diff --git a/compiler/cgen.v b/compiler/cgen.v index d02530f570..a946a4c843 100644 --- a/compiler/cgen.v +++ b/compiler/cgen.v @@ -40,6 +40,7 @@ fn new_cgen(out_name_c string) *CGen { gen := &CGen { out_path: path out: out + lines: _make(0, 1000, sizeof(string)) } return gen } @@ -220,3 +221,24 @@ fn (g mut CGen) add_to_main(s string) { g.fn_main = g.fn_main + s } + +fn build_thirdparty_obj_file(flag string) { + obj_path := flag.all_after(' ') + if os.file_exists(obj_path) { + return + } + println('$obj_path not found, building it...') + parent := obj_path.all_before_last('/').trim_space() + files := os.ls(parent) + //files := os.ls(parent).filter(_.ends_with('.c')) TODO + mut cfiles := '' + for file in files { + if file.ends_with('.c') { + cfiles += parent + '/' + file + ' ' + } + } + cc := if os.user_os() == 'windows' { 'gcc' } else { 'cc' } // TODO clang support on Windows + res := os.exec('$cc -c -o $obj_path $cfiles') + println(res) +} + diff --git a/compiler/fn.v b/compiler/fn.v index e662d9dcd6..2134094d2b 100644 --- a/compiler/fn.v +++ b/compiler/fn.v @@ -244,11 +244,9 @@ fn (p mut Parser) fn_decl() { typ = p.get_type() } // Translated C code can have empty functions (just definitions) - is_fn_header := !is_c && !is_sig && (p.pref.translated || p.pref.is_test) && - (p.tok != .lcbr)// || (p.tok == .name && p.peek() != .lcbr)) + is_fn_header := !is_c && !is_sig && (p.pref.translated || p.pref.is_test) && p.tok != .lcbr if is_fn_header { f.is_decl = true - // println('.key_goT fn header $f.name') } // { required only in normal function declarations if !is_c && !is_sig && !is_fn_header { diff --git a/compiler/main.v b/compiler/main.v index 0ab80ff056..214a4fb67b 100644 --- a/compiler/main.v +++ b/compiler/main.v @@ -247,7 +247,7 @@ void init_consts();') // Embed cjson either in embedvlib or in json.o if imports_json && v.pref.build_mode == .embed_vlib || (v.pref.build_mode == .build && v.out_name.contains('json.o')) { - cgen.genln('#include "cJSON.c" ') + //cgen.genln('#include "cJSON.c" ') } // We need the cjson header for all the json decoding user will do in default mode if v.pref.build_mode == .default_mode { @@ -522,7 +522,7 @@ fn (v mut V) cc() { } linux_host := os.user_os() == 'linux' v.log('cc() isprod=$v.pref.is_prod outname=$v.out_name') - mut a := ['-w', '-march=native']// arguments for the C compiler + mut a := ['-w'] // arguments for the C compiler flags := v.table.flags.join(' ') //mut shared := '' if v.pref.is_so { diff --git a/compiler/parser.v b/compiler/parser.v index ee6c870d30..619d003068 100644 --- a/compiler/parser.v +++ b/compiler/parser.v @@ -356,7 +356,7 @@ fn (p mut Parser) const_decl() { // cur_line has const's value right now. if it's just a number, then optimize generation: // output a #define so that we don't pollute the binary with unnecessary global vars if is_compile_time_const(p.cgen.cur_line) { - p.cgen.consts << '#define $name $p.cgen.cur_line' + p.cgen.consts << '#define $name $p.cgen.cur_line' p.cgen.cur_line = '' p.fgenln('') continue @@ -464,7 +464,7 @@ fn (p mut Parser) struct_decl() { if !is_c { kind := if is_union{'union'} else { 'struct'} p.gen_typedef('typedef $kind $name $name;') - p.gen_type('$kind /*kind*/ $name {') + p.gen_type('$kind $name {') } } // V used to have 'type Foo struct', many Go users might use this syntax @@ -591,7 +591,7 @@ fn (p mut Parser) enum_decl(_enum_name string) { } // Skip empty enums if enum_name != 'int' { - p.cgen.typedefs << 'typedef int $enum_name ;\n' + p.cgen.typedefs << 'typedef int $enum_name;' } p.check(.lcbr) mut val := 0 @@ -602,7 +602,7 @@ fn (p mut Parser) enum_decl(_enum_name string) { name := '${p.mod}__${enum_name}_$field' p.fgenln('') if p.run == .main { - p.cgen.consts << '#define $name $val \n' + p.cgen.consts << '#define $name $val' } if p.tok == .comma { p.next() @@ -2046,7 +2046,8 @@ fn (p mut Parser) factor() string { p.next() return 'T' case Token.lpar: - p.gen('(/*lpar*/') + //p.gen('(/*lpar*/') + p.gen('(') p.check(.lpar) typ = p.bool_expression() // Hack. If this `)` referes to a ptr cast `(*int__)__`, it was already checked @@ -2686,13 +2687,17 @@ fn (p mut Parser) chash() { pos := flag.index(' ') flag = flag.right(pos) } + has_vroot := flag.contains('@VROOT') flag = flag.trim_space().replace('@VROOT', p.vroot) if p.table.flags.contains(flag) { return } p.log('adding flag "$flag"') - p.table.flags << flag// .all_after(' ')) - // } + // `@VROOT/thirdparty/glad/glad.o`, make sure it exists, otherwise build it + if has_vroot && flag.contains('.o') { + build_thirdparty_obj_file(flag) + } + p.table.flags << flag return } if hash.starts_with('include') { @@ -2745,7 +2750,6 @@ fn (p mut Parser) if_st(is_expr bool) string { } else { p.genln(') {') - p.genln('/*if*/') } p.fgen(' ') p.check(.lcbr) @@ -2775,7 +2779,6 @@ fn (p mut Parser) if_st(is_expr bool) string { } else { p.genln(' else { ') - p.genln('/*else if*/') } p.check(.lcbr) // statements() returns the type of the last statement @@ -2957,6 +2960,7 @@ fn (p mut Parser) for_st() { } p.fspace() p.check(.lcbr) + p.genln('') p.statements() p.cur_fn.close_scope() p.for_expr_cnt-- diff --git a/thirdparty/glad/glad.c b/thirdparty/glad/glad.c index 43041f386b..c410a0994b 100644 --- a/thirdparty/glad/glad.c +++ b/thirdparty/glad/glad.c @@ -21,6 +21,7 @@ #include #include #include +#include "glad.h" //#include static void* get_proc(const char *namez); diff --git a/thirdparty/glfw/GLFW/glfw3.h b/thirdparty/glfw/GLFW/glfw3.h new file mode 100644 index 0000000000..0521d19801 --- /dev/null +++ b/thirdparty/glfw/GLFW/glfw3.h @@ -0,0 +1,5637 @@ +/************************************************************************* + * GLFW 3.3 - www.glfw.org + * A library for OpenGL, window and input + *------------------------------------------------------------------------ + * Copyright (c) 2002-2006 Marcus Geelnard + * Copyright (c) 2006-2019 Camilla Löwy + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would + * be appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not + * be misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + *************************************************************************/ + +#ifndef _glfw3_h_ +#define _glfw3_h_ + +#ifdef __cplusplus +extern "C" { +#endif + + +/************************************************************************* + * Doxygen documentation + *************************************************************************/ + +/*! @file glfw3.h + * @brief The header of the GLFW 3 API. + * + * This is the header file of the GLFW 3 API. It defines all its types and + * declares all its functions. + * + * For more information about how to use this file, see @ref build_include. + */ +/*! @defgroup context Context reference + * @brief Functions and types related to OpenGL and OpenGL ES contexts. + * + * This is the reference documentation for OpenGL and OpenGL ES context related + * functions. For more task-oriented information, see the @ref context_guide. + */ +/*! @defgroup vulkan Vulkan reference + * @brief Functions and types related to Vulkan. + * + * This is the reference documentation for Vulkan related functions and types. + * For more task-oriented information, see the @ref vulkan_guide. + */ +/*! @defgroup init Initialization, version and error reference + * @brief Functions and types related to initialization and error handling. + * + * This is the reference documentation for initialization and termination of + * the library, version management and error handling. For more task-oriented + * information, see the @ref intro_guide. + */ +/*! @defgroup input Input reference + * @brief Functions and types related to input handling. + * + * This is the reference documentation for input related functions and types. + * For more task-oriented information, see the @ref input_guide. + */ +/*! @defgroup monitor Monitor reference + * @brief Functions and types related to monitors. + * + * This is the reference documentation for monitor related functions and types. + * For more task-oriented information, see the @ref monitor_guide. + */ +/*! @defgroup window Window reference + * @brief Functions and types related to windows. + * + * This is the reference documentation for window related functions and types, + * including creation, deletion and event polling. For more task-oriented + * information, see the @ref window_guide. + */ + + +/************************************************************************* + * Compiler- and platform-specific preprocessor work + *************************************************************************/ + +/* If we are we on Windows, we want a single define for it. + */ +#if !defined(_WIN32) && (defined(__WIN32__) || defined(WIN32) || defined(__MINGW32__)) + #define _WIN32 +#endif /* _WIN32 */ + +/* It is customary to use APIENTRY for OpenGL function pointer declarations on + * all platforms. Additionally, the Windows OpenGL header needs APIENTRY. + */ +#ifndef APIENTRY + #ifdef _WIN32 + #define APIENTRY __stdcall + #else + #define APIENTRY + #endif + #define GLFW_APIENTRY_DEFINED +#endif /* APIENTRY */ + +/* Some Windows OpenGL headers need this. + */ +#if !defined(WINGDIAPI) && defined(_WIN32) + #define WINGDIAPI __declspec(dllimport) + #define GLFW_WINGDIAPI_DEFINED +#endif /* WINGDIAPI */ + +/* Some Windows GLU headers need this. + */ +#if !defined(CALLBACK) && defined(_WIN32) + #define CALLBACK __stdcall + #define GLFW_CALLBACK_DEFINED +#endif /* CALLBACK */ + +/* Include because most Windows GLU headers need wchar_t and + * the macOS OpenGL header blocks the definition of ptrdiff_t by glext.h. + * Include it unconditionally to avoid surprising side-effects. + */ +#include + +/* Include because it is needed by Vulkan and related functions. + * Include it unconditionally to avoid surprising side-effects. + */ +#include + +/* Include the chosen OpenGL or OpenGL ES headers. + */ +#if defined(GLFW_INCLUDE_ES1) + + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif + +#elif defined(GLFW_INCLUDE_ES2) + + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif + +#elif defined(GLFW_INCLUDE_ES3) + + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif + +#elif defined(GLFW_INCLUDE_ES31) + + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif + +#elif defined(GLFW_INCLUDE_ES32) + + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif + +#elif defined(GLFW_INCLUDE_GLCOREARB) + + #if defined(__APPLE__) + + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif /*GLFW_INCLUDE_GLEXT*/ + + #else /*__APPLE__*/ + + #include + + #endif /*__APPLE__*/ + +#elif !defined(GLFW_INCLUDE_NONE) + + #if defined(__APPLE__) + + #if !defined(GLFW_INCLUDE_GLEXT) + #define GL_GLEXT_LEGACY + #endif + #include + #if defined(GLFW_INCLUDE_GLU) + #include + #endif + + #else /*__APPLE__*/ + + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif + #if defined(GLFW_INCLUDE_GLU) + #include + #endif + + #endif /*__APPLE__*/ + +#endif /* OpenGL and OpenGL ES headers */ + +#if defined(GLFW_INCLUDE_VULKAN) + #include +#endif /* Vulkan header */ + +#if defined(GLFW_DLL) && defined(_GLFW_BUILD_DLL) + /* GLFW_DLL must be defined by applications that are linking against the DLL + * version of the GLFW library. _GLFW_BUILD_DLL is defined by the GLFW + * configuration header when compiling the DLL version of the library. + */ + #error "You must not have both GLFW_DLL and _GLFW_BUILD_DLL defined" +#endif + +/* GLFWAPI is used to declare public API functions for export + * from the DLL / shared library / dynamic library. + */ +#if defined(_WIN32) && defined(_GLFW_BUILD_DLL) + /* We are building GLFW as a Win32 DLL */ + #define GLFWAPI __declspec(dllexport) +#elif defined(_WIN32) && defined(GLFW_DLL) + /* We are calling GLFW as a Win32 DLL */ + #define GLFWAPI __declspec(dllimport) +#elif defined(__GNUC__) && defined(_GLFW_BUILD_DLL) + /* We are building GLFW as a shared / dynamic library */ + #define GLFWAPI __attribute__((visibility("default"))) +#else + /* We are building or calling GLFW as a static library */ + #define GLFWAPI +#endif + + +/************************************************************************* + * GLFW API tokens + *************************************************************************/ + +/*! @name GLFW version macros + * @{ */ +/*! @brief The major version number of the GLFW library. + * + * This is incremented when the API is changed in non-compatible ways. + * @ingroup init + */ +#define GLFW_VERSION_MAJOR 3 +/*! @brief The minor version number of the GLFW library. + * + * This is incremented when features are added to the API but it remains + * backward-compatible. + * @ingroup init + */ +#define GLFW_VERSION_MINOR 3 +/*! @brief The revision number of the GLFW library. + * + * This is incremented when a bug fix release is made that does not contain any + * API changes. + * @ingroup init + */ +#define GLFW_VERSION_REVISION 0 +/*! @} */ + +/*! @brief One. + * + * This is only semantic sugar for the number 1. You can instead use `1` or + * `true` or `_True` or `GL_TRUE` or `VK_TRUE` or anything else that is equal + * to one. + * + * @ingroup init + */ +#define GLFW_TRUE 1 +/*! @brief Zero. + * + * This is only semantic sugar for the number 0. You can instead use `0` or + * `false` or `_False` or `GL_FALSE` or `VK_FALSE` or anything else that is + * equal to zero. + * + * @ingroup init + */ +#define GLFW_FALSE 0 + +/*! @name Key and button actions + * @{ */ +/*! @brief The key or mouse button was released. + * + * The key or mouse button was released. + * + * @ingroup input + */ +#define GLFW_RELEASE 0 +/*! @brief The key or mouse button was pressed. + * + * The key or mouse button was pressed. + * + * @ingroup input + */ +#define GLFW_PRESS 1 +/*! @brief The key was held down until it repeated. + * + * The key was held down until it repeated. + * + * @ingroup input + */ +#define GLFW_REPEAT 2 +/*! @} */ + +/*! @defgroup hat_state Joystick hat states + * @brief Joystick hat states. + * + * See [joystick hat input](@ref joystick_hat) for how these are used. + * + * @ingroup input + * @{ */ +#define GLFW_HAT_CENTERED 0 +#define GLFW_HAT_UP 1 +#define GLFW_HAT_RIGHT 2 +#define GLFW_HAT_DOWN 4 +#define GLFW_HAT_LEFT 8 +#define GLFW_HAT_RIGHT_UP (GLFW_HAT_RIGHT | GLFW_HAT_UP) +#define GLFW_HAT_RIGHT_DOWN (GLFW_HAT_RIGHT | GLFW_HAT_DOWN) +#define GLFW_HAT_LEFT_UP (GLFW_HAT_LEFT | GLFW_HAT_UP) +#define GLFW_HAT_LEFT_DOWN (GLFW_HAT_LEFT | GLFW_HAT_DOWN) +/*! @} */ + +/*! @defgroup keys Keyboard keys + * @brief Keyboard key IDs. + * + * See [key input](@ref input_key) for how these are used. + * + * These key codes are inspired by the _USB HID Usage Tables v1.12_ (p. 53-60), + * but re-arranged to map to 7-bit ASCII for printable keys (function keys are + * put in the 256+ range). + * + * The naming of the key codes follow these rules: + * - The US keyboard layout is used + * - Names of printable alpha-numeric characters are used (e.g. "A", "R", + * "3", etc.) + * - For non-alphanumeric characters, Unicode:ish names are used (e.g. + * "COMMA", "LEFT_SQUARE_BRACKET", etc.). Note that some names do not + * correspond to the Unicode standard (usually for brevity) + * - Keys that lack a clear US mapping are named "WORLD_x" + * - For non-printable keys, custom names are used (e.g. "F4", + * "BACKSPACE", etc.) + * + * @ingroup input + * @{ + */ + +/* The unknown key */ +#define GLFW_KEY_UNKNOWN -1 + +/* Printable keys */ +#define GLFW_KEY_SPACE 32 +#define GLFW_KEY_APOSTROPHE 39 /* ' */ +#define GLFW_KEY_COMMA 44 /* , */ +#define GLFW_KEY_MINUS 45 /* - */ +#define GLFW_KEY_PERIOD 46 /* . */ +#define GLFW_KEY_SLASH 47 /* / */ +#define GLFW_KEY_0 48 +#define GLFW_KEY_1 49 +#define GLFW_KEY_2 50 +#define GLFW_KEY_3 51 +#define GLFW_KEY_4 52 +#define GLFW_KEY_5 53 +#define GLFW_KEY_6 54 +#define GLFW_KEY_7 55 +#define GLFW_KEY_8 56 +#define GLFW_KEY_9 57 +#define GLFW_KEY_SEMICOLON 59 /* ; */ +#define GLFW_KEY_EQUAL 61 /* = */ +#define GLFW_KEY_A 65 +#define GLFW_KEY_B 66 +#define GLFW_KEY_C 67 +#define GLFW_KEY_D 68 +#define GLFW_KEY_E 69 +#define GLFW_KEY_F 70 +#define GLFW_KEY_G 71 +#define GLFW_KEY_H 72 +#define GLFW_KEY_I 73 +#define GLFW_KEY_J 74 +#define GLFW_KEY_K 75 +#define GLFW_KEY_L 76 +#define GLFW_KEY_M 77 +#define GLFW_KEY_N 78 +#define GLFW_KEY_O 79 +#define GLFW_KEY_P 80 +#define GLFW_KEY_Q 81 +#define GLFW_KEY_R 82 +#define GLFW_KEY_S 83 +#define GLFW_KEY_T 84 +#define GLFW_KEY_U 85 +#define GLFW_KEY_V 86 +#define GLFW_KEY_W 87 +#define GLFW_KEY_X 88 +#define GLFW_KEY_Y 89 +#define GLFW_KEY_Z 90 +#define GLFW_KEY_LEFT_BRACKET 91 /* [ */ +#define GLFW_KEY_BACKSLASH 92 /* \ */ +#define GLFW_KEY_RIGHT_BRACKET 93 /* ] */ +#define GLFW_KEY_GRAVE_ACCENT 96 /* ` */ +#define GLFW_KEY_WORLD_1 161 /* non-US #1 */ +#define GLFW_KEY_WORLD_2 162 /* non-US #2 */ + +/* Function keys */ +#define GLFW_KEY_ESCAPE 256 +#define GLFW_KEY_ENTER 257 +#define GLFW_KEY_TAB 258 +#define GLFW_KEY_BACKSPACE 259 +#define GLFW_KEY_INSERT 260 +#define GLFW_KEY_DELETE 261 +#define GLFW_KEY_RIGHT 262 +#define GLFW_KEY_LEFT 263 +#define GLFW_KEY_DOWN 264 +#define GLFW_KEY_UP 265 +#define GLFW_KEY_PAGE_UP 266 +#define GLFW_KEY_PAGE_DOWN 267 +#define GLFW_KEY_HOME 268 +#define GLFW_KEY_END 269 +#define GLFW_KEY_CAPS_LOCK 280 +#define GLFW_KEY_SCROLL_LOCK 281 +#define GLFW_KEY_NUM_LOCK 282 +#define GLFW_KEY_PRINT_SCREEN 283 +#define GLFW_KEY_PAUSE 284 +#define GLFW_KEY_F1 290 +#define GLFW_KEY_F2 291 +#define GLFW_KEY_F3 292 +#define GLFW_KEY_F4 293 +#define GLFW_KEY_F5 294 +#define GLFW_KEY_F6 295 +#define GLFW_KEY_F7 296 +#define GLFW_KEY_F8 297 +#define GLFW_KEY_F9 298 +#define GLFW_KEY_F10 299 +#define GLFW_KEY_F11 300 +#define GLFW_KEY_F12 301 +#define GLFW_KEY_F13 302 +#define GLFW_KEY_F14 303 +#define GLFW_KEY_F15 304 +#define GLFW_KEY_F16 305 +#define GLFW_KEY_F17 306 +#define GLFW_KEY_F18 307 +#define GLFW_KEY_F19 308 +#define GLFW_KEY_F20 309 +#define GLFW_KEY_F21 310 +#define GLFW_KEY_F22 311 +#define GLFW_KEY_F23 312 +#define GLFW_KEY_F24 313 +#define GLFW_KEY_F25 314 +#define GLFW_KEY_KP_0 320 +#define GLFW_KEY_KP_1 321 +#define GLFW_KEY_KP_2 322 +#define GLFW_KEY_KP_3 323 +#define GLFW_KEY_KP_4 324 +#define GLFW_KEY_KP_5 325 +#define GLFW_KEY_KP_6 326 +#define GLFW_KEY_KP_7 327 +#define GLFW_KEY_KP_8 328 +#define GLFW_KEY_KP_9 329 +#define GLFW_KEY_KP_DECIMAL 330 +#define GLFW_KEY_KP_DIVIDE 331 +#define GLFW_KEY_KP_MULTIPLY 332 +#define GLFW_KEY_KP_SUBTRACT 333 +#define GLFW_KEY_KP_ADD 334 +#define GLFW_KEY_KP_ENTER 335 +#define GLFW_KEY_KP_EQUAL 336 +#define GLFW_KEY_LEFT_SHIFT 340 +#define GLFW_KEY_LEFT_CONTROL 341 +#define GLFW_KEY_LEFT_ALT 342 +#define GLFW_KEY_LEFT_SUPER 343 +#define GLFW_KEY_RIGHT_SHIFT 344 +#define GLFW_KEY_RIGHT_CONTROL 345 +#define GLFW_KEY_RIGHT_ALT 346 +#define GLFW_KEY_RIGHT_SUPER 347 +#define GLFW_KEY_MENU 348 + +#define GLFW_KEY_LAST GLFW_KEY_MENU + +/*! @} */ + +/*! @defgroup mods Modifier key flags + * @brief Modifier key flags. + * + * See [key input](@ref input_key) for how these are used. + * + * @ingroup input + * @{ */ + +/*! @brief If this bit is set one or more Shift keys were held down. + * + * If this bit is set one or more Shift keys were held down. + */ +#define GLFW_MOD_SHIFT 0x0001 +/*! @brief If this bit is set one or more Control keys were held down. + * + * If this bit is set one or more Control keys were held down. + */ +#define GLFW_MOD_CONTROL 0x0002 +/*! @brief If this bit is set one or more Alt keys were held down. + * + * If this bit is set one or more Alt keys were held down. + */ +#define GLFW_MOD_ALT 0x0004 +/*! @brief If this bit is set one or more Super keys were held down. + * + * If this bit is set one or more Super keys were held down. + */ +#define GLFW_MOD_SUPER 0x0008 +/*! @brief If this bit is set the Caps Lock key is enabled. + * + * If this bit is set the Caps Lock key is enabled and the @ref + * GLFW_LOCK_KEY_MODS input mode is set. + */ +#define GLFW_MOD_CAPS_LOCK 0x0010 +/*! @brief If this bit is set the Num Lock key is enabled. + * + * If this bit is set the Num Lock key is enabled and the @ref + * GLFW_LOCK_KEY_MODS input mode is set. + */ +#define GLFW_MOD_NUM_LOCK 0x0020 + +/*! @} */ + +/*! @defgroup buttons Mouse buttons + * @brief Mouse button IDs. + * + * See [mouse button input](@ref input_mouse_button) for how these are used. + * + * @ingroup input + * @{ */ +#define GLFW_MOUSE_BUTTON_1 0 +#define GLFW_MOUSE_BUTTON_2 1 +#define GLFW_MOUSE_BUTTON_3 2 +#define GLFW_MOUSE_BUTTON_4 3 +#define GLFW_MOUSE_BUTTON_5 4 +#define GLFW_MOUSE_BUTTON_6 5 +#define GLFW_MOUSE_BUTTON_7 6 +#define GLFW_MOUSE_BUTTON_8 7 +#define GLFW_MOUSE_BUTTON_LAST GLFW_MOUSE_BUTTON_8 +#define GLFW_MOUSE_BUTTON_LEFT GLFW_MOUSE_BUTTON_1 +#define GLFW_MOUSE_BUTTON_RIGHT GLFW_MOUSE_BUTTON_2 +#define GLFW_MOUSE_BUTTON_MIDDLE GLFW_MOUSE_BUTTON_3 +/*! @} */ + +/*! @defgroup joysticks Joysticks + * @brief Joystick IDs. + * + * See [joystick input](@ref joystick) for how these are used. + * + * @ingroup input + * @{ */ +#define GLFW_JOYSTICK_1 0 +#define GLFW_JOYSTICK_2 1 +#define GLFW_JOYSTICK_3 2 +#define GLFW_JOYSTICK_4 3 +#define GLFW_JOYSTICK_5 4 +#define GLFW_JOYSTICK_6 5 +#define GLFW_JOYSTICK_7 6 +#define GLFW_JOYSTICK_8 7 +#define GLFW_JOYSTICK_9 8 +#define GLFW_JOYSTICK_10 9 +#define GLFW_JOYSTICK_11 10 +#define GLFW_JOYSTICK_12 11 +#define GLFW_JOYSTICK_13 12 +#define GLFW_JOYSTICK_14 13 +#define GLFW_JOYSTICK_15 14 +#define GLFW_JOYSTICK_16 15 +#define GLFW_JOYSTICK_LAST GLFW_JOYSTICK_16 +/*! @} */ + +/*! @defgroup gamepad_buttons Gamepad buttons + * @brief Gamepad buttons. + * + * See @ref gamepad for how these are used. + * + * @ingroup input + * @{ */ +#define GLFW_GAMEPAD_BUTTON_A 0 +#define GLFW_GAMEPAD_BUTTON_B 1 +#define GLFW_GAMEPAD_BUTTON_X 2 +#define GLFW_GAMEPAD_BUTTON_Y 3 +#define GLFW_GAMEPAD_BUTTON_LEFT_BUMPER 4 +#define GLFW_GAMEPAD_BUTTON_RIGHT_BUMPER 5 +#define GLFW_GAMEPAD_BUTTON_BACK 6 +#define GLFW_GAMEPAD_BUTTON_START 7 +#define GLFW_GAMEPAD_BUTTON_GUIDE 8 +#define GLFW_GAMEPAD_BUTTON_LEFT_THUMB 9 +#define GLFW_GAMEPAD_BUTTON_RIGHT_THUMB 10 +#define GLFW_GAMEPAD_BUTTON_DPAD_UP 11 +#define GLFW_GAMEPAD_BUTTON_DPAD_RIGHT 12 +#define GLFW_GAMEPAD_BUTTON_DPAD_DOWN 13 +#define GLFW_GAMEPAD_BUTTON_DPAD_LEFT 14 +#define GLFW_GAMEPAD_BUTTON_LAST GLFW_GAMEPAD_BUTTON_DPAD_LEFT + +#define GLFW_GAMEPAD_BUTTON_CROSS GLFW_GAMEPAD_BUTTON_A +#define GLFW_GAMEPAD_BUTTON_CIRCLE GLFW_GAMEPAD_BUTTON_B +#define GLFW_GAMEPAD_BUTTON_SQUARE GLFW_GAMEPAD_BUTTON_X +#define GLFW_GAMEPAD_BUTTON_TRIANGLE GLFW_GAMEPAD_BUTTON_Y +/*! @} */ + +/*! @defgroup gamepad_axes Gamepad axes + * @brief Gamepad axes. + * + * See @ref gamepad for how these are used. + * + * @ingroup input + * @{ */ +#define GLFW_GAMEPAD_AXIS_LEFT_X 0 +#define GLFW_GAMEPAD_AXIS_LEFT_Y 1 +#define GLFW_GAMEPAD_AXIS_RIGHT_X 2 +#define GLFW_GAMEPAD_AXIS_RIGHT_Y 3 +#define GLFW_GAMEPAD_AXIS_LEFT_TRIGGER 4 +#define GLFW_GAMEPAD_AXIS_RIGHT_TRIGGER 5 +#define GLFW_GAMEPAD_AXIS_LAST GLFW_GAMEPAD_AXIS_RIGHT_TRIGGER +/*! @} */ + +/*! @defgroup errors Error codes + * @brief Error codes. + * + * See [error handling](@ref error_handling) for how these are used. + * + * @ingroup init + * @{ */ +/*! @brief No error has occurred. + * + * No error has occurred. + * + * @analysis Yay. + */ +#define GLFW_NO_ERROR 0 +/*! @brief GLFW has not been initialized. + * + * This occurs if a GLFW function was called that must not be called unless the + * library is [initialized](@ref intro_init). + * + * @analysis Application programmer error. Initialize GLFW before calling any + * function that requires initialization. + */ +#define GLFW_NOT_INITIALIZED 0x00010001 +/*! @brief No context is current for this thread. + * + * This occurs if a GLFW function was called that needs and operates on the + * current OpenGL or OpenGL ES context but no context is current on the calling + * thread. One such function is @ref glfwSwapInterval. + * + * @analysis Application programmer error. Ensure a context is current before + * calling functions that require a current context. + */ +#define GLFW_NO_CURRENT_CONTEXT 0x00010002 +/*! @brief One of the arguments to the function was an invalid enum value. + * + * One of the arguments to the function was an invalid enum value, for example + * requesting @ref GLFW_RED_BITS with @ref glfwGetWindowAttrib. + * + * @analysis Application programmer error. Fix the offending call. + */ +#define GLFW_INVALID_ENUM 0x00010003 +/*! @brief One of the arguments to the function was an invalid value. + * + * One of the arguments to the function was an invalid value, for example + * requesting a non-existent OpenGL or OpenGL ES version like 2.7. + * + * Requesting a valid but unavailable OpenGL or OpenGL ES version will instead + * result in a @ref GLFW_VERSION_UNAVAILABLE error. + * + * @analysis Application programmer error. Fix the offending call. + */ +#define GLFW_INVALID_VALUE 0x00010004 +/*! @brief A memory allocation failed. + * + * A memory allocation failed. + * + * @analysis A bug in GLFW or the underlying operating system. Report the bug + * to our [issue tracker](https://github.com/glfw/glfw/issues). + */ +#define GLFW_OUT_OF_MEMORY 0x00010005 +/*! @brief GLFW could not find support for the requested API on the system. + * + * GLFW could not find support for the requested API on the system. + * + * @analysis The installed graphics driver does not support the requested + * API, or does not support it via the chosen context creation backend. + * Below are a few examples. + * + * @par + * Some pre-installed Windows graphics drivers do not support OpenGL. AMD only + * supports OpenGL ES via EGL, while Nvidia and Intel only support it via + * a WGL or GLX extension. macOS does not provide OpenGL ES at all. The Mesa + * EGL, OpenGL and OpenGL ES libraries do not interface with the Nvidia binary + * driver. Older graphics drivers do not support Vulkan. + */ +#define GLFW_API_UNAVAILABLE 0x00010006 +/*! @brief The requested OpenGL or OpenGL ES version is not available. + * + * The requested OpenGL or OpenGL ES version (including any requested context + * or framebuffer hints) is not available on this machine. + * + * @analysis The machine does not support your requirements. If your + * application is sufficiently flexible, downgrade your requirements and try + * again. Otherwise, inform the user that their machine does not match your + * requirements. + * + * @par + * Future invalid OpenGL and OpenGL ES versions, for example OpenGL 4.8 if 5.0 + * comes out before the 4.x series gets that far, also fail with this error and + * not @ref GLFW_INVALID_VALUE, because GLFW cannot know what future versions + * will exist. + */ +#define GLFW_VERSION_UNAVAILABLE 0x00010007 +/*! @brief A platform-specific error occurred that does not match any of the + * more specific categories. + * + * A platform-specific error occurred that does not match any of the more + * specific categories. + * + * @analysis A bug or configuration error in GLFW, the underlying operating + * system or its drivers, or a lack of required resources. Report the issue to + * our [issue tracker](https://github.com/glfw/glfw/issues). + */ +#define GLFW_PLATFORM_ERROR 0x00010008 +/*! @brief The requested format is not supported or available. + * + * If emitted during window creation, the requested pixel format is not + * supported. + * + * If emitted when querying the clipboard, the contents of the clipboard could + * not be converted to the requested format. + * + * @analysis If emitted during window creation, one or more + * [hard constraints](@ref window_hints_hard) did not match any of the + * available pixel formats. If your application is sufficiently flexible, + * downgrade your requirements and try again. Otherwise, inform the user that + * their machine does not match your requirements. + * + * @par + * If emitted when querying the clipboard, ignore the error or report it to + * the user, as appropriate. + */ +#define GLFW_FORMAT_UNAVAILABLE 0x00010009 +/*! @brief The specified window does not have an OpenGL or OpenGL ES context. + * + * A window that does not have an OpenGL or OpenGL ES context was passed to + * a function that requires it to have one. + * + * @analysis Application programmer error. Fix the offending call. + */ +#define GLFW_NO_WINDOW_CONTEXT 0x0001000A +/*! @} */ + +/*! @addtogroup window + * @{ */ +/*! @brief Input focus window hint and attribute + * + * Input focus [window hint](@ref GLFW_FOCUSED_hint) or + * [window attribute](@ref GLFW_FOCUSED_attrib). + */ +#define GLFW_FOCUSED 0x00020001 +/*! @brief Window iconification window attribute + * + * Window iconification [window attribute](@ref GLFW_ICONIFIED_attrib). + */ +#define GLFW_ICONIFIED 0x00020002 +/*! @brief Window resize-ability window hint and attribute + * + * Window resize-ability [window hint](@ref GLFW_RESIZABLE_hint) and + * [window attribute](@ref GLFW_RESIZABLE_attrib). + */ +#define GLFW_RESIZABLE 0x00020003 +/*! @brief Window visibility window hint and attribute + * + * Window visibility [window hint](@ref GLFW_VISIBLE_hint) and + * [window attribute](@ref GLFW_VISIBLE_attrib). + */ +#define GLFW_VISIBLE 0x00020004 +/*! @brief Window decoration window hint and attribute + * + * Window decoration [window hint](@ref GLFW_DECORATED_hint) and + * [window attribute](@ref GLFW_DECORATED_attrib). + */ +#define GLFW_DECORATED 0x00020005 +/*! @brief Window auto-iconification window hint and attribute + * + * Window auto-iconification [window hint](@ref GLFW_AUTO_ICONIFY_hint) and + * [window attribute](@ref GLFW_AUTO_ICONIFY_attrib). + */ +#define GLFW_AUTO_ICONIFY 0x00020006 +/*! @brief Window decoration window hint and attribute + * + * Window decoration [window hint](@ref GLFW_FLOATING_hint) and + * [window attribute](@ref GLFW_FLOATING_attrib). + */ +#define GLFW_FLOATING 0x00020007 +/*! @brief Window maximization window hint and attribute + * + * Window maximization [window hint](@ref GLFW_MAXIMIZED_hint) and + * [window attribute](@ref GLFW_MAXIMIZED_attrib). + */ +#define GLFW_MAXIMIZED 0x00020008 +/*! @brief Cursor centering window hint + * + * Cursor centering [window hint](@ref GLFW_CENTER_CURSOR_hint). + */ +#define GLFW_CENTER_CURSOR 0x00020009 +/*! @brief Window framebuffer transparency hint and attribute + * + * Window framebuffer transparency + * [window hint](@ref GLFW_TRANSPARENT_FRAMEBUFFER_hint) and + * [window attribute](@ref GLFW_TRANSPARENT_FRAMEBUFFER_attrib). + */ +#define GLFW_TRANSPARENT_FRAMEBUFFER 0x0002000A +/*! @brief Mouse cursor hover window attribute. + * + * Mouse cursor hover [window attribute](@ref GLFW_HOVERED_attrib). + */ +#define GLFW_HOVERED 0x0002000B +/*! @brief Input focus on calling show window hint and attribute + * + * Input focus [window hint](@ref GLFW_FOCUS_ON_SHOW_hint) or + * [window attribute](@ref GLFW_FOCUS_ON_SHOW_attrib). + */ +#define GLFW_FOCUS_ON_SHOW 0x0002000C + +/*! @brief Framebuffer bit depth hint. + * + * Framebuffer bit depth [hint](@ref GLFW_RED_BITS). + */ +#define GLFW_RED_BITS 0x00021001 +/*! @brief Framebuffer bit depth hint. + * + * Framebuffer bit depth [hint](@ref GLFW_GREEN_BITS). + */ +#define GLFW_GREEN_BITS 0x00021002 +/*! @brief Framebuffer bit depth hint. + * + * Framebuffer bit depth [hint](@ref GLFW_BLUE_BITS). + */ +#define GLFW_BLUE_BITS 0x00021003 +/*! @brief Framebuffer bit depth hint. + * + * Framebuffer bit depth [hint](@ref GLFW_ALPHA_BITS). + */ +#define GLFW_ALPHA_BITS 0x00021004 +/*! @brief Framebuffer bit depth hint. + * + * Framebuffer bit depth [hint](@ref GLFW_DEPTH_BITS). + */ +#define GLFW_DEPTH_BITS 0x00021005 +/*! @brief Framebuffer bit depth hint. + * + * Framebuffer bit depth [hint](@ref GLFW_STENCIL_BITS). + */ +#define GLFW_STENCIL_BITS 0x00021006 +/*! @brief Framebuffer bit depth hint. + * + * Framebuffer bit depth [hint](@ref GLFW_ACCUM_RED_BITS). + */ +#define GLFW_ACCUM_RED_BITS 0x00021007 +/*! @brief Framebuffer bit depth hint. + * + * Framebuffer bit depth [hint](@ref GLFW_ACCUM_GREEN_BITS). + */ +#define GLFW_ACCUM_GREEN_BITS 0x00021008 +/*! @brief Framebuffer bit depth hint. + * + * Framebuffer bit depth [hint](@ref GLFW_ACCUM_BLUE_BITS). + */ +#define GLFW_ACCUM_BLUE_BITS 0x00021009 +/*! @brief Framebuffer bit depth hint. + * + * Framebuffer bit depth [hint](@ref GLFW_ACCUM_ALPHA_BITS). + */ +#define GLFW_ACCUM_ALPHA_BITS 0x0002100A +/*! @brief Framebuffer auxiliary buffer hint. + * + * Framebuffer auxiliary buffer [hint](@ref GLFW_AUX_BUFFERS). + */ +#define GLFW_AUX_BUFFERS 0x0002100B +/*! @brief OpenGL stereoscopic rendering hint. + * + * OpenGL stereoscopic rendering [hint](@ref GLFW_STEREO). + */ +#define GLFW_STEREO 0x0002100C +/*! @brief Framebuffer MSAA samples hint. + * + * Framebuffer MSAA samples [hint](@ref GLFW_SAMPLES). + */ +#define GLFW_SAMPLES 0x0002100D +/*! @brief Framebuffer sRGB hint. + * + * Framebuffer sRGB [hint](@ref GLFW_SRGB_CAPABLE). + */ +#define GLFW_SRGB_CAPABLE 0x0002100E +/*! @brief Monitor refresh rate hint. + * + * Monitor refresh rate [hint](@ref GLFW_REFRESH_RATE). + */ +#define GLFW_REFRESH_RATE 0x0002100F +/*! @brief Framebuffer double buffering hint. + * + * Framebuffer double buffering [hint](@ref GLFW_DOUBLEBUFFER). + */ +#define GLFW_DOUBLEBUFFER 0x00021010 + +/*! @brief Context client API hint and attribute. + * + * Context client API [hint](@ref GLFW_CLIENT_API_hint) and + * [attribute](@ref GLFW_CLIENT_API_attrib). + */ +#define GLFW_CLIENT_API 0x00022001 +/*! @brief Context client API major version hint and attribute. + * + * Context client API major version [hint](@ref GLFW_CLIENT_API_hint) and + * [attribute](@ref GLFW_CLIENT_API_attrib). + */ +#define GLFW_CONTEXT_VERSION_MAJOR 0x00022002 +/*! @brief Context client API minor version hint and attribute. + * + * Context client API minor version [hint](@ref GLFW_CLIENT_API_hint) and + * [attribute](@ref GLFW_CLIENT_API_attrib). + */ +#define GLFW_CONTEXT_VERSION_MINOR 0x00022003 +/*! @brief Context client API revision number hint and attribute. + * + * Context client API revision number [hint](@ref GLFW_CLIENT_API_hint) and + * [attribute](@ref GLFW_CLIENT_API_attrib). + */ +#define GLFW_CONTEXT_REVISION 0x00022004 +/*! @brief Context robustness hint and attribute. + * + * Context client API revision number [hint](@ref GLFW_CLIENT_API_hint) and + * [attribute](@ref GLFW_CLIENT_API_attrib). + */ +#define GLFW_CONTEXT_ROBUSTNESS 0x00022005 +/*! @brief OpenGL forward-compatibility hint and attribute. + * + * OpenGL forward-compatibility [hint](@ref GLFW_CLIENT_API_hint) and + * [attribute](@ref GLFW_CLIENT_API_attrib). + */ +#define GLFW_OPENGL_FORWARD_COMPAT 0x00022006 +/*! @brief OpenGL debug context hint and attribute. + * + * OpenGL debug context [hint](@ref GLFW_CLIENT_API_hint) and + * [attribute](@ref GLFW_CLIENT_API_attrib). + */ +#define GLFW_OPENGL_DEBUG_CONTEXT 0x00022007 +/*! @brief OpenGL profile hint and attribute. + * + * OpenGL profile [hint](@ref GLFW_CLIENT_API_hint) and + * [attribute](@ref GLFW_CLIENT_API_attrib). + */ +#define GLFW_OPENGL_PROFILE 0x00022008 +/*! @brief Context flush-on-release hint and attribute. + * + * Context flush-on-release [hint](@ref GLFW_CLIENT_API_hint) and + * [attribute](@ref GLFW_CLIENT_API_attrib). + */ +#define GLFW_CONTEXT_RELEASE_BEHAVIOR 0x00022009 +/*! @brief Context error suppression hint and attribute. + * + * Context error suppression [hint](@ref GLFW_CLIENT_API_hint) and + * [attribute](@ref GLFW_CLIENT_API_attrib). + */ +#define GLFW_CONTEXT_NO_ERROR 0x0002200A +/*! @brief Context creation API hint and attribute. + * + * Context creation API [hint](@ref GLFW_CLIENT_API_hint) and + * [attribute](@ref GLFW_CLIENT_API_attrib). + */ +#define GLFW_CONTEXT_CREATION_API 0x0002200B +/*! @brief Window content area scaling window + * [window hint](@ref GLFW_SCALE_TO_MONITOR). + */ +#define GLFW_SCALE_TO_MONITOR 0x0002200C +/*! @brief macOS specific + * [window hint](@ref GLFW_COCOA_RETINA_FRAMEBUFFER_hint). + */ +#define GLFW_COCOA_RETINA_FRAMEBUFFER 0x00023001 +/*! @brief macOS specific + * [window hint](@ref GLFW_COCOA_FRAME_NAME_hint). + */ +#define GLFW_COCOA_FRAME_NAME 0x00023002 +/*! @brief macOS specific + * [window hint](@ref GLFW_COCOA_GRAPHICS_SWITCHING_hint). + */ +#define GLFW_COCOA_GRAPHICS_SWITCHING 0x00023003 +/*! @brief X11 specific + * [window hint](@ref GLFW_X11_CLASS_NAME_hint). + */ +#define GLFW_X11_CLASS_NAME 0x00024001 +/*! @brief X11 specific + * [window hint](@ref GLFW_X11_CLASS_NAME_hint). + */ +#define GLFW_X11_INSTANCE_NAME 0x00024002 +/*! @} */ + +#define GLFW_NO_API 0 +#define GLFW_OPENGL_API 0x00030001 +#define GLFW_OPENGL_ES_API 0x00030002 + +#define GLFW_NO_ROBUSTNESS 0 +#define GLFW_NO_RESET_NOTIFICATION 0x00031001 +#define GLFW_LOSE_CONTEXT_ON_RESET 0x00031002 + +#define GLFW_OPENGL_ANY_PROFILE 0 +#define GLFW_OPENGL_CORE_PROFILE 0x00032001 +#define GLFW_OPENGL_COMPAT_PROFILE 0x00032002 + +#define GLFW_CURSOR 0x00033001 +#define GLFW_STICKY_KEYS 0x00033002 +#define GLFW_STICKY_MOUSE_BUTTONS 0x00033003 +#define GLFW_LOCK_KEY_MODS 0x00033004 +#define GLFW_RAW_MOUSE_MOTION 0x00033005 + +#define GLFW_CURSOR_NORMAL 0x00034001 +#define GLFW_CURSOR_HIDDEN 0x00034002 +#define GLFW_CURSOR_DISABLED 0x00034003 + +#define GLFW_ANY_RELEASE_BEHAVIOR 0 +#define GLFW_RELEASE_BEHAVIOR_FLUSH 0x00035001 +#define GLFW_RELEASE_BEHAVIOR_NONE 0x00035002 + +#define GLFW_NATIVE_CONTEXT_API 0x00036001 +#define GLFW_EGL_CONTEXT_API 0x00036002 +#define GLFW_OSMESA_CONTEXT_API 0x00036003 + +/*! @defgroup shapes Standard cursor shapes + * @brief Standard system cursor shapes. + * + * See [standard cursor creation](@ref cursor_standard) for how these are used. + * + * @ingroup input + * @{ */ + +/*! @brief The regular arrow cursor shape. + * + * The regular arrow cursor. + */ +#define GLFW_ARROW_CURSOR 0x00036001 +/*! @brief The text input I-beam cursor shape. + * + * The text input I-beam cursor shape. + */ +#define GLFW_IBEAM_CURSOR 0x00036002 +/*! @brief The crosshair shape. + * + * The crosshair shape. + */ +#define GLFW_CROSSHAIR_CURSOR 0x00036003 +/*! @brief The hand shape. + * + * The hand shape. + */ +#define GLFW_HAND_CURSOR 0x00036004 +/*! @brief The horizontal resize arrow shape. + * + * The horizontal resize arrow shape. + */ +#define GLFW_HRESIZE_CURSOR 0x00036005 +/*! @brief The vertical resize arrow shape. + * + * The vertical resize arrow shape. + */ +#define GLFW_VRESIZE_CURSOR 0x00036006 +/*! @} */ + +#define GLFW_CONNECTED 0x00040001 +#define GLFW_DISCONNECTED 0x00040002 + +/*! @addtogroup init + * @{ */ +/*! @brief Joystick hat buttons init hint. + * + * Joystick hat buttons [init hint](@ref GLFW_JOYSTICK_HAT_BUTTONS). + */ +#define GLFW_JOYSTICK_HAT_BUTTONS 0x00050001 +/*! @brief macOS specific init hint. + * + * macOS specific [init hint](@ref GLFW_COCOA_CHDIR_RESOURCES_hint). + */ +#define GLFW_COCOA_CHDIR_RESOURCES 0x00051001 +/*! @brief macOS specific init hint. + * + * macOS specific [init hint](@ref GLFW_COCOA_MENUBAR_hint). + */ +#define GLFW_COCOA_MENUBAR 0x00051002 +/*! @} */ + +#define GLFW_DONT_CARE -1 + + +/************************************************************************* + * GLFW API types + *************************************************************************/ + +/*! @brief Client API function pointer type. + * + * Generic function pointer used for returning client API function pointers + * without forcing a cast from a regular pointer. + * + * @sa @ref context_glext + * @sa @ref glfwGetProcAddress + * + * @since Added in version 3.0. + * + * @ingroup context + */ +typedef void (*GLFWglproc)(void); + +/*! @brief Vulkan API function pointer type. + * + * Generic function pointer used for returning Vulkan API function pointers + * without forcing a cast from a regular pointer. + * + * @sa @ref vulkan_proc + * @sa @ref glfwGetInstanceProcAddress + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +typedef void (*GLFWvkproc)(void); + +/*! @brief Opaque monitor object. + * + * Opaque monitor object. + * + * @see @ref monitor_object + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +typedef struct GLFWmonitor GLFWmonitor; + +/*! @brief Opaque window object. + * + * Opaque window object. + * + * @see @ref window_object + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef struct GLFWwindow GLFWwindow; + +/*! @brief Opaque cursor object. + * + * Opaque cursor object. + * + * @see @ref cursor_object + * + * @since Added in version 3.1. + * + * @ingroup input + */ +typedef struct GLFWcursor GLFWcursor; + +/*! @brief The function signature for error callbacks. + * + * This is the function signature for error callback functions. + * + * @param[in] error An [error code](@ref errors). + * @param[in] description A UTF-8 encoded string describing the error. + * + * @sa @ref error_handling + * @sa @ref glfwSetErrorCallback + * + * @since Added in version 3.0. + * + * @ingroup init + */ +typedef void (* GLFWerrorfun)(int,const char*); + +/*! @brief The function signature for window position callbacks. + * + * This is the function signature for window position callback functions. + * + * @param[in] window The window that was moved. + * @param[in] xpos The new x-coordinate, in screen coordinates, of the + * upper-left corner of the content area of the window. + * @param[in] ypos The new y-coordinate, in screen coordinates, of the + * upper-left corner of the content area of the window. + * + * @sa @ref window_pos + * @sa @ref glfwSetWindowPosCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef void (* GLFWwindowposfun)(GLFWwindow*,int,int); + +/*! @brief The function signature for window resize callbacks. + * + * This is the function signature for window size callback functions. + * + * @param[in] window The window that was resized. + * @param[in] width The new width, in screen coordinates, of the window. + * @param[in] height The new height, in screen coordinates, of the window. + * + * @sa @ref window_size + * @sa @ref glfwSetWindowSizeCallback + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +typedef void (* GLFWwindowsizefun)(GLFWwindow*,int,int); + +/*! @brief The function signature for window close callbacks. + * + * This is the function signature for window close callback functions. + * + * @param[in] window The window that the user attempted to close. + * + * @sa @ref window_close + * @sa @ref glfwSetWindowCloseCallback + * + * @since Added in version 2.5. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +typedef void (* GLFWwindowclosefun)(GLFWwindow*); + +/*! @brief The function signature for window content refresh callbacks. + * + * This is the function signature for window refresh callback functions. + * + * @param[in] window The window whose content needs to be refreshed. + * + * @sa @ref window_refresh + * @sa @ref glfwSetWindowRefreshCallback + * + * @since Added in version 2.5. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +typedef void (* GLFWwindowrefreshfun)(GLFWwindow*); + +/*! @brief The function signature for window focus/defocus callbacks. + * + * This is the function signature for window focus callback functions. + * + * @param[in] window The window that gained or lost input focus. + * @param[in] focused `GLFW_TRUE` if the window was given input focus, or + * `GLFW_FALSE` if it lost it. + * + * @sa @ref window_focus + * @sa @ref glfwSetWindowFocusCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef void (* GLFWwindowfocusfun)(GLFWwindow*,int); + +/*! @brief The function signature for window iconify/restore callbacks. + * + * This is the function signature for window iconify/restore callback + * functions. + * + * @param[in] window The window that was iconified or restored. + * @param[in] iconified `GLFW_TRUE` if the window was iconified, or + * `GLFW_FALSE` if it was restored. + * + * @sa @ref window_iconify + * @sa @ref glfwSetWindowIconifyCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef void (* GLFWwindowiconifyfun)(GLFWwindow*,int); + +/*! @brief The function signature for window maximize/restore callbacks. + * + * This is the function signature for window maximize/restore callback + * functions. + * + * @param[in] window The window that was maximized or restored. + * @param[in] iconified `GLFW_TRUE` if the window was maximized, or + * `GLFW_FALSE` if it was restored. + * + * @sa @ref window_maximize + * @sa glfwSetWindowMaximizeCallback + * + * @since Added in version 3.3. + * + * @ingroup window + */ +typedef void (* GLFWwindowmaximizefun)(GLFWwindow*,int); + +/*! @brief The function signature for framebuffer resize callbacks. + * + * This is the function signature for framebuffer resize callback + * functions. + * + * @param[in] window The window whose framebuffer was resized. + * @param[in] width The new width, in pixels, of the framebuffer. + * @param[in] height The new height, in pixels, of the framebuffer. + * + * @sa @ref window_fbsize + * @sa @ref glfwSetFramebufferSizeCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef void (* GLFWframebuffersizefun)(GLFWwindow*,int,int); + +/*! @brief The function signature for window content scale callbacks. + * + * This is the function signature for window content scale callback + * functions. + * + * @param[in] window The window whose content scale changed. + * @param[in] xscale The new x-axis content scale of the window. + * @param[in] yscale The new y-axis content scale of the window. + * + * @sa @ref window_scale + * @sa @ref glfwSetWindowContentScaleCallback + * + * @since Added in version 3.3. + * + * @ingroup window + */ +typedef void (* GLFWwindowcontentscalefun)(GLFWwindow*,float,float); + +/*! @brief The function signature for mouse button callbacks. + * + * This is the function signature for mouse button callback functions. + * + * @param[in] window The window that received the event. + * @param[in] button The [mouse button](@ref buttons) that was pressed or + * released. + * @param[in] action One of `GLFW_PRESS` or `GLFW_RELEASE`. + * @param[in] mods Bit field describing which [modifier keys](@ref mods) were + * held down. + * + * @sa @ref input_mouse_button + * @sa @ref glfwSetMouseButtonCallback + * + * @since Added in version 1.0. + * @glfw3 Added window handle and modifier mask parameters. + * + * @ingroup input + */ +typedef void (* GLFWmousebuttonfun)(GLFWwindow*,int,int,int); + +/*! @brief The function signature for cursor position callbacks. + * + * This is the function signature for cursor position callback functions. + * + * @param[in] window The window that received the event. + * @param[in] xpos The new cursor x-coordinate, relative to the left edge of + * the content area. + * @param[in] ypos The new cursor y-coordinate, relative to the top edge of the + * content area. + * + * @sa @ref cursor_pos + * @sa @ref glfwSetCursorPosCallback + * + * @since Added in version 3.0. Replaces `GLFWmouseposfun`. + * + * @ingroup input + */ +typedef void (* GLFWcursorposfun)(GLFWwindow*,double,double); + +/*! @brief The function signature for cursor enter/leave callbacks. + * + * This is the function signature for cursor enter/leave callback functions. + * + * @param[in] window The window that received the event. + * @param[in] entered `GLFW_TRUE` if the cursor entered the window's content + * area, or `GLFW_FALSE` if it left it. + * + * @sa @ref cursor_enter + * @sa @ref glfwSetCursorEnterCallback + * + * @since Added in version 3.0. + * + * @ingroup input + */ +typedef void (* GLFWcursorenterfun)(GLFWwindow*,int); + +/*! @brief The function signature for scroll callbacks. + * + * This is the function signature for scroll callback functions. + * + * @param[in] window The window that received the event. + * @param[in] xoffset The scroll offset along the x-axis. + * @param[in] yoffset The scroll offset along the y-axis. + * + * @sa @ref scrolling + * @sa @ref glfwSetScrollCallback + * + * @since Added in version 3.0. Replaces `GLFWmousewheelfun`. + * + * @ingroup input + */ +typedef void (* GLFWscrollfun)(GLFWwindow*,double,double); + +/*! @brief The function signature for keyboard key callbacks. + * + * This is the function signature for keyboard key callback functions. + * + * @param[in] window The window that received the event. + * @param[in] key The [keyboard key](@ref keys) that was pressed or released. + * @param[in] scancode The system-specific scancode of the key. + * @param[in] action `GLFW_PRESS`, `GLFW_RELEASE` or `GLFW_REPEAT`. + * @param[in] mods Bit field describing which [modifier keys](@ref mods) were + * held down. + * + * @sa @ref input_key + * @sa @ref glfwSetKeyCallback + * + * @since Added in version 1.0. + * @glfw3 Added window handle, scancode and modifier mask parameters. + * + * @ingroup input + */ +typedef void (* GLFWkeyfun)(GLFWwindow*,int,int,int,int); + +/*! @brief The function signature for Unicode character callbacks. + * + * This is the function signature for Unicode character callback functions. + * + * @param[in] window The window that received the event. + * @param[in] codepoint The Unicode code point of the character. + * + * @sa @ref input_char + * @sa @ref glfwSetCharCallback + * + * @since Added in version 2.4. + * @glfw3 Added window handle parameter. + * + * @ingroup input + */ +typedef void (* GLFWcharfun)(GLFWwindow*,unsigned int); + +/*! @brief The function signature for Unicode character with modifiers + * callbacks. + * + * This is the function signature for Unicode character with modifiers callback + * functions. It is called for each input character, regardless of what + * modifier keys are held down. + * + * @param[in] window The window that received the event. + * @param[in] codepoint The Unicode code point of the character. + * @param[in] mods Bit field describing which [modifier keys](@ref mods) were + * held down. + * + * @sa @ref input_char + * @sa @ref glfwSetCharModsCallback + * + * @deprecated Scheduled for removal in version 4.0. + * + * @since Added in version 3.1. + * + * @ingroup input + */ +typedef void (* GLFWcharmodsfun)(GLFWwindow*,unsigned int,int); + +/*! @brief The function signature for file drop callbacks. + * + * This is the function signature for file drop callbacks. + * + * @param[in] window The window that received the event. + * @param[in] count The number of dropped files. + * @param[in] paths The UTF-8 encoded file and/or directory path names. + * + * @sa @ref path_drop + * @sa @ref glfwSetDropCallback + * + * @since Added in version 3.1. + * + * @ingroup input + */ +typedef void (* GLFWdropfun)(GLFWwindow*,int,const char**); + +/*! @brief The function signature for monitor configuration callbacks. + * + * This is the function signature for monitor configuration callback functions. + * + * @param[in] monitor The monitor that was connected or disconnected. + * @param[in] event One of `GLFW_CONNECTED` or `GLFW_DISCONNECTED`. Remaining + * values reserved for future use. + * + * @sa @ref monitor_event + * @sa @ref glfwSetMonitorCallback + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +typedef void (* GLFWmonitorfun)(GLFWmonitor*,int); + +/*! @brief The function signature for joystick configuration callbacks. + * + * This is the function signature for joystick configuration callback + * functions. + * + * @param[in] jid The joystick that was connected or disconnected. + * @param[in] event One of `GLFW_CONNECTED` or `GLFW_DISCONNECTED`. Remaining + * values reserved for future use. + * + * @sa @ref joystick_event + * @sa @ref glfwSetJoystickCallback + * + * @since Added in version 3.2. + * + * @ingroup input + */ +typedef void (* GLFWjoystickfun)(int,int); + +/*! @brief Video mode type. + * + * This describes a single video mode. + * + * @sa @ref monitor_modes + * @sa @ref glfwGetVideoMode + * @sa @ref glfwGetVideoModes + * + * @since Added in version 1.0. + * @glfw3 Added refresh rate member. + * + * @ingroup monitor + */ +typedef struct GLFWvidmode +{ + /*! The width, in screen coordinates, of the video mode. + */ + int width; + /*! The height, in screen coordinates, of the video mode. + */ + int height; + /*! The bit depth of the red channel of the video mode. + */ + int redBits; + /*! The bit depth of the green channel of the video mode. + */ + int greenBits; + /*! The bit depth of the blue channel of the video mode. + */ + int blueBits; + /*! The refresh rate, in Hz, of the video mode. + */ + int refreshRate; +} GLFWvidmode; + +/*! @brief Gamma ramp. + * + * This describes the gamma ramp for a monitor. + * + * @sa @ref monitor_gamma + * @sa @ref glfwGetGammaRamp + * @sa @ref glfwSetGammaRamp + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +typedef struct GLFWgammaramp +{ + /*! An array of value describing the response of the red channel. + */ + unsigned short* red; + /*! An array of value describing the response of the green channel. + */ + unsigned short* green; + /*! An array of value describing the response of the blue channel. + */ + unsigned short* blue; + /*! The number of elements in each array. + */ + unsigned int size; +} GLFWgammaramp; + +/*! @brief Image data. + * + * This describes a single 2D image. See the documentation for each related + * function what the expected pixel format is. + * + * @sa @ref cursor_custom + * @sa @ref window_icon + * + * @since Added in version 2.1. + * @glfw3 Removed format and bytes-per-pixel members. + * + * @ingroup window + */ +typedef struct GLFWimage +{ + /*! The width, in pixels, of this image. + */ + int width; + /*! The height, in pixels, of this image. + */ + int height; + /*! The pixel data of this image, arranged left-to-right, top-to-bottom. + */ + unsigned char* pixels; +} GLFWimage; + +/*! @brief Gamepad input state + * + * This describes the input state of a gamepad. + * + * @sa @ref gamepad + * @sa @ref glfwGetGamepadState + * + * @since Added in version 3.3. + * + * @ingroup input + */ +typedef struct GLFWgamepadstate +{ + /*! The states of each [gamepad button](@ref gamepad_buttons), `GLFW_PRESS` + * or `GLFW_RELEASE`. + */ + unsigned char buttons[15]; + /*! The states of each [gamepad axis](@ref gamepad_axes), in the range -1.0 + * to 1.0 inclusive. + */ + float axes[6]; +} GLFWgamepadstate; + + +/************************************************************************* + * GLFW API functions + *************************************************************************/ + +/*! @brief Initializes the GLFW library. + * + * This function initializes the GLFW library. Before most GLFW functions can + * be used, GLFW must be initialized, and before an application terminates GLFW + * should be terminated in order to free any resources allocated during or + * after initialization. + * + * If this function fails, it calls @ref glfwTerminate before returning. If it + * succeeds, you should call @ref glfwTerminate before the application exits. + * + * Additional calls to this function after successful initialization but before + * termination will return `GLFW_TRUE` immediately. + * + * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_PLATFORM_ERROR. + * + * @remark @macos This function will change the current directory of the + * application to the `Contents/Resources` subdirectory of the application's + * bundle, if present. This can be disabled with the @ref + * GLFW_COCOA_CHDIR_RESOURCES init hint. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref intro_init + * @sa @ref glfwTerminate + * + * @since Added in version 1.0. + * + * @ingroup init + */ +GLFWAPI int glfwInit(void); + +/*! @brief Terminates the GLFW library. + * + * This function destroys all remaining windows and cursors, restores any + * modified gamma ramps and frees any other allocated resources. Once this + * function is called, you must again call @ref glfwInit successfully before + * you will be able to use most GLFW functions. + * + * If GLFW has been successfully initialized, this function should be called + * before the application exits. If initialization fails, there is no need to + * call this function, as it is called by @ref glfwInit before it returns + * failure. + * + * @errors Possible errors include @ref GLFW_PLATFORM_ERROR. + * + * @remark This function may be called before @ref glfwInit. + * + * @warning The contexts of any remaining windows must not be current on any + * other thread when this function is called. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref intro_init + * @sa @ref glfwInit + * + * @since Added in version 1.0. + * + * @ingroup init + */ +GLFWAPI void glfwTerminate(void); + +/*! @brief Sets the specified init hint to the desired value. + * + * This function sets hints for the next initialization of GLFW. + * + * The values you set hints to are never reset by GLFW, but they only take + * effect during initialization. Once GLFW has been initialized, any values + * you set will be ignored until the library is terminated and initialized + * again. + * + * Some hints are platform specific. These may be set on any platform but they + * will only affect their specific platform. Other platforms will ignore them. + * Setting these hints requires no platform specific headers or functions. + * + * @param[in] hint The [init hint](@ref init_hints) to set. + * @param[in] value The new value of the init hint. + * + * @errors Possible errors include @ref GLFW_INVALID_ENUM and @ref + * GLFW_INVALID_VALUE. + * + * @remarks This function may be called before @ref glfwInit. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa init_hints + * @sa glfwInit + * + * @since Added in version 3.3. + * + * @ingroup init + */ +GLFWAPI void glfwInitHint(int hint, int value); + +/*! @brief Retrieves the version of the GLFW library. + * + * This function retrieves the major, minor and revision numbers of the GLFW + * library. It is intended for when you are using GLFW as a shared library and + * want to ensure that you are using the minimum required version. + * + * Any or all of the version arguments may be `NULL`. + * + * @param[out] major Where to store the major version number, or `NULL`. + * @param[out] minor Where to store the minor version number, or `NULL`. + * @param[out] rev Where to store the revision number, or `NULL`. + * + * @errors None. + * + * @remark This function may be called before @ref glfwInit. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref intro_version + * @sa @ref glfwGetVersionString + * + * @since Added in version 1.0. + * + * @ingroup init + */ +GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev); + +/*! @brief Returns a string describing the compile-time configuration. + * + * This function returns the compile-time generated + * [version string](@ref intro_version_string) of the GLFW library binary. It + * describes the version, platform, compiler and any platform-specific + * compile-time options. It should not be confused with the OpenGL or OpenGL + * ES version string, queried with `glGetString`. + * + * __Do not use the version string__ to parse the GLFW library version. The + * @ref glfwGetVersion function provides the version of the running library + * binary in numerical format. + * + * @return The ASCII encoded GLFW version string. + * + * @errors None. + * + * @remark This function may be called before @ref glfwInit. + * + * @pointer_lifetime The returned string is static and compile-time generated. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref intro_version + * @sa @ref glfwGetVersion + * + * @since Added in version 3.0. + * + * @ingroup init + */ +GLFWAPI const char* glfwGetVersionString(void); + +/*! @brief Returns and clears the last error for the calling thread. + * + * This function returns and clears the [error code](@ref errors) of the last + * error that occurred on the calling thread, and optionally a UTF-8 encoded + * human-readable description of it. If no error has occurred since the last + * call, it returns @ref GLFW_NO_ERROR (zero) and the description pointer is + * set to `NULL`. + * + * @param[in] description Where to store the error description pointer, or `NULL`. + * @return The last error code for the calling thread, or @ref GLFW_NO_ERROR + * (zero). + * + * @errors None. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is guaranteed to be valid only until the + * next error occurs or the library is terminated. + * + * @remark This function may be called before @ref glfwInit. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref error_handling + * @sa @ref glfwSetErrorCallback + * + * @since Added in version 3.3. + * + * @ingroup init + */ +GLFWAPI int glfwGetError(const char** description); + +/*! @brief Sets the error callback. + * + * This function sets the error callback, which is called with an error code + * and a human-readable description each time a GLFW error occurs. + * + * The error code is set before the callback is called. Calling @ref + * glfwGetError from the error callback will return the same value as the error + * code argument. + * + * The error callback is called on the thread where the error occurred. If you + * are using GLFW from multiple threads, your error callback needs to be + * written accordingly. + * + * Because the description string may have been generated specifically for that + * error, it is not guaranteed to be valid after the callback has returned. If + * you wish to use it after the callback returns, you need to make a copy. + * + * Once set, the error callback remains set even after the library has been + * terminated. + * + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set. + * + * @errors None. + * + * @remark This function may be called before @ref glfwInit. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref error_handling + * @sa @ref glfwGetError + * + * @since Added in version 3.0. + * + * @ingroup init + */ +GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun); + +/*! @brief Returns the currently connected monitors. + * + * This function returns an array of handles for all currently connected + * monitors. The primary monitor is always first in the returned array. If no + * monitors were found, this function returns `NULL`. + * + * @param[out] count Where to store the number of monitors in the returned + * array. This is set to zero if an error occurred. + * @return An array of monitor handles, or `NULL` if no monitors were found or + * if an [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is guaranteed to be valid only until the + * monitor configuration changes or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_monitors + * @sa @ref monitor_event + * @sa @ref glfwGetPrimaryMonitor + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI GLFWmonitor** glfwGetMonitors(int* count); + +/*! @brief Returns the primary monitor. + * + * This function returns the primary monitor. This is usually the monitor + * where elements like the task bar or global menu bar are located. + * + * @return The primary monitor, or `NULL` if no monitors were found or if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @remark The primary monitor is always first in the array returned by @ref + * glfwGetMonitors. + * + * @sa @ref monitor_monitors + * @sa @ref glfwGetMonitors + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI GLFWmonitor* glfwGetPrimaryMonitor(void); + +/*! @brief Returns the position of the monitor's viewport on the virtual screen. + * + * This function returns the position, in screen coordinates, of the upper-left + * corner of the specified monitor. + * + * Any or all of the position arguments may be `NULL`. If an error occurs, all + * non-`NULL` position arguments will be set to zero. + * + * @param[in] monitor The monitor to query. + * @param[out] xpos Where to store the monitor x-coordinate, or `NULL`. + * @param[out] ypos Where to store the monitor y-coordinate, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_properties + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI void glfwGetMonitorPos(GLFWmonitor* monitor, int* xpos, int* ypos); + +/*! @brief Retrives the work area of the monitor. + * + * This function returns the position, in screen coordinates, of the upper-left + * corner of the work area of the specified monitor along with the work area + * size in screen coordinates. The work area is defined as the area of the + * monitor not occluded by the operating system task bar where present. If no + * task bar exists then the work area is the monitor resolution in screen + * coordinates. + * + * Any or all of the position and size arguments may be `NULL`. If an error + * occurs, all non-`NULL` position and size arguments will be set to zero. + * + * @param[in] monitor The monitor to query. + * @param[out] xpos Where to store the monitor x-coordinate, or `NULL`. + * @param[out] ypos Where to store the monitor y-coordinate, or `NULL`. + * @param[out] width Where to store the monitor width, or `NULL`. + * @param[out] height Where to store the monitor height, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_workarea + * + * @since Added in version 3.3. + * + * @ingroup monitor + */ +GLFWAPI void glfwGetMonitorWorkarea(GLFWmonitor* monitor, int* xpos, int* ypos, int* width, int* height); + +/*! @brief Returns the physical size of the monitor. + * + * This function returns the size, in millimetres, of the display area of the + * specified monitor. + * + * Some systems do not provide accurate monitor size information, either + * because the monitor + * [EDID](https://en.wikipedia.org/wiki/Extended_display_identification_data) + * data is incorrect or because the driver does not report it accurately. + * + * Any or all of the size arguments may be `NULL`. If an error occurs, all + * non-`NULL` size arguments will be set to zero. + * + * @param[in] monitor The monitor to query. + * @param[out] widthMM Where to store the width, in millimetres, of the + * monitor's display area, or `NULL`. + * @param[out] heightMM Where to store the height, in millimetres, of the + * monitor's display area, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @remark @win32 calculates the returned physical size from the + * current resolution and system DPI instead of querying the monitor EDID data. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_properties + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI void glfwGetMonitorPhysicalSize(GLFWmonitor* monitor, int* widthMM, int* heightMM); + +/*! @brief Retrieves the content scale for the specified monitor. + * + * This function retrieves the content scale for the specified monitor. The + * content scale is the ratio between the current DPI and the platform's + * default DPI. This is especially important for text and any UI elements. If + * the pixel dimensions of your UI scaled by this look appropriate on your + * machine then it should appear at a reasonable size on other machines + * regardless of their DPI and scaling settings. This relies on the system DPI + * and scaling settings being somewhat correct. + * + * The content scale may depend on both the monitor resolution and pixel + * density and on user settings. It may be very different from the raw DPI + * calculated from the physical size and current resolution. + * + * @param[in] monitor The monitor to query. + * @param[out] xscale Where to store the x-axis content scale, or `NULL`. + * @param[out] yscale Where to store the y-axis content scale, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_scale + * @sa @ref glfwGetWindowContentScale + * + * @since Added in version 3.3. + * + * @ingroup monitor + */ +GLFWAPI void glfwGetMonitorContentScale(GLFWmonitor* monitor, float* xscale, float* yscale); + +/*! @brief Returns the name of the specified monitor. + * + * This function returns a human-readable name, encoded as UTF-8, of the + * specified monitor. The name typically reflects the make and model of the + * monitor and is not guaranteed to be unique among the connected monitors. + * + * @param[in] monitor The monitor to query. + * @return The UTF-8 encoded name of the monitor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified monitor is + * disconnected or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_properties + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* monitor); + +/*! @brief Sets the user pointer of the specified monitor. + * + * This function sets the user-defined pointer of the specified monitor. The + * current value is retained until the monitor is disconnected. The initial + * value is `NULL`. + * + * This function may be called from the monitor callback, even for a monitor + * that is being disconnected. + * + * @param[in] monitor The monitor whose pointer to set. + * @param[in] pointer The new value. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref monitor_userptr + * @sa @ref glfwGetMonitorUserPointer + * + * @since Added in version 3.3. + * + * @ingroup monitor + */ +GLFWAPI void glfwSetMonitorUserPointer(GLFWmonitor* monitor, void* pointer); + +/*! @brief Returns the user pointer of the specified monitor. + * + * This function returns the current value of the user-defined pointer of the + * specified monitor. The initial value is `NULL`. + * + * This function may be called from the monitor callback, even for a monitor + * that is being disconnected. + * + * @param[in] monitor The monitor whose pointer to return. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref monitor_userptr + * @sa @ref glfwSetMonitorUserPointer + * + * @since Added in version 3.3. + * + * @ingroup monitor + */ +GLFWAPI void* glfwGetMonitorUserPointer(GLFWmonitor* monitor); + +/*! @brief Sets the monitor configuration callback. + * + * This function sets the monitor configuration callback, or removes the + * currently set callback. This is called when a monitor is connected to or + * disconnected from the system. + * + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_event + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun cbfun); + +/*! @brief Returns the available video modes for the specified monitor. + * + * This function returns an array of all video modes supported by the specified + * monitor. The returned array is sorted in ascending order, first by color + * bit depth (the sum of all channel depths) and then by resolution area (the + * product of width and height). + * + * @param[in] monitor The monitor to query. + * @param[out] count Where to store the number of video modes in the returned + * array. This is set to zero if an error occurred. + * @return An array of video modes, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified monitor is + * disconnected, this function is called again for that monitor or the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_modes + * @sa @ref glfwGetVideoMode + * + * @since Added in version 1.0. + * @glfw3 Changed to return an array of modes for a specific monitor. + * + * @ingroup monitor + */ +GLFWAPI const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* monitor, int* count); + +/*! @brief Returns the current mode of the specified monitor. + * + * This function returns the current video mode of the specified monitor. If + * you have created a full screen window for that monitor, the return value + * will depend on whether that window is iconified. + * + * @param[in] monitor The monitor to query. + * @return The current mode of the monitor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified monitor is + * disconnected or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_modes + * @sa @ref glfwGetVideoModes + * + * @since Added in version 3.0. Replaces `glfwGetDesktopMode`. + * + * @ingroup monitor + */ +GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* monitor); + +/*! @brief Generates a gamma ramp and sets it for the specified monitor. + * + * This function generates an appropriately sized gamma ramp from the specified + * exponent and then calls @ref glfwSetGammaRamp with it. The value must be + * a finite number greater than zero. + * + * The software controlled gamma ramp is applied _in addition_ to the hardware + * gamma correction, which today is usually an approximation of sRGB gamma. + * This means that setting a perfectly linear ramp, or gamma 1.0, will produce + * the default (usually sRGB-like) behavior. + * + * For gamma correct rendering with OpenGL or OpenGL ES, see the @ref + * GLFW_SRGB_CAPABLE hint. + * + * @param[in] monitor The monitor whose gamma ramp to set. + * @param[in] gamma The desired exponent. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. + * + * @remark @wayland Gamma handling is a priviledged protocol, this function + * will thus never be implemented and emits @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_gamma + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI void glfwSetGamma(GLFWmonitor* monitor, float gamma); + +/*! @brief Returns the current gamma ramp for the specified monitor. + * + * This function returns the current gamma ramp of the specified monitor. + * + * @param[in] monitor The monitor to query. + * @return The current gamma ramp, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @wayland Gamma handling is a priviledged protocol, this function + * will thus never be implemented and emits @ref GLFW_PLATFORM_ERROR while + * returning `NULL`. + * + * @pointer_lifetime The returned structure and its arrays are allocated and + * freed by GLFW. You should not free them yourself. They are valid until the + * specified monitor is disconnected, this function is called again for that + * monitor or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_gamma + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* monitor); + +/*! @brief Sets the current gamma ramp for the specified monitor. + * + * This function sets the current gamma ramp for the specified monitor. The + * original gamma ramp for that monitor is saved by GLFW the first time this + * function is called and is restored by @ref glfwTerminate. + * + * The software controlled gamma ramp is applied _in addition_ to the hardware + * gamma correction, which today is usually an approximation of sRGB gamma. + * This means that setting a perfectly linear ramp, or gamma 1.0, will produce + * the default (usually sRGB-like) behavior. + * + * For gamma correct rendering with OpenGL or OpenGL ES, see the @ref + * GLFW_SRGB_CAPABLE hint. + * + * @param[in] monitor The monitor whose gamma ramp to set. + * @param[in] ramp The gamma ramp to use. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark The size of the specified gamma ramp should match the size of the + * current ramp for that monitor. + * + * @remark @win32 The gamma ramp size must be 256. + * + * @remark @wayland Gamma handling is a priviledged protocol, this function + * will thus never be implemented and emits @ref GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The specified gamma ramp is copied before this function + * returns. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_gamma + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI void glfwSetGammaRamp(GLFWmonitor* monitor, const GLFWgammaramp* ramp); + +/*! @brief Resets all window hints to their default values. + * + * This function resets all window hints to their + * [default values](@ref window_hints_values). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hints + * @sa @ref glfwWindowHint + * @sa @ref glfwWindowHintString + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwDefaultWindowHints(void); + +/*! @brief Sets the specified window hint to the desired value. + * + * This function sets hints for the next call to @ref glfwCreateWindow. The + * hints, once set, retain their values until changed by a call to this + * function or @ref glfwDefaultWindowHints, or until the library is terminated. + * + * Only integer value hints can be set with this function. String value hints + * are set with @ref glfwWindowHintString. + * + * This function does not check whether the specified hint values are valid. + * If you set hints to invalid values this will instead be reported by the next + * call to @ref glfwCreateWindow. + * + * Some hints are platform specific. These may be set on any platform but they + * will only affect their specific platform. Other platforms will ignore them. + * Setting these hints requires no platform specific headers or functions. + * + * @param[in] hint The [window hint](@ref window_hints) to set. + * @param[in] value The new value of the window hint. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hints + * @sa @ref glfwWindowHintString + * @sa @ref glfwDefaultWindowHints + * + * @since Added in version 3.0. Replaces `glfwOpenWindowHint`. + * + * @ingroup window + */ +GLFWAPI void glfwWindowHint(int hint, int value); + +/*! @brief Sets the specified window hint to the desired value. + * + * This function sets hints for the next call to @ref glfwCreateWindow. The + * hints, once set, retain their values until changed by a call to this + * function or @ref glfwDefaultWindowHints, or until the library is terminated. + * + * Only string type hints can be set with this function. Integer value hints + * are set with @ref glfwWindowHint. + * + * This function does not check whether the specified hint values are valid. + * If you set hints to invalid values this will instead be reported by the next + * call to @ref glfwCreateWindow. + * + * Some hints are platform specific. These may be set on any platform but they + * will only affect their specific platform. Other platforms will ignore them. + * Setting these hints requires no platform specific headers or functions. + * + * @param[in] hint The [window hint](@ref window_hints) to set. + * @param[in] value The new value of the window hint. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @pointer_lifetime The specified string is copied before this function + * returns. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hints + * @sa @ref glfwWindowHint + * @sa @ref glfwDefaultWindowHints + * + * @since Added in version 3.3. + * + * @ingroup window + */ +GLFWAPI void glfwWindowHintString(int hint, const char* value); + +/*! @brief Creates a window and its associated context. + * + * This function creates a window and its associated OpenGL or OpenGL ES + * context. Most of the options controlling how the window and its context + * should be created are specified with [window hints](@ref window_hints). + * + * Successful creation does not change which context is current. Before you + * can use the newly created context, you need to + * [make it current](@ref context_current). For information about the `share` + * parameter, see @ref context_sharing. + * + * The created window, framebuffer and context may differ from what you + * requested, as not all parameters and hints are + * [hard constraints](@ref window_hints_hard). This includes the size of the + * window, especially for full screen windows. To query the actual attributes + * of the created window, framebuffer and context, see @ref + * glfwGetWindowAttrib, @ref glfwGetWindowSize and @ref glfwGetFramebufferSize. + * + * To create a full screen window, you need to specify the monitor the window + * will cover. If no monitor is specified, the window will be windowed mode. + * Unless you have a way for the user to choose a specific monitor, it is + * recommended that you pick the primary monitor. For more information on how + * to query connected monitors, see @ref monitor_monitors. + * + * For full screen windows, the specified size becomes the resolution of the + * window's _desired video mode_. As long as a full screen window is not + * iconified, the supported video mode most closely matching the desired video + * mode is set for the specified monitor. For more information about full + * screen windows, including the creation of so called _windowed full screen_ + * or _borderless full screen_ windows, see @ref window_windowed_full_screen. + * + * Once you have created the window, you can switch it between windowed and + * full screen mode with @ref glfwSetWindowMonitor. This will not affect its + * OpenGL or OpenGL ES context. + * + * By default, newly created windows use the placement recommended by the + * window system. To create the window at a specific position, make it + * initially invisible using the [GLFW_VISIBLE](@ref GLFW_VISIBLE_hint) window + * hint, set its [position](@ref window_pos) and then [show](@ref window_hide) + * it. + * + * As long as at least one full screen window is not iconified, the screensaver + * is prohibited from starting. + * + * Window systems put limits on window sizes. Very large or very small window + * dimensions may be overridden by the window system on creation. Check the + * actual [size](@ref window_size) after creation. + * + * The [swap interval](@ref buffer_swap) is not set during window creation and + * the initial value may vary depending on driver settings and defaults. + * + * @param[in] width The desired width, in screen coordinates, of the window. + * This must be greater than zero. + * @param[in] height The desired height, in screen coordinates, of the window. + * This must be greater than zero. + * @param[in] title The initial, UTF-8 encoded window title. + * @param[in] monitor The monitor to use for full screen mode, or `NULL` for + * windowed mode. + * @param[in] share The window whose context to share resources with, or `NULL` + * to not share resources. + * @return The handle of the created window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM, @ref GLFW_INVALID_VALUE, @ref GLFW_API_UNAVAILABLE, @ref + * GLFW_VERSION_UNAVAILABLE, @ref GLFW_FORMAT_UNAVAILABLE and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @win32 Window creation will fail if the Microsoft GDI software + * OpenGL implementation is the only one available. + * + * @remark @win32 If the executable has an icon resource named `GLFW_ICON,` it + * will be set as the initial icon for the window. If no such icon is present, + * the `IDI_APPLICATION` icon will be used instead. To set a different icon, + * see @ref glfwSetWindowIcon. + * + * @remark @win32 The context to share resources with must not be current on + * any other thread. + * + * @remark @macos The OS only supports forward-compatible core profile contexts + * for OpenGL versions 3.2 and later. Before creating an OpenGL context of + * version 3.2 or later you must set the + * [GLFW_OPENGL_FORWARD_COMPAT](@ref GLFW_OPENGL_FORWARD_COMPAT_hint) and + * [GLFW_OPENGL_PROFILE](@ref GLFW_OPENGL_PROFILE_hint) hints accordingly. + * OpenGL 3.0 and 3.1 contexts are not supported at all on macOS. + * + * @remark @macos The GLFW window has no icon, as it is not a document + * window, but the dock icon will be the same as the application bundle's icon. + * For more information on bundles, see the + * [Bundle Programming Guide](https://developer.apple.com/library/mac/documentation/CoreFoundation/Conceptual/CFBundles/) + * in the Mac Developer Library. + * + * @remark @macos The first time a window is created the menu bar is created. + * If GLFW finds a `MainMenu.nib` it is loaded and assumed to contain a menu + * bar. Otherwise a minimal menu bar is created manually with common commands + * like Hide, Quit and About. The About entry opens a minimal about dialog + * with information from the application's bundle. Menu bar creation can be + * disabled entirely with the @ref GLFW_COCOA_MENUBAR init hint. + * + * @remark @macos On OS X 10.10 and later the window frame will not be rendered + * at full resolution on Retina displays unless the + * [GLFW_COCOA_RETINA_FRAMEBUFFER](@ref GLFW_COCOA_RETINA_FRAMEBUFFER_hint) + * hint is `GLFW_TRUE` and the `NSHighResolutionCapable` key is enabled in the + * application bundle's `Info.plist`. For more information, see + * [High Resolution Guidelines for OS X](https://developer.apple.com/library/mac/documentation/GraphicsAnimation/Conceptual/HighResolutionOSX/Explained/Explained.html) + * in the Mac Developer Library. The GLFW test and example programs use + * a custom `Info.plist` template for this, which can be found as + * `CMake/MacOSXBundleInfo.plist.in` in the source tree. + * + * @remark @macos When activating frame autosaving with + * [GLFW_COCOA_FRAME_NAME](@ref GLFW_COCOA_FRAME_NAME_hint), the specified + * window size and position may be overriden by previously saved values. + * + * @remark @x11 Some window managers will not respect the placement of + * initially hidden windows. + * + * @remark @x11 Due to the asynchronous nature of X11, it may take a moment for + * a window to reach its requested state. This means you may not be able to + * query the final size, position or other attributes directly after window + * creation. + * + * @remark @x11 The class part of the `WM_CLASS` window property will by + * default be set to the window title passed to this function. The instance + * part will use the contents of the `RESOURCE_NAME` environment variable, if + * present and not empty, or fall back to the window title. Set the + * [GLFW_X11_CLASS_NAME](@ref GLFW_X11_CLASS_NAME_hint) and + * [GLFW_X11_INSTANCE_NAME](@ref GLFW_X11_INSTANCE_NAME_hint) window hints to + * override this. + * + * @remark @wayland Compositors should implement the xdg-decoration protocol + * for GLFW to decorate the window properly. If this protocol isn't + * supported, or if the compositor prefers client-side decorations, a very + * simple fallback frame will be drawn using the wp_viewporter protocol. A + * compositor can still emit close, maximize or fullscreen events, using for + * instance a keybind mechanism. If neither of these protocols is supported, + * the window won't be decorated. + * + * @remark @wayland A full screen window will not attempt to change the mode, + * no matter what the requested size or refresh rate. + * + * @remark @wayland Screensaver inhibition requires the idle-inhibit protocol + * to be implemented in the user's compositor. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_creation + * @sa @ref glfwDestroyWindow + * + * @since Added in version 3.0. Replaces `glfwOpenWindow`. + * + * @ingroup window + */ +GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height, const char* title, GLFWmonitor* monitor, GLFWwindow* share); + +/*! @brief Destroys the specified window and its context. + * + * This function destroys the specified window and its context. On calling + * this function, no further callbacks will be called for that window. + * + * If the context of the specified window is current on the main thread, it is + * detached before being destroyed. + * + * @param[in] window The window to destroy. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @note The context of the specified window must not be current on any other + * thread when this function is called. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_creation + * @sa @ref glfwCreateWindow + * + * @since Added in version 3.0. Replaces `glfwCloseWindow`. + * + * @ingroup window + */ +GLFWAPI void glfwDestroyWindow(GLFWwindow* window); + +/*! @brief Checks the close flag of the specified window. + * + * This function returns the value of the close flag of the specified window. + * + * @param[in] window The window to query. + * @return The value of the close flag. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref window_close + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI int glfwWindowShouldClose(GLFWwindow* window); + +/*! @brief Sets the close flag of the specified window. + * + * This function sets the value of the close flag of the specified window. + * This can be used to override the user's attempt to close the window, or + * to signal that it should be closed. + * + * @param[in] window The window whose flag to change. + * @param[in] value The new value. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref window_close + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowShouldClose(GLFWwindow* window, int value); + +/*! @brief Sets the title of the specified window. + * + * This function sets the window title, encoded as UTF-8, of the specified + * window. + * + * @param[in] window The window whose title to change. + * @param[in] title The UTF-8 encoded window title. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @macos The window title will not be updated until the next time you + * process events. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_title + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowTitle(GLFWwindow* window, const char* title); + +/*! @brief Sets the icon for the specified window. + * + * This function sets the icon of the specified window. If passed an array of + * candidate images, those of or closest to the sizes desired by the system are + * selected. If no images are specified, the window reverts to its default + * icon. + * + * The pixels are 32-bit, little-endian, non-premultiplied RGBA, i.e. eight + * bits per channel with the red channel first. They are arranged canonically + * as packed sequential rows, starting from the top-left corner. + * + * The desired image sizes varies depending on platform and system settings. + * The selected images will be rescaled as needed. Good sizes include 16x16, + * 32x32 and 48x48. + * + * @param[in] window The window whose icon to set. + * @param[in] count The number of images in the specified array, or zero to + * revert to the default window icon. + * @param[in] images The images to create the icon from. This is ignored if + * count is zero. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The specified image data is copied before this function + * returns. + * + * @remark @macos The GLFW window has no icon, as it is not a document + * window, so this function does nothing. The dock icon will be the same as + * the application bundle's icon. For more information on bundles, see the + * [Bundle Programming Guide](https://developer.apple.com/library/mac/documentation/CoreFoundation/Conceptual/CFBundles/) + * in the Mac Developer Library. + * + * @remark @wayland There is no existing protocol to change an icon, the + * window will thus inherit the one defined in the application's desktop file. + * This function always emits @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_icon + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowIcon(GLFWwindow* window, int count, const GLFWimage* images); + +/*! @brief Retrieves the position of the content area of the specified window. + * + * This function retrieves the position, in screen coordinates, of the + * upper-left corner of the content area of the specified window. + * + * Any or all of the position arguments may be `NULL`. If an error occurs, all + * non-`NULL` position arguments will be set to zero. + * + * @param[in] window The window to query. + * @param[out] xpos Where to store the x-coordinate of the upper-left corner of + * the content area, or `NULL`. + * @param[out] ypos Where to store the y-coordinate of the upper-left corner of + * the content area, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @wayland There is no way for an application to retrieve the global + * position of its windows, this function will always emit @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_pos + * @sa @ref glfwSetWindowPos + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwGetWindowPos(GLFWwindow* window, int* xpos, int* ypos); + +/*! @brief Sets the position of the content area of the specified window. + * + * This function sets the position, in screen coordinates, of the upper-left + * corner of the content area of the specified windowed mode window. If the + * window is a full screen window, this function does nothing. + * + * __Do not use this function__ to move an already visible window unless you + * have very good reasons for doing so, as it will confuse and annoy the user. + * + * The window manager may put limits on what positions are allowed. GLFW + * cannot and should not override these limits. + * + * @param[in] window The window to query. + * @param[in] xpos The x-coordinate of the upper-left corner of the content area. + * @param[in] ypos The y-coordinate of the upper-left corner of the content area. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @wayland There is no way for an application to set the global + * position of its windows, this function will always emit @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_pos + * @sa @ref glfwGetWindowPos + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowPos(GLFWwindow* window, int xpos, int ypos); + +/*! @brief Retrieves the size of the content area of the specified window. + * + * This function retrieves the size, in screen coordinates, of the content area + * of the specified window. If you wish to retrieve the size of the + * framebuffer of the window in pixels, see @ref glfwGetFramebufferSize. + * + * Any or all of the size arguments may be `NULL`. If an error occurs, all + * non-`NULL` size arguments will be set to zero. + * + * @param[in] window The window whose size to retrieve. + * @param[out] width Where to store the width, in screen coordinates, of the + * content area, or `NULL`. + * @param[out] height Where to store the height, in screen coordinates, of the + * content area, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_size + * @sa @ref glfwSetWindowSize + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwGetWindowSize(GLFWwindow* window, int* width, int* height); + +/*! @brief Sets the size limits of the specified window. + * + * This function sets the size limits of the content area of the specified + * window. If the window is full screen, the size limits only take effect + * once it is made windowed. If the window is not resizable, this function + * does nothing. + * + * The size limits are applied immediately to a windowed mode window and may + * cause it to be resized. + * + * The maximum dimensions must be greater than or equal to the minimum + * dimensions and all must be greater than or equal to zero. + * + * @param[in] window The window to set limits for. + * @param[in] minwidth The minimum width, in screen coordinates, of the content + * area, or `GLFW_DONT_CARE`. + * @param[in] minheight The minimum height, in screen coordinates, of the + * content area, or `GLFW_DONT_CARE`. + * @param[in] maxwidth The maximum width, in screen coordinates, of the content + * area, or `GLFW_DONT_CARE`. + * @param[in] maxheight The maximum height, in screen coordinates, of the + * content area, or `GLFW_DONT_CARE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. + * + * @remark If you set size limits and an aspect ratio that conflict, the + * results are undefined. + * + * @remark @wayland The size limits will not be applied until the window is + * actually resized, either by the user or by the compositor. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_sizelimits + * @sa @ref glfwSetWindowAspectRatio + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowSizeLimits(GLFWwindow* window, int minwidth, int minheight, int maxwidth, int maxheight); + +/*! @brief Sets the aspect ratio of the specified window. + * + * This function sets the required aspect ratio of the content area of the + * specified window. If the window is full screen, the aspect ratio only takes + * effect once it is made windowed. If the window is not resizable, this + * function does nothing. + * + * The aspect ratio is specified as a numerator and a denominator and both + * values must be greater than zero. For example, the common 16:9 aspect ratio + * is specified as 16 and 9, respectively. + * + * If the numerator and denominator is set to `GLFW_DONT_CARE` then the aspect + * ratio limit is disabled. + * + * The aspect ratio is applied immediately to a windowed mode window and may + * cause it to be resized. + * + * @param[in] window The window to set limits for. + * @param[in] numer The numerator of the desired aspect ratio, or + * `GLFW_DONT_CARE`. + * @param[in] denom The denominator of the desired aspect ratio, or + * `GLFW_DONT_CARE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. + * + * @remark If you set size limits and an aspect ratio that conflict, the + * results are undefined. + * + * @remark @wayland The aspect ratio will not be applied until the window is + * actually resized, either by the user or by the compositor. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_sizelimits + * @sa @ref glfwSetWindowSizeLimits + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowAspectRatio(GLFWwindow* window, int numer, int denom); + +/*! @brief Sets the size of the content area of the specified window. + * + * This function sets the size, in screen coordinates, of the content area of + * the specified window. + * + * For full screen windows, this function updates the resolution of its desired + * video mode and switches to the video mode closest to it, without affecting + * the window's context. As the context is unaffected, the bit depths of the + * framebuffer remain unchanged. + * + * If you wish to update the refresh rate of the desired video mode in addition + * to its resolution, see @ref glfwSetWindowMonitor. + * + * The window manager may put limits on what sizes are allowed. GLFW cannot + * and should not override these limits. + * + * @param[in] window The window to resize. + * @param[in] width The desired width, in screen coordinates, of the window + * content area. + * @param[in] height The desired height, in screen coordinates, of the window + * content area. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @wayland A full screen window will not attempt to change the mode, + * no matter what the requested size. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_size + * @sa @ref glfwGetWindowSize + * @sa @ref glfwSetWindowMonitor + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowSize(GLFWwindow* window, int width, int height); + +/*! @brief Retrieves the size of the framebuffer of the specified window. + * + * This function retrieves the size, in pixels, of the framebuffer of the + * specified window. If you wish to retrieve the size of the window in screen + * coordinates, see @ref glfwGetWindowSize. + * + * Any or all of the size arguments may be `NULL`. If an error occurs, all + * non-`NULL` size arguments will be set to zero. + * + * @param[in] window The window whose framebuffer to query. + * @param[out] width Where to store the width, in pixels, of the framebuffer, + * or `NULL`. + * @param[out] height Where to store the height, in pixels, of the framebuffer, + * or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_fbsize + * @sa @ref glfwSetFramebufferSizeCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwGetFramebufferSize(GLFWwindow* window, int* width, int* height); + +/*! @brief Retrieves the size of the frame of the window. + * + * This function retrieves the size, in screen coordinates, of each edge of the + * frame of the specified window. This size includes the title bar, if the + * window has one. The size of the frame may vary depending on the + * [window-related hints](@ref window_hints_wnd) used to create it. + * + * Because this function retrieves the size of each window frame edge and not + * the offset along a particular coordinate axis, the retrieved values will + * always be zero or positive. + * + * Any or all of the size arguments may be `NULL`. If an error occurs, all + * non-`NULL` size arguments will be set to zero. + * + * @param[in] window The window whose frame size to query. + * @param[out] left Where to store the size, in screen coordinates, of the left + * edge of the window frame, or `NULL`. + * @param[out] top Where to store the size, in screen coordinates, of the top + * edge of the window frame, or `NULL`. + * @param[out] right Where to store the size, in screen coordinates, of the + * right edge of the window frame, or `NULL`. + * @param[out] bottom Where to store the size, in screen coordinates, of the + * bottom edge of the window frame, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_size + * + * @since Added in version 3.1. + * + * @ingroup window + */ +GLFWAPI void glfwGetWindowFrameSize(GLFWwindow* window, int* left, int* top, int* right, int* bottom); + +/*! @brief Retrieves the content scale for the specified window. + * + * This function retrieves the content scale for the specified window. The + * content scale is the ratio between the current DPI and the platform's + * default DPI. This is especially important for text and any UI elements. If + * the pixel dimensions of your UI scaled by this look appropriate on your + * machine then it should appear at a reasonable size on other machines + * regardless of their DPI and scaling settings. This relies on the system DPI + * and scaling settings being somewhat correct. + * + * On systems where each monitors can have its own content scale, the window + * content scale will depend on which monitor the system considers the window + * to be on. + * + * @param[in] window The window to query. + * @param[out] xscale Where to store the x-axis content scale, or `NULL`. + * @param[out] yscale Where to store the y-axis content scale, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_scale + * @sa @ref glfwSetWindowContentScaleCallback + * @sa @ref glfwGetMonitorContentScale + * + * @since Added in version 3.3. + * + * @ingroup window + */ +GLFWAPI void glfwGetWindowContentScale(GLFWwindow* window, float* xscale, float* yscale); + +/*! @brief Returns the opacity of the whole window. + * + * This function returns the opacity of the window, including any decorations. + * + * The opacity (or alpha) value is a positive finite number between zero and + * one, where zero is fully transparent and one is fully opaque. If the system + * does not support whole window transparency, this function always returns one. + * + * The initial opacity value for newly created windows is one. + * + * @param[in] window The window to query. + * @return The opacity value of the specified window. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_transparency + * @sa @ref glfwSetWindowOpacity + * + * @since Added in version 3.3. + * + * @ingroup window + */ +GLFWAPI float glfwGetWindowOpacity(GLFWwindow* window); + +/*! @brief Sets the opacity of the whole window. + * + * This function sets the opacity of the window, including any decorations. + * + * The opacity (or alpha) value is a positive finite number between zero and + * one, where zero is fully transparent and one is fully opaque. + * + * The initial opacity value for newly created windows is one. + * + * A window created with framebuffer transparency may not use whole window + * transparency. The results of doing this are undefined. + * + * @param[in] window The window to set the opacity for. + * @param[in] opacity The desired opacity of the specified window. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_transparency + * @sa @ref glfwGetWindowOpacity + * + * @since Added in version 3.3. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowOpacity(GLFWwindow* window, float opacity); + +/*! @brief Iconifies the specified window. + * + * This function iconifies (minimizes) the specified window if it was + * previously restored. If the window is already iconified, this function does + * nothing. + * + * If the specified window is a full screen window, the original monitor + * resolution is restored until the window is restored. + * + * @param[in] window The window to iconify. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @wayland There is no concept of iconification in wl_shell, this + * function will emit @ref GLFW_PLATFORM_ERROR when using this deprecated + * protocol. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_iconify + * @sa @ref glfwRestoreWindow + * @sa @ref glfwMaximizeWindow + * + * @since Added in version 2.1. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwIconifyWindow(GLFWwindow* window); + +/*! @brief Restores the specified window. + * + * This function restores the specified window if it was previously iconified + * (minimized) or maximized. If the window is already restored, this function + * does nothing. + * + * If the specified window is a full screen window, the resolution chosen for + * the window is restored on the selected monitor. + * + * @param[in] window The window to restore. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_iconify + * @sa @ref glfwIconifyWindow + * @sa @ref glfwMaximizeWindow + * + * @since Added in version 2.1. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwRestoreWindow(GLFWwindow* window); + +/*! @brief Maximizes the specified window. + * + * This function maximizes the specified window if it was previously not + * maximized. If the window is already maximized, this function does nothing. + * + * If the specified window is a full screen window, this function does nothing. + * + * @param[in] window The window to maximize. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @par Thread Safety + * This function may only be called from the main thread. + * + * @sa @ref window_iconify + * @sa @ref glfwIconifyWindow + * @sa @ref glfwRestoreWindow + * + * @since Added in GLFW 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwMaximizeWindow(GLFWwindow* window); + +/*! @brief Makes the specified window visible. + * + * This function makes the specified window visible if it was previously + * hidden. If the window is already visible or is in full screen mode, this + * function does nothing. + * + * By default, windowed mode windows are focused when shown + * Set the [GLFW_FOCUS_ON_SHOW](@ref GLFW_FOCUS_ON_SHOW_hint) window hint + * to change this behavior for all newly created windows, or change the + * behavior for an existing window with @ref glfwSetWindowAttrib. + * + * @param[in] window The window to make visible. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hide + * @sa @ref glfwHideWindow + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwShowWindow(GLFWwindow* window); + +/*! @brief Hides the specified window. + * + * This function hides the specified window if it was previously visible. If + * the window is already hidden or is in full screen mode, this function does + * nothing. + * + * @param[in] window The window to hide. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hide + * @sa @ref glfwShowWindow + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwHideWindow(GLFWwindow* window); + +/*! @brief Brings the specified window to front and sets input focus. + * + * This function brings the specified window to front and sets input focus. + * The window should already be visible and not iconified. + * + * By default, both windowed and full screen mode windows are focused when + * initially created. Set the [GLFW_FOCUSED](@ref GLFW_FOCUSED_hint) to + * disable this behavior. + * + * Also by default, windowed mode windows are focused when shown + * with @ref glfwShowWindow. Set the + * [GLFW_FOCUS_ON_SHOW](@ref GLFW_FOCUS_ON_SHOW_hint) to disable this behavior. + * + * __Do not use this function__ to steal focus from other applications unless + * you are certain that is what the user wants. Focus stealing can be + * extremely disruptive. + * + * For a less disruptive way of getting the user's attention, see + * [attention requests](@ref window_attention). + * + * @param[in] window The window to give input focus. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @wayland It is not possible for an application to bring its windows + * to front, this function will always emit @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_focus + * @sa @ref window_attention + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwFocusWindow(GLFWwindow* window); + +/*! @brief Requests user attention to the specified window. + * + * This function requests user attention to the specified window. On + * platforms where this is not supported, attention is requested to the + * application as a whole. + * + * Once the user has given attention, usually by focusing the window or + * application, the system will end the request automatically. + * + * @param[in] window The window to request attention to. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @macos Attention is requested to the application as a whole, not the + * specific window. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_attention + * + * @since Added in version 3.3. + * + * @ingroup window + */ +GLFWAPI void glfwRequestWindowAttention(GLFWwindow* window); + +/*! @brief Returns the monitor that the window uses for full screen mode. + * + * This function returns the handle of the monitor that the specified window is + * in full screen on. + * + * @param[in] window The window to query. + * @return The monitor, or `NULL` if the window is in windowed mode or an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_monitor + * @sa @ref glfwSetWindowMonitor + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* window); + +/*! @brief Sets the mode, monitor, video mode and placement of a window. + * + * This function sets the monitor that the window uses for full screen mode or, + * if the monitor is `NULL`, makes it windowed mode. + * + * When setting a monitor, this function updates the width, height and refresh + * rate of the desired video mode and switches to the video mode closest to it. + * The window position is ignored when setting a monitor. + * + * When the monitor is `NULL`, the position, width and height are used to + * place the window content area. The refresh rate is ignored when no monitor + * is specified. + * + * If you only wish to update the resolution of a full screen window or the + * size of a windowed mode window, see @ref glfwSetWindowSize. + * + * When a window transitions from full screen to windowed mode, this function + * restores any previous window settings such as whether it is decorated, + * floating, resizable, has size or aspect ratio limits, etc. + * + * @param[in] window The window whose monitor, size or video mode to set. + * @param[in] monitor The desired monitor, or `NULL` to set windowed mode. + * @param[in] xpos The desired x-coordinate of the upper-left corner of the + * content area. + * @param[in] ypos The desired y-coordinate of the upper-left corner of the + * content area. + * @param[in] width The desired with, in screen coordinates, of the content + * area or video mode. + * @param[in] height The desired height, in screen coordinates, of the content + * area or video mode. + * @param[in] refreshRate The desired refresh rate, in Hz, of the video mode, + * or `GLFW_DONT_CARE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark The OpenGL or OpenGL ES context will not be destroyed or otherwise + * affected by any resizing or mode switching, although you may need to update + * your viewport if the framebuffer size has changed. + * + * @remark @wayland The desired window position is ignored, as there is no way + * for an application to set this property. + * + * @remark @wayland Setting the window to full screen will not attempt to + * change the mode, no matter what the requested size or refresh rate. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_monitor + * @sa @ref window_full_screen + * @sa @ref glfwGetWindowMonitor + * @sa @ref glfwSetWindowSize + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowMonitor(GLFWwindow* window, GLFWmonitor* monitor, int xpos, int ypos, int width, int height, int refreshRate); + +/*! @brief Returns an attribute of the specified window. + * + * This function returns the value of an attribute of the specified window or + * its OpenGL or OpenGL ES context. + * + * @param[in] window The window to query. + * @param[in] attrib The [window attribute](@ref window_attribs) whose value to + * return. + * @return The value of the attribute, or zero if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @remark Framebuffer related hints are not window attributes. See @ref + * window_attribs_fb for more information. + * + * @remark Zero is a valid value for many window and context related + * attributes so you cannot use a return value of zero as an indication of + * errors. However, this function should not fail as long as it is passed + * valid arguments and the library has been [initialized](@ref intro_init). + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_attribs + * @sa @ref glfwSetWindowAttrib + * + * @since Added in version 3.0. Replaces `glfwGetWindowParam` and + * `glfwGetGLVersion`. + * + * @ingroup window + */ +GLFWAPI int glfwGetWindowAttrib(GLFWwindow* window, int attrib); + +/*! @brief Sets an attribute of the specified window. + * + * This function sets the value of an attribute of the specified window. + * + * The supported attributes are [GLFW_DECORATED](@ref GLFW_DECORATED_attrib), + * [GLFW_RESIZABLE](@ref GLFW_RESIZABLE_attrib), + * [GLFW_FLOATING](@ref GLFW_FLOATING_attrib), + * [GLFW_AUTO_ICONIFY](@ref GLFW_AUTO_ICONIFY_attrib) and + * [GLFW_FOCUS_ON_SHOW](@ref GLFW_FOCUS_ON_SHOW_attrib). + * + * Some of these attributes are ignored for full screen windows. The new + * value will take effect if the window is later made windowed. + * + * Some of these attributes are ignored for windowed mode windows. The new + * value will take effect if the window is later made full screen. + * + * @param[in] window The window to set the attribute for. + * @param[in] attrib A supported window attribute. + * @param[in] value `GLFW_TRUE` or `GLFW_FALSE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM, @ref GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. + * + * @remark Calling @ref glfwGetWindowAttrib will always return the latest + * value, even if that value is ignored by the current mode of the window. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_attribs + * @sa @ref glfwGetWindowAttrib + * + * @since Added in version 3.3. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowAttrib(GLFWwindow* window, int attrib, int value); + +/*! @brief Sets the user pointer of the specified window. + * + * This function sets the user-defined pointer of the specified window. The + * current value is retained until the window is destroyed. The initial value + * is `NULL`. + * + * @param[in] window The window whose pointer to set. + * @param[in] pointer The new value. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref window_userptr + * @sa @ref glfwGetWindowUserPointer + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowUserPointer(GLFWwindow* window, void* pointer); + +/*! @brief Returns the user pointer of the specified window. + * + * This function returns the current value of the user-defined pointer of the + * specified window. The initial value is `NULL`. + * + * @param[in] window The window whose pointer to return. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref window_userptr + * @sa @ref glfwSetWindowUserPointer + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* window); + +/*! @brief Sets the position callback for the specified window. + * + * This function sets the position callback of the specified window, which is + * called when the window is moved. The callback is provided with the + * position, in screen coordinates, of the upper-left corner of the content + * area of the window. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @remark @wayland This callback will never be called, as there is no way for + * an application to know its global position. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_pos + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* window, GLFWwindowposfun cbfun); + +/*! @brief Sets the size callback for the specified window. + * + * This function sets the size callback of the specified window, which is + * called when the window is resized. The callback is provided with the size, + * in screen coordinates, of the content area of the window. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_size + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup window + */ +GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* window, GLFWwindowsizefun cbfun); + +/*! @brief Sets the close callback for the specified window. + * + * This function sets the close callback of the specified window, which is + * called when the user attempts to close the window, for example by clicking + * the close widget in the title bar. + * + * The close flag is set before this callback is called, but you can modify it + * at any time with @ref glfwSetWindowShouldClose. + * + * The close callback is not triggered by @ref glfwDestroyWindow. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @remark @macos Selecting Quit from the application menu will trigger the + * close callback for all windows. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_close + * + * @since Added in version 2.5. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup window + */ +GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwindowclosefun cbfun); + +/*! @brief Sets the refresh callback for the specified window. + * + * This function sets the refresh callback of the specified window, which is + * called when the content area of the window needs to be redrawn, for example + * if the window has been exposed after having been covered by another window. + * + * On compositing window systems such as Aero, Compiz, Aqua or Wayland, where + * the window contents are saved off-screen, this callback may be called only + * very infrequently or never at all. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_refresh + * + * @since Added in version 2.5. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup window + */ +GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshfun cbfun); + +/*! @brief Sets the focus callback for the specified window. + * + * This function sets the focus callback of the specified window, which is + * called when the window gains or loses input focus. + * + * After the focus callback is called for a window that lost input focus, + * synthetic key and mouse button release events will be generated for all such + * that had been pressed. For more information, see @ref glfwSetKeyCallback + * and @ref glfwSetMouseButtonCallback. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_focus + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwindowfocusfun cbfun); + +/*! @brief Sets the iconify callback for the specified window. + * + * This function sets the iconification callback of the specified window, which + * is called when the window is iconified or restored. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @remark @wayland The wl_shell protocol has no concept of iconification, + * this callback will never be called when using this deprecated protocol. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_iconify + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* window, GLFWwindowiconifyfun cbfun); + +/*! @brief Sets the maximize callback for the specified window. + * + * This function sets the maximization callback of the specified window, which + * is called when the window is maximized or restored. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_maximize + * + * @since Added in version 3.3. + * + * @ingroup window + */ +GLFWAPI GLFWwindowmaximizefun glfwSetWindowMaximizeCallback(GLFWwindow* window, GLFWwindowmaximizefun cbfun); + +/*! @brief Sets the framebuffer resize callback for the specified window. + * + * This function sets the framebuffer resize callback of the specified window, + * which is called when the framebuffer of the specified window is resized. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_fbsize + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* window, GLFWframebuffersizefun cbfun); + +/*! @brief Sets the window content scale callback for the specified window. + * + * This function sets the window content scale callback of the specified window, + * which is called when the content scale of the specified window changes. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_scale + * @sa @ref glfwGetWindowContentScale + * + * @since Added in version 3.3. + * + * @ingroup window + */ +GLFWAPI GLFWwindowcontentscalefun glfwSetWindowContentScaleCallback(GLFWwindow* window, GLFWwindowcontentscalefun cbfun); + +/*! @brief Processes all pending events. + * + * This function processes only those events that are already in the event + * queue and then returns immediately. Processing events will cause the window + * and input callbacks associated with those events to be called. + * + * On some platforms, a window move, resize or menu operation will cause event + * processing to block. This is due to how event processing is designed on + * those platforms. You can use the + * [window refresh callback](@ref window_refresh) to redraw the contents of + * your window when necessary during such operations. + * + * Do not assume that callbacks you set will _only_ be called in response to + * event processing functions like this one. While it is necessary to poll for + * events, window systems that require GLFW to register callbacks of its own + * can pass events to GLFW in response to many window system function calls. + * GLFW will pass those events on to the application callbacks before + * returning. + * + * Event processing is not required for joystick input to work. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref events + * @sa @ref glfwWaitEvents + * @sa @ref glfwWaitEventsTimeout + * + * @since Added in version 1.0. + * + * @ingroup window + */ +GLFWAPI void glfwPollEvents(void); + +/*! @brief Waits until events are queued and processes them. + * + * This function puts the calling thread to sleep until at least one event is + * available in the event queue. Once one or more events are available, + * it behaves exactly like @ref glfwPollEvents, i.e. the events in the queue + * are processed and the function then returns immediately. Processing events + * will cause the window and input callbacks associated with those events to be + * called. + * + * Since not all events are associated with callbacks, this function may return + * without a callback having been called even if you are monitoring all + * callbacks. + * + * On some platforms, a window move, resize or menu operation will cause event + * processing to block. This is due to how event processing is designed on + * those platforms. You can use the + * [window refresh callback](@ref window_refresh) to redraw the contents of + * your window when necessary during such operations. + * + * Do not assume that callbacks you set will _only_ be called in response to + * event processing functions like this one. While it is necessary to poll for + * events, window systems that require GLFW to register callbacks of its own + * can pass events to GLFW in response to many window system function calls. + * GLFW will pass those events on to the application callbacks before + * returning. + * + * Event processing is not required for joystick input to work. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref events + * @sa @ref glfwPollEvents + * @sa @ref glfwWaitEventsTimeout + * + * @since Added in version 2.5. + * + * @ingroup window + */ +GLFWAPI void glfwWaitEvents(void); + +/*! @brief Waits with timeout until events are queued and processes them. + * + * This function puts the calling thread to sleep until at least one event is + * available in the event queue, or until the specified timeout is reached. If + * one or more events are available, it behaves exactly like @ref + * glfwPollEvents, i.e. the events in the queue are processed and the function + * then returns immediately. Processing events will cause the window and input + * callbacks associated with those events to be called. + * + * The timeout value must be a positive finite number. + * + * Since not all events are associated with callbacks, this function may return + * without a callback having been called even if you are monitoring all + * callbacks. + * + * On some platforms, a window move, resize or menu operation will cause event + * processing to block. This is due to how event processing is designed on + * those platforms. You can use the + * [window refresh callback](@ref window_refresh) to redraw the contents of + * your window when necessary during such operations. + * + * Do not assume that callbacks you set will _only_ be called in response to + * event processing functions like this one. While it is necessary to poll for + * events, window systems that require GLFW to register callbacks of its own + * can pass events to GLFW in response to many window system function calls. + * GLFW will pass those events on to the application callbacks before + * returning. + * + * Event processing is not required for joystick input to work. + * + * @param[in] timeout The maximum amount of time, in seconds, to wait. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref events + * @sa @ref glfwPollEvents + * @sa @ref glfwWaitEvents + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwWaitEventsTimeout(double timeout); + +/*! @brief Posts an empty event to the event queue. + * + * This function posts an empty event from the current thread to the event + * queue, causing @ref glfwWaitEvents or @ref glfwWaitEventsTimeout to return. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref events + * @sa @ref glfwWaitEvents + * @sa @ref glfwWaitEventsTimeout + * + * @since Added in version 3.1. + * + * @ingroup window + */ +GLFWAPI void glfwPostEmptyEvent(void); + +/*! @brief Returns the value of an input option for the specified window. + * + * This function returns the value of an input option for the specified window. + * The mode must be one of @ref GLFW_CURSOR, @ref GLFW_STICKY_KEYS, + * @ref GLFW_STICKY_MOUSE_BUTTONS, @ref GLFW_LOCK_KEY_MODS or + * @ref GLFW_RAW_MOUSE_MOTION. + * + * @param[in] window The window to query. + * @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS`, + * `GLFW_STICKY_MOUSE_BUTTONS`, `GLFW_LOCK_KEY_MODS` or + * `GLFW_RAW_MOUSE_MOTION`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref glfwSetInputMode + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI int glfwGetInputMode(GLFWwindow* window, int mode); + +/*! @brief Sets an input option for the specified window. + * + * This function sets an input mode option for the specified window. The mode + * must be one of @ref GLFW_CURSOR, @ref GLFW_STICKY_KEYS, + * @ref GLFW_STICKY_MOUSE_BUTTONS, @ref GLFW_LOCK_KEY_MODS or + * @ref GLFW_RAW_MOUSE_MOTION. + * + * If the mode is `GLFW_CURSOR`, the value must be one of the following cursor + * modes: + * - `GLFW_CURSOR_NORMAL` makes the cursor visible and behaving normally. + * - `GLFW_CURSOR_HIDDEN` makes the cursor invisible when it is over the + * content area of the window but does not restrict the cursor from leaving. + * - `GLFW_CURSOR_DISABLED` hides and grabs the cursor, providing virtual + * and unlimited cursor movement. This is useful for implementing for + * example 3D camera controls. + * + * If the mode is `GLFW_STICKY_KEYS`, the value must be either `GLFW_TRUE` to + * enable sticky keys, or `GLFW_FALSE` to disable it. If sticky keys are + * enabled, a key press will ensure that @ref glfwGetKey returns `GLFW_PRESS` + * the next time it is called even if the key had been released before the + * call. This is useful when you are only interested in whether keys have been + * pressed but not when or in which order. + * + * If the mode is `GLFW_STICKY_MOUSE_BUTTONS`, the value must be either + * `GLFW_TRUE` to enable sticky mouse buttons, or `GLFW_FALSE` to disable it. + * If sticky mouse buttons are enabled, a mouse button press will ensure that + * @ref glfwGetMouseButton returns `GLFW_PRESS` the next time it is called even + * if the mouse button had been released before the call. This is useful when + * you are only interested in whether mouse buttons have been pressed but not + * when or in which order. + * + * If the mode is `GLFW_LOCK_KEY_MODS`, the value must be either `GLFW_TRUE` to + * enable lock key modifier bits, or `GLFW_FALSE` to disable them. If enabled, + * callbacks that receive modifier bits will also have the @ref + * GLFW_MOD_CAPS_LOCK bit set when the event was generated with Caps Lock on, + * and the @ref GLFW_MOD_NUM_LOCK bit when Num Lock was on. + * + * If the mode is `GLFW_RAW_MOUSE_MOTION`, the value must be either `GLFW_TRUE` + * to enable raw (unscaled and unaccelerated) mouse motion when the cursor is + * disabled, or `GLFW_FALSE` to disable it. If raw motion is not supported, + * attempting to set this will emit @ref GLFW_PLATFORM_ERROR. Call @ref + * glfwRawMouseMotionSupported to check for support. + * + * @param[in] window The window whose input mode to set. + * @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS`, + * `GLFW_STICKY_MOUSE_BUTTONS`, `GLFW_LOCK_KEY_MODS` or + * `GLFW_RAW_MOUSE_MOTION`. + * @param[in] value The new value of the specified input mode. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref glfwGetInputMode + * + * @since Added in version 3.0. Replaces `glfwEnable` and `glfwDisable`. + * + * @ingroup input + */ +GLFWAPI void glfwSetInputMode(GLFWwindow* window, int mode, int value); + +/*! @brief Returns whether raw mouse motion is supported. + * + * This function returns whether raw mouse motion is supported on the current + * system. This status does not change after GLFW has been initialized so you + * only need to check this once. If you attempt to enable raw motion on + * a system that does not support it, @ref GLFW_PLATFORM_ERROR will be emitted. + * + * Raw mouse motion is closer to the actual motion of the mouse across + * a surface. It is not affected by the scaling and acceleration applied to + * the motion of the desktop cursor. That processing is suitable for a cursor + * while raw motion is better for controlling for example a 3D camera. Because + * of this, raw mouse motion is only provided when the cursor is disabled. + * + * @return `GLFW_TRUE` if raw mouse motion is supported on the current machine, + * or `GLFW_FALSE` otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref raw_mouse_motion + * @sa @ref glfwSetInputMode + * + * @since Added in version 3.3. + * + * @ingroup input + */ +GLFWAPI int glfwRawMouseMotionSupported(void); + +/*! @brief Returns the layout-specific name of the specified printable key. + * + * This function returns the name of the specified printable key, encoded as + * UTF-8. This is typically the character that key would produce without any + * modifier keys, intended for displaying key bindings to the user. For dead + * keys, it is typically the diacritic it would add to a character. + * + * __Do not use this function__ for [text input](@ref input_char). You will + * break text input for many languages even if it happens to work for yours. + * + * If the key is `GLFW_KEY_UNKNOWN`, the scancode is used to identify the key, + * otherwise the scancode is ignored. If you specify a non-printable key, or + * `GLFW_KEY_UNKNOWN` and a scancode that maps to a non-printable key, this + * function returns `NULL` but does not emit an error. + * + * This behavior allows you to always pass in the arguments in the + * [key callback](@ref input_key) without modification. + * + * The printable keys are: + * - `GLFW_KEY_APOSTROPHE` + * - `GLFW_KEY_COMMA` + * - `GLFW_KEY_MINUS` + * - `GLFW_KEY_PERIOD` + * - `GLFW_KEY_SLASH` + * - `GLFW_KEY_SEMICOLON` + * - `GLFW_KEY_EQUAL` + * - `GLFW_KEY_LEFT_BRACKET` + * - `GLFW_KEY_RIGHT_BRACKET` + * - `GLFW_KEY_BACKSLASH` + * - `GLFW_KEY_WORLD_1` + * - `GLFW_KEY_WORLD_2` + * - `GLFW_KEY_0` to `GLFW_KEY_9` + * - `GLFW_KEY_A` to `GLFW_KEY_Z` + * - `GLFW_KEY_KP_0` to `GLFW_KEY_KP_9` + * - `GLFW_KEY_KP_DECIMAL` + * - `GLFW_KEY_KP_DIVIDE` + * - `GLFW_KEY_KP_MULTIPLY` + * - `GLFW_KEY_KP_SUBTRACT` + * - `GLFW_KEY_KP_ADD` + * - `GLFW_KEY_KP_EQUAL` + * + * Names for printable keys depend on keyboard layout, while names for + * non-printable keys are the same across layouts but depend on the application + * language and should be localized along with other user interface text. + * + * @param[in] key The key to query, or `GLFW_KEY_UNKNOWN`. + * @param[in] scancode The scancode of the key to query. + * @return The UTF-8 encoded, layout-specific name of the key, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the next call to @ref + * glfwGetKeyName, or until the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_key_name + * + * @since Added in version 3.2. + * + * @ingroup input + */ +GLFWAPI const char* glfwGetKeyName(int key, int scancode); + +/*! @brief Returns the platform-specific scancode of the specified key. + * + * This function returns the platform-specific scancode of the specified key. + * + * If the key is `GLFW_KEY_UNKNOWN` or does not exist on the keyboard this + * method will return `-1`. + * + * @param[in] key Any [named key](@ref keys). + * @return The platform-specific scancode for the key, or `-1` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref input_key + * + * @since Added in version 3.3. + * + * @ingroup input + */ +GLFWAPI int glfwGetKeyScancode(int key); + +/*! @brief Returns the last reported state of a keyboard key for the specified + * window. + * + * This function returns the last state reported for the specified key to the + * specified window. The returned state is one of `GLFW_PRESS` or + * `GLFW_RELEASE`. The higher-level action `GLFW_REPEAT` is only reported to + * the key callback. + * + * If the @ref GLFW_STICKY_KEYS input mode is enabled, this function returns + * `GLFW_PRESS` the first time you call it for a key that was pressed, even if + * that key has already been released. + * + * The key functions deal with physical keys, with [key tokens](@ref keys) + * named after their use on the standard US keyboard layout. If you want to + * input text, use the Unicode character callback instead. + * + * The [modifier key bit masks](@ref mods) are not key tokens and cannot be + * used with this function. + * + * __Do not use this function__ to implement [text input](@ref input_char). + * + * @param[in] window The desired window. + * @param[in] key The desired [keyboard key](@ref keys). `GLFW_KEY_UNKNOWN` is + * not a valid key for this function. + * @return One of `GLFW_PRESS` or `GLFW_RELEASE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_key + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup input + */ +GLFWAPI int glfwGetKey(GLFWwindow* window, int key); + +/*! @brief Returns the last reported state of a mouse button for the specified + * window. + * + * This function returns the last state reported for the specified mouse button + * to the specified window. The returned state is one of `GLFW_PRESS` or + * `GLFW_RELEASE`. + * + * If the @ref GLFW_STICKY_MOUSE_BUTTONS input mode is enabled, this function + * returns `GLFW_PRESS` the first time you call it for a mouse button that was + * pressed, even if that mouse button has already been released. + * + * @param[in] window The desired window. + * @param[in] button The desired [mouse button](@ref buttons). + * @return One of `GLFW_PRESS` or `GLFW_RELEASE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_mouse_button + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup input + */ +GLFWAPI int glfwGetMouseButton(GLFWwindow* window, int button); + +/*! @brief Retrieves the position of the cursor relative to the content area of + * the window. + * + * This function returns the position of the cursor, in screen coordinates, + * relative to the upper-left corner of the content area of the specified + * window. + * + * If the cursor is disabled (with `GLFW_CURSOR_DISABLED`) then the cursor + * position is unbounded and limited only by the minimum and maximum values of + * a `double`. + * + * The coordinate can be converted to their integer equivalents with the + * `floor` function. Casting directly to an integer type works for positive + * coordinates, but fails for negative ones. + * + * Any or all of the position arguments may be `NULL`. If an error occurs, all + * non-`NULL` position arguments will be set to zero. + * + * @param[in] window The desired window. + * @param[out] xpos Where to store the cursor x-coordinate, relative to the + * left edge of the content area, or `NULL`. + * @param[out] ypos Where to store the cursor y-coordinate, relative to the to + * top edge of the content area, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_pos + * @sa @ref glfwSetCursorPos + * + * @since Added in version 3.0. Replaces `glfwGetMousePos`. + * + * @ingroup input + */ +GLFWAPI void glfwGetCursorPos(GLFWwindow* window, double* xpos, double* ypos); + +/*! @brief Sets the position of the cursor, relative to the content area of the + * window. + * + * This function sets the position, in screen coordinates, of the cursor + * relative to the upper-left corner of the content area of the specified + * window. The window must have input focus. If the window does not have + * input focus when this function is called, it fails silently. + * + * __Do not use this function__ to implement things like camera controls. GLFW + * already provides the `GLFW_CURSOR_DISABLED` cursor mode that hides the + * cursor, transparently re-centers it and provides unconstrained cursor + * motion. See @ref glfwSetInputMode for more information. + * + * If the cursor mode is `GLFW_CURSOR_DISABLED` then the cursor position is + * unconstrained and limited only by the minimum and maximum values of + * a `double`. + * + * @param[in] window The desired window. + * @param[in] xpos The desired x-coordinate, relative to the left edge of the + * content area. + * @param[in] ypos The desired y-coordinate, relative to the top edge of the + * content area. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @wayland This function will only work when the cursor mode is + * `GLFW_CURSOR_DISABLED`, otherwise it will do nothing. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_pos + * @sa @ref glfwGetCursorPos + * + * @since Added in version 3.0. Replaces `glfwSetMousePos`. + * + * @ingroup input + */ +GLFWAPI void glfwSetCursorPos(GLFWwindow* window, double xpos, double ypos); + +/*! @brief Creates a custom cursor. + * + * Creates a new custom cursor image that can be set for a window with @ref + * glfwSetCursor. The cursor can be destroyed with @ref glfwDestroyCursor. + * Any remaining cursors are destroyed by @ref glfwTerminate. + * + * The pixels are 32-bit, little-endian, non-premultiplied RGBA, i.e. eight + * bits per channel with the red channel first. They are arranged canonically + * as packed sequential rows, starting from the top-left corner. + * + * The cursor hotspot is specified in pixels, relative to the upper-left corner + * of the cursor image. Like all other coordinate systems in GLFW, the X-axis + * points to the right and the Y-axis points down. + * + * @param[in] image The desired cursor image. + * @param[in] xhot The desired x-coordinate, in pixels, of the cursor hotspot. + * @param[in] yhot The desired y-coordinate, in pixels, of the cursor hotspot. + * @return The handle of the created cursor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The specified image data is copied before this function + * returns. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_object + * @sa @ref glfwDestroyCursor + * @sa @ref glfwCreateStandardCursor + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI GLFWcursor* glfwCreateCursor(const GLFWimage* image, int xhot, int yhot); + +/*! @brief Creates a cursor with a standard shape. + * + * Returns a cursor with a [standard shape](@ref shapes), that can be set for + * a window with @ref glfwSetCursor. + * + * @param[in] shape One of the [standard shapes](@ref shapes). + * @return A new cursor ready to use or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_object + * @sa @ref glfwCreateCursor + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI GLFWcursor* glfwCreateStandardCursor(int shape); + +/*! @brief Destroys a cursor. + * + * This function destroys a cursor previously created with @ref + * glfwCreateCursor. Any remaining cursors will be destroyed by @ref + * glfwTerminate. + * + * If the specified cursor is current for any window, that window will be + * reverted to the default cursor. This does not affect the cursor mode. + * + * @param[in] cursor The cursor object to destroy. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_object + * @sa @ref glfwCreateCursor + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI void glfwDestroyCursor(GLFWcursor* cursor); + +/*! @brief Sets the cursor for the window. + * + * This function sets the cursor image to be used when the cursor is over the + * content area of the specified window. The set cursor will only be visible + * when the [cursor mode](@ref cursor_mode) of the window is + * `GLFW_CURSOR_NORMAL`. + * + * On some platforms, the set cursor may not be visible unless the window also + * has input focus. + * + * @param[in] window The window to set the cursor for. + * @param[in] cursor The cursor to set, or `NULL` to switch back to the default + * arrow cursor. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_object + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI void glfwSetCursor(GLFWwindow* window, GLFWcursor* cursor); + +/*! @brief Sets the key callback. + * + * This function sets the key callback of the specified window, which is called + * when a key is pressed, repeated or released. + * + * The key functions deal with physical keys, with layout independent + * [key tokens](@ref keys) named after their values in the standard US keyboard + * layout. If you want to input text, use the + * [character callback](@ref glfwSetCharCallback) instead. + * + * When a window loses input focus, it will generate synthetic key release + * events for all pressed keys. You can tell these events from user-generated + * events by the fact that the synthetic ones are generated after the focus + * loss event has been processed, i.e. after the + * [window focus callback](@ref glfwSetWindowFocusCallback) has been called. + * + * The scancode of a key is specific to that platform or sometimes even to that + * machine. Scancodes are intended to allow users to bind keys that don't have + * a GLFW key token. Such keys have `key` set to `GLFW_KEY_UNKNOWN`, their + * state is not saved and so it cannot be queried with @ref glfwGetKey. + * + * Sometimes GLFW needs to generate synthetic key events, in which case the + * scancode may be zero. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new key callback, or `NULL` to remove the currently + * set callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_key + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup input + */ +GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun cbfun); + +/*! @brief Sets the Unicode character callback. + * + * This function sets the character callback of the specified window, which is + * called when a Unicode character is input. + * + * The character callback is intended for Unicode text input. As it deals with + * characters, it is keyboard layout dependent, whereas the + * [key callback](@ref glfwSetKeyCallback) is not. Characters do not map 1:1 + * to physical keys, as a key may produce zero, one or more characters. If you + * want to know whether a specific physical key was pressed or released, see + * the key callback instead. + * + * The character callback behaves as system text input normally does and will + * not be called if modifier keys are held down that would prevent normal text + * input on that platform, for example a Super (Command) key on macOS or Alt key + * on Windows. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_char + * + * @since Added in version 2.4. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup input + */ +GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* window, GLFWcharfun cbfun); + +/*! @brief Sets the Unicode character with modifiers callback. + * + * This function sets the character with modifiers callback of the specified + * window, which is called when a Unicode character is input regardless of what + * modifier keys are used. + * + * The character with modifiers callback is intended for implementing custom + * Unicode character input. For regular Unicode text input, see the + * [character callback](@ref glfwSetCharCallback). Like the character + * callback, the character with modifiers callback deals with characters and is + * keyboard layout dependent. Characters do not map 1:1 to physical keys, as + * a key may produce zero, one or more characters. If you want to know whether + * a specific physical key was pressed or released, see the + * [key callback](@ref glfwSetKeyCallback) instead. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or an + * [error](@ref error_handling) occurred. + * + * @deprecated Scheduled for removal in version 4.0. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_char + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI GLFWcharmodsfun glfwSetCharModsCallback(GLFWwindow* window, GLFWcharmodsfun cbfun); + +/*! @brief Sets the mouse button callback. + * + * This function sets the mouse button callback of the specified window, which + * is called when a mouse button is pressed or released. + * + * When a window loses input focus, it will generate synthetic mouse button + * release events for all pressed mouse buttons. You can tell these events + * from user-generated events by the fact that the synthetic ones are generated + * after the focus loss event has been processed, i.e. after the + * [window focus callback](@ref glfwSetWindowFocusCallback) has been called. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_mouse_button + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup input + */ +GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun cbfun); + +/*! @brief Sets the cursor position callback. + * + * This function sets the cursor position callback of the specified window, + * which is called when the cursor is moved. The callback is provided with the + * position, in screen coordinates, relative to the upper-left corner of the + * content area of the window. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_pos + * + * @since Added in version 3.0. Replaces `glfwSetMousePosCallback`. + * + * @ingroup input + */ +GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun cbfun); + +/*! @brief Sets the cursor enter/exit callback. + * + * This function sets the cursor boundary crossing callback of the specified + * window, which is called when the cursor enters or leaves the content area of + * the window. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_enter + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* window, GLFWcursorenterfun cbfun); + +/*! @brief Sets the scroll callback. + * + * This function sets the scroll callback of the specified window, which is + * called when a scrolling device is used, such as a mouse wheel or scrolling + * area of a touchpad. + * + * The scroll callback receives all scrolling input, like that from a mouse + * wheel or a touchpad scrolling area. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new scroll callback, or `NULL` to remove the currently + * set callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref scrolling + * + * @since Added in version 3.0. Replaces `glfwSetMouseWheelCallback`. + * + * @ingroup input + */ +GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun cbfun); + +/*! @brief Sets the file drop callback. + * + * This function sets the file drop callback of the specified window, which is + * called when one or more dragged files are dropped on the window. + * + * Because the path array and its strings may have been generated specifically + * for that event, they are not guaranteed to be valid after the callback has + * returned. If you wish to use them after the callback returns, you need to + * make a deep copy. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new file drop callback, or `NULL` to remove the + * currently set callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @remark @wayland File drop is currently unimplemented. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref path_drop + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI GLFWdropfun glfwSetDropCallback(GLFWwindow* window, GLFWdropfun cbfun); + +/*! @brief Returns whether the specified joystick is present. + * + * This function returns whether the specified joystick is present. + * + * There is no need to call this function before other functions that accept + * a joystick ID, as they all check for presence before performing any other + * work. + * + * @param[in] jid The [joystick](@ref joysticks) to query. + * @return `GLFW_TRUE` if the joystick is present, or `GLFW_FALSE` otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick + * + * @since Added in version 3.0. Replaces `glfwGetJoystickParam`. + * + * @ingroup input + */ +GLFWAPI int glfwJoystickPresent(int jid); + +/*! @brief Returns the values of all axes of the specified joystick. + * + * This function returns the values of all axes of the specified joystick. + * Each element in the array is a value between -1.0 and 1.0. + * + * If the specified joystick is not present this function will return `NULL` + * but will not generate an error. This can be used instead of first calling + * @ref glfwJoystickPresent. + * + * @param[in] jid The [joystick](@ref joysticks) to query. + * @param[out] count Where to store the number of axis values in the returned + * array. This is set to zero if the joystick is not present or an error + * occurred. + * @return An array of axis values, or `NULL` if the joystick is not present or + * an [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified joystick is + * disconnected or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_axis + * + * @since Added in version 3.0. Replaces `glfwGetJoystickPos`. + * + * @ingroup input + */ +GLFWAPI const float* glfwGetJoystickAxes(int jid, int* count); + +/*! @brief Returns the state of all buttons of the specified joystick. + * + * This function returns the state of all buttons of the specified joystick. + * Each element in the array is either `GLFW_PRESS` or `GLFW_RELEASE`. + * + * For backward compatibility with earlier versions that did not have @ref + * glfwGetJoystickHats, the button array also includes all hats, each + * represented as four buttons. The hats are in the same order as returned by + * __glfwGetJoystickHats__ and are in the order _up_, _right_, _down_ and + * _left_. To disable these extra buttons, set the @ref + * GLFW_JOYSTICK_HAT_BUTTONS init hint before initialization. + * + * If the specified joystick is not present this function will return `NULL` + * but will not generate an error. This can be used instead of first calling + * @ref glfwJoystickPresent. + * + * @param[in] jid The [joystick](@ref joysticks) to query. + * @param[out] count Where to store the number of button states in the returned + * array. This is set to zero if the joystick is not present or an error + * occurred. + * @return An array of button states, or `NULL` if the joystick is not present + * or an [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified joystick is + * disconnected or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_button + * + * @since Added in version 2.2. + * @glfw3 Changed to return a dynamic array. + * + * @ingroup input + */ +GLFWAPI const unsigned char* glfwGetJoystickButtons(int jid, int* count); + +/*! @brief Returns the state of all hats of the specified joystick. + * + * This function returns the state of all hats of the specified joystick. + * Each element in the array is one of the following values: + * + * Name | Value + * ---- | ----- + * `GLFW_HAT_CENTERED` | 0 + * `GLFW_HAT_UP` | 1 + * `GLFW_HAT_RIGHT` | 2 + * `GLFW_HAT_DOWN` | 4 + * `GLFW_HAT_LEFT` | 8 + * `GLFW_HAT_RIGHT_UP` | `GLFW_HAT_RIGHT` \| `GLFW_HAT_UP` + * `GLFW_HAT_RIGHT_DOWN` | `GLFW_HAT_RIGHT` \| `GLFW_HAT_DOWN` + * `GLFW_HAT_LEFT_UP` | `GLFW_HAT_LEFT` \| `GLFW_HAT_UP` + * `GLFW_HAT_LEFT_DOWN` | `GLFW_HAT_LEFT` \| `GLFW_HAT_DOWN` + * + * The diagonal directions are bitwise combinations of the primary (up, right, + * down and left) directions and you can test for these individually by ANDing + * it with the corresponding direction. + * + * @code + * if (hats[2] & GLFW_HAT_RIGHT) + * { + * // State of hat 2 could be right-up, right or right-down + * } + * @endcode + * + * If the specified joystick is not present this function will return `NULL` + * but will not generate an error. This can be used instead of first calling + * @ref glfwJoystickPresent. + * + * @param[in] jid The [joystick](@ref joysticks) to query. + * @param[out] count Where to store the number of hat states in the returned + * array. This is set to zero if the joystick is not present or an error + * occurred. + * @return An array of hat states, or `NULL` if the joystick is not present + * or an [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified joystick is + * disconnected, this function is called again for that joystick or the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_hat + * + * @since Added in version 3.3. + * + * @ingroup input + */ +GLFWAPI const unsigned char* glfwGetJoystickHats(int jid, int* count); + +/*! @brief Returns the name of the specified joystick. + * + * This function returns the name, encoded as UTF-8, of the specified joystick. + * The returned string is allocated and freed by GLFW. You should not free it + * yourself. + * + * If the specified joystick is not present this function will return `NULL` + * but will not generate an error. This can be used instead of first calling + * @ref glfwJoystickPresent. + * + * @param[in] jid The [joystick](@ref joysticks) to query. + * @return The UTF-8 encoded name of the joystick, or `NULL` if the joystick + * is not present or an [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified joystick is + * disconnected or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_name + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI const char* glfwGetJoystickName(int jid); + +/*! @brief Returns the SDL comaptible GUID of the specified joystick. + * + * This function returns the SDL compatible GUID, as a UTF-8 encoded + * hexadecimal string, of the specified joystick. The returned string is + * allocated and freed by GLFW. You should not free it yourself. + * + * The GUID is what connects a joystick to a gamepad mapping. A connected + * joystick will always have a GUID even if there is no gamepad mapping + * assigned to it. + * + * If the specified joystick is not present this function will return `NULL` + * but will not generate an error. This can be used instead of first calling + * @ref glfwJoystickPresent. + * + * The GUID uses the format introduced in SDL 2.0.5. This GUID tries to + * uniquely identify the make and model of a joystick but does not identify + * a specific unit, e.g. all wired Xbox 360 controllers will have the same + * GUID on that platform. The GUID for a unit may vary between platforms + * depending on what hardware information the platform specific APIs provide. + * + * @param[in] jid The [joystick](@ref joysticks) to query. + * @return The UTF-8 encoded GUID of the joystick, or `NULL` if the joystick + * is not present or an [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified joystick is + * disconnected or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref gamepad + * + * @since Added in version 3.3. + * + * @ingroup input + */ +GLFWAPI const char* glfwGetJoystickGUID(int jid); + +/*! @brief Sets the user pointer of the specified joystick. + * + * This function sets the user-defined pointer of the specified joystick. The + * current value is retained until the joystick is disconnected. The initial + * value is `NULL`. + * + * This function may be called from the joystick callback, even for a joystick + * that is being disconnected. + * + * @param[in] jid The joystick whose pointer to set. + * @param[in] pointer The new value. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref joystick_userptr + * @sa @ref glfwGetJoystickUserPointer + * + * @since Added in version 3.3. + * + * @ingroup input + */ +GLFWAPI void glfwSetJoystickUserPointer(int jid, void* pointer); + +/*! @brief Returns the user pointer of the specified joystick. + * + * This function returns the current value of the user-defined pointer of the + * specified joystick. The initial value is `NULL`. + * + * This function may be called from the joystick callback, even for a joystick + * that is being disconnected. + * + * @param[in] jid The joystick whose pointer to return. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref joystick_userptr + * @sa @ref glfwSetJoystickUserPointer + * + * @since Added in version 3.3. + * + * @ingroup input + */ +GLFWAPI void* glfwGetJoystickUserPointer(int jid); + +/*! @brief Returns whether the specified joystick has a gamepad mapping. + * + * This function returns whether the specified joystick is both present and has + * a gamepad mapping. + * + * If the specified joystick is present but does not have a gamepad mapping + * this function will return `GLFW_FALSE` but will not generate an error. Call + * @ref glfwJoystickPresent to check if a joystick is present regardless of + * whether it has a mapping. + * + * @param[in] jid The [joystick](@ref joysticks) to query. + * @return `GLFW_TRUE` if a joystick is both present and has a gamepad mapping, + * or `GLFW_FALSE` otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref gamepad + * @sa @ref glfwGetGamepadState + * + * @since Added in version 3.3. + * + * @ingroup input + */ +GLFWAPI int glfwJoystickIsGamepad(int jid); + +/*! @brief Sets the joystick configuration callback. + * + * This function sets the joystick configuration callback, or removes the + * currently set callback. This is called when a joystick is connected to or + * disconnected from the system. + * + * For joystick connection and disconnection events to be delivered on all + * platforms, you need to call one of the [event processing](@ref events) + * functions. Joystick disconnection may also be detected and the callback + * called by joystick functions. The function will then return whatever it + * returns if the joystick is not present. + * + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_event + * + * @since Added in version 3.2. + * + * @ingroup input + */ +GLFWAPI GLFWjoystickfun glfwSetJoystickCallback(GLFWjoystickfun cbfun); + +/*! @brief Adds the specified SDL_GameControllerDB gamepad mappings. + * + * This function parses the specified ASCII encoded string and updates the + * internal list with any gamepad mappings it finds. This string may + * contain either a single gamepad mapping or many mappings separated by + * newlines. The parser supports the full format of the `gamecontrollerdb.txt` + * source file including empty lines and comments. + * + * See @ref gamepad_mapping for a description of the format. + * + * If there is already a gamepad mapping for a given GUID in the internal list, + * it will be replaced by the one passed to this function. If the library is + * terminated and re-initialized the internal list will revert to the built-in + * default. + * + * @param[in] string The string containing the gamepad mappings. + * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_VALUE. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref gamepad + * @sa @ref glfwJoystickIsGamepad + * @sa @ref glfwGetGamepadName + * + * @since Added in version 3.3. + * + * @ingroup input + */ +GLFWAPI int glfwUpdateGamepadMappings(const char* string); + +/*! @brief Returns the human-readable gamepad name for the specified joystick. + * + * This function returns the human-readable name of the gamepad from the + * gamepad mapping assigned to the specified joystick. + * + * If the specified joystick is not present or does not have a gamepad mapping + * this function will return `NULL` but will not generate an error. Call + * @ref glfwJoystickPresent to check whether it is present regardless of + * whether it has a mapping. + * + * @param[in] jid The [joystick](@ref joysticks) to query. + * @return The UTF-8 encoded name of the gamepad, or `NULL` if the + * joystick is not present, does not have a mapping or an + * [error](@ref error_handling) occurred. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified joystick is + * disconnected, the gamepad mappings are updated or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref gamepad + * @sa @ref glfwJoystickIsGamepad + * + * @since Added in version 3.3. + * + * @ingroup input + */ +GLFWAPI const char* glfwGetGamepadName(int jid); + +/*! @brief Retrieves the state of the specified joystick remapped as a gamepad. + * + * This function retrives the state of the specified joystick remapped to + * an Xbox-like gamepad. + * + * If the specified joystick is not present or does not have a gamepad mapping + * this function will return `GLFW_FALSE` but will not generate an error. Call + * @ref glfwJoystickPresent to check whether it is present regardless of + * whether it has a mapping. + * + * The Guide button may not be available for input as it is often hooked by the + * system or the Steam client. + * + * Not all devices have all the buttons or axes provided by @ref + * GLFWgamepadstate. Unavailable buttons and axes will always report + * `GLFW_RELEASE` and 0.0 respectively. + * + * @param[in] jid The [joystick](@ref joysticks) to query. + * @param[out] state The gamepad input state of the joystick. + * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if no joystick is + * connected, it has no gamepad mapping or an [error](@ref error_handling) + * occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref gamepad + * @sa @ref glfwUpdateGamepadMappings + * @sa @ref glfwJoystickIsGamepad + * + * @since Added in version 3.3. + * + * @ingroup input + */ +GLFWAPI int glfwGetGamepadState(int jid, GLFWgamepadstate* state); + +/*! @brief Sets the clipboard to the specified string. + * + * This function sets the system clipboard to the specified, UTF-8 encoded + * string. + * + * @param[in] window Deprecated. Any valid window or `NULL`. + * @param[in] string A UTF-8 encoded string. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The specified string is copied before this function + * returns. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref clipboard + * @sa @ref glfwGetClipboardString + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char* string); + +/*! @brief Returns the contents of the clipboard as a string. + * + * This function returns the contents of the system clipboard, if it contains + * or is convertible to a UTF-8 encoded string. If the clipboard is empty or + * if its contents cannot be converted, `NULL` is returned and a @ref + * GLFW_FORMAT_UNAVAILABLE error is generated. + * + * @param[in] window Deprecated. Any valid window or `NULL`. + * @return The contents of the clipboard as a UTF-8 encoded string, or `NULL` + * if an [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the next call to @ref + * glfwGetClipboardString or @ref glfwSetClipboardString, or until the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref clipboard + * @sa @ref glfwSetClipboardString + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI const char* glfwGetClipboardString(GLFWwindow* window); + +/*! @brief Returns the value of the GLFW timer. + * + * This function returns the value of the GLFW timer. Unless the timer has + * been set using @ref glfwSetTime, the timer measures time elapsed since GLFW + * was initialized. + * + * The resolution of the timer is system dependent, but is usually on the order + * of a few micro- or nanoseconds. It uses the highest-resolution monotonic + * time source on each supported platform. + * + * @return The current value, in seconds, or zero if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Reading and + * writing of the internal timer offset is not atomic, so it needs to be + * externally synchronized with calls to @ref glfwSetTime. + * + * @sa @ref time + * + * @since Added in version 1.0. + * + * @ingroup input + */ +GLFWAPI double glfwGetTime(void); + +/*! @brief Sets the GLFW timer. + * + * This function sets the value of the GLFW timer. It then continues to count + * up from that value. The value must be a positive finite number less than + * or equal to 18446744073.0, which is approximately 584.5 years. + * + * @param[in] time The new value, in seconds. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_VALUE. + * + * @remark The upper limit of the timer is calculated as + * floor((264 - 1) / 109) and is due to implementations + * storing nanoseconds in 64 bits. The limit may be increased in the future. + * + * @thread_safety This function may be called from any thread. Reading and + * writing of the internal timer offset is not atomic, so it needs to be + * externally synchronized with calls to @ref glfwGetTime. + * + * @sa @ref time + * + * @since Added in version 2.2. + * + * @ingroup input + */ +GLFWAPI void glfwSetTime(double time); + +/*! @brief Returns the current value of the raw timer. + * + * This function returns the current value of the raw timer, measured in + * 1 / frequency seconds. To get the frequency, call @ref + * glfwGetTimerFrequency. + * + * @return The value of the timer, or zero if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref time + * @sa @ref glfwGetTimerFrequency + * + * @since Added in version 3.2. + * + * @ingroup input + */ +GLFWAPI uint64_t glfwGetTimerValue(void); + +/*! @brief Returns the frequency, in Hz, of the raw timer. + * + * This function returns the frequency, in Hz, of the raw timer. + * + * @return The frequency of the timer, in Hz, or zero if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref time + * @sa @ref glfwGetTimerValue + * + * @since Added in version 3.2. + * + * @ingroup input + */ +GLFWAPI uint64_t glfwGetTimerFrequency(void); + +/*! @brief Makes the context of the specified window current for the calling + * thread. + * + * This function makes the OpenGL or OpenGL ES context of the specified window + * current on the calling thread. A context must only be made current on + * a single thread at a time and each thread can have only a single current + * context at a time. + * + * When moving a context between threads, you must make it non-current on the + * old thread before making it current on the new one. + * + * By default, making a context non-current implicitly forces a pipeline flush. + * On machines that support `GL_KHR_context_flush_control`, you can control + * whether a context performs this flush by setting the + * [GLFW_CONTEXT_RELEASE_BEHAVIOR](@ref GLFW_CONTEXT_RELEASE_BEHAVIOR_hint) + * hint. + * + * The specified window must have an OpenGL or OpenGL ES context. Specifying + * a window without a context will generate a @ref GLFW_NO_WINDOW_CONTEXT + * error. + * + * @param[in] window The window whose context to make current, or `NULL` to + * detach the current context. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref context_current + * @sa @ref glfwGetCurrentContext + * + * @since Added in version 3.0. + * + * @ingroup context + */ +GLFWAPI void glfwMakeContextCurrent(GLFWwindow* window); + +/*! @brief Returns the window whose context is current on the calling thread. + * + * This function returns the window whose OpenGL or OpenGL ES context is + * current on the calling thread. + * + * @return The window whose context is current, or `NULL` if no window's + * context is current. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref context_current + * @sa @ref glfwMakeContextCurrent + * + * @since Added in version 3.0. + * + * @ingroup context + */ +GLFWAPI GLFWwindow* glfwGetCurrentContext(void); + +/*! @brief Swaps the front and back buffers of the specified window. + * + * This function swaps the front and back buffers of the specified window when + * rendering with OpenGL or OpenGL ES. If the swap interval is greater than + * zero, the GPU driver waits the specified number of screen updates before + * swapping the buffers. + * + * The specified window must have an OpenGL or OpenGL ES context. Specifying + * a window without a context will generate a @ref GLFW_NO_WINDOW_CONTEXT + * error. + * + * This function does not apply to Vulkan. If you are rendering with Vulkan, + * see `vkQueuePresentKHR` instead. + * + * @param[in] window The window whose buffers to swap. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_ERROR. + * + * @remark __EGL:__ The context of the specified window must be current on the + * calling thread. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref buffer_swap + * @sa @ref glfwSwapInterval + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwSwapBuffers(GLFWwindow* window); + +/*! @brief Sets the swap interval for the current context. + * + * This function sets the swap interval for the current OpenGL or OpenGL ES + * context, i.e. the number of screen updates to wait from the time @ref + * glfwSwapBuffers was called before swapping the buffers and returning. This + * is sometimes called _vertical synchronization_, _vertical retrace + * synchronization_ or just _vsync_. + * + * A context that supports either of the `WGL_EXT_swap_control_tear` and + * `GLX_EXT_swap_control_tear` extensions also accepts _negative_ swap + * intervals, which allows the driver to swap immediately even if a frame + * arrives a little bit late. You can check for these extensions with @ref + * glfwExtensionSupported. + * + * A context must be current on the calling thread. Calling this function + * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. + * + * This function does not apply to Vulkan. If you are rendering with Vulkan, + * see the present mode of your swapchain instead. + * + * @param[in] interval The minimum number of screen updates to wait for + * until the buffers are swapped by @ref glfwSwapBuffers. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_CURRENT_CONTEXT and @ref GLFW_PLATFORM_ERROR. + * + * @remark This function is not called during context creation, leaving the + * swap interval set to whatever is the default on that platform. This is done + * because some swap interval extensions used by GLFW do not allow the swap + * interval to be reset to zero once it has been set to a non-zero value. + * + * @remark Some GPU drivers do not honor the requested swap interval, either + * because of a user setting that overrides the application's request or due to + * bugs in the driver. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref buffer_swap + * @sa @ref glfwSwapBuffers + * + * @since Added in version 1.0. + * + * @ingroup context + */ +GLFWAPI void glfwSwapInterval(int interval); + +/*! @brief Returns whether the specified extension is available. + * + * This function returns whether the specified + * [API extension](@ref context_glext) is supported by the current OpenGL or + * OpenGL ES context. It searches both for client API extension and context + * creation API extensions. + * + * A context must be current on the calling thread. Calling this function + * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. + * + * As this functions retrieves and searches one or more extension strings each + * call, it is recommended that you cache its results if it is going to be used + * frequently. The extension strings will not change during the lifetime of + * a context, so there is no danger in doing this. + * + * This function does not apply to Vulkan. If you are using Vulkan, see @ref + * glfwGetRequiredInstanceExtensions, `vkEnumerateInstanceExtensionProperties` + * and `vkEnumerateDeviceExtensionProperties` instead. + * + * @param[in] extension The ASCII encoded name of the extension. + * @return `GLFW_TRUE` if the extension is available, or `GLFW_FALSE` + * otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_CURRENT_CONTEXT, @ref GLFW_INVALID_VALUE and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref context_glext + * @sa @ref glfwGetProcAddress + * + * @since Added in version 1.0. + * + * @ingroup context + */ +GLFWAPI int glfwExtensionSupported(const char* extension); + +/*! @brief Returns the address of the specified function for the current + * context. + * + * This function returns the address of the specified OpenGL or OpenGL ES + * [core or extension function](@ref context_glext), if it is supported + * by the current context. + * + * A context must be current on the calling thread. Calling this function + * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. + * + * This function does not apply to Vulkan. If you are rendering with Vulkan, + * see @ref glfwGetInstanceProcAddress, `vkGetInstanceProcAddr` and + * `vkGetDeviceProcAddr` instead. + * + * @param[in] procname The ASCII encoded name of the function. + * @return The address of the function, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_CURRENT_CONTEXT and @ref GLFW_PLATFORM_ERROR. + * + * @remark The address of a given function is not guaranteed to be the same + * between contexts. + * + * @remark This function may return a non-`NULL` address despite the + * associated version or extension not being available. Always check the + * context version or extension string first. + * + * @pointer_lifetime The returned function pointer is valid until the context + * is destroyed or the library is terminated. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref context_glext + * @sa @ref glfwExtensionSupported + * + * @since Added in version 1.0. + * + * @ingroup context + */ +GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname); + +/*! @brief Returns whether the Vulkan loader and an ICD have been found. + * + * This function returns whether the Vulkan loader and any minimally functional + * ICD have been found. + * + * The availability of a Vulkan loader and even an ICD does not by itself + * guarantee that surface creation or even instance creation is possible. + * For example, on Fermi systems Nvidia will install an ICD that provides no + * actual Vulkan support. Call @ref glfwGetRequiredInstanceExtensions to check + * whether the extensions necessary for Vulkan surface creation are available + * and @ref glfwGetPhysicalDevicePresentationSupport to check whether a queue + * family of a physical device supports image presentation. + * + * @return `GLFW_TRUE` if Vulkan is minimally available, or `GLFW_FALSE` + * otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref vulkan_support + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI int glfwVulkanSupported(void); + +/*! @brief Returns the Vulkan instance extensions required by GLFW. + * + * This function returns an array of names of Vulkan instance extensions required + * by GLFW for creating Vulkan surfaces for GLFW windows. If successful, the + * list will always contains `VK_KHR_surface`, so if you don't require any + * additional extensions you can pass this list directly to the + * `VkInstanceCreateInfo` struct. + * + * If Vulkan is not available on the machine, this function returns `NULL` and + * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported + * to check whether Vulkan is at least minimally available. + * + * If Vulkan is available but no set of extensions allowing window surface + * creation was found, this function returns `NULL`. You may still use Vulkan + * for off-screen rendering and compute work. + * + * @param[out] count Where to store the number of extensions in the returned + * array. This is set to zero if an error occurred. + * @return An array of ASCII encoded extension names, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_API_UNAVAILABLE. + * + * @remark Additional extensions may be required by future versions of GLFW. + * You should check if any extensions you wish to enable are already in the + * returned array, as it is an error to specify an extension more than once in + * the `VkInstanceCreateInfo` struct. + * + * @remark @macos This function currently only supports the + * `VK_MVK_macos_surface` extension from MoltenVK. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is guaranteed to be valid only until the + * library is terminated. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref vulkan_ext + * @sa @ref glfwCreateWindowSurface + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI const char** glfwGetRequiredInstanceExtensions(uint32_t* count); + +#if defined(VK_VERSION_1_0) + +/*! @brief Returns the address of the specified Vulkan instance function. + * + * This function returns the address of the specified Vulkan core or extension + * function for the specified instance. If instance is set to `NULL` it can + * return any function exported from the Vulkan loader, including at least the + * following functions: + * + * - `vkEnumerateInstanceExtensionProperties` + * - `vkEnumerateInstanceLayerProperties` + * - `vkCreateInstance` + * - `vkGetInstanceProcAddr` + * + * If Vulkan is not available on the machine, this function returns `NULL` and + * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported + * to check whether Vulkan is at least minimally available. + * + * This function is equivalent to calling `vkGetInstanceProcAddr` with + * a platform-specific query of the Vulkan loader as a fallback. + * + * @param[in] instance The Vulkan instance to query, or `NULL` to retrieve + * functions related to instance creation. + * @param[in] procname The ASCII encoded name of the function. + * @return The address of the function, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_API_UNAVAILABLE. + * + * @pointer_lifetime The returned function pointer is valid until the library + * is terminated. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref vulkan_proc + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI GLFWvkproc glfwGetInstanceProcAddress(VkInstance instance, const char* procname); + +/*! @brief Returns whether the specified queue family can present images. + * + * This function returns whether the specified queue family of the specified + * physical device supports presentation to the platform GLFW was built for. + * + * If Vulkan or the required window surface creation instance extensions are + * not available on the machine, or if the specified instance was not created + * with the required extensions, this function returns `GLFW_FALSE` and + * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported + * to check whether Vulkan is at least minimally available and @ref + * glfwGetRequiredInstanceExtensions to check what instance extensions are + * required. + * + * @param[in] instance The instance that the physical device belongs to. + * @param[in] device The physical device that the queue family belongs to. + * @param[in] queuefamily The index of the queue family to query. + * @return `GLFW_TRUE` if the queue family supports presentation, or + * `GLFW_FALSE` otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_API_UNAVAILABLE and @ref GLFW_PLATFORM_ERROR. + * + * @remark @macos This function currently always returns `GLFW_TRUE`, as the + * `VK_MVK_macos_surface` extension does not provide + * a `vkGetPhysicalDevice*PresentationSupport` type function. + * + * @thread_safety This function may be called from any thread. For + * synchronization details of Vulkan objects, see the Vulkan specification. + * + * @sa @ref vulkan_present + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI int glfwGetPhysicalDevicePresentationSupport(VkInstance instance, VkPhysicalDevice device, uint32_t queuefamily); + +/*! @brief Creates a Vulkan surface for the specified window. + * + * This function creates a Vulkan surface for the specified window. + * + * If the Vulkan loader or at least one minimally functional ICD were not found, + * this function returns `VK_ERROR_INITIALIZATION_FAILED` and generates a @ref + * GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported to check whether + * Vulkan is at least minimally available. + * + * If the required window surface creation instance extensions are not + * available or if the specified instance was not created with these extensions + * enabled, this function returns `VK_ERROR_EXTENSION_NOT_PRESENT` and + * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref + * glfwGetRequiredInstanceExtensions to check what instance extensions are + * required. + * + * The window surface cannot be shared with another API so the window must + * have been created with the [client api hint](@ref GLFW_CLIENT_API_attrib) + * set to `GLFW_NO_API` otherwise it generates a @ref GLFW_INVALID_VALUE error + * and returns `VK_ERROR_NATIVE_WINDOW_IN_USE_KHR`. + * + * The window surface must be destroyed before the specified Vulkan instance. + * It is the responsibility of the caller to destroy the window surface. GLFW + * does not destroy it for you. Call `vkDestroySurfaceKHR` to destroy the + * surface. + * + * @param[in] instance The Vulkan instance to create the surface in. + * @param[in] window The window to create the surface for. + * @param[in] allocator The allocator to use, or `NULL` to use the default + * allocator. + * @param[out] surface Where to store the handle of the surface. This is set + * to `VK_NULL_HANDLE` if an error occurred. + * @return `VK_SUCCESS` if successful, or a Vulkan error code if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_API_UNAVAILABLE, @ref GLFW_PLATFORM_ERROR and @ref GLFW_INVALID_VALUE + * + * @remark If an error occurs before the creation call is made, GLFW returns + * the Vulkan error code most appropriate for the error. Appropriate use of + * @ref glfwVulkanSupported and @ref glfwGetRequiredInstanceExtensions should + * eliminate almost all occurrences of these errors. + * + * @remark @macos This function currently only supports the + * `VK_MVK_macos_surface` extension from MoltenVK. + * + * @remark @macos This function creates and sets a `CAMetalLayer` instance for + * the window content view, which is required for MoltenVK to function. + * + * @thread_safety This function may be called from any thread. For + * synchronization details of Vulkan objects, see the Vulkan specification. + * + * @sa @ref vulkan_surface + * @sa @ref glfwGetRequiredInstanceExtensions + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI VkResult glfwCreateWindowSurface(VkInstance instance, GLFWwindow* window, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface); + +#endif /*VK_VERSION_1_0*/ + + +/************************************************************************* + * Global definition cleanup + *************************************************************************/ + +/* ------------------- BEGIN SYSTEM/COMPILER SPECIFIC -------------------- */ + +#ifdef GLFW_WINGDIAPI_DEFINED + #undef WINGDIAPI + #undef GLFW_WINGDIAPI_DEFINED +#endif + +#ifdef GLFW_CALLBACK_DEFINED + #undef CALLBACK + #undef GLFW_CALLBACK_DEFINED +#endif + +/* Some OpenGL related headers need GLAPIENTRY, but it is unconditionally + * defined by some gl.h variants (OpenBSD) so define it after if needed. + */ +#ifndef GLAPIENTRY + #define GLAPIENTRY APIENTRY +#endif + +/* -------------------- END SYSTEM/COMPILER SPECIFIC --------------------- */ + + +#ifdef __cplusplus +} +#endif + +#endif /* _glfw3_h_ */ + diff --git a/thirdparty/glfw/GLFW/glfw3native.h b/thirdparty/glfw/GLFW/glfw3native.h new file mode 100644 index 0000000000..267e75ca9e --- /dev/null +++ b/thirdparty/glfw/GLFW/glfw3native.h @@ -0,0 +1,525 @@ +/************************************************************************* + * GLFW 3.3 - www.glfw.org + * A library for OpenGL, window and input + *------------------------------------------------------------------------ + * Copyright (c) 2002-2006 Marcus Geelnard + * Copyright (c) 2006-2018 Camilla Löwy + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would + * be appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not + * be misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + *************************************************************************/ + +#ifndef _glfw3_native_h_ +#define _glfw3_native_h_ + +#ifdef __cplusplus +extern "C" { +#endif + + +/************************************************************************* + * Doxygen documentation + *************************************************************************/ + +/*! @file glfw3native.h + * @brief The header of the native access functions. + * + * This is the header file of the native access functions. See @ref native for + * more information. + */ +/*! @defgroup native Native access + * @brief Functions related to accessing native handles. + * + * **By using the native access functions you assert that you know what you're + * doing and how to fix problems caused by using them. If you don't, you + * shouldn't be using them.** + * + * Before the inclusion of @ref glfw3native.h, you may define zero or more + * window system API macro and zero or more context creation API macros. + * + * The chosen backends must match those the library was compiled for. Failure + * to do this will cause a link-time error. + * + * The available window API macros are: + * * `GLFW_EXPOSE_NATIVE_WIN32` + * * `GLFW_EXPOSE_NATIVE_COCOA` + * * `GLFW_EXPOSE_NATIVE_X11` + * * `GLFW_EXPOSE_NATIVE_WAYLAND` + * + * The available context API macros are: + * * `GLFW_EXPOSE_NATIVE_WGL` + * * `GLFW_EXPOSE_NATIVE_NSGL` + * * `GLFW_EXPOSE_NATIVE_GLX` + * * `GLFW_EXPOSE_NATIVE_EGL` + * * `GLFW_EXPOSE_NATIVE_OSMESA` + * + * These macros select which of the native access functions that are declared + * and which platform-specific headers to include. It is then up your (by + * definition platform-specific) code to handle which of these should be + * defined. + */ + + +/************************************************************************* + * System headers and types + *************************************************************************/ + +#if defined(GLFW_EXPOSE_NATIVE_WIN32) || defined(GLFW_EXPOSE_NATIVE_WGL) + // This is a workaround for the fact that glfw3.h needs to export APIENTRY (for + // example to allow applications to correctly declare a GL_ARB_debug_output + // callback) but windows.h assumes no one will define APIENTRY before it does + #if defined(GLFW_APIENTRY_DEFINED) + #undef APIENTRY + #undef GLFW_APIENTRY_DEFINED + #endif + #include +#elif defined(GLFW_EXPOSE_NATIVE_COCOA) || defined(GLFW_EXPOSE_NATIVE_NSGL) + #if defined(__OBJC__) + #import + #else + #include + typedef void* id; + #endif +#elif defined(GLFW_EXPOSE_NATIVE_X11) || defined(GLFW_EXPOSE_NATIVE_GLX) + #include + #include +#elif defined(GLFW_EXPOSE_NATIVE_WAYLAND) + #include +#endif + +#if defined(GLFW_EXPOSE_NATIVE_WGL) + /* WGL is declared by windows.h */ +#endif +#if defined(GLFW_EXPOSE_NATIVE_NSGL) + /* NSGL is declared by Cocoa.h */ +#endif +#if defined(GLFW_EXPOSE_NATIVE_GLX) + #include +#endif +#if defined(GLFW_EXPOSE_NATIVE_EGL) + #include +#endif +#if defined(GLFW_EXPOSE_NATIVE_OSMESA) + #include +#endif + + +/************************************************************************* + * Functions + *************************************************************************/ + +#if defined(GLFW_EXPOSE_NATIVE_WIN32) +/*! @brief Returns the adapter device name of the specified monitor. + * + * @return The UTF-8 encoded adapter device name (for example `\\.\DISPLAY1`) + * of the specified monitor, or `NULL` if an [error](@ref error_handling) + * occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI const char* glfwGetWin32Adapter(GLFWmonitor* monitor); + +/*! @brief Returns the display device name of the specified monitor. + * + * @return The UTF-8 encoded display device name (for example + * `\\.\DISPLAY1\Monitor0`) of the specified monitor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI const char* glfwGetWin32Monitor(GLFWmonitor* monitor); + +/*! @brief Returns the `HWND` of the specified window. + * + * @return The `HWND` of the specified window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI HWND glfwGetWin32Window(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_WGL) +/*! @brief Returns the `HGLRC` of the specified window. + * + * @return The `HGLRC` of the specified window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_COCOA) +/*! @brief Returns the `CGDirectDisplayID` of the specified monitor. + * + * @return The `CGDirectDisplayID` of the specified monitor, or + * `kCGNullDirectDisplay` if an [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI CGDirectDisplayID glfwGetCocoaMonitor(GLFWmonitor* monitor); + +/*! @brief Returns the `NSWindow` of the specified window. + * + * @return The `NSWindow` of the specified window, or `nil` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI id glfwGetCocoaWindow(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_NSGL) +/*! @brief Returns the `NSOpenGLContext` of the specified window. + * + * @return The `NSOpenGLContext` of the specified window, or `nil` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI id glfwGetNSGLContext(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_X11) +/*! @brief Returns the `Display` used by GLFW. + * + * @return The `Display` used by GLFW, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI Display* glfwGetX11Display(void); + +/*! @brief Returns the `RRCrtc` of the specified monitor. + * + * @return The `RRCrtc` of the specified monitor, or `None` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI RRCrtc glfwGetX11Adapter(GLFWmonitor* monitor); + +/*! @brief Returns the `RROutput` of the specified monitor. + * + * @return The `RROutput` of the specified monitor, or `None` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI RROutput glfwGetX11Monitor(GLFWmonitor* monitor); + +/*! @brief Returns the `Window` of the specified window. + * + * @return The `Window` of the specified window, or `None` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI Window glfwGetX11Window(GLFWwindow* window); + +/*! @brief Sets the current primary selection to the specified string. + * + * @param[in] string A UTF-8 encoded string. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The specified string is copied before this function + * returns. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref clipboard + * @sa glfwGetX11SelectionString + * @sa glfwSetClipboardString + * + * @since Added in version 3.3. + * + * @ingroup native + */ +GLFWAPI void glfwSetX11SelectionString(const char* string); + +/*! @brief Returns the contents of the current primary selection as a string. + * + * If the selection is empty or if its contents cannot be converted, `NULL` + * is returned and a @ref GLFW_FORMAT_UNAVAILABLE error is generated. + * + * @return The contents of the selection as a UTF-8 encoded string, or `NULL` + * if an [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the next call to @ref + * glfwGetX11SelectionString or @ref glfwSetX11SelectionString, or until the + * library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref clipboard + * @sa glfwSetX11SelectionString + * @sa glfwGetClipboardString + * + * @since Added in version 3.3. + * + * @ingroup native + */ +GLFWAPI const char* glfwGetX11SelectionString(void); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_GLX) +/*! @brief Returns the `GLXContext` of the specified window. + * + * @return The `GLXContext` of the specified window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* window); + +/*! @brief Returns the `GLXWindow` of the specified window. + * + * @return The `GLXWindow` of the specified window, or `None` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI GLXWindow glfwGetGLXWindow(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_WAYLAND) +/*! @brief Returns the `struct wl_display*` used by GLFW. + * + * @return The `struct wl_display*` used by GLFW, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI struct wl_display* glfwGetWaylandDisplay(void); + +/*! @brief Returns the `struct wl_output*` of the specified monitor. + * + * @return The `struct wl_output*` of the specified monitor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI struct wl_output* glfwGetWaylandMonitor(GLFWmonitor* monitor); + +/*! @brief Returns the main `struct wl_surface*` of the specified window. + * + * @return The main `struct wl_surface*` of the specified window, or `NULL` if + * an [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_EGL) +/*! @brief Returns the `EGLDisplay` used by GLFW. + * + * @return The `EGLDisplay` used by GLFW, or `EGL_NO_DISPLAY` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI EGLDisplay glfwGetEGLDisplay(void); + +/*! @brief Returns the `EGLContext` of the specified window. + * + * @return The `EGLContext` of the specified window, or `EGL_NO_CONTEXT` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* window); + +/*! @brief Returns the `EGLSurface` of the specified window. + * + * @return The `EGLSurface` of the specified window, or `EGL_NO_SURFACE` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_OSMESA) +/*! @brief Retrieves the color buffer associated with the specified window. + * + * @param[in] window The window whose color buffer to retrieve. + * @param[out] width Where to store the width of the color buffer, or `NULL`. + * @param[out] height Where to store the height of the color buffer, or `NULL`. + * @param[out] format Where to store the OSMesa pixel format of the color + * buffer, or `NULL`. + * @param[out] buffer Where to store the address of the color buffer, or + * `NULL`. + * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.3. + * + * @ingroup native + */ +GLFWAPI int glfwGetOSMesaColorBuffer(GLFWwindow* window, int* width, int* height, int* format, void** buffer); + +/*! @brief Retrieves the depth buffer associated with the specified window. + * + * @param[in] window The window whose depth buffer to retrieve. + * @param[out] width Where to store the width of the depth buffer, or `NULL`. + * @param[out] height Where to store the height of the depth buffer, or `NULL`. + * @param[out] bytesPerValue Where to store the number of bytes per depth + * buffer element, or `NULL`. + * @param[out] buffer Where to store the address of the depth buffer, or + * `NULL`. + * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.3. + * + * @ingroup native + */ +GLFWAPI int glfwGetOSMesaDepthBuffer(GLFWwindow* window, int* width, int* height, int* bytesPerValue, void** buffer); + +/*! @brief Returns the `OSMesaContext` of the specified window. + * + * @return The `OSMesaContext` of the specified window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.3. + * + * @ingroup native + */ +GLFWAPI OSMesaContext glfwGetOSMesaContext(GLFWwindow* window); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _glfw3_native_h_ */ + diff --git a/thirdparty/glfw/glfw3.dll b/thirdparty/glfw/glfw3.dll new file mode 100644 index 0000000000..1ed6f46c8d Binary files /dev/null and b/thirdparty/glfw/glfw3.dll differ diff --git a/vlib/ft/ft.v b/vlib/ft/ft.v new file mode 100644 index 0000000000..764bdfc8ff --- /dev/null +++ b/vlib/ft/ft.v @@ -0,0 +1,358 @@ +// Copyright (c) 2019 Alexander Medvednikov. All rights reserved. +// Use of this source code is governed by an MIT license +// that can be found in the LICENSE file. + +module ft + +import stbi +import glm +import gl + +#flag -I @VROOT/thirdparty/freetype + +#flag @VROOT/thirdparty/freetype/libfreetype.a +#flag darwin -lpng -lbz2 -lz + + +#flag linux -I/usr/include/freetype2 +#flag linux -I. + + +#include "ft2build.h" +#include FT_FREETYPE_H + +struct GG { + shader gl.Shader + // use_ortho bool + width int + height int + VAO u32 + rect_vao u32 + rect_vbo u32 + line_vao u32 + line_vbo u32 + VBO u32 + chars []gg.Character + utf_runes []string + utf_chars []gg.Character + text_ctx *GG + face Face + scale int // retina = 2 , normal = 1 +} + +struct Character { + texture_id u32 + size Vec2 + bearing Vec2 + advance u32 +} + +// jfn ft_load_char(face FT_Face, code FT_ULong) Character { +// fn ft_load_char(_face voidptr, _code voidptr) Character { +fn ft_load_char(_face Face, code i64) Character { + // #FT_Face face = *(FT_Face*)(_face); FT_ULong code = *(FT_ULong*)(code); + # FT_Face face = *((FT_Face*)_face.cobj); + # if (FT_Load_Char(face, code, FT_LOAD_RENDER)) + { + println('freetype: Failed to load Glyph') + exit(1) + } + // Generate texture + # GLuint texture; + # glGenTextures(1, &texture); + # glBindTexture(GL_TEXTURE_2D, texture); + # glTexImage2D( + # GL_TEXTURE_2D, + # 0, + # GL_RED, + # face->glyph->bitmap.width, + # face->glyph->bitmap.rows, + # 0, + # GL_RED, + # GL_UNSIGNED_BYTE, + # face->glyph->bitmap.buffer + # ); + // Set texture options + # glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + # glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + # glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + # glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + // Now store character for later use + ch := Character{} + # ch.texture_id=texture ; + # ch.size = gg__vec2(face->glyph->bitmap.width, face->glyph->bitmap.rows); + # ch.bearing = gg__vec2(face->glyph->bitmap_left, face->glyph->bitmap_top), + # ch.advance = face->glyph->advance.x; + return ch +} + +pub fn new_context_text(cfg Cfg, scale int) *GG { + // Can only have text in ortho mode + if !cfg.use_ortho { + return &GG{text_ctx: 0} + } + mut width := cfg.width * scale + mut height := cfg.height * scale + font_size := cfg.font_size * scale + // exit('fs=$font_size') + // if false { + // retina + // width = width * 2// scale// 2 + // height = height * 2// scale// 2 + // font_size *= scale// 2 + // } + /* + gl.viewport(0, 0, width, height) +*/ + // gl.enable(GL_CULL_FACE) // TODO NEED CULL? + gl.enable(GL_BLEND) +return &GG{} + // return &GG{} + # glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + shader := gl.new_shader('text') + shader.use() + projection := glm.ortho(0, width, 0, height)// 0 at BOT + // projection_new := ortho(0, width, 0, height)// 0 at BOT + // projection := gl.ortho(0, width,height,0) // 0 at TOP + shader.set_mat4('projection', projection) + // FREETYPE + # FT_Library ft; + // All functions return a value different than 0 whenever an error occurred + # if (FT_Init_FreeType(&ft)) + println('ERROR::FREETYPE: Could not init FreeType Library') + // Load font as face + // face := FT_Face{} + mut font_path := 'RobotoMono-Regular.ttf' + if !os.file_exists(font_path) { + exePath := os.getexepath() + exeDir := os.basedir(exePath) + println('Trying to load from $exeDir') + font_path = '${exeDir}/RobotoMono-Regular.ttf' + } + if !os.file_exists(font_path) { + println('failed to load RobotoMono-Regular.ttf') + exit(1) + } + # FT_Face face; + # if (FT_New_Face(ft, font_path.str, 0, &face)) + // # if (FT_New_Face(ft, "/Library/Fonts/Courier New.ttf", 0, &face)) + // # if (FT_New_Face(ft, "/System/Library/Fonts/Apple Color Emoji.ttc", 0, &face)) + { + println('freetyp: Failed to load font') + exit(1) + } + // Set size to load glyphs as + # FT_Set_Pixel_Sizes(face, 0, font_size) ; + // Disable byte-alignment restriction + # glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + // Gen texture + // Load first 128 characters of ASCII set + mut chars := []gg.Character{} + f := Face { + cobj: 0 + } + # f.cobj = &face; + // # for (GLubyte c = 0; c < 128; c++) + for c := 0; c < 128; c++ { + // ch := Character{} + // ch:=ft_load_char(face, c) + // # ch =gg__ft_load_char(&face, &c); + // //////////////////////////////// + mut ch := ft_load_char(f, i64(c)) + // s := utf32_to_str(uint(0x043f)) + // s := 'п' + // ch = ft_load_char(f, s.utf32_code()) + // # ch = gg__ft_load_char(f, 0x043f); // RUS P + // # unsigned long c = FT_Get_Char_Index(face, 0x043f ); + // # printf("!!!!!!!!! %lu\n", c); + // # c = FT_Get_Char_Index(face, 0xd0bf ); + // # printf("!!!!!!!!! %lu\n", c); + // # ch = gg__ft_load_char(f, 0xd0bf) ; // UTF 8 + chars << ch + } + ch := Character{} + // # ch = gg__ft_load_char(f, 0x0000043f); + // # ch = gg__ft_load_char(f, 128169); + // chars.push(ch) + // Configure VAO + VAO := gl.gen_vertex_array() + println('new gg text context VAO=$VAO') + VBO := gl.gen_buffer() + gl.bind_vao(VAO) + gl.bind_buffer(GL_ARRAY_BUFFER, VBO) + // # glBufferData(GL_ARRAY_BUFFER, sizeof(GLf32) * 6 * 4, NULL, GL_DYNAMIC_DRAW); + gl.enable_vertex_attrib_array(0) + gl.vertex_attrib_pointer(0, 4, GL_FLOAT, false, 4, 0) + // # glVertexAttribPointer(0, 4, GL_FLOAT,false, 4 * sizeof(GLf32), 0); + // gl.bind_buffer(GL_ARRAY_BUFFER, uint(0)) + // # glBindVertexArray(0); + mut ctx := &GG { + shader: shader, + width: width, + height: height, + scale: scale + VAO: VAO, + VBO: VBO, + chars: chars, + face: f + text_ctx: 0 + } + ctx.init_utf8_runes() + return ctx +} + +// A dirty hack to implement rendering of cyrillic letters. +// All UTF-8 must be supported. +fn (ctx mut GG) init_utf8_runes() { + s := '≈йцукенгшщзхъфывапролджэячсмитьбюЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭЯЧСМИТЬБЮ' + println(s) + us := s.ustring() + for i := 0; i < us.len; i++ { + _rune := us.at(i) + ch := ft_load_char(ctx.face, _rune.utf32_code()) + // ctx.utf_rune_map.set(rune, ch) + ctx.utf_runes << _rune + ctx.utf_chars << ch + } +} + +// fn (ctx &GG) render_text(text string, x, y, scale f32, color gx.Color) { +pub fn (ctx &GG) draw_text(_x, _y int, text string, cfg gx.TextCfg) { + // dont draw non ascii for now + /* + for i := 0; i < text.len; i++ { + c := text[i] + if int(c) > 128 { + // ctx.text_ctx._draw_text(_x, _y, '[NON ASCII]', cfg) + // return + } + } +*/ + // # glScissor(0,0,300,300); + utext := text.ustring_tmp() + // utext := text.ustring() + ctx.text_ctx._draw_text(_x, _y, utext, cfg) + // utext.free() + // # glScissor(0,0,ctx->width*2,ctx->height*2); + // gl.disable(GL_SCISSOR_TEST)// TODO + // #free(text.str); +} + +fn (ctx &GG) draw_text_fast(_x, _y int, text ustring, cfg gx.TextCfg) { + ctx.text_ctx._draw_text(_x, _y, text, cfg) +} + +// TODO HACK with second text context +// fn (ctx &GG) _draw_text(_x, _y int, text string, cfg gx.TextCfg) { +fn (ctx &GG) _draw_text(_x, _y int, utext ustring, cfg gx.TextCfg) { + /* + if utext.s.contains('on_seg') { + println('\nat(0)') + println(utext.runes) + firstc := utext.at(0) + println('drawtext "$utext.s" len=$utext.s.len ulen=$utext.len x=$_x firstc=$firstc') + if firstc != ' ' { + exit(1) + } + } +*/ + // println('scale=$ctx.scale size=$cfg.size') + if cfg.align == gx.ALIGN_RIGHT { + width := utext.len * 7 + _x -= width + 10 + } + x := f32(_x) * ctx.scale// f32(2) + // println('y=$_y height=$ctx.height') + // _y = _y * int(ctx.scale) //+ 26 + _y = _y * int(ctx.scale) + ((cfg.size * ctx.scale) / 2) + 5 * ctx.scale + y := f32(ctx.height - _y) + color := cfg.color + // Activate corresponding render state + ctx.shader.use() + ctx.shader.set_color('textColor', color) + # glActiveTexture(GL_TEXTURE0); + gl.bind_vao(ctx.VAO) + // Iterate through all characters + // utext := text.ustring() + for i := 0; i < utext.len; i++ { + _rune := utext.at(i) + // println('$i => $_rune') + mut ch := Character{} + if _rune.len == 1 { + idx := _rune[0] + if idx < 0 || idx >= ctx.chars.len { + println('BADE RUNE $_rune') + continue + } + ch = ctx.chars[_rune[0]] + } + else if _rune.len > 1 { + // TODO O(1) use map + for j := 0; j < ctx.utf_runes.len; j++ { + rune_j := ctx.utf_runes[j] + // if string_eq(ctx.utf_runes[j], rune) { + if rune_j==_rune { + ch = ctx.utf_chars[j] + break + } + } + } + if ch.size.x == 0 { + // continue + } + // mut c := int(text[i]) + // c = 128 + // s := 'A' + // c := int(s[0]) + // ch := ctx.chars[c] + xpos := x + f32(ch.bearing.x) * 1 + ypos := y - f32(ch.size.y - ch.bearing.y) * 1 + w := f32(ch.size.x) * 1 + h := f32(ch.size.y) * 1 + // Update VBO for each character + # GLfloat vertices[6][4] = { + # { xpos, ypos + h, 0.0, 0.0 }, + # { xpos, ypos, 0.0, 1.0 }, + # { xpos + w, ypos, 1.0, 1.0 }, + # { xpos, ypos + h, 0.0, 0.0 }, + # { xpos + w, ypos, 1.0, 1.0 }, + # { xpos + w, ypos + h, 1.0, 0.0 } + # }; + // t := glfw.get_time() + // Render glyph texture over quad + // t1 := glfw.get_time() + # glBindTexture(GL_TEXTURE_2D, ch.texture_id); + // Update content of VBO memory + gl.bind_buffer(GL_ARRAY_BUFFER, ctx.VBO) + // t2 := glfw.get_time() + // # glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), vertices); // Be sure to use glBufferSubData and not glBufferData + # glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_DYNAMIC_DRAW); + // t3 := glfw.get_time() + // gl.bind_buffer(GL_ARRAY_BUFFER, uint(0)) + // t4 := glfw.get_time() + // Render quad + gl.draw_arrays(GL_TRIANGLES, 0, 6) + // t5 := glfw.get_time() + // # if (glfw__get_time() - t > 0.001) + // { + // # printf("do_text = %f '%s' \n", glfw__get_time() - t, text.str); + // # printf("t1=%f, t2=%f, t3=%f, t4=%f, t5=%f\n\n\n", t1-t, t2-t1, t3-t2, t4-t3, t5-t4); + // } + // Now advance cursors for next glyph (note that advance is number of 1/64 pixels) + // Bitshift by 6 to get value in pixels (2^6 = 64 (divide amount of 1/64th pixels by 64 to get amount of pixels)) + # x += (ch.advance >> 6) * 1; + } + gl.bind_vao(u32(0)) + # glBindTexture(GL_TEXTURE_2D, 0); + // runes.free() + // #free(runes.data); +} + +pub fn (ctx &GG) draw_text_def(x, y int, text string) { + cfg := gx.TextCfg { + color: gx.Black, + size: DEFAULT_FONT_SIZE, + align: gx.ALIGN_LEFT, + } + ctx.draw_text(x, y, text, cfg) +} diff --git a/vlib/gg/gg.v b/vlib/gg/gg.v index c07b677715..f0c2c1a64b 100644 --- a/vlib/gg/gg.v +++ b/vlib/gg/gg.v @@ -8,13 +8,6 @@ import stbi import glm import gl -#flag darwin -I/usr/local/Cellar/freetype/2.10.0/include/freetype2 -#flag -lfreetype -#flag linux -I/usr/include/freetype2 -#flag linux -I. -#include "ft2build.h" -#include FT_FREETYPE_H -#include "glad.h" struct Vec2 { x int y int @@ -40,13 +33,6 @@ pub fn vec2(x, y int) Vec2 { return res } -struct Character { - texture_id u32 - size Vec2 - bearing Vec2 - advance u32 -} - pub fn init() { println(gl.TEXT_VERT) gl.init_glad() @@ -75,11 +61,6 @@ struct GG { line_vao u32 line_vbo u32 VBO u32 - chars []gg.Character - utf_runes []string - utf_chars []gg.Character - text_ctx *GG - face Face scale int // retina = 2 , normal = 1 } @@ -112,11 +93,11 @@ pub fn new_context(cfg Cfg) *GG { */ // projection_new := ortho(0, width, height, 0) // println('\nORTHO OLD=') - # for (int i=0;i<16;i++) printf("%d=%f ",i, projection.data[i]); + //# for (int i=0;i<16;i++) printf("%d=%f ",i, projection.data[i]); // println('\n\n!ORTHO NEW=') // # for (int i=0;i<16;i++) printf("%d=%f ",i, projection_new[i]); // println('\n\n') - println('setting o') + //println('setting o') shader.set_mat4('projection', projection) } else { @@ -125,21 +106,29 @@ pub fn new_context(cfg Cfg) *GG { shader.set_mat4('projection', glm.identity()) } VAO := gl.gen_vertex_array() - println('new gg context VAO=$VAO') + //println('new gg context VAO=$VAO') VBO := gl.gen_buffer() mut scale := 1 if cfg.retina { scale = 2 } + gl.enable(GL_BLEND) + # glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + //println('new gg text context VAO=$VAO') + gl.bind_vao(VAO) + gl.bind_buffer(GL_ARRAY_BUFFER, VBO) + gl.enable_vertex_attrib_array(0) + gl.vertex_attrib_pointer(0, 4, GL_FLOAT, false, 4, 0) + todo_remove_me(cfg, scale) mut ctx := &GG { - shader: shader, - width: cfg.width, - height: cfg.height, - VAO: VAO, - VBO: VBO, + shader: shader + width: cfg.width + height: cfg.height + VAO: VAO + VBO: VBO // /line_vao: gl.gen_vertex_array() // /line_vbo: gl.gen_buffer() - text_ctx: new_context_text(cfg, scale), + //text_ctx: new_context_text(cfg, scale), scale: scale // use_ortho: use_ortho } @@ -265,66 +254,15 @@ pub fn (ctx &GG) draw_rect2(x, y, w, h f32, c gx.Color) { C.glDeleteBuffers(1, &ebo) } -// jfn ft_load_char(face FT_Face, code FT_ULong) Character { -// fn ft_load_char(_face voidptr, _code voidptr) Character { -fn ft_load_char(_face Face, code i64) Character { - // #FT_Face face = *(FT_Face*)(_face); FT_ULong code = *(FT_ULong*)(code); - # FT_Face face = *((FT_Face*)_face.cobj); - # if (FT_Load_Char(face, code, FT_LOAD_RENDER)) - { - println('freetype: Failed to load Glyph') - exit(1) - } - // Generate texture - # GLuint texture; - # glGenTextures(1, &texture); - # glBindTexture(GL_TEXTURE_2D, texture); - # glTexImage2D( - # GL_TEXTURE_2D, - # 0, - # GL_RED, - # face->glyph->bitmap.width, - # face->glyph->bitmap.rows, - # 0, - # GL_RED, - # GL_UNSIGNED_BYTE, - # face->glyph->bitmap.buffer - # ); - // Set texture options - # glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - # glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - # glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - # glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - // Now store character for later use - ch := Character{} - # ch.texture_id=texture ; - # ch.size = gg__vec2(face->glyph->bitmap.width, face->glyph->bitmap.rows); - # ch.bearing = gg__vec2(face->glyph->bitmap_left, face->glyph->bitmap_top), - # ch.advance = face->glyph->advance.x; - return ch -} - -pub fn new_context_text(cfg Cfg, scale int) *GG { +fn todo_remove_me(cfg Cfg, scale int) { // Can only have text in ortho mode if !cfg.use_ortho { - return &GG{text_ctx: 0} + return &GG{} } mut width := cfg.width * scale mut height := cfg.height * scale font_size := cfg.font_size * scale - // exit('fs=$font_size') - // if false { - // retina - // width = width * 2// scale// 2 - // height = height * 2// scale// 2 - // font_size *= scale// 2 - // } - /* - gl.viewport(0, 0, width, height) -*/ - // gl.enable(GL_CULL_FACE) // TODO NEED CULL? MEANS SHIT IS BROKEN? gl.enable(GL_BLEND) - // return &GG{} # glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); shader := gl.new_shader('text') shader.use() @@ -332,246 +270,13 @@ pub fn new_context_text(cfg Cfg, scale int) *GG { // projection_new := ortho(0, width, 0, height)// 0 at BOT // projection := gl.ortho(0, width,height,0) // 0 at TOP shader.set_mat4('projection', projection) - // FREETYPE - # FT_Library ft; - // All functions return a value different than 0 whenever an error occurred - # if (FT_Init_FreeType(&ft)) - println('ERROR::FREETYPE: Could not init FreeType Library') - // Load font as face - // face := FT_Face{} - mut font_path := 'RobotoMono-Regular.ttf' - if !os.file_exists(font_path) { - exePath := os.getexepath() - exeDir := os.basedir(exePath) - println('Trying to load from $exeDir') - font_path = '${exeDir}/RobotoMono-Regular.ttf' - } - if !os.file_exists(font_path) { - println('failed to load RobotoMono-Regular.ttf') - exit(1) - } - # FT_Face face; - # if (FT_New_Face(ft, font_path.str, 0, &face)) - // # if (FT_New_Face(ft, "/Library/Fonts/Courier New.ttf", 0, &face)) - // # if (FT_New_Face(ft, "/System/Library/Fonts/Apple Color Emoji.ttc", 0, &face)) - { - println('freetyp: Failed to load font') - exit(1) - } - // Set size to load glyphs as - # FT_Set_Pixel_Sizes(face, 0, font_size) ; - // Disable byte-alignment restriction - # glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - // Gen texture - // Load first 128 characters of ASCII set - mut chars := []gg.Character{} - f := Face { - cobj: 0 - } - # f.cobj = &face; - // # for (GLubyte c = 0; c < 128; c++) - for c := 0; c < 128; c++ { - // ch := Character{} - // ch:=ft_load_char(face, c) - // # ch =gg__ft_load_char(&face, &c); - // //////////////////////////////// - mut ch := ft_load_char(f, i64(c)) - // s := utf32_to_str(uint(0x043f)) - // s := 'п' - // ch = ft_load_char(f, s.utf32_code()) - // # ch = gg__ft_load_char(f, 0x043f); // RUS P - // # unsigned long c = FT_Get_Char_Index(face, 0x043f ); - // # printf("!!!!!!!!! %lu\n", c); - // # c = FT_Get_Char_Index(face, 0xd0bf ); - // # printf("!!!!!!!!! %lu\n", c); - // # ch = gg__ft_load_char(f, 0xd0bf) ; // UTF 8 - chars << ch - } - ch := Character{} - // # ch = gg__ft_load_char(f, 0x0000043f); - // # ch = gg__ft_load_char(f, 128169); - // chars.push(ch) - // Configure VAO VAO := gl.gen_vertex_array() - println('new gg text context VAO=$VAO') + //println('new gg text context VAO=$VAO') VBO := gl.gen_buffer() gl.bind_vao(VAO) gl.bind_buffer(GL_ARRAY_BUFFER, VBO) - // # glBufferData(GL_ARRAY_BUFFER, sizeof(GLf32) * 6 * 4, NULL, GL_DYNAMIC_DRAW); gl.enable_vertex_attrib_array(0) gl.vertex_attrib_pointer(0, 4, GL_FLOAT, false, 4, 0) - // # glVertexAttribPointer(0, 4, GL_FLOAT,false, 4 * sizeof(GLf32), 0); - // gl.bind_buffer(GL_ARRAY_BUFFER, uint(0)) - // # glBindVertexArray(0); - mut ctx := &GG { - shader: shader, - width: width, - height: height, - scale: scale - VAO: VAO, - VBO: VBO, - chars: chars, - face: f - text_ctx: 0 - } - ctx.init_utf8_runes() - return ctx -} - -// A dirty hack to implement rendering of cyrillic letters. -// All UTF-8 must be supported. -fn (ctx mut GG) init_utf8_runes() { - s := '≈йцукенгшщзхъфывапролджэячсмитьбюЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭЯЧСМИТЬБЮ' - println(s) - us := s.ustring() - for i := 0; i < us.len; i++ { - _rune := us.at(i) - ch := ft_load_char(ctx.face, _rune.utf32_code()) - // ctx.utf_rune_map.set(rune, ch) - ctx.utf_runes << _rune - ctx.utf_chars << ch - } -} - -// fn (ctx &GG) render_text(text string, x, y, scale f32, color gx.Color) { -pub fn (ctx &GG) draw_text(_x, _y int, text string, cfg gx.TextCfg) { - // dont draw non ascii for now - /* - for i := 0; i < text.len; i++ { - c := text[i] - if int(c) > 128 { - // ctx.text_ctx._draw_text(_x, _y, '[NON ASCII]', cfg) - // return - } - } -*/ - // # glScissor(0,0,300,300); - utext := text.ustring_tmp() - // utext := text.ustring() - ctx.text_ctx._draw_text(_x, _y, utext, cfg) - // utext.free() - // # glScissor(0,0,ctx->width*2,ctx->height*2); - // gl.disable(GL_SCISSOR_TEST)// TODO - // #free(text.str); -} - -fn (ctx &GG) draw_text_fast(_x, _y int, text ustring, cfg gx.TextCfg) { - ctx.text_ctx._draw_text(_x, _y, text, cfg) -} - -// TODO HACK with second text context -// fn (ctx &GG) _draw_text(_x, _y int, text string, cfg gx.TextCfg) { -fn (ctx &GG) _draw_text(_x, _y int, utext ustring, cfg gx.TextCfg) { - /* - if utext.s.contains('on_seg') { - println('\nat(0)') - println(utext.runes) - firstc := utext.at(0) - println('drawtext "$utext.s" len=$utext.s.len ulen=$utext.len x=$_x firstc=$firstc') - if firstc != ' ' { - exit(1) - } - } -*/ - // println('scale=$ctx.scale size=$cfg.size') - if cfg.align == gx.ALIGN_RIGHT { - width := utext.len * 7 - _x -= width + 10 - } - x := f32(_x) * ctx.scale// f32(2) - // println('y=$_y height=$ctx.height') - // _y = _y * int(ctx.scale) //+ 26 - _y = _y * int(ctx.scale) + ((cfg.size * ctx.scale) / 2) + 5 * ctx.scale - y := f32(ctx.height - _y) - color := cfg.color - // Activate corresponding render state - ctx.shader.use() - ctx.shader.set_color('textColor', color) - # glActiveTexture(GL_TEXTURE0); - gl.bind_vao(ctx.VAO) - // Iterate through all characters - // utext := text.ustring() - for i := 0; i < utext.len; i++ { - _rune := utext.at(i) - // println('$i => $_rune') - mut ch := Character{} - if _rune.len == 1 { - idx := _rune[0] - if idx < 0 || idx >= ctx.chars.len { - println('BADE RUNE $_rune') - continue - } - ch = ctx.chars[_rune[0]] - } - else if _rune.len > 1 { - // TODO O(1) use map - for j := 0; j < ctx.utf_runes.len; j++ { - rune_j := ctx.utf_runes[j] - // if string_eq(ctx.utf_runes[j], rune) { - if rune_j==_rune { - ch = ctx.utf_chars[j] - break - } - } - } - if ch.size.x == 0 { - // continue - } - // mut c := int(text[i]) - // c = 128 - // s := 'A' - // c := int(s[0]) - // ch := ctx.chars[c] - xpos := x + f32(ch.bearing.x) * 1 - ypos := y - f32(ch.size.y - ch.bearing.y) * 1 - w := f32(ch.size.x) * 1 - h := f32(ch.size.y) * 1 - // Update VBO for each character - # GLfloat vertices[6][4] = { - # { xpos, ypos + h, 0.0, 0.0 }, - # { xpos, ypos, 0.0, 1.0 }, - # { xpos + w, ypos, 1.0, 1.0 }, - # { xpos, ypos + h, 0.0, 0.0 }, - # { xpos + w, ypos, 1.0, 1.0 }, - # { xpos + w, ypos + h, 1.0, 0.0 } - # }; - // t := glfw.get_time() - // Render glyph texture over quad - // t1 := glfw.get_time() - # glBindTexture(GL_TEXTURE_2D, ch.texture_id); - // Update content of VBO memory - gl.bind_buffer(GL_ARRAY_BUFFER, ctx.VBO) - // t2 := glfw.get_time() - // # glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), vertices); // Be sure to use glBufferSubData and not glBufferData - # glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_DYNAMIC_DRAW); - // t3 := glfw.get_time() - // gl.bind_buffer(GL_ARRAY_BUFFER, uint(0)) - // t4 := glfw.get_time() - // Render quad - gl.draw_arrays(GL_TRIANGLES, 0, 6) - // t5 := glfw.get_time() - // # if (glfw__get_time() - t > 0.001) - // { - // # printf("do_text = %f '%s' \n", glfw__get_time() - t, text.str); - // # printf("t1=%f, t2=%f, t3=%f, t4=%f, t5=%f\n\n\n", t1-t, t2-t1, t3-t2, t4-t3, t5-t4); - // } - // Now advance cursors for next glyph (note that advance is number of 1/64 pixels) - // Bitshift by 6 to get value in pixels (2^6 = 64 (divide amount of 1/64th pixels by 64 to get amount of pixels)) - # x += (ch.advance >> 6) * 1; - } - gl.bind_vao(u32(0)) - # glBindTexture(GL_TEXTURE_2D, 0); - // runes.free() - // #free(runes.data); -} - -pub fn (ctx &GG) draw_text_def(x, y int, text string) { - cfg := gx.TextCfg { - color: gx.Black, - size: DEFAULT_FONT_SIZE, - align: gx.ALIGN_LEFT, - } - ctx.draw_text(x, y, text, cfg) } fn update() { diff --git a/vlib/gl/1shader.v b/vlib/gl/1shader.v index 5ec7f42002..a84b62060a 100644 --- a/vlib/gl/1shader.v +++ b/vlib/gl/1shader.v @@ -103,7 +103,7 @@ pub fn new_shader(name string) Shader { } vertex_path := '${dir}${name}.vert' fragment_path := '${dir}${name}.frag' - println('shader path=$vertex_path,\n fpath="$fragment_path"') + //println('shader path=$vertex_path,\n fpath="$fragment_path"') // vertex_src := os.read_file(vertex_path.trim_space()) mut vertex_src := '' mut fragment_src := '' diff --git a/vlib/gl/gl.v b/vlib/gl/gl.v index f31f897c9d..cab940d122 100644 --- a/vlib/gl/gl.v +++ b/vlib/gl/gl.v @@ -19,12 +19,11 @@ import const ( GL_ARRAY_BUFFER ) -// TODO: windows support -#flag linux -I @VROOT/thirdparty/glad -#flag darwin -I @VROOT/thirdparty/glad +#flag -I @VROOT/thirdparty/glad #include "glad.h" -#include "glad.c" +#flag @VROOT/thirdparty/glad/glad.o +//#include "glad.c" pub fn init_glad() { ok := C.gladLoadGL() diff --git a/vlib/glfw/glfw.v b/vlib/glfw/glfw.v index 0e71e7403c..b6f63e530d 100644 --- a/vlib/glfw/glfw.v +++ b/vlib/glfw/glfw.v @@ -4,6 +4,10 @@ module glfw +#flag -I @VROOT/thirdparty/glfw + +#flag windows @VROOT/thirdparty/glfw/libglfw3.a + // Debugging a custom build #flag darwin -L/var/tmp/glfw/src/ #flag darwin -lglfw diff --git a/vlib/glm/glm.v b/vlib/glm/glm.v index b3f8ebe74f..3b3de63df7 100644 --- a/vlib/glm/glm.v +++ b/vlib/glm/glm.v @@ -117,7 +117,7 @@ fn (a Vec3) print() { x := a.x y := a.y z := a.z - # printf("vec3{%f,%f,%f}\n",x,y,z); + C.printf('vec3{%f,%f,%f}\n',x,y,z) // println('vec3{$x,$y,$z}') } @@ -162,7 +162,7 @@ fn normalize(vec Vec3) Vec3 { */ // https://github.com/g-truc/glm/blob/0ceb2b755fb155d593854aefe3e45d416ce153a4/glm/ext/matrix_clip_space.inl pub fn ortho(left, right, bottom, top f32) Mat4 { - println('glm ortho($left, $right, $bottom, $top)') + //println('glm ortho($left, $right, $bottom, $top)') // mat<4, 4, T, defaultp> Result(static_cast(1)); n := 16 mut res := f32_calloc(n) diff --git a/vlib/json/json_primitives.v b/vlib/json/json_primitives.v index b892444d10..810895a18e 100644 --- a/vlib/json/json_primitives.v +++ b/vlib/json/json_primitives.v @@ -9,7 +9,8 @@ module json #flag linux -I @VROOT/thirdparty/cJSON #flag darwin -I @VROOT/thirdparty/cJSON -// #include "cJSON.c" +#flag @VROOT/thirdparty/cJSON/cJSON.o + #include "cJSON.h" struct C.cJSON { valueint int diff --git a/vlib/os/os.v b/vlib/os/os.v index 3206808402..973822e9c8 100644 --- a/vlib/os/os.v +++ b/vlib/os/os.v @@ -615,7 +615,7 @@ pub fn ls(path string) []string { } $else { mut res := []string - dir := C.opendir(path.str) + dir := C.opendir(path.cstr()) if isnil(dir) { println('ls() couldnt open dir "$path"') print_c_errno() diff --git a/vlib/stbi/stbi.v b/vlib/stbi/stbi.v index 4f6e63f9fa..9e82ef8862 100644 --- a/vlib/stbi/stbi.v +++ b/vlib/stbi/stbi.v @@ -6,8 +6,7 @@ module stbi import gl -#flag linux -I @VROOT/thirdparty/stb_image -#flag darwin -I @VROOT/thirdparty/stb_image +#flag -I @VROOT/thirdparty/stb_image #define STB_IMAGE_IMPLEMENTATION #include "stb_image.h"