374 lines
7.6 KiB
V
374 lines
7.6 KiB
V
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module glfw
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// note: we might need special case for this
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// see TmpGlImportHack below (joe-c)
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import gl
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#flag -I @VROOT/thirdparty/glfw
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#flag -L @VROOT/thirdparty/glfw
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// Debugging a custom build
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//-#flag darwin -L/var/tmp/glfw/src/
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// MacPorts
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#flag darwin -L/opt/local/lib
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#flag darwin -lglfw
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#flag freebsd -I/usr/local/include
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#flag freebsd -Wl,-L/usr/local/lib,-lglfw
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#flag solaris -I/opt/local/include
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#flag solaris -L/opt/local/lib
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#flag solaris -lglfw
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#flag linux -lglfw
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#flag windows -lgdi32 -lshell32 -lglfw3
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#flag mingw -mwindows
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#include <GLFW/glfw3.h>
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// #flag darwin -framework Carbon
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// #flag darwin -framework Cocoa
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// #flag darwin -framework CoreVideo
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// #flag darwin -framework IOKit
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pub const (
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resizable = 1
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decorated = 2
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)
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pub const (
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key_escape = 256
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key_space = 32
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key_left_super = 343
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key_up = 265
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key_left = 263
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key_right = 262
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key_down = 264
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)
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fn C.glfwGetWindowUserPointer() voidptr
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fn C.glfwGetPrimaryMonitor() voidptr
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fn C.glfwSetWindowUserPointer()
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fn C.glfwSetCursor()
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fn C.glfwGetCursorPos()
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fn C.glfwSetClipboardString()
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fn C.glfwGetWindowContentScale()
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fn C.glfwGetClipboardString()
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fn C.glfwGetKey()
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fn C.glfwGetTime() f64
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fn C.glfwSetCharModsCallback()
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fn C.glfwSetKeyCallback()
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fn C.glfwPostEmptyEvent()
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fn C.glfwSetScrollCallback()
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fn C.glfwSetWindowSizeCallback()
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fn C.glfwSetMouseButtonCallback()
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fn C.glfwSetCursorPosCallback()
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fn C.glfwSwapBuffers()
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fn C.glfwWindowShouldClose() bool
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fn C.glfwSetWindowShouldClose()
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fn C.glfwWaitEvents()
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fn C.glfwPollEvents()
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fn C.glfwSwapInterval()
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fn C.glfwMakeContextCurrent()
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fn C.glfwSetWindowTitle()
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fn C.glfwTerminate()
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fn C.glfwCreateWindow(w int, h int, title charptr, m voidptr, sh voidptr) voidptr
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fn C.glfwWindowHint()
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fn C.glfwDestroyWindow()
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fn C.glfwInit()
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fn C.glGetIntegerv()
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// joe-c: fix & remove
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struct TmpGlImportHack {
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hack gl.TmpGlImportHack
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}
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pub struct WinCfg {
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width int
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height int
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title string
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ptr voidptr
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borderless bool
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is_modal int
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is_browser bool
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url string
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always_on_top bool
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scale_to_monitor bool = true
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}
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// data *C.GLFWwindow
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// TODO change data to cobj
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pub struct Window {
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data voidptr
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title string
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mx int
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my int
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scale_ f32
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}
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pub struct Size {
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pub:
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width int
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height int
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}
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pub struct Pos {
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pub:
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x int
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y int
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}
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// type clickpub fn pub fn (window * GLFWwindow, button, action, mods int)
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type ClickPubFn fn (window voidptr, button, action, mods int)
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/*
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* TODO broken
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fn init() {
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init_glfw()
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}
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*/
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pub fn init_glfw() {
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C.glfwInit()
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C.glfwWindowHint(C.GLFW_CONTEXT_VERSION_MAJOR, 3)
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C.glfwWindowHint(C.GLFW_CONTEXT_VERSION_MINOR, 3)
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C.glfwWindowHint(C.GLFW_OPENGL_FORWARD_COMPAT, C.GL_TRUE)
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C.glfwWindowHint(C.GLFW_OPENGL_PROFILE, C.GLFW_OPENGL_CORE_PROFILE)
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}
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pub fn (w &Window) destroy() {
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C.glfwDestroyWindow(w.data)
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}
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pub fn terminate() {
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C.glfwTerminate()
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}
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// pub fn mouse_move(w * GLFWwindow, x, y double) {
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pub fn mouse_move(w voidptr, x, y f64) {
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// #printf("%f : %f => %d \n", x,y);
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}
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pub fn window_hint(key, val int) {
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C.glfwWindowHint(key, val)
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}
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pub fn create_window(c WinCfg) &Window {
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if c.borderless {
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window_hint(C.GLFW_RESIZABLE, 0)
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window_hint(C.GLFW_DECORATED, 0)
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}
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if c.always_on_top {
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window_hint(C.GLFW_FLOATING, 1)
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}
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if c.scale_to_monitor {
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$if windows {
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window_hint(C.GLFW_SCALE_TO_MONITOR, 1)
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}
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}
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cwindow := C.glfwCreateWindow(c.width, c.height, c.title.str, 0, 0)
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if isnil(cwindow) {
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println('failed to create a glfw window, make sure you have a GPU driver installed')
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C.glfwTerminate()
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}
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// println('create window wnd=$cwindow ptr==$c.ptr')
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C.glfwSetWindowUserPointer(cwindow, c.ptr)
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mut scale := f32(1.0)
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$if windows {
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C.glfwGetWindowContentScale(cwindow, &scale, &scale)
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}
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$else {
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scale = 1.0
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}
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window := &Window {
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data: cwindow,
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title: c.title,
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scale_: scale
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}
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return window
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}
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pub fn (w &Window) set_title(title string) {
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C.glfwSetWindowTitle(w.data, title.str)
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}
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pub fn (w &Window) make_context_current() {
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C.glfwMakeContextCurrent(w.data)
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}
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pub fn (w &Window) scale() f32 {
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return w.scale_
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}
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pub fn swap_interval(interval int) {
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C.glfwSwapInterval(interval)
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}
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pub fn wait_events() {
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C.glfwWaitEvents()
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}
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pub fn poll_events() {
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C.glfwPollEvents()
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}
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pub fn set_should_close(w voidptr, close bool) {
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C.glfwSetWindowShouldClose(w, close)
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}
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pub fn (w &Window) set_should_close(close bool) {
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C.glfwSetWindowShouldClose(w.data, close)
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}
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pub fn (w &Window) should_close() bool {
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return C.glfwWindowShouldClose(w.data)
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}
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pub fn (w &Window) swap_buffers() {
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C.glfwSwapBuffers(w.data)
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}
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pub fn (mut w Window) onmousemove(cb voidptr) {
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C.glfwSetCursorPosCallback(w.data, cb)
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}
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pub fn (mut w Window) set_mouse_button_callback(cb voidptr) {
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C.glfwSetMouseButtonCallback(w.data, cb)
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}
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pub fn (mut w Window) on_resize(cb voidptr) {
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C.glfwSetWindowSizeCallback(w.data, cb)
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}
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pub fn (mut w Window) on_click(cb voidptr) {
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C.glfwSetMouseButtonCallback(w.data, cb)
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}
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pub fn (w &Window) set_scroll_callback(cb voidptr) {
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C.glfwSetScrollCallback(w.data, cb)
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}
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pub fn (w &Window) on_scroll(cb voidptr) {
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C.glfwSetScrollCallback(w.data, cb)
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}
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pub fn post_empty_event() {
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C.glfwPostEmptyEvent()
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}
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pub fn (mut w Window) onkeydown(cb voidptr) {
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C.glfwSetKeyCallback(w.data, cb)
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}
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pub fn (mut w Window) onchar(cb voidptr) {
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C.glfwSetCharModsCallback(w.data, cb)
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}
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pub fn get_time() f64 {
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return C.glfwGetTime()
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}
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pub fn key_pressed(wnd voidptr, key int) bool {
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return int(C.glfwGetKey(wnd, key)) == C.GLFW_PRESS
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}
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pub fn (w &Window) get_clipboard_text() string {
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return string(byteptr(C.glfwGetClipboardString(w.data)))
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}
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pub fn (w &Window) set_clipboard_text(s string) {
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C.glfwSetClipboardString(w.data, s.str)
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}
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pub fn get_cursor_pos(cwindow voidptr) (f64, f64) {
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x := f64(0)
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y := f64(0)
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C.glfwGetCursorPos(cwindow, &x, &y)
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mut scale := f32(1.0)
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$if windows {
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C.glfwGetWindowContentScale(cwindow, &scale, &scale)
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}
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$else {
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scale = 1.0
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}
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return x/scale, y/scale
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}
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pub fn (w &Window) get_cursor_pos() Pos {
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x := f64(0)
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y := f64(0)
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C.glfwGetCursorPos(w.data, &x, &y)
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return Pos {
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x: int(x/w.scale_)
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y: int(y/w.scale_)
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}
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}
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enum Cursor {
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arrow
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ibeam
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hand
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}
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pub fn set_cursor(c Cursor) {
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C.glfwSetCursor(0, C.GLFW_IBEAM_CURSOR)
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}
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pub fn (w &Window) set_cursor(c Cursor) {
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C.glfwSetCursor(w.data, C.GLFW_IBEAM_CURSOR)
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}
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pub fn (w &Window) user_ptr() voidptr {
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return C.glfwGetWindowUserPointer(w.data)
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}
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pub fn (w &Window) set_user_ptr(ptr voidptr) {
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C.glfwSetWindowUserPointer(w.data, ptr)
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}
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struct C.GLFWvidmode {
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width int
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height int
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}
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pub fn C.glfwGetVideoMode() &C.GLFWvidmode
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pub fn get_monitor_size() Size {
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//# GLFWvidmode* mode = glfwGetVideoMode(glfwGetPrimaryMonitor());
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mode := C.glfwGetVideoMode(C.glfwGetPrimaryMonitor())
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return Size{mode.width, mode.height}
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}
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fn C.glfwGetWindowSize(window &Window, width &int, height &int) // screen coordinates
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fn C.glfwGetFramebufferSize(window &Window, width &int, height &int) // pixels
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// get_window_size in screen coordinates
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pub fn (w &Window) get_window_size() Size {
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res := Size {0, 0}
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C.glfwGetWindowSize(w.data, &res.width, &res.height)
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return res
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}
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// get_framebuffer_size in pixels
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pub fn (w &Window) get_framebuffer_size() Size {
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res := Size {0, 0}
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C.glfwGetFramebufferSize(w.data, &res.width, &res.height)
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return res
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}
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pub fn (size Size) str() string {
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return '{$size.width, $size.height}'
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}
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pub fn get_window_user_pointer(gwnd voidptr) voidptr {
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return C.glfwGetWindowUserPointer(gwnd)
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}
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