273 lines
6.3 KiB
C
273 lines
6.3 KiB
C
/* See LICENSE for license details. */
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/* Arbitrary sizes */
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#define UTF_SIZ 4
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/* macros */
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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#define MAX(a, b) ((a) < (b) ? (b) : (a))
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#define LEN(a) (sizeof(a) / sizeof(a)[0])
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#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
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#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d))
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#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
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#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \
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(a).bg != (b).bg)
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#define IS_SET(flag) ((term.mode & (flag)) != 0)
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#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \
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(t1.tv_nsec-t2.tv_nsec)/1E6)
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#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
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#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
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#define IS_TRUECOL(x) (1 << 24 & (x))
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enum glyph_attribute {
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ATTR_NULL = 0,
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ATTR_BOLD = 1 << 0,
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ATTR_FAINT = 1 << 1,
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ATTR_ITALIC = 1 << 2,
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ATTR_UNDERLINE = 1 << 3,
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ATTR_BLINK = 1 << 4,
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ATTR_REVERSE = 1 << 5,
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ATTR_INVISIBLE = 1 << 6,
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ATTR_STRUCK = 1 << 7,
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ATTR_WRAP = 1 << 8,
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ATTR_WIDE = 1 << 9,
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ATTR_WDUMMY = 1 << 10,
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ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
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};
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enum term_mode {
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MODE_WRAP = 1 << 0,
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MODE_INSERT = 1 << 1,
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MODE_APPKEYPAD = 1 << 2,
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MODE_ALTSCREEN = 1 << 3,
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MODE_CRLF = 1 << 4,
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MODE_MOUSEBTN = 1 << 5,
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MODE_MOUSEMOTION = 1 << 6,
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MODE_REVERSE = 1 << 7,
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MODE_KBDLOCK = 1 << 8,
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MODE_HIDE = 1 << 9,
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MODE_ECHO = 1 << 10,
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MODE_APPCURSOR = 1 << 11,
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MODE_MOUSESGR = 1 << 12,
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MODE_8BIT = 1 << 13,
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MODE_BLINK = 1 << 14,
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MODE_FBLINK = 1 << 15,
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MODE_FOCUS = 1 << 16,
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MODE_MOUSEX10 = 1 << 17,
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MODE_MOUSEMANY = 1 << 18,
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MODE_BRCKTPASTE = 1 << 19,
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MODE_PRINT = 1 << 20,
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MODE_UTF8 = 1 << 21,
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MODE_SIXEL = 1 << 22,
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MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
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|MODE_MOUSEMANY,
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};
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enum selection_mode {
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SEL_IDLE = 0,
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SEL_EMPTY = 1,
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SEL_READY = 2
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};
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enum selection_type {
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SEL_REGULAR = 1,
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SEL_RECTANGULAR = 2
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};
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enum selection_snap {
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SNAP_WORD = 1,
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SNAP_LINE = 2
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};
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enum window_state {
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WIN_VISIBLE = 1,
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WIN_FOCUSED = 2
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};
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typedef unsigned char uchar;
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typedef unsigned int uint;
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typedef unsigned long ulong;
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typedef unsigned short ushort;
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typedef uint_least32_t Rune;
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typedef struct {
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Rune u; /* character code */
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ushort mode; /* attribute flags */
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uint32_t fg; /* foreground */
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uint32_t bg; /* background */
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} Glyph;
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typedef Glyph *Line;
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typedef struct {
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Glyph attr; /* current char attributes */
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int x;
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int y;
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char state;
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} TCursor;
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/* Internal representation of the screen */
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typedef struct {
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int row; /* nb row */
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int col; /* nb col */
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Line *line; /* screen */
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Line *alt; /* alternate screen */
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int *dirty; /* dirtyness of lines */
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GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
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TCursor c; /* cursor */
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int top; /* top scroll limit */
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int bot; /* bottom scroll limit */
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int mode; /* terminal mode flags */
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int esc; /* escape state flags */
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char trantbl[4]; /* charset table translation */
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int charset; /* current charset */
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int icharset; /* selected charset for sequence */
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int numlock; /* lock numbers in keyboard */
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int *tabs;
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} Term;
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/* Purely graphic info */
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typedef struct {
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int tw, th; /* tty width and height */
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int w, h; /* window width and height */
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int ch; /* char height */
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int cw; /* char width */
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char state; /* focus, redraw, visible */
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int cursor; /* cursor style */
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} TermWindow;
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typedef struct {
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uint b;
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uint mask;
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char *s;
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} MouseShortcut;
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typedef struct {
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int mode;
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int type;
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int snap;
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/*
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* Selection variables:
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* nb – normalized coordinates of the beginning of the selection
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* ne – normalized coordinates of the end of the selection
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* ob – original coordinates of the beginning of the selection
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* oe – original coordinates of the end of the selection
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*/
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struct {
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int x, y;
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} nb, ne, ob, oe;
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char *primary, *clipboard;
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int alt;
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struct timespec tclick1;
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struct timespec tclick2;
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//Atom xtarget;
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} Selection;
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typedef union {
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int i;
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uint ui;
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float f;
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const void *v;
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} Arg;
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typedef struct {
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uint mod;
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KeySym keysym;
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void (*func)(const Arg *);
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const Arg arg;
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} Shortcut;
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void die(const char *, ...);
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void redraw(void);
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int tattrset(int);
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void tnew(int, int);
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void tsetdirt(int, int);
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void tsetdirtattr(int);
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int match(uint, uint);
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void ttynew(void);
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size_t ttyread(void);
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void ttyresize(void);
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void ttysend(char *, size_t);
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void ttywrite(const char *, size_t);
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void resettitle(void);
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char *kmap(KeySym, uint);
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void cresize(int, int);
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void selclear(void);
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void selinit(void);
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void selnormalize(void);
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int selected(int, int);
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char *getsel(void);
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int x2col(int);
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int y2row(int);
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size_t utf8decode(char *, Rune *, size_t);
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size_t utf8encode(Rune, char *);
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void *xmalloc(size_t);
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char *xstrdup(char *);
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void usage(void);
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/* Globals */
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extern TermWindow win;
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extern Term term;
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extern Selection sel;
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extern int cmdfd;
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extern pid_t pid;
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extern char **opt_cmd;
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extern char *opt_class;
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extern char *opt_embed;
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extern char *opt_font;
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extern char *opt_io;
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extern char *opt_line;
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extern char *opt_name;
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extern char *opt_title;
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extern int oldbutton;
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extern char *usedfont;
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extern double usedfontsize;
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extern double defaultfontsize;
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/* config.h globals */
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extern char font[];
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extern int borderpx;
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extern float cwscale;
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extern float chscale;
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extern unsigned int doubleclicktimeout;
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extern unsigned int tripleclicktimeout;
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extern int allowaltscreen;
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extern unsigned int xfps;
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extern unsigned int actionfps;
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extern unsigned int cursorthickness;
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extern unsigned int blinktimeout;
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extern char termname[];
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extern const char *colorname[];
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extern size_t colornamelen;
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extern unsigned int defaultfg;
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extern unsigned int defaultbg;
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extern unsigned int defaultcs;
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extern unsigned int defaultrcs;
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extern unsigned int cursorshape;
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extern unsigned int cols;
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extern unsigned int rows;
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extern unsigned int mouseshape;
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extern unsigned int mousefg;
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extern unsigned int mousebg;
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extern unsigned int defaultattr;
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extern MouseShortcut mshortcuts[];
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extern size_t mshortcutslen;
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extern Shortcut shortcuts[];
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extern size_t shortcutslen;
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extern uint forceselmod;
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extern uint selmasks[];
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extern size_t selmaskslen;
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extern char ascii_printable[];
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