st

my customized branch of st
git clone git://git.jakekoroman.com/st
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st.h (3400B)

      1 /* See LICENSE for license details. */
      2 
      3 #include <stdint.h>
      4 #include <sys/types.h>
      5 
      6 /* macros */
      7 #define MIN(a, b)		((a) < (b) ? (a) : (b))
      8 #define MAX(a, b)		((a) < (b) ? (b) : (a))
      9 #define LEN(a)			(sizeof(a) / sizeof(a)[0])
     10 #define BETWEEN(x, a, b)	((a) <= (x) && (x) <= (b))
     11 #define DIVCEIL(n, d)		(((n) + ((d) - 1)) / (d))
     12 #define DEFAULT(a, b)		(a) = (a) ? (a) : (b)
     13 #define LIMIT(x, a, b)		(x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
     14 #define ATTRCMP(a, b)		((a).mode != (b).mode || (a).fg != (b).fg || \
     15 				(a).bg != (b).bg)
     16 #define TIMEDIFF(t1, t2)	((t1.tv_sec-t2.tv_sec)*1000 + \
     17 				(t1.tv_nsec-t2.tv_nsec)/1E6)
     18 #define MODBIT(x, set, bit)	((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
     19 
     20 #define TRUECOLOR(r,g,b)	(1 << 24 | (r) << 16 | (g) << 8 | (b))
     21 #define IS_TRUECOL(x)		(1 << 24 & (x))
     22 
     23 enum glyph_attribute {
     24 	ATTR_NULL       = 0,
     25 	ATTR_BOLD       = 1 << 0,
     26 	ATTR_FAINT      = 1 << 1,
     27 	ATTR_ITALIC     = 1 << 2,
     28 	ATTR_UNDERLINE  = 1 << 3,
     29 	ATTR_BLINK      = 1 << 4,
     30 	ATTR_REVERSE    = 1 << 5,
     31 	ATTR_INVISIBLE  = 1 << 6,
     32 	ATTR_STRUCK     = 1 << 7,
     33 	ATTR_WRAP       = 1 << 8,
     34 	ATTR_WIDE       = 1 << 9,
     35 	ATTR_WDUMMY     = 1 << 10,
     36 	ATTR_BOXDRAW    = 1 << 11,
     37 	ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
     38 };
     39 
     40 enum drawing_mode {
     41     DRAW_NONE = 0,
     42     DRAW_BG = 1 << 0,
     43     DRAW_FG = 1 << 1,
     44 };
     45 
     46 enum selection_mode {
     47 	SEL_IDLE = 0,
     48 	SEL_EMPTY = 1,
     49 	SEL_READY = 2
     50 };
     51 
     52 enum selection_type {
     53 	SEL_REGULAR = 1,
     54 	SEL_RECTANGULAR = 2
     55 };
     56 
     57 enum selection_snap {
     58 	SNAP_WORD = 1,
     59 	SNAP_LINE = 2
     60 };
     61 
     62 typedef unsigned char uchar;
     63 typedef unsigned int uint;
     64 typedef unsigned long ulong;
     65 typedef unsigned short ushort;
     66 
     67 typedef uint_least32_t Rune;
     68 
     69 #define Glyph Glyph_
     70 typedef struct {
     71 	Rune u;           /* character code */
     72 	ushort mode;      /* attribute flags */
     73 	uint32_t fg;      /* foreground  */
     74 	uint32_t bg;      /* background  */
     75 } Glyph;
     76 
     77 typedef Glyph *Line;
     78 
     79 typedef union {
     80 	int i;
     81 	uint ui;
     82 	float f;
     83 	const void *v;
     84 	const char *s;
     85 } Arg;
     86 
     87 void die(const char *, ...);
     88 void redraw(void);
     89 void draw(void);
     90 
     91 void printscreen(const Arg *);
     92 void printsel(const Arg *);
     93 void sendbreak(const Arg *);
     94 void toggleprinter(const Arg *);
     95 
     96 int tattrset(int);
     97 void tnew(int, int);
     98 void tresize(int, int);
     99 void tsetdirtattr(int);
    100 void ttyhangup(void);
    101 int ttynew(const char *, char *, const char *, char **);
    102 size_t ttyread(void);
    103 void ttyresize(int, int);
    104 void ttywrite(const char *, size_t, int);
    105 
    106 void resettitle(void);
    107 
    108 void selclear(void);
    109 void selinit(void);
    110 void selstart(int, int, int);
    111 void selextend(int, int, int, int);
    112 int selected(int, int);
    113 char *getsel(void);
    114 
    115 size_t utf8encode(Rune, char *);
    116 
    117 void *xmalloc(size_t);
    118 void *xrealloc(void *, size_t);
    119 char *xstrdup(const char *);
    120 
    121 int isboxdraw(Rune);
    122 ushort boxdrawindex(const Glyph *);
    123 #ifdef XFT_VERSION
    124 /* only exposed to x.c, otherwise we'll need Xft.h for the types */
    125 void boxdraw_xinit(Display *, Colormap, XftDraw *, Visual *);
    126 void drawboxes(int, int, int, int, XftColor *, XftColor *, const XftGlyphFontSpec *, int);
    127 #endif
    128 
    129 /* config.h globals */
    130 extern char *utmp;
    131 extern char *scroll;
    132 extern char *stty_args;
    133 extern char *vtiden;
    134 extern wchar_t *worddelimiters;
    135 extern int allowaltscreen;
    136 extern int allowwindowops;
    137 extern char *termname;
    138 extern unsigned int tabspaces;
    139 extern unsigned int defaultfg;
    140 extern unsigned int defaultbg;
    141 extern unsigned int defaultcs;
    142 extern const int boxdraw, boxdraw_bold, boxdraw_braille;