st

fork of suckless's simple terminal
Index Commits Files Refs README LICENSE
st.h (3086B)
   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_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
  37 };
  38 
  39 enum selection_mode {
  40     SEL_IDLE = 0,
  41     SEL_EMPTY = 1,
  42     SEL_READY = 2
  43 };
  44 
  45 enum selection_type {
  46     SEL_REGULAR = 1,
  47     SEL_RECTANGULAR = 2
  48 };
  49 
  50 enum selection_snap {
  51     SNAP_WORD = 1,
  52     SNAP_LINE = 2
  53 };
  54 
  55 typedef unsigned char uchar;
  56 typedef unsigned int uint;
  57 typedef unsigned long ulong;
  58 typedef unsigned short ushort;
  59 
  60 typedef uint_least32_t Rune;
  61 
  62 #define Glyph Glyph_
  63 typedef struct {
  64     Rune u;           /* character code */
  65     ushort mode;      /* attribute flags */
  66     uint32_t fg;      /* foreground  */
  67     uint32_t bg;      /* background  */
  68 } Glyph;
  69 
  70 typedef Glyph *Line;
  71 
  72 typedef union {
  73     int i;
  74     uint ui;
  75     float f;
  76     const void *v;
  77     const char *s;
  78 } Arg;
  79 
  80 void die(const char *, ...);
  81 void redraw(void);
  82 void draw(void);
  83 
  84 void kscrolldown(const Arg *);
  85 void kscrollup(const Arg *);
  86 void printscreen(const Arg *);
  87 void printsel(const Arg *);
  88 void sendbreak(const Arg *);
  89 void toggleprinter(const Arg *);
  90 
  91 int tattrset(int);
  92 int tisaltscr(void);
  93 void tnew(int, int);
  94 void tresize(int, int);
  95 void tsetdirtattr(int);
  96 void tupdatebgcolor(int, int);
  97 void tupdatefgcolor(int, int);
  98 void ttyhangup(void);
  99 int ttynew(const char *, char *, const char *, char **);
 100 size_t ttyread(void);
 101 void ttyresize(int, int);
 102 void ttywrite(const char *, size_t, int);
 103 
 104 void resettitle(void);
 105 
 106 void selclear(void);
 107 void selinit(void);
 108 void selstart(int, int, int);
 109 void selextend(int, int, int, int);
 110 int selected(int, int);
 111 char *getsel(void);
 112 
 113 size_t utf8encode(Rune, char *);
 114 
 115 void *xmalloc(size_t);
 116 void *xrealloc(void *, size_t);
 117 char *xstrdup(const char *);
 118 
 119 /* config.h globals */
 120 extern char *utmp;
 121 extern char *scroll;
 122 extern char *stty_args;
 123 extern char *vtiden;
 124 extern wchar_t *worddelimiters;
 125 extern int allowaltscreen;
 126 extern int allowwindowops;
 127 extern char *termname;
 128 extern unsigned int tabspaces;
 129 extern unsigned int defaultfg;
 130 extern unsigned int defaultbg;
 131 extern unsigned int defaultcs;
 132 extern float alpha;