st.h

   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 } Arg;
  78
  79 void die(const char *, ...);
  80 void redraw(void);
  81 void draw(void);
  82
  83 void printscreen(const Arg *);
  84 void printsel(const Arg *);
  85 void sendbreak(const Arg *);
  86 void toggleprinter(const Arg *);
  87
  88 int tattrset(int);
  89 void tnew(int, int);
  90 void tresize(int, int);
  91 void tsetdirtattr(int);
  92 void ttyhangup(void);
  93 int ttynew(char *, char *, char *, char **);
  94 size_t ttyread(void);
  95 void ttyresize(int, int);
  96 void ttywrite(const char *, size_t, int);
  97
  98 void resettitle(void);
  99
 100 void selclear(void);
 101 void selinit(void);
 102 void selstart(int, int, int);
 103 void selextend(int, int, int, int);
 104 int selected(int, int);
 105 char *getsel(void);
 106
 107 size_t utf8encode(Rune, char *);
 108
 109 void *xmalloc(size_t);
 110 void *xrealloc(void *, size_t);
 111 char *xstrdup(char *);
 112
 113 /* config.h globals */
 114 extern char *utmp;
 115 extern char *stty_args;
 116 extern char *vtiden;
 117 extern wchar_t *extrawordchars;
 118 extern int allowaltscreen;
 119 extern char *termname;
 120 extern unsigned int tabspaces;
 121 extern unsigned int defaultfg;
 122 extern unsigned int defaultbg;