st.h

   1 /* See LICENSE for license details. */
   2
   3 /* macros */
   4 #define MIN(a, b)               ((a) < (b) ? (a) : (b))
   5 #define MAX(a, b)               ((a) < (b) ? (b) : (a))
   6 #define LEN(a)                  (sizeof(a) / sizeof(a)[0])
   7 #define BETWEEN(x, a, b)        ((a) <= (x) && (x) <= (b))
   8 #define DIVCEIL(n, d)           (((n) + ((d) - 1)) / (d))
   9 #define DEFAULT(a, b)           (a) = (a) ? (a) : (b)
  10 #define LIMIT(x, a, b)          (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
  11 #define ATTRCMP(a, b)           ((a).mode != (b).mode || (a).fg != (b).fg || \
  12                                 (a).bg != (b).bg)
  13 #define TIMEDIFF(t1, t2)        ((t1.tv_sec-t2.tv_sec)*1000 + \
  14                                 (t1.tv_nsec-t2.tv_nsec)/1E6)
  15 #define MODBIT(x, set, bit)     ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
  16
  17 #define TRUECOLOR(r,g,b)        (1 << 24 | (r) << 16 | (g) << 8 | (b))
  18 #define IS_TRUECOL(x)           (1 << 24 & (x))
  19
  20 enum glyph_attribute {
  21         ATTR_NULL       = 0,
  22         ATTR_BOLD       = 1 << 0,
  23         ATTR_FAINT      = 1 << 1,
  24         ATTR_ITALIC     = 1 << 2,
  25         ATTR_UNDERLINE  = 1 << 3,
  26         ATTR_BLINK      = 1 << 4,
  27         ATTR_REVERSE    = 1 << 5,
  28         ATTR_INVISIBLE  = 1 << 6,
  29         ATTR_STRUCK     = 1 << 7,
  30         ATTR_WRAP       = 1 << 8,
  31         ATTR_WIDE       = 1 << 9,
  32         ATTR_WDUMMY     = 1 << 10,
  33         ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
  34 };
  35
  36 enum selection_mode {
  37         SEL_IDLE = 0,
  38         SEL_EMPTY = 1,
  39         SEL_READY = 2
  40 };
  41
  42 enum selection_type {
  43         SEL_REGULAR = 1,
  44         SEL_RECTANGULAR = 2
  45 };
  46
  47 enum selection_snap {
  48         SNAP_WORD = 1,
  49         SNAP_LINE = 2
  50 };
  51
  52 typedef unsigned char uchar;
  53 typedef unsigned int uint;
  54 typedef unsigned long ulong;
  55 typedef unsigned short ushort;
  56
  57 typedef uint_least32_t Rune;
  58
  59 #define Glyph Glyph_
  60 typedef struct {
  61         Rune u;           /* character code */
  62         ushort mode;      /* attribute flags */
  63         uint32_t fg;      /* foreground  */
  64         uint32_t bg;      /* background  */
  65 } Glyph;
  66
  67 typedef Glyph *Line;
  68
  69 typedef union {
  70         int i;
  71         uint ui;
  72         float f;
  73         const void *v;
  74 } Arg;
  75
  76 void die(const char *, ...);
  77 void redraw(void);
  78 void draw(void);
  79
  80 void iso14755(const Arg *);
  81 void printscreen(const Arg *);
  82 void printsel(const Arg *);
  83 void sendbreak(const Arg *);
  84 void toggleprinter(const Arg *);
  85
  86 int tattrset(int);
  87 void tnew(int, int);
  88 void tresize(int, int);
  89 void tsetdirtattr(int);
  90 void ttyhangup(void);
  91 int ttynew(char *, char *, char *, char **);
  92 size_t ttyread(void);
  93 void ttyresize(int, int);
  94 void ttywrite(const char *, size_t, int);
  95
  96 void resettitle(void);
  97
  98 void selclear(void);
  99 void selinit(void);
 100 void selstart(int, int, int);
 101 void selextend(int, int, int, int);
 102 int selected(int, int);
 103 char *getsel(void);
 104
 105 size_t utf8encode(Rune, char *);
 106
 107 void *xmalloc(size_t);
 108 void *xrealloc(void *, size_t);
 109 char *xstrdup(char *);
 110
 111 /* config.h globals */
 112 extern char *utmp;
 113 extern char *stty_args;
 114 extern char *vtiden;
 115 extern char *worddelimiters;
 116 extern int allowaltscreen;
 117 extern char *termname;
 118 extern unsigned int tabspaces;
 119 extern unsigned int defaultfg;
 120 extern unsigned int defaultbg;