st.h (2956B) download
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#define HISTSIZE 2000
23
24enum glyph_attribute {
25 ATTR_NULL = 0,
26 ATTR_BOLD = 1 << 0,
27 ATTR_FAINT = 1 << 1,
28 ATTR_ITALIC = 1 << 2,
29 ATTR_UNDERLINE = 1 << 3,
30 ATTR_BLINK = 1 << 4,
31 ATTR_REVERSE = 1 << 5,
32 ATTR_INVISIBLE = 1 << 6,
33 ATTR_STRUCK = 1 << 7,
34 ATTR_WRAP = 1 << 8,
35 ATTR_WIDE = 1 << 9,
36 ATTR_WDUMMY = 1 << 10,
37 ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
38};
39
40enum selection_mode {
41 SEL_IDLE = 0,
42 SEL_EMPTY = 1,
43 SEL_READY = 2
44};
45
46enum selection_type {
47 SEL_REGULAR = 1,
48 SEL_RECTANGULAR = 2
49};
50
51enum selection_snap {
52 SNAP_WORD = 1,
53 SNAP_LINE = 2
54};
55
56typedef unsigned char uchar;
57typedef unsigned int uint;
58typedef unsigned long ulong;
59typedef unsigned short ushort;
60
61typedef uint_least32_t Rune;
62
63#define Glyph Glyph_
64typedef struct {
65 Rune u; /* character code */
66 ushort mode; /* attribute flags */
67 uint32_t fg; /* foreground */
68 uint32_t bg; /* background */
69} Glyph;
70
71typedef Glyph *Line;
72
73typedef union {
74 int i;
75 uint ui;
76 float f;
77 const void *v;
78 const char *s;
79} Arg;
80
81void die(const char *, ...);
82void redraw(void);
83void draw(void);
84
85void printscreen(const Arg *);
86void printsel(const Arg *);
87void sendbreak(const Arg *);
88void toggleprinter(const Arg *);
89
90int tattrset(int);
91void tnew(int, int);
92void tresize(int, int);
93void tsetdirtattr(int);
94void ttyhangup(void);
95int ttynew(const char *, char *, const char *, char **);
96size_t ttyread(void);
97void ttyresize(int, int);
98void ttywrite(const char *, size_t, int);
99
100void resettitle(void);
101
102void selclear(void);
103void selinit(void);
104void selstart(int, int, int);
105void selextend(int, int, int, int);
106int selected(int, int);
107char *getsel(void);
108
109size_t utf8encode(Rune, char *);
110
111void *xmalloc(size_t);
112void *xrealloc(void *, size_t);
113char *xstrdup(const char *);
114
115/* config.h globals */
116extern char *utmp;
117extern char *scroll;
118extern char *stty_args;
119extern char *vtiden;
120extern wchar_t *worddelimiters;
121extern int allowaltscreen;
122extern int allowwindowops;
123extern char *termname;
124extern unsigned int tabspaces;
125extern unsigned int defaultfg;
126extern unsigned int defaultbg;
127extern unsigned int defaultcs;