st.h - st - personal variant of st
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st.h (3117B)
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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 drawing_mode {
40 DRAW_NONE = 0,
41 DRAW_BG = 1 << 0,
42 DRAW_FG = 1 << 1,
43 };
44
45 enum selection_mode {
46 SEL_IDLE = 0,
47 SEL_EMPTY = 1,
48 SEL_READY = 2
49 };
50
51 enum selection_type {
52 SEL_REGULAR = 1,
53 SEL_RECTANGULAR = 2
54 };
55
56 enum selection_snap {
57 SNAP_WORD = 1,
58 SNAP_LINE = 2
59 };
60
61 typedef unsigned char uchar;
62 typedef unsigned int uint;
63 typedef unsigned long ulong;
64 typedef unsigned short ushort;
65
66 typedef uint_least32_t Rune;
67
68 #define Glyph Glyph_
69 typedef struct {
70 Rune u; /* character code */
71 ushort mode; /* attribute flags */
72 uint32_t fg; /* foreground */
73 uint32_t bg; /* background */
74 } Glyph;
75
76 typedef Glyph *Line;
77
78 typedef union {
79 int i;
80 uint ui;
81 float f;
82 const void *v;
83 const char *s;
84 } Arg;
85
86 void die(const char *, ...);
87 void redraw(void);
88 void draw(void);
89
90 void kscrolldown(const Arg *);
91 void kscrollup(const Arg *);
92 void newterm(const Arg *);
93 void printscreen(const Arg *);
94 void printsel(const Arg *);
95 void sendbreak(const Arg *);
96 void toggleprinter(const Arg *);
97
98 int tattrset(int);
99 void tnew(int, int);
100 void tresize(int, int);
101 void tsetdirtattr(int);
102 void ttyhangup(void);
103 int ttynew(const char *, char *, const char *, char **);
104 size_t ttyread(void);
105 void ttyresize(int, int);
106 void ttywrite(const char *, size_t, int);
107
108 void resettitle(void);
109
110 void selclear(void);
111 void selinit(void);
112 void selstart(int, int, int);
113 void selextend(int, int, int, int);
114 int selected(int, int);
115 char *getsel(void);
116
117 size_t utf8encode(Rune, char *);
118
119 void *xmalloc(size_t);
120 void *xrealloc(void *, size_t);
121 char *xstrdup(const char *);
122
123 /* config.h globals */
124 extern char *utmp;
125 extern char *scroll;
126 extern char *stty_args;
127 extern char *vtiden;
128 extern wchar_t *worddelimiters;
129 extern int allowaltscreen;
130 extern int allowwindowops;
131 extern char *termname;
132 extern unsigned int tabspaces;
133 extern unsigned int defaultfg;
134 extern unsigned int defaultbg;
135 extern unsigned int defaultcs;
136 extern float alpha;