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0 /* See LICENSE for license details. */
1
2 #include <stdint.h>
3 #include <sys/types.h>
4
5 /* macros */
6 #define MIN(a, b) ((a) < (b) ? (a) : (b))
7 #define MAX(a, b) ((a) < (b) ? (b) : (a))
8 #define LEN(a) (sizeof(a) / sizeof(a)[0])
9 #define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
10 #define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d))
11 #define DEFAULT(a, b) (a) = (a) ? (a) : (b)
12 #define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
13 #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \
14 (a).bg != (b).bg)
15 #define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \
16 (t1.tv_nsec-t2.tv_nsec)/1E6)
17 #define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
18
19 #define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
20 #define IS_TRUECOL(x) (1 << 24 & (x))
21
22 enum glyph_attribute {
23 ATTR_NULL = 0,
24 ATTR_BOLD = 1 << 0,
25 ATTR_FAINT = 1 << 1,
26 ATTR_ITALIC = 1 << 2,
27 ATTR_UNDERLINE = 1 << 3,
28 ATTR_BLINK = 1 << 4,
29 ATTR_REVERSE = 1 << 5,
30 ATTR_INVISIBLE = 1 << 6,
31 ATTR_STRUCK = 1 << 7,
32 ATTR_WRAP = 1 << 8,
33 ATTR_WIDE = 1 << 9,
34 ATTR_WDUMMY = 1 << 10,
35 ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
36 };
37
38 enum selection_mode {
39 SEL_IDLE = 0,
40 SEL_EMPTY = 1,
41 SEL_READY = 2
42 };
43
44 enum selection_type {
45 SEL_REGULAR = 1,
46 SEL_RECTANGULAR = 2
47 };
48
49 enum selection_snap {
50 SNAP_WORD = 1,
51 SNAP_LINE = 2
52 };
53
54 typedef unsigned char uchar;
55 typedef unsigned int uint;
56 typedef unsigned long ulong;
57 typedef unsigned short ushort;
58
59 typedef uint_least32_t Rune;
60
61 #define Glyph Glyph_
62 typedef struct {
63 Rune u; /* character code */
64 ushort mode; /* attribute flags */
65 uint32_t fg; /* foreground */
66 uint32_t bg; /* background */
67 } Glyph;
68
69 typedef Glyph *Line;
70
71 typedef union {
72 int i;
73 uint ui;
74 float f;
75 const void *v;
76 const char *s;
77 } Arg;
78
79 void die(const char *, ...);
80 void redraw(void);
81 void draw(void);
82
83 void kscrolldown(const Arg *);
84 void kscrollup(const Arg *);
85 void printscreen(const Arg *);
86 void printsel(const Arg *);
87 void sendbreak(const Arg *);
88 void toggleprinter(const Arg *);
89
90 int tattrset(int);
91 int tisaltscr(void);
92 void tnew(int, int);
93 void tresize(int, int);
94 void tsetdirtattr(int);
95 void ttyhangup(void);
96 int ttynew(const char *, char *, const char *, char **);
97 size_t ttyread(void);
98 void ttyresize(int, int);
99 void ttywrite(const char *, size_t, int);
100
101 void resettitle(void);
102
103 void selclear(void);
104 void selinit(void);
105 void selstart(int, int, int);
106 void selextend(int, int, int, int);
107 int selected(int, int);
108 char *getsel(void);
109
110 size_t utf8encode(Rune, char *);
111
112 void *xmalloc(size_t);
113 void *xrealloc(void *, size_t);
114 char *xstrdup(const char *);
115
116 /* config.h globals */
117 extern char *utmp;
118 extern char *scroll;
119 extern char *stty_args;
120 extern char *vtiden;
121 extern wchar_t *worddelimiters;
122 extern int allowaltscreen;
123 extern int allowwindowops;
124 extern char *termname;
125 extern unsigned int tabspaces;
126 extern unsigned int defaultfg;
127 extern unsigned int defaultbg;
128