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1/* See LICENSE for license details. */
2
3/* Arbitrary sizes */
4#define UTF_SIZ 4
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 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 IS_SET(flag) ((term.mode & (flag)) != 0)
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
23enum 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
39enum term_mode {
40 MODE_WRAP = 1 << 0,
41 MODE_INSERT = 1 << 1,
42 MODE_APPKEYPAD = 1 << 2,
43 MODE_ALTSCREEN = 1 << 3,
44 MODE_CRLF = 1 << 4,
45 MODE_MOUSEBTN = 1 << 5,
46 MODE_MOUSEMOTION = 1 << 6,
47 MODE_REVERSE = 1 << 7,
48 MODE_KBDLOCK = 1 << 8,
49 MODE_HIDE = 1 << 9,
50 MODE_ECHO = 1 << 10,
51 MODE_APPCURSOR = 1 << 11,
52 MODE_MOUSESGR = 1 << 12,
53 MODE_8BIT = 1 << 13,
54 MODE_BLINK = 1 << 14,
55 MODE_FBLINK = 1 << 15,
56 MODE_FOCUS = 1 << 16,
57 MODE_MOUSEX10 = 1 << 17,
58 MODE_MOUSEMANY = 1 << 18,
59 MODE_BRCKTPASTE = 1 << 19,
60 MODE_PRINT = 1 << 20,
61 MODE_UTF8 = 1 << 21,
62 MODE_SIXEL = 1 << 22,
63 MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
64 |MODE_MOUSEMANY,
65};
66
67enum selection_mode {
68 SEL_IDLE = 0,
69 SEL_EMPTY = 1,
70 SEL_READY = 2
71};
72
73enum selection_type {
74 SEL_REGULAR = 1,
75 SEL_RECTANGULAR = 2
76};
77
78enum selection_snap {
79 SNAP_WORD = 1,
80 SNAP_LINE = 2
81};
82
83enum window_state {
84 WIN_VISIBLE = 1,
85 WIN_FOCUSED = 2
86};
87
88typedef unsigned char uchar;
89typedef unsigned int uint;
90typedef unsigned long ulong;
91typedef unsigned short ushort;
92
93typedef uint_least32_t Rune;
94
95typedef struct {
96 Rune u; /* character code */
97 ushort mode; /* attribute flags */
98 uint32_t fg; /* foreground */
99 uint32_t bg; /* background */
100} Glyph;
101
102typedef Glyph *Line;
103
104typedef struct {
105 Glyph attr; /* current char attributes */
106 int x;
107 int y;
108 char state;
109} TCursor;
110
111/* Internal representation of the screen */
112typedef struct {
113 int row; /* nb row */
114 int col; /* nb col */
115 Line *line; /* screen */
116 Line *alt; /* alternate screen */
117 int *dirty; /* dirtyness of lines */
118 GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
119 TCursor c; /* cursor */
120 int top; /* top scroll limit */
121 int bot; /* bottom scroll limit */
122 int mode; /* terminal mode flags */
123 int esc; /* escape state flags */
124 char trantbl[4]; /* charset table translation */
125 int charset; /* current charset */
126 int icharset; /* selected charset for sequence */
127 int numlock; /* lock numbers in keyboard */
128 int *tabs;
129} Term;
130
131/* Purely graphic info */
132typedef struct {
133 int tw, th; /* tty width and height */
134 int w, h; /* window width and height */
135 int ch; /* char height */
136 int cw; /* char width */
137 char state; /* focus, redraw, visible */
138 int cursor; /* cursor style */
139} TermWindow;
140
141typedef struct {
142 uint b;
143 uint mask;
144 char *s;
145} MouseShortcut;
146
147typedef struct {
148 int mode;
149 int type;
150 int snap;
151 /*
152 * Selection variables:
153 * nb – normalized coordinates of the beginning of the selection
154 * ne – normalized coordinates of the end of the selection
155 * ob – original coordinates of the beginning of the selection
156 * oe – original coordinates of the end of the selection
157 */
158 struct {
159 int x, y;
160 } nb, ne, ob, oe;
161
162 char *primary, *clipboard;
163 int alt;
164 struct timespec tclick1;
165 struct timespec tclick2;
166
167 //Atom xtarget;
168} Selection;
169
170typedef union {
171 int i;
172 uint ui;
173 float f;
174 const void *v;
175} Arg;
176
177typedef struct {
178 uint mod;
179 KeySym keysym;
180 void (*func)(const Arg *);
181 const Arg arg;
182} Shortcut;
183
184void die(const char *, ...);
185void redraw(void);
186
187int tattrset(int);
188void tnew(int, int);
189void tsetdirt(int, int);
190void tsetdirtattr(int);
191int match(uint, uint);
192void ttynew(void);
193size_t ttyread(void);
194void ttyresize(void);
195void ttysend(char *, size_t);
196void ttywrite(const char *, size_t);
197
198void resettitle(void);
199
200char *kmap(KeySym, uint);
201void cresize(int, int);
202void selclear(void);
203
204void selinit(void);
205void selnormalize(void);
206int selected(int, int);
207char *getsel(void);
208int x2col(int);
209int y2row(int);
210
211size_t utf8decode(char *, Rune *, size_t);
212size_t utf8encode(Rune, char *);
213
214void *xmalloc(size_t);
215char *xstrdup(char *);
216
217void usage(void);
218
219/* Globals */
220extern TermWindow win;
221extern Term term;
222extern Selection sel;
223extern int cmdfd;
224extern pid_t pid;
225extern char **opt_cmd;
226extern char *opt_class;
227extern char *opt_embed;
228extern char *opt_font;
229extern char *opt_io;
230extern char *opt_line;
231extern char *opt_name;
232extern char *opt_title;
233extern int oldbutton;
234
235extern char *usedfont;
236extern double usedfontsize;
237extern double defaultfontsize;
238
239/* config.h globals */
240extern char font[];
241extern int borderpx;
242extern float cwscale;
243extern float chscale;
244extern unsigned int doubleclicktimeout;
245extern unsigned int tripleclicktimeout;
246extern int allowaltscreen;
247extern unsigned int xfps;
248extern unsigned int actionfps;
249extern unsigned int cursorthickness;
250extern unsigned int blinktimeout;
251extern char termname[];
252extern const char *colorname[];
253extern size_t colornamelen;
254extern unsigned int defaultfg;
255extern unsigned int defaultbg;
256extern unsigned int defaultcs;
257extern unsigned int defaultrcs;
258extern unsigned int cursorshape;
259extern unsigned int cols;
260extern unsigned int rows;
261extern unsigned int mouseshape;
262extern unsigned int mousefg;
263extern unsigned int mousebg;
264extern unsigned int defaultattr;
265extern MouseShortcut mshortcuts[];
266extern size_t mshortcutslen;
267extern Shortcut shortcuts[];
268extern size_t shortcutslen;
269extern uint forceselmod;
270extern uint selmasks[];
271extern size_t selmaskslen;
272extern char ascii_printable[];
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