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- Committer: Bazaar Package Importer
- Author(s): Bryce Harrington
- Date: 2011-02-23 18:13:23 UTC
- mfrom: (1.1.1 upstream)
- Revision ID: james.westby@ubuntu.com-20110223181323-xm62w5zi2adkscxq
Tags: 0.1~git20110214.e4762a6a-0ubuntu1
* Update to new git snapshot from 2011-02-14 up to commit e4762a6a. (This
is the most recent upstream commit that doesn't require moving to a
newer version of mesa.)
(LP: #700986)
* copyright: Update to match current codebase, and reformat to follow
dep5 style.
is the most recent upstream commit that doesn't require moving to a
newer version of mesa.)
(LP: #700986)
* copyright: Update to match current codebase, and reformat to follow
dep5 style.
- files added:
- clients/resizor.c
- files modified:
- ChangeLog
added
removed
clients/terminal.c
47
47
#define MOD_ALT 0x02
48
48
#define MOD_CTRL 0x04
49
49
50
#define ATTRMASK_BOLD 0x01
51
#define ATTRMASK_UNDERLINE 0x02
52
#define ATTRMASK_BLINK 0x04
53
#define ATTRMASK_INVERSE 0x08
54
#define ATTRMASK_CONCEALED 0x10
55
56
/* Buffer sizes */
57
#define MAX_RESPONSE 11
58
#define MAX_ESCAPE 64
59
60
/* Terminal modes */
61
#define MODE_SHOW_CURSOR 0x00000001
62
#define MODE_INVERSE 0x00000002
63
#define MODE_AUTOWRAP 0x00000004
64
#define MODE_AUTOREPEAT 0x00000008
65
#define MODE_LF_NEWLINE 0x00000010
66
#define MODE_IRM 0x00000020
67
#define MODE_DELETE_SENDS_DEL 0x00000040
68
#define MODE_ALT_SENDS_ESC 0x00000080
69
70
union utf8_char {
71
unsigned char byte[4];
72
uint32_t ch;
73
};
74
75
enum utf8_state {
76
utf8state_start,
77
utf8state_accept,
78
utf8state_reject,
79
utf8state_expect3,
80
utf8state_expect2,
81
utf8state_expect1
82
};
83
84
struct utf8_state_machine {
85
enum utf8_state state;
86
int len;
87
union utf8_char s;
88
};
89
90
static void
91
init_state_machine(struct utf8_state_machine *machine)
92
{
93
machine->state = utf8state_start;
94
machine->len = 0;
95
machine->s.ch = 0;
96
}
97
98
static enum utf8_state
99
utf8_next_char(struct utf8_state_machine *machine, char c)
100
{
101
switch(machine->state) {
102
case utf8state_start:
103
case utf8state_accept:
104
case utf8state_reject:
105
machine->s.ch = 0;
106
machine->len = 0;
107
if(c == 0xC0 || c == 0xC1) {
108
/* overlong encoding, reject */
109
machine->state = utf8state_reject;
110
} else if((c & 0x80) == 0) {
111
/* single byte, accept */
112
machine->s.byte[machine->len++] = c;
113
machine->state = utf8state_accept;
114
} else if((c & 0xC0) == 0x80) {
115
/* parser out of sync, ignore byte */
116
machine->state = utf8state_start;
117
} else if((c & 0xE0) == 0xC0) {
118
/* start of two byte sequence */
119
machine->s.byte[machine->len++] = c;
120
machine->state = utf8state_expect1;
121
} else if((c & 0xF0) == 0xE0) {
122
/* start of three byte sequence */
123
machine->s.byte[machine->len++] = c;
124
machine->state = utf8state_expect2;
125
} else if((c & 0xF8) == 0xF0) {
126
/* start of four byte sequence */
127
machine->s.byte[machine->len++] = c;
128
machine->state = utf8state_expect3;
129
} else {
130
/* overlong encoding, reject */
131
machine->state = utf8state_reject;
132
}
133
break;
134
case utf8state_expect3:
135
machine->s.byte[machine->len++] = c;
136
if((c & 0xC0) == 0x80) {
137
/* all good, continue */
138
machine->state = utf8state_expect2;
139
} else {
140
/* missing extra byte, reject */
141
machine->state = utf8state_reject;
142
}
143
break;
144
case utf8state_expect2:
145
machine->s.byte[machine->len++] = c;
146
if((c & 0xC0) == 0x80) {
147
/* all good, continue */
148
machine->state = utf8state_expect1;
149
} else {
150
/* missing extra byte, reject */
151
machine->state = utf8state_reject;
152
}
153
break;
154
case utf8state_expect1:
155
machine->s.byte[machine->len++] = c;
156
if((c & 0xC0) == 0x80) {
157
/* all good, accept */
158
machine->state = utf8state_accept;
159
} else {
160
/* missing extra byte, reject */
161
machine->state = utf8state_reject;
162
}
163
break;
164
default:
165
machine->state = utf8state_reject;
166
break;
167
}
168
169
return machine->state;
170
}
171
172
struct char_sub {
173
union utf8_char match;
174
union utf8_char replace;
175
};
176
/* Set last char_sub match to NULL char */
177
typedef struct char_sub *character_set;
178
179
struct char_sub CS_US[] = {
180
{{{0, }}, {{0, }}}
181
};
182
static struct char_sub CS_UK[] = {
183
{{{'#', 0, }}, {{0xC2, 0xA3, 0, }}},
184
{{{0, }}, {{0, }}}
185
};
186
static struct char_sub CS_SPECIAL[] = {
187
{{{'`', 0, }}, {{0xE2, 0x99, 0xA6, 0}}}, /* diamond */
188
{{{'a', 0, }}, {{0xE2, 0x96, 0x92, 0}}}, /* 50% cell */
189
{{{'b', 0, }}, {{0xE2, 0x90, 0x89, 0}}}, /* HT */
190
{{{'c', 0, }}, {{0xE2, 0x90, 0x8C, 0}}}, /* FF */
191
{{{'d', 0, }}, {{0xE2, 0x90, 0x8D, 0}}}, /* CR */
192
{{{'e', 0, }}, {{0xE2, 0x90, 0x8A, 0}}}, /* LF */
193
{{{'f', 0, }}, {{0xC2, 0xB0, 0, }}}, /* Degree */
194
{{{'g', 0, }}, {{0xC2, 0xB1, 0, }}}, /* Plus/Minus */
195
{{{'h', 0, }}, {{0xE2, 0x90, 0xA4, 0}}}, /* NL */
196
{{{'i', 0, }}, {{0xE2, 0x90, 0x8B, 0}}}, /* VT */
197
{{{'j', 0, }}, {{0xE2, 0x94, 0x98, 0}}}, /* CN_RB */
198
{{{'k', 0, }}, {{0xE2, 0x94, 0x90, 0}}}, /* CN_RT */
199
{{{'l', 0, }}, {{0xE2, 0x94, 0x8C, 0}}}, /* CN_LT */
200
{{{'m', 0, }}, {{0xE2, 0x94, 0x94, 0}}}, /* CN_RB */
201
{{{'n', 0, }}, {{0xE2, 0x94, 0xBC, 0}}}, /* CROSS */
202
{{{'o', 0, }}, {{0xE2, 0x94, 0x80, 0}}}, /* H */
203
{{{'p', 0, }}, {{0xE2, 0x94, 0x80, 0}}}, /* H */
204
{{{'q', 0, }}, {{0xE2, 0x94, 0x80, 0}}}, /* H */
205
{{{'r', 0, }}, {{0xE2, 0x94, 0x80, 0}}}, /* H */
206
{{{'s', 0, }}, {{0xE2, 0x94, 0x80, 0}}}, /* H */
207
{{{'t', 0, }}, {{0xE2, 0x94, 0x9C, 0}}}, /* TR */
208
{{{'u', 0, }}, {{0xE2, 0x94, 0xA4, 0}}}, /* TL */
209
{{{'v', 0, }}, {{0xE2, 0x94, 0xB4, 0}}}, /* TU */
210
{{{'w', 0, }}, {{0xE2, 0x94, 0xAC, 0}}}, /* TD */
211
{{{'x', 0, }}, {{0xE2, 0x94, 0x82, 0}}}, /* V */
212
{{{'y', 0, }}, {{0xE2, 0x89, 0xA4, 0}}}, /* LE */
213
{{{'z', 0, }}, {{0xE2, 0x89, 0xA5, 0}}}, /* GE */
214
{{{'{', 0, }}, {{0xCF, 0x80, 0, }}}, /* PI */
215
{{{'|', 0, }}, {{0xE2, 0x89, 0xA0, 0}}}, /* NEQ */
216
{{{'}', 0, }}, {{0xC2, 0xA3, 0, }}}, /* POUND */
217
{{{'~', 0, }}, {{0xE2, 0x8B, 0x85, 0}}}, /* DOT */
218
{{{0, }}, {{0, }}}
219
};
220
221
static void
222
apply_char_set(character_set cs, union utf8_char *utf8)
223
{
224
int i = 0;
225
226
while (cs[i].match.byte[0]) {
227
if ((*utf8).ch == cs[i].match.ch) {
228
*utf8 = cs[i].replace;
229
break;
230
}
231
i++;
232
}
233
}
234
235
struct key_map {
236
int sym;
237
int num;
238
char escape;
239
char code;
240
};
241
/* Set last key_sub sym to NULL */
242
typedef struct key_map *keyboard_mode;
243
244
static struct key_map KM_NORMAL[] = {
245
{XK_Left, 1, '[', 'D'},
246
{XK_Right, 1, '[', 'C'},
247
{XK_Up, 1, '[', 'A'},
248
{XK_Down, 1, '[', 'B'},
249
{XK_Home, 1, '[', 'H'},
250
{XK_End, 1, '[', 'F'},
251
{0, 0, 0, 0}
252
};
253
static struct key_map KM_APPLICATION[] = {
254
{XK_Left, 1, 'O', 'D'},
255
{XK_Right, 1, 'O', 'C'},
256
{XK_Up, 1, 'O', 'A'},
257
{XK_Down, 1, 'O', 'B'},
258
{XK_Home, 1, 'O', 'H'},
259
{XK_End, 1, 'O', 'F'},
260
{XK_KP_Enter, 1, 'O', 'M'},
261
{XK_KP_Multiply, 1, 'O', 'j'},
262
{XK_KP_Add, 1, 'O', 'k'},
263
{XK_KP_Separator, 1, 'O', 'l'},
264
{XK_KP_Subtract, 1, 'O', 'm'},
265
{XK_KP_Divide, 1, 'O', 'o'},
266
{0, 0, 0, 0}
267
};
268
269
static int
270
function_key_response(char escape, int num, uint32_t modifiers,
271
char code, char *response)
272
{
273
int mod_num = 0;
274
int len;
275
276
if (modifiers & WINDOW_MODIFIER_SHIFT) mod_num |= 1;
277
if (modifiers & WINDOW_MODIFIER_ALT) mod_num |= 2;
278
if (modifiers & WINDOW_MODIFIER_CONTROL) mod_num |= 4;
279
280
if (mod_num != 0)
281
len = snprintf(response, MAX_RESPONSE, "\e[%d;%d%c",
282
num, mod_num + 1, code);
283
else if (code != '~')
284
len = snprintf(response, MAX_RESPONSE, "\e%c%c",
285
escape, code);
286
else
287
len = snprintf(response, MAX_RESPONSE, "\e%c%d%c",
288
escape, num, code);
289
290
if (len >= MAX_RESPONSE) return MAX_RESPONSE - 1;
291
else return len;
292
}
293
294
/* returns the number of bytes written into response,
295
* which must have room for MAX_RESPONSE bytes */
296
static int
297
apply_key_map(keyboard_mode mode, int sym, uint32_t modifiers, char *response)
298
{
299
struct key_map map;
300
int len = 0;
301
int i = 0;
302
303
while (mode[i].sym) {
304
map = mode[i++];
305
if (sym == map.sym) {
306
len = function_key_response(map.escape, map.num,
307
modifiers, map.code,
308
response);
309
break;
310
}
311
}
312
313
return len;
314
}
315
316
struct terminal_color { double r, g, b, a; };
317
struct attr {
318
unsigned char fg, bg;
319
char a; /* attributes format:
320
* 76543210
321
* cilub */
322
char r; /* reserved */
323
};
324
struct color_scheme {
325
struct terminal_color palette[16];
326
char border;
327
struct attr default_attr;
328
};
329
330
static void
331
attr_init(struct attr *data_attr, struct attr attr, int n)
332
{
333
int i;
334
for (i = 0; i < n; i++) {
335
data_attr[i] = attr;
336
}
337
}
338
339
enum escape_state {
340
escape_state_normal = 0,
341
escape_state_escape,
342
escape_state_dcs,
343
escape_state_csi,
344
escape_state_osc,
345
escape_state_inner_escape,
346
escape_state_ignore,
347
escape_state_special
348
};
349
350
#define ESC_FLAG_WHAT 0x01
351
#define ESC_FLAG_GT 0x02
352
#define ESC_FLAG_BANG 0x04
353
#define ESC_FLAG_CASH 0x08
354
#define ESC_FLAG_SQUOTE 0x10
355
#define ESC_FLAG_DQUOTE 0x20
356
#define ESC_FLAG_SPACE 0x40
357
50
358
struct terminal {
51
359
struct window *window;
52
360
struct display *display;
53
char *data;
361
union utf8_char *data;
362
char *tab_ruler;
363
struct attr *data_attr;
364
struct attr curr_attr;
365
uint32_t mode;
366
char origin_mode;
367
char saved_origin_mode;
368
struct attr saved_attr;
369
union utf8_char last_char;
370
int margin_top, margin_bottom;
371
character_set cs, g0, g1;
372
character_set saved_cs, saved_g0, saved_g1;
373
keyboard_mode key_mode;
374
int data_pitch, attr_pitch; /* The width in bytes of a line */
54
375
int width, height, start, row, column;
376
int saved_row, saved_column;
55
377
int fd, master;
56
378
GIOChannel *channel;
57
379
uint32_t modifiers;
58
char escape[64];
380
char escape[MAX_ESCAPE];
59
381
int escape_length;
60
int state;
382
enum escape_state state;
383
enum escape_state outer_state;
384
int escape_flags;
385
struct utf8_state_machine state_machine;
61
386
int margin;
62
387
int fullscreen;
63
388
int focused;
64
389
struct color_scheme *color_scheme;
390
struct terminal_color color_table[256];
65
391
cairo_font_extents_t extents;
392
cairo_scaled_font_t *font_normal, *font_bold;
66
393
};
67
394
68
static char *
395
/* Create default tab stops, every 8 characters */
396
static void
397
terminal_init_tabs(struct terminal *terminal)
398
{
399
int i = 0;
400
401
while (i < terminal->width) {
402
if (i % 8 == 0)
403
terminal->tab_ruler[i] = 1;
404
else
405
terminal->tab_ruler[i] = 0;
406
i++;
407
}
408
}
409
410
static void
411
terminal_init(struct terminal *terminal)
412
{
413
terminal->curr_attr = terminal->color_scheme->default_attr;
414
terminal->origin_mode = 0;
415
terminal->mode = MODE_SHOW_CURSOR |
416
MODE_AUTOREPEAT |
417
MODE_ALT_SENDS_ESC |
418
MODE_AUTOWRAP;
419
420
terminal->row = 0;
421
terminal->column = 0;
422
423
terminal->g0 = CS_US;
424
terminal->g1 = CS_US;
425
terminal->cs = terminal->g0;
426
terminal->key_mode = KM_NORMAL;
427
428
terminal->saved_g0 = terminal->g0;
429
terminal->saved_g1 = terminal->g1;
430
terminal->saved_cs = terminal->cs;
431
432
terminal->saved_attr = terminal->curr_attr;
433
terminal->saved_origin_mode = terminal->origin_mode;
434
terminal->saved_row = terminal->row;
435
terminal->saved_column = terminal->column;
436
437
if (terminal->tab_ruler != NULL) terminal_init_tabs(terminal);
438
}
439
440
static void
441
init_color_table(struct terminal *terminal)
442
{
443
int c, r;
444
struct terminal_color *color_table = terminal->color_table;
445
446
for (c = 0; c < 256; c ++) {
447
if (c < 16) {
448
color_table[c] = terminal->color_scheme->palette[c];
449
} else if (c < 232) {
450
r = c - 16;
451
color_table[c].b = ((double)(r % 6) / 6.0); r /= 6;
452
color_table[c].g = ((double)(r % 6) / 6.0); r /= 6;
453
color_table[c].r = ((double)(r % 6) / 6.0);
454
color_table[c].a = 1.0;
455
} else {
456
r = (c - 232) * 10 + 8;
457
color_table[c].r = ((double) r) / 256.0;
458
color_table[c].g = color_table[c].r;
459
color_table[c].b = color_table[c].r;
460
color_table[c].a = 1.0;
461
}
462
}
463
}
464
465
static union utf8_char *
69
466
terminal_get_row(struct terminal *terminal, int row)
70
467
{
71
468
int index;
72
469
73
470
index = (row + terminal->start) % terminal->height;
74
471
75
return &terminal->data[index * (terminal->width + 1)];
472
return &terminal->data[index * terminal->width];
473
}
474
475
static struct attr*
476
terminal_get_attr_row(struct terminal *terminal, int row)
477
{
478
int index;
479
480
index = (row + terminal->start) % terminal->height;
481
482
return &terminal->data_attr[index * terminal->width];
483
}
484
485
union decoded_attr {
486
struct attr attr;
487
uint32_t key;
488
};
489
490
static void
491
terminal_decode_attr(struct terminal *terminal, int row, int col,
492
union decoded_attr *decoded)
493
{
494
struct attr attr;
495
int foreground, background, tmp;
496
497
/* get the attributes for this character cell */
498
attr = terminal_get_attr_row(terminal, row)[col];
499
if ((attr.a & ATTRMASK_INVERSE) ||
500
((terminal->mode & MODE_SHOW_CURSOR) &&
501
terminal->focused && terminal->row == row &&
502
terminal->column == col)) {
503
foreground = attr.bg;
504
background = attr.fg;
505
if (attr.a & ATTRMASK_BOLD) {
506
if (foreground <= 16) foreground |= 0x08;
507
if (background <= 16) background &= 0x07;
508
}
509
} else {
510
foreground = attr.fg;
511
background = attr.bg;
512
}
513
514
if (terminal->mode & MODE_INVERSE) {
515
tmp = foreground;
516
foreground = background;
517
background = tmp;
518
if (attr.a & ATTRMASK_BOLD) {
519
if (foreground <= 16) foreground |= 0x08;
520
if (background <= 16) background &= 0x07;
521
}
522
}
523
524
decoded->attr.fg = foreground;
525
decoded->attr.bg = background;
526
decoded->attr.a = attr.a;
527
}
528
529
static void
530
terminal_scroll_buffer(struct terminal *terminal, int d)
531
{
532
int i;
533
534
d = d % (terminal->height + 1);
535
terminal->start = (terminal->start + d) % terminal->height;
536
if (terminal->start < 0) terminal->start = terminal->height + terminal->start;
537
if(d < 0) {
538
d = 0 - d;
539
for(i = 0; i < d; i++) {
540
memset(terminal_get_row(terminal, i), 0, terminal->data_pitch);
541
attr_init(terminal_get_attr_row(terminal, i),
542
terminal->curr_attr, terminal->width);
543
}
544
} else {
545
for(i = terminal->height - d; i < terminal->height; i++) {
546
memset(terminal_get_row(terminal, i), 0, terminal->data_pitch);
547
attr_init(terminal_get_attr_row(terminal, i),
548
terminal->curr_attr, terminal->width);
549
}
550
}
551
}
552
553
static void
554
terminal_scroll_window(struct terminal *terminal, int d)
555
{
556
int i;
557
int window_height;
558
int from_row, to_row;
559
560
// scrolling range is inclusive
561
window_height = terminal->margin_bottom - terminal->margin_top + 1;
562
d = d % (window_height + 1);
563
if(d < 0) {
564
d = 0 - d;
565
to_row = terminal->margin_bottom;
566
from_row = terminal->margin_bottom - d;
567
568
for (i = 0; i < (window_height - d); i++) {
569
memcpy(terminal_get_row(terminal, to_row - i),
570
terminal_get_row(terminal, from_row - i),
571
terminal->data_pitch);
572
memcpy(terminal_get_attr_row(terminal, to_row - i),
573
terminal_get_attr_row(terminal, from_row - i),
574
terminal->attr_pitch);
575
}
576
for (i = terminal->margin_top; i < (terminal->margin_top + d); i++) {
577
memset(terminal_get_row(terminal, i), 0, terminal->data_pitch);
578
attr_init(terminal_get_attr_row(terminal, i),
579
terminal->curr_attr, terminal->width);
580
}
581
} else {
582
to_row = terminal->margin_top;
583
from_row = terminal->margin_top + d;
584
585
for (i = 0; i < (window_height - d); i++) {
586
memcpy(terminal_get_row(terminal, to_row + i),
587
terminal_get_row(terminal, from_row + i),
588
terminal->data_pitch);
589
memcpy(terminal_get_attr_row(terminal, to_row + i),
590
terminal_get_attr_row(terminal, from_row + i),
591
terminal->attr_pitch);
592
}
593
for (i = terminal->margin_bottom - d + 1; i <= terminal->margin_bottom; i++) {
594
memset(terminal_get_row(terminal, i), 0, terminal->data_pitch);
595
attr_init(terminal_get_attr_row(terminal, i),
596
terminal->curr_attr, terminal->width);
597
}
598
}
599
}
600
601
static void
602
terminal_scroll(struct terminal *terminal, int d)
603
{
604
if(terminal->margin_top == 0 && terminal->margin_bottom == terminal->height - 1)
605
terminal_scroll_buffer(terminal, d);
606
else
607
terminal_scroll_window(terminal, d);
608
}
609
610
static void
611
terminal_shift_line(struct terminal *terminal, int d)
612
{
613
union utf8_char *row;
614
struct attr *attr_row, attr;
615
616
row = terminal_get_row(terminal, terminal->row);
617
attr_row = terminal_get_attr_row(terminal, terminal->row);
618
619
if ((terminal->width + d) <= terminal->column)
620
d = terminal->column + 1 - terminal->width;
621
if ((terminal->column + d) >= terminal->width)
622
d = terminal->width - terminal->column - 1;
623
624
if (d < 0) {
625
d = 0 - d;
626
memmove(&row[terminal->column],
627
&row[terminal->column + d],
628
(terminal->width - terminal->column - d) * sizeof(union utf8_char));
629
attr = attr_row[terminal->width - 1];
630
memmove(&attr_row[terminal->column], &attr_row[terminal->column + d],
631
(terminal->width - terminal->column - d) * sizeof(struct attr));
632
memset(&row[terminal->width - d], 0, d * sizeof(union utf8_char));
633
attr_init(&attr_row[terminal->width - d], terminal->curr_attr, d);
634
} else {
635
memmove(&row[terminal->column + d], &row[terminal->column],
636
(terminal->width - terminal->column - d) * sizeof(union utf8_char));
637
memmove(&attr_row[terminal->column + d], &attr_row[terminal->column],
638
(terminal->width - terminal->column - d) * sizeof(struct attr));
639
memset(&row[terminal->column], 0, d * sizeof(union utf8_char));
640
attr_init(&attr_row[terminal->column], terminal->curr_attr, d);
641
}
76
642
}
77
643
78
644
static void
79
645
terminal_resize(struct terminal *terminal, int width, int height)
80
646
{
81
647
size_t size;
82
char *data;
648
union utf8_char *data;
649
struct attr *data_attr;
650
char *tab_ruler;
651
int data_pitch, attr_pitch;
83
652
int i, l, total_rows, start;
653
struct rectangle allocation;
654
struct winsize ws;
655
int32_t pixel_width, pixel_height;
84
656
657
if (width < 1)
658
width = 1;
659
if (height < 1)
660
height = 1;
85
661
if (terminal->width == width && terminal->height == height)
86
662
return;
87
663
88
size = (width + 1) * height;
664
if (!terminal->fullscreen) {
665
pixel_width = width *
666
terminal->extents.max_x_advance + 2 * terminal->margin;
667
pixel_height = height *
668
terminal->extents.height + 2 * terminal->margin;
669
window_set_child_size(terminal->window,
670
pixel_width, pixel_height);
671
}
672
673
window_schedule_redraw (terminal->window);
674
675
data_pitch = width * sizeof(union utf8_char);
676
size = data_pitch * height;
89
677
data = malloc(size);
678
attr_pitch = width * sizeof(struct attr);
679
data_attr = malloc(attr_pitch * height);
680
tab_ruler = malloc(width);
90
681
memset(data, 0, size);
91
if (terminal->data) {
682
memset(tab_ruler, 0, width);
683
attr_init(data_attr, terminal->curr_attr, width * height);
684
if (terminal->data && terminal->data_attr) {
92
685
if (width > terminal->width)
93
686
l = terminal->width;
94
687
else
102
695
start = 0;
103
696
}
104
697
105
for (i = 0; i < total_rows; i++)
106
memcpy(data + (width + 1) * i,
107
terminal_get_row(terminal, i), l);
698
for (i = 0; i < total_rows; i++) {
699
memcpy(&data[width * i],
700
terminal_get_row(terminal, i),
701
l * sizeof(union utf8_char));
702
memcpy(&data_attr[width * i],
703
terminal_get_attr_row(terminal, i),
704
l * sizeof(struct attr));
705
}
108
706
109
707
free(terminal->data);
708
free(terminal->data_attr);
709
free(terminal->tab_ruler);
110
710
}
111
711
712
terminal->data_pitch = data_pitch;
713
terminal->attr_pitch = attr_pitch;
714
terminal->margin_bottom =
715
height - (terminal->height - terminal->margin_bottom);
112
716
terminal->width = width;
113
717
terminal->height = height;
114
718
terminal->data = data;
115
116
if (terminal->row >= terminal->height)
117
terminal->row = terminal->height - 1;
118
if (terminal->column >= terminal->width)
119
terminal->column = terminal->width - 1;
120
terminal->start = 0;
121
}
122
123
struct color_scheme { struct { double r, g, b, a; } fg, bg; }
124
matrix_colors = { { 0, 0.7, 0, 1 }, { 0, 0, 0, 0.9 } },
125
jbarnes_colors = { { 1, 1, 1, 1 }, { 0, 0, 0, 1 } };
719
terminal->data_attr = data_attr;
720
terminal->tab_ruler = tab_ruler;
721
terminal_init_tabs(terminal);
722
723
/* Update the window size */
724
ws.ws_row = terminal->height;
725
ws.ws_col = terminal->width;
726
window_get_child_allocation(terminal->window, &allocation);
727
ws.ws_xpixel = allocation.width;
728
ws.ws_ypixel = allocation.height;
729
ioctl(terminal->master, TIOCSWINSZ, &ws);
730
}
731
732
struct color_scheme DEFAULT_COLORS = {
733
{
734
{0, 0, 0, 1}, /* black */
735
{0.66, 0, 0, 1}, /* red */
736
{0 , 0.66, 0, 1}, /* green */
737
{0.66, 0.33, 0, 1}, /* orange (nicer than muddy yellow) */
738
{0 , 0 , 0.66, 1}, /* blue */
739
{0.66, 0 , 0.66, 1}, /* magenta */
740
{0, 0.66, 0.66, 1}, /* cyan */
741
{0.66, 0.66, 0.66, 1}, /* light grey */
742
{0.22, 0.33, 0.33, 1}, /* dark grey */
743
{1, 0.33, 0.33, 1}, /* high red */
744
{0.33, 1, 0.33, 1}, /* high green */
745
{1, 1, 0.33, 1}, /* high yellow */
746
{0.33, 0.33, 1, 1}, /* high blue */
747
{1, 0.33, 1, 1}, /* high magenta */
748
{0.33, 1, 1, 1}, /* high cyan */
749
{1, 1, 1, 1} /* white */
750
},
751
0, /* black border */
752
{7, 0, 0, } /* bg:black (0), fg:light gray (7) */
753
};
754
755
static void
756
terminal_set_color(struct terminal *terminal, cairo_t *cr, int index)
757
{
758
cairo_set_source_rgba(cr,
759
terminal->color_table[index].r,
760
terminal->color_table[index].g,
761
terminal->color_table[index].b,
762
terminal->color_table[index].a);
763
}
764
765
struct glyph_run {
766
struct terminal *terminal;
767
cairo_t *cr;
768
int count;
769
union decoded_attr attr;
770
cairo_glyph_t glyphs[256], *g;
771
};
772
773
static void
774
glyph_run_init(struct glyph_run *run, struct terminal *terminal, cairo_t *cr)
775
{
776
run->terminal = terminal;
777
run->cr = cr;
778
run->g = run->glyphs;
779
run->count = 0;
780
run->attr.key = 0;
781
}
782
783
static void
784
glyph_run_flush(struct glyph_run *run, union decoded_attr attr)
785
{
786
cairo_scaled_font_t *font;
787
788
if (run->count > ARRAY_LENGTH(run->glyphs) - 10 ||
789
(attr.key != run->attr.key)) {
790
if (run->attr.attr.a & (ATTRMASK_BOLD | ATTRMASK_BLINK))
791
font = run->terminal->font_bold;
792
else
793
font = run->terminal->font_normal;
794
cairo_set_scaled_font(run->cr, font);
795
terminal_set_color(run->terminal, run->cr,
796
run->attr.attr.fg);
797
798
if (!(run->attr.attr.a & ATTRMASK_CONCEALED))
799
cairo_show_glyphs (run->cr, run->glyphs, run->count);
800
run->g = run->glyphs;
801
run->count = 0;
802
}
803
run->attr = attr;
804
}
805
806
static void
807
glyph_run_add(struct glyph_run *run, int x, int y, union utf8_char *c)
808
{
809
int num_glyphs;
810
cairo_scaled_font_t *font;
811
812
num_glyphs = ARRAY_LENGTH(run->glyphs) - run->count;
813
814
if (run->attr.attr.a & (ATTRMASK_BOLD | ATTRMASK_BLINK))
815
font = run->terminal->font_bold;
816
else
817
font = run->terminal->font_normal;
818
819
cairo_move_to(run->cr, x, y);
820
cairo_scaled_font_text_to_glyphs (font, x, y,
821
(char *) c->byte, 4,
822
&run->g, &num_glyphs,
823
NULL, NULL, NULL);
824
run->g += num_glyphs;
825
run->count += num_glyphs;
826
}
126
827
127
828
static void
128
829
terminal_draw_contents(struct terminal *terminal)
129
830
{
130
struct rectangle rectangle;
831
struct rectangle allocation;
131
832
cairo_t *cr;
132
833
cairo_font_extents_t extents;
133
int i, top_margin, side_margin;
834
int top_margin, side_margin;
835
int row, col;
836
union utf8_char *p_row;
837
union decoded_attr attr;
838
int text_x, text_y;
134
839
cairo_surface_t *surface;
135
840
double d;
136
137
window_get_child_rectangle(terminal->window, &rectangle);
138
139
surface = display_create_surface(terminal->display, &rectangle);
841
struct glyph_run run;
842
843
window_get_child_allocation(terminal->window, &allocation);
844
845
surface = display_create_surface(terminal->display, &allocation);
140
846
cr = cairo_create(surface);
141
847
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
142
cairo_set_source_rgba(cr,
143
terminal->color_scheme->bg.r,
144
terminal->color_scheme->bg.g,
145
terminal->color_scheme->bg.b,
146
terminal->color_scheme->bg.a);
848
terminal_set_color(terminal, cr, terminal->color_scheme->border);
147
849
cairo_paint(cr);
850
851
cairo_set_scaled_font(cr, terminal->font_normal);
852
853
cairo_font_extents(cr, &extents);
854
side_margin = (allocation.width - terminal->width * extents.max_x_advance) / 2;
855
top_margin = (allocation.height - terminal->height * extents.height) / 2;
856
857
cairo_set_line_width(cr, 1.0);
858
859
/* paint the background */
860
for (row = 0; row < terminal->height; row++) {
861
for (col = 0; col < terminal->width; col++) {
862
/* get the attributes for this character cell */
863
terminal_decode_attr(terminal, row, col, &attr);
864
865
if (attr.attr.bg == terminal->color_scheme->border)
866
continue;
867
868
terminal_set_color(terminal, cr, attr.attr.bg);
869
cairo_move_to(cr, side_margin + (col * extents.max_x_advance),
870
top_margin + (row * extents.height));
871
cairo_rel_line_to(cr, extents.max_x_advance, 0);
872
cairo_rel_line_to(cr, 0, extents.height);
873
cairo_rel_line_to(cr, -extents.max_x_advance, 0);
874
cairo_close_path(cr);
875
cairo_fill(cr);
876
}
877
}
878
148
879
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
149
cairo_set_source_rgba(cr,
150
terminal->color_scheme->fg.r,
151
terminal->color_scheme->fg.g,
152
terminal->color_scheme->fg.b,
153
terminal->color_scheme->fg.a);
154
155
cairo_select_font_face (cr, "mono",
156
CAIRO_FONT_SLANT_NORMAL,
157
CAIRO_FONT_WEIGHT_NORMAL);
158
cairo_set_font_size(cr, 14);
159
160
cairo_font_extents(cr, &extents);
161
side_margin = (rectangle.width - terminal->width * extents.max_x_advance) / 2;
162
top_margin = (rectangle.height - terminal->height * extents.height) / 2;
163
164
for (i = 0; i < terminal->height; i++) {
165
cairo_move_to(cr, side_margin,
166
top_margin + extents.ascent + extents.height * i);
167
cairo_show_text(cr, terminal_get_row(terminal, i));
880
881
/* paint the foreground */
882
glyph_run_init(&run, terminal, cr);
883
for (row = 0; row < terminal->height; row++) {
884
p_row = terminal_get_row(terminal, row);
885
for (col = 0; col < terminal->width; col++) {
886
/* get the attributes for this character cell */
887
terminal_decode_attr(terminal, row, col, &attr);
888
889
glyph_run_flush(&run, attr);
890
891
text_x = side_margin + col * extents.max_x_advance;
892
text_y = top_margin + extents.ascent + row * extents.height;
893
if (attr.attr.a & ATTRMASK_UNDERLINE) {
894
terminal_set_color(terminal, cr, attr.attr.fg);
895
cairo_move_to(cr, text_x, (double)text_y + 1.5);
896
cairo_line_to(cr, text_x + extents.max_x_advance, (double) text_y + 1.5);
897
cairo_stroke(cr);
898
}
899
900
glyph_run_add(&run, text_x, text_y, &p_row[col]);
901
}
168
902
}
169
903
170
d = terminal->focused ? 0 : 0.5;
171
172
cairo_set_line_width(cr, 1);
173
cairo_move_to(cr, side_margin + terminal->column * extents.max_x_advance + d,
174
top_margin + terminal->row * extents.height + d);
175
cairo_rel_line_to(cr, extents.max_x_advance - 2 * d, 0);
176
cairo_rel_line_to(cr, 0, extents.height - 2 * d);
177
cairo_rel_line_to(cr, -extents.max_x_advance + 2 * d, 0);
178
cairo_close_path(cr);
179
180
if (terminal->focused)
181
cairo_fill(cr);
182
else
904
attr.key = ~0;
905
glyph_run_flush(&run, attr);
906
907
if ((terminal->mode & MODE_SHOW_CURSOR) && !terminal->focused) {
908
d = 0.5;
909
910
cairo_set_line_width(cr, 1);
911
cairo_move_to(cr, side_margin + terminal->column * extents.max_x_advance + d,
912
top_margin + terminal->row * extents.height + d);
913
cairo_rel_line_to(cr, extents.max_x_advance - 2 * d, 0);
914
cairo_rel_line_to(cr, 0, extents.height - 2 * d);
915
cairo_rel_line_to(cr, -extents.max_x_advance + 2 * d, 0);
916
cairo_close_path(cr);
917
183
918
cairo_stroke(cr);
919
}
184
920
185
921
cairo_destroy(cr);
186
922
187
window_copy_surface(terminal->window,
188
&rectangle,
189
surface);
923
window_copy_surface(terminal->window, &allocation, surface);
190
924
191
925
cairo_surface_destroy(surface);
192
926
}
193
927
194
928
static void
195
terminal_draw(struct terminal *terminal)
929
resize_handler(struct window *window,
930
int32_t pixel_width, int32_t pixel_height, void *data)
196
931
{
197
struct rectangle rectangle;
932
struct terminal *terminal = data;
198
933
int32_t width, height;
199
934
200
window_get_child_rectangle(terminal->window, &rectangle);
201
202
width = (rectangle.width - 2 * terminal->margin) /
935
width = (pixel_width - 2 * terminal->margin) /
203
936
(int32_t) terminal->extents.max_x_advance;
204
height = (rectangle.height - 2 * terminal->margin) /
937
height = (pixel_height - 2 * terminal->margin) /
205
938
(int32_t) terminal->extents.height;
939
206
940
terminal_resize(terminal, width, height);
207
208
if (!terminal->fullscreen) {
209
rectangle.width = terminal->width *
210
terminal->extents.max_x_advance + 2 * terminal->margin;
211
rectangle.height = terminal->height *
212
terminal->extents.height + 2 * terminal->margin;
213
window_set_child_size(terminal->window, &rectangle);
214
}
215
941
}
942
943
static void
944
terminal_draw(struct terminal *terminal)
945
{
216
946
window_draw(terminal->window);
217
947
terminal_draw_contents(terminal);
218
948
window_flush(terminal->window);
226
956
terminal_draw(terminal);
227
957
}
228
958
229
#define STATE_NORMAL 0
230
#define STATE_ESCAPE 1
231
232
959
static void
233
960
terminal_data(struct terminal *terminal, const char *data, size_t length);
234
961
235
962
static void
963
handle_char(struct terminal *terminal, union utf8_char utf8);
964
965
static void
966
handle_sgr(struct terminal *terminal, int code);
967
968
static void
969
handle_term_parameter(struct terminal *terminal, int code, int sr)
970
{
971
int i;
972
973
if (terminal->escape_flags & ESC_FLAG_WHAT) {
974
switch(code) {
975
case 1: /* DECCKM */
976
if (sr) terminal->key_mode = KM_APPLICATION;
977
else terminal->key_mode = KM_NORMAL;
978
break;
979
case 2: /* DECANM */
980
/* No VT52 support yet */
981
terminal->g0 = CS_US;
982
terminal->g1 = CS_US;
983
terminal->cs = terminal->g0;
984
break;
985
case 3: /* DECCOLM */
986
if (sr)
987
terminal_resize(terminal, 132, 24);
988
else
989
terminal_resize(terminal, 80, 24);
990
991
/* set columns, but also home cursor and clear screen */
992
terminal->row = 0; terminal->column = 0;
993
for (i = 0; i < terminal->height; i++) {
994
memset(terminal_get_row(terminal, i),
995
0, terminal->data_pitch);
996
attr_init(terminal_get_attr_row(terminal, i),
997
terminal->curr_attr, terminal->width);
998
}
999
break;
1000
case 5: /* DECSCNM */
1001
if (sr) terminal->mode |= MODE_INVERSE;
1002
else terminal->mode &= ~MODE_INVERSE;
1003
break;
1004
case 6: /* DECOM */
1005
terminal->origin_mode = sr;
1006
if (terminal->origin_mode)
1007
terminal->row = terminal->margin_top;
1008
else
1009
terminal->row = 0;
1010
terminal->column = 0;
1011
break;
1012
case 7: /* DECAWM */
1013
if (sr) terminal->mode |= MODE_AUTOWRAP;
1014
else terminal->mode &= ~MODE_AUTOWRAP;
1015
break;
1016
case 8: /* DECARM */
1017
if (sr) terminal->mode |= MODE_AUTOREPEAT;
1018
else terminal->mode &= ~MODE_AUTOREPEAT;
1019
break;
1020
case 25:
1021
if (sr) terminal->mode |= MODE_SHOW_CURSOR;
1022
else terminal->mode &= ~MODE_SHOW_CURSOR;
1023
break;
1024
case 1037: /* deleteSendsDel */
1025
if (sr) terminal->mode |= MODE_DELETE_SENDS_DEL;
1026
else terminal->mode &= ~MODE_DELETE_SENDS_DEL;
1027
break;
1028
case 1039: /* altSendsEscape */
1029
if (sr) terminal->mode |= MODE_ALT_SENDS_ESC;
1030
else terminal->mode &= ~MODE_ALT_SENDS_ESC;
1031
break;
1032
default:
1033
fprintf(stderr, "Unknown parameter: ?%d\n", code);
1034
break;
1035
}
1036
} else {
1037
switch(code) {
1038
case 4: /* IRM */
1039
if (sr) terminal->mode |= MODE_IRM;
1040
else terminal->mode &= ~MODE_IRM;
1041
break;
1042
case 20: /* LNM */
1043
if (sr) terminal->mode |= MODE_LF_NEWLINE;
1044
else terminal->mode &= ~MODE_LF_NEWLINE;
1045
break;
1046
default:
1047
fprintf(stderr, "Unknown parameter: %d\n", code);
1048
break;
1049
}
1050
}
1051
}
1052
1053
static void
1054
handle_dcs(struct terminal *terminal)
1055
{
1056
}
1057
1058
static void
1059
handle_osc(struct terminal *terminal)
1060
{
1061
}
1062
1063
static void
236
1064
handle_escape(struct terminal *terminal)
237
1065
{
238
char *row, *p;
239
int i, count;
1066
union utf8_char *row;
1067
struct attr *attr_row;
1068
char *p;
1069
int i, count, x, y, top, bottom;
240
1070
int args[10], set[10] = { 0, };
1071
char response[MAX_RESPONSE] = {0, };
241
1072
242
1073
terminal->escape[terminal->escape_length++] = '\0';
243
1074
i = 0;
244
1075
p = &terminal->escape[2];
245
1076
while ((isdigit(*p) || *p == ';') && i < 10) {
246
1077
if (*p == ';') {
1078
if (!set[i]) {
1079
args[i] = 0;
1080
set[i] = 1;
1081
}
247
1082
p++;
248
1083
i++;
249
1084
} else {
253
1088
}
254
1089
255
1090
switch (*p) {
256
case 'A':
257
count = set[0] ? args[0] : 1;
258
if (terminal->row - count >= 0)
1091
case '@': /* ICH */
1092
count = set[0] ? args[0] : 1;
1093
if (count == 0) count = 1;
1094
terminal_shift_line(terminal, count);
1095
break;
1096
case 'A': /* CUU */
1097
count = set[0] ? args[0] : 1;
1098
if (count == 0) count = 1;
1099
if (terminal->row - count >= terminal->margin_top)
259
1100
terminal->row -= count;
260
1101
else
261
terminal->row = 0;
1102
terminal->row = terminal->margin_top;
262
1103
break;
263
case 'B':
1104
case 'B': /* CUD */
264
1105
count = set[0] ? args[0] : 1;
265
if (terminal->row + count < terminal->height)
1106
if (count == 0) count = 1;
1107
if (terminal->row + count <= terminal->margin_bottom)
266
1108
terminal->row += count;
267
1109
else
268
terminal->row = terminal->height;
1110
terminal->row = terminal->margin_bottom;
269
1111
break;
270
case 'C':
1112
case 'C': /* CUF */
271
1113
count = set[0] ? args[0] : 1;
272
if (terminal->column + count < terminal->width)
1114
if (count == 0) count = 1;
1115
if ((terminal->column + count) < terminal->width)
273
1116
terminal->column += count;
274
1117
else
275
terminal->column = terminal->width;
1118
terminal->column = terminal->width - 1;
276
1119
break;
277
case 'D':
1120
case 'D': /* CUB */
278
1121
count = set[0] ? args[0] : 1;
279
if (terminal->column - count >= 0)
1122
if (count == 0) count = 1;
1123
if ((terminal->column - count) >= 0)
280
1124
terminal->column -= count;
281
1125
else
282
1126
terminal->column = 0;
283
1127
break;
284
case 'J':
285
row = terminal_get_row(terminal, terminal->row);
286
memset(&row[terminal->column], 0, terminal->width - terminal->column);
287
for (i = terminal->row + 1; i < terminal->height; i++)
288
memset(terminal_get_row(terminal, i), 0, terminal->width);
289
break;
290
case 'G':
291
if (set[0])
292
terminal->column = args[0] - 1;
293
break;
294
case 'H':
295
case 'f':
296
terminal->row = set[0] ? args[0] - 1 : 0;
297
terminal->column = set[1] ? args[1] - 1 : 0;
298
break;
299
case 'K':
300
row = terminal_get_row(terminal, terminal->row);
301
memset(&row[terminal->column], 0, terminal->width - terminal->column);
302
break;
303
case 'm':
304
/* color, blink, bold etc*/
305
break;
306
case '?':
307
if (strcmp(p, "?25l") == 0) {
308
/* hide cursor */
309
} else if (strcmp(p, "?25h") == 0) {
310
/* show cursor */
311
}
1128
case 'E': /* CNL */
1129
count = set[0] ? args[0] : 1;
1130
if (terminal->row + count <= terminal->margin_bottom)
1131
terminal->row += count;
1132
else
1133
terminal->row = terminal->margin_bottom;
1134
terminal->column = 0;
1135
break;
1136
case 'F': /* CPL */
1137
count = set[0] ? args[0] : 1;
1138
if (terminal->row - count >= terminal->margin_top)
1139
terminal->row -= count;
1140
else
1141
terminal->row = terminal->margin_top;
1142
terminal->column = 0;
1143
break;
1144
case 'G': /* CHA */
1145
y = set[0] ? args[0] : 1;
1146
y = y <= 0 ? 1 : y > terminal->width ? terminal->width : y;
1147
1148
terminal->column = y - 1;
1149
break;
1150
case 'f': /* HVP */
1151
case 'H': /* CUP */
1152
x = (set[1] ? args[1] : 1) - 1;
1153
x = x < 0 ? 0 :
1154
(x >= terminal->width ? terminal->width - 1 : x);
1155
1156
y = (set[0] ? args[0] : 1) - 1;
1157
if (terminal->origin_mode) {
1158
y += terminal->margin_top;
1159
y = y < terminal->margin_top ? terminal->margin_top :
1160
(y > terminal->margin_bottom ? terminal->margin_bottom : y);
1161
} else {
1162
y = y < 0 ? 0 :
1163
(y >= terminal->height ? terminal->height - 1 : y);
1164
}
1165
1166
terminal->row = y;
1167
terminal->column = x;
1168
break;
1169
case 'I': /* CHT */
1170
count = set[0] ? args[0] : 1;
1171
if (count == 0) count = 1;
1172
while (count > 0 && terminal->column < terminal->width) {
1173
if (terminal->tab_ruler[terminal->column]) count--;
1174
terminal->column++;
1175
}
1176
terminal->column--;
1177
break;
1178
case 'J': /* ED */
1179
row = terminal_get_row(terminal, terminal->row);
1180
attr_row = terminal_get_attr_row(terminal, terminal->row);
1181
if (!set[0] || args[0] == 0 || args[0] > 2) {
1182
memset(&row[terminal->column],
1183
0, (terminal->width - terminal->column) * sizeof(union utf8_char));
1184
attr_init(&attr_row[terminal->column],
1185
terminal->curr_attr, terminal->width - terminal->column);
1186
for (i = terminal->row + 1; i < terminal->height; i++) {
1187
memset(terminal_get_row(terminal, i),
1188
0, terminal->data_pitch);
1189
attr_init(terminal_get_attr_row(terminal, i),
1190
terminal->curr_attr, terminal->width);
1191
}
1192
} else if (args[0] == 1) {
1193
memset(row, 0, (terminal->column+1) * sizeof(union utf8_char));
1194
attr_init(attr_row, terminal->curr_attr, terminal->column+1);
1195
for (i = 0; i < terminal->row; i++) {
1196
memset(terminal_get_row(terminal, i),
1197
0, terminal->data_pitch);
1198
attr_init(terminal_get_attr_row(terminal, i),
1199
terminal->curr_attr, terminal->width);
1200
}
1201
} else if (args[0] == 2) {
1202
for (i = 0; i < terminal->height; i++) {
1203
memset(terminal_get_row(terminal, i),
1204
0, terminal->data_pitch);
1205
attr_init(terminal_get_attr_row(terminal, i),
1206
terminal->curr_attr, terminal->width);
1207
}
1208
}
1209
break;
1210
case 'K': /* EL */
1211
row = terminal_get_row(terminal, terminal->row);
1212
attr_row = terminal_get_attr_row(terminal, terminal->row);
1213
if (!set[0] || args[0] == 0 || args[0] > 2) {
1214
memset(&row[terminal->column], 0,
1215
(terminal->width - terminal->column) * sizeof(union utf8_char));
1216
attr_init(&attr_row[terminal->column], terminal->curr_attr,
1217
terminal->width - terminal->column);
1218
} else if (args[0] == 1) {
1219
memset(row, 0, (terminal->column+1) * sizeof(union utf8_char));
1220
attr_init(attr_row, terminal->curr_attr, terminal->column+1);
1221
} else if (args[0] == 2) {
1222
memset(row, 0, terminal->data_pitch);
1223
attr_init(attr_row, terminal->curr_attr, terminal->width);
1224
}
1225
break;
1226
case 'L': /* IL */
1227
count = set[0] ? args[0] : 1;
1228
if (count == 0) count = 1;
1229
if (terminal->row >= terminal->margin_top &&
1230
terminal->row < terminal->margin_bottom)
1231
{
1232
top = terminal->margin_top;
1233
terminal->margin_top = terminal->row;
1234
terminal_scroll(terminal, 0 - count);
1235
terminal->margin_top = top;
1236
} else if (terminal->row == terminal->margin_bottom) {
1237
memset(terminal_get_row(terminal, terminal->row),
1238
0, terminal->data_pitch);
1239
attr_init(terminal_get_attr_row(terminal, terminal->row),
1240
terminal->curr_attr, terminal->width);
1241
}
1242
break;
1243
case 'M': /* DL */
1244
count = set[0] ? args[0] : 1;
1245
if (count == 0) count = 1;
1246
if (terminal->row >= terminal->margin_top &&
1247
terminal->row < terminal->margin_bottom)
1248
{
1249
top = terminal->margin_top;
1250
terminal->margin_top = terminal->row;
1251
terminal_scroll(terminal, count);
1252
terminal->margin_top = top;
1253
} else if (terminal->row == terminal->margin_bottom) {
1254
memset(terminal_get_row(terminal, terminal->row),
1255
0, terminal->data_pitch);
1256
}
1257
break;
1258
case 'P': /* DCH */
1259
count = set[0] ? args[0] : 1;
1260
if (count == 0) count = 1;
1261
terminal_shift_line(terminal, 0 - count);
1262
break;
1263
case 'S': /* SU */
1264
terminal_scroll(terminal, set[0] ? args[0] : 1);
1265
break;
1266
case 'T': /* SD */
1267
terminal_scroll(terminal, 0 - (set[0] ? args[0] : 1));
1268
break;
1269
case 'X': /* ECH */
1270
count = set[0] ? args[0] : 1;
1271
if (count == 0) count = 1;
1272
if ((terminal->column + count) > terminal->width)
1273
count = terminal->width - terminal->column;
1274
row = terminal_get_row(terminal, terminal->row);
1275
attr_row = terminal_get_attr_row(terminal, terminal->row);
1276
memset(&row[terminal->column], 0, count * sizeof(union utf8_char));
1277
attr_init(&attr_row[terminal->column], terminal->curr_attr, count);
1278
break;
1279
case 'Z': /* CBT */
1280
count = set[0] ? args[0] : 1;
1281
if (count == 0) count = 1;
1282
while (count > 0 && terminal->column >= 0) {
1283
if (terminal->tab_ruler[terminal->column]) count--;
1284
terminal->column--;
1285
}
1286
terminal->column++;
1287
break;
1288
case '`': /* HPA */
1289
y = set[0] ? args[0] : 1;
1290
y = y <= 0 ? 1 : y > terminal->width ? terminal->width : y;
1291
1292
terminal->column = y - 1;
1293
break;
1294
case 'b': /* REP */
1295
count = set[0] ? args[0] : 1;
1296
if (count == 0) count = 1;
1297
if (terminal->last_char.byte[0])
1298
for (i = 0; i < count; i++)
1299
handle_char(terminal, terminal->last_char);
1300
terminal->last_char.byte[0] = 0;
1301
break;
1302
case 'c': /* Primary DA */
1303
write(terminal->master, "\e[?6c", 5);
1304
break;
1305
case 'd': /* VPA */
1306
x = set[0] ? args[0] : 1;
1307
x = x <= 0 ? 1 : x > terminal->height ? terminal->height : x;
1308
1309
terminal->row = x - 1;
1310
break;
1311
case 'g': /* TBC */
1312
if (!set[0] || args[0] == 0) {
1313
terminal->tab_ruler[terminal->column] = 0;
1314
} else if (args[0] == 3) {
1315
memset(terminal->tab_ruler, 0, terminal->width);
1316
}
1317
break;
1318
case 'h': /* SM */
1319
for(i = 0; i < 10 && set[i]; i++) {
1320
handle_term_parameter(terminal, args[i], 1);
1321
}
1322
break;
1323
case 'l': /* RM */
1324
for(i = 0; i < 10 && set[i]; i++) {
1325
handle_term_parameter(terminal, args[i], 0);
1326
}
1327
break;
1328
case 'm': /* SGR */
1329
for(i = 0; i < 10; i++) {
1330
if (i <= 7 && set[i] && set[i + 1] &&
1331
set[i + 2] && args[i + 1] == 5)
1332
{
1333
if (args[i] == 38) {
1334
handle_sgr(terminal, args[i + 2] + 256);
1335
break;
1336
} else if (args[i] == 48) {
1337
handle_sgr(terminal, args[i + 2] + 512);
1338
break;
1339
}
1340
}
1341
if(set[i]) {
1342
handle_sgr(terminal, args[i]);
1343
} else if(i == 0) {
1344
handle_sgr(terminal, 0);
1345
break;
1346
} else {
1347
break;
1348
}
1349
}
1350
break;
1351
case 'n': /* DSR */
1352
i = set[0] ? args[0] : 0;
1353
if (i == 0 || i == 5) {
1354
write(terminal->master, "\e[0n", 4);
1355
} else if (i == 6) {
1356
snprintf(response, MAX_RESPONSE, "\e[%d;%dR",
1357
terminal->origin_mode ?
1358
terminal->row+terminal->margin_top : terminal->row+1,
1359
terminal->column+1);
1360
write(terminal->master, response, strlen(response));
1361
}
1362
break;
1363
case 'r':
1364
if(!set[0]) {
1365
terminal->margin_top = 0;
1366
terminal->margin_bottom = terminal->height-1;
1367
terminal->row = 0;
1368
terminal->column = 0;
1369
} else {
1370
top = (set[0] ? args[0] : 1) - 1;
1371
top = top < 0 ? 0 :
1372
(top >= terminal->height ? terminal->height - 1 : top);
1373
bottom = (set[1] ? args[1] : 1) - 1;
1374
bottom = bottom < 0 ? 0 :
1375
(bottom >= terminal->height ? terminal->height - 1 : bottom);
1376
if(bottom > top) {
1377
terminal->margin_top = top;
1378
terminal->margin_bottom = bottom;
1379
} else {
1380
terminal->margin_top = 0;
1381
terminal->margin_bottom = terminal->height-1;
1382
}
1383
if(terminal->origin_mode)
1384
terminal->row = terminal->margin_top;
1385
else
1386
terminal->row = 0;
1387
terminal->column = 0;
1388
}
1389
break;
1390
case 's':
1391
terminal->saved_row = terminal->row;
1392
terminal->saved_column = terminal->column;
1393
break;
1394
case 'u':
1395
terminal->row = terminal->saved_row;
1396
terminal->column = terminal->saved_column;
312
1397
break;
313
1398
default:
314
terminal_data(terminal,
315
terminal->escape + 1,
316
terminal->escape_length - 2);
1399
fprintf(stderr, "Unknown CSI escape: %c\n", *p);
317
1400
break;
318
1401
}
319
1402
}
320
1403
321
1404
static void
1405
handle_non_csi_escape(struct terminal *terminal, char code)
1406
{
1407
switch(code) {
1408
case 'M': /* RI */
1409
terminal->row -= 1;
1410
if(terminal->row < terminal->margin_top) {
1411
terminal->row = terminal->margin_top;
1412
terminal_scroll(terminal, -1);
1413
}
1414
break;
1415
case 'E': /* NEL */
1416
terminal->column = 0;
1417
// fallthrough
1418
case 'D': /* IND */
1419
terminal->row += 1;
1420
if(terminal->row > terminal->margin_bottom) {
1421
terminal->row = terminal->margin_bottom;
1422
terminal_scroll(terminal, +1);
1423
}
1424
break;
1425
case 'c': /* RIS */
1426
terminal_init(terminal);
1427
break;
1428
case 'H': /* HTS */
1429
terminal->tab_ruler[terminal->column] = 1;
1430
break;
1431
case '7': /* DECSC */
1432
terminal->saved_row = terminal->row;
1433
terminal->saved_column = terminal->column;
1434
terminal->saved_attr = terminal->curr_attr;
1435
terminal->saved_origin_mode = terminal->origin_mode;
1436
terminal->saved_cs = terminal->cs;
1437
terminal->saved_g0 = terminal->g0;
1438
terminal->saved_g1 = terminal->g1;
1439
break;
1440
case '8': /* DECRC */
1441
terminal->row = terminal->saved_row;
1442
terminal->column = terminal->saved_column;
1443
terminal->curr_attr = terminal->saved_attr;
1444
terminal->origin_mode = terminal->saved_origin_mode;
1445
terminal->cs = terminal->saved_cs;
1446
terminal->g0 = terminal->saved_g0;
1447
terminal->g1 = terminal->saved_g1;
1448
break;
1449
case '=': /* DECPAM */
1450
terminal->key_mode = KM_APPLICATION;
1451
break;
1452
case '>': /* DECPNM */
1453
terminal->key_mode = KM_NORMAL;
1454
break;
1455
default:
1456
fprintf(stderr, "Unknown escape code: %c\n", code);
1457
break;
1458
}
1459
}
1460
1461
static void
1462
handle_special_escape(struct terminal *terminal, char special, char code)
1463
{
1464
int i, numChars;
1465
1466
if (special == '#') {
1467
switch(code) {
1468
case '8':
1469
/* fill with 'E', no cheap way to do this */
1470
memset(terminal->data, 0, terminal->data_pitch * terminal->height);
1471
numChars = terminal->width * terminal->height;
1472
for(i = 0; i < numChars; i++) {
1473
terminal->data[i].byte[0] = 'E';
1474
}
1475
break;
1476
default:
1477
fprintf(stderr, "Unknown HASH escape #%c\n", code);
1478
break;
1479
}
1480
} else if (special == '(' || special == ')') {
1481
switch(code) {
1482
case '0':
1483
if (special == '(')
1484
terminal->g0 = CS_SPECIAL;
1485
else
1486
terminal->g1 = CS_SPECIAL;
1487
break;
1488
case 'A':
1489
if (special == '(')
1490
terminal->g0 = CS_UK;
1491
else
1492
terminal->g1 = CS_UK;
1493
break;
1494
case 'B':
1495
if (special == '(')
1496
terminal->g0 = CS_US;
1497
else
1498
terminal->g1 = CS_US;
1499
break;
1500
default:
1501
fprintf(stderr, "Unknown character set %c\n", code);
1502
break;
1503
}
1504
} else {
1505
fprintf(stderr, "Unknown special escape %c%c\n", special, code);
1506
}
1507
}
1508
1509
static void
1510
handle_sgr(struct terminal *terminal, int code)
1511
{
1512
switch(code) {
1513
case 0:
1514
terminal->curr_attr = terminal->color_scheme->default_attr;
1515
break;
1516
case 1:
1517
terminal->curr_attr.a |= ATTRMASK_BOLD;
1518
if (terminal->curr_attr.fg < 8)
1519
terminal->curr_attr.fg += 8;
1520
break;
1521
case 4:
1522
terminal->curr_attr.a |= ATTRMASK_UNDERLINE;
1523
break;
1524
case 5:
1525
terminal->curr_attr.a |= ATTRMASK_BLINK;
1526
break;
1527
case 8:
1528
terminal->curr_attr.a |= ATTRMASK_CONCEALED;
1529
break;
1530
case 2:
1531
case 21:
1532
case 22:
1533
terminal->curr_attr.a &= ~ATTRMASK_BOLD;
1534
if (terminal->curr_attr.fg < 16 && terminal->curr_attr.fg >= 8)
1535
terminal->curr_attr.fg -= 8;
1536
break;
1537
case 24:
1538
terminal->curr_attr.a &= ~ATTRMASK_UNDERLINE;
1539
break;
1540
case 25:
1541
terminal->curr_attr.a &= ~ATTRMASK_BLINK;
1542
break;
1543
case 7:
1544
case 26:
1545
terminal->curr_attr.a |= ATTRMASK_INVERSE;
1546
break;
1547
case 27:
1548
terminal->curr_attr.a &= ~ATTRMASK_INVERSE;
1549
break;
1550
case 28:
1551
terminal->curr_attr.a &= ~ATTRMASK_CONCEALED;
1552
break;
1553
case 39:
1554
terminal->curr_attr.fg = terminal->color_scheme->default_attr.fg;
1555
break;
1556
case 49:
1557
terminal->curr_attr.bg = terminal->color_scheme->default_attr.bg;
1558
break;
1559
default:
1560
if(code >= 30 && code <= 37) {
1561
terminal->curr_attr.fg = code - 30;
1562
if (terminal->curr_attr.a & ATTRMASK_BOLD)
1563
terminal->curr_attr.fg += 8;
1564
} else if(code >= 40 && code <= 47) {
1565
terminal->curr_attr.bg = code - 40;
1566
} else if (code >= 90 && code <= 97) {
1567
terminal->curr_attr.fg = code - 90 + 8;
1568
} else if (code >= 100 && code <= 107) {
1569
terminal->curr_attr.bg = code - 100 + 8;
1570
} else if(code >= 256 && code < 512) {
1571
terminal->curr_attr.fg = code - 256;
1572
} else if(code >= 512 && code < 768) {
1573
terminal->curr_attr.bg = code - 512;
1574
} else {
1575
fprintf(stderr, "Unknown SGR code: %d\n", code);
1576
}
1577
break;
1578
}
1579
}
1580
1581
/* Returns 1 if c was special, otherwise 0 */
1582
static int
1583
handle_special_char(struct terminal *terminal, char c)
1584
{
1585
union utf8_char *row;
1586
struct attr *attr_row;
1587
1588
row = terminal_get_row(terminal, terminal->row);
1589
attr_row = terminal_get_attr_row(terminal, terminal->row);
1590
1591
switch(c) {
1592
case '\r':
1593
terminal->column = 0;
1594
break;
1595
case '\n':
1596
if (terminal->mode & MODE_LF_NEWLINE) {
1597
terminal->column = 0;
1598
}
1599
/* fallthrough */
1600
case '\v':
1601
case '\f':
1602
terminal->row++;
1603
if(terminal->row > terminal->margin_bottom) {
1604
terminal->row = terminal->margin_bottom;
1605
terminal_scroll(terminal, +1);
1606
}
1607
1608
break;
1609
case '\t':
1610
while (terminal->column < terminal->width) {
1611
if (terminal->tab_ruler[terminal->column]) break;
1612
if (terminal->mode & MODE_IRM)
1613
terminal_shift_line(terminal, +1);
1614
row[terminal->column].byte[0] = ' ';
1615
row[terminal->column].byte[1] = '\0';
1616
attr_row[terminal->column] = terminal->curr_attr;
1617
terminal->column++;
1618
}
1619
if (terminal->column >= terminal->width) {
1620
terminal->column = terminal->width - 1;
1621
}
1622
1623
break;
1624
case '\b':
1625
if (terminal->column >= terminal->width) {
1626
terminal->column = terminal->width - 2;
1627
} else if (terminal->column > 0) {
1628
terminal->column--;
1629
} else if (terminal->mode & MODE_AUTOWRAP) {
1630
terminal->column = terminal->width - 1;
1631
terminal->row -= 1;
1632
if (terminal->row < terminal->margin_top) {
1633
terminal->row = terminal->margin_top;
1634
terminal_scroll(terminal, -1);
1635
}
1636
}
1637
1638
break;
1639
case '\a':
1640
/* Bell */
1641
break;
1642
case '\x0E': /* SO */
1643
terminal->cs = terminal->g1;
1644
break;
1645
case '\x0F': /* SI */
1646
terminal->cs = terminal->g0;
1647
break;
1648
default:
1649
return 0;
1650
}
1651
1652
return 1;
1653
}
1654
1655
static void
1656
handle_char(struct terminal *terminal, union utf8_char utf8)
1657
{
1658
union utf8_char *row;
1659
struct attr *attr_row;
1660
1661
if (handle_special_char(terminal, utf8.byte[0])) return;
1662
1663
apply_char_set(terminal->cs, &utf8);
1664
1665
/* There are a whole lot of non-characters, control codes,
1666
* and formatting codes that should probably be ignored,
1667
* for example: */
1668
if (strncmp((char*) utf8.byte, "\xEF\xBB\xBF", 3) == 0) {
1669
/* BOM, ignore */
1670
return;
1671
}
1672
1673
/* Some of these non-characters should be translated, e.g.: */
1674
if (utf8.byte[0] < 32) {
1675
utf8.byte[0] = utf8.byte[0] + 64;
1676
}
1677
1678
/* handle right margin effects */
1679
if (terminal->column >= terminal->width) {
1680
if (terminal->mode & MODE_AUTOWRAP) {
1681
terminal->column = 0;
1682
terminal->row += 1;
1683
if (terminal->row > terminal->margin_bottom) {
1684
terminal->row = terminal->margin_bottom;
1685
terminal_scroll(terminal, +1);
1686
}
1687
} else {
1688
terminal->column--;
1689
}
1690
}
1691
1692
row = terminal_get_row(terminal, terminal->row);
1693
attr_row = terminal_get_attr_row(terminal, terminal->row);
1694
1695
if (terminal->mode & MODE_IRM)
1696
terminal_shift_line(terminal, +1);
1697
row[terminal->column] = utf8;
1698
attr_row[terminal->column++] = terminal->curr_attr;
1699
1700
if (utf8.ch != terminal->last_char.ch)
1701
terminal->last_char = utf8;
1702
}
1703
1704
static void
1705
escape_append_utf8(struct terminal *terminal, union utf8_char utf8)
1706
{
1707
int len, i;
1708
1709
if ((utf8.byte[0] & 0x80) == 0x00) len = 1;
1710
else if ((utf8.byte[0] & 0xE0) == 0xC0) len = 2;
1711
else if ((utf8.byte[0] & 0xF0) == 0xE0) len = 3;
1712
else if ((utf8.byte[0] & 0xF8) == 0xF0) len = 4;
1713
else len = 1; /* Invalid, cannot happen */
1714
1715
if (terminal->escape_length + len <= MAX_ESCAPE) {
1716
for (i = 0; i < len; i++)
1717
terminal->escape[terminal->escape_length + i] = utf8.byte[i];
1718
terminal->escape_length += len;
1719
} else if (terminal->escape_length < MAX_ESCAPE) {
1720
terminal->escape[terminal->escape_length++] = 0;
1721
}
1722
}
1723
1724
static void
322
1725
terminal_data(struct terminal *terminal, const char *data, size_t length)
323
1726
{
324
1727
int i;
325
char *row;
1728
union utf8_char utf8;
1729
enum utf8_state parser_state;
326
1730
327
1731
for (i = 0; i < length; i++) {
328
row = terminal_get_row(terminal, terminal->row);
329
330
if (terminal->state == STATE_ESCAPE) {
331
terminal->escape[terminal->escape_length++] = data[i];
332
if (terminal->escape_length == 2 && data[i] != '[') {
333
/* Bad escape sequence. */
334
terminal->state = STATE_NORMAL;
335
goto cancel_escape;
336
}
337
338
if (isalpha(data[i])) {
339
terminal->state = STATE_NORMAL;
1732
parser_state =
1733
utf8_next_char(&terminal->state_machine, data[i]);
1734
switch(parser_state) {
1735
case utf8state_accept:
1736
utf8.ch = terminal->state_machine.s.ch;
1737
break;
1738
case utf8state_reject:
1739
/* the unicode replacement character */
1740
utf8.byte[0] = 0xEF;
1741
utf8.byte[1] = 0xBF;
1742
utf8.byte[2] = 0xBD;
1743
utf8.byte[3] = 0x00;
1744
break;
1745
default:
1746
continue;
1747
}
1748
1749
/* assume escape codes never use non-ASCII characters */
1750
switch (terminal->state) {
1751
case escape_state_escape:
1752
escape_append_utf8(terminal, utf8);
1753
switch (utf8.byte[0]) {
1754
case 'P': /* DCS */
1755
terminal->state = escape_state_dcs;
1756
break;
1757
case '[': /* CSI */
1758
terminal->state = escape_state_csi;
1759
break;
1760
case ']': /* OSC */
1761
terminal->state = escape_state_osc;
1762
break;
1763
case '#':
1764
case '(':
1765
case ')': /* special */
1766
terminal->state = escape_state_special;
1767
break;
1768
case '^': /* PM (not implemented) */
1769
case '_': /* APC (not implemented) */
1770
terminal->state = escape_state_ignore;
1771
break;
1772
default:
1773
terminal->state = escape_state_normal;
1774
handle_non_csi_escape(terminal, utf8.byte[0]);
1775
break;
1776
}
1777
continue;
1778
case escape_state_csi:
1779
if (handle_special_char(terminal, utf8.byte[0]) != 0) {
1780
/* do nothing */
1781
} else if (utf8.byte[0] == '?') {
1782
terminal->escape_flags |= ESC_FLAG_WHAT;
1783
} else if (utf8.byte[0] == '>') {
1784
terminal->escape_flags |= ESC_FLAG_GT;
1785
} else if (utf8.byte[0] == '!') {
1786
terminal->escape_flags |= ESC_FLAG_BANG;
1787
} else if (utf8.byte[0] == '$') {
1788
terminal->escape_flags |= ESC_FLAG_CASH;
1789
} else if (utf8.byte[0] == '\'') {
1790
terminal->escape_flags |= ESC_FLAG_SQUOTE;
1791
} else if (utf8.byte[0] == '"') {
1792
terminal->escape_flags |= ESC_FLAG_DQUOTE;
1793
} else if (utf8.byte[0] == ' ') {
1794
terminal->escape_flags |= ESC_FLAG_SPACE;
1795
} else {
1796
escape_append_utf8(terminal, utf8);
1797
if (terminal->escape_length >= MAX_ESCAPE)
1798
terminal->state = escape_state_normal;
1799
}
1800
1801
if (isalpha(utf8.byte[0]) || utf8.byte[0] == '@' ||
1802
utf8.byte[0] == '`')
1803
{
1804
terminal->state = escape_state_normal;
340
1805
handle_escape(terminal);
341
}
342
continue;
1806
} else {
1807
}
1808
continue;
1809
case escape_state_inner_escape:
1810
if (utf8.byte[0] == '\\') {
1811
terminal->state = escape_state_normal;
1812
if (terminal->outer_state == escape_state_dcs) {
1813
handle_dcs(terminal);
1814
} else if (terminal->outer_state == escape_state_osc) {
1815
handle_osc(terminal);
1816
}
1817
} else if (utf8.byte[0] == '\e') {
1818
terminal->state = terminal->outer_state;
1819
escape_append_utf8(terminal, utf8);
1820
if (terminal->escape_length >= MAX_ESCAPE)
1821
terminal->state = escape_state_normal;
1822
} else {
1823
terminal->state = terminal->outer_state;
1824
if (terminal->escape_length < MAX_ESCAPE)
1825
terminal->escape[terminal->escape_length++] = '\e';
1826
escape_append_utf8(terminal, utf8);
1827
if (terminal->escape_length >= MAX_ESCAPE)
1828
terminal->state = escape_state_normal;
1829
}
1830
continue;
1831
case escape_state_dcs:
1832
case escape_state_osc:
1833
case escape_state_ignore:
1834
if (utf8.byte[0] == '\e') {
1835
terminal->outer_state = terminal->state;
1836
terminal->state = escape_state_inner_escape;
1837
} else if (utf8.byte[0] == '\a' && terminal->state == escape_state_osc) {
1838
terminal->state = escape_state_normal;
1839
handle_osc(terminal);
1840
} else {
1841
escape_append_utf8(terminal, utf8);
1842
if (terminal->escape_length >= MAX_ESCAPE)
1843
terminal->state = escape_state_normal;
1844
}
1845
continue;
1846
case escape_state_special:
1847
escape_append_utf8(terminal, utf8);
1848
terminal->state = escape_state_normal;
1849
if (isdigit(utf8.byte[0]) || isalpha(utf8.byte[0])) {
1850
handle_special_escape(terminal, terminal->escape[1],
1851
utf8.byte[0]);
1852
}
1853
continue;
1854
default:
1855
break;
343
1856
}
344
1857
345
cancel_escape:
346
switch (data[i]) {
347
case '\r':
348
terminal->column = 0;
349
break;
350
case '\n':
351
terminal->column = 0;
352
if (terminal->row + 1 < terminal->height) {
353
terminal->row++;
354
} else {
355
terminal->start++;
356
if (terminal->start == terminal->height)
357
terminal->start = 0;
358
memset(terminal_get_row(terminal, terminal->row),
359
0, terminal->width);
360
}
361
362
break;
363
case '\t':
364
memset(&row[terminal->column], ' ', -terminal->column & 7);
365
terminal->column = (terminal->column + 7) & ~7;
366
break;
367
case '\e':
368
terminal->state = STATE_ESCAPE;
1858
/* this is valid, because ASCII characters are never used to
1859
* introduce a multibyte sequence in UTF-8 */
1860
if (utf8.byte[0] == '\e') {
1861
terminal->state = escape_state_escape;
1862
terminal->outer_state = escape_state_normal;
369
1863
terminal->escape[0] = '\e';
370
1864
terminal->escape_length = 1;
371
break;
372
case '\b':
373
if (terminal->column > 0)
374
terminal->column--;
375
break;
376
case '\a':
377
/* Bell */
378
break;
379
default:
380
if (terminal->column < terminal->width)
381
row[terminal->column++] = data[i] < 32 ? data[i] + 64 : data[i];
382
break;
383
}
384
}
1865
terminal->escape_flags = 0;
1866
} else {
1867
handle_char(terminal, utf8);
1868
} /* if */
1869
} /* for */
385
1870
386
1871
window_schedule_redraw(terminal->window);
387
1872
}
391
1876
uint32_t state, uint32_t modifiers, void *data)
392
1877
{
393
1878
struct terminal *terminal = data;
394
char ch[2];
1879
char ch[MAX_RESPONSE];
395
1880
int len = 0;
396
1881
397
1882
switch (sym) {
403
1888
window_schedule_redraw(terminal->window);
404
1889
break;
405
1890
406
case XK_Delete:
407
sym = 0x04;
408
1891
case XK_BackSpace:
409
1892
case XK_Tab:
410
1893
case XK_Linefeed:
411
1894
case XK_Clear:
412
case XK_Return:
413
1895
case XK_Pause:
414
1896
case XK_Scroll_Lock:
415
1897
case XK_Sys_Req:
417
1899
ch[len++] = sym & 0x7f;
418
1900
break;
419
1901
1902
case XK_Return:
1903
if (terminal->mode & MODE_LF_NEWLINE) {
1904
ch[len++] = 0x0D;
1905
ch[len++] = 0x0A;
1906
} else {
1907
ch[len++] = 0x0D;
1908
}
1909
break;
1910
420
1911
case XK_Shift_L:
421
1912
case XK_Shift_R:
422
1913
case XK_Control_L:
425
1916
case XK_Alt_R:
426
1917
break;
427
1918
1919
case XK_Insert:
1920
len = function_key_response('[', 2, modifiers, '~', ch);
1921
break;
1922
case XK_Delete:
1923
if (terminal->mode & MODE_DELETE_SENDS_DEL) {
1924
ch[len++] = '\x04';
1925
} else {
1926
len = function_key_response('[', 3, modifiers, '~', ch);
1927
}
1928
break;
1929
case XK_Page_Up:
1930
len = function_key_response('[', 5, modifiers, '~', ch);
1931
break;
1932
case XK_Page_Down:
1933
len = function_key_response('[', 6, modifiers, '~', ch);
1934
break;
1935
case XK_F1:
1936
len = function_key_response('O', 1, modifiers, 'P', ch);
1937
break;
1938
case XK_F2:
1939
len = function_key_response('O', 1, modifiers, 'Q', ch);
1940
break;
1941
case XK_F3:
1942
len = function_key_response('O', 1, modifiers, 'R', ch);
1943
break;
1944
case XK_F4:
1945
len = function_key_response('O', 1, modifiers, 'S', ch);
1946
break;
1947
case XK_F5:
1948
len = function_key_response('[', 15, modifiers, '~', ch);
1949
break;
1950
case XK_F6:
1951
len = function_key_response('[', 17, modifiers, '~', ch);
1952
break;
1953
case XK_F7:
1954
len = function_key_response('[', 18, modifiers, '~', ch);
1955
break;
1956
case XK_F8:
1957
len = function_key_response('[', 19, modifiers, '~', ch);
1958
break;
1959
case XK_F9:
1960
len = function_key_response('[', 20, modifiers, '~', ch);
1961
break;
1962
case XK_F10:
1963
len = function_key_response('[', 21, modifiers, '~', ch);
1964
break;
1965
case XK_F12:
1966
len = function_key_response('[', 24, modifiers, '~', ch);
1967
break;
428
1968
default:
429
if (modifiers & WINDOW_MODIFIER_CONTROL)
430
sym = sym & 0x1f;
431
else if (modifiers & WINDOW_MODIFIER_ALT)
1969
/* Handle special keys with alternate mappings */
1970
len = apply_key_map(terminal->key_mode, sym, modifiers, ch);
1971
if (len != 0) break;
1972
1973
if (modifiers & WINDOW_MODIFIER_CONTROL) {
1974
if (sym >= '3' && sym <= '7')
1975
sym = (sym & 0x1f) + 8;
1976
1977
if (!((sym >= '!' && sym <= '/') ||
1978
(sym >= '8' && sym <= '?') ||
1979
(sym >= '0' && sym <= '2'))) sym = sym & 0x1f;
1980
else if (sym == '2') sym = 0x00;
1981
else if (sym == '/') sym = 0x1F;
1982
else if (sym == '8' || sym == '?') sym = 0x7F;
1983
} else if ((terminal->mode & MODE_ALT_SENDS_ESC) &&
1984
(modifiers & WINDOW_MODIFIER_ALT))
1985
{
432
1986
ch[len++] = 0x1b;
1987
} else if (modifiers & WINDOW_MODIFIER_ALT) {
1988
sym = sym | 0x80;
1989
}
1990
433
1991
if (sym < 256)
434
1992
ch[len++] = sym;
435
1993
break;
462
2020
463
2021
memset(terminal, 0, sizeof *terminal);
464
2022
terminal->fullscreen = fullscreen;
465
terminal->color_scheme = &jbarnes_colors;
2023
terminal->color_scheme = &DEFAULT_COLORS;
2024
terminal_init(terminal);
2025
terminal->margin_top = 0;
2026
terminal->margin_bottom = -1;
466
2027
terminal->window = window_create(display, "Wayland Terminal",
467
500, 100, 500, 400);
2028
500, 400);
2029
2030
init_state_machine(&terminal->state_machine);
2031
init_color_table(terminal);
2032
468
2033
terminal->display = display;
469
2034
terminal->margin = 5;
470
2035
471
2036
window_set_fullscreen(terminal->window, terminal->fullscreen);
472
2037
window_set_user_data(terminal->window, terminal);
473
2038
window_set_redraw_handler(terminal->window, redraw_handler);
2039
window_set_resize_handler(terminal->window, resize_handler);
474
2040
475
2041
window_set_key_handler(terminal->window, key_handler);
476
2042
window_set_keyboard_focus_handler(terminal->window,
478
2044
479
2045
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 0, 0);
480
2046
cr = cairo_create(surface);
2047
cairo_set_font_size(cr, 14);
2048
cairo_select_font_face (cr, "mono",
2049
CAIRO_FONT_SLANT_NORMAL,
2050
CAIRO_FONT_WEIGHT_BOLD);
2051
terminal->font_bold = cairo_get_scaled_font (cr);
2052
cairo_scaled_font_reference(terminal->font_bold);
2053
481
2054
cairo_select_font_face (cr, "mono",
482
2055
CAIRO_FONT_SLANT_NORMAL,
483
2056
CAIRO_FONT_WEIGHT_NORMAL);
484
cairo_set_font_size(cr, 14);
2057
terminal->font_normal = cairo_get_scaled_font (cr);
2058
cairo_scaled_font_reference(terminal->font_normal);
2059
485
2060
cairo_font_extents(cr, &terminal->extents);
486
2061
cairo_destroy(cr);
487
2062
cairo_surface_destroy(surface);
488
2063
2064
terminal_resize(terminal, 80, 24);
489
2065
terminal_draw(terminal);
490
2066
491
2067
return terminal;
517
2093
518
2094
pid = forkpty(&master, NULL, NULL, NULL);
519
2095
if (pid == 0) {
520
setenv("TERM", "vt100", 1);
2096
setenv("TERM", "xterm-256color", 1);
2097
setenv("COLORTERM", "xterm-256color", 1);
521
2098
if (execl(path, path, NULL)) {
522
2099
printf("exec failed: %m\n");
523
2100
exit(EXIT_FAILURE);
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