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Kristian Høgsberg0c4457f2008-12-07 19:59:11 -05001/*
2 * Copyright © 2008 Kristian Høgsberg
3 *
4 * Permission to use, copy, modify, distribute, and sell this software and its
5 * documentation for any purpose is hereby granted without fee, provided that
6 * the above copyright notice appear in all copies and that both that copyright
7 * notice and this permission notice appear in supporting documentation, and
8 * that the name of the copyright holders not be used in advertising or
9 * publicity pertaining to distribution of the software without specific,
10 * written prior permission. The copyright holders make no representations
11 * about the suitability of this software for any purpose. It is provided "as
12 * is" without express or implied warranty.
13 *
14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20 * OF THIS SOFTWARE.
21 */
22
23#include <stdint.h>
24#include <stdio.h>
25#include <stdlib.h>
26#include <string.h>
27#include <fcntl.h>
28#include <unistd.h>
29#include <math.h>
30#include <time.h>
Kristian Høgsberg269d6e32008-12-07 23:17:31 -050031#include <pty.h>
Kristian Høgsbergf04e8382008-12-08 00:07:49 -050032#include <ctype.h>
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -050033#include <cairo.h>
34#include <glib.h>
35
Kristian Høgsberg94adf6c2010-06-25 16:50:05 -040036#include <X11/keysym.h>
37
Kristian Høgsberg12308a42009-09-28 13:08:50 -040038#include "wayland-util.h"
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -050039#include "wayland-client.h"
40#include "wayland-glib.h"
41
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -050042#include "window.h"
43
Kristian Høgsberg0395f302008-12-22 12:14:50 -050044static int option_fullscreen;
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -050045
Kristian Høgsberg6e83d582008-12-08 00:01:36 -050046#define MOD_SHIFT 0x01
47#define MOD_ALT 0x02
48#define MOD_CTRL 0x04
49
Callum Lowcay30eeae52011-01-07 19:46:55 +000050#define ATTRMASK_BOLD 0x01
51#define ATTRMASK_UNDERLINE 0x02
52#define ATTRMASK_BLINK 0x04
53#define ATTRMASK_INVERSE 0x08
Callum Lowcay81179db2011-01-10 12:14:01 +130054#define ATTRMASK_CONCEALED 0x10
Callum Lowcay30eeae52011-01-07 19:46:55 +000055
Callum Lowcayb8609ad2011-01-07 19:46:57 +000056/* Buffer sizes */
57#define MAX_RESPONSE 11
58#define MAX_ESCAPE 64
59
Callum Lowcay8e57dd52011-01-07 19:46:59 +000060/* 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
Callum Lowcay69e96582011-01-07 19:47:00 +000066#define MODE_IRM 0x00000020
Callum Lowcay7e08e902011-01-07 19:47:02 +000067#define MODE_DELETE_SENDS_DEL 0x00000040
68#define MODE_ALT_SENDS_ESC 0x00000080
Callum Lowcay8e57dd52011-01-07 19:46:59 +000069
Callum Lowcay15bdc5d2011-01-07 19:46:54 +000070union utf8_char {
71 unsigned char byte[4];
72 uint32_t ch;
73};
74
75enum utf8_state {
76 utf8state_start,
77 utf8state_accept,
78 utf8state_reject,
79 utf8state_expect3,
80 utf8state_expect2,
81 utf8state_expect1
82};
83
84struct utf8_state_machine {
85 enum utf8_state state;
86 int len;
87 union utf8_char s;
88};
89
90static void
91init_state_machine(struct utf8_state_machine *machine)
92{
93 machine->state = utf8state_start;
94 machine->len = 0;
95 machine->s.ch = 0;
96}
97
98static enum utf8_state
99utf8_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
Callum Lowcay256e72f2011-01-07 19:47:01 +0000172struct char_sub {
173 union utf8_char match;
174 union utf8_char replace;
175};
176/* Set last char_sub match to NULL char */
177typedef struct char_sub *character_set;
178
179struct char_sub CS_US[] = {
180 {{{0, }}, {{0, }}}
181};
182static struct char_sub CS_UK[] = {
183 {{{'#', 0, }}, {{0xC2, 0xA3, 0, }}},
184 {{{0, }}, {{0, }}}
185};
186static 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
221static void
222apply_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
Callum Lowcay7e08e902011-01-07 19:47:02 +0000235struct key_map {
236 int sym;
237 int num;
238 char escape;
239 char code;
240};
241/* Set last key_sub sym to NULL */
242typedef struct key_map *keyboard_mode;
243
244static 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};
253static 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
269static int
270function_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 */
296static int
297apply_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
Callum Lowcay30eeae52011-01-07 19:46:55 +0000316struct terminal_color { double r, g, b, a; };
317struct attr {
318 unsigned char fg, bg;
319 char a; /* attributes format:
320 * 76543210
Callum Lowcay81179db2011-01-10 12:14:01 +1300321 * cilub */
Callum Lowcay30eeae52011-01-07 19:46:55 +0000322 char r; /* reserved */
323};
324struct color_scheme {
325 struct terminal_color palette[16];
326 struct terminal_color border;
327 struct attr default_attr;
328};
329
330static void
331attr_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
Callum Lowcay67a201d2011-01-12 19:23:41 +1300339enum 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
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -0500358struct terminal {
359 struct window *window;
Kristian Høgsberg43c28ee2009-01-26 23:42:46 -0500360 struct display *display;
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000361 union utf8_char *data;
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000362 char *tab_ruler;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000363 struct attr *data_attr;
364 struct attr curr_attr;
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000365 uint32_t mode;
Callum Lowcaybbeac602011-01-07 19:46:58 +0000366 char origin_mode;
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000367 char saved_origin_mode;
368 struct attr saved_attr;
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000369 union utf8_char last_char;
Callum Lowcaybbeac602011-01-07 19:46:58 +0000370 int margin_top, margin_bottom;
Callum Lowcay256e72f2011-01-07 19:47:01 +0000371 character_set cs, g0, g1;
372 character_set saved_cs, saved_g0, saved_g1;
Callum Lowcay7e08e902011-01-07 19:47:02 +0000373 keyboard_mode key_mode;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000374 int data_pitch, attr_pitch; /* The width in bytes of a line */
Kristian Høgsbergdbd54642008-12-08 22:22:25 -0500375 int width, height, start, row, column;
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000376 int saved_row, saved_column;
Kristian Høgsberg6e83d582008-12-08 00:01:36 -0500377 int fd, master;
Kristian Høgsberg269d6e32008-12-07 23:17:31 -0500378 GIOChannel *channel;
Kristian Høgsberg6e83d582008-12-08 00:01:36 -0500379 uint32_t modifiers;
Callum Lowcayb8609ad2011-01-07 19:46:57 +0000380 char escape[MAX_ESCAPE];
Kristian Høgsberg17809b12008-12-08 12:20:40 -0500381 int escape_length;
Callum Lowcay67a201d2011-01-12 19:23:41 +1300382 enum escape_state state;
383 enum escape_state outer_state;
384 int escape_flags;
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000385 struct utf8_state_machine state_machine;
Kristian Høgsberg1584c572008-12-08 12:59:37 -0500386 int margin;
Kristian Høgsberg0395f302008-12-22 12:14:50 -0500387 int fullscreen;
Kristian Høgsberg3c248cc2009-02-22 23:01:35 -0500388 int focused;
Kristian Høgsberg12308a42009-09-28 13:08:50 -0400389 struct color_scheme *color_scheme;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000390 struct terminal_color color_table[256];
Kristian Høgsberg09531622010-06-14 23:22:15 -0400391 cairo_font_extents_t extents;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000392 cairo_font_face_t *font_normal, *font_bold;
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -0500393};
394
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000395/* Create default tab stops, every 8 characters */
396static void
397terminal_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
Callum Lowcay30eeae52011-01-07 19:46:55 +0000410static void
411terminal_init(struct terminal *terminal)
412{
413 terminal->curr_attr = terminal->color_scheme->default_attr;
Callum Lowcaybbeac602011-01-07 19:46:58 +0000414 terminal->origin_mode = 0;
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000415 terminal->mode = MODE_SHOW_CURSOR |
416 MODE_AUTOREPEAT |
Callum Lowcay7e08e902011-01-07 19:47:02 +0000417 MODE_ALT_SENDS_ESC |
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000418 MODE_AUTOWRAP;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000419
420 terminal->row = 0;
421 terminal->column = 0;
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000422
Callum Lowcay256e72f2011-01-07 19:47:01 +0000423 terminal->g0 = CS_US;
424 terminal->g1 = CS_US;
425 terminal->cs = terminal->g0;
Callum Lowcay7e08e902011-01-07 19:47:02 +0000426 terminal->key_mode = KM_NORMAL;
Callum Lowcay256e72f2011-01-07 19:47:01 +0000427
428 terminal->saved_g0 = terminal->g0;
429 terminal->saved_g1 = terminal->g1;
430 terminal->saved_cs = terminal->cs;
431
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000432 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);
Callum Lowcay30eeae52011-01-07 19:46:55 +0000438}
439
440static void
441init_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
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000465static union utf8_char *
Kristian Høgsbergdbd54642008-12-08 22:22:25 -0500466terminal_get_row(struct terminal *terminal, int row)
467{
468 int index;
469
470 index = (row + terminal->start) % terminal->height;
471
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000472 return &terminal->data[index * terminal->width];
Kristian Høgsbergdbd54642008-12-08 22:22:25 -0500473}
474
Callum Lowcay30eeae52011-01-07 19:46:55 +0000475static struct attr*
476terminal_get_attr_row(struct terminal *terminal, int row) {
477 int index;
478
479 index = (row + terminal->start) % terminal->height;
480
481 return &terminal->data_attr[index * terminal->width];
482}
483
484static struct attr
485terminal_get_attr(struct terminal *terminal, int row, int col) {
486 return terminal_get_attr_row(terminal, row)[col];
487}
488
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500489static void
Callum Lowcaybbeac602011-01-07 19:46:58 +0000490terminal_scroll_buffer(struct terminal *terminal, int d)
491{
492 int i;
493
494 d = d % (terminal->height + 1);
495 terminal->start = (terminal->start + d) % terminal->height;
496 if (terminal->start < 0) terminal->start = terminal->height + terminal->start;
497 if(d < 0) {
498 d = 0 - d;
499 for(i = 0; i < d; i++) {
500 memset(terminal_get_row(terminal, i), 0, terminal->data_pitch);
501 attr_init(terminal_get_attr_row(terminal, i),
502 terminal->curr_attr, terminal->width);
503 }
504 } else {
505 for(i = terminal->height - d; i < terminal->height; i++) {
506 memset(terminal_get_row(terminal, i), 0, terminal->data_pitch);
507 attr_init(terminal_get_attr_row(terminal, i),
508 terminal->curr_attr, terminal->width);
509 }
510 }
511}
512
513static void
514terminal_scroll_window(struct terminal *terminal, int d)
515{
516 int i;
517 int window_height;
518 int from_row, to_row;
Callum Lowcaybbeac602011-01-07 19:46:58 +0000519
520 // scrolling range is inclusive
521 window_height = terminal->margin_bottom - terminal->margin_top + 1;
522 d = d % (window_height + 1);
523 if(d < 0) {
524 d = 0 - d;
525 to_row = terminal->margin_bottom;
526 from_row = terminal->margin_bottom - d;
527
528 for (i = 0; i < (window_height - d); i++) {
529 memcpy(terminal_get_row(terminal, to_row - i),
530 terminal_get_row(terminal, from_row - i),
531 terminal->data_pitch);
532 memcpy(terminal_get_attr_row(terminal, to_row - i),
533 terminal_get_attr_row(terminal, from_row - i),
534 terminal->attr_pitch);
535 }
Callum Lowcaybbeac602011-01-07 19:46:58 +0000536 for (i = terminal->margin_top; i < (terminal->margin_top + d); i++) {
537 memset(terminal_get_row(terminal, i), 0, terminal->data_pitch);
Callum Lowcay86653ed2011-01-07 19:47:03 +0000538 attr_init(terminal_get_attr_row(terminal, i),
539 terminal->curr_attr, terminal->width);
Callum Lowcaybbeac602011-01-07 19:46:58 +0000540 }
541 } else {
542 to_row = terminal->margin_top;
543 from_row = terminal->margin_top + d;
544
545 for (i = 0; i < (window_height - d); i++) {
546 memcpy(terminal_get_row(terminal, to_row + i),
547 terminal_get_row(terminal, from_row + i),
548 terminal->data_pitch);
549 memcpy(terminal_get_attr_row(terminal, to_row + i),
550 terminal_get_attr_row(terminal, from_row + i),
551 terminal->attr_pitch);
552 }
Callum Lowcaybbeac602011-01-07 19:46:58 +0000553 for (i = terminal->margin_bottom - d + 1; i <= terminal->margin_bottom; i++) {
554 memset(terminal_get_row(terminal, i), 0, terminal->data_pitch);
Callum Lowcay86653ed2011-01-07 19:47:03 +0000555 attr_init(terminal_get_attr_row(terminal, i),
556 terminal->curr_attr, terminal->width);
Callum Lowcaybbeac602011-01-07 19:46:58 +0000557 }
558 }
559}
560
561static void
562terminal_scroll(struct terminal *terminal, int d)
563{
564 if(terminal->margin_top == 0 && terminal->margin_bottom == terminal->height - 1)
565 terminal_scroll_buffer(terminal, d);
566 else
567 terminal_scroll_window(terminal, d);
568}
569
570static void
Callum Lowcay69e96582011-01-07 19:47:00 +0000571terminal_shift_line(struct terminal *terminal, int d)
572{
573 union utf8_char *row;
574 struct attr *attr_row, attr;
575
576 row = terminal_get_row(terminal, terminal->row);
577 attr_row = terminal_get_attr_row(terminal, terminal->row);
578
579 if ((terminal->width + d) <= terminal->column)
580 d = terminal->column + 1 - terminal->width;
581 if ((terminal->column + d) >= terminal->width)
582 d = terminal->width - terminal->column - 1;
583
584 if (d < 0) {
585 d = 0 - d;
586 memmove(&row[terminal->column],
587 &row[terminal->column + d],
588 (terminal->width - terminal->column - d) * sizeof(union utf8_char));
589 attr = attr_row[terminal->width - 1];
590 memmove(&attr_row[terminal->column], &attr_row[terminal->column + d],
591 (terminal->width - terminal->column - d) * sizeof(struct attr));
592 memset(&row[terminal->width - d], 0, d * sizeof(union utf8_char));
593 attr_init(&attr_row[terminal->width - d], terminal->curr_attr, d);
594 } else {
595 memmove(&row[terminal->column + d], &row[terminal->column],
596 (terminal->width - terminal->column - d) * sizeof(union utf8_char));
597 memmove(&attr_row[terminal->column + d], &attr_row[terminal->column],
598 (terminal->width - terminal->column - d) * sizeof(struct attr));
599 memset(&row[terminal->column], 0, d * sizeof(union utf8_char));
600 attr_init(&attr_row[terminal->column], terminal->curr_attr, d);
601 }
602}
603
604static void
Kristian Høgsberg22106762008-12-08 13:50:07 -0500605terminal_resize(struct terminal *terminal, int width, int height)
606{
607 size_t size;
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000608 union utf8_char *data;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000609 struct attr *data_attr;
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000610 char *tab_ruler;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000611 int data_pitch, attr_pitch;
Kristian Høgsbergdbd54642008-12-08 22:22:25 -0500612 int i, l, total_rows, start;
Callum Lowcaya0ee21c2011-01-07 19:46:56 +0000613 struct rectangle rectangle;
614 struct winsize ws;
Kristian Høgsberg22106762008-12-08 13:50:07 -0500615
616 if (terminal->width == width && terminal->height == height)
617 return;
618
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000619 data_pitch = width * sizeof(union utf8_char);
620 size = data_pitch * height;
Kristian Høgsberg22106762008-12-08 13:50:07 -0500621 data = malloc(size);
Callum Lowcay30eeae52011-01-07 19:46:55 +0000622 attr_pitch = width * sizeof(struct attr);
623 data_attr = malloc(attr_pitch * height);
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000624 tab_ruler = malloc(width);
Kristian Høgsberg22106762008-12-08 13:50:07 -0500625 memset(data, 0, size);
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000626 memset(tab_ruler, 0, width);
Callum Lowcay30eeae52011-01-07 19:46:55 +0000627 attr_init(data_attr, terminal->curr_attr, width * height);
628 if (terminal->data && terminal->data_attr) {
Kristian Høgsberg22106762008-12-08 13:50:07 -0500629 if (width > terminal->width)
630 l = terminal->width;
631 else
632 l = width;
633
Kristian Høgsbergdbd54642008-12-08 22:22:25 -0500634 if (terminal->height > height) {
Kristian Høgsberg22106762008-12-08 13:50:07 -0500635 total_rows = height;
Kristian Høgsbergdbd54642008-12-08 22:22:25 -0500636 start = terminal->height - height;
Kristian Høgsberg22106762008-12-08 13:50:07 -0500637 } else {
Kristian Høgsbergdbd54642008-12-08 22:22:25 -0500638 total_rows = terminal->height;
639 start = 0;
Kristian Høgsberg22106762008-12-08 13:50:07 -0500640 }
641
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000642 for (i = 0; i < total_rows; i++) {
643 memcpy(&data[width * i],
644 terminal_get_row(terminal, i),
645 l * sizeof(union utf8_char));
Callum Lowcay30eeae52011-01-07 19:46:55 +0000646 memcpy(&data_attr[width * i],
647 terminal_get_attr_row(terminal, i),
648 l * sizeof(struct attr));
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000649 }
Kristian Høgsberg22106762008-12-08 13:50:07 -0500650
651 free(terminal->data);
Callum Lowcay30eeae52011-01-07 19:46:55 +0000652 free(terminal->data_attr);
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000653 free(terminal->tab_ruler);
Kristian Høgsberg22106762008-12-08 13:50:07 -0500654 }
655
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000656 terminal->data_pitch = data_pitch;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000657 terminal->attr_pitch = attr_pitch;
Callum Lowcay86653ed2011-01-07 19:47:03 +0000658 terminal->margin_bottom =
659 height - (terminal->height - terminal->margin_bottom);
Kristian Høgsberg22106762008-12-08 13:50:07 -0500660 terminal->width = width;
661 terminal->height = height;
662 terminal->data = data;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000663 terminal->data_attr = data_attr;
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000664 terminal->tab_ruler = tab_ruler;
665 terminal_init_tabs(terminal);
Kristian Høgsberg22106762008-12-08 13:50:07 -0500666
Kristian Høgsbergdbd54642008-12-08 22:22:25 -0500667 if (terminal->row >= terminal->height)
668 terminal->row = terminal->height - 1;
Kristian Høgsberg22106762008-12-08 13:50:07 -0500669 if (terminal->column >= terminal->width)
670 terminal->column = terminal->width - 1;
Kristian Høgsbergdbd54642008-12-08 22:22:25 -0500671 terminal->start = 0;
Callum Lowcaya0ee21c2011-01-07 19:46:56 +0000672
673 if (!terminal->fullscreen) {
674 rectangle.width = terminal->width *
675 terminal->extents.max_x_advance + 2 * terminal->margin;
676 rectangle.height = terminal->height *
677 terminal->extents.height + 2 * terminal->margin;
678 window_set_child_size(terminal->window, &rectangle);
679 }
680
681 /* Update the window size */
682 ws.ws_row = terminal->height;
683 ws.ws_col = terminal->width;
684 window_get_child_rectangle(terminal->window, &rectangle);
685 ws.ws_xpixel = rectangle.width;
686 ws.ws_ypixel = rectangle.height;
687 ioctl(terminal->master, TIOCSWINSZ, &ws);
Kristian Høgsberg22106762008-12-08 13:50:07 -0500688}
689
Callum Lowcay30eeae52011-01-07 19:46:55 +0000690struct color_scheme DEFAULT_COLORS = {
691 {
692 {0, 0, 0, 1}, /* black */
693 {0.66, 0, 0, 1}, /* red */
694 {0 , 0.66, 0, 1}, /* green */
695 {0.66, 0.33, 0, 1}, /* orange (nicer than muddy yellow) */
696 {0 , 0 , 0.66, 1}, /* blue */
697 {0.66, 0 , 0.66, 1}, /* magenta */
698 {0, 0.66, 0.66, 1}, /* cyan */
699 {0.66, 0.66, 0.66, 1}, /* light grey */
700 {0.22, 0.33, 0.33, 1}, /* dark grey */
701 {1, 0.33, 0.33, 1}, /* high red */
702 {0.33, 1, 0.33, 1}, /* high green */
703 {1, 1, 0.33, 1}, /* high yellow */
704 {0.33, 0.33, 1, 1}, /* high blue */
705 {1, 0.33, 1, 1}, /* high magenta */
706 {0.33, 1, 1, 1}, /* high cyan */
707 {1, 1, 1, 1} /* white */
708 },
709 {0, 0, 0, 1}, /* black border */
710 {7, 0, 0, } /* bg:black (0), fg:light gray (7) */
711};
Kristian Høgsberg12308a42009-09-28 13:08:50 -0400712
Kristian Høgsberg22106762008-12-08 13:50:07 -0500713static void
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500714terminal_draw_contents(struct terminal *terminal)
715{
716 struct rectangle rectangle;
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500717 cairo_t *cr;
718 cairo_font_extents_t extents;
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000719 int top_margin, side_margin;
720 int row, col;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000721 struct attr attr;
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000722 union utf8_char *p_row;
723 struct utf8_chars {
724 union utf8_char c;
725 char null;
726 } toShow;
Callum Lowcay81179db2011-01-10 12:14:01 +1300727 int foreground, background, bold, underline, concealed, tmp;
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000728 int text_x, text_y;
Kristian Høgsberg2aac3022009-12-21 10:04:53 -0500729 cairo_surface_t *surface;
Kristian Høgsberg3c248cc2009-02-22 23:01:35 -0500730 double d;
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500731
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000732 toShow.null = 0;
733
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500734 window_get_child_rectangle(terminal->window, &rectangle);
735
Kristian Høgsbergdcb71b62010-06-15 17:16:35 -0400736 surface = display_create_surface(terminal->display, &rectangle);
Kristian Høgsberg2aac3022009-12-21 10:04:53 -0500737 cr = cairo_create(surface);
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500738 cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
Kristian Høgsberg12308a42009-09-28 13:08:50 -0400739 cairo_set_source_rgba(cr,
Callum Lowcay30eeae52011-01-07 19:46:55 +0000740 terminal->color_scheme->border.r,
741 terminal->color_scheme->border.g,
742 terminal->color_scheme->border.b,
743 terminal->color_scheme->border.a);
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500744 cairo_paint(cr);
745 cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500746
Callum Lowcay30eeae52011-01-07 19:46:55 +0000747 cairo_set_font_face(cr, terminal->font_normal);
Kristian Høgsberg269d6e32008-12-07 23:17:31 -0500748 cairo_set_font_size(cr, 14);
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500749
750 cairo_font_extents(cr, &extents);
Kristian Høgsberg0395f302008-12-22 12:14:50 -0500751 side_margin = (rectangle.width - terminal->width * extents.max_x_advance) / 2;
752 top_margin = (rectangle.height - terminal->height * extents.height) / 2;
753
Callum Lowcay30eeae52011-01-07 19:46:55 +0000754 cairo_set_line_width(cr, 1.0);
755
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000756 for (row = 0; row < terminal->height; row++) {
757 p_row = terminal_get_row(terminal, row);
758 for (col = 0; col < terminal->width; col++) {
Callum Lowcay30eeae52011-01-07 19:46:55 +0000759 /* get the attributes for this character cell */
760 attr = terminal_get_attr(terminal, row, col);
761 if ((attr.a & ATTRMASK_INVERSE) ||
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000762 ((terminal->mode & MODE_SHOW_CURSOR) &&
763 terminal->focused && terminal->row == row &&
764 terminal->column == col))
Callum Lowcay30eeae52011-01-07 19:46:55 +0000765 {
766 foreground = attr.bg;
767 background = attr.fg;
Callum Lowcay86653ed2011-01-07 19:47:03 +0000768 if (attr.a & ATTRMASK_BOLD) {
769 if (foreground <= 16) foreground |= 0x08;
770 if (background <= 16) background &= 0x07;
771 }
Callum Lowcay30eeae52011-01-07 19:46:55 +0000772 } else {
773 foreground = attr.fg;
774 background = attr.bg;
775 }
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000776 if (terminal->mode & MODE_INVERSE) {
777 tmp = foreground;
778 foreground = background;
779 background = tmp;
Callum Lowcay86653ed2011-01-07 19:47:03 +0000780 if (attr.a & ATTRMASK_BOLD) {
781 if (foreground <= 16) foreground |= 0x08;
782 if (background <= 16) background &= 0x07;
783 }
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000784 }
Callum Lowcay30eeae52011-01-07 19:46:55 +0000785 bold = attr.a & (ATTRMASK_BOLD | ATTRMASK_BLINK);
786 underline = attr.a & ATTRMASK_UNDERLINE;
Callum Lowcay81179db2011-01-10 12:14:01 +1300787 concealed = attr.a & ATTRMASK_CONCEALED;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000788
789 /* paint the background */
790 cairo_set_source_rgba(cr,
791 terminal->color_table[background].r,
792 terminal->color_table[background].g,
793 terminal->color_table[background].b,
794 terminal->color_table[background].a);
795 cairo_move_to(cr, side_margin + (col * extents.max_x_advance),
796 top_margin + (row * extents.height));
797 cairo_rel_line_to(cr, extents.max_x_advance, 0);
798 cairo_rel_line_to(cr, 0, extents.height);
799 cairo_rel_line_to(cr, -extents.max_x_advance, 0);
800 cairo_close_path(cr);
801 cairo_fill(cr);
802
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000803 /* paint the foreground */
Callum Lowcay81179db2011-01-10 12:14:01 +1300804 if (concealed) continue;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000805 if (bold)
806 cairo_set_font_face(cr, terminal->font_bold);
807 else
808 cairo_set_font_face(cr, terminal->font_normal);
809 cairo_set_source_rgba(cr,
810 terminal->color_table[foreground].r,
811 terminal->color_table[foreground].g,
812 terminal->color_table[foreground].b,
813 terminal->color_table[foreground].a);
814
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000815 text_x = side_margin + col * extents.max_x_advance;
816 text_y = top_margin + extents.ascent + row * extents.height;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000817 if (underline) {
Callum Lowcay86653ed2011-01-07 19:47:03 +0000818 cairo_move_to(cr, text_x, (double)text_y + 1.5);
819 cairo_line_to(cr, text_x + extents.max_x_advance, (double) text_y + 1.5);
Callum Lowcay30eeae52011-01-07 19:46:55 +0000820 cairo_stroke(cr);
821 }
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000822 cairo_move_to(cr, text_x, text_y);
823
824 toShow.c = p_row[col];
825 cairo_show_text(cr, (char *) toShow.c.byte);
826 }
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500827 }
Kristian Høgsbergb0b82e22009-02-21 15:42:25 -0500828
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000829 if ((terminal->mode & MODE_SHOW_CURSOR) && !terminal->focused) {
Callum Lowcay30eeae52011-01-07 19:46:55 +0000830 d = 0.5;
Kristian Høgsberg3c248cc2009-02-22 23:01:35 -0500831
Callum Lowcay30eeae52011-01-07 19:46:55 +0000832 cairo_set_line_width(cr, 1);
833 cairo_move_to(cr, side_margin + terminal->column * extents.max_x_advance + d,
834 top_margin + terminal->row * extents.height + d);
835 cairo_rel_line_to(cr, extents.max_x_advance - 2 * d, 0);
836 cairo_rel_line_to(cr, 0, extents.height - 2 * d);
837 cairo_rel_line_to(cr, -extents.max_x_advance + 2 * d, 0);
838 cairo_close_path(cr);
Kristian Høgsberg3c248cc2009-02-22 23:01:35 -0500839
Kristian Høgsberg3c248cc2009-02-22 23:01:35 -0500840 cairo_stroke(cr);
Callum Lowcay30eeae52011-01-07 19:46:55 +0000841 }
Kristian Høgsbergb0b82e22009-02-21 15:42:25 -0500842
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500843 cairo_destroy(cr);
844
Kristian Høgsberg0ac16f02009-01-15 11:37:43 -0500845 window_copy_surface(terminal->window,
846 &rectangle,
Kristian Høgsberg2aac3022009-12-21 10:04:53 -0500847 surface);
848
849 cairo_surface_destroy(surface);
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500850}
851
852static void
853terminal_draw(struct terminal *terminal)
854{
Kristian Høgsberg22106762008-12-08 13:50:07 -0500855 struct rectangle rectangle;
Kristian Høgsberg0395f302008-12-22 12:14:50 -0500856 int32_t width, height;
Kristian Høgsberg22106762008-12-08 13:50:07 -0500857
858 window_get_child_rectangle(terminal->window, &rectangle);
859
Kristian Høgsberg09531622010-06-14 23:22:15 -0400860 width = (rectangle.width - 2 * terminal->margin) /
861 (int32_t) terminal->extents.max_x_advance;
862 height = (rectangle.height - 2 * terminal->margin) /
863 (int32_t) terminal->extents.height;
Tiago Vignatti5fd89d22011-01-10 19:30:04 +0200864
865 if (width < 0 || height < 0)
866 return;
867
Kristian Høgsberg22106762008-12-08 13:50:07 -0500868 terminal_resize(terminal, width, height);
869
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500870 window_draw(terminal->window);
871 terminal_draw_contents(terminal);
Kristian Høgsberg9d69f8e2010-09-03 14:46:38 -0400872 window_flush(terminal->window);
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500873}
874
Kristian Høgsberg80d746f2010-06-14 23:52:50 -0400875static void
876redraw_handler(struct window *window, void *data)
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -0500877{
878 struct terminal *terminal = data;
879
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -0500880 terminal_draw(terminal);
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -0500881}
882
Kristian Høgsberg17809b12008-12-08 12:20:40 -0500883static void
884terminal_data(struct terminal *terminal, const char *data, size_t length);
Kristian Høgsbergf04e8382008-12-08 00:07:49 -0500885
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -0500886static void
Callum Lowcayb8609ad2011-01-07 19:46:57 +0000887handle_char(struct terminal *terminal, union utf8_char utf8);
888
889static void
Callum Lowcay30eeae52011-01-07 19:46:55 +0000890handle_sgr(struct terminal *terminal, int code);
891
892static void
Callum Lowcaybbeac602011-01-07 19:46:58 +0000893handle_term_parameter(struct terminal *terminal, int code, int sr)
894{
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000895 int i;
896
Callum Lowcay67a201d2011-01-12 19:23:41 +1300897 if (terminal->escape_flags & ESC_FLAG_WHAT) {
Callum Lowcaybbeac602011-01-07 19:46:58 +0000898 switch(code) {
Callum Lowcay7e08e902011-01-07 19:47:02 +0000899 case 1: /* DECCKM */
900 if (sr) terminal->key_mode = KM_APPLICATION;
901 else terminal->key_mode = KM_NORMAL;
902 break;
Callum Lowcay256e72f2011-01-07 19:47:01 +0000903 case 2: /* DECANM */
904 /* No VT52 support yet */
905 terminal->g0 = CS_US;
906 terminal->g1 = CS_US;
907 terminal->cs = terminal->g0;
908 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000909 case 3: /* DECCOLM */
910 if (sr)
911 terminal_resize(terminal, 132, 24);
912 else
913 terminal_resize(terminal, 80, 24);
914
915 /* set columns, but also home cursor and clear screen */
916 terminal->row = 0; terminal->column = 0;
917 for (i = 0; i < terminal->height; i++) {
918 memset(terminal_get_row(terminal, i),
919 0, terminal->data_pitch);
920 attr_init(terminal_get_attr_row(terminal, i),
921 terminal->curr_attr, terminal->width);
922 }
923 break;
924 case 5: /* DECSCNM */
925 if (sr) terminal->mode |= MODE_INVERSE;
926 else terminal->mode &= ~MODE_INVERSE;
927 break;
Callum Lowcaybbeac602011-01-07 19:46:58 +0000928 case 6: /* DECOM */
929 terminal->origin_mode = sr;
930 if (terminal->origin_mode)
931 terminal->row = terminal->margin_top;
932 else
933 terminal->row = 0;
934 terminal->column = 0;
935 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000936 case 7: /* DECAWM */
937 if (sr) terminal->mode |= MODE_AUTOWRAP;
938 else terminal->mode &= ~MODE_AUTOWRAP;
939 break;
940 case 8: /* DECARM */
941 if (sr) terminal->mode |= MODE_AUTOREPEAT;
942 else terminal->mode &= ~MODE_AUTOREPEAT;
943 break;
944 case 25:
945 if (sr) terminal->mode |= MODE_SHOW_CURSOR;
946 else terminal->mode &= ~MODE_SHOW_CURSOR;
947 break;
Callum Lowcay7e08e902011-01-07 19:47:02 +0000948 case 1037: /* deleteSendsDel */
949 if (sr) terminal->mode |= MODE_DELETE_SENDS_DEL;
950 else terminal->mode &= ~MODE_DELETE_SENDS_DEL;
951 break;
952 case 1039: /* altSendsEscape */
953 if (sr) terminal->mode |= MODE_ALT_SENDS_ESC;
954 else terminal->mode &= ~MODE_ALT_SENDS_ESC;
955 break;
Callum Lowcaybbeac602011-01-07 19:46:58 +0000956 default:
957 fprintf(stderr, "Unknown parameter: ?%d\n", code);
958 break;
959 }
960 } else {
961 switch(code) {
Callum Lowcay69e96582011-01-07 19:47:00 +0000962 case 4: /* IRM */
963 if (sr) terminal->mode |= MODE_IRM;
964 else terminal->mode &= ~MODE_IRM;
965 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000966 case 20: /* LNM */
967 if (sr) terminal->mode |= MODE_LF_NEWLINE;
968 else terminal->mode &= ~MODE_LF_NEWLINE;
969 break;
Callum Lowcaybbeac602011-01-07 19:46:58 +0000970 default:
971 fprintf(stderr, "Unknown parameter: %d\n", code);
972 break;
973 }
974 }
975}
976
977static void
Callum Lowcay67a201d2011-01-12 19:23:41 +1300978handle_dcs(struct terminal *terminal)
979{
980}
981
982static void
983handle_osc(struct terminal *terminal)
984{
985}
986
987static void
Kristian Høgsberg17809b12008-12-08 12:20:40 -0500988handle_escape(struct terminal *terminal)
989{
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000990 union utf8_char *row;
Callum Lowcay30eeae52011-01-07 19:46:55 +0000991 struct attr *attr_row;
Callum Lowcay15bdc5d2011-01-07 19:46:54 +0000992 char *p;
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000993 int i, count, x, y, top, bottom;
Kristian Høgsbergdbd54642008-12-08 22:22:25 -0500994 int args[10], set[10] = { 0, };
Callum Lowcay8e57dd52011-01-07 19:46:59 +0000995 char response[MAX_RESPONSE] = {0, };
Kristian Høgsberg17809b12008-12-08 12:20:40 -0500996
997 terminal->escape[terminal->escape_length++] = '\0';
Kristian Høgsbergdbd54642008-12-08 22:22:25 -0500998 i = 0;
999 p = &terminal->escape[2];
1000 while ((isdigit(*p) || *p == ';') && i < 10) {
1001 if (*p == ';') {
Callum Lowcay30eeae52011-01-07 19:46:55 +00001002 if (!set[i]) {
1003 args[i] = 0;
1004 set[i] = 1;
1005 }
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001006 p++;
1007 i++;
1008 } else {
1009 args[i] = strtol(p, &p, 10);
1010 set[i] = 1;
Kristian Høgsberg17809b12008-12-08 12:20:40 -05001011 }
Kristian Høgsberg17809b12008-12-08 12:20:40 -05001012 }
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001013
1014 switch (*p) {
Callum Lowcay69e96582011-01-07 19:47:00 +00001015 case '@': /* ICH */
1016 count = set[0] ? args[0] : 1;
1017 if (count == 0) count = 1;
1018 terminal_shift_line(terminal, count);
1019 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001020 case 'A': /* CUU */
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001021 count = set[0] ? args[0] : 1;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001022 if (count == 0) count = 1;
1023 if (terminal->row - count >= terminal->margin_top)
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001024 terminal->row -= count;
1025 else
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001026 terminal->row = terminal->margin_top;
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001027 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001028 case 'B': /* CUD */
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001029 count = set[0] ? args[0] : 1;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001030 if (count == 0) count = 1;
1031 if (terminal->row + count <= terminal->margin_bottom)
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001032 terminal->row += count;
1033 else
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001034 terminal->row = terminal->margin_bottom;
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001035 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001036 case 'C': /* CUF */
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001037 count = set[0] ? args[0] : 1;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001038 if (count == 0) count = 1;
1039 if ((terminal->column + count) < terminal->width)
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001040 terminal->column += count;
1041 else
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001042 terminal->column = terminal->width - 1;
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001043 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001044 case 'D': /* CUB */
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001045 count = set[0] ? args[0] : 1;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001046 if (count == 0) count = 1;
1047 if ((terminal->column - count) >= 0)
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001048 terminal->column -= count;
1049 else
1050 terminal->column = 0;
1051 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001052 case 'E': /* CNL */
1053 count = set[0] ? args[0] : 1;
1054 if (terminal->row + count <= terminal->margin_bottom)
1055 terminal->row += count;
1056 else
1057 terminal->row = terminal->margin_bottom;
1058 terminal->column = 0;
1059 break;
1060 case 'F': /* CPL */
1061 count = set[0] ? args[0] : 1;
1062 if (terminal->row - count >= terminal->margin_top)
1063 terminal->row -= count;
1064 else
1065 terminal->row = terminal->margin_top;
1066 terminal->column = 0;
1067 break;
1068 case 'G': /* CHA */
1069 y = set[0] ? args[0] : 1;
1070 y = y <= 0 ? 1 : y > terminal->width ? terminal->width : y;
1071
1072 terminal->column = y - 1;
1073 break;
1074 case 'f': /* HVP */
1075 case 'H': /* CUP */
1076 x = (set[1] ? args[1] : 1) - 1;
1077 x = x < 0 ? 0 :
1078 (x >= terminal->width ? terminal->width - 1 : x);
1079
1080 y = (set[0] ? args[0] : 1) - 1;
1081 if (terminal->origin_mode) {
1082 y += terminal->margin_top;
1083 y = y < terminal->margin_top ? terminal->margin_top :
1084 (y > terminal->margin_bottom ? terminal->margin_bottom : y);
1085 } else {
1086 y = y < 0 ? 0 :
1087 (y >= terminal->height ? terminal->height - 1 : y);
1088 }
1089
1090 terminal->row = y;
1091 terminal->column = x;
1092 break;
1093 case 'I': /* CHT */
1094 count = set[0] ? args[0] : 1;
1095 if (count == 0) count = 1;
1096 while (count > 0 && terminal->column < terminal->width) {
1097 if (terminal->tab_ruler[terminal->column]) count--;
1098 terminal->column++;
1099 }
1100 terminal->column--;
1101 break;
1102 case 'J': /* ED */
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001103 row = terminal_get_row(terminal, terminal->row);
Callum Lowcay30eeae52011-01-07 19:46:55 +00001104 attr_row = terminal_get_attr_row(terminal, terminal->row);
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001105 if (!set[0] || args[0] == 0 || args[0] > 2) {
1106 memset(&row[terminal->column],
1107 0, (terminal->width - terminal->column) * sizeof(union utf8_char));
1108 attr_init(&attr_row[terminal->column],
1109 terminal->curr_attr, terminal->width - terminal->column);
1110 for (i = terminal->row + 1; i < terminal->height; i++) {
1111 memset(terminal_get_row(terminal, i),
1112 0, terminal->data_pitch);
1113 attr_init(terminal_get_attr_row(terminal, i),
1114 terminal->curr_attr, terminal->width);
1115 }
1116 } else if (args[0] == 1) {
1117 memset(row, 0, (terminal->column+1) * sizeof(union utf8_char));
1118 attr_init(attr_row, terminal->curr_attr, terminal->column+1);
1119 for (i = 0; i < terminal->row; i++) {
1120 memset(terminal_get_row(terminal, i),
1121 0, terminal->data_pitch);
1122 attr_init(terminal_get_attr_row(terminal, i),
1123 terminal->curr_attr, terminal->width);
1124 }
1125 } else if (args[0] == 2) {
1126 for (i = 0; i < terminal->height; i++) {
1127 memset(terminal_get_row(terminal, i),
1128 0, terminal->data_pitch);
1129 attr_init(terminal_get_attr_row(terminal, i),
1130 terminal->curr_attr, terminal->width);
1131 }
Callum Lowcay30eeae52011-01-07 19:46:55 +00001132 }
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001133 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001134 case 'K': /* EL */
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001135 row = terminal_get_row(terminal, terminal->row);
Callum Lowcay30eeae52011-01-07 19:46:55 +00001136 attr_row = terminal_get_attr_row(terminal, terminal->row);
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001137 if (!set[0] || args[0] == 0 || args[0] > 2) {
1138 memset(&row[terminal->column], 0,
1139 (terminal->width - terminal->column) * sizeof(union utf8_char));
1140 attr_init(&attr_row[terminal->column], terminal->curr_attr,
1141 terminal->width - terminal->column);
1142 } else if (args[0] == 1) {
1143 memset(row, 0, (terminal->column+1) * sizeof(union utf8_char));
1144 attr_init(attr_row, terminal->curr_attr, terminal->column+1);
1145 } else if (args[0] == 2) {
1146 memset(row, 0, terminal->data_pitch);
1147 attr_init(attr_row, terminal->curr_attr, terminal->width);
1148 }
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001149 break;
Callum Lowcay69e96582011-01-07 19:47:00 +00001150 case 'L': /* IL */
1151 count = set[0] ? args[0] : 1;
1152 if (count == 0) count = 1;
1153 if (terminal->row >= terminal->margin_top &&
1154 terminal->row < terminal->margin_bottom)
1155 {
1156 top = terminal->margin_top;
1157 terminal->margin_top = terminal->row;
1158 terminal_scroll(terminal, 0 - count);
1159 terminal->margin_top = top;
1160 } else if (terminal->row == terminal->margin_bottom) {
1161 memset(terminal_get_row(terminal, terminal->row),
1162 0, terminal->data_pitch);
1163 attr_init(terminal_get_attr_row(terminal, terminal->row),
1164 terminal->curr_attr, terminal->width);
1165 }
1166 break;
1167 case 'M': /* DL */
1168 count = set[0] ? args[0] : 1;
1169 if (count == 0) count = 1;
1170 if (terminal->row >= terminal->margin_top &&
1171 terminal->row < terminal->margin_bottom)
1172 {
1173 top = terminal->margin_top;
1174 terminal->margin_top = terminal->row;
1175 terminal_scroll(terminal, count);
1176 terminal->margin_top = top;
1177 } else if (terminal->row == terminal->margin_bottom) {
1178 memset(terminal_get_row(terminal, terminal->row),
1179 0, terminal->data_pitch);
1180 }
1181 break;
1182 case 'P': /* DCH */
1183 count = set[0] ? args[0] : 1;
1184 if (count == 0) count = 1;
1185 terminal_shift_line(terminal, 0 - count);
1186 break;
Callum Lowcaybbeac602011-01-07 19:46:58 +00001187 case 'S': /* SU */
1188 terminal_scroll(terminal, set[0] ? args[0] : 1);
1189 break;
1190 case 'T': /* SD */
1191 terminal_scroll(terminal, 0 - (set[0] ? args[0] : 1));
1192 break;
Callum Lowcay69e96582011-01-07 19:47:00 +00001193 case 'X': /* ECH */
1194 count = set[0] ? args[0] : 1;
1195 if (count == 0) count = 1;
1196 if ((terminal->column + count) > terminal->width)
1197 count = terminal->width - terminal->column;
1198 row = terminal_get_row(terminal, terminal->row);
1199 attr_row = terminal_get_attr_row(terminal, terminal->row);
1200 memset(&row[terminal->column], 0, count * sizeof(union utf8_char));
1201 attr_init(&attr_row[terminal->column], terminal->curr_attr, count);
1202 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001203 case 'Z': /* CBT */
1204 count = set[0] ? args[0] : 1;
1205 if (count == 0) count = 1;
1206 while (count > 0 && terminal->column >= 0) {
1207 if (terminal->tab_ruler[terminal->column]) count--;
1208 terminal->column--;
1209 }
1210 terminal->column++;
1211 break;
1212 case '`': /* HPA */
1213 y = set[0] ? args[0] : 1;
1214 y = y <= 0 ? 1 : y > terminal->width ? terminal->width : y;
1215
1216 terminal->column = y - 1;
1217 break;
1218 case 'b': /* REP */
1219 count = set[0] ? args[0] : 1;
1220 if (count == 0) count = 1;
1221 if (terminal->last_char.byte[0])
1222 for (i = 0; i < count; i++)
1223 handle_char(terminal, terminal->last_char);
1224 terminal->last_char.byte[0] = 0;
1225 break;
1226 case 'c': /* Primary DA */
Callum Lowcay69e96582011-01-07 19:47:00 +00001227 write(terminal->master, "\e[?6c", 5);
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001228 break;
1229 case 'd': /* VPA */
1230 x = set[0] ? args[0] : 1;
1231 x = x <= 0 ? 1 : x > terminal->height ? terminal->height : x;
1232
1233 terminal->row = x - 1;
1234 break;
1235 case 'g': /* TBC */
1236 if (!set[0] || args[0] == 0) {
1237 terminal->tab_ruler[terminal->column] = 0;
1238 } else if (args[0] == 3) {
1239 memset(terminal->tab_ruler, 0, terminal->width);
1240 }
1241 break;
Callum Lowcaybbeac602011-01-07 19:46:58 +00001242 case 'h': /* SM */
1243 for(i = 0; i < 10 && set[i]; i++) {
1244 handle_term_parameter(terminal, args[i], 1);
1245 }
1246 break;
1247 case 'l': /* RM */
1248 for(i = 0; i < 10 && set[i]; i++) {
1249 handle_term_parameter(terminal, args[i], 0);
1250 }
1251 break;
Callum Lowcay30eeae52011-01-07 19:46:55 +00001252 case 'm': /* SGR */
Callum Lowcay30eeae52011-01-07 19:46:55 +00001253 for(i = 0; i < 10; i++) {
Callum Lowcay81179db2011-01-10 12:14:01 +13001254 if (i <= 7 && set[i] && set[i + 1] &&
1255 set[i + 2] && args[i + 1] == 5)
1256 {
1257 if (args[i] == 38) {
1258 handle_sgr(terminal, args[i + 2] + 256);
1259 break;
1260 } else if (args[i] == 48) {
1261 handle_sgr(terminal, args[i + 2] + 512);
1262 break;
1263 }
1264 }
Callum Lowcay30eeae52011-01-07 19:46:55 +00001265 if(set[i]) {
1266 handle_sgr(terminal, args[i]);
1267 } else if(i == 0) {
1268 handle_sgr(terminal, 0);
1269 break;
1270 } else {
1271 break;
1272 }
1273 }
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001274 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001275 case 'n': /* DSR */
1276 i = set[0] ? args[0] : 0;
1277 if (i == 0 || i == 5) {
1278 write(terminal->master, "\e[0n", 4);
1279 } else if (i == 6) {
1280 snprintf(response, MAX_RESPONSE, "\e[%d;%dR",
1281 terminal->origin_mode ?
1282 terminal->row+terminal->margin_top : terminal->row+1,
1283 terminal->column+1);
1284 write(terminal->master, response, strlen(response));
1285 }
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001286 break;
Callum Lowcaybbeac602011-01-07 19:46:58 +00001287 case 'r':
1288 if(!set[0]) {
1289 terminal->margin_top = 0;
1290 terminal->margin_bottom = terminal->height-1;
1291 terminal->row = 0;
1292 terminal->column = 0;
1293 } else {
1294 top = (set[0] ? args[0] : 1) - 1;
1295 top = top < 0 ? 0 :
1296 (top >= terminal->height ? terminal->height - 1 : top);
1297 bottom = (set[1] ? args[1] : 1) - 1;
1298 bottom = bottom < 0 ? 0 :
1299 (bottom >= terminal->height ? terminal->height - 1 : bottom);
1300 if(bottom > top) {
1301 terminal->margin_top = top;
1302 terminal->margin_bottom = bottom;
1303 } else {
1304 terminal->margin_top = 0;
1305 terminal->margin_bottom = terminal->height-1;
1306 }
1307 if(terminal->origin_mode)
1308 terminal->row = terminal->margin_top;
1309 else
1310 terminal->row = 0;
1311 terminal->column = 0;
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001312 }
1313 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001314 case 's':
1315 terminal->saved_row = terminal->row;
1316 terminal->saved_column = terminal->column;
1317 break;
1318 case 'u':
1319 terminal->row = terminal->saved_row;
1320 terminal->column = terminal->saved_column;
1321 break;
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001322 default:
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001323 fprintf(stderr, "Unknown CSI escape: %c\n", *p);
Kristian Høgsbergdbd54642008-12-08 22:22:25 -05001324 break;
1325 }
Kristian Høgsberg17809b12008-12-08 12:20:40 -05001326}
1327
1328static void
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001329handle_non_csi_escape(struct terminal *terminal, char code)
1330{
Callum Lowcaybbeac602011-01-07 19:46:58 +00001331 switch(code) {
1332 case 'M': /* RI */
1333 terminal->row -= 1;
1334 if(terminal->row < terminal->margin_top) {
1335 terminal->row = terminal->margin_top;
1336 terminal_scroll(terminal, -1);
1337 }
1338 break;
1339 case 'E': /* NEL */
1340 terminal->column = 0;
1341 // fallthrough
1342 case 'D': /* IND */
1343 terminal->row += 1;
1344 if(terminal->row > terminal->margin_bottom) {
1345 terminal->row = terminal->margin_bottom;
1346 terminal_scroll(terminal, +1);
1347 }
1348 break;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001349 case 'c': /* RIS */
1350 terminal_init(terminal);
1351 break;
1352 case 'H': /* HTS */
1353 terminal->tab_ruler[terminal->column] = 1;
1354 break;
1355 case '7': /* DECSC */
1356 terminal->saved_row = terminal->row;
1357 terminal->saved_column = terminal->column;
1358 terminal->saved_attr = terminal->curr_attr;
1359 terminal->saved_origin_mode = terminal->origin_mode;
Callum Lowcay256e72f2011-01-07 19:47:01 +00001360 terminal->saved_cs = terminal->cs;
1361 terminal->saved_g0 = terminal->g0;
1362 terminal->saved_g1 = terminal->g1;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001363 break;
1364 case '8': /* DECRC */
1365 terminal->row = terminal->saved_row;
1366 terminal->column = terminal->saved_column;
1367 terminal->curr_attr = terminal->saved_attr;
1368 terminal->origin_mode = terminal->saved_origin_mode;
Callum Lowcay256e72f2011-01-07 19:47:01 +00001369 terminal->cs = terminal->saved_cs;
1370 terminal->g0 = terminal->saved_g0;
1371 terminal->g1 = terminal->saved_g1;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001372 break;
Callum Lowcay7e08e902011-01-07 19:47:02 +00001373 case '=': /* DECPAM */
1374 terminal->key_mode = KM_APPLICATION;
1375 break;
1376 case '>': /* DECPNM */
1377 terminal->key_mode = KM_NORMAL;
1378 break;
Callum Lowcaybbeac602011-01-07 19:46:58 +00001379 default:
1380 fprintf(stderr, "Unknown escape code: %c\n", code);
1381 break;
1382 }
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001383}
1384
1385static void
1386handle_special_escape(struct terminal *terminal, char special, char code)
1387{
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001388 int i, numChars;
1389
1390 if (special == '#') {
1391 switch(code) {
1392 case '8':
1393 /* fill with 'E', no cheap way to do this */
1394 memset(terminal->data, 0, terminal->data_pitch * terminal->height);
1395 numChars = terminal->width * terminal->height;
1396 for(i = 0; i < numChars; i++) {
1397 terminal->data[i].byte[0] = 'E';
1398 }
1399 break;
1400 default:
1401 fprintf(stderr, "Unknown HASH escape #%c\n", code);
1402 break;
1403 }
Callum Lowcay256e72f2011-01-07 19:47:01 +00001404 } else if (special == '(' || special == ')') {
1405 switch(code) {
1406 case '0':
1407 if (special == '(')
1408 terminal->g0 = CS_SPECIAL;
1409 else
1410 terminal->g1 = CS_SPECIAL;
1411 break;
1412 case 'A':
1413 if (special == '(')
1414 terminal->g0 = CS_UK;
1415 else
1416 terminal->g1 = CS_UK;
1417 break;
1418 case 'B':
1419 if (special == '(')
1420 terminal->g0 = CS_US;
1421 else
1422 terminal->g1 = CS_US;
1423 break;
1424 default:
1425 fprintf(stderr, "Unknown character set %c\n", code);
1426 break;
1427 }
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001428 } else {
1429 fprintf(stderr, "Unknown special escape %c%c\n", special, code);
1430 }
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001431}
1432
1433static void
Callum Lowcay30eeae52011-01-07 19:46:55 +00001434handle_sgr(struct terminal *terminal, int code)
1435{
1436 switch(code) {
1437 case 0:
1438 terminal->curr_attr = terminal->color_scheme->default_attr;
1439 break;
1440 case 1:
1441 terminal->curr_attr.a |= ATTRMASK_BOLD;
1442 if (terminal->curr_attr.fg < 8)
1443 terminal->curr_attr.fg += 8;
1444 break;
1445 case 4:
1446 terminal->curr_attr.a |= ATTRMASK_UNDERLINE;
1447 break;
1448 case 5:
1449 terminal->curr_attr.a |= ATTRMASK_BLINK;
1450 break;
Callum Lowcay81179db2011-01-10 12:14:01 +13001451 case 8:
1452 terminal->curr_attr.a |= ATTRMASK_CONCEALED;
1453 break;
Callum Lowcay30eeae52011-01-07 19:46:55 +00001454 case 2:
1455 case 21:
1456 case 22:
1457 terminal->curr_attr.a &= ~ATTRMASK_BOLD;
1458 if (terminal->curr_attr.fg < 16 && terminal->curr_attr.fg >= 8)
1459 terminal->curr_attr.fg -= 8;
1460 break;
1461 case 24:
1462 terminal->curr_attr.a &= ~ATTRMASK_UNDERLINE;
1463 break;
1464 case 25:
1465 terminal->curr_attr.a &= ~ATTRMASK_BLINK;
1466 break;
1467 case 7:
1468 case 26:
1469 terminal->curr_attr.a |= ATTRMASK_INVERSE;
1470 break;
1471 case 27:
1472 terminal->curr_attr.a &= ~ATTRMASK_INVERSE;
1473 break;
Callum Lowcay81179db2011-01-10 12:14:01 +13001474 case 28:
1475 terminal->curr_attr.a &= ~ATTRMASK_CONCEALED;
1476 break;
Callum Lowcay30eeae52011-01-07 19:46:55 +00001477 case 39:
1478 terminal->curr_attr.fg = terminal->color_scheme->default_attr.fg;
1479 break;
1480 case 49:
1481 terminal->curr_attr.bg = terminal->color_scheme->default_attr.bg;
1482 break;
1483 default:
1484 if(code >= 30 && code <= 37) {
1485 terminal->curr_attr.fg = code - 30;
1486 if (terminal->curr_attr.a & ATTRMASK_BOLD)
1487 terminal->curr_attr.fg += 8;
1488 } else if(code >= 40 && code <= 47) {
1489 terminal->curr_attr.bg = code - 40;
Callum Lowcay81179db2011-01-10 12:14:01 +13001490 } else if (code >= 90 && code <= 97) {
1491 terminal->curr_attr.fg = code - 90 + 8;
1492 } else if (code >= 100 && code <= 107) {
1493 terminal->curr_attr.bg = code - 100 + 8;
Callum Lowcay30eeae52011-01-07 19:46:55 +00001494 } else if(code >= 256 && code < 512) {
1495 terminal->curr_attr.fg = code - 256;
1496 } else if(code >= 512 && code < 768) {
1497 terminal->curr_attr.bg = code - 512;
1498 } else {
1499 fprintf(stderr, "Unknown SGR code: %d\n", code);
1500 }
1501 break;
1502 }
1503}
1504
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001505/* Returns 1 if c was special, otherwise 0 */
1506static int
1507handle_special_char(struct terminal *terminal, char c)
1508{
1509 union utf8_char *row;
1510 struct attr *attr_row;
1511
1512 row = terminal_get_row(terminal, terminal->row);
1513 attr_row = terminal_get_attr_row(terminal, terminal->row);
1514
1515 switch(c) {
1516 case '\r':
1517 terminal->column = 0;
1518 break;
1519 case '\n':
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001520 if (terminal->mode & MODE_LF_NEWLINE) {
1521 terminal->column = 0;
1522 }
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001523 /* fallthrough */
1524 case '\v':
1525 case '\f':
Callum Lowcaybbeac602011-01-07 19:46:58 +00001526 terminal->row++;
1527 if(terminal->row > terminal->margin_bottom) {
1528 terminal->row = terminal->margin_bottom;
1529 terminal_scroll(terminal, +1);
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001530 }
1531
1532 break;
1533 case '\t':
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001534 while (terminal->column < terminal->width) {
1535 if (terminal->tab_ruler[terminal->column]) break;
Callum Lowcay69e96582011-01-07 19:47:00 +00001536 if (terminal->mode & MODE_IRM)
1537 terminal_shift_line(terminal, +1);
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001538 row[terminal->column].byte[0] = ' ';
1539 row[terminal->column].byte[1] = '\0';
1540 attr_row[terminal->column] = terminal->curr_attr;
1541 terminal->column++;
1542 }
1543 if (terminal->column >= terminal->width) {
1544 terminal->column = terminal->width - 1;
1545 }
1546
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001547 break;
1548 case '\b':
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001549 if (terminal->column >= terminal->width) {
1550 terminal->column = terminal->width - 2;
1551 } else if (terminal->column > 0) {
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001552 terminal->column--;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001553 } else if (terminal->mode & MODE_AUTOWRAP) {
1554 terminal->column = terminal->width - 1;
1555 terminal->row -= 1;
1556 if (terminal->row < terminal->margin_top) {
1557 terminal->row = terminal->margin_top;
1558 terminal_scroll(terminal, -1);
1559 }
1560 }
1561
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001562 break;
1563 case '\a':
1564 /* Bell */
1565 break;
Callum Lowcay256e72f2011-01-07 19:47:01 +00001566 case '\x0E': /* SO */
1567 terminal->cs = terminal->g1;
1568 break;
1569 case '\x0F': /* SI */
1570 terminal->cs = terminal->g0;
1571 break;
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001572 default:
1573 return 0;
1574 }
1575
1576 return 1;
1577}
1578
1579static void
1580handle_char(struct terminal *terminal, union utf8_char utf8)
1581{
1582 union utf8_char *row;
1583 struct attr *attr_row;
1584
1585 if (handle_special_char(terminal, utf8.byte[0])) return;
Callum Lowcay256e72f2011-01-07 19:47:01 +00001586
1587 apply_char_set(terminal->cs, &utf8);
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001588
1589 /* There are a whole lot of non-characters, control codes,
1590 * and formatting codes that should probably be ignored,
1591 * for example: */
1592 if (strncmp((char*) utf8.byte, "\xEF\xBB\xBF", 3) == 0) {
1593 /* BOM, ignore */
1594 return;
1595 }
1596
1597 /* Some of these non-characters should be translated, e.g.: */
1598 if (utf8.byte[0] < 32) {
1599 utf8.byte[0] = utf8.byte[0] + 64;
1600 }
1601
1602 /* handle right margin effects */
1603 if (terminal->column >= terminal->width) {
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001604 if (terminal->mode & MODE_AUTOWRAP) {
1605 terminal->column = 0;
1606 terminal->row += 1;
1607 if (terminal->row > terminal->margin_bottom) {
1608 terminal->row = terminal->margin_bottom;
1609 terminal_scroll(terminal, +1);
1610 }
1611 } else {
1612 terminal->column--;
1613 }
1614 }
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001615
1616 row = terminal_get_row(terminal, terminal->row);
1617 attr_row = terminal_get_attr_row(terminal, terminal->row);
1618
Callum Lowcay69e96582011-01-07 19:47:00 +00001619 if (terminal->mode & MODE_IRM)
1620 terminal_shift_line(terminal, +1);
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001621 row[terminal->column] = utf8;
1622 attr_row[terminal->column++] = terminal->curr_attr;
1623
1624 if (utf8.ch != terminal->last_char.ch)
1625 terminal->last_char = utf8;
1626}
1627
Callum Lowcay30eeae52011-01-07 19:46:55 +00001628static void
Callum Lowcay67a201d2011-01-12 19:23:41 +13001629escape_append_utf8(struct terminal *terminal, union utf8_char utf8)
1630{
1631 int len, i;
1632
1633 if ((utf8.byte[0] & 0x80) == 0x00) len = 1;
1634 else if ((utf8.byte[0] & 0xE0) == 0xC0) len = 2;
1635 else if ((utf8.byte[0] & 0xF0) == 0xE0) len = 3;
1636 else if ((utf8.byte[0] & 0xF8) == 0xF0) len = 4;
1637 else len = 1; /* Invalid, cannot happen */
1638
1639 if (terminal->escape_length + len <= MAX_ESCAPE) {
1640 for (i = 0; i < len; i++)
1641 terminal->escape[terminal->escape_length + i] = utf8.byte[i];
1642 terminal->escape_length += len;
1643 } else if (terminal->escape_length < MAX_ESCAPE) {
1644 terminal->escape[terminal->escape_length++] = 0;
1645 }
1646}
1647
1648static void
Kristian Høgsberg269d6e32008-12-07 23:17:31 -05001649terminal_data(struct terminal *terminal, const char *data, size_t length)
1650{
1651 int i;
Callum Lowcay15bdc5d2011-01-07 19:46:54 +00001652 union utf8_char utf8;
1653 enum utf8_state parser_state;
Kristian Høgsberg269d6e32008-12-07 23:17:31 -05001654
1655 for (i = 0; i < length; i++) {
Callum Lowcay15bdc5d2011-01-07 19:46:54 +00001656 parser_state =
1657 utf8_next_char(&terminal->state_machine, data[i]);
1658 switch(parser_state) {
1659 case utf8state_accept:
1660 utf8.ch = terminal->state_machine.s.ch;
1661 break;
1662 case utf8state_reject:
1663 /* the unicode replacement character */
1664 utf8.byte[0] = 0xEF;
1665 utf8.byte[1] = 0xBF;
1666 utf8.byte[2] = 0xBD;
1667 utf8.byte[3] = 0x00;
1668 break;
1669 default:
1670 continue;
1671 }
1672
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001673 /* assume escape codes never use non-ASCII characters */
Callum Lowcay67a201d2011-01-12 19:23:41 +13001674 switch (terminal->state) {
1675 case escape_state_escape:
1676 escape_append_utf8(terminal, utf8);
1677 switch (utf8.byte[0]) {
1678 case 'P': /* DCS */
1679 terminal->state = escape_state_dcs;
1680 break;
1681 case '[': /* CSI */
1682 terminal->state = escape_state_csi;
1683 break;
1684 case ']': /* OSC */
1685 terminal->state = escape_state_osc;
1686 break;
1687 case '#':
1688 case '(':
1689 case ')': /* special */
1690 terminal->state = escape_state_special;
1691 break;
1692 case '^': /* PM (not implemented) */
1693 case '_': /* APC (not implemented) */
1694 terminal->state = escape_state_ignore;
1695 break;
1696 default:
1697 terminal->state = escape_state_normal;
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001698 handle_non_csi_escape(terminal, utf8.byte[0]);
Callum Lowcay67a201d2011-01-12 19:23:41 +13001699 break;
Kristian Høgsberg17809b12008-12-08 12:20:40 -05001700 }
Callum Lowcay67a201d2011-01-12 19:23:41 +13001701 continue;
1702 case escape_state_csi:
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001703 if (handle_special_char(terminal, utf8.byte[0]) != 0) {
1704 /* do nothing */
1705 } else if (utf8.byte[0] == '?') {
Callum Lowcay67a201d2011-01-12 19:23:41 +13001706 terminal->escape_flags |= ESC_FLAG_WHAT;
1707 } else if (utf8.byte[0] == '>') {
1708 terminal->escape_flags |= ESC_FLAG_GT;
1709 } else if (utf8.byte[0] == '!') {
1710 terminal->escape_flags |= ESC_FLAG_BANG;
1711 } else if (utf8.byte[0] == '$') {
1712 terminal->escape_flags |= ESC_FLAG_CASH;
1713 } else if (utf8.byte[0] == '\'') {
1714 terminal->escape_flags |= ESC_FLAG_SQUOTE;
1715 } else if (utf8.byte[0] == '"') {
1716 terminal->escape_flags |= ESC_FLAG_DQUOTE;
1717 } else if (utf8.byte[0] == ' ') {
1718 terminal->escape_flags |= ESC_FLAG_SPACE;
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001719 } else {
Callum Lowcay67a201d2011-01-12 19:23:41 +13001720 escape_append_utf8(terminal, utf8);
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001721 if (terminal->escape_length >= MAX_ESCAPE)
Callum Lowcay67a201d2011-01-12 19:23:41 +13001722 terminal->state = escape_state_normal;
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001723 }
1724
1725 if (isalpha(utf8.byte[0]) || utf8.byte[0] == '@' ||
1726 utf8.byte[0] == '`')
1727 {
Callum Lowcay67a201d2011-01-12 19:23:41 +13001728 terminal->state = escape_state_normal;
Kristian Høgsberg17809b12008-12-08 12:20:40 -05001729 handle_escape(terminal);
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001730 } else {
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001731 }
Callum Lowcay67a201d2011-01-12 19:23:41 +13001732 continue;
1733 case escape_state_inner_escape:
1734 if (utf8.byte[0] == '\\') {
1735 terminal->state = escape_state_normal;
1736 if (terminal->outer_state == escape_state_dcs) {
1737 handle_dcs(terminal);
1738 } else if (terminal->outer_state == escape_state_osc) {
1739 handle_osc(terminal);
1740 }
1741 } else if (utf8.byte[0] == '\e') {
1742 terminal->state = terminal->outer_state;
1743 escape_append_utf8(terminal, utf8);
1744 if (terminal->escape_length >= MAX_ESCAPE)
1745 terminal->state = escape_state_normal;
1746 } else {
1747 terminal->state = terminal->outer_state;
1748 if (terminal->escape_length < MAX_ESCAPE)
1749 terminal->escape[terminal->escape_length++] = '\e';
1750 escape_append_utf8(terminal, utf8);
1751 if (terminal->escape_length >= MAX_ESCAPE)
1752 terminal->state = escape_state_normal;
1753 }
1754 continue;
1755 case escape_state_dcs:
1756 case escape_state_osc:
1757 case escape_state_ignore:
1758 if (utf8.byte[0] == '\e') {
1759 terminal->outer_state = terminal->state;
1760 terminal->state = escape_state_inner_escape;
1761 } else if (utf8.byte[0] == '\a' && terminal->state == escape_state_osc) {
1762 terminal->state = escape_state_normal;
1763 handle_osc(terminal);
1764 } else {
1765 escape_append_utf8(terminal, utf8);
1766 if (terminal->escape_length >= MAX_ESCAPE)
1767 terminal->state = escape_state_normal;
1768 }
1769 continue;
1770 case escape_state_special:
1771 escape_append_utf8(terminal, utf8);
1772 terminal->state = escape_state_normal;
1773 if (isdigit(utf8.byte[0]) || isalpha(utf8.byte[0])) {
1774 handle_special_escape(terminal, terminal->escape[1],
1775 utf8.byte[0]);
1776 }
1777 continue;
1778 default:
1779 break;
Kristian Høgsbergf04e8382008-12-08 00:07:49 -05001780 }
1781
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001782 /* this is valid, because ASCII characters are never used to
1783 * introduce a multibyte sequence in UTF-8 */
1784 if (utf8.byte[0] == '\e') {
Callum Lowcay67a201d2011-01-12 19:23:41 +13001785 terminal->state = escape_state_escape;
1786 terminal->outer_state = escape_state_normal;
Kristian Høgsberg17809b12008-12-08 12:20:40 -05001787 terminal->escape[0] = '\e';
1788 terminal->escape_length = 1;
Callum Lowcay67a201d2011-01-12 19:23:41 +13001789 terminal->escape_flags = 0;
Callum Lowcayb8609ad2011-01-07 19:46:57 +00001790 } else {
1791 handle_char(terminal, utf8);
1792 } /* if */
1793 } /* for */
Kristian Høgsberg721f09f2008-12-08 11:13:26 -05001794
Kristian Høgsberg80d746f2010-06-14 23:52:50 -04001795 window_schedule_redraw(terminal->window);
Kristian Høgsberg6e83d582008-12-08 00:01:36 -05001796}
1797
1798static void
Kristian Høgsberg94adf6c2010-06-25 16:50:05 -04001799key_handler(struct window *window, uint32_t key, uint32_t sym,
Kristian Høgsberg55444912009-02-21 14:31:09 -05001800 uint32_t state, uint32_t modifiers, void *data)
Kristian Høgsberg6e83d582008-12-08 00:01:36 -05001801{
1802 struct terminal *terminal = data;
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001803 char ch[MAX_RESPONSE];
Kristian Høgsberg94adf6c2010-06-25 16:50:05 -04001804 int len = 0;
Kristian Høgsberg6e83d582008-12-08 00:01:36 -05001805
Kristian Høgsberg94adf6c2010-06-25 16:50:05 -04001806 switch (sym) {
1807 case XK_F11:
Kristian Høgsberg0395f302008-12-22 12:14:50 -05001808 if (!state)
1809 break;
1810 terminal->fullscreen ^= 1;
1811 window_set_fullscreen(window, terminal->fullscreen);
Kristian Høgsberg80d746f2010-06-14 23:52:50 -04001812 window_schedule_redraw(terminal->window);
Kristian Høgsberg0395f302008-12-22 12:14:50 -05001813 break;
Kristian Høgsberg94adf6c2010-06-25 16:50:05 -04001814
Kristian Høgsberg94adf6c2010-06-25 16:50:05 -04001815 case XK_BackSpace:
1816 case XK_Tab:
1817 case XK_Linefeed:
1818 case XK_Clear:
Kristian Høgsberg94adf6c2010-06-25 16:50:05 -04001819 case XK_Pause:
1820 case XK_Scroll_Lock:
1821 case XK_Sys_Req:
1822 case XK_Escape:
1823 ch[len++] = sym & 0x7f;
1824 break;
1825
Callum Lowcay8e57dd52011-01-07 19:46:59 +00001826 case XK_Return:
1827 if (terminal->mode & MODE_LF_NEWLINE) {
1828 ch[len++] = 0x0D;
1829 ch[len++] = 0x0A;
1830 } else {
1831 ch[len++] = 0x0D;
1832 }
1833 break;
1834
Kristian Høgsberg94adf6c2010-06-25 16:50:05 -04001835 case XK_Shift_L:
1836 case XK_Shift_R:
1837 case XK_Control_L:
1838 case XK_Control_R:
1839 case XK_Alt_L:
1840 case XK_Alt_R:
1841 break;
1842
Callum Lowcay7e08e902011-01-07 19:47:02 +00001843 case XK_Insert:
1844 len = function_key_response('[', 2, modifiers, '~', ch);
1845 break;
1846 case XK_Delete:
1847 if (terminal->mode & MODE_DELETE_SENDS_DEL) {
1848 ch[len++] = '\x04';
1849 } else {
1850 len = function_key_response('[', 3, modifiers, '~', ch);
1851 }
1852 break;
1853 case XK_Page_Up:
1854 len = function_key_response('[', 5, modifiers, '~', ch);
1855 break;
1856 case XK_Page_Down:
1857 len = function_key_response('[', 6, modifiers, '~', ch);
1858 break;
1859 case XK_F1:
1860 len = function_key_response('O', 1, modifiers, 'P', ch);
1861 break;
1862 case XK_F2:
1863 len = function_key_response('O', 1, modifiers, 'Q', ch);
1864 break;
1865 case XK_F3:
1866 len = function_key_response('O', 1, modifiers, 'R', ch);
1867 break;
1868 case XK_F4:
1869 len = function_key_response('O', 1, modifiers, 'S', ch);
1870 break;
1871 case XK_F5:
1872 len = function_key_response('[', 15, modifiers, '~', ch);
1873 break;
1874 case XK_F6:
1875 len = function_key_response('[', 17, modifiers, '~', ch);
1876 break;
1877 case XK_F7:
1878 len = function_key_response('[', 18, modifiers, '~', ch);
1879 break;
1880 case XK_F8:
1881 len = function_key_response('[', 19, modifiers, '~', ch);
1882 break;
1883 case XK_F9:
1884 len = function_key_response('[', 20, modifiers, '~', ch);
1885 break;
1886 case XK_F10:
1887 len = function_key_response('[', 21, modifiers, '~', ch);
1888 break;
1889 case XK_F12:
1890 len = function_key_response('[', 24, modifiers, '~', ch);
1891 break;
Kristian Høgsberg6e83d582008-12-08 00:01:36 -05001892 default:
Callum Lowcay7e08e902011-01-07 19:47:02 +00001893 /* Handle special keys with alternate mappings */
1894 len = apply_key_map(terminal->key_mode, sym, modifiers, ch);
1895 if (len != 0) break;
1896
1897 if (modifiers & WINDOW_MODIFIER_CONTROL) {
1898 if (sym >= '3' && sym <= '7')
1899 sym = (sym & 0x1f) + 8;
1900
1901 if (!((sym >= '!' && sym <= '/') ||
1902 (sym >= '8' && sym <= '?') ||
1903 (sym >= '0' && sym <= '2'))) sym = sym & 0x1f;
1904 else if (sym == '2') sym = 0x00;
1905 else if (sym == '/') sym = 0x1F;
1906 else if (sym == '8' || sym == '?') sym = 0x7F;
1907 } else if ((terminal->mode & MODE_ALT_SENDS_ESC) &&
1908 (modifiers & WINDOW_MODIFIER_ALT))
1909 {
Kristian Høgsberg94adf6c2010-06-25 16:50:05 -04001910 ch[len++] = 0x1b;
Callum Lowcay7e08e902011-01-07 19:47:02 +00001911 } else if (modifiers & WINDOW_MODIFIER_ALT) {
1912 sym = sym | 0x80;
1913 }
1914
Kristian Høgsberg94adf6c2010-06-25 16:50:05 -04001915 if (sym < 256)
1916 ch[len++] = sym;
Kristian Høgsberg6e83d582008-12-08 00:01:36 -05001917 break;
1918 }
Kristian Høgsberg94adf6c2010-06-25 16:50:05 -04001919
1920 if (state && len > 0)
1921 write(terminal->master, ch, len);
Kristian Høgsberg6e83d582008-12-08 00:01:36 -05001922}
1923
Kristian Høgsberg3c248cc2009-02-22 23:01:35 -05001924static void
1925keyboard_focus_handler(struct window *window,
Kristian Høgsberg43788b12010-07-28 23:50:12 -04001926 struct input *device, void *data)
Kristian Høgsberg3c248cc2009-02-22 23:01:35 -05001927{
1928 struct terminal *terminal = data;
1929
1930 terminal->focused = (device != NULL);
Kristian Høgsberg80d746f2010-06-14 23:52:50 -04001931 window_schedule_redraw(terminal->window);
Kristian Høgsberg3c248cc2009-02-22 23:01:35 -05001932}
1933
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -05001934static struct terminal *
Kristian Høgsberg43c28ee2009-01-26 23:42:46 -05001935terminal_create(struct display *display, int fullscreen)
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -05001936{
1937 struct terminal *terminal;
Kristian Høgsberg09531622010-06-14 23:22:15 -04001938 cairo_surface_t *surface;
1939 cairo_t *cr;
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -05001940
1941 terminal = malloc(sizeof *terminal);
1942 if (terminal == NULL)
1943 return terminal;
1944
Kristian Høgsberg269d6e32008-12-07 23:17:31 -05001945 memset(terminal, 0, sizeof *terminal);
Kristian Høgsberg0395f302008-12-22 12:14:50 -05001946 terminal->fullscreen = fullscreen;
Callum Lowcay30eeae52011-01-07 19:46:55 +00001947 terminal->color_scheme = &DEFAULT_COLORS;
1948 terminal_init(terminal);
Callum Lowcaybbeac602011-01-07 19:46:58 +00001949 terminal->margin_top = 0;
Callum Lowcay86653ed2011-01-07 19:47:03 +00001950 terminal->margin_bottom = -1;
Kristian Høgsberg43c28ee2009-01-26 23:42:46 -05001951 terminal->window = window_create(display, "Wayland Terminal",
Kristian Høgsberg82da52b2010-12-17 09:53:12 -05001952 500, 400);
Callum Lowcay15bdc5d2011-01-07 19:46:54 +00001953
1954 init_state_machine(&terminal->state_machine);
Callum Lowcay30eeae52011-01-07 19:46:55 +00001955 init_color_table(terminal);
Callum Lowcay15bdc5d2011-01-07 19:46:54 +00001956
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -05001957 terminal->display = display;
Kristian Høgsberg1584c572008-12-08 12:59:37 -05001958 terminal->margin = 5;
Kristian Høgsberg44e3c5e2008-12-07 21:51:58 -05001959
Kristian Høgsberg0395f302008-12-22 12:14:50 -05001960 window_set_fullscreen(terminal->window, terminal->fullscreen);
Kristian Høgsbergc8c37342010-06-25 11:19:22 -04001961 window_set_user_data(terminal->window, terminal);
1962 window_set_redraw_handler(terminal->window, redraw_handler);
Kristian Høgsberg94448c02008-12-30 11:03:33 -05001963
Kristian Høgsbergc8c37342010-06-25 11:19:22 -04001964 window_set_key_handler(terminal->window, key_handler);
Kristian Høgsberg3c248cc2009-02-22 23:01:35 -05001965 window_set_keyboard_focus_handler(terminal->window,
Kristian Høgsbergc8c37342010-06-25 11:19:22 -04001966 keyboard_focus_handler);
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -05001967
Kristian Høgsberg09531622010-06-14 23:22:15 -04001968 surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 0, 0);
1969 cr = cairo_create(surface);
Callum Lowcay30eeae52011-01-07 19:46:55 +00001970 terminal->font_bold = cairo_toy_font_face_create ("mono",
1971 CAIRO_FONT_SLANT_NORMAL,
1972 CAIRO_FONT_WEIGHT_BOLD);
1973 cairo_font_face_reference(terminal->font_bold);
1974 terminal->font_normal = cairo_toy_font_face_create ("mono",
1975 CAIRO_FONT_SLANT_NORMAL,
1976 CAIRO_FONT_WEIGHT_NORMAL);
1977 cairo_font_face_reference(terminal->font_normal);
1978 cairo_set_font_face(cr, terminal->font_normal);
Kristian Høgsberg09531622010-06-14 23:22:15 -04001979 cairo_set_font_size(cr, 14);
1980 cairo_font_extents(cr, &terminal->extents);
1981 cairo_destroy(cr);
1982 cairo_surface_destroy(surface);
1983
Callum Lowcaya0ee21c2011-01-07 19:46:56 +00001984 terminal_resize(terminal, 80, 24);
Kristian Høgsberg22106762008-12-08 13:50:07 -05001985 terminal_draw(terminal);
1986
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -05001987 return terminal;
1988}
1989
Kristian Høgsberg269d6e32008-12-07 23:17:31 -05001990static gboolean
1991io_handler(GIOChannel *source,
1992 GIOCondition condition,
1993 gpointer data)
1994{
1995 struct terminal *terminal = data;
1996 gchar buffer[256];
1997 gsize bytes_read;
1998 GError *error = NULL;
1999
2000 g_io_channel_read_chars(source, buffer, sizeof buffer,
2001 &bytes_read, &error);
Kristian Høgsberg269d6e32008-12-07 23:17:31 -05002002
2003 terminal_data(terminal, buffer, bytes_read);
2004
Kristian Høgsberg269d6e32008-12-07 23:17:31 -05002005 return TRUE;
2006}
2007
2008static int
2009terminal_run(struct terminal *terminal, const char *path)
2010{
Kristian Høgsbergf0c7b202008-12-12 13:39:03 -05002011 int master;
Kristian Høgsberg269d6e32008-12-07 23:17:31 -05002012 pid_t pid;
2013
2014 pid = forkpty(&master, NULL, NULL, NULL);
2015 if (pid == 0) {
Callum Lowcay86653ed2011-01-07 19:47:03 +00002016 setenv("TERM", "xterm-256color", 1);
2017 setenv("COLORTERM", "xterm-256color", 1);
Kristian Høgsberg269d6e32008-12-07 23:17:31 -05002018 if (execl(path, path, NULL)) {
2019 printf("exec failed: %m\n");
2020 exit(EXIT_FAILURE);
2021 }
Kristian Høgsbergf0c7b202008-12-12 13:39:03 -05002022 } else if (pid < 0) {
2023 fprintf(stderr, "failed to fork and create pty (%m).\n");
2024 return -1;
Kristian Høgsberg269d6e32008-12-07 23:17:31 -05002025 }
2026
Kristian Høgsberg6e83d582008-12-08 00:01:36 -05002027 terminal->master = master;
Kristian Høgsberg269d6e32008-12-07 23:17:31 -05002028 terminal->channel = g_io_channel_unix_new(master);
2029 fcntl(master, F_SETFL, O_NONBLOCK);
2030 g_io_add_watch(terminal->channel, G_IO_IN,
2031 io_handler, terminal);
2032
2033 return 0;
2034}
2035
Kristian Høgsberg0395f302008-12-22 12:14:50 -05002036static const GOptionEntry option_entries[] = {
2037 { "fullscreen", 'f', 0, G_OPTION_ARG_NONE,
2038 &option_fullscreen, "Run in fullscreen mode" },
2039 { NULL }
2040};
2041
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -05002042int main(int argc, char *argv[])
2043{
Kristian Høgsberg43c28ee2009-01-26 23:42:46 -05002044 struct display *d;
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -05002045 struct terminal *terminal;
Kristian Høgsberg0395f302008-12-22 12:14:50 -05002046
Kristian Høgsberg7824d812010-06-08 14:59:44 -04002047 d = display_create(&argc, &argv, option_entries);
Yuval Fledele9f5e362010-11-22 21:34:19 +02002048 if (d == NULL) {
2049 fprintf(stderr, "failed to create display: %m\n");
2050 return -1;
2051 }
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -05002052
Kristian Høgsberg43c28ee2009-01-26 23:42:46 -05002053 terminal = terminal_create(d, option_fullscreen);
Kristian Høgsbergf0c7b202008-12-12 13:39:03 -05002054 if (terminal_run(terminal, "/bin/bash"))
2055 exit(EXIT_FAILURE);
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -05002056
Kristian Høgsberg7824d812010-06-08 14:59:44 -04002057 display_run(d);
Kristian Høgsberg0c4457f2008-12-07 19:59:11 -05002058
2059 return 0;
2060}