aecf31ab716a72140ec000dd8fd22efae5a38dec
1 /*
2 * $Id$
3 *
4 * (c) 2004 by Kalle Wallin <kaw@linux.se>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 */
21 #include <ctype.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <ctype.h>
26 #include <glib.h>
27 #include <signal.h>
28 #include <ncurses.h>
30 #include "config.h"
31 #include "ncmpc.h"
32 #include "command.h"
34 #undef DEBUG_KEYS
36 #ifdef DEBUG_KEYS
37 #define DK(x) x
38 #else
39 #define DK(x)
40 #endif
42 extern void sigstop(void);
43 extern void screen_resize(void);
45 #define BS KEY_BACKSPACE
46 #define DEL KEY_DC
47 #define UP KEY_UP
48 #define DWN KEY_DOWN
49 #define LEFT KEY_LEFT
50 #define RGHT KEY_RIGHT
51 #define HOME KEY_HOME
52 #define END KEY_END
53 #define PGDN KEY_NPAGE
54 #define PGUP KEY_PPAGE
55 #define TAB 0x09
56 #define STAB 0x161
57 #define ESC 0x1B
58 #define F1 KEY_F(1)
59 #define F2 KEY_F(2)
60 #define F3 KEY_F(3)
61 #define F4 KEY_F(4)
62 #define F5 KEY_F(5)
63 #define F6 KEY_F(6)
66 static command_definition_t cmds[] =
67 {
68 #ifdef ENABLE_KEYDEF_SCREEN
69 { {'K', 0, 0 }, 0, CMD_SCREEN_KEYDEF, "screen-keyedit",
70 N_("Key configuration screen") },
71 #endif
72 { { 'q', 'Q', 3 }, 0, CMD_QUIT, "quit",
73 N_("Quit") },
75 /* movment */
76 { { UP, 'k', 0 }, 0, CMD_LIST_PREVIOUS, "up",
77 N_("Move cursor up") },
78 { { DWN, 'j', 0 }, 0, CMD_LIST_NEXT, "down",
79 N_("Move cursor down") },
80 { { HOME, 0x01, 0 }, 0, CMD_LIST_FIRST, "home",
81 N_("Home ") },
82 { { END, 0x05, 0 }, 0, CMD_LIST_LAST, "end",
83 N_("End ") },
84 { { PGUP, 0, 0 }, 0, CMD_LIST_PREVIOUS_PAGE, "pgup",
85 N_("Page up") },
86 { { PGDN, 0, 0 }, 0, CMD_LIST_NEXT_PAGE, "pgdn",
87 N_("Page down") },
90 /* basic screens */
91 { { '1', F1, 'h' }, 0, CMD_SCREEN_HELP, "screen-help",
92 N_("Help screen") },
93 { { '2', F2, 0 }, 0, CMD_SCREEN_PLAY, "screen-playlist",
94 N_("Playlist screen") },
95 { { '3', F3, 0 }, 0, CMD_SCREEN_FILE, "screen-browse",
96 N_("Browse screen") },
99 /* player commands */
100 { { 13, 0, 0 }, 0, CMD_PLAY, "play",
101 N_("Play/Enter directory") },
102 { { 'P', 0, 0 }, 0, CMD_PAUSE,"pause",
103 N_("Pause") },
104 { { 's', BS, 0 }, 0, CMD_STOP, "stop",
105 N_("Stop") },
106 { { '>', 0, 0 }, 0, CMD_TRACK_NEXT, "next",
107 N_("Next track") },
108 { { '<', 0, 0 }, 0, CMD_TRACK_PREVIOUS, "prev",
109 N_("Previous track") },
110 { { 'f', 0, 0 }, 0, CMD_SEEK_FORWARD, "seek-forward",
111 N_("Seek forward") },
112 { { 'b', 0, 0 }, 0, CMD_SEEK_BACKWARD, "seek-backward",
113 N_("Seek backward") },
114 { { '+', RGHT, 0 }, 0, CMD_VOLUME_UP, "volume-up",
115 N_("Increase volume") },
116 { { '-', LEFT, 0 }, 0, CMD_VOLUME_DOWN, "volume-down",
117 N_("Decrease volume") },
118 { { ' ', 0, 0 }, 0, CMD_SELECT, "select",
119 N_("Select/deselect song in playlist") },
120 { { DEL, 'd', 0 }, 0, CMD_DELETE, "delete",
121 N_("Delete song from playlist") },
122 { { 'Z', 0, 0 }, 0, CMD_SHUFFLE, "shuffle",
123 N_("Shuffle playlist") },
124 { { 'c', 0, 0 }, 0, CMD_CLEAR, "clear",
125 N_("Clear playlist") },
126 { { 'r', 0, 0 }, 0, CMD_REPEAT, "repeat",
127 N_("Toggle repeat mode") },
128 { { 'z', 0, 0 }, 0, CMD_RANDOM, "random",
129 N_("Toggle random mode") },
130 { { 'x', 0, 0 }, 0, CMD_CROSSFADE, "crossfade",
131 N_("Toggle crossfade mode") },
132 { { 21, 0, 0 }, 0, CMD_DB_UPDATE, "db-update",
133 N_("Start a music database update") },
134 { { 'S', 0, 0 }, 0, CMD_SAVE_PLAYLIST, "save",
135 N_("Save playlist") },
136 { { 'a', 0, 0 }, 0, CMD_ADD, "add",
137 N_("Add url/file to playlist") },
140 /* lists */
141 { { 11, 0, 0 }, 0, CMD_LIST_MOVE_UP, "move-up",
142 N_("Move item up") },
143 { { 10, 0, 0 }, 0, CMD_LIST_MOVE_DOWN, "move-down",
144 N_("Move item down") },
145 { { 12, 0, 0 }, 0, CMD_SCREEN_UPDATE, "update",
146 N_("Update screen") },
149 /* ncmpc options */
150 { { 'w', 0, 0 }, 0, CMD_TOGGLE_FIND_WRAP, "wrap-mode",
151 N_("Toggle find mode") },
152 { { 'U', 0, 0 }, 0, CMD_TOGGLE_AUTOCENTER, "autocenter-mode",
153 N_("Toggle auto center mode") },
156 /* change screen */
157 { { TAB, 0, 0 }, 0, CMD_SCREEN_NEXT, "screen-next",
158 N_("Next screen") },
159 { { STAB, 0, 0 }, 0, CMD_SCREEN_PREVIOUS, "screen-prev",
160 N_("Previous screen") },
163 /* find */
164 { { '/', 0, 0 }, 0, CMD_LIST_FIND, "find",
165 N_("Forward find") },
166 { { 'n', 0, 0 }, 0, CMD_LIST_FIND_NEXT, "find-next",
167 N_("Forward find next") },
168 { { '?', 0, 0 }, 0, CMD_LIST_RFIND, "rfind",
169 N_("Backward find") },
170 { { 'p', 0, 0 }, 0, CMD_LIST_RFIND_NEXT, "rfind-next",
171 N_("Backward find previous") },
174 /* extra screens */
175 #ifdef ENABLE_CLOCK_SCREEN
176 { {'4', F4, 0 }, 0, CMD_SCREEN_CLOCK, "screen-clock",
177 N_("Clock screen") },
178 #endif
180 { { -1, -1, -1 }, 0, CMD_NONE, NULL, NULL }
181 };
183 command_definition_t *
184 get_command_definitions(void)
185 {
186 return cmds;
187 }
189 char *
190 key2str(int key)
191 {
192 static char buf[32];
193 int i;
195 buf[0] = 0;
196 switch(key)
197 {
198 case 0:
199 return _("Undefined");
200 case ' ':
201 return _("Space");
202 case 13:
203 return _("Enter");
204 case BS:
205 return _("Backspace");
206 case DEL:
207 return _("Delete");
208 case UP:
209 return _("Up");
210 case DWN:
211 return _("Down");
212 case LEFT:
213 return _("Left");
214 case RGHT:
215 return _("Right");
216 case HOME:
217 return _("Home");
218 case END:
219 return _("End");
220 case PGDN:
221 return _("PageDown");
222 case PGUP:
223 return _("PageUp");
224 case TAB:
225 return _("Tab");
226 case STAB:
227 return _("Shift+Tab");
228 case ESC:
229 return _("Esc");
230 case KEY_IC:
231 return _("Insert");
232 default:
233 for(i=0; i<=63; i++)
234 if( key==KEY_F(i) )
235 {
236 g_snprintf(buf, 32, "F%d", i );
237 return buf;
238 }
239 if( !(key & ~037) )
240 g_snprintf(buf, 32, "Ctrl-%c", 'A'+(key & 037)-1 );
241 else if( (key & ~037) == 224 )
242 g_snprintf(buf, 32, "Alt-%c", 'A'+(key & 037)-1 );
243 else if( key>32 && key<256 )
244 g_snprintf(buf, 32, "%c", key);
245 else
246 g_snprintf(buf, 32, "0x%03X", key);
247 }
248 return buf;
249 }
251 void
252 command_dump_keys(void)
253 {
254 int i;
256 i=0;
257 while( cmds[i].description )
258 {
259 if( cmds[i].command != CMD_NONE )
260 printf(" %20s : %s\n", get_key_names(cmds[i].command,1),cmds[i].name);
261 i++;
262 }
263 }
265 int
266 set_key_flags(command_definition_t *cp, command_t command, int flags)
267 {
268 int i;
270 i=0;
271 while( cp[i].name )
272 {
273 if( cp[i].command == command )
274 {
275 cp[i].flags |= flags;
276 return 0;
277 }
278 i++;
279 }
280 return 1;
281 }
283 char *
284 get_key_names(command_t command, int all)
285 {
286 int i;
288 i=0;
289 while( cmds[i].description )
290 {
291 if( cmds[i].command == command )
292 {
293 int j;
294 static char keystr[80];
296 g_strlcpy(keystr, key2str(cmds[i].keys[0]), sizeof(keystr));
297 if( !all )
298 return keystr;
299 j=1;
300 while( j<MAX_COMMAND_KEYS && cmds[i].keys[j]>0 )
301 {
302 g_strlcat(keystr, " ", sizeof(keystr));
303 g_strlcat(keystr, key2str(cmds[i].keys[j]), sizeof(keystr));
304 j++;
305 }
306 return keystr;
307 }
308 i++;
309 }
310 return NULL;
311 }
313 char *
314 get_key_description(command_t command)
315 {
316 int i;
318 i=0;
319 while( cmds[i].description )
320 {
321 if( cmds[i].command == command )
322 return _(cmds[i].description);
323 i++;
324 }
325 return NULL;
326 }
328 char *
329 get_key_command_name(command_t command)
330 {
331 int i;
333 i=0;
334 while( cmds[i].name )
335 {
336 if( cmds[i].command == command )
337 return cmds[i].name;
338 i++;
339 }
340 return NULL;
341 }
343 command_t
344 get_key_command_from_name(char *name)
345 {
346 int i;
348 i=0;
349 while( cmds[i].name )
350 {
351 if( strcmp(name, cmds[i].name) == 0 )
352 return cmds[i].command;
353 i++;
354 }
355 return CMD_NONE;
356 }
359 command_t
360 find_key_command(int key, command_definition_t *cmds)
361 {
362 int i;
364 i=0;
365 while( key && cmds && cmds[i].name )
366 {
367 if( cmds[i].keys[0] == key ||
368 cmds[i].keys[1] == key ||
369 cmds[i].keys[2] == key )
370 return cmds[i].command;
371 i++;
372 }
373 return CMD_NONE;
374 }
376 command_t
377 get_key_command(int key)
378 {
379 return find_key_command(key, cmds);
380 }
382 int
383 my_wgetch(WINDOW *w)
384 {
385 int c;
387 c = wgetch(w);
389 /* handle resize event */
390 if( c==KEY_RESIZE )
391 screen_resize();
393 #ifdef ENABLE_RAW_MODE
394 /* handle SIGSTOP (Ctrl-Z) */
395 if( c==26 || c==407 )
396 sigstop();
397 /* handle SIGINT (Ctrl-C) */
398 if( c==3 )
399 exit(EXIT_SUCCESS);
400 #endif
402 return c;
403 }
405 command_t
406 get_keyboard_command_with_timeout(int ms)
407 {
408 int key;
410 if( ms != SCREEN_TIMEOUT)
411 timeout(ms);
412 key = my_wgetch(stdscr);
413 if( ms != SCREEN_TIMEOUT)
414 timeout(SCREEN_TIMEOUT);
416 if( key==ERR )
417 return CMD_NONE;
419 #ifdef HAVE_GETMOUSE
420 if( key==KEY_MOUSE )
421 return CMD_MOUSE_EVENT;
422 #endif
424 return get_key_command(key);
425 }
427 command_t
428 get_keyboard_command(void)
429 {
430 return get_keyboard_command_with_timeout(SCREEN_TIMEOUT);
431 }
433 int
434 assign_keys(command_t command, int keys[MAX_COMMAND_KEYS])
435 {
436 int i;
438 i=0;
439 while( cmds[i].name )
440 {
441 if( cmds[i].command == command )
442 {
443 memcpy(cmds[i].keys, keys, sizeof(int)*MAX_COMMAND_KEYS);
444 cmds[i].flags |= COMMAND_KEY_MODIFIED;
445 return 0;
446 }
447 i++;
448 }
449 return -1;
450 }
452 int
453 check_key_bindings(command_definition_t *cp, char *buf, size_t bufsize)
454 {
455 int i;
456 int retval = 0;
458 if( cp==NULL )
459 cp = cmds;
461 i=0;
462 while( cp[i].name )
463 {
464 cp[i].flags &= ~COMMAND_KEY_CONFLICT;
465 i++;
466 }
468 i=0;
469 while( cp[i].name )
470 {
471 int j;
472 command_t cmd;
474 for(j=0; j<MAX_COMMAND_KEYS; j++)
475 if( cp[i].keys[j] &&
476 (cmd=find_key_command(cp[i].keys[j],cp)) != cp[i].command )
477 {
478 if( buf )
479 #ifdef ENABLE_KEYDEF_SCREEN
480 g_snprintf(buf, bufsize,
481 _("Key %s assigned to %s and %s (press %s for the key editor)"),
482 key2str(cp[i].keys[j]),
483 get_key_command_name(cp[i].command),
484 get_key_command_name(cmd),
485 get_key_names(CMD_SCREEN_KEYDEF,0));
486 #else
487 g_snprintf(buf, bufsize,
488 _("Error: Key %s assigned to %s and %s !!!\n"),
489 key2str(cp[i].keys[j]),
490 get_key_command_name(cp[i].command),
491 get_key_command_name(cmd));
492 #endif
493 else
494 fprintf(stderr,
495 _("Error: Key %s assigned to %s and %s !!!\n"),
496 key2str(cp[i].keys[j]),
497 get_key_command_name(cp[i].command),
498 get_key_command_name(cmd));
499 cp[i].flags |= COMMAND_KEY_CONFLICT;
500 set_key_flags(cp, cmd, COMMAND_KEY_CONFLICT);
501 retval = -1;
502 }
503 i++;
504 }
505 return retval;
506 }
508 int
509 write_key_bindings(FILE *f, int flags)
510 {
511 int i,j;
513 if( flags & KEYDEF_WRITE_HEADER )
514 fprintf(f, "## Key bindings for ncmpc (generated by ncmpc)\n\n");
516 i=0;
517 while( cmds[i].name && !ferror(f) )
518 {
519 if( cmds[i].flags & COMMAND_KEY_MODIFIED || flags & KEYDEF_WRITE_ALL)
520 {
521 fprintf(f, "## %s\n", cmds[i].description);
522 if( flags & KEYDEF_COMMENT_ALL )
523 fprintf(f, "#");
524 fprintf(f, "key %s = ", cmds[i].name);
525 for(j=0; j<MAX_COMMAND_KEYS; j++)
526 {
527 if( j && cmds[i].keys[j] )
528 fprintf(f, ", ");
529 if( !j || cmds[i].keys[j] )
530 {
531 if( cmds[i].keys[j]<256 && (isalpha(cmds[i].keys[j]) ||
532 isdigit(cmds[i].keys[j])) )
533 fprintf(f, "\'%c\'", cmds[i].keys[j]);
534 else
535 fprintf(f, "%d", cmds[i].keys[j]);
536 }
537 }
538 fprintf(f,"\n\n");
539 }
540 i++;
541 }
542 return ferror(f);
543 }