d0d141904b0c59bcc06e42f4f42573ce5bdd9732
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)
64 #define F7 KEY_F(7)
67 static command_definition_t cmds[] =
68 {
69 #ifdef ENABLE_KEYDEF_SCREEN
70 { {'K', 0, 0 }, 0, CMD_SCREEN_KEYDEF, "screen-keyedit",
71 N_("Key configuration screen") },
72 #endif
73 { { 'q', 'Q', 3 }, 0, CMD_QUIT, "quit",
74 N_("Quit") },
76 /* movment */
77 { { UP, 'k', 0 }, 0, CMD_LIST_PREVIOUS, "up",
78 N_("Move cursor up") },
79 { { DWN, 'j', 0 }, 0, CMD_LIST_NEXT, "down",
80 N_("Move cursor down") },
81 { { HOME, 0x01, 0 }, 0, CMD_LIST_FIRST, "home",
82 N_("Home ") },
83 { { END, 0x05, 0 }, 0, CMD_LIST_LAST, "end",
84 N_("End ") },
85 { { PGUP, 0, 0 }, 0, CMD_LIST_PREVIOUS_PAGE, "pgup",
86 N_("Page up") },
87 { { PGDN, 0, 0 }, 0, CMD_LIST_NEXT_PAGE, "pgdn",
88 N_("Page down") },
91 /* basic screens */
92 { { '1', F1, 'h' }, 0, CMD_SCREEN_HELP, "screen-help",
93 N_("Help screen") },
94 { { '2', F2, 0 }, 0, CMD_SCREEN_PLAY, "screen-playlist",
95 N_("Playlist screen") },
96 { { '3', F3, 0 }, 0, CMD_SCREEN_FILE, "screen-browse",
97 N_("Browse screen") },
100 /* player commands */
101 { { 13, 0, 0 }, 0, CMD_PLAY, "play",
102 N_("Play/Enter directory") },
103 { { 'P', 0, 0 }, 0, CMD_PAUSE,"pause",
104 N_("Pause") },
105 { { 's', BS, 0 }, 0, CMD_STOP, "stop",
106 N_("Stop") },
107 { { '>', 0, 0 }, 0, CMD_TRACK_NEXT, "next",
108 N_("Next track") },
109 { { '<', 0, 0 }, 0, CMD_TRACK_PREVIOUS, "prev",
110 N_("Previous track") },
111 { { 'f', 0, 0 }, 0, CMD_SEEK_FORWARD, "seek-forward",
112 N_("Seek forward") },
113 { { 'b', 0, 0 }, 0, CMD_SEEK_BACKWARD, "seek-backward",
114 N_("Seek backward") },
115 { { '+', RGHT, 0 }, 0, CMD_VOLUME_UP, "volume-up",
116 N_("Increase volume") },
117 { { '-', LEFT, 0 }, 0, CMD_VOLUME_DOWN, "volume-down",
118 N_("Decrease volume") },
119 { { ' ', 0, 0 }, 0, CMD_SELECT, "select",
120 N_("Select/deselect song in playlist") },
121 { { 't', 0, 0 }, 0, CMD_SELECT_ALL, "select_all",
122 N_("Select all listed items") },
123 { { DEL, 'd', 0 }, 0, CMD_DELETE, "delete",
124 N_("Delete song from playlist") },
125 { { 'Z', 0, 0 }, 0, CMD_SHUFFLE, "shuffle",
126 N_("Shuffle playlist") },
127 { { 'c', 0, 0 }, 0, CMD_CLEAR, "clear",
128 N_("Clear playlist") },
129 { { 'r', 0, 0 }, 0, CMD_REPEAT, "repeat",
130 N_("Toggle repeat mode") },
131 { { 'z', 0, 0 }, 0, CMD_RANDOM, "random",
132 N_("Toggle random mode") },
133 { { 'x', 0, 0 }, 0, CMD_CROSSFADE, "crossfade",
134 N_("Toggle crossfade mode") },
135 { { 21, 0, 0 }, 0, CMD_DB_UPDATE, "db-update",
136 N_("Start a music database update") },
137 { { 'S', 0, 0 }, 0, CMD_SAVE_PLAYLIST, "save",
138 N_("Save playlist") },
139 { { 'a', 0, 0 }, 0, CMD_ADD, "add",
140 N_("Add url/file to playlist") },
142 { { '!', 0, 0 }, 0, CMD_GO_ROOT_DIRECTORY, "go-root-directory",
143 N_("Go to root directory") },
144 { { '"', 0, 0 }, 0, CMD_GO_PARENT_DIRECTORY, "go-parent-directory",
145 N_("Go to parent directory") },
147 /* lists */
148 { { 11, 0, 0 }, 0, CMD_LIST_MOVE_UP, "move-up",
149 N_("Move item up") },
150 { { 10, 0, 0 }, 0, CMD_LIST_MOVE_DOWN, "move-down",
151 N_("Move item down") },
152 { { 12, 0, 0 }, 0, CMD_SCREEN_UPDATE, "update",
153 N_("Update screen") },
156 /* ncmpc options */
157 { { 'w', 0, 0 }, 0, CMD_TOGGLE_FIND_WRAP, "wrap-mode",
158 N_("Toggle find mode") },
159 { { 'U', 0, 0 }, 0, CMD_TOGGLE_AUTOCENTER, "autocenter-mode",
160 N_("Toggle auto center mode") },
163 /* change screen */
164 { { TAB, 0, 0 }, 0, CMD_SCREEN_NEXT, "screen-next",
165 N_("Next screen") },
166 { { STAB, 0, 0 }, 0, CMD_SCREEN_PREVIOUS, "screen-prev",
167 N_("Previous screen") },
170 /* find */
171 { { '/', 0, 0 }, 0, CMD_LIST_FIND, "find",
172 N_("Forward find") },
173 { { 'n', 0, 0 }, 0, CMD_LIST_FIND_NEXT, "find-next",
174 N_("Forward find next") },
175 { { '?', 0, 0 }, 0, CMD_LIST_RFIND, "rfind",
176 N_("Backward find") },
177 { { 'p', 0, 0 }, 0, CMD_LIST_RFIND_NEXT, "rfind-next",
178 N_("Backward find previous") },
181 /* extra screens */
182 #ifdef ENABLE_ARTIST_SCREEN
183 { {'4', F4, 0 }, 0, CMD_SCREEN_ARTIST, "screen-artist",
184 N_("Artist screen") },
185 #endif
186 #ifdef ENABLE_SEARCH_SCREEN
187 { {'5', F5, 0 }, 0, CMD_SCREEN_SEARCH, "screen-search",
188 N_("Search screen") },
189 { {'m', 0, 0 }, 0, CMD_SEARCH_MODE, "search-mode",
190 N_("Change search mode") },
191 #endif
193 #ifdef ENABLE_CLOCK_SCREEN
194 { {'6', F6, 0 }, 0, CMD_SCREEN_CLOCK, "screen-clock",
195 N_("Clock screen") },
196 #endif
197 #ifdef ENABLE_LYRICS_SCREEN
198 { {'7', F7, 0 }, 0, CMD_SCREEN_LYRICS, "screen-lyrics",
199 N_("Lyrics screen") },
200 { {ESC, 0, 0 }, 0, CMD_INTERRUPT, "lyrics-interrupt",
201 N_("Interrupt action") },
202 { {'u', 0, 0 }, 0, CMD_LYRICS_UPDATE, "lyrics-update",
203 N_("Update Lyrics") },
204 #endif
207 { { -1, -1, -1 }, 0, CMD_NONE, NULL, NULL }
208 };
210 command_definition_t *
211 get_command_definitions(void)
212 {
213 return cmds;
214 }
216 char *
217 key2str(int key)
218 {
219 static char buf[32];
220 int i;
222 buf[0] = 0;
223 switch(key)
224 {
225 case 0:
226 return _("Undefined");
227 case ' ':
228 return _("Space");
229 case 13:
230 return _("Enter");
231 case BS:
232 return _("Backspace");
233 case DEL:
234 return _("Delete");
235 case UP:
236 return _("Up");
237 case DWN:
238 return _("Down");
239 case LEFT:
240 return _("Left");
241 case RGHT:
242 return _("Right");
243 case HOME:
244 return _("Home");
245 case END:
246 return _("End");
247 case PGDN:
248 return _("PageDown");
249 case PGUP:
250 return _("PageUp");
251 case TAB:
252 return _("Tab");
253 case STAB:
254 return _("Shift+Tab");
255 case ESC:
256 return _("Esc");
257 case KEY_IC:
258 return _("Insert");
259 default:
260 for(i=0; i<=63; i++)
261 if( key==KEY_F(i) )
262 {
263 g_snprintf(buf, 32, "F%d", i );
264 return buf;
265 }
266 if( !(key & ~037) )
267 g_snprintf(buf, 32, "Ctrl-%c", 'A'+(key & 037)-1 );
268 else if( (key & ~037) == 224 )
269 g_snprintf(buf, 32, "Alt-%c", 'A'+(key & 037)-1 );
270 else if( key>32 && key<256 )
271 g_snprintf(buf, 32, "%c", key);
272 else
273 g_snprintf(buf, 32, "0x%03X", key);
274 }
275 return buf;
276 }
278 void
279 command_dump_keys(void)
280 {
281 int i;
283 i=0;
284 while( cmds[i].description )
285 {
286 if( cmds[i].command != CMD_NONE )
287 printf(" %20s : %s\n", get_key_names(cmds[i].command,1),cmds[i].name);
288 i++;
289 }
290 }
292 int
293 set_key_flags(command_definition_t *cp, command_t command, int flags)
294 {
295 int i;
297 i=0;
298 while( cp[i].name )
299 {
300 if( cp[i].command == command )
301 {
302 cp[i].flags |= flags;
303 return 0;
304 }
305 i++;
306 }
307 return 1;
308 }
310 char *
311 get_key_names(command_t command, int all)
312 {
313 int i;
315 i=0;
316 while( cmds[i].description )
317 {
318 if( cmds[i].command == command )
319 {
320 int j;
321 static char keystr[80];
323 g_strlcpy(keystr, key2str(cmds[i].keys[0]), sizeof(keystr));
324 if( !all )
325 return keystr;
326 j=1;
327 while( j<MAX_COMMAND_KEYS && cmds[i].keys[j]>0 )
328 {
329 g_strlcat(keystr, " ", sizeof(keystr));
330 g_strlcat(keystr, key2str(cmds[i].keys[j]), sizeof(keystr));
331 j++;
332 }
333 return keystr;
334 }
335 i++;
336 }
337 return NULL;
338 }
340 char *
341 get_key_description(command_t command)
342 {
343 int i;
345 i=0;
346 while( cmds[i].description )
347 {
348 if( cmds[i].command == command )
349 return _(cmds[i].description);
350 i++;
351 }
352 return NULL;
353 }
355 char *
356 get_key_command_name(command_t command)
357 {
358 int i;
360 i=0;
361 while( cmds[i].name )
362 {
363 if( cmds[i].command == command )
364 return cmds[i].name;
365 i++;
366 }
367 return NULL;
368 }
370 command_t
371 get_key_command_from_name(char *name)
372 {
373 int i;
375 i=0;
376 while( cmds[i].name )
377 {
378 if( strcmp(name, cmds[i].name) == 0 )
379 return cmds[i].command;
380 i++;
381 }
382 return CMD_NONE;
383 }
386 command_t
387 find_key_command(int key, command_definition_t *cmds)
388 {
389 int i;
391 i=0;
392 while( key && cmds && cmds[i].name )
393 {
394 if( cmds[i].keys[0] == key ||
395 cmds[i].keys[1] == key ||
396 cmds[i].keys[2] == key )
397 return cmds[i].command;
398 i++;
399 }
400 return CMD_NONE;
401 }
403 command_t
404 get_key_command(int key)
405 {
406 return find_key_command(key, cmds);
407 }
409 int
410 my_wgetch(WINDOW *w)
411 {
412 int c;
414 c = wgetch(w);
416 /* handle resize event */
417 if( c==KEY_RESIZE )
418 screen_resize();
420 #ifdef ENABLE_RAW_MODE
421 /* handle SIGSTOP (Ctrl-Z) */
422 if( c==26 || c==407 )
423 sigstop();
424 /* handle SIGINT (Ctrl-C) */
425 if( c==3 )
426 exit(EXIT_SUCCESS);
427 #endif
429 return c;
430 }
432 command_t
433 get_keyboard_command_with_timeout(int ms)
434 {
435 int key;
437 if( ms != SCREEN_TIMEOUT)
438 timeout(ms);
439 key = my_wgetch(stdscr);
440 if( ms != SCREEN_TIMEOUT)
441 timeout(SCREEN_TIMEOUT);
443 if( key==ERR )
444 return CMD_NONE;
446 #ifdef HAVE_GETMOUSE
447 if( key==KEY_MOUSE )
448 return CMD_MOUSE_EVENT;
449 #endif
451 return get_key_command(key);
452 }
454 command_t
455 get_keyboard_command(void)
456 {
457 return get_keyboard_command_with_timeout(SCREEN_TIMEOUT);
458 }
460 int
461 assign_keys(command_t command, int keys[MAX_COMMAND_KEYS])
462 {
463 int i;
465 i=0;
466 while( cmds[i].name )
467 {
468 if( cmds[i].command == command )
469 {
470 memcpy(cmds[i].keys, keys, sizeof(int)*MAX_COMMAND_KEYS);
471 cmds[i].flags |= COMMAND_KEY_MODIFIED;
472 return 0;
473 }
474 i++;
475 }
476 return -1;
477 }
479 int
480 check_key_bindings(command_definition_t *cp, char *buf, size_t bufsize)
481 {
482 int i;
483 int retval = 0;
485 if( cp==NULL )
486 cp = cmds;
488 i=0;
489 while( cp[i].name )
490 {
491 cp[i].flags &= ~COMMAND_KEY_CONFLICT;
492 i++;
493 }
495 i=0;
496 while( cp[i].name )
497 {
498 int j;
499 command_t cmd;
501 for(j=0; j<MAX_COMMAND_KEYS; j++)
502 if( cp[i].keys[j] &&
503 (cmd=find_key_command(cp[i].keys[j],cp)) != cp[i].command )
504 {
505 if( buf )
506 #ifdef ENABLE_KEYDEF_SCREEN
507 g_snprintf(buf, bufsize,
508 _("Key %s assigned to %s and %s (press %s for the key editor)"),
509 key2str(cp[i].keys[j]),
510 get_key_command_name(cp[i].command),
511 get_key_command_name(cmd),
512 get_key_names(CMD_SCREEN_KEYDEF,0));
513 #else
514 g_snprintf(buf, bufsize,
515 _("Error: Key %s assigned to %s and %s !!!\n"),
516 key2str(cp[i].keys[j]),
517 get_key_command_name(cp[i].command),
518 get_key_command_name(cmd));
519 #endif
520 else
521 fprintf(stderr,
522 _("Error: Key %s assigned to %s and %s !!!\n"),
523 key2str(cp[i].keys[j]),
524 get_key_command_name(cp[i].command),
525 get_key_command_name(cmd));
526 cp[i].flags |= COMMAND_KEY_CONFLICT;
527 set_key_flags(cp, cmd, COMMAND_KEY_CONFLICT);
528 retval = -1;
529 }
530 i++;
531 }
532 return retval;
533 }
535 int
536 write_key_bindings(FILE *f, int flags)
537 {
538 int i,j;
540 if( flags & KEYDEF_WRITE_HEADER )
541 fprintf(f, "## Key bindings for ncmpc (generated by ncmpc)\n\n");
543 i=0;
544 while( cmds[i].name && !ferror(f) )
545 {
546 if( cmds[i].flags & COMMAND_KEY_MODIFIED || flags & KEYDEF_WRITE_ALL)
547 {
548 fprintf(f, "## %s\n", cmds[i].description);
549 if( flags & KEYDEF_COMMENT_ALL )
550 fprintf(f, "#");
551 fprintf(f, "key %s = ", cmds[i].name);
552 for(j=0; j<MAX_COMMAND_KEYS; j++)
553 {
554 if( j && cmds[i].keys[j] )
555 fprintf(f, ", ");
556 if( !j || cmds[i].keys[j] )
557 {
558 if( cmds[i].keys[j]<256 && (isalpha(cmds[i].keys[j]) ||
559 isdigit(cmds[i].keys[j])) )
560 fprintf(f, "\'%c\'", cmds[i].keys[j]);
561 else
562 fprintf(f, "%d", cmds[i].keys[j]);
563 }
564 }
565 fprintf(f,"\n\n");
566 }
567 i++;
568 }
569 return ferror(f);
570 }