8af2d757bbe73aa1dd7a6fb31cf5f27fbf44dfd7
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 <ncurses.h>
29 #include "config.h"
30 #include "ncmpc.h"
31 #include "command.h"
33 #undef DEBUG_KEYS
35 #ifdef DEBUG_KEYS
36 #define DK(x) x
37 #else
38 #define DK(x)
39 #endif
41 extern void screen_resize(void);
43 #define BS KEY_BACKSPACE
44 #define DEL KEY_DC
45 #define UP KEY_UP
46 #define DWN KEY_DOWN
47 #define LEFT KEY_LEFT
48 #define RGHT KEY_RIGHT
49 #define HOME KEY_HOME
50 #define END KEY_END
51 #define PGDN KEY_NPAGE
52 #define PGUP KEY_PPAGE
53 #define TAB 0x09
54 #define STAB 0x161
55 #define ESC 0x1B
56 #define F1 KEY_F(1)
57 #define F2 KEY_F(2)
58 #define F3 KEY_F(3)
59 #define F4 KEY_F(4)
60 #define F5 KEY_F(5)
61 #define F6 KEY_F(6)
64 static command_definition_t cmds[] =
65 {
66 #ifdef ENABLE_KEYDEF_SCREEN
67 { {'K', 0, 0 }, CMD_SCREEN_KEYDEF, "screen-keyedit",
68 N_("Key configuration screen") },
69 #endif
70 { { 'q', 'Q', 3 }, CMD_QUIT, "quit",
71 N_("Quit") },
73 /* movment */
74 { { UP, ',', 0 }, CMD_LIST_PREVIOUS, "up",
75 N_("Move cursor up") },
76 { { DWN, '.', 0 }, CMD_LIST_NEXT, "down",
77 N_("Move cursor down") },
78 { { HOME, 0x01, 0 }, CMD_LIST_FIRST, "home",
79 N_("Home ") },
80 { { END, 0x05, 0 }, CMD_LIST_LAST, "end",
81 N_("End ") },
82 { { PGUP, 0, 0 }, CMD_LIST_PREVIOUS_PAGE, "pgup",
83 N_("Page up") },
84 { { PGDN, 0, 0 }, CMD_LIST_NEXT_PAGE, "pgdn",
85 N_("Page down") },
88 /* basic screens */
89 { { '1', F1, 'h' }, CMD_SCREEN_HELP, "screen-help",
90 N_("Help screen") },
91 { { '2', F2, 0 }, CMD_SCREEN_PLAY, "screen-playlist",
92 N_("Playlist screen") },
93 { { '3', F3, 0 }, CMD_SCREEN_FILE, "screen-browse",
94 N_("Browse screen") },
97 /* player commands */
98 { { 13, 0, 0 }, CMD_PLAY, "play",
99 N_("Play/Enter directory") },
100 { { 'P', 0, 0 }, CMD_PAUSE,"pause",
101 N_("Pause") },
102 { { 's', BS, 0 }, CMD_STOP, "stop",
103 N_("Stop") },
104 { { '>', 0, 0 }, CMD_TRACK_NEXT, "next",
105 N_("Next track") },
106 { { '<', 0, 0 }, CMD_TRACK_PREVIOUS, "prev",
107 N_("Previous track") },
108 { { 'f', 0, 0 }, CMD_SEEK_FORWARD, "seek-forward",
109 N_("Seek forward") },
110 { { 'b', 0, 0 }, CMD_SEEK_BACKWARD, "seek-backward",
111 N_("Seek backward") },
112 { { '+', RGHT, 0 }, CMD_VOLUME_UP, "volume-up",
113 N_("Increase volume") },
114 { { '-', LEFT, 0 }, CMD_VOLUME_DOWN, "volume-down",
115 N_("Decrease volume") },
116 { { ' ', 0, 0 }, CMD_SELECT, "select",
117 N_("Select/deselect song in playlist") },
118 { { DEL, 'd', 0 }, CMD_DELETE, "delete",
119 N_("Delete song from playlist") },
120 { { 'Z', 0, 0 }, CMD_SHUFFLE, "shuffle",
121 N_("Shuffle playlist") },
122 { { 'c', 0, 0 }, CMD_CLEAR, "clear",
123 N_("Clear playlist") },
124 { { 'r', 0, 0 }, CMD_REPEAT, "repeat",
125 N_("Toggle repeat mode") },
126 { { 'z', 0, 0 }, CMD_RANDOM, "random",
127 N_("Toggle random mode") },
128 { { 'x', 0, 0 }, CMD_CROSSFADE, "crossfade",
129 N_("Toggle crossfade mode") },
130 { { 21, 0, 0 }, CMD_DB_UPDATE, "db-update",
131 N_("Start a music database update") },
132 { { 'S', 0, 0 }, CMD_SAVE_PLAYLIST, "save",
133 N_("Save playlist") },
134 { { 'a', 0, 0 }, CMD_ADD, "add",
135 N_("Add url/file to playlist") },
138 /* lists */
139 { { 0, 0, 0 }, CMD_LIST_MOVE_UP, "move-up",
140 N_("Move item up") },
141 { { 0, 0, 0 }, CMD_LIST_MOVE_DOWN, "move-down",
142 N_("Move item down") },
143 { {'u', 0, 0 }, CMD_SCREEN_UPDATE, "update",
144 N_("Update screen") },
147 /* ncmpc options */
148 { { 'w', 0, 0 }, CMD_TOGGLE_FIND_WRAP, "wrap-mode",
149 N_("Toggle find mode") },
150 { { 'U', 0, 0 }, CMD_TOGGLE_AUTOCENTER, "autocenter-mode",
151 N_("Toggle auto center mode") },
154 /* change screen */
155 { { TAB, 0, 0 }, CMD_SCREEN_NEXT, "screen-next",
156 N_("Next screen") },
157 { { STAB, 0, 0 }, CMD_SCREEN_PREVIOUS, "screen-prev",
158 N_("Previous screen") },
161 /* find */
162 { { '/', 0, 0 }, CMD_LIST_FIND, "find",
163 N_("Forward find") },
164 { { 'n', 0, 0 }, CMD_LIST_FIND_NEXT, "find-next",
165 N_("Forward find next") },
166 { { '?', 0, 0 }, CMD_LIST_RFIND, "rfind",
167 N_("Backward find") },
168 { { 'p', 0, 0 }, CMD_LIST_RFIND_NEXT, "rfind-next",
169 N_("Backward find previous") },
172 /* extra screens */
173 #ifdef ENABLE_CLOCK_SCREEN
174 { {'4', F4, 0 }, CMD_SCREEN_CLOCK, "screen-clock",
175 N_("Clock screen") },
176 #endif
180 { { -1, -1, -1 }, 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 snprintf(buf, 32, "F%d", i );
237 return buf;
238 }
239 if( !(key & ~037) )
240 snprintf(buf, 32, "Ctrl-%c", 'A'+(key & 037)-1 );
241 else if( (key & ~037) == 224 )
242 snprintf(buf, 32, "Alt-%c", 'A'+(key & 037)-1 );
243 else if( key>32 && key<256 )
244 snprintf(buf, 32, "%c", key);
245 else
246 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 char *
266 get_key_names(command_t command, int all)
267 {
268 int i;
270 i=0;
271 while( cmds[i].description )
272 {
273 if( cmds[i].command == command )
274 {
275 int j;
276 static char keystr[80];
278 strncpy(keystr, key2str(cmds[i].keys[0]), 80);
279 if( !all )
280 return keystr;
281 j=1;
282 while( j<MAX_COMMAND_KEYS && cmds[i].keys[j]>0 )
283 {
284 strcat(keystr, " ");
285 strcat(keystr, key2str(cmds[i].keys[j]));
286 j++;
287 }
288 return keystr;
289 }
290 i++;
291 }
292 return NULL;
293 }
295 char *
296 get_key_description(command_t command)
297 {
298 int i;
300 i=0;
301 while( cmds[i].description )
302 {
303 if( cmds[i].command == command )
304 return _(cmds[i].description);
305 i++;
306 }
307 return NULL;
308 }
310 char *
311 get_key_command_name(command_t command)
312 {
313 int i;
315 i=0;
316 while( cmds[i].name )
317 {
318 if( cmds[i].command == command )
319 return cmds[i].name;
320 i++;
321 }
322 return NULL;
323 }
325 command_t
326 get_key_command_from_name(char *name)
327 {
328 int i;
330 i=0;
331 while( cmds[i].name )
332 {
333 if( strcmp(name, cmds[i].name) == 0 )
334 return cmds[i].command;
335 i++;
336 }
337 return CMD_NONE;
338 }
341 command_t
342 find_key_command(int key, command_definition_t *cmds)
343 {
344 int i;
346 i=0;
347 while( cmds && cmds[i].name )
348 {
349 if( cmds[i].keys[0] == key ||
350 cmds[i].keys[1] == key ||
351 cmds[i].keys[2] == key )
352 return cmds[i].command;
353 i++;
354 }
355 return CMD_NONE;
356 }
358 command_t
359 get_key_command(int key)
360 {
361 return find_key_command(key, cmds);
362 }
364 command_t
365 get_keyboard_command_with_timeout(int ms)
366 {
367 int key;
369 if( ms != SCREEN_TIMEOUT)
370 timeout(ms);
371 key = wgetch(stdscr);
372 if( ms != SCREEN_TIMEOUT)
373 timeout(SCREEN_TIMEOUT);
375 if( key==KEY_RESIZE )
376 screen_resize();
378 if( key==ERR )
379 return CMD_NONE;
381 return get_key_command(key);
382 }
384 command_t
385 get_keyboard_command(void)
386 {
387 return get_keyboard_command_with_timeout(SCREEN_TIMEOUT);
388 }
390 int
391 assign_keys(command_t command, int keys[MAX_COMMAND_KEYS])
392 {
393 int i;
395 i=0;
396 while( cmds[i].name )
397 {
398 if( cmds[i].command == command )
399 {
400 memcpy(cmds[i].keys, keys, sizeof(int)*MAX_COMMAND_KEYS);
401 return 0;
402 }
403 i++;
404 }
405 return -1;
406 }
408 int
409 check_key_bindings(char *buf, size_t bufsize)
410 {
411 int i;
412 int retval = 0;
414 i=0;
415 while( cmds[i].name )
416 {
417 int j;
418 command_t cmd;
420 for(j=0; j<MAX_COMMAND_KEYS; j++)
421 if( cmds[i].keys[j] &&
422 (cmd=get_key_command(cmds[i].keys[j])) != cmds[i].command )
423 {
424 if( buf )
425 #ifdef ENABLE_KEYDEF_SCREEN
426 snprintf(buf, bufsize,
427 _("Key %s assigned to %s and %s (press %s for the key editor)"),
428 key2str(cmds[i].keys[j]),
429 get_key_command_name(cmds[i].command),
430 get_key_command_name(cmd),
431 get_key_names(CMD_SCREEN_KEYDEF,0));
432 #else
433 snprintf(buf, bufsize,
434 _("Error: Key %s assigned to %s and %s !!!\n"),
435 key2str(cmds[i].keys[j]),
436 get_key_command_name(cmds[i].command),
437 get_key_command_name(cmd));
438 #endif
439 else
440 fprintf(stderr,
441 _("Error: Key %s assigned to %s and %s !!!\n"),
442 key2str(cmds[i].keys[j]),
443 get_key_command_name(cmds[i].command),
444 get_key_command_name(cmd));
445 retval = -1;
446 }
447 i++;
448 }
449 return retval;
450 }
452 int
453 write_key_bindings(FILE *f)
454 {
455 int i,j;
457 i=0;
458 while( cmds[i].name && !ferror(f) )
459 {
460 fprintf(f, "# %s\n", cmds[i].description);
461 fprintf(f, "key %s = ", cmds[i].name);
462 for(j=0; j<MAX_COMMAND_KEYS; j++)
463 {
464 if( j && cmds[i].keys[j] )
465 fprintf(f, ", ");
466 if( !j || cmds[i].keys[j] )
467 {
468 if( cmds[i].keys[j]<256 && (isalpha(cmds[i].keys[j]) ||
469 isdigit(cmds[i].keys[j])) )
470 fprintf(f, "\'%c\'", cmds[i].keys[j]);
471 else
472 fprintf(f, "%d", cmds[i].keys[j]);
473 }
474 }
475 fprintf(f,"\n\n");
476 i++;
477 }
478 return ferror(f);
479 }