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 "config.h"
23 #ifndef DISABLE_SEARCH_SCREEN
24 #include "ncmpc.h"
25 #include "options.h"
26 #include "support.h"
27 #include "mpdclient.h"
28 #include "strfsong.h"
29 #include "command.h"
30 #include "screen.h"
31 #include "utils.h"
32 #include "screen_utils.h"
33 #include "screen_browse.h"
34 #include "gcc.h"
36 #include <ctype.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <glib.h>
40 #include <ncurses.h>
42 /* new search stuff with qball's libmpdclient */
43 #define FUTURE
46 #ifdef FUTURE
48 extern gint mpdclient_finish_command(mpdclient_t *c);
50 typedef struct {
51 int id;
52 const char *name;
53 const char *localname;
54 } search_tag_t;
56 static search_tag_t search_tag[] = {
57 { MPD_TAG_ITEM_ARTIST, "artist", N_("artist") },
58 { MPD_TAG_ITEM_ALBUM, "album", N_("album") },
59 { MPD_TAG_ITEM_TITLE, "title", N_("title") },
60 { MPD_TAG_ITEM_TRACK, "track", N_("track") },
61 { MPD_TAG_ITEM_NAME, "name", N_("name") },
62 { MPD_TAG_ITEM_GENRE, "genre", N_("genre") },
63 { MPD_TAG_ITEM_DATE, "date", N_("date") },
64 { MPD_TAG_ITEM_COMPOSER, "composer", N_("composer") },
65 { MPD_TAG_ITEM_PERFORMER,"performer", N_("performer") },
66 { MPD_TAG_ITEM_COMMENT, "comment", N_("comment") },
67 { MPD_TAG_ITEM_FILENAME, "filename", N_("file") },
68 { -1, NULL, NULL }
69 };
71 static int
72 search_get_tag_id(char *name)
73 {
74 int i;
76 i=0;
77 while( search_tag[i].name )
78 {
79 if( strcasecmp(search_tag[i].name, name)==0 ||
80 strcasecmp(search_tag[i].localname, name)==0 )
81 return search_tag[i].id;
82 i++;
83 }
84 return -1;
85 }
87 #endif
90 #define SEARCH_TITLE 0
91 #define SEARCH_ARTIST 1
92 #define SEARCH_ALBUM 2
93 #define SEARCH_FILE 3
95 #define SEARCH_ARTIST_TITLE 999
97 typedef struct {
98 int table;
99 const char *label;
100 } search_type_t;
102 static search_type_t mode[] = {
103 { MPD_TABLE_TITLE, N_("Title") },
104 { MPD_TABLE_ARTIST, N_("Artist") },
105 { MPD_TABLE_ALBUM, N_("Album") },
106 { MPD_TABLE_FILENAME, N_("Filename") },
107 { SEARCH_ARTIST_TITLE, N_("Artist + Title") },
108 { 0, NULL }
109 };
111 static list_window_t *lw = NULL;
112 static mpdclient_filelist_t *filelist = NULL;
113 static GList *search_history = NULL;
114 static gchar *pattern = NULL;
115 static gboolean advanced_search_mode = FALSE;
118 /* search info */
119 static const char *
120 lw_search_help_callback(unsigned idx, mpd_unused int *highlight,
121 mpd_unused void *data)
122 {
123 unsigned text_rows;
124 static const char *text[] = {
125 "Quick - just enter a string and ncmpc will search according",
126 " to the current search mode (displayed above).",
127 "",
128 "Advanced - <tag>:<search term> [<tag>:<search term>...]",
129 " Example: artist:radiohead album:pablo honey",
130 "",
131 " avalible tags: artist, album, title, track,",
132 " name, genre, date composer, performer, comment, file",
133 "",
134 NULL
135 };
137 text_rows=0;
138 while (text[text_rows])
139 text_rows++;
141 if (idx < text_rows)
142 return text[idx];
143 return NULL;
144 }
146 /* the playlist have been updated -> fix highlights */
147 static void
148 playlist_changed_callback(mpdclient_t *c, int event, mpd_unused gpointer data)
149 {
150 if( filelist==NULL )
151 return;
152 D("screen_search.c> playlist_callback() [%d]\n", event);
153 switch(event)
154 {
155 case PLAYLIST_EVENT_CLEAR:
156 clear_highlights(filelist);
157 break;
158 default:
159 sync_highlights(c, filelist);
160 break;
161 }
162 }
164 /* sanity check search mode value */
165 static void
166 search_check_mode(void)
167 {
168 int max = 0;
170 while( mode[max].label != NULL )
171 max++;
172 if( options.search_mode<0 )
173 options.search_mode = 0;
174 else if( options.search_mode>=max )
175 options.search_mode = max-1;
176 }
178 static void
179 search_clear(mpd_unused screen_t *screen, mpdclient_t *c,
180 gboolean clear_pattern)
181 {
182 if (filelist) {
183 mpdclient_remove_playlist_callback(c, playlist_changed_callback);
184 mpdclient_filelist_free(filelist);
185 filelist = NULL;
186 }
187 if (clear_pattern && pattern) {
188 g_free(pattern);
189 pattern = NULL;
190 }
191 }
193 #ifdef FUTURE
194 static mpdclient_filelist_t *
195 filelist_search(mpdclient_t *c, mpd_unused int exact_match, int table,
196 gchar *local_pattern)
197 {
198 mpdclient_filelist_t *list, *list2;
200 if( table == SEARCH_ARTIST_TITLE )
201 {
202 list = mpdclient_filelist_search(c, FALSE, MPD_TABLE_ARTIST,
203 local_pattern);
204 list2 = mpdclient_filelist_search(c, FALSE, MPD_TABLE_TITLE,
205 local_pattern);
207 list->length += list2->length;
208 list->list = g_list_concat(list->list, list2->list);
209 list->list = g_list_sort(list->list, compare_filelistentry_format);
210 list->updated = TRUE;
211 }
212 else
213 {
214 list = mpdclient_filelist_search(c, FALSE, table, local_pattern);
215 }
217 return list;
218 }
220 /*-----------------------------------------------------------------------
221 * NOTE: This code exists to test a new search ui,
222 * Its ugly and MUST be redesigned before the next release!
223 *-----------------------------------------------------------------------
224 */
225 static mpdclient_filelist_t *
226 search_advanced_query(char *query, mpdclient_t *c)
227 {
228 int i,j;
229 char **strv;
230 int table[10];
231 char *arg[10];
232 mpdclient_filelist_t *fl = NULL;
234 advanced_search_mode = FALSE;
235 if( g_strrstr(query, ":") == NULL )
236 return NULL;
238 strv = g_strsplit_set(query, ": ", 0);
240 i=0;
241 while (strv[i]) {
242 D("strv[%d] = \"%s\"\n", i, strv[i]);
243 i++;
244 }
246 memset(table, 0, 10*sizeof(int));
247 memset(arg, 0, 10*sizeof(char *));
249 i=0;
250 j=0;
251 while (strv[i] && strlen(strv[i]) > 0 && i < 9) {
252 int id = search_get_tag_id(strv[i]);
253 if (id == -1) {
254 if (table[j]) {
255 char *tmp = arg[j];
256 arg[j] = g_strdup_printf("%s %s", arg[j], strv[i]);
257 g_free(tmp);
258 } else {
259 D("Bad search tag %s\n", strv[i]);
260 screen_status_printf(_("Bad search tag %s"), strv[i]);
261 }
262 i++;
263 } else if (strv[i+1] == NULL || strlen(strv[i+1]) == 0) {
264 D("No argument for search tag %s\n", strv[i]);
265 screen_status_printf(_("No argument for search tag %s"), strv[i]);
266 i++;
267 // j--;
268 //table[j] = -1;
269 } else {
270 table[j] = id;
271 arg[j] = locale_to_utf8(strv[i+1]); // FREE ME
272 j++;
273 table[j] = -1;
274 arg[j] = NULL;
275 i = i + 2;
276 advanced_search_mode = TRUE;
277 }
278 }
280 g_strfreev(strv);
283 if (advanced_search_mode && j > 0) {
284 int iter;
285 mpd_InfoEntity *entity;
287 /*-----------------------------------------------------------------------
288 * NOTE (again): This code exists to test a new search ui,
289 * Its ugly and MUST be redesigned before the next release!
290 * + the code below should live in mpdclient.c
291 *-----------------------------------------------------------------------
292 */
293 /** stupid - but this is just a test...... (fulhack) */
294 mpd_startSearch(c->connection, FALSE);
296 for(iter = 0; iter < 10; iter++) {
297 mpd_addConstraintSearch(c->connection, table[iter], arg[iter]);
298 }
300 mpd_commitSearch(c->connection);
302 fl = g_malloc0(sizeof(mpdclient_filelist_t));
304 while ((entity=mpd_getNextInfoEntity(c->connection))) {
305 filelist_entry_t *entry = g_malloc0(sizeof(filelist_entry_t));
307 entry->entity = entity;
308 fl->list = g_list_append(fl->list, (gpointer) entry);
309 fl->length++;
310 }
312 if (mpdclient_finish_command(c) && fl)
313 mpdclient_filelist_free(fl);
315 fl->updated = TRUE;
316 }
318 i=0;
319 while( arg[i] )
320 g_free(arg[i++]);
322 return fl;
323 }
324 #else
325 #define search_advanced_query(pattern,c) (NULL)
326 #endif
328 static void
329 search_new(screen_t *screen, mpdclient_t *c)
330 {
331 search_clear(screen, c, TRUE);
333 pattern = screen_readln(screen->status_window.w,
334 _("Search: "),
335 NULL,
336 &search_history,
337 NULL);
339 if( pattern && strcmp(pattern,"")==0 )
340 {
341 g_free(pattern);
342 pattern=NULL;
343 }
345 if( pattern==NULL )
346 {
347 list_window_reset(lw);
348 return;
349 }
351 if( !MPD_VERSION_LT(c, 0, 12, 0) )
352 filelist = search_advanced_query(pattern, c);
353 if( !advanced_search_mode && filelist==NULL )
354 filelist = filelist_search(c,
355 FALSE,
356 mode[options.search_mode].table,
357 pattern);
358 sync_highlights(c, filelist);
359 mpdclient_install_playlist_callback(c, playlist_changed_callback);
360 list_window_check_selected(lw, filelist->length);
361 }
365 static void
366 init(WINDOW *w, int cols, int rows)
367 {
368 lw = list_window_init(w, cols, rows);
369 }
371 static void
372 quit(void)
373 {
374 if (search_history)
375 string_list_free(search_history);
376 if (filelist)
377 mpdclient_filelist_free(filelist);
378 list_window_free(lw);
380 if (pattern) {
381 g_free(pattern);
382 pattern = NULL;
383 }
384 }
386 static void
387 open(mpd_unused screen_t *screen, mpd_unused mpdclient_t *c)
388 {
389 // if( pattern==NULL )
390 // search_new(screen, c);
391 // else
392 screen_status_printf(_("Press %s for a new search"),
393 get_key_names(CMD_SCREEN_SEARCH,0));
394 search_check_mode();
395 }
397 static void
398 resize(int cols, int rows)
399 {
400 lw->cols = cols;
401 lw->rows = rows;
402 }
404 static void
405 paint(mpd_unused screen_t *screen, mpdclient_t *c)
406 {
407 lw->clear = 1;
409 if( filelist )
410 {
411 lw->flags = 0;
412 list_window_paint(lw, browse_lw_callback, (void *) filelist);
413 filelist->updated = FALSE;
414 }
415 else
416 {
417 lw->flags = LW_HIDE_CURSOR;
418 list_window_paint(lw, lw_search_help_callback, NULL);
419 if( !MPD_VERSION_LT(c, 0, 12, 0) )
420 g_strdup_printf("Advanced search disabled (MPD version < 0.12.0");
421 // wmove(lw->w, 0, 0);
422 //wclrtobot(lw->w);
423 }
424 wnoutrefresh(lw->w);
425 }
427 static void
428 update(screen_t *screen, mpdclient_t *c)
429 {
430 if( filelist==NULL || filelist->updated )
431 {
432 paint(screen, c);
433 return;
434 }
435 list_window_paint(lw, browse_lw_callback, (void *) filelist);
436 wnoutrefresh(lw->w);
437 }
439 static const char *
440 get_title(char *str, size_t size)
441 {
442 if( advanced_search_mode && pattern )
443 g_snprintf(str, size, _("Search: %s"), pattern);
444 else if( pattern )
445 g_snprintf(str, size,
446 _("Search: Results for %s [%s]"),
447 pattern,
448 _(mode[options.search_mode].label));
449 else
450 g_snprintf(str, size, _("Search: Press %s for a new search [%s]"),
451 get_key_names(CMD_SCREEN_SEARCH,0),
452 _(mode[options.search_mode].label));
454 return str;
455 }
457 static int
458 search_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
459 {
460 switch(cmd)
461 {
462 case CMD_PLAY:
463 browse_handle_enter(screen, c, lw, filelist);
464 return 1;
466 case CMD_SELECT:
467 if( browse_handle_select(screen, c, lw, filelist) == 0 )
468 {
469 /* continue and select next item... */
470 cmd = CMD_LIST_NEXT;
471 }
472 /* call list_window_cmd to go to the next item */
473 return list_window_cmd(lw, filelist->length, cmd);
475 case CMD_SELECT_ALL:
476 browse_handle_select_all (screen, c, lw, filelist);
477 paint (screen, c);
478 return 0;
480 case CMD_SEARCH_MODE:
481 options.search_mode++;
482 if( mode[options.search_mode].label == NULL )
483 options.search_mode = 0;
484 screen_status_printf(_("Search mode: %s"),
485 _(mode[options.search_mode].label));
486 /* continue and update... */
487 case CMD_SCREEN_UPDATE:
488 if( pattern )
489 {
490 search_clear(screen, c, FALSE);
491 filelist = filelist_search(c,
492 FALSE,
493 mode[options.search_mode].table,
494 pattern);
495 sync_highlights(c, filelist);
496 }
497 return 1;
499 case CMD_SCREEN_SEARCH:
500 search_new(screen, c);
501 return 1;
503 case CMD_CLEAR:
504 search_clear(screen, c, TRUE);
505 list_window_reset(lw);
506 return 1;
508 case CMD_LIST_FIND:
509 case CMD_LIST_RFIND:
510 case CMD_LIST_FIND_NEXT:
511 case CMD_LIST_RFIND_NEXT:
512 if( filelist )
513 return screen_find(screen,
514 lw, filelist->length,
515 cmd, browse_lw_callback, (void *) filelist);
516 else
517 return 1;
519 case CMD_MOUSE_EVENT:
520 return browse_handle_mouse_event(screen,c,lw,filelist);
522 default:
523 if( filelist )
524 return list_window_cmd(lw, filelist->length, cmd);
525 }
527 return 0;
528 }
530 const struct screen_functions screen_search = {
531 .init = init,
532 .exit = quit,
533 .open = open,
534 .resize = resize,
535 .paint = paint,
536 .update = update,
537 .cmd = search_cmd,
538 .get_title = get_title,
539 };
541 #endif /* ENABLE_SEARCH_SCREEN */