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"
35 #include <ctype.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <glib.h>
39 #include <ncurses.h>
41 /* new search stuff with qball's libmpdclient */
42 #define FUTURE
45 #ifdef FUTURE
47 extern gint mpdclient_finish_command(mpdclient_t *c);
49 typedef struct {
50 int id;
51 const char *name;
52 const char *localname;
53 } search_tag_t;
55 static search_tag_t search_tag[] = {
56 { MPD_TAG_ITEM_ARTIST, "artist", N_("artist") },
57 { MPD_TAG_ITEM_ALBUM, "album", N_("album") },
58 { MPD_TAG_ITEM_TITLE, "title", N_("title") },
59 { MPD_TAG_ITEM_TRACK, "track", N_("track") },
60 { MPD_TAG_ITEM_NAME, "name", N_("name") },
61 { MPD_TAG_ITEM_GENRE, "genre", N_("genre") },
62 { MPD_TAG_ITEM_DATE, "date", N_("date") },
63 { MPD_TAG_ITEM_COMPOSER, "composer", N_("composer") },
64 { MPD_TAG_ITEM_PERFORMER,"performer", N_("performer") },
65 { MPD_TAG_ITEM_COMMENT, "comment", N_("comment") },
66 { MPD_TAG_ITEM_FILENAME, "filename", N_("file") },
67 { -1, NULL, NULL }
68 };
70 static int
71 search_get_tag_id(char *name)
72 {
73 int i;
75 i=0;
76 while( search_tag[i].name )
77 {
78 if( strcasecmp(search_tag[i].name, name)==0 ||
79 strcasecmp(search_tag[i].localname, name)==0 )
80 return search_tag[i].id;
81 i++;
82 }
83 return -1;
84 }
86 #endif
89 #define SEARCH_TITLE 0
90 #define SEARCH_ARTIST 1
91 #define SEARCH_ALBUM 2
92 #define SEARCH_FILE 3
94 #define SEARCH_ARTIST_TITLE 999
96 typedef struct {
97 int table;
98 const char *label;
99 } search_type_t;
101 static search_type_t mode[] = {
102 { MPD_TABLE_TITLE, N_("Title") },
103 { MPD_TABLE_ARTIST, N_("Artist") },
104 { MPD_TABLE_ALBUM, N_("Album") },
105 { MPD_TABLE_FILENAME, N_("Filename") },
106 { SEARCH_ARTIST_TITLE, N_("Artist + Title") },
107 { 0, NULL }
108 };
110 static list_window_t *lw = NULL;
111 static mpdclient_filelist_t *filelist = NULL;
112 static GList *search_history = NULL;
113 static gchar *pattern = NULL;
114 static gboolean advanced_search_mode = FALSE;
117 /* search info */
118 static const char *
119 lw_search_help_callback(int idx, int *highlight, void *data)
120 {
121 int text_rows;
122 static const char *text[] = {
123 "Quick - just enter a string and ncmpc will search according",
124 " to the current search mode (displayed above).",
125 "",
126 "Advanced - <tag>:<search term> [<tag>:<search term>...]",
127 " Example: artist:radiohead album:pablo honey",
128 "",
129 " avalible tags: artist, album, title, track,",
130 " name, genre, date composer, performer, comment, file",
131 "",
132 NULL
133 };
135 text_rows=0;
136 while (text[text_rows])
137 text_rows++;
139 if (idx < text_rows)
140 return text[idx];
141 return NULL;
142 }
144 /* the playlist have been updated -> fix highlights */
145 static void
146 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
147 {
148 if( filelist==NULL )
149 return;
150 D("screen_search.c> playlist_callback() [%d]\n", event);
151 switch(event)
152 {
153 case PLAYLIST_EVENT_CLEAR:
154 clear_highlights(filelist);
155 break;
156 default:
157 sync_highlights(c, filelist);
158 break;
159 }
160 }
162 /* sanity check search mode value */
163 static void
164 search_check_mode(void)
165 {
166 int max = 0;
168 while( mode[max].label != NULL )
169 max++;
170 if( options.search_mode<0 )
171 options.search_mode = 0;
172 else if( options.search_mode>=max )
173 options.search_mode = max-1;
174 }
176 static void
177 search_clear(screen_t *screen, mpdclient_t *c, gboolean clear_pattern)
178 {
179 if( filelist )
180 {
181 mpdclient_remove_playlist_callback(c, playlist_changed_callback);
182 filelist = mpdclient_filelist_free(filelist);
183 }
184 if( clear_pattern && pattern )
185 {
186 g_free(pattern);
187 pattern = NULL;
188 }
189 }
191 #ifdef FUTURE
192 static mpdclient_filelist_t *
193 filelist_search(mpdclient_t *c, int exact_match, int table,
194 gchar *local_pattern)
195 {
196 mpdclient_filelist_t *list, *list2;
198 if( table == SEARCH_ARTIST_TITLE )
199 {
200 list = mpdclient_filelist_search(c, FALSE, MPD_TABLE_ARTIST,
201 local_pattern);
202 list2 = mpdclient_filelist_search(c, FALSE, MPD_TABLE_TITLE,
203 local_pattern);
205 list->length += list2->length;
206 list->list = g_list_concat(list->list, list2->list);
207 list->list = g_list_sort(list->list, compare_filelistentry_format);
208 list->updated = TRUE;
209 }
210 else
211 {
212 list = mpdclient_filelist_search(c, FALSE, table, local_pattern);
213 }
215 return list;
216 }
218 /*-----------------------------------------------------------------------
219 * NOTE: This code exists to test a new search ui,
220 * Its ugly and MUST be redesigned before the next release!
221 *-----------------------------------------------------------------------
222 */
223 static mpdclient_filelist_t *
224 search_advanced_query(char *query, mpdclient_t *c)
225 {
226 int i,j;
227 char **strv;
228 int table[10];
229 char *arg[10];
230 mpdclient_filelist_t *fl = NULL;
232 advanced_search_mode = FALSE;
233 if( g_strrstr(query, ":") == NULL )
234 return NULL;
236 strv = g_strsplit_set(query, ": ", 0);
238 i=0;
239 while (strv[i]) {
240 D("strv[%d] = \"%s\"\n", i, strv[i]);
241 i++;
242 }
244 memset(table, 0, 10*sizeof(int));
245 memset(arg, 0, 10*sizeof(char *));
247 i=0;
248 j=0;
249 while (strv[i] && strlen(strv[i]) > 0 && i < 9) {
250 D("strv[%d] = \"%s\"\n", i, strv[i]);
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 /*-----------------------------------------------------------------------
285 * NOTE (again): This code exists to test a new search ui,
286 * Its ugly and MUST be redesigned before the next release!
287 * + the code below should live in mpdclient.c
288 *-----------------------------------------------------------------------
289 */
290 /** stupid - but this is just a test...... (fulhack) */
291 mpd_startSearch(c->connection, FALSE);
293 int iter;
294 for(iter = 0; iter < 10; iter++) {
295 mpd_addConstraintSearch(c->connection, table[iter], arg[iter]);
296 }
298 mpd_commitSearch(c->connection);
300 fl = g_malloc0(sizeof(mpdclient_filelist_t));
302 mpd_InfoEntity *entity;
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 fl = 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 filelist = mpdclient_filelist_free(filelist);
378 list_window_free(lw);
379 if( pattern )
380 g_free(pattern);
381 pattern = NULL;
382 }
384 static void
385 open(screen_t *screen, mpdclient_t *c)
386 {
387 // if( pattern==NULL )
388 // search_new(screen, c);
389 // else
390 screen_status_printf(_("Press %s for a new search"),
391 get_key_names(CMD_SCREEN_SEARCH,0));
392 search_check_mode();
393 }
395 static void
396 resize(int cols, int rows)
397 {
398 lw->cols = cols;
399 lw->rows = rows;
400 }
402 static void
403 close(void)
404 {
405 }
407 static void
408 paint(screen_t *screen, mpdclient_t *c)
409 {
410 lw->clear = 1;
412 if( filelist )
413 {
414 lw->flags = 0;
415 list_window_paint(lw, browse_lw_callback, (void *) filelist);
416 filelist->updated = FALSE;
417 }
418 else
419 {
420 lw->flags = LW_HIDE_CURSOR;
421 list_window_paint(lw, lw_search_help_callback, NULL);
422 if( !MPD_VERSION_LT(c, 0, 12, 0) )
423 g_strdup_printf("Advanced search disabled (MPD version < 0.12.0");
424 // wmove(lw->w, 0, 0);
425 //wclrtobot(lw->w);
426 }
427 wnoutrefresh(lw->w);
428 }
430 static void
431 update(screen_t *screen, mpdclient_t *c)
432 {
433 if( filelist==NULL || filelist->updated )
434 {
435 paint(screen, c);
436 return;
437 }
438 list_window_paint(lw, browse_lw_callback, (void *) filelist);
439 wnoutrefresh(lw->w);
440 }
442 static const char *
443 get_title(char *str, size_t size)
444 {
445 if( advanced_search_mode && pattern )
446 g_snprintf(str, size, _("Search: %s"), pattern);
447 else if( pattern )
448 g_snprintf(str, size,
449 _("Search: Results for %s [%s]"),
450 pattern,
451 _(mode[options.search_mode].label));
452 else
453 g_snprintf(str, size, _("Search: Press %s for a new search [%s]"),
454 get_key_names(CMD_SCREEN_SEARCH,0),
455 _(mode[options.search_mode].label));
457 return str;
458 }
460 static list_window_t *
461 get_filelist_window(void)
462 {
463 return lw;
464 }
466 static int
467 search_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
468 {
469 switch(cmd)
470 {
471 case CMD_PLAY:
472 browse_handle_enter(screen, c, lw, filelist);
473 return 1;
475 case CMD_SELECT:
476 if( browse_handle_select(screen, c, lw, filelist) == 0 )
477 {
478 /* continue and select next item... */
479 cmd = CMD_LIST_NEXT;
480 }
481 /* call list_window_cmd to go to the next item */
482 return list_window_cmd(lw, filelist->length, cmd);
484 case CMD_SELECT_ALL:
485 browse_handle_select_all (screen, c, lw, filelist);
486 paint (screen, c);
487 return 0;
489 case CMD_SEARCH_MODE:
490 options.search_mode++;
491 if( mode[options.search_mode].label == NULL )
492 options.search_mode = 0;
493 screen_status_printf(_("Search mode: %s"),
494 _(mode[options.search_mode].label));
495 /* continue and update... */
496 case CMD_SCREEN_UPDATE:
497 if( pattern )
498 {
499 search_clear(screen, c, FALSE);
500 filelist = filelist_search(c,
501 FALSE,
502 mode[options.search_mode].table,
503 pattern);
504 sync_highlights(c, filelist);
505 }
506 return 1;
508 case CMD_SCREEN_SEARCH:
509 search_new(screen, c);
510 return 1;
512 case CMD_CLEAR:
513 search_clear(screen, c, TRUE);
514 list_window_reset(lw);
515 return 1;
517 case CMD_LIST_FIND:
518 case CMD_LIST_RFIND:
519 case CMD_LIST_FIND_NEXT:
520 case CMD_LIST_RFIND_NEXT:
521 if( filelist )
522 return screen_find(screen,
523 lw, filelist->length,
524 cmd, browse_lw_callback, (void *) filelist);
525 else
526 return 1;
528 case CMD_MOUSE_EVENT:
529 return browse_handle_mouse_event(screen,c,lw,filelist);
531 default:
532 if( filelist )
533 return list_window_cmd(lw, filelist->length, cmd);
534 }
536 return 0;
537 }
539 screen_functions_t *
540 get_screen_search(void)
541 {
542 static screen_functions_t functions;
544 memset(&functions, 0, sizeof(screen_functions_t));
545 functions.init = init;
546 functions.exit = quit;
547 functions.open = open;
548 functions.close = close;
549 functions.resize = resize;
550 functions.paint = paint;
551 functions.update = update;
552 functions.cmd = search_cmd;
553 functions.get_lw = get_filelist_window;
554 functions.get_title = get_title;
556 return &functions;
557 }
560 #endif /* ENABLE_SEARCH_SCREEN */