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 <stdlib.h>
23 #include <string.h>
24 #include <glib.h>
25 #include <ncurses.h>
27 #include "config.h"
28 #ifndef DISABLE_SEARCH_SCREEN
29 #include "ncmpc.h"
30 #include "options.h"
31 #include "support.h"
32 #include "mpdclient.h"
33 #include "strfsong.h"
34 #include "command.h"
35 #include "screen.h"
36 #include "utils.h"
37 #include "screen_utils.h"
38 #include "screen_browse.h"
40 /* new search stuff with qball's libmpdclient */
41 #define FUTURE
44 #ifdef FUTURE
46 typedef struct
47 {
48 int id;
49 char *name;
50 char *localname;
51 } search_tag_t;
53 static search_tag_t search_tag[] = {
54 { MPD_TAG_ITEM_ARTIST, "artist", N_("artist") },
55 { MPD_TAG_ITEM_ALBUM, "album", N_("album") },
56 { MPD_TAG_ITEM_TITLE, "title", N_("title") },
57 { MPD_TAG_ITEM_TRACK, "track", N_("track") },
58 { MPD_TAG_ITEM_NAME, "name", N_("name") },
59 { MPD_TAG_ITEM_GENRE, "genre", N_("genre") },
60 { MPD_TAG_ITEM_DATE, "date", N_("date") },
61 { MPD_TAG_ITEM_COMPOSER, "composer", N_("composer") },
62 { MPD_TAG_ITEM_PERFORMER,"performer", N_("performer") },
63 { MPD_TAG_ITEM_COMMENT, "comment", N_("comment") },
64 { MPD_TAG_ITEM_FILENAME, "filename", N_("file") },
65 { -1, NULL, NULL }
66 };
68 static int
69 search_get_tag_id(char *name)
70 {
71 int i;
73 i=0;
74 while( search_tag[i].name )
75 {
76 if( strcasecmp(search_tag[i].name, name)==0 ||
77 strcasecmp(search_tag[i].localname, name)==0 )
78 return search_tag[i].id;
79 i++;
80 }
81 return -1;
82 }
84 #endif
87 #define SEARCH_TITLE 0
88 #define SEARCH_ARTIST 1
89 #define SEARCH_ALBUM 2
90 #define SEARCH_FILE 3
92 typedef struct {
93 int table;
94 char *label;
95 } search_type_t;
97 static search_type_t mode[] = {
98 { MPD_TABLE_TITLE, N_("Title") },
99 { MPD_TABLE_ARTIST, N_("Artist") },
100 { MPD_TABLE_ALBUM, N_("Album") },
101 { MPD_TABLE_FILENAME, N_("Filename") },
102 { 0, NULL }
103 };
105 static list_window_t *lw = NULL;
106 static mpdclient_filelist_t *filelist = NULL;
107 static GList *search_history = NULL;
108 static gchar *pattern = NULL;
109 static gboolean advanced_search_mode = FALSE;
112 /* search info */
113 static char *
114 lw_search_help_callback(int index, int *highlight, void *data)
115 {
116 int text_rows;
117 static char *text[] = {
118 "Welcome to ncmpc's search screen - SVN version.",
119 "",
120 "Quick search - just enter a string and ncmcp will search according",
121 " to the current search mode (displayed above).",
122 "",
123 "Advanced - bla bla bla.... syntax below",
124 ""
125 " <tag>:<search term> [<tag>:<search term>...]",
126 "",
127 "Example: artist:radiohead album:pablo honey",
128 "",
129 "##### SOMEONE - Write a proper help text, please! #####",
130 "",
131 "avalible tags: artist, album, title, track, name, genre, date",
132 " composer, performer, comment, file",
133 "",
134 NULL
135 };
137 text_rows=0;
138 while( text[text_rows] )
139 text_rows++;
141 if( index < text_rows )
142 return text[index];
143 return NULL;
144 }
146 /* the playlist have been updated -> fix highlights */
147 static void
148 playlist_changed_callback(mpdclient_t *c, int event, 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(screen_t *screen, mpdclient_t *c, gboolean clear_pattern)
180 {
181 if( filelist )
182 {
183 mpdclient_remove_playlist_callback(c, playlist_changed_callback);
184 filelist = mpdclient_filelist_free(filelist);
185 }
186 if( clear_pattern && pattern )
187 {
188 g_free(pattern);
189 pattern = NULL;
190 }
191 }
193 #ifdef FUTURE
194 /*-----------------------------------------------------------------------
195 * NOTE: This code exists to test a new search ui,
196 * Its ugly and MUST be redesigned before the next release!
197 *-----------------------------------------------------------------------
198 */
199 static mpdclient_filelist_t *
200 search_advanced_query(char *query, mpdclient_t *c)
201 {
202 int i,j;
203 char **strv;
204 int table[10];
205 char *arg[10];
206 mpdclient_filelist_t *filelist = NULL;
208 advanced_search_mode = FALSE;
209 if( g_strrstr(query, ":") == NULL )
210 return NULL;
212 strv = g_strsplit_set(query, ": ", 0);
214 i=0;
215 while( strv[i] )
216 {
217 D("strv[%d] = \"%s\"\n", i, strv[i]);
218 i++;
219 }
221 memset(table, 0, 10*sizeof(int));
222 memset(arg, 0, 10*sizeof(char *));
224 i=0;
225 j=0;
226 while( strv[i] && strlen(strv[i])>0 && i<9 )
227 {
228 D("strv[%d] = \"%s\"\n", i, strv[i]);
230 int id = search_get_tag_id(strv[i]);
231 if( id==-1 )
232 {
233 if( table[j] )
234 {
235 char *tmp = arg[j];
236 arg[j] = g_strdup_printf("%s %s", arg[j], strv[i]);
237 g_free(tmp);
238 }
239 else
240 {
241 D("Bad search tag %s\n", strv[i]);
242 screen_status_printf(_("Bad search tag %s"), strv[i]);
243 }
244 i++;
245 }
246 else if( strv[i+1] == NULL || strlen(strv[i+1])==0 )
247 {
248 D("No argument for search tag %s\n", strv[i]);
249 screen_status_printf(_("No argument for search tag %s"), strv[i]);
250 i++;
251 // j--;
252 //table[j] = -1;
253 }
254 else
255 {
256 table[j] = id;
257 arg[j] = locale_to_utf8(strv[i+1]); // FREE ME
258 j++;
259 table[j] = -1;
260 arg[j] = NULL;
261 i = i + 2;
262 advanced_search_mode = TRUE;
263 }
264 }
266 g_strfreev(strv);
269 if( advanced_search_mode && j>0 )
270 {
271 /*-----------------------------------------------------------------------
272 * NOTE (again): This code exists to test a new search ui,
273 * Its ugly and MUST be redesigned before the next release!
274 * + the code below should live in mpdclient.c
275 *-----------------------------------------------------------------------
276 */
277 mpd_InfoEntity *entity;
279 /** stupid - but this is just a test...... (fulhack) */
280 mpd_sendSearchTagCommand(c->connection,
281 table[0], arg[0],
282 table[1], arg[1],
283 table[2], arg[2],
284 table[3], arg[3],
285 table[4], arg[4],
286 table[5], arg[5],
287 table[6], arg[6],
288 table[7], arg[7],
289 table[8], arg[8],
290 table[9], arg[9]);
292 filelist = g_malloc0(sizeof(mpdclient_filelist_t));
294 while( (entity=mpd_getNextInfoEntity(c->connection)) )
295 {
296 filelist_entry_t *entry = g_malloc0(sizeof(filelist_entry_t));
298 entry->entity = entity;
299 filelist->list = g_list_append(filelist->list, (gpointer) entry);
300 filelist->length++;
301 }
303 if( mpdclient_finish_command(c) && filelist )
304 filelist = mpdclient_filelist_free(filelist);
306 filelist->updated = TRUE;
307 }
309 i=0;
310 while( arg[i] )
311 g_free(arg[i++]);
313 return filelist;
314 }
315 #else
316 #define search_advanced_query(pattern,c) (NULL)
317 #endif
319 static void
320 search_new(screen_t *screen, mpdclient_t *c)
321 {
322 search_clear(screen, c, TRUE);
324 pattern = screen_readln(screen->status_window.w,
325 _("Search: "),
326 NULL,
327 &search_history,
328 NULL);
330 if( pattern && strcmp(pattern,"")==0 )
331 {
332 g_free(pattern);
333 pattern=NULL;
334 }
336 if( pattern==NULL )
337 {
338 list_window_reset(lw);
339 return;
340 }
342 if( !MPD_VERSION_LT(c, 0, 12, 0) )
343 filelist = search_advanced_query(pattern, c);
344 if( !advanced_search_mode && filelist==NULL )
345 filelist = mpdclient_filelist_search(c,
346 FALSE,
347 mode[options.search_mode].table,
348 pattern);
349 sync_highlights(c, filelist);
350 mpdclient_install_playlist_callback(c, playlist_changed_callback);
351 list_window_check_selected(lw, filelist->length);
352 }
356 static void
357 init(WINDOW *w, int cols, int rows)
358 {
359 lw = list_window_init(w, cols, rows);
360 }
362 static void
363 quit(void)
364 {
365 if( search_history )
366 string_list_free(search_history);
367 if( filelist )
368 filelist = mpdclient_filelist_free(filelist);
369 list_window_free(lw);
370 if( pattern )
371 g_free(pattern);
372 pattern = NULL;
373 }
375 static void
376 open(screen_t *screen, mpdclient_t *c)
377 {
378 // if( pattern==NULL )
379 // search_new(screen, c);
380 // else
381 screen_status_printf(_("Press %s for a new search"),
382 get_key_names(CMD_SCREEN_SEARCH,0));
383 search_check_mode();
384 }
386 static void
387 resize(int cols, int rows)
388 {
389 lw->cols = cols;
390 lw->rows = rows;
391 }
393 static void
394 close(void)
395 {
396 }
398 static void
399 paint(screen_t *screen, mpdclient_t *c)
400 {
401 lw->clear = 1;
403 if( filelist )
404 {
405 lw->flags = 0;
406 list_window_paint(lw, browse_lw_callback, (void *) filelist);
407 filelist->updated = FALSE;
408 }
409 else
410 {
411 lw->flags = LW_HIDE_CURSOR;
412 list_window_paint(lw, lw_search_help_callback, NULL);
413 if( !MPD_VERSION_LT(c, 0, 12, 0) )
414 g_strdup_printf("Advanced search disabled (MPD version < 0.12.0");
415 // wmove(lw->w, 0, 0);
416 //wclrtobot(lw->w);
417 }
418 wnoutrefresh(lw->w);
419 }
421 static void
422 update(screen_t *screen, mpdclient_t *c)
423 {
424 if( filelist==NULL || filelist->updated )
425 {
426 paint(screen, c);
427 return;
428 }
429 list_window_paint(lw, browse_lw_callback, (void *) filelist);
430 wnoutrefresh(lw->w);
431 }
433 static char *
434 get_title(char *str, size_t size)
435 {
436 if( advanced_search_mode && pattern )
437 g_snprintf(str, size, _("Search: %s"), pattern);
438 else if( pattern )
439 g_snprintf(str, size,
440 _("Search: Results for %s [%s]"),
441 pattern,
442 _(mode[options.search_mode].label));
443 else
444 g_snprintf(str, size, _("Search: Press %s for a new search [%s]"),
445 get_key_names(CMD_SCREEN_SEARCH,0),
446 _(mode[options.search_mode].label));
448 return str;
449 }
451 static list_window_t *
452 get_filelist_window()
453 {
454 return lw;
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 return 1;
474 case CMD_SEARCH_MODE:
475 options.search_mode++;
476 if( mode[options.search_mode].label == NULL )
477 options.search_mode = 0;
478 screen_status_printf(_("Search mode: %s"),
479 _(mode[options.search_mode].label));
480 /* continue and update... */
481 case CMD_SCREEN_UPDATE:
482 if( pattern )
483 {
484 search_clear(screen, c, FALSE);
485 filelist = mpdclient_filelist_search(c,
486 FALSE,
487 mode[options.search_mode].table,
488 pattern);
489 sync_highlights(c, filelist);
490 }
491 return 1;
493 case CMD_SCREEN_SEARCH:
494 search_new(screen, c);
495 return 1;
497 case CMD_CLEAR:
498 search_clear(screen, c, TRUE);
499 list_window_reset(lw);
500 return 1;
502 case CMD_LIST_FIND:
503 case CMD_LIST_RFIND:
504 case CMD_LIST_FIND_NEXT:
505 case CMD_LIST_RFIND_NEXT:
506 if( filelist )
507 return screen_find(screen, c,
508 lw, filelist->length,
509 cmd, browse_lw_callback, (void *) filelist);
510 else
511 return 1;
513 case CMD_MOUSE_EVENT:
514 return browse_handle_mouse_event(screen,c,lw,filelist);
516 default:
517 if( filelist )
518 return list_window_cmd(lw, filelist->length, cmd);
519 }
521 return 0;
522 }
524 screen_functions_t *
525 get_screen_search(void)
526 {
527 static screen_functions_t functions;
529 memset(&functions, 0, sizeof(screen_functions_t));
530 functions.init = init;
531 functions.exit = quit;
532 functions.open = open;
533 functions.close = close;
534 functions.resize = resize;
535 functions.paint = paint;
536 functions.update = update;
537 functions.cmd = search_cmd;
538 functions.get_lw = get_filelist_window;
539 functions.get_title = get_title;
541 return &functions;
542 }
545 #endif /* ENABLE_SEARCH_SCREEN */