1 /* ncmpc (Ncurses MPD Client)
2 * (c) 2004-2009 The Music Player Daemon Project
3 * Project homepage: http://musicpd.org
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
20 #include "i18n.h"
21 #include "options.h"
22 #include "charset.h"
23 #include "mpdclient.h"
24 #include "strfsong.h"
25 #include "command.h"
26 #include "screen.h"
27 #include "utils.h"
28 #include "screen_utils.h"
29 #include "screen_browser.h"
30 #include "filelist.h"
32 #include <ctype.h>
33 #include <stdlib.h>
34 #include <string.h>
35 #include <glib.h>
37 enum {
38 SEARCH_URI = MPD_TAG_COUNT + 100,
39 };
41 static const struct {
42 const char *name;
43 const char *localname;
44 } search_tag[MPD_TAG_COUNT] = {
45 [MPD_TAG_ARTIST] = { "artist", N_("artist") },
46 [MPD_TAG_ALBUM] = { "album", N_("album") },
47 [MPD_TAG_TITLE] = { "title", N_("title") },
48 [MPD_TAG_TRACK] = { "track", N_("track") },
49 [MPD_TAG_NAME] = { "name", N_("name") },
50 [MPD_TAG_GENRE] = { "genre", N_("genre") },
51 [MPD_TAG_DATE] = { "date", N_("date") },
52 [MPD_TAG_COMPOSER] = { "composer", N_("composer") },
53 [MPD_TAG_PERFORMER] = { "performer", N_("performer") },
54 [MPD_TAG_COMMENT] = { "comment", N_("comment") },
55 };
57 static int
58 search_get_tag_id(const char *name)
59 {
60 unsigned i;
62 if (g_ascii_strcasecmp(name, "file") == 0 ||
63 strcasecmp(name, _("file")) == 0)
64 return SEARCH_URI;
66 for (i = 0; i < MPD_TAG_COUNT; ++i)
67 if (search_tag[i].name != NULL &&
68 (strcasecmp(search_tag[i].name, name) == 0 ||
69 strcasecmp(search_tag[i].localname, name) == 0))
70 return i;
72 return -1;
73 }
75 #define SEARCH_ARTIST_TITLE 999
77 typedef struct {
78 enum mpd_tag_type table;
79 const char *label;
80 } search_type_t;
82 static search_type_t mode[] = {
83 { MPD_TAG_TITLE, N_("Title") },
84 { MPD_TAG_ARTIST, N_("Artist") },
85 { MPD_TAG_ALBUM, N_("Album") },
86 { SEARCH_URI, N_("file") },
87 { SEARCH_ARTIST_TITLE, N_("Artist + Title") },
88 { 0, NULL }
89 };
91 static GList *search_history = NULL;
92 static gchar *pattern = NULL;
93 static gboolean advanced_search_mode = FALSE;
95 static struct screen_browser browser;
98 /* search info */
99 static const char *
100 lw_search_help_callback(unsigned idx, G_GNUC_UNUSED bool *highlight,
101 G_GNUC_UNUSED char** sc, G_GNUC_UNUSED void *data)
102 {
103 unsigned text_rows;
104 static const char *text[] = {
105 "Quick - Enter a string and ncmpc will search according",
106 " to the current search mode (displayed above).",
107 "",
108 "Advanced - <tag>:<search term> [<tag>:<search term>...]",
109 " Example: artist:radiohead album:pablo honey",
110 "",
111 " Available tags: artist, album, title, track,",
112 " name, genre, date composer, performer, comment, file",
113 "",
114 NULL
115 };
117 text_rows=0;
118 while (text[text_rows])
119 text_rows++;
121 if (idx < text_rows)
122 return text[idx];
123 return NULL;
124 }
126 static void
127 paint(void);
129 static void
130 search_repaint(void)
131 {
132 paint();
133 wrefresh(browser.lw->w);
134 }
136 static void
137 search_repaint_if_active(void)
138 {
139 if (screen_is_visible(&screen_search))
140 search_repaint();
141 }
143 /* the playlist has been updated -> fix highlights */
144 static void
145 playlist_changed_callback(struct mpdclient *c, int event, gpointer data)
146 {
147 browser_playlist_changed(&browser, c, event, data);
148 search_repaint_if_active();
149 }
151 /* sanity check search mode value */
152 static void
153 search_check_mode(void)
154 {
155 int max = 0;
157 while (mode[max].label != NULL)
158 max++;
159 if (options.search_mode < 0)
160 options.search_mode = 0;
161 else if (options.search_mode >= max)
162 options.search_mode = max-1;
163 }
165 static void
166 search_clear(struct mpdclient *c,
167 gboolean clear_pattern)
168 {
169 if (browser.filelist) {
170 mpdclient_remove_playlist_callback(c, playlist_changed_callback);
171 filelist_free(browser.filelist);
172 browser.filelist = filelist_new();
173 }
174 if (clear_pattern && pattern) {
175 g_free(pattern);
176 pattern = NULL;
177 }
178 }
180 static struct filelist *
181 filelist_search(struct mpdclient *c, G_GNUC_UNUSED int exact_match, int table,
182 gchar *local_pattern)
183 {
184 struct filelist *list, *list2;
185 gchar *filter_utf8 = locale_to_utf8(local_pattern);
187 if (table == SEARCH_ARTIST_TITLE) {
188 list = mpdclient_filelist_search(c, FALSE, MPD_TAG_ARTIST,
189 filter_utf8);
190 if (list == NULL)
191 list = filelist_new();
193 list2 = mpdclient_filelist_search(c, FALSE, MPD_TAG_TITLE,
194 filter_utf8);
195 if (list2 != NULL) {
196 filelist_move(list, list2);
197 filelist_free(list2);
198 }
200 filelist_sort_all(list, compare_filelistentry_format);
201 } else {
202 list = mpdclient_filelist_search(c, FALSE, table, filter_utf8);
203 if (list == NULL)
204 list = filelist_new();
205 }
207 g_free(filter_utf8);
208 return list;
209 }
211 /*-----------------------------------------------------------------------
212 * NOTE: This code exists to test a new search ui,
213 * Its ugly and MUST be redesigned before the next release!
214 *-----------------------------------------------------------------------
215 */
216 static struct filelist *
217 search_advanced_query(char *query, struct mpdclient *c)
218 {
219 int i,j;
220 char **strv;
221 int table[10];
222 char *arg[10];
223 struct filelist *fl = NULL;
225 advanced_search_mode = FALSE;
226 if( g_strrstr(query, ":") == NULL )
227 return NULL;
229 strv = g_strsplit_set(query, ": ", 0);
231 i=0;
232 while (strv[i]) {
233 i++;
234 }
236 memset(table, 0, 10*sizeof(int));
237 memset(arg, 0, 10*sizeof(char *));
239 i=0;
240 j=0;
241 while (strv[i] && strlen(strv[i]) > 0 && i < 9) {
242 int id = search_get_tag_id(strv[i]);
243 if (id == -1) {
244 if (table[j]) {
245 char *tmp = arg[j];
246 arg[j] = g_strdup_printf("%s %s", arg[j], strv[i]);
247 g_free(tmp);
248 } else {
249 screen_status_printf(_("Bad search tag %s"), strv[i]);
250 }
251 i++;
252 } else if (strv[i+1] == NULL || strlen(strv[i+1]) == 0) {
253 screen_status_printf(_("No argument for search tag %s"), strv[i]);
254 i++;
255 // j--;
256 //table[j] = -1;
257 } else {
258 table[j] = id;
259 arg[j] = locale_to_utf8(strv[i+1]); // FREE ME
260 j++;
261 table[j] = -1;
262 arg[j] = NULL;
263 i = i + 2;
264 advanced_search_mode = TRUE;
265 }
266 }
268 g_strfreev(strv);
271 if (advanced_search_mode && j > 0) {
272 int iter;
273 struct mpd_entity *entity;
275 /*-----------------------------------------------------------------------
276 * NOTE (again): This code exists to test a new search ui,
277 * Its ugly and MUST be redesigned before the next release!
278 * + the code below should live in mpdclient.c
279 *-----------------------------------------------------------------------
280 */
281 /** stupid - but this is just a test...... (fulhack) */
282 mpd_search_db_songs(c->connection, false);
284 for(iter = 0; iter < 10 && arg[iter] != NULL; iter++) {
285 if (table[iter] == SEARCH_URI)
286 mpd_search_add_uri_constraint(c->connection,
287 MPD_OPERATOR_DEFAULT,
288 arg[iter]);
289 else
290 mpd_search_add_tag_constraint(c->connection,
291 MPD_OPERATOR_DEFAULT,
292 table[iter], arg[iter]);
293 }
295 mpd_search_commit(c->connection);
297 fl = filelist_new();
299 while ((entity = mpd_recv_entity(c->connection)) != NULL)
300 filelist_append(fl, entity);
302 if (mpdclient_finish_command(c) && fl)
303 filelist_free(fl);
304 }
306 i=0;
307 while( arg[i] )
308 g_free(arg[i++]);
310 return fl;
311 }
313 static void
314 search_new(struct mpdclient *c)
315 {
316 if (c->connection == NULL)
317 return;
319 search_clear(c, TRUE);
321 g_free(pattern);
322 pattern = screen_readln(screen.status_window.w,
323 _("Search"),
324 NULL,
325 &search_history,
326 NULL);
328 if (pattern == NULL) {
329 list_window_reset(browser.lw);
330 return;
331 }
333 if (browser.filelist != NULL) {
334 filelist_free(browser.filelist);
335 browser.filelist = NULL;
336 }
338 if (mpd_connection_cmp_server_version(c->connection, 0, 12, 0) >= 0)
339 browser.filelist = search_advanced_query(pattern, c);
341 if (!advanced_search_mode && browser.filelist == NULL)
342 browser.filelist = filelist_search(c, FALSE,
343 mode[options.search_mode].table,
344 pattern);
346 if (browser.filelist == NULL)
347 browser.filelist = filelist_new();
349 sync_highlights(c, browser.filelist);
350 mpdclient_install_playlist_callback(c, playlist_changed_callback);
351 list_window_check_selected(browser.lw, filelist_length(browser.filelist));
352 }
356 static void
357 init(WINDOW *w, int cols, int rows)
358 {
359 browser.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 (browser.filelist)
368 filelist_free(browser.filelist);
369 list_window_free(browser.lw);
371 if (pattern) {
372 g_free(pattern);
373 pattern = NULL;
374 }
375 }
377 static void
378 open(G_GNUC_UNUSED struct mpdclient *c)
379 {
380 // if( pattern==NULL )
381 // search_new(screen, c);
382 // else
383 screen_status_printf(_("Press %s for a new search"),
384 get_key_names(CMD_SCREEN_SEARCH,0));
385 search_check_mode();
386 }
388 static void
389 resize(int cols, int rows)
390 {
391 browser.lw->cols = cols;
392 browser.lw->rows = rows;
393 }
395 static void
396 paint(void)
397 {
398 if (browser.filelist) {
399 browser.lw->hide_cursor = false;
400 list_window_paint(browser.lw, browser_lw_callback, browser.filelist);
401 } else {
402 browser.lw->hide_cursor = true;
403 list_window_paint(browser.lw, lw_search_help_callback, NULL);
404 }
405 }
407 static const char *
408 get_title(char *str, size_t size)
409 {
410 if (advanced_search_mode && pattern)
411 g_snprintf(str, size, _("Search: %s"), pattern);
412 else if (pattern)
413 g_snprintf(str, size,
414 _("Search: Results for %s [%s]"),
415 pattern,
416 _(mode[options.search_mode].label));
417 else
418 g_snprintf(str, size, _("Search: Press %s for a new search [%s]"),
419 get_key_names(CMD_SCREEN_SEARCH,0),
420 _(mode[options.search_mode].label));
422 return str;
423 }
425 static bool
426 search_cmd(struct mpdclient *c, command_t cmd)
427 {
428 switch (cmd) {
429 case CMD_SEARCH_MODE:
430 options.search_mode++;
431 if (mode[options.search_mode].label == NULL)
432 options.search_mode = 0;
433 screen_status_printf(_("Search mode: %s"),
434 _(mode[options.search_mode].label));
435 /* continue and update... */
436 case CMD_SCREEN_UPDATE:
437 if (pattern) {
438 search_clear(c, FALSE);
439 browser.filelist = filelist_search(c,
440 FALSE,
441 mode[options.search_mode].table,
442 pattern);
443 sync_highlights(c, browser.filelist);
444 }
445 search_repaint();
446 return true;
448 case CMD_SCREEN_SEARCH:
449 search_new(c);
450 search_repaint();
451 return true;
453 case CMD_CLEAR:
454 search_clear(c, TRUE);
455 list_window_reset(browser.lw);
456 search_repaint();
457 return true;
459 default:
460 break;
461 }
463 if (browser.filelist != NULL &&
464 browser_cmd(&browser, c, cmd)) {
465 if (screen_is_visible(&screen_search))
466 search_repaint();
467 return true;
468 }
470 return false;
471 }
473 const struct screen_functions screen_search = {
474 .init = init,
475 .exit = quit,
476 .open = open,
477 .resize = resize,
478 .paint = paint,
479 .cmd = search_cmd,
480 .get_title = get_title,
481 };