9742410d9b610277a2b0a6c97a64694f46b53a81
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 "screen_search.h"
21 #include "screen_interface.h"
22 #include "screen_message.h"
23 #include "screen.h"
24 #include "i18n.h"
25 #include "options.h"
26 #include "charset.h"
27 #include "mpdclient.h"
28 #include "strfsong.h"
29 #include "utils.h"
30 #include "screen_utils.h"
31 #include "screen_browser.h"
32 #include "filelist.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 screen_search_paint(void);
129 static void
130 search_repaint(void)
131 {
132 screen_search_paint();
133 wrefresh(browser.lw->w);
134 }
136 /* sanity check search mode value */
137 static void
138 search_check_mode(void)
139 {
140 int max = 0;
142 while (mode[max].label != NULL)
143 max++;
144 if (options.search_mode < 0)
145 options.search_mode = 0;
146 else if (options.search_mode >= max)
147 options.search_mode = max-1;
148 }
150 static void
151 search_clear(bool clear_pattern)
152 {
153 if (browser.filelist) {
154 filelist_free(browser.filelist);
155 browser.filelist = filelist_new();
156 }
157 if (clear_pattern && pattern) {
158 g_free(pattern);
159 pattern = NULL;
160 }
161 }
163 static struct filelist *
164 search_simple_query(struct mpd_connection *connection, bool exact_match,
165 int table, gchar *local_pattern)
166 {
167 struct filelist *list;
168 gchar *filter_utf8 = locale_to_utf8(local_pattern);
170 if (table == SEARCH_ARTIST_TITLE) {
171 mpd_command_list_begin(connection, false);
173 mpd_search_db_songs(connection, exact_match);
174 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
175 MPD_TAG_ARTIST, filter_utf8);
176 mpd_search_commit(connection);
178 mpd_search_db_songs(connection, exact_match);
179 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
180 MPD_TAG_TITLE, filter_utf8);
181 mpd_search_commit(connection);
183 mpd_command_list_end(connection);
185 list = filelist_new_recv(connection);
187 if (list != NULL)
188 filelist_sort_all(list, compare_filelistentry_format);
189 } else if (table == SEARCH_URI) {
190 mpd_search_db_songs(connection, exact_match);
191 mpd_search_add_uri_constraint(connection, MPD_OPERATOR_DEFAULT,
192 filter_utf8);
193 mpd_search_commit(connection);
195 list = filelist_new_recv(connection);
196 } else {
197 mpd_search_db_songs(connection, exact_match);
198 mpd_search_add_tag_constraint(connection, MPD_OPERATOR_DEFAULT,
199 table, filter_utf8);
200 mpd_search_commit(connection);
202 list = filelist_new_recv(connection);
203 }
205 g_free(filter_utf8);
206 return list;
207 }
209 /*-----------------------------------------------------------------------
210 * NOTE: This code exists to test a new search ui,
211 * Its ugly and MUST be redesigned before the next release!
212 *-----------------------------------------------------------------------
213 */
214 static struct filelist *
215 search_advanced_query(struct mpd_connection *connection, char *query)
216 {
217 int i,j;
218 char **strv;
219 int table[10];
220 char *arg[10];
221 struct filelist *fl = NULL;
223 advanced_search_mode = FALSE;
224 if (strchr(query, ':') == NULL)
225 return NULL;
227 strv = g_strsplit_set(query, ": ", 0);
229 memset(table, 0, 10*sizeof(int));
230 memset(arg, 0, 10*sizeof(char *));
232 i=0;
233 j=0;
234 while (strv[i] && strlen(strv[i]) > 0 && i < 9) {
235 int id = search_get_tag_id(strv[i]);
236 if (id == -1) {
237 if (table[j]) {
238 char *tmp = arg[j];
239 arg[j] = g_strdup_printf("%s %s", arg[j], strv[i]);
240 g_free(tmp);
241 } else {
242 screen_status_printf(_("Bad search tag %s"), strv[i]);
243 }
244 i++;
245 } else if (strv[i+1] == NULL || strlen(strv[i+1]) == 0) {
246 screen_status_printf(_("No argument for search tag %s"), strv[i]);
247 i++;
248 // j--;
249 //table[j] = -1;
250 } else {
251 table[j] = id;
252 arg[j] = locale_to_utf8(strv[i+1]); // FREE ME
253 j++;
254 table[j] = -1;
255 arg[j] = NULL;
256 i = i + 2;
257 advanced_search_mode = TRUE;
258 }
259 }
261 g_strfreev(strv);
263 if (!advanced_search_mode || j == 0) {
264 for (i = 0; arg[i] != NULL; ++i)
265 g_free(arg[i]);
266 return NULL;
267 }
269 /*-----------------------------------------------------------------------
270 * NOTE (again): This code exists to test a new search ui,
271 * Its ugly and MUST be redesigned before the next release!
272 * + the code below should live in mpdclient.c
273 *-----------------------------------------------------------------------
274 */
275 /** stupid - but this is just a test...... (fulhack) */
276 mpd_search_db_songs(connection, false);
278 for (i = 0; i < 10 && arg[i] != NULL; i++) {
279 if (table[i] == SEARCH_URI)
280 mpd_search_add_uri_constraint(connection,
281 MPD_OPERATOR_DEFAULT,
282 arg[i]);
283 else
284 mpd_search_add_tag_constraint(connection,
285 MPD_OPERATOR_DEFAULT,
286 table[i], arg[i]);
287 }
289 mpd_search_commit(connection);
290 fl = filelist_new_recv(connection);
291 if (!mpd_response_finish(connection)) {
292 filelist_free(fl);
293 fl = NULL;
294 }
296 for (i = 0; arg[i] != NULL; ++i)
297 g_free(arg[i]);
299 return fl;
300 }
302 static struct filelist *
303 do_search(struct mpdclient *c, char *query)
304 {
305 struct filelist *fl;
307 fl = search_advanced_query(c->connection, query);
308 if (fl != NULL)
309 return fl;
311 if (mpd_connection_get_error(c->connection) != MPD_ERROR_SUCCESS) {
312 mpdclient_handle_error(c);
313 return NULL;
314 }
316 fl = search_simple_query(c->connection, FALSE,
317 mode[options.search_mode].table,
318 query);
319 if (fl == NULL)
320 mpdclient_handle_error(c);
321 return fl;
322 }
324 static void
325 screen_search_reload(struct mpdclient *c)
326 {
327 if (pattern == NULL)
328 return;
330 if (browser.filelist != NULL) {
331 filelist_free(browser.filelist);
332 browser.filelist = NULL;
333 }
335 browser.filelist = do_search(c, pattern);
336 if (browser.filelist == NULL)
337 browser.filelist = filelist_new();
339 screen_browser_sync_highlights(browser.filelist, &c->playlist);
340 list_window_check_selected(browser.lw,
341 filelist_length(browser.filelist));
342 }
344 static void
345 search_new(struct mpdclient *c)
346 {
347 if (!mpdclient_is_connected(c))
348 return;
350 search_clear(true);
352 g_free(pattern);
353 pattern = screen_readln(_("Search"),
354 NULL,
355 &search_history,
356 NULL);
358 if (pattern == NULL) {
359 list_window_reset(browser.lw);
360 return;
361 }
363 screen_search_reload(c);
364 }
366 static void
367 screen_search_init(WINDOW *w, int cols, int rows)
368 {
369 browser.lw = list_window_init(w, cols, rows);
370 }
372 static void
373 screen_search_quit(void)
374 {
375 if (search_history)
376 string_list_free(search_history);
377 if (browser.filelist)
378 filelist_free(browser.filelist);
379 list_window_free(browser.lw);
381 if (pattern) {
382 g_free(pattern);
383 pattern = NULL;
384 }
385 }
387 static void
388 screen_search_open(G_GNUC_UNUSED struct mpdclient *c)
389 {
390 // if( pattern==NULL )
391 // search_new(screen, c);
392 // else
393 screen_status_printf(_("Press %s for a new search"),
394 get_key_names(CMD_SCREEN_SEARCH,0));
395 search_check_mode();
396 }
398 static void
399 screen_search_resize(int cols, int rows)
400 {
401 browser.lw->cols = cols;
402 browser.lw->rows = rows;
403 }
405 static void
406 screen_search_paint(void)
407 {
408 if (browser.filelist) {
409 browser.lw->hide_cursor = false;
410 list_window_paint(browser.lw, browser_lw_callback, browser.filelist);
411 } else {
412 browser.lw->hide_cursor = true;
413 list_window_paint(browser.lw, lw_search_help_callback, NULL);
414 }
415 }
417 static const char *
418 screen_search_get_title(char *str, size_t size)
419 {
420 if (advanced_search_mode && pattern)
421 g_snprintf(str, size, _("Search: %s"), pattern);
422 else if (pattern)
423 g_snprintf(str, size,
424 _("Search: Results for %s [%s]"),
425 pattern,
426 _(mode[options.search_mode].label));
427 else
428 g_snprintf(str, size, _("Search: Press %s for a new search [%s]"),
429 get_key_names(CMD_SCREEN_SEARCH,0),
430 _(mode[options.search_mode].label));
432 return str;
433 }
435 static void
436 screen_search_update(struct mpdclient *c)
437 {
438 if (browser.filelist != NULL && c->events & MPD_IDLE_PLAYLIST) {
439 screen_browser_sync_highlights(browser.filelist, &c->playlist);
440 search_repaint();
441 }
442 }
444 static bool
445 screen_search_cmd(struct mpdclient *c, command_t cmd)
446 {
447 switch (cmd) {
448 case CMD_SEARCH_MODE:
449 options.search_mode++;
450 if (mode[options.search_mode].label == NULL)
451 options.search_mode = 0;
452 screen_status_printf(_("Search mode: %s"),
453 _(mode[options.search_mode].label));
454 /* continue and update... */
455 case CMD_SCREEN_UPDATE:
456 screen_search_reload(c);
457 search_repaint();
458 return true;
460 case CMD_SCREEN_SEARCH:
461 search_new(c);
462 search_repaint();
463 return true;
465 case CMD_CLEAR:
466 search_clear(true);
467 list_window_reset(browser.lw);
468 search_repaint();
469 return true;
471 default:
472 break;
473 }
475 if (browser.filelist != NULL &&
476 browser_cmd(&browser, c, cmd)) {
477 if (screen_is_visible(&screen_search))
478 search_repaint();
479 return true;
480 }
482 return false;
483 }
485 const struct screen_functions screen_search = {
486 .init = screen_search_init,
487 .exit = screen_search_quit,
488 .open = screen_search_open,
489 .resize = screen_search_resize,
490 .paint = screen_search_paint,
491 .update = screen_search_update,
492 .cmd = screen_search_cmd,
493 .get_title = screen_search_get_title,
494 };