2dd911d09b3a8cc3c9cccb5518c62176889845a8
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 search_new(struct mpdclient *c)
326 {
327 if (!mpdclient_is_connected(c))
328 return;
330 search_clear(true);
332 g_free(pattern);
333 pattern = screen_readln(_("Search"),
334 NULL,
335 &search_history,
336 NULL);
338 if (pattern == NULL) {
339 list_window_reset(browser.lw);
340 return;
341 }
343 if (browser.filelist != NULL) {
344 filelist_free(browser.filelist);
345 browser.filelist = NULL;
346 }
348 browser.filelist = do_search(c, pattern);
349 if (browser.filelist == NULL)
350 browser.filelist = filelist_new();
352 screen_browser_sync_highlights(browser.filelist, &c->playlist);
353 list_window_check_selected(browser.lw, filelist_length(browser.filelist));
354 }
356 static void
357 screen_search_init(WINDOW *w, int cols, int rows)
358 {
359 browser.lw = list_window_init(w, cols, rows);
360 }
362 static void
363 screen_search_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 screen_search_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 screen_search_resize(int cols, int rows)
390 {
391 browser.lw->cols = cols;
392 browser.lw->rows = rows;
393 }
395 static void
396 screen_search_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 screen_search_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 void
426 screen_search_update(struct mpdclient *c)
427 {
428 if (browser.filelist != NULL && c->events & MPD_IDLE_PLAYLIST) {
429 screen_browser_sync_highlights(browser.filelist, &c->playlist);
430 search_repaint();
431 }
432 }
434 static bool
435 screen_search_cmd(struct mpdclient *c, command_t cmd)
436 {
437 switch (cmd) {
438 case CMD_SEARCH_MODE:
439 options.search_mode++;
440 if (mode[options.search_mode].label == NULL)
441 options.search_mode = 0;
442 screen_status_printf(_("Search mode: %s"),
443 _(mode[options.search_mode].label));
444 /* continue and update... */
445 case CMD_SCREEN_UPDATE:
446 if (pattern) {
447 search_clear(false);
448 browser.filelist = do_search(c, pattern);
449 screen_browser_sync_highlights(browser.filelist,
450 &c->playlist);
451 }
452 search_repaint();
453 return true;
455 case CMD_SCREEN_SEARCH:
456 search_new(c);
457 search_repaint();
458 return true;
460 case CMD_CLEAR:
461 search_clear(true);
462 list_window_reset(browser.lw);
463 search_repaint();
464 return true;
466 default:
467 break;
468 }
470 if (browser.filelist != NULL &&
471 browser_cmd(&browser, c, cmd)) {
472 if (screen_is_visible(&screen_search))
473 search_repaint();
474 return true;
475 }
477 return false;
478 }
480 const struct screen_functions screen_search = {
481 .init = screen_search_init,
482 .exit = screen_search_quit,
483 .open = screen_search_open,
484 .resize = screen_search_resize,
485 .paint = screen_search_paint,
486 .update = screen_search_update,
487 .cmd = screen_search_cmd,
488 .get_title = screen_search_get_title,
489 };