1 /*
2 * (c) 2004 by Kalle Wallin <kaw@linux.se>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 */
19 #include "i18n.h"
20 #include "options.h"
21 #include "charset.h"
22 #include "mpdclient.h"
23 #include "strfsong.h"
24 #include "command.h"
25 #include "screen.h"
26 #include "utils.h"
27 #include "screen_utils.h"
28 #include "screen_browser.h"
29 #include "gcc.h"
31 #include <ctype.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <glib.h>
35 #include <ncurses.h>
37 static const struct {
38 const char *name;
39 const char *localname;
40 } search_tag[MPD_TAG_NUM_OF_ITEM_TYPES] = {
41 [MPD_TAG_ITEM_ARTIST] = { "artist", N_("artist") },
42 [MPD_TAG_ITEM_ALBUM] = { "album", N_("album") },
43 [MPD_TAG_ITEM_TITLE] = { "title", N_("title") },
44 [MPD_TAG_ITEM_TRACK] = { "track", N_("track") },
45 [MPD_TAG_ITEM_NAME] = { "name", N_("name") },
46 [MPD_TAG_ITEM_GENRE] = { "genre", N_("genre") },
47 [MPD_TAG_ITEM_DATE] = { "date", N_("date") },
48 [MPD_TAG_ITEM_COMPOSER] = { "composer", N_("composer") },
49 [MPD_TAG_ITEM_PERFORMER] = { "performer", N_("performer") },
50 [MPD_TAG_ITEM_COMMENT] = { "comment", N_("comment") },
51 [MPD_TAG_ITEM_FILENAME] = { "filename", N_("file") },
52 };
54 static int
55 search_get_tag_id(char *name)
56 {
57 unsigned i;
59 for (i = 0; i < MPD_TAG_NUM_OF_ITEM_TYPES; ++i)
60 if (search_tag[i].name != NULL &&
61 (strcasecmp(search_tag[i].name, name) == 0 ||
62 strcasecmp(search_tag[i].localname, name) == 0))
63 return i;
65 return -1;
66 }
68 #define SEARCH_TITLE 0
69 #define SEARCH_ARTIST 1
70 #define SEARCH_ALBUM 2
71 #define SEARCH_FILE 3
73 #define SEARCH_ARTIST_TITLE 999
75 typedef struct {
76 int table;
77 const char *label;
78 } search_type_t;
80 static search_type_t mode[] = {
81 { MPD_TABLE_TITLE, N_("Title") },
82 { MPD_TABLE_ARTIST, N_("Artist") },
83 { MPD_TABLE_ALBUM, N_("Album") },
84 { MPD_TABLE_FILENAME, N_("Filename") },
85 { SEARCH_ARTIST_TITLE, N_("Artist + Title") },
86 { 0, NULL }
87 };
89 static GList *search_history = NULL;
90 static gchar *pattern = NULL;
91 static gboolean advanced_search_mode = FALSE;
93 static struct screen_browser browser;
96 /* search info */
97 static const char *
98 lw_search_help_callback(unsigned idx, mpd_unused int *highlight,
99 mpd_unused void *data)
100 {
101 unsigned text_rows;
102 static const char *text[] = {
103 "Quick - just enter a string and ncmpc will search according",
104 " to the current search mode (displayed above).",
105 "",
106 "Advanced - <tag>:<search term> [<tag>:<search term>...]",
107 " Example: artist:radiohead album:pablo honey",
108 "",
109 " avalible tags: artist, album, title, track,",
110 " name, genre, date composer, performer, comment, file",
111 "",
112 NULL
113 };
115 text_rows=0;
116 while (text[text_rows])
117 text_rows++;
119 if (idx < text_rows)
120 return text[idx];
121 return NULL;
122 }
124 static void
125 paint(void);
127 static void
128 search_repaint(void)
129 {
130 paint();
131 wrefresh(browser.lw->w);
132 }
134 static void
135 search_repaint_if_active(void)
136 {
137 if (screen_is_visible(&screen_search))
138 search_repaint();
139 }
141 /* the playlist have been updated -> fix highlights */
142 static void
143 playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
144 {
145 browser_playlist_changed(&browser, c, event, data);
146 search_repaint_if_active();
147 }
149 /* sanity check search mode value */
150 static void
151 search_check_mode(void)
152 {
153 int max = 0;
155 while (mode[max].label != NULL)
156 max++;
157 if (options.search_mode < 0)
158 options.search_mode = 0;
159 else if (options.search_mode >= max)
160 options.search_mode = max-1;
161 }
163 static void
164 search_clear(mpdclient_t *c,
165 gboolean clear_pattern)
166 {
167 if (browser.filelist) {
168 mpdclient_remove_playlist_callback(c, playlist_changed_callback);
169 filelist_free(browser.filelist);
170 browser.filelist = filelist_new(NULL);
171 }
172 if (clear_pattern && pattern) {
173 g_free(pattern);
174 pattern = NULL;
175 }
176 }
178 static mpdclient_filelist_t *
179 filelist_search(mpdclient_t *c, mpd_unused int exact_match, int table,
180 gchar *local_pattern)
181 {
182 mpdclient_filelist_t *list, *list2;
183 gchar *filter_utf8 = locale_to_utf8(local_pattern);
185 if (table == SEARCH_ARTIST_TITLE) {
186 list = mpdclient_filelist_search(c, FALSE, MPD_TABLE_ARTIST,
187 filter_utf8);
188 if (list == NULL)
189 list = filelist_new(NULL);
191 list2 = mpdclient_filelist_search(c, FALSE, MPD_TABLE_TITLE,
192 filter_utf8);
193 if (list2 != NULL) {
194 filelist_move(list, list2);
195 filelist_free(list2);
196 }
198 filelist_sort(list, compare_filelistentry_format);
199 } else {
200 list = mpdclient_filelist_search(c, FALSE, table, filter_utf8);
201 if (list == NULL)
202 list = filelist_new(NULL);
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 mpdclient_filelist_t *
215 search_advanced_query(char *query, mpdclient_t *c)
216 {
217 int i,j;
218 char **strv;
219 int table[10];
220 char *arg[10];
221 mpdclient_filelist_t *fl = NULL;
223 advanced_search_mode = FALSE;
224 if( g_strrstr(query, ":") == NULL )
225 return NULL;
227 strv = g_strsplit_set(query, ": ", 0);
229 i=0;
230 while (strv[i]) {
231 i++;
232 }
234 memset(table, 0, 10*sizeof(int));
235 memset(arg, 0, 10*sizeof(char *));
237 i=0;
238 j=0;
239 while (strv[i] && strlen(strv[i]) > 0 && i < 9) {
240 int id = search_get_tag_id(strv[i]);
241 if (id == -1) {
242 if (table[j]) {
243 char *tmp = arg[j];
244 arg[j] = g_strdup_printf("%s %s", arg[j], strv[i]);
245 g_free(tmp);
246 } else {
247 screen_status_printf(_("Bad search tag %s"), strv[i]);
248 }
249 i++;
250 } else if (strv[i+1] == NULL || strlen(strv[i+1]) == 0) {
251 screen_status_printf(_("No argument for search tag %s"), strv[i]);
252 i++;
253 // j--;
254 //table[j] = -1;
255 } else {
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 int iter;
271 mpd_InfoEntity *entity;
273 /*-----------------------------------------------------------------------
274 * NOTE (again): This code exists to test a new search ui,
275 * Its ugly and MUST be redesigned before the next release!
276 * + the code below should live in mpdclient.c
277 *-----------------------------------------------------------------------
278 */
279 /** stupid - but this is just a test...... (fulhack) */
280 mpd_startSearch(c->connection, FALSE);
282 for(iter = 0; iter < 10; iter++) {
283 mpd_addConstraintSearch(c->connection, table[iter], arg[iter]);
284 }
286 mpd_commitSearch(c->connection);
288 fl = g_malloc0(sizeof(mpdclient_filelist_t));
290 while ((entity=mpd_getNextInfoEntity(c->connection)))
291 filelist_append(fl, entity);
293 if (mpdclient_finish_command(c) && fl)
294 filelist_free(fl);
295 }
297 i=0;
298 while( arg[i] )
299 g_free(arg[i++]);
301 return fl;
302 }
304 static void
305 search_new(mpdclient_t *c)
306 {
307 search_clear(c, TRUE);
309 g_free(pattern);
310 pattern = screen_readln(screen.status_window.w,
311 _("Search: "),
312 NULL,
313 &search_history,
314 NULL);
316 if (pattern == NULL) {
317 list_window_reset(browser.lw);
318 return;
319 }
321 if (browser.filelist != NULL) {
322 filelist_free(browser.filelist);
323 browser.filelist = NULL;
324 }
326 if (!MPD_VERSION_LT(c, 0, 12, 0))
327 browser.filelist = search_advanced_query(pattern, c);
329 if (!advanced_search_mode && browser.filelist == NULL)
330 browser.filelist = filelist_search(c, FALSE,
331 mode[options.search_mode].table,
332 pattern);
334 if (browser.filelist == NULL)
335 browser.filelist = filelist_new(NULL);
337 sync_highlights(c, browser.filelist);
338 mpdclient_install_playlist_callback(c, playlist_changed_callback);
339 list_window_check_selected(browser.lw, filelist_length(browser.filelist));
340 }
344 static void
345 init(WINDOW *w, int cols, int rows)
346 {
347 browser.lw = list_window_init(w, cols, rows);
348 }
350 static void
351 quit(void)
352 {
353 if (search_history)
354 string_list_free(search_history);
355 if (browser.filelist)
356 filelist_free(browser.filelist);
357 list_window_free(browser.lw);
359 if (pattern) {
360 g_free(pattern);
361 pattern = NULL;
362 }
363 }
365 static void
366 open(mpd_unused mpdclient_t *c)
367 {
368 // if( pattern==NULL )
369 // search_new(screen, c);
370 // else
371 screen_status_printf(_("Press %s for a new search"),
372 get_key_names(CMD_SCREEN_SEARCH,0));
373 search_check_mode();
374 }
376 static void
377 resize(int cols, int rows)
378 {
379 browser.lw->cols = cols;
380 browser.lw->rows = rows;
381 }
383 static void
384 paint(void)
385 {
386 if (browser.filelist) {
387 browser.lw->flags = 0;
388 list_window_paint(browser.lw, browser_lw_callback, browser.filelist);
389 } else {
390 browser.lw->flags = LW_HIDE_CURSOR;
391 list_window_paint(browser.lw, lw_search_help_callback, NULL);
392 }
393 }
395 static const char *
396 get_title(char *str, size_t size)
397 {
398 if (advanced_search_mode && pattern)
399 g_snprintf(str, size, _("Search: %s"), pattern);
400 else if (pattern)
401 g_snprintf(str, size,
402 _("Search: Results for %s [%s]"),
403 pattern,
404 _(mode[options.search_mode].label));
405 else
406 g_snprintf(str, size, _("Search: Press %s for a new search [%s]"),
407 get_key_names(CMD_SCREEN_SEARCH,0),
408 _(mode[options.search_mode].label));
410 return str;
411 }
413 static int
414 search_cmd(mpdclient_t *c, command_t cmd)
415 {
416 switch (cmd) {
417 case CMD_SEARCH_MODE:
418 options.search_mode++;
419 if (mode[options.search_mode].label == NULL)
420 options.search_mode = 0;
421 screen_status_printf(_("Search mode: %s"),
422 _(mode[options.search_mode].label));
423 /* continue and update... */
424 case CMD_SCREEN_UPDATE:
425 if (pattern) {
426 search_clear(c, FALSE);
427 browser.filelist = filelist_search(c,
428 FALSE,
429 mode[options.search_mode].table,
430 pattern);
431 sync_highlights(c, browser.filelist);
432 }
433 search_repaint();
434 return 1;
436 case CMD_SCREEN_SEARCH:
437 search_new(c);
438 search_repaint();
439 return 1;
441 case CMD_CLEAR:
442 search_clear(c, TRUE);
443 list_window_reset(browser.lw);
444 search_repaint();
445 return 1;
447 default:
448 break;
449 }
451 if (browser.filelist != NULL &&
452 browser_cmd(&browser, c, cmd)) {
453 if (screen_is_visible(&screen_search))
454 search_repaint();
455 return 1;
456 }
458 return 0;
459 }
461 const struct screen_functions screen_search = {
462 .init = init,
463 .exit = quit,
464 .open = open,
465 .resize = resize,
466 .paint = paint,
467 .cmd = search_cmd,
468 .get_title = get_title,
469 };