Code

16a2f5e7045c48233741e19aada820c76b1cdf02
[ncmpc.git] / src / screen_browser.c
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_browser.h"
21 #include "screen_file.h"
22 #include "screen_song.h"
23 #include "screen_lyrics.h"
24 #include "screen_message.h"
25 #include "screen_find.h"
26 #include "screen.h"
27 #include "i18n.h"
28 #include "options.h"
29 #include "charset.h"
30 #include "strfsong.h"
31 #include "mpdclient.h"
32 #include "filelist.h"
33 #include "colors.h"
34 #include "paint.h"
36 #include <mpd/client.h>
38 #include <string.h>
40 #define BUFSIZE 1024
42 #ifndef NCMPC_MINI
43 #define HIGHLIGHT  (0x01)
44 #endif
46 static const char playlist_format[] = "*%s*";
48 #ifndef NCMPC_MINI
50 /* sync highlight flags with playlist */
51 void
52 screen_browser_sync_highlights(struct filelist *fl,
53                                const struct mpdclient_playlist *playlist)
54 {
55         guint i;
57         for (i = 0; i < filelist_length(fl); ++i) {
58                 struct filelist_entry *entry = filelist_get(fl, i);
59                 const struct mpd_entity *entity = entry->entity;
61                 if (entity != NULL && mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) {
62                         const struct mpd_song *song =
63                                 mpd_entity_get_song(entity);
65                         if (playlist_get_index_from_same_song(playlist,
66                                                               song) >= 0)
67                                 entry->flags |= HIGHLIGHT;
68                         else
69                                 entry->flags &= ~HIGHLIGHT;
70                 }
71         }
72 }
74 #endif
76 /* list_window callback */
77 static const char *
78 browser_lw_callback(unsigned idx, bool *highlight, G_GNUC_UNUSED char **second_column, void *data)
79 {
80         const struct filelist *fl = (const struct filelist *) data;
81         static char buf[BUFSIZE];
82         const struct filelist_entry *entry;
83         const struct mpd_entity *entity;
85         assert(fl != NULL);
86         assert(idx < filelist_length(fl));
88         entry = filelist_get(fl, idx);
89         assert(entry != NULL);
91         entity = entry->entity;
92 #ifndef NCMPC_MINI
93         *highlight = (entry->flags & HIGHLIGHT) != 0;
94 #else
95         *highlight = false;
96 #endif
98         if( entity == NULL )
99                 return "[..]";
101         if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_DIRECTORY) {
102                 const struct mpd_directory *dir =
103                         mpd_entity_get_directory(entity);
104                 char *directory = utf8_to_locale(g_basename(mpd_directory_get_path(dir)));
106                 g_snprintf(buf, BUFSIZE, "[%s]", directory);
107                 g_free(directory);
108                 return buf;
109         } else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) {
110                 const struct mpd_song *song = mpd_entity_get_song(entity);
112                 strfsong(buf, BUFSIZE, options.list_format, song);
113                 return buf;
114         } else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_PLAYLIST) {
115                 const struct mpd_playlist *playlist =
116                         mpd_entity_get_playlist(entity);
117                 char *filename = utf8_to_locale(g_basename(mpd_playlist_get_path(playlist)));
119                 g_snprintf(buf, BUFSIZE, playlist_format, filename);
120                 g_free(filename);
121                 return buf;
122         }
124         return "Error: Unknown entry!";
127 static bool
128 load_playlist(struct mpdclient *c, const struct mpd_playlist *playlist)
130         struct mpd_connection *connection = mpdclient_get_connection(c);
131         char *filename = utf8_to_locale(mpd_playlist_get_path(playlist));
133         if (mpd_run_load(connection, mpd_playlist_get_path(playlist))) {
134                 screen_status_printf(_("Loading playlist %s..."),
135                                      g_basename(filename));
136                 c->events |= MPD_IDLE_QUEUE;
137         } else
138                 mpdclient_handle_error(c);
140         g_free(filename);
141         return true;
144 static bool
145 enqueue_and_play(struct mpdclient *c, struct filelist_entry *entry)
147         struct mpd_connection *connection = mpdclient_get_connection(c);
148         const struct mpd_song *song = mpd_entity_get_song(entry->entity);
149         int id;
151 #ifndef NCMPC_MINI
152         if (!(entry->flags & HIGHLIGHT))
153                 id = -1;
154         else
155 #endif
156                 id = playlist_get_id_from_same_song(&c->playlist, song);
158         if (id < 0) {
159                 char buf[BUFSIZE];
161                 id = mpd_run_add_id(connection, mpd_song_get_uri(song));
162                 if (id < 0) {
163                         mpdclient_handle_error(c);
164                         return false;
165                 }
167 #ifndef NCMPC_MINI
168                 entry->flags |= HIGHLIGHT;
169 #endif
170                 strfsong(buf, BUFSIZE, options.list_format, song);
171                 screen_status_printf(_("Adding \'%s\' to playlist"), buf);
172         }
174         if (!mpd_run_play_id(connection, id)) {
175                 mpdclient_handle_error(c);
176                 return false;
177         }
179         return true;
182 struct filelist_entry *
183 browser_get_selected_entry(const struct screen_browser *browser)
185         struct list_window_range range;
187         list_window_get_range(browser->lw, &range);
189         if (browser->filelist == NULL ||
190             range.end <= range.start ||
191             range.end > range.start + 1 ||
192             range.start >= filelist_length(browser->filelist))
193                 return NULL;
195         return filelist_get(browser->filelist, range.start);
198 static const struct mpd_entity *
199 browser_get_selected_entity(const struct screen_browser *browser)
201         const struct filelist_entry *entry = browser_get_selected_entry(browser);
203         return entry != NULL
204                 ? entry->entity
205                 : NULL;
208 static const struct mpd_song *
209 browser_get_selected_song(const struct screen_browser *browser)
211         const struct mpd_entity *entity = browser_get_selected_entity(browser);
213         return entity != NULL &&
214                 mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG
215                 ? mpd_entity_get_song(entity)
216                 : NULL;
219 static struct filelist_entry *
220 browser_get_index(const struct screen_browser *browser, unsigned i)
222         if (browser->filelist == NULL ||
223             i >= filelist_length(browser->filelist))
224                 return NULL;
226         return filelist_get(browser->filelist, i);
229 static bool
230 browser_handle_enter(struct screen_browser *browser, struct mpdclient *c)
232         struct filelist_entry *entry = browser_get_selected_entry(browser);
233         struct mpd_entity *entity;
235         if (entry == NULL)
236                 return false;
238         entity = entry->entity;
239         if (entity == NULL)
240                 return false;
242         if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_PLAYLIST)
243                 return load_playlist(c, mpd_entity_get_playlist(entity));
244         else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG)
245                 return enqueue_and_play(c, entry);
246         return false;
249 static bool
250 browser_select_entry(struct mpdclient *c, struct filelist_entry *entry,
251                      G_GNUC_UNUSED gboolean toggle)
253         assert(entry != NULL);
254         assert(entry->entity != NULL);
256         if (mpd_entity_get_type(entry->entity) == MPD_ENTITY_TYPE_PLAYLIST)
257                 return load_playlist(c, mpd_entity_get_playlist(entry->entity));
259         if (mpd_entity_get_type(entry->entity) == MPD_ENTITY_TYPE_DIRECTORY) {
260                 const struct mpd_directory *dir =
261                         mpd_entity_get_directory(entry->entity);
263                 if (mpdclient_cmd_add_path(c, mpd_directory_get_path(dir))) {
264                         char *tmp = utf8_to_locale(mpd_directory_get_path(dir));
266                         screen_status_printf(_("Adding \'%s\' to playlist"), tmp);
267                         g_free(tmp);
268                 }
270                 return true;
271         }
273         if (mpd_entity_get_type(entry->entity) != MPD_ENTITY_TYPE_SONG)
274                 return false;
276 #ifndef NCMPC_MINI
277         if (!toggle || (entry->flags & HIGHLIGHT) == 0)
278 #endif
279         {
280                 const struct mpd_song *song =
281                         mpd_entity_get_song(entry->entity);
283 #ifndef NCMPC_MINI
284                 entry->flags |= HIGHLIGHT;
285 #endif
287                 if (mpdclient_cmd_add(c, song)) {
288                         char buf[BUFSIZE];
290                         strfsong(buf, BUFSIZE, options.list_format, song);
291                         screen_status_printf(_("Adding \'%s\' to playlist"), buf);
292                 }
293 #ifndef NCMPC_MINI
294         } else {
295                 /* remove song from playlist */
296                 const struct mpd_song *song =
297                         mpd_entity_get_song(entry->entity);
298                 int idx;
300                 entry->flags &= ~HIGHLIGHT;
302                 while ((idx = playlist_get_index_from_same_song(&c->playlist,
303                                                                 song)) >= 0)
304                         mpdclient_cmd_delete(c, idx);
305 #endif
306         }
308         return true;
311 static bool
312 browser_handle_select(struct screen_browser *browser, struct mpdclient *c)
314         struct list_window_range range;
315         struct filelist_entry *entry;
316         bool success;
318         list_window_get_range(browser->lw, &range);
319         for (unsigned i = range.start; i < range.end; ++i) {
320                 entry = browser_get_index(browser, i);
322                 if (entry != NULL && entry->entity != NULL)
323                         success = browser_select_entry(c, entry, TRUE);
324         }
326         return range.end == range.start + 1 && success;
329 static bool
330 browser_handle_add(struct screen_browser *browser, struct mpdclient *c)
332         struct list_window_range range;
333         struct filelist_entry *entry;
334         bool success;
336         list_window_get_range(browser->lw, &range);
337         for (unsigned i = range.start; i < range.end; ++i) {
338                 entry = browser_get_index(browser, i);
340                 if (entry != NULL && entry->entity != NULL)
341                         success = browser_select_entry(c, entry, FALSE);
342         }
344         return range.end == range.start + 1 && success;
347 static void
348 browser_handle_select_all(struct screen_browser *browser, struct mpdclient *c)
350         guint i;
352         if (browser->filelist == NULL)
353                 return;
355         for (i = 0; i < filelist_length(browser->filelist); ++i) {
356                 struct filelist_entry *entry = filelist_get(browser->filelist, i);
358                 if (entry != NULL && entry->entity != NULL)
359                         browser_select_entry(c, entry, FALSE);
360         }
363 #ifdef HAVE_GETMOUSE
364 static int
365 browser_handle_mouse_event(struct screen_browser *browser, struct mpdclient *c)
367         int row;
368         unsigned prev_selected = browser->lw->selected;
369         unsigned long bstate;
371         if (screen_get_mouse_event(c, &bstate, &row) ||
372             list_window_mouse(browser->lw, bstate, row))
373                 return 1;
375         list_window_set_cursor(browser->lw, browser->lw->start + row);
377         if( bstate & BUTTON1_CLICKED ) {
378                 if (prev_selected == browser->lw->selected)
379                         browser_handle_enter(browser, c);
380         } else if (bstate & BUTTON3_CLICKED) {
381                 if (prev_selected == browser->lw->selected)
382                         browser_handle_select(browser, c);
383         }
385         return 1;
387 #endif
389 static void
390 screen_browser_paint_callback(WINDOW *w, unsigned i, unsigned y,
391                               unsigned width, bool selected, void *data);
393 bool
394 browser_cmd(struct screen_browser *browser,
395             struct mpdclient *c, command_t cmd)
397         const struct mpd_song *song;
399         if (browser->filelist == NULL)
400                 return false;
402         if (list_window_cmd(browser->lw, cmd))
403                 return true;
405         switch (cmd) {
406         case CMD_LIST_FIND:
407         case CMD_LIST_RFIND:
408         case CMD_LIST_FIND_NEXT:
409         case CMD_LIST_RFIND_NEXT:
410                 screen_find(browser->lw, cmd, browser_lw_callback,
411                             browser->filelist);
412                 return true;
413         case CMD_LIST_JUMP:
414                 screen_jump(browser->lw, browser_lw_callback,
415                             screen_browser_paint_callback, browser->filelist);
416                 return true;
418 #ifdef HAVE_GETMOUSE
419         case CMD_MOUSE_EVENT:
420                 browser_handle_mouse_event(browser, c);
421                 return true;
422 #endif
424 #ifdef ENABLE_SONG_SCREEN
425         case CMD_SCREEN_SONG:
426                 song = browser_get_selected_song(browser);
427                 if (song == NULL)
428                         return false;
430                 screen_song_switch(c, song);
431                 return true;
432 #endif
434 #ifdef ENABLE_LYRICS_SCREEN
435         case CMD_SCREEN_LYRICS:
436                 song = browser_get_selected_song(browser);
437                 if (song == NULL)
438                         return false;
440                 screen_lyrics_switch(c, song, false);
441                 return true;
442 #endif
443         case CMD_SCREEN_SWAP:
444                 screen_swap(c, browser_get_selected_song(browser));
445                 return true;
447         default:
448                 break;
449         }
451         if (!mpdclient_is_connected(c))
452                 return false;
454         switch (cmd) {
455         case CMD_PLAY:
456                 browser_handle_enter(browser, c);
457                 return true;
459         case CMD_SELECT:
460                 if (browser_handle_select(browser, c))
461                         list_window_cmd(browser->lw, CMD_LIST_NEXT);
462                 return true;
464         case CMD_ADD:
465                 if (browser_handle_add(browser, c))
466                         list_window_cmd(browser->lw, CMD_LIST_NEXT);
467                 return true;
469         case CMD_SELECT_ALL:
470                 browser_handle_select_all(browser, c);
471                 return true;
473         case CMD_LOCATE:
474                 song = browser_get_selected_song(browser);
475                 if (song == NULL)
476                         return false;
478                 screen_file_goto_song(c, song);
479                 return true;
481         default:
482                 break;
483         }
485         return false;
488 static void
489 screen_browser_paint_directory(WINDOW *w, unsigned width,
490                                bool selected, const char *name)
492         row_color(w, COLOR_DIRECTORY, selected);
494         waddch(w, '[');
495         waddstr(w, name);
496         waddch(w, ']');
498         /* erase the unused space after the text */
499         row_clear_to_eol(w, width, selected);
502 static void
503 screen_browser_paint_song(WINDOW *w, unsigned width, bool selected,
504                           bool highlight, const struct mpd_song *song)
506         char buffer[width * 4];
508         strfsong(buffer, sizeof(buffer), options.list_format, song);
509         row_paint_text(w, width, highlight ? COLOR_LIST_BOLD : COLOR_LIST,
510                        selected, buffer);
513 static void
514 screen_browser_paint_playlist(WINDOW *w, unsigned width,
515                               bool selected, const char *name)
517         row_paint_text(w, width, COLOR_PLAYLIST, selected, name);
520 static void
521 screen_browser_paint_callback(WINDOW *w, unsigned i,
522                               G_GNUC_UNUSED unsigned y, unsigned width,
523                               bool selected, void *data)
525         const struct filelist *fl = (const struct filelist *) data;
526         const struct filelist_entry *entry;
527         const struct mpd_entity *entity;
528         bool highlight;
529         const struct mpd_directory *directory;
530         const struct mpd_playlist *playlist;
531         char *p;
533         assert(fl != NULL);
534         assert(i < filelist_length(fl));
536         entry = filelist_get(fl, i);
537         assert(entry != NULL);
539         entity = entry->entity;
540         if (entity == NULL) {
541                 screen_browser_paint_directory(w, width, selected, "..");
542                 return;
543         }
545 #ifndef NCMPC_MINI
546         highlight = (entry->flags & HIGHLIGHT) != 0;
547 #else
548         highlight = false;
549 #endif
551         if (highlight)
552                 colors_use(w, COLOR_LIST_BOLD);
553         else
554                 colors_use(w, COLOR_LIST);
556         switch (mpd_entity_get_type(entity)) {
557         case MPD_ENTITY_TYPE_DIRECTORY:
558                 directory = mpd_entity_get_directory(entity);
559                 p = utf8_to_locale(g_basename(mpd_directory_get_path(directory)));
560                 screen_browser_paint_directory(w, width, selected, p);
561                 g_free(p);
562                 break;
564         case MPD_ENTITY_TYPE_SONG:
565                 screen_browser_paint_song(w, width, selected, highlight,
566                                           mpd_entity_get_song(entity));
567                 break;
569         case MPD_ENTITY_TYPE_PLAYLIST:
570                 playlist = mpd_entity_get_playlist(entity);
571                 p = utf8_to_locale(g_basename(mpd_playlist_get_path(playlist)));
572                 screen_browser_paint_playlist(w, width, selected, p);
573                 g_free(p);
574                 break;
576         default:
577                 waddstr(w, "<unknown>");
578         }
580         whline(w, ' ', width);
582         if (selected)
583                 wattroff(w, A_REVERSE);
586 void
587 screen_browser_paint(const struct screen_browser *browser)
589         list_window_paint2(browser->lw, screen_browser_paint_callback,
590                            browser->filelist);