src/screen_play.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2009 The Music Player Daemon Project
   3  * Project homepage: http://musicpd.org
   4
   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.
   9
  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.
  14
  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 */
  19
  20 #include "config.h"
  21 #include "i18n.h"
  22 #include "charset.h"
  23 #include "options.h"
  24 #include "mpdclient.h"
  25 #include "utils.h"
  26 #include "strfsong.h"
  27 #include "wreadln.h"
  28 #include "command.h"
  29 #include "colors.h"
  30 #include "screen.h"
  31 #include "screen_utils.h"
  32 #include "screen_play.h"
  33
  34 #ifndef NCMPC_MINI
  35 #include "hscroll.h"
  36 #endif
  37
  38 #include <mpd/client.h>
  39
  40 #include <ctype.h>
  41 #include <stdlib.h>
  42 #include <string.h>
  43 #include <time.h>
  44 #include <glib.h>
  45
  46 #define MAX_SONG_LENGTH 512
  47
  48 #ifndef NCMPC_MINI
  49 typedef struct
  50 {
  51         GList **list;
  52         GList **dir_list;
  53         struct mpdclient *c;
  54 } completion_callback_data_t;
  55
  56 static bool must_scroll;
  57 #endif
  58
  59 static struct mpdclient_playlist *playlist;
  60 static int current_song_id = -1;
  61 static list_window_t *lw = NULL;
  62 static guint timer_hide_cursor_id;
  63
  64 static void
  65 play_paint(void);
  66
  67 static void
  68 playlist_repaint(void)
  69 {
  70         play_paint();
  71         wrefresh(lw->w);
  72 }
  73
  74 static void
  75 playlist_repaint_if_active(void)
  76 {
  77         if (screen_is_visible(&screen_playlist))
  78                 playlist_repaint();
  79 }
  80
  81 static void
  82 playlist_changed_callback(struct mpdclient *c, int event, gpointer data)
  83 {
  84         switch (event) {
  85         case PLAYLIST_EVENT_DELETE:
  86                 break;
  87         case PLAYLIST_EVENT_MOVE:
  88                 if(lw->range_selection < 0)
  89                 {
  90                         lw->selected = *((int *) data);
  91                         if (lw->selected < lw->start)
  92                                 lw->start--;
  93                 }
  94                 break;
  95         default:
  96                 break;
  97         }
  98
  99         list_window_check_selected(lw, c->playlist.list->len);
 100         playlist_repaint_if_active();
 101 }
 102
 103 #ifndef NCMPC_MINI
 104 static char *
 105 format_duration(unsigned duration)
 106 {
 107         if (duration == 0)
 108                 return NULL;
 109
 110         return g_strdup_printf("%d:%02d", duration / 60, duration % 60);
 111 }
 112 #endif
 113
 114 static const char *
 115 list_callback(unsigned idx, bool *highlight, char **second_column, G_GNUC_UNUSED void *data)
 116 {
 117         static char songname[MAX_SONG_LENGTH];
 118 #ifndef NCMPC_MINI
 119         static scroll_state_t st;
 120 #endif
 121         struct mpd_song *song;
 122
 123         if (playlist == NULL || idx >= playlist_length(playlist))
 124                 return NULL;
 125
 126         song = playlist_get(playlist, idx);
 127         if ((int)mpd_song_get_id(song) == current_song_id)
 128                 *highlight = true;
 129
 130         strfsong(songname, MAX_SONG_LENGTH, options.list_format, song);
 131
 132 #ifndef NCMPC_MINI
 133         if(second_column)
 134                 *second_column = format_duration(mpd_song_get_duration(song));
 135
 136         if (idx == lw->selected)
 137         {
 138                 int second_column_len = 0;
 139                 if (second_column != NULL && *second_column != NULL)
 140                         second_column_len = strlen(*second_column);
 141                 if (options.scroll && utf8_width(songname) > (unsigned)(COLS - second_column_len - 1) )
 142                 {
 143                         static unsigned current_song;
 144                         char *tmp;
 145
 146                         must_scroll = true;
 147
 148                         if (current_song != lw->selected) {
 149                                 st.offset = 0;
 150                                 current_song = lw->selected;
 151                         }
 152
 153                         tmp = strscroll(songname, options.scroll_sep,
 154                                         MAX_SONG_LENGTH, &st);
 155                         g_strlcpy(songname, tmp, MAX_SONG_LENGTH);
 156                         g_free(tmp);
 157                 }
 158                 else
 159                         st.offset = 0;
 160         }
 161 #else
 162         (void)second_column;
 163 #endif
 164
 165         return songname;
 166 }
 167
 168 static void
 169 center_playing_item(struct mpdclient *c, bool center_cursor)
 170 {
 171         unsigned length = c->playlist.list->len;
 172         int idx;
 173
 174         if (!c->song || c->status == NULL ||
 175             IS_STOPPED(mpd_status_get_state(c->status)))
 176                 return;
 177
 178         /* try to center the song that are playing */
 179         idx = playlist_get_index(&c->playlist, c->song);
 180         if (idx < 0)
 181                 return;
 182
 183         if (length < lw->rows)
 184         {
 185                 if (center_cursor)
 186                         list_window_set_selected(lw, idx);
 187                 return;
 188         }
 189
 190         list_window_center(lw, length, idx);
 191
 192         if (center_cursor) {
 193                 list_window_set_selected(lw, idx);
 194                 return;
 195         }
 196
 197         /* make sure the cursor is in the window */
 198         if (lw->selected < lw->start + options.scroll_offset) {
 199                 if (lw->start > 0)
 200                         lw->selected = lw->start + options.scroll_offset;
 201                 if (lw->range_selection) {
 202                         lw->selected_start = lw->range_base;
 203                         lw->selected_end = lw->selected;
 204                 } else {
 205                         lw->selected_start = lw->selected;
 206                         lw->selected_end = lw->selected;
 207                 }
 208         } else if (lw->selected > lw->start + lw->rows - 1 - options.scroll_offset) {
 209                 if (lw->start + lw->rows < length)
 210                         lw->selected = lw->start + lw->rows - 1 - options.scroll_offset;
 211                 if (lw->range_selection) {
 212                         lw->selected_start = lw->selected;
 213                         lw->selected_end = lw->range_base;
 214                 } else {
 215                         lw->selected_start = lw->selected;
 216                         lw->selected_end = lw->selected;
 217                 }
 218         }
 219 }
 220
 221 #ifndef NCMPC_MINI
 222 static void
 223 save_pre_completion_cb(GCompletion *gcmp, G_GNUC_UNUSED gchar *line,
 224                        void *data)
 225 {
 226         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 227         GList **list = tmp->list;
 228         struct mpdclient *c = tmp->c;
 229
 230         if( *list == NULL ) {
 231                 /* create completion list */
 232                 *list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_PLAYLIST);
 233                 g_completion_add_items(gcmp, *list);
 234         }
 235 }
 236
 237 static void
 238 save_post_completion_cb(G_GNUC_UNUSED GCompletion *gcmp,
 239                         G_GNUC_UNUSED gchar *line, GList *items,
 240                         G_GNUC_UNUSED void *data)
 241 {
 242         if (g_list_length(items) >= 1)
 243                 screen_display_completion_list(items);
 244 }
 245 #endif
 246
 247 #ifndef NCMPC_MINI
 248 /**
 249  * Wrapper for strncmp().  We are not allowed to pass &strncmp to
 250  * g_completion_set_compare(), because strncmp() takes size_t where
 251  * g_completion_set_compare passes a gsize value.
 252  */
 253 static gint
 254 completion_strncmp(const gchar *s1, const gchar *s2, gsize n)
 255 {
 256         return strncmp(s1, s2, n);
 257 }
 258 #endif
 259
 260 int
 261 playlist_save(struct mpdclient *c, char *name, char *defaultname)
 262 {
 263         gchar *filename, *filename_utf8;
 264         gint error;
 265 #ifndef NCMPC_MINI
 266         GCompletion *gcmp;
 267         GList *list = NULL;
 268         completion_callback_data_t data;
 269 #endif
 270
 271 #ifdef NCMPC_MINI
 272         (void)defaultname;
 273 #endif
 274
 275 #ifndef NCMPC_MINI
 276         if (name == NULL) {
 277                 /* initialize completion support */
 278                 gcmp = g_completion_new(NULL);
 279                 g_completion_set_compare(gcmp, completion_strncmp);
 280                 data.list = &list;
 281                 data.dir_list = NULL;
 282                 data.c = c;
 283                 wrln_completion_callback_data = &data;
 284                 wrln_pre_completion_callback = save_pre_completion_cb;
 285                 wrln_post_completion_callback = save_post_completion_cb;
 286
 287
 288                 /* query the user for a filename */
 289                 filename = screen_readln(screen.status_window.w,
 290                                          _("Save playlist as"),
 291                                          defaultname,
 292                                          NULL,
 293                                          gcmp);
 294
 295                 /* destroy completion support */
 296                 wrln_completion_callback_data = NULL;
 297                 wrln_pre_completion_callback = NULL;
 298                 wrln_post_completion_callback = NULL;
 299                 g_completion_free(gcmp);
 300                 list = string_list_free(list);
 301                 if( filename )
 302                         filename=g_strstrip(filename);
 303         } else
 304 #endif
 305                         filename=g_strdup(name);
 306
 307         if (filename == NULL)
 308                 return -1;
 309
 310         /* send save command to mpd */
 311
 312         filename_utf8 = locale_to_utf8(filename);
 313         error = mpdclient_cmd_save_playlist(c, filename_utf8);
 314         g_free(filename_utf8);
 315
 316         if (error) {
 317                 gint code = GET_ACK_ERROR_CODE(error);
 318
 319                 if (code == MPD_SERVER_ERROR_EXIST) {
 320                         char *buf;
 321                         int key;
 322
 323                         buf = g_strdup_printf(_("Replace %s [%s/%s] ? "),
 324                                               filename, YES, NO);
 325                         key = tolower(screen_getch(screen.status_window.w,
 326                                                    buf));
 327                         g_free(buf);
 328
 329                         if (key == YES[0]) {
 330                                 filename_utf8 = locale_to_utf8(filename);
 331                                 error = mpdclient_cmd_delete_playlist(c, filename_utf8);
 332                                 g_free(filename_utf8);
 333
 334                                 if (error) {
 335                                         g_free(filename);
 336                                         return -1;
 337                                 }
 338
 339                                 error = playlist_save(c, filename, NULL);
 340                                 g_free(filename);
 341                                 return error;
 342                         }
 343
 344                         screen_status_printf(_("Aborted"));
 345                 }
 346
 347                 g_free(filename);
 348                 return -1;
 349         }
 350
 351         /* success */
 352         screen_status_printf(_("Saved %s"), filename);
 353         g_free(filename);
 354         return 0;
 355 }
 356
 357 #ifndef NCMPC_MINI
 358 static void add_dir(GCompletion *gcmp, gchar *dir, GList **dir_list,
 359                     GList **list, struct mpdclient *c)
 360 {
 361         g_completion_remove_items(gcmp, *list);
 362         *list = string_list_remove(*list, dir);
 363         *list = gcmp_list_from_path(c, dir, *list, GCMP_TYPE_RFILE);
 364         g_completion_add_items(gcmp, *list);
 365         *dir_list = g_list_append(*dir_list, g_strdup(dir));
 366 }
 367
 368 static void add_pre_completion_cb(GCompletion *gcmp, gchar *line, void *data)
 369 {
 370         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 371         GList **dir_list = tmp->dir_list;
 372         GList **list = tmp->list;
 373         struct mpdclient *c = tmp->c;
 374
 375         if (*list == NULL) {
 376                 /* create initial list */
 377                 *list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_RFILE);
 378                 g_completion_add_items(gcmp, *list);
 379         } else if (line && line[0] && line[strlen(line)-1]=='/' &&
 380                    string_list_find(*dir_list, line) == NULL) {
 381                 /* add directory content to list */
 382                 add_dir(gcmp, line, dir_list, list, c);
 383         }
 384 }
 385
 386 static void add_post_completion_cb(GCompletion *gcmp, gchar *line,
 387                                    GList *items, void *data)
 388 {
 389         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 390         GList **dir_list = tmp->dir_list;
 391         GList **list = tmp->list;
 392         struct mpdclient *c = tmp->c;
 393
 394         if (g_list_length(items) >= 1)
 395                 screen_display_completion_list(items);
 396
 397         if (line && line[0] && line[strlen(line) - 1] == '/' &&
 398             string_list_find(*dir_list, line) == NULL) {
 399                 /* add directory content to list */
 400                 add_dir(gcmp, line, dir_list, list, c);
 401         }
 402 }
 403 #endif
 404
 405 static int
 406 handle_add_to_playlist(struct mpdclient *c)
 407 {
 408         gchar *path;
 409 #ifndef NCMPC_MINI
 410         GCompletion *gcmp;
 411         GList *list = NULL;
 412         GList *dir_list = NULL;
 413         completion_callback_data_t data;
 414
 415         /* initialize completion support */
 416         gcmp = g_completion_new(NULL);
 417         g_completion_set_compare(gcmp, completion_strncmp);
 418         data.list = &list;
 419         data.dir_list = &dir_list;
 420         data.c = c;
 421         wrln_completion_callback_data = &data;
 422         wrln_pre_completion_callback = add_pre_completion_cb;
 423         wrln_post_completion_callback = add_post_completion_cb;
 424 #endif
 425
 426         /* get path */
 427         path = screen_readln(screen.status_window.w,
 428                              _("Add"),
 429                              NULL,
 430                              NULL,
 431 #ifdef NCMPC_MINI
 432                              NULL
 433 #else
 434                              gcmp
 435 #endif
 436                              );
 437
 438         /* destroy completion data */
 439 #ifndef NCMPC_MINI
 440         wrln_completion_callback_data = NULL;
 441         wrln_pre_completion_callback = NULL;
 442         wrln_post_completion_callback = NULL;
 443         g_completion_free(gcmp);
 444         string_list_free(list);
 445         string_list_free(dir_list);
 446 #endif
 447
 448         /* add the path to the playlist */
 449         if (path != NULL) {
 450                 char *path_utf8 = locale_to_utf8(path);
 451                 mpdclient_cmd_add_path(c, path_utf8);
 452                 g_free(path_utf8);
 453         }
 454
 455         g_free(path);
 456         return 0;
 457 }
 458
 459 static void
 460 play_init(WINDOW *w, int cols, int rows)
 461 {
 462         lw = list_window_init(w, cols, rows);
 463 }
 464
 465 static gboolean
 466 timer_hide_cursor(gpointer data)
 467 {
 468         struct mpdclient *c = data;
 469
 470         assert(options.hide_cursor > 0);
 471         assert(timer_hide_cursor_id != 0);
 472
 473         timer_hide_cursor_id = 0;
 474
 475         /* hide the cursor when mpd is playing and the user is inactive */
 476
 477         if (c->status != NULL &&
 478             mpd_status_get_state(c->status) == MPD_STATE_PLAY) {
 479                 lw->hide_cursor = true;
 480                 playlist_repaint();
 481         } else
 482                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 483                                                      timer_hide_cursor, c);
 484
 485         return FALSE;
 486 }
 487
 488 static void
 489 play_open(struct mpdclient *c)
 490 {
 491         static gboolean install_cb = TRUE;
 492
 493         playlist = &c->playlist;
 494
 495         assert(timer_hide_cursor_id == 0);
 496         if (options.hide_cursor > 0) {
 497                 lw->hide_cursor = false;
 498                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 499                                                      timer_hide_cursor, c);
 500         }
 501
 502         if (install_cb) {
 503                 mpdclient_install_playlist_callback(c, playlist_changed_callback);
 504                 install_cb = FALSE;
 505         }
 506 }
 507
 508 static void
 509 play_close(void)
 510 {
 511         if (timer_hide_cursor_id != 0) {
 512                 g_source_remove(timer_hide_cursor_id);
 513                 timer_hide_cursor_id = 0;
 514         }
 515 }
 516
 517 static void
 518 play_resize(int cols, int rows)
 519 {
 520         lw->cols = cols;
 521         lw->rows = rows;
 522 }
 523
 524
 525 static void
 526 play_exit(void)
 527 {
 528         list_window_free(lw);
 529 }
 530
 531 static const char *
 532 play_title(char *str, size_t size)
 533 {
 534         if (options.host == NULL)
 535                 return _("Playlist");
 536
 537         g_snprintf(str, size, _("Playlist on %s"), options.host);
 538         return str;
 539 }
 540
 541 static void
 542 play_paint(void)
 543 {
 544 #ifndef NCMPC_MINI
 545         must_scroll = false;
 546 #endif
 547
 548         list_window_paint(lw, list_callback, NULL);
 549 }
 550
 551 static void
 552 play_update(struct mpdclient *c)
 553 {
 554         static int prev_song_id = -1;
 555
 556         current_song_id = c->song != NULL && c->status != NULL &&
 557                 !IS_STOPPED(mpd_status_get_state(c->status))
 558                 ? (int)mpd_song_get_id(c->song) : -1;
 559
 560         if (current_song_id != prev_song_id) {
 561                 prev_song_id = current_song_id;
 562
 563                 /* center the cursor */
 564                 if (options.auto_center && current_song_id != -1 && ! lw->range_selection)
 565                         center_playing_item(c, false);
 566
 567                 playlist_repaint();
 568 #ifndef NCMPC_MINI
 569         } else if (options.scroll && must_scroll) {
 570                 /* always repaint if horizontal scrolling is
 571                    enabled */
 572                 playlist_repaint();
 573 #endif
 574         }
 575 }
 576
 577 #ifdef HAVE_GETMOUSE
 578 static bool
 579 handle_mouse_event(struct mpdclient *c)
 580 {
 581         int row;
 582         unsigned selected;
 583         unsigned long bstate;
 584
 585         if (screen_get_mouse_event(c, &bstate, &row) ||
 586             list_window_mouse(lw, playlist_length(playlist), bstate, row)) {
 587                 playlist_repaint();
 588                 return true;
 589         }
 590
 591         if (bstate & BUTTON1_DOUBLE_CLICKED) {
 592                 /* stop */
 593                 screen_cmd(c, CMD_STOP);
 594                 return true;
 595         }
 596
 597         selected = lw->start + row;
 598
 599         if (bstate & BUTTON1_CLICKED) {
 600                 /* play */
 601                 if (lw->start + row < playlist_length(playlist))
 602                         mpdclient_cmd_play(c, lw->start + row);
 603         } else if (bstate & BUTTON3_CLICKED) {
 604                 /* delete */
 605                 if (selected == lw->selected)
 606                         mpdclient_cmd_delete(c, lw->selected);
 607         }
 608
 609         lw->selected = selected;
 610         list_window_check_selected(lw, playlist_length(playlist));
 611         playlist_repaint();
 612
 613         return true;
 614 }
 615 #endif
 616
 617 static bool
 618 play_cmd(struct mpdclient *c, command_t cmd)
 619 {
 620         static command_t cached_cmd = CMD_NONE;
 621         command_t prev_cmd = cached_cmd;
 622         cached_cmd = cmd;
 623
 624         lw->hide_cursor = false;
 625
 626         if (options.hide_cursor > 0) {
 627                 if (timer_hide_cursor_id != 0)
 628                         g_source_remove(timer_hide_cursor_id);
 629                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 630                                                      timer_hide_cursor, c);
 631         }
 632
 633         if (list_window_cmd(lw, playlist_length(&c->playlist), cmd)) {
 634                 playlist_repaint();
 635                 return true;
 636         }
 637
 638         switch(cmd) {
 639         case CMD_PLAY:
 640                 mpdclient_cmd_play(c, lw->selected);
 641                 return true;
 642         case CMD_DELETE:
 643         {
 644                 int i = lw->selected_end, start = lw->selected_start;
 645                 for(; i >= start; --i)
 646                         mpdclient_cmd_delete(c, i);
 647
 648                 i++;
 649                 if(i >= (int)playlist_length(&c->playlist))
 650                         i--;
 651                 lw->selected = i;
 652                 lw->selected_start = i;
 653                 lw->selected_end = i;
 654                 lw->range_selection = false;
 655
 656                 return true;
 657         }
 658         case CMD_SAVE_PLAYLIST:
 659                 playlist_save(c, NULL, NULL);
 660                 return true;
 661         case CMD_ADD:
 662                 handle_add_to_playlist(c);
 663                 return true;
 664         case CMD_SCREEN_UPDATE:
 665                 center_playing_item(c, prev_cmd == CMD_SCREEN_UPDATE);
 666                 playlist_repaint();
 667                 return false;
 668         case CMD_SELECT_PLAYING:
 669                 list_window_set_selected(lw, playlist_get_index(&c->playlist,
 670                                                                 c->song));
 671                 return true;
 672         case CMD_SHUFFLE:
 673         {
 674                 if(!lw->range_selection)
 675                         /* No range selection, shuffle all list. */
 676                         break;
 677
 678                 if (mpdclient_cmd_shuffle_range(c, lw->selected_start, lw->selected_end+1) == 0)
 679                         screen_status_message(_("Shuffled playlist"));
 680
 681                 return true;
 682         }
 683         case CMD_LIST_MOVE_UP:
 684                 if(lw->selected_start == 0)
 685                         return false;
 686                 if(lw->range_selection)
 687                 {
 688                         unsigned i = lw->selected_start;
 689                         unsigned last_selected = lw->selected;
 690                         for(; i <= lw->selected_end; ++i)
 691                                 mpdclient_cmd_move(c, i, i-1);
 692                         lw->selected_start--;
 693                         lw->selected_end--;
 694                         lw->selected = last_selected - 1;
 695                         lw->range_base--;
 696                 }
 697                 else
 698                 {
 699                         mpdclient_cmd_move(c, lw->selected, lw->selected-1);
 700                         lw->selected--;
 701                         lw->selected_start--;
 702                         lw->selected_end--;
 703                 }
 704                 return true;
 705         case CMD_LIST_MOVE_DOWN:
 706                 if(lw->selected_end+1 >= playlist_length(&c->playlist))
 707                         return false;
 708                 if(lw->range_selection)
 709                 {
 710                         int i = lw->selected_end;
 711                         unsigned last_selected = lw->selected;
 712                         for(; i >= (int)lw->selected_start; --i)
 713                                 mpdclient_cmd_move(c, i, i+1);
 714                         lw->selected_start++;
 715                         lw->selected_end++;
 716                         lw->selected = last_selected + 1;
 717                         lw->range_base++;
 718                 }
 719                 else
 720                 {
 721                         mpdclient_cmd_move(c, lw->selected, lw->selected+1);
 722                         lw->selected++;
 723                         lw->selected_start++;
 724                         lw->selected_end++;
 725                 }
 726                 return true;
 727         case CMD_LIST_FIND:
 728         case CMD_LIST_RFIND:
 729         case CMD_LIST_FIND_NEXT:
 730         case CMD_LIST_RFIND_NEXT:
 731                 screen_find(lw, playlist_length(&c->playlist),
 732                             cmd, list_callback, NULL);
 733                 playlist_repaint();
 734                 return true;
 735         case CMD_LIST_JUMP:
 736                 screen_jump(lw, list_callback, NULL);
 737                 playlist_repaint();
 738                 return true;
 739
 740 #ifdef HAVE_GETMOUSE
 741         case CMD_MOUSE_EVENT:
 742                 return handle_mouse_event(c);
 743 #endif
 744
 745 #ifdef ENABLE_SONG_SCREEN
 746         case CMD_SCREEN_SONG:
 747                 if (lw->selected < playlist_length(&c->playlist)) {
 748                         screen_song_switch(c, playlist_get(&c->playlist, lw->selected));
 749                         return true;
 750                 }
 751
 752                 break;
 753 #endif
 754
 755         case CMD_LOCATE:
 756                 if (lw->selected < playlist_length(&c->playlist)) {
 757                         screen_file_goto_song(c, playlist_get(&c->playlist, lw->selected));
 758                         return true;
 759                 }
 760
 761                 break;
 762
 763 #ifdef ENABLE_LYRICS_SCREEN
 764         case CMD_SCREEN_LYRICS:
 765                 if (lw->selected < playlist_length(&c->playlist)) {
 766                         struct mpd_song *selected = playlist_get(&c->playlist, lw->selected);
 767                         bool follow = false;
 768
 769                         if (c->song && selected &&
 770                             !strcmp(mpd_song_get_uri(selected),
 771                                     mpd_song_get_uri(c->song)))
 772                                 follow = true;
 773
 774                         screen_lyrics_switch(c, selected, follow);
 775                         return true;
 776                 }
 777
 778                 break;
 779 #endif
 780         case CMD_SCREEN_SWAP:
 781                 screen_swap(c, playlist_get(&c->playlist, lw->selected));
 782                 return true;
 783
 784         default:
 785                 break;
 786         }
 787
 788         return false;
 789 }
 790
 791 const struct screen_functions screen_playlist = {
 792         .init = play_init,
 793         .exit = play_exit,
 794         .open = play_open,
 795         .close = play_close,
 796         .resize = play_resize,
 797         .paint = play_paint,
 798         .update = play_update,
 799         .cmd = play_cmd,
 800         .get_title = play_title,
 801 };