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