src/screen_queue.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2010 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 "screen_queue.h"
  21 #include "screen_interface.h"
  22 #include "screen_file.h"
  23 #include "screen_message.h"
  24 #include "screen_find.h"
  25 #include "config.h"
  26 #include "i18n.h"
  27 #include "charset.h"
  28 #include "options.h"
  29 #include "mpdclient.h"
  30 #include "utils.h"
  31 #include "strfsong.h"
  32 #include "wreadln.h"
  33 #include "song_paint.h"
  34 #include "screen.h"
  35 #include "screen_utils.h"
  36 #include "screen_song.h"
  37 #include "screen_lyrics.h"
  38
  39 #ifndef NCMPC_MINI
  40 #include "hscroll.h"
  41 #endif
  42
  43 #include <mpd/client.h>
  44
  45 #include <ctype.h>
  46 #include <string.h>
  47 #include <glib.h>
  48
  49 #define MAX_SONG_LENGTH 512
  50
  51 #ifndef NCMPC_MINI
  52 typedef struct
  53 {
  54         GList **list;
  55         GList **dir_list;
  56         struct mpdclient *c;
  57 } completion_callback_data_t;
  58
  59 static struct hscroll hscroll;
  60 #endif
  61
  62 static struct mpdclient_playlist *playlist;
  63 static int current_song_id = -1;
  64 static int selected_song_id = -1;
  65 static struct list_window *lw;
  66 static guint timer_hide_cursor_id;
  67
  68 static void
  69 screen_queue_paint(void);
  70
  71 static void
  72 screen_queue_repaint(void)
  73 {
  74         screen_queue_paint();
  75         wrefresh(lw->w);
  76 }
  77
  78 static const struct mpd_song *
  79 screen_queue_selected_song(void)
  80 {
  81         return !lw->range_selection &&
  82                 lw->selected < playlist_length(playlist)
  83                 ? playlist_get(playlist, lw->selected)
  84                 : NULL;
  85 }
  86
  87 static void
  88 screen_queue_save_selection(void)
  89 {
  90         selected_song_id = screen_queue_selected_song() != NULL
  91                 ? (int)mpd_song_get_id(screen_queue_selected_song())
  92                 : -1;
  93 }
  94
  95 static void
  96 screen_queue_restore_selection(void)
  97 {
  98         const struct mpd_song *song;
  99         int pos;
 100
 101         list_window_set_length(lw, playlist_length(playlist));
 102
 103         if (selected_song_id < 0)
 104                 /* there was no selection */
 105                 return;
 106
 107         song = screen_queue_selected_song();
 108         if (song != NULL &&
 109             mpd_song_get_id(song) == (unsigned)selected_song_id)
 110                 /* selection is still valid */
 111                 return;
 112
 113         pos = playlist_get_index_from_id(playlist, selected_song_id);
 114         if (pos >= 0)
 115                 list_window_set_cursor(lw, pos);
 116
 117         screen_queue_save_selection();
 118 }
 119
 120 static const char *
 121 screen_queue_lw_callback(unsigned idx, G_GNUC_UNUSED void *data)
 122 {
 123         static char songname[MAX_SONG_LENGTH];
 124         struct mpd_song *song;
 125
 126         assert(playlist != NULL);
 127         assert(idx < playlist_length(playlist));
 128
 129         song = playlist_get(playlist, idx);
 130
 131         strfsong(songname, MAX_SONG_LENGTH, options.list_format, song);
 132
 133         return songname;
 134 }
 135
 136 static void
 137 center_playing_item(const struct mpd_status *status, bool center_cursor)
 138 {
 139         int idx;
 140
 141         if (status == NULL ||
 142             (mpd_status_get_state(status) != MPD_STATE_PLAY &&
 143              mpd_status_get_state(status) != MPD_STATE_PAUSE))
 144                 return;
 145
 146         /* try to center the song that are playing */
 147         idx = mpd_status_get_song_pos(status);
 148         if (idx < 0)
 149                 return;
 150
 151         list_window_center(lw, idx);
 152
 153         if (center_cursor) {
 154                 list_window_set_cursor(lw, idx);
 155                 return;
 156         }
 157
 158         /* make sure the cursor is in the window */
 159         list_window_fetch_cursor(lw);
 160 }
 161
 162 G_GNUC_PURE
 163 static int
 164 get_current_song_id(const struct mpd_status *status)
 165 {
 166         return status != NULL &&
 167                 (mpd_status_get_state(status) == MPD_STATE_PLAY ||
 168                  mpd_status_get_state(status) == MPD_STATE_PAUSE)
 169                 ? (int)mpd_status_get_song_id(status)
 170                 : -1;
 171 }
 172
 173 static bool
 174 screen_queue_song_change(const struct mpd_status *status)
 175 {
 176         if (get_current_song_id(status) == current_song_id)
 177                 return false;
 178
 179         current_song_id = get_current_song_id(status);
 180
 181         /* center the cursor */
 182         if (options.auto_center && !lw->range_selection)
 183                 center_playing_item(status, false);
 184
 185         return true;
 186 }
 187
 188 #ifndef NCMPC_MINI
 189 static void
 190 save_pre_completion_cb(GCompletion *gcmp, G_GNUC_UNUSED gchar *line,
 191                        void *data)
 192 {
 193         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 194         GList **list = tmp->list;
 195         struct mpdclient *c = tmp->c;
 196
 197         if( *list == NULL ) {
 198                 /* create completion list */
 199                 *list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_PLAYLIST);
 200                 g_completion_add_items(gcmp, *list);
 201         }
 202 }
 203
 204 static void
 205 save_post_completion_cb(G_GNUC_UNUSED GCompletion *gcmp,
 206                         G_GNUC_UNUSED gchar *line, GList *items,
 207                         G_GNUC_UNUSED void *data)
 208 {
 209         if (g_list_length(items) >= 1)
 210                 screen_display_completion_list(items);
 211 }
 212 #endif
 213
 214 #ifndef NCMPC_MINI
 215 /**
 216  * Wrapper for strncmp().  We are not allowed to pass &strncmp to
 217  * g_completion_set_compare(), because strncmp() takes size_t where
 218  * g_completion_set_compare passes a gsize value.
 219  */
 220 static gint
 221 completion_strncmp(const gchar *s1, const gchar *s2, gsize n)
 222 {
 223         return strncmp(s1, s2, n);
 224 }
 225 #endif
 226
 227 int
 228 playlist_save(struct mpdclient *c, char *name, char *defaultname)
 229 {
 230         struct mpd_connection *connection;
 231         gchar *filename, *filename_utf8;
 232 #ifndef NCMPC_MINI
 233         GCompletion *gcmp;
 234         GList *list = NULL;
 235         completion_callback_data_t data;
 236 #endif
 237
 238 #ifdef NCMPC_MINI
 239         (void)defaultname;
 240 #endif
 241
 242 #ifndef NCMPC_MINI
 243         if (name == NULL) {
 244                 /* initialize completion support */
 245                 gcmp = g_completion_new(NULL);
 246                 g_completion_set_compare(gcmp, completion_strncmp);
 247                 data.list = &list;
 248                 data.dir_list = NULL;
 249                 data.c = c;
 250                 wrln_completion_callback_data = &data;
 251                 wrln_pre_completion_callback = save_pre_completion_cb;
 252                 wrln_post_completion_callback = save_post_completion_cb;
 253
 254
 255                 /* query the user for a filename */
 256                 filename = screen_readln(_("Save playlist as"),
 257                                          defaultname,
 258                                          NULL,
 259                                          gcmp);
 260
 261                 /* destroy completion support */
 262                 wrln_completion_callback_data = NULL;
 263                 wrln_pre_completion_callback = NULL;
 264                 wrln_post_completion_callback = NULL;
 265                 g_completion_free(gcmp);
 266                 list = string_list_free(list);
 267                 if( filename )
 268                         filename=g_strstrip(filename);
 269         } else
 270 #endif
 271                         filename=g_strdup(name);
 272
 273         if (filename == NULL)
 274                 return -1;
 275
 276         /* send save command to mpd */
 277
 278         connection = mpdclient_get_connection(c);
 279         if (connection == NULL)
 280                 return -1;
 281
 282         filename_utf8 = locale_to_utf8(filename);
 283         if (!mpd_run_save(connection, filename_utf8)) {
 284                 if (mpd_connection_get_error(connection) == MPD_ERROR_SERVER &&
 285                     mpd_connection_get_server_error(connection) == MPD_SERVER_ERROR_EXIST &&
 286                     mpd_connection_clear_error(connection)) {
 287                         char *buf;
 288                         int key;
 289
 290                         buf = g_strdup_printf(_("Replace %s [%s/%s] ? "),
 291                                               filename, YES, NO);
 292                         key = tolower(screen_getch(buf));
 293                         g_free(buf);
 294
 295                         if (key != YES[0]) {
 296                                 g_free(filename_utf8);
 297                                 g_free(filename);
 298                                 screen_status_printf(_("Aborted"));
 299                                 return -1;
 300                         }
 301
 302                         if (!mpd_run_rm(connection, filename_utf8) ||
 303                             !mpd_run_save(connection, filename_utf8)) {
 304                                 mpdclient_handle_error(c);
 305                                 g_free(filename_utf8);
 306                                 g_free(filename);
 307                                 return -1;
 308                         }
 309                 } else {
 310                         mpdclient_handle_error(c);
 311                         g_free(filename_utf8);
 312                         g_free(filename);
 313                         return -1;
 314                 }
 315         }
 316
 317         c->events |= MPD_IDLE_STORED_PLAYLIST;
 318
 319         g_free(filename_utf8);
 320
 321         /* success */
 322         screen_status_printf(_("Saved %s"), filename);
 323         g_free(filename);
 324         return 0;
 325 }
 326
 327 #ifndef NCMPC_MINI
 328 static void add_dir(GCompletion *gcmp, gchar *dir, GList **dir_list,
 329                     GList **list, struct mpdclient *c)
 330 {
 331         g_completion_remove_items(gcmp, *list);
 332         *list = string_list_remove(*list, dir);
 333         *list = gcmp_list_from_path(c, dir, *list, GCMP_TYPE_RFILE);
 334         g_completion_add_items(gcmp, *list);
 335         *dir_list = g_list_append(*dir_list, g_strdup(dir));
 336 }
 337
 338 static void add_pre_completion_cb(GCompletion *gcmp, gchar *line, void *data)
 339 {
 340         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 341         GList **dir_list = tmp->dir_list;
 342         GList **list = tmp->list;
 343         struct mpdclient *c = tmp->c;
 344
 345         if (*list == NULL) {
 346                 /* create initial list */
 347                 *list = gcmp_list_from_path(c, "", NULL, GCMP_TYPE_RFILE);
 348                 g_completion_add_items(gcmp, *list);
 349         } else if (line && line[0] && line[strlen(line)-1]=='/' &&
 350                    string_list_find(*dir_list, line) == NULL) {
 351                 /* add directory content to list */
 352                 add_dir(gcmp, line, dir_list, list, c);
 353         }
 354 }
 355
 356 static void add_post_completion_cb(GCompletion *gcmp, gchar *line,
 357                                    GList *items, void *data)
 358 {
 359         completion_callback_data_t *tmp = (completion_callback_data_t *)data;
 360         GList **dir_list = tmp->dir_list;
 361         GList **list = tmp->list;
 362         struct mpdclient *c = tmp->c;
 363
 364         if (g_list_length(items) >= 1)
 365                 screen_display_completion_list(items);
 366
 367         if (line && line[0] && line[strlen(line) - 1] == '/' &&
 368             string_list_find(*dir_list, line) == NULL) {
 369                 /* add directory content to list */
 370                 add_dir(gcmp, line, dir_list, list, c);
 371         }
 372 }
 373 #endif
 374
 375 static int
 376 handle_add_to_playlist(struct mpdclient *c)
 377 {
 378         gchar *path;
 379         GCompletion *gcmp;
 380 #ifndef NCMPC_MINI
 381         GList *list = NULL;
 382         GList *dir_list = NULL;
 383         completion_callback_data_t data;
 384
 385         /* initialize completion support */
 386         gcmp = g_completion_new(NULL);
 387         g_completion_set_compare(gcmp, completion_strncmp);
 388         data.list = &list;
 389         data.dir_list = &dir_list;
 390         data.c = c;
 391         wrln_completion_callback_data = &data;
 392         wrln_pre_completion_callback = add_pre_completion_cb;
 393         wrln_post_completion_callback = add_post_completion_cb;
 394 #else
 395         gcmp = NULL;
 396 #endif
 397
 398         /* get path */
 399         path = screen_readln(_("Add"),
 400                              NULL,
 401                              NULL,
 402                              gcmp);
 403
 404         /* destroy completion data */
 405 #ifndef NCMPC_MINI
 406         wrln_completion_callback_data = NULL;
 407         wrln_pre_completion_callback = NULL;
 408         wrln_post_completion_callback = NULL;
 409         g_completion_free(gcmp);
 410         string_list_free(list);
 411         string_list_free(dir_list);
 412 #endif
 413
 414         /* add the path to the playlist */
 415         if (path != NULL) {
 416                 char *path_utf8 = locale_to_utf8(path);
 417                 mpdclient_cmd_add_path(c, path_utf8);
 418                 g_free(path_utf8);
 419         }
 420
 421         g_free(path);
 422         return 0;
 423 }
 424
 425 static void
 426 screen_queue_init(WINDOW *w, int cols, int rows)
 427 {
 428         lw = list_window_init(w, cols, rows);
 429
 430 #ifndef NCMPC_MINI
 431         if (options.scroll)
 432                 hscroll_init(&hscroll, w, options.scroll_sep);
 433 #endif
 434 }
 435
 436 static gboolean
 437 timer_hide_cursor(gpointer data)
 438 {
 439         struct mpdclient *c = data;
 440
 441         assert(options.hide_cursor > 0);
 442         assert(timer_hide_cursor_id != 0);
 443
 444         timer_hide_cursor_id = 0;
 445
 446         /* hide the cursor when mpd is playing and the user is inactive */
 447
 448         if (c->status != NULL &&
 449             mpd_status_get_state(c->status) == MPD_STATE_PLAY) {
 450                 lw->hide_cursor = true;
 451                 screen_queue_repaint();
 452         } else
 453                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 454                                                      timer_hide_cursor, c);
 455
 456         return FALSE;
 457 }
 458
 459 static void
 460 screen_queue_open(struct mpdclient *c)
 461 {
 462         playlist = &c->playlist;
 463
 464         assert(timer_hide_cursor_id == 0);
 465         if (options.hide_cursor > 0) {
 466                 lw->hide_cursor = false;
 467                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 468                                                      timer_hide_cursor, c);
 469         }
 470
 471         screen_queue_restore_selection();
 472         screen_queue_song_change(c->status);
 473 }
 474
 475 static void
 476 screen_queue_close(void)
 477 {
 478         if (timer_hide_cursor_id != 0) {
 479                 g_source_remove(timer_hide_cursor_id);
 480                 timer_hide_cursor_id = 0;
 481         }
 482
 483 #ifndef NCMPC_MINI
 484         if (options.scroll)
 485                 hscroll_clear(&hscroll);
 486 #endif
 487 }
 488
 489 static void
 490 screen_queue_resize(int cols, int rows)
 491 {
 492         list_window_resize(lw, cols, rows);
 493 }
 494
 495
 496 static void
 497 screen_queue_exit(void)
 498 {
 499         list_window_free(lw);
 500 }
 501
 502 static const char *
 503 screen_queue_title(char *str, size_t size)
 504 {
 505         if (options.host == NULL)
 506                 return _("Playlist");
 507
 508         g_snprintf(str, size, _("Playlist on %s"), options.host);
 509         return str;
 510 }
 511
 512 static void
 513 screen_queue_paint_callback(WINDOW *w, unsigned i,
 514                             unsigned y, unsigned width,
 515                             bool selected, G_GNUC_UNUSED void *data)
 516 {
 517         const struct mpd_song *song;
 518         struct hscroll *row_hscroll;
 519
 520         assert(playlist != NULL);
 521         assert(i < playlist_length(playlist));
 522
 523         song = playlist_get(playlist, i);
 524
 525 #ifdef NCMPC_MINI
 526         row_hscroll = NULL;
 527 #else
 528         row_hscroll = selected && options.scroll && lw->selected == i
 529                 ? &hscroll : NULL;
 530 #endif
 531
 532         paint_song_row(w, y, width, selected,
 533                        (int)mpd_song_get_id(song) == current_song_id,
 534                        song, row_hscroll);
 535 }
 536
 537 static void
 538 screen_queue_paint(void)
 539 {
 540 #ifndef NCMPC_MINI
 541         if (options.scroll)
 542                 hscroll_clear(&hscroll);
 543 #endif
 544
 545         list_window_paint2(lw, screen_queue_paint_callback, NULL);
 546 }
 547
 548 static void
 549 screen_queue_update(struct mpdclient *c)
 550 {
 551         if (c->events & MPD_IDLE_QUEUE)
 552                 screen_queue_restore_selection();
 553         else
 554                 /* the queue size may have changed, even if we havn't
 555                    revceived the QUEUE idle event yet */
 556                 list_window_set_length(lw, playlist_length(playlist));
 557
 558         if (((c->events & MPD_IDLE_PLAYER) != 0 &&
 559              screen_queue_song_change(c->status)) ||
 560             c->events & MPD_IDLE_QUEUE)
 561                 /* the queue or the current song has changed, we must
 562                    paint the new version */
 563                 screen_queue_repaint();
 564 }
 565
 566 #ifdef HAVE_GETMOUSE
 567 static bool
 568 handle_mouse_event(struct mpdclient *c)
 569 {
 570         int row;
 571         unsigned long bstate;
 572         unsigned old_selected;
 573
 574         if (screen_get_mouse_event(c, &bstate, &row) ||
 575             list_window_mouse(lw, bstate, row)) {
 576                 screen_queue_repaint();
 577                 return true;
 578         }
 579
 580         if (bstate & BUTTON1_DOUBLE_CLICKED) {
 581                 /* stop */
 582                 screen_cmd(c, CMD_STOP);
 583                 return true;
 584         }
 585
 586         old_selected = lw->selected;
 587         list_window_set_cursor(lw, lw->start + row);
 588
 589         if (bstate & BUTTON1_CLICKED) {
 590                 /* play */
 591                 const struct mpd_song *song = screen_queue_selected_song();
 592                 if (song != NULL) {
 593                         struct mpd_connection *connection =
 594                                 mpdclient_get_connection(c);
 595
 596                         if (connection != NULL &&
 597                             !mpd_run_play_id(connection,
 598                                              mpd_song_get_id(song)))
 599                                 mpdclient_handle_error(c);
 600                 }
 601         } else if (bstate & BUTTON3_CLICKED) {
 602                 /* delete */
 603                 if (lw->selected == old_selected)
 604                         mpdclient_cmd_delete(c, lw->selected);
 605
 606                 list_window_set_length(lw, playlist_length(playlist));
 607         }
 608
 609         screen_queue_save_selection();
 610         screen_queue_repaint();
 611
 612         return true;
 613 }
 614 #endif
 615
 616 static bool
 617 screen_queue_cmd(struct mpdclient *c, command_t cmd)
 618 {
 619         struct mpd_connection *connection;
 620         static command_t cached_cmd = CMD_NONE;
 621         command_t prev_cmd = cached_cmd;
 622         struct list_window_range range;
 623         const struct mpd_song *song;
 624
 625         cached_cmd = cmd;
 626
 627         lw->hide_cursor = false;
 628
 629         if (options.hide_cursor > 0) {
 630                 if (timer_hide_cursor_id != 0)
 631                         g_source_remove(timer_hide_cursor_id);
 632                 timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
 633                                                      timer_hide_cursor, c);
 634         }
 635
 636         if (list_window_cmd(lw, cmd)) {
 637                 screen_queue_save_selection();
 638                 screen_queue_repaint();
 639                 return true;
 640         }
 641
 642         switch(cmd) {
 643         case CMD_SCREEN_UPDATE:
 644                 center_playing_item(c->status, prev_cmd == CMD_SCREEN_UPDATE);
 645                 screen_queue_repaint();
 646                 return false;
 647         case CMD_SELECT_PLAYING:
 648                 list_window_set_cursor(lw, playlist_get_index(&c->playlist,
 649                                                               c->song));
 650                 screen_queue_save_selection();
 651                 screen_queue_repaint();
 652                 return true;
 653
 654         case CMD_LIST_FIND:
 655         case CMD_LIST_RFIND:
 656         case CMD_LIST_FIND_NEXT:
 657         case CMD_LIST_RFIND_NEXT:
 658                 screen_find(lw, cmd, screen_queue_lw_callback, NULL);
 659                 screen_queue_save_selection();
 660                 screen_queue_repaint();
 661                 return true;
 662         case CMD_LIST_JUMP:
 663                 screen_jump(lw, screen_queue_lw_callback, NULL, NULL);
 664                 screen_queue_save_selection();
 665                 screen_queue_repaint();
 666                 return true;
 667
 668 #ifdef HAVE_GETMOUSE
 669         case CMD_MOUSE_EVENT:
 670                 return handle_mouse_event(c);
 671 #endif
 672
 673 #ifdef ENABLE_SONG_SCREEN
 674         case CMD_SCREEN_SONG:
 675                 if (screen_queue_selected_song() != NULL) {
 676                         screen_song_switch(c, screen_queue_selected_song());
 677                         return true;
 678                 }
 679
 680                 break;
 681 #endif
 682
 683 #ifdef ENABLE_LYRICS_SCREEN
 684         case CMD_SCREEN_LYRICS:
 685                 if (lw->selected < playlist_length(&c->playlist)) {
 686                         struct mpd_song *selected = playlist_get(&c->playlist, lw->selected);
 687                         bool follow = false;
 688
 689                         if (c->song && selected &&
 690                             !strcmp(mpd_song_get_uri(selected),
 691                                     mpd_song_get_uri(c->song)))
 692                                 follow = true;
 693
 694                         screen_lyrics_switch(c, selected, follow);
 695                         return true;
 696                 }
 697
 698                 break;
 699 #endif
 700         case CMD_SCREEN_SWAP:
 701                 screen_swap(c, playlist_get(&c->playlist, lw->selected));
 702                 return true;
 703
 704         default:
 705                 break;
 706         }
 707
 708         if (!mpdclient_is_connected(c))
 709                 return false;
 710
 711         switch(cmd) {
 712         case CMD_PLAY:
 713                 song = screen_queue_selected_song();
 714                 if (song == NULL)
 715                         return false;
 716
 717                 connection = mpdclient_get_connection(c);
 718                 if (connection != NULL &&
 719                     !mpd_run_play_id(connection, mpd_song_get_id(song)))
 720                         mpdclient_handle_error(c);
 721
 722                 return true;
 723
 724         case CMD_DELETE:
 725                 list_window_get_range(lw, &range);
 726                 mpdclient_cmd_delete_range(c, range.start, range.end);
 727
 728                 list_window_set_cursor(lw, range.start);
 729                 return true;
 730
 731         case CMD_SAVE_PLAYLIST:
 732                 playlist_save(c, NULL, NULL);
 733                 return true;
 734
 735         case CMD_ADD:
 736                 handle_add_to_playlist(c);
 737                 return true;
 738
 739         case CMD_SHUFFLE:
 740                 list_window_get_range(lw, &range);
 741                 if (range.end <= range.start + 1)
 742                         /* No range selection, shuffle all list. */
 743                         break;
 744
 745                 connection = mpdclient_get_connection(c);
 746                 if (connection == NULL)
 747                         return true;
 748
 749                 if (mpd_run_shuffle_range(connection, range.start, range.end))
 750                         screen_status_message(_("Shuffled playlist"));
 751                 else
 752                         mpdclient_handle_error(c);
 753                 return true;
 754
 755         case CMD_LIST_MOVE_UP:
 756                 list_window_get_range(lw, &range);
 757                 if (range.start == 0 || range.end <= range.start)
 758                         return false;
 759
 760                 if (!mpdclient_cmd_move(c, range.end - 1, range.start - 1))
 761                         return true;
 762
 763                 lw->selected--;
 764                 lw->range_base--;
 765
 766                 screen_queue_save_selection();
 767                 return true;
 768
 769         case CMD_LIST_MOVE_DOWN:
 770                 list_window_get_range(lw, &range);
 771                 if (range.end >= playlist_length(&c->playlist))
 772                         return false;
 773
 774                 if (!mpdclient_cmd_move(c, range.start, range.end))
 775                         return true;
 776
 777                 lw->selected++;
 778                 lw->range_base++;
 779
 780                 screen_queue_save_selection();
 781                 return true;
 782
 783         case CMD_LOCATE:
 784                 if (screen_queue_selected_song() != NULL) {
 785                         screen_file_goto_song(c, screen_queue_selected_song());
 786                         return true;
 787                 }
 788
 789                 break;
 790
 791         default:
 792                 break;
 793         }
 794
 795         return false;
 796 }
 797
 798 const struct screen_functions screen_queue = {
 799         .init = screen_queue_init,
 800         .exit = screen_queue_exit,
 801         .open = screen_queue_open,
 802         .close = screen_queue_close,
 803         .resize = screen_queue_resize,
 804         .paint = screen_queue_paint,
 805         .update = screen_queue_update,
 806         .cmd = screen_queue_cmd,
 807         .get_title = screen_queue_title,
 808 };