src/screen.c

   1 /*
   2  * $Id$
   3  *
   4  * (c) 2004 by Kalle Wallin <kaw@linux.se>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  */
  20
  21 #include "screen.h"
  22 #include "screen_list.h"
  23 #include "screen_utils.h"
  24 #include "config.h"
  25 #include "ncmpc.h"
  26 #include "i18n.h"
  27 #include "support.h"
  28 #include "mpdclient.h"
  29 #include "utils.h"
  30 #include "command.h"
  31 #include "options.h"
  32 #include "colors.h"
  33 #include "strfsong.h"
  34 #include "wreadln.h"
  35
  36 #include <stdlib.h>
  37 #include <unistd.h>
  38 #include <stdarg.h>
  39 #include <string.h>
  40 #include <time.h>
  41 #include <locale.h>
  42
  43 /* screens */
  44
  45 static gboolean welcome = TRUE;
  46 static struct screen screen;
  47 static const struct screen_functions *mode_fn = &screen_playlist;
  48 static int seek_id = -1;
  49 static int seek_target_time = 0;
  50
  51 gboolean
  52 screen_is_visible(const struct screen_functions *sf)
  53 {
  54         return sf == mode_fn;
  55 }
  56
  57 void
  58 screen_switch(const struct screen_functions *sf, struct mpdclient *c)
  59 {
  60         assert(sf != NULL);
  61
  62         if (sf == mode_fn)
  63                 return;
  64
  65         /* close the old mode */
  66         if (mode_fn->close != NULL)
  67                 mode_fn->close();
  68
  69         /* get functions for the new mode */
  70         mode_fn = sf;
  71         screen.painted = 0;
  72
  73         /* open the new mode */
  74         if (mode_fn->open != NULL)
  75                 mode_fn->open(&screen, c);
  76 }
  77
  78 static int
  79 find_configured_screen(const char *name)
  80 {
  81         unsigned i;
  82
  83         for (i = 0; options.screen_list[i] != NULL; ++i)
  84                 if (strcmp(options.screen_list[i], name) == 0)
  85                         return i;
  86
  87         return -1;
  88 }
  89
  90 static void
  91 screen_next_mode(mpdclient_t *c, int offset)
  92 {
  93         int max = g_strv_length(options.screen_list);
  94         int current, next;
  95         const struct screen_functions *sf;
  96
  97         /* find current screen */
  98         current = find_configured_screen(screen_get_name(mode_fn));
  99         next = current + offset;
 100         if (next<0)
 101                 next = max-1;
 102         else if (next>=max)
 103                 next = 0;
 104
 105         sf = screen_lookup_name(options.screen_list[next]);
 106         if (sf != NULL)
 107                 screen_switch(sf, c);
 108 }
 109
 110 static void
 111 paint_top_window2(const char *header, mpdclient_t *c)
 112 {
 113         char flags[5];
 114         WINDOW *w = screen.top_window.w;
 115         char buf[32];
 116
 117         if (header[0]) {
 118                 colors_use(w, COLOR_TITLE_BOLD);
 119                 mvwaddstr(w, 0, 0, header);
 120         } else {
 121                 colors_use(w, COLOR_TITLE_BOLD);
 122                 waddstr(w, get_key_names(CMD_SCREEN_HELP, FALSE));
 123                 colors_use(w, COLOR_TITLE);
 124                 waddstr(w, _(":Help  "));
 125                 colors_use(w, COLOR_TITLE_BOLD);
 126                 waddstr(w, get_key_names(CMD_SCREEN_PLAY, FALSE));
 127                 colors_use(w, COLOR_TITLE);
 128                 waddstr(w, _(":Playlist  "));
 129                 colors_use(w, COLOR_TITLE_BOLD);
 130                 waddstr(w, get_key_names(CMD_SCREEN_FILE, FALSE));
 131                 colors_use(w, COLOR_TITLE);
 132                 waddstr(w, _(":Browse  "));
 133 #ifdef ENABLE_ARTIST_SCREEN
 134                 colors_use(w, COLOR_TITLE_BOLD);
 135                 waddstr(w, get_key_names(CMD_SCREEN_ARTIST, FALSE));
 136                 colors_use(w, COLOR_TITLE);
 137                 waddstr(w, _(":Artist  "));
 138 #endif
 139 #ifdef ENABLE_SEARCH_SCREEN
 140                 colors_use(w, COLOR_TITLE_BOLD);
 141                 waddstr(w, get_key_names(CMD_SCREEN_SEARCH, FALSE));
 142                 colors_use(w, COLOR_TITLE);
 143                 waddstr(w, _(":Search  "));
 144 #endif
 145 #ifdef ENABLE_LYRICS_SCREEN
 146                 colors_use(w, COLOR_TITLE_BOLD);
 147                 waddstr(w, get_key_names(CMD_SCREEN_LYRICS, FALSE));
 148                 colors_use(w, COLOR_TITLE);
 149                 waddstr(w, _(":Lyrics  "));
 150 #endif
 151         }
 152         if (c->status == NULL || c->status->volume == MPD_STATUS_NO_VOLUME) {
 153                 g_snprintf(buf, 32, _("Volume n/a "));
 154         } else {
 155                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 156         }
 157         colors_use(w, COLOR_TITLE);
 158         mvwaddstr(w, 0, screen.top_window.cols-my_strlen(buf), buf);
 159
 160         flags[0] = 0;
 161         if (c->status != NULL) {
 162                 if (c->status->repeat)
 163                         g_strlcat(flags, "r", sizeof(flags));
 164                 if (c->status->random)
 165                         g_strlcat(flags, "z", sizeof(flags));;
 166                 if (c->status->crossfade)
 167                         g_strlcat(flags, "x", sizeof(flags));
 168                 if (c->status->updatingDb)
 169                         g_strlcat(flags, "U", sizeof(flags));
 170         }
 171
 172         colors_use(w, COLOR_LINE);
 173         mvwhline(w, 1, 0, ACS_HLINE, screen.top_window.cols);
 174         if (flags[0]) {
 175                 wmove(w,1,screen.top_window.cols-strlen(flags)-3);
 176                 waddch(w, '[');
 177                 colors_use(w, COLOR_LINE_BOLD);
 178                 waddstr(w, flags);
 179                 colors_use(w, COLOR_LINE);
 180                 waddch(w, ']');
 181         }
 182         wnoutrefresh(w);
 183 }
 184
 185 static void
 186 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 187 {
 188         static int prev_volume = -1;
 189         static size_t prev_header_len = -1;
 190         WINDOW *w = screen.top_window.w;
 191
 192         if (prev_header_len!=my_strlen(header)) {
 193                 prev_header_len = my_strlen(header);
 194                 full_repaint = 1;
 195         }
 196
 197         if (full_repaint) {
 198                 wmove(w, 0, 0);
 199                 wclrtoeol(w);
 200         }
 201
 202         if ((c->status != NULL && prev_volume != c->status->volume) ||
 203             full_repaint)
 204                 paint_top_window2(header, c);
 205 }
 206
 207 static void
 208 paint_progress_window(mpdclient_t *c)
 209 {
 210         double p;
 211         int width;
 212         int elapsedTime;
 213
 214         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 215                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 216                          screen.progress_window.cols);
 217                 wnoutrefresh(screen.progress_window.w);
 218                 return;
 219         }
 220
 221         if (c->song && seek_id == c->song->id)
 222                 elapsedTime = seek_target_time;
 223         else
 224                 elapsedTime = c->status->elapsedTime;
 225
 226         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 227
 228         width = (int) (p * (double) screen.progress_window.cols);
 229         mvwhline(screen.progress_window.w,
 230                  0, 0,
 231                  ACS_HLINE,
 232                  screen.progress_window.cols);
 233         whline(screen.progress_window.w, '=', width-1);
 234         mvwaddch(screen.progress_window.w, 0, width-1, 'O');
 235         wnoutrefresh(screen.progress_window.w);
 236 }
 237
 238 static void
 239 paint_status_window(mpdclient_t *c)
 240 {
 241         WINDOW *w = screen.status_window.w;
 242         mpd_Status *status = c->status;
 243         mpd_Song *song = c->song;
 244         int elapsedTime = 0;
 245         char bitrate[16];
 246         const char *str = NULL;
 247         int x = 0;
 248
 249         if( time(NULL) - screen.status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 250                 return;
 251
 252         wmove(w, 0, 0);
 253         wclrtoeol(w);
 254         colors_use(w, COLOR_STATUS_BOLD);
 255
 256         switch (status == NULL ? MPD_STATUS_STATE_STOP : status->state) {
 257         case MPD_STATUS_STATE_PLAY:
 258                 str = _("Playing:");
 259                 break;
 260         case MPD_STATUS_STATE_PAUSE:
 261                 str = _("[Paused]");
 262                 break;
 263         case MPD_STATUS_STATE_STOP:
 264         default:
 265                 break;
 266         }
 267
 268         if (str) {
 269                 waddstr(w, str);
 270                 x += my_strlen(str)+1;
 271         }
 272
 273         /* create time string */
 274         memset(screen.buf, 0, screen.buf_size);
 275         if (status != NULL && (IS_PLAYING(status->state) ||
 276                                IS_PAUSED(status->state))) {
 277                 if (status->totalTime > 0) {
 278                         /*checks the conf to see whether to display elapsed or remaining time */
 279                         if(!strcmp(options.timedisplay_type,"elapsed"))
 280                                 elapsedTime = c->status->elapsedTime;
 281                         else if(!strcmp(options.timedisplay_type,"remaining"))
 282                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 283
 284                         if( c->song && seek_id == c->song->id )
 285                                 elapsedTime = seek_target_time;
 286
 287                         /* display bitrate if visible-bitrate is true */
 288                         if (options.visible_bitrate) {
 289                                 g_snprintf(bitrate, 16,
 290                                            " [%d kbps]", status->bitRate);
 291                         } else {
 292                                 bitrate[0] = '\0';
 293                         }
 294
 295                         /*write out the time, using hours if time over 60 minutes*/
 296                         if (c->status->totalTime > 3600) {
 297                                 g_snprintf(screen.buf, screen.buf_size,
 298                                            "%s [%i:%02i:%02i/%i:%02i:%02i]",
 299                                            bitrate, elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 300                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 301                         } else {
 302                                 g_snprintf(screen.buf, screen.buf_size,
 303                                            "%s [%i:%02i/%i:%02i]",
 304                                            bitrate, elapsedTime/60, elapsedTime%60,
 305                                            status->totalTime/60,   status->totalTime%60 );
 306                         }
 307                 } else {
 308                         g_snprintf(screen.buf, screen.buf_size,
 309                                    " [%d kbps]", status->bitRate );
 310                 }
 311         } else {
 312                 time_t timep;
 313
 314                 time(&timep);
 315                 strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 316         }
 317
 318         /* display song */
 319         if (status != NULL && (IS_PLAYING(status->state) ||
 320                                IS_PAUSED(status->state))) {
 321                 char songname[MAX_SONGNAME_LENGTH];
 322                 int width = COLS-x-my_strlen(screen.buf);
 323
 324                 if (song)
 325                         strfsong(songname, MAX_SONGNAME_LENGTH, STATUS_FORMAT, song);
 326                 else
 327                         songname[0] = '\0';
 328
 329                 colors_use(w, COLOR_STATUS);
 330                 /* scroll if the song name is to long */
 331                 if (options.scroll && my_strlen(songname) > (size_t)width) {
 332                         static  scroll_state_t st = { 0, 0 };
 333                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 334
 335                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 336                         g_free(tmp);
 337                 }
 338                 //mvwaddnstr(w, 0, x, songname, width);
 339                 mvwaddstr(w, 0, x, songname);
 340         }
 341
 342         /* display time string */
 343         if (screen.buf[0]) {
 344                 x = screen.status_window.cols - strlen(screen.buf);
 345                 colors_use(w, COLOR_STATUS_TIME);
 346                 mvwaddstr(w, 0, x, screen.buf);
 347         }
 348
 349         wnoutrefresh(w);
 350 }
 351
 352 void
 353 screen_exit(void)
 354 {
 355         if (mode_fn->close != NULL)
 356                 mode_fn->close();
 357
 358         screen_list_exit();
 359
 360         string_list_free(screen.find_history);
 361         g_free(screen.buf);
 362         g_free(screen.findbuf);
 363 }
 364
 365 void
 366 screen_resize(void)
 367 {
 368         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 369                 screen_exit();
 370                 fprintf(stderr, _("Error: Screen to small!\n"));
 371                 exit(EXIT_FAILURE);
 372         }
 373
 374         resizeterm(LINES, COLS);
 375
 376         screen.cols = COLS;
 377         screen.rows = LINES;
 378
 379         /* top window */
 380         screen.top_window.cols = screen.cols;
 381         wresize(screen.top_window.w, 2, screen.cols);
 382
 383         /* main window */
 384         screen.main_window.cols = screen.cols;
 385         screen.main_window.rows = screen.rows-4;
 386         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 387         wclear(screen.main_window.w);
 388
 389         /* progress window */
 390         screen.progress_window.cols = screen.cols;
 391         wresize(screen.progress_window.w, 1, screen.cols);
 392         mvwin(screen.progress_window.w, screen.rows-2, 0);
 393
 394         /* status window */
 395         screen.status_window.cols = screen.cols;
 396         wresize(screen.status_window.w, 1, screen.cols);
 397         mvwin(screen.status_window.w, screen.rows-1, 0);
 398
 399         screen.buf_size = screen.cols;
 400         g_free(screen.buf);
 401         screen.buf = g_malloc(screen.cols);
 402
 403         /* resize all screens */
 404         screen_list_resize(screen.main_window.cols, screen.main_window.rows);
 405
 406         /* ? - without this the cursor becomes visible with aterm & Eterm */
 407         curs_set(1);
 408         curs_set(0);
 409
 410         screen.painted = 0;
 411 }
 412
 413 void
 414 screen_status_message(const char *msg)
 415 {
 416         WINDOW *w = screen.status_window.w;
 417
 418         wmove(w, 0, 0);
 419         wclrtoeol(w);
 420         colors_use(w, COLOR_STATUS_ALERT);
 421         waddstr(w, msg);
 422         wnoutrefresh(w);
 423         screen.status_timestamp = time(NULL);
 424 }
 425
 426 void
 427 screen_status_printf(const char *format, ...)
 428 {
 429         char *msg;
 430         va_list ap;
 431
 432         va_start(ap,format);
 433         msg = g_strdup_vprintf(format,ap);
 434         va_end(ap);
 435         screen_status_message(msg);
 436         g_free(msg);
 437 }
 438
 439 void
 440 screen_init(mpdclient_t *c)
 441 {
 442         if (COLS < SCREEN_MIN_COLS || LINES < SCREEN_MIN_ROWS) {
 443                 fprintf(stderr, _("Error: Screen to small!\n"));
 444                 exit(EXIT_FAILURE);
 445         }
 446
 447         screen.cols = COLS;
 448         screen.rows = LINES;
 449
 450         screen.buf  = g_malloc(screen.cols);
 451         screen.buf_size = screen.cols;
 452         screen.findbuf = NULL;
 453         screen.painted = 0;
 454         screen.start_timestamp = time(NULL);
 455         screen.last_cmd = CMD_NONE;
 456
 457         /* create top window */
 458         screen.top_window.rows = 2;
 459         screen.top_window.cols = screen.cols;
 460         screen.top_window.w = newwin(screen.top_window.rows,
 461                                       screen.top_window.cols,
 462                                       0, 0);
 463         leaveok(screen.top_window.w, TRUE);
 464         keypad(screen.top_window.w, TRUE);
 465
 466         /* create main window */
 467         screen.main_window.rows = screen.rows-4;
 468         screen.main_window.cols = screen.cols;
 469         screen.main_window.w = newwin(screen.main_window.rows,
 470                                        screen.main_window.cols,
 471                                        2,
 472                                        0);
 473
 474         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 475         keypad(screen.main_window.w, TRUE);
 476
 477         /* create progress window */
 478         screen.progress_window.rows = 1;
 479         screen.progress_window.cols = screen.cols;
 480         screen.progress_window.w = newwin(screen.progress_window.rows,
 481                                            screen.progress_window.cols,
 482                                            screen.rows-2,
 483                                            0);
 484         leaveok(screen.progress_window.w, TRUE);
 485
 486         /* create status window */
 487         screen.status_window.rows = 1;
 488         screen.status_window.cols = screen.cols;
 489         screen.status_window.w = newwin(screen.status_window.rows,
 490                                          screen.status_window.cols,
 491                                          screen.rows-1,
 492                                          0);
 493
 494         leaveok(screen.status_window.w, FALSE);
 495         keypad(screen.status_window.w, TRUE);
 496
 497         if (options.enable_colors) {
 498                 /* set background attributes */
 499                 wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 500                 wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 501                 wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 502                 wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 503                 wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 504                 colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 505         }
 506
 507         refresh();
 508
 509         /* initialize screens */
 510         screen_list_init(screen.main_window.w,
 511                          screen.main_window.cols, screen.main_window.rows);
 512
 513         if (mode_fn->open != NULL)
 514                 mode_fn->open(&screen, c);
 515
 516         /* initialize wreadln */
 517         wrln_wgetch = my_wgetch;
 518         wrln_max_history_length = 16;
 519 }
 520
 521 void
 522 screen_paint(mpdclient_t *c)
 523 {
 524         const char *title = NULL;
 525
 526         if (mode_fn->get_title != NULL)
 527                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 528
 529         /* paint the title/header window */
 530         if( title )
 531                 paint_top_window(title, c, 1);
 532         else
 533                 paint_top_window("", c, 1);
 534
 535         /* paint the main window */
 536         wclear(screen.main_window.w);
 537         if (mode_fn->paint != NULL)
 538                 mode_fn->paint(c);
 539
 540         paint_progress_window(c);
 541         paint_status_window(c);
 542         screen.painted = 1;
 543         wmove(screen.main_window.w, 0, 0);
 544         wnoutrefresh(screen.main_window.w);
 545
 546         /* tell curses to update */
 547         doupdate();
 548 }
 549
 550 void
 551 screen_update(mpdclient_t *c)
 552 {
 553         static int repeat = -1;
 554         static int random_enabled = -1;
 555         static int crossfade = -1;
 556         static int dbupdate = -1;
 557
 558         if( !screen.painted )
 559                 screen_paint(c);
 560
 561         /* print a message if mpd status has changed */
 562         if (c->status != NULL) {
 563                 if (repeat < 0) {
 564                         repeat = c->status->repeat;
 565                         random_enabled = c->status->random;
 566                         crossfade = c->status->crossfade;
 567                         dbupdate = c->status->updatingDb;
 568                 }
 569
 570                 if (repeat != c->status->repeat)
 571                         screen_status_printf(c->status->repeat ?
 572                                              _("Repeat is on") :
 573                                              _("Repeat is off"));
 574
 575                 if (random_enabled != c->status->random)
 576                         screen_status_printf(c->status->random ?
 577                                              _("Random is on") :
 578                                              _("Random is off"));
 579
 580                 if (crossfade != c->status->crossfade)
 581                         screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 582
 583                 if (dbupdate && dbupdate != c->status->updatingDb) {
 584                         screen_status_printf(_("Database updated!"));
 585                         mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 586                 }
 587
 588                 repeat = c->status->repeat;
 589                 random_enabled = c->status->random;
 590                 crossfade = c->status->crossfade;
 591                 dbupdate = c->status->updatingDb;
 592         }
 593
 594         /* update title/header window */
 595         if (welcome && options.welcome_screen_list &&
 596             screen.last_cmd==CMD_NONE &&
 597             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 598                 paint_top_window("", c, 0);
 599         else if (mode_fn->get_title != NULL) {
 600                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 601                 welcome = FALSE;
 602         } else
 603                 paint_top_window("", c, 0);
 604
 605         /* update the main window */
 606         if (mode_fn->update != NULL)
 607                 mode_fn->update(c);
 608
 609         /* update progress window */
 610         paint_progress_window(c);
 611
 612         /* update status window */
 613         paint_status_window(c);
 614
 615         /* move the cursor to the origin */
 616         wmove(screen.main_window.w, 0, 0);
 617         wnoutrefresh(screen.main_window.w);
 618
 619         /* tell curses to update */
 620         doupdate();
 621 }
 622
 623 void
 624 screen_idle(mpdclient_t *c)
 625 {
 626         if (c->song && seek_id == c->song->id &&
 627             (screen.last_cmd == CMD_SEEK_FORWARD ||
 628              screen.last_cmd == CMD_SEEK_BACKWARD))
 629                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 630
 631         screen.last_cmd = CMD_NONE;
 632         seek_id = -1;
 633 }
 634
 635 #ifdef HAVE_GETMOUSE
 636 int
 637 screen_get_mouse_event(mpdclient_t *c, unsigned long *bstate, int *row)
 638 {
 639         MEVENT event;
 640
 641         /* retreive the mouse event from ncurses */
 642         getmouse(&event);
 643         /* calculate the selected row in the list window */
 644         *row = event.y - screen.top_window.rows;
 645         /* copy button state bits */
 646         *bstate = event.bstate;
 647         /* if button 2 was pressed switch screen */
 648         if (event.bstate & BUTTON2_CLICKED) {
 649                 screen_cmd(c, CMD_SCREEN_NEXT);
 650                 return 1;
 651         }
 652
 653         return 0;
 654 }
 655 #endif
 656
 657 static int
 658 screen_client_cmd(mpdclient_t *c, command_t cmd)
 659 {
 660         if (c->connection == NULL || c->status == NULL)
 661                 return 0;
 662
 663         switch(cmd) {
 664                 /*
 665         case CMD_PLAY:
 666                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 667                 break;
 668                 */
 669         case CMD_PAUSE:
 670                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 671                 break;
 672         case CMD_STOP:
 673                 mpdclient_cmd_stop(c);
 674                 break;
 675         case CMD_CROP:
 676                 mpdclient_cmd_crop(c);
 677                 break;
 678         case CMD_SEEK_FORWARD:
 679                 if (!IS_STOPPED(c->status->state)) {
 680                         if (c->song && seek_id != c->song->id) {
 681                                 seek_id = c->song->id;
 682                                 seek_target_time = c->status->elapsedTime;
 683                         }
 684                         seek_target_time+=options.seek_time;
 685                         if (seek_target_time < c->status->totalTime)
 686                                 break;
 687                         seek_target_time = c->status->totalTime;
 688                         /* seek_target_time=0; */
 689                 }
 690                 break;
 691                 /* fall through... */
 692         case CMD_TRACK_NEXT:
 693                 if (!IS_STOPPED(c->status->state))
 694                         mpdclient_cmd_next(c);
 695                 break;
 696         case CMD_SEEK_BACKWARD:
 697                 if (!IS_STOPPED(c->status->state)) {
 698                         if (seek_id != c->song->id) {
 699                                 seek_id = c->song->id;
 700                                 seek_target_time = c->status->elapsedTime;
 701                         }
 702                         seek_target_time-=options.seek_time;
 703                         if (seek_target_time < 0)
 704                                 seek_target_time=0;
 705                 }
 706                 break;
 707         case CMD_TRACK_PREVIOUS:
 708                 if (!IS_STOPPED(c->status->state))
 709                         mpdclient_cmd_prev(c);
 710                 break;
 711         case CMD_SHUFFLE:
 712                 if (mpdclient_cmd_shuffle(c) == 0)
 713                         screen_status_message(_("Shuffled playlist!"));
 714                 break;
 715         case CMD_CLEAR:
 716                 if (mpdclient_cmd_clear(c) == 0)
 717                         screen_status_message(_("Cleared playlist!"));
 718                 break;
 719         case CMD_REPEAT:
 720                 mpdclient_cmd_repeat(c, !c->status->repeat);
 721                 break;
 722         case CMD_RANDOM:
 723                 mpdclient_cmd_random(c, !c->status->random);
 724                 break;
 725         case CMD_CROSSFADE:
 726                 if (c->status->crossfade)
 727                         mpdclient_cmd_crossfade(c, 0);
 728                 else
 729                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 730                 break;
 731         case CMD_DB_UPDATE:
 732                 if (!c->status->updatingDb) {
 733                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 734                                 screen_status_printf(_("Database update started!"));
 735                 } else
 736                         screen_status_printf(_("Database update running..."));
 737                 break;
 738         case CMD_VOLUME_UP:
 739                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 740                         mpdclient_cmd_volume(c, ++c->status->volume);
 741                 break;
 742         case CMD_VOLUME_DOWN:
 743                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 744                         mpdclient_cmd_volume(c, --c->status->volume);
 745                 break;
 746
 747         default:
 748                 return 0;
 749         }
 750
 751         return 1;
 752 }
 753
 754 void
 755 screen_cmd(mpdclient_t *c, command_t cmd)
 756 {
 757         screen.last_cmd = cmd;
 758         welcome = FALSE;
 759
 760         if (mode_fn->cmd != NULL && mode_fn->cmd(&screen, c, cmd))
 761                 return;
 762
 763         if (screen_client_cmd(c, cmd))
 764                 return;
 765
 766         switch(cmd) {
 767         case CMD_TOGGLE_FIND_WRAP:
 768                 options.find_wrap = !options.find_wrap;
 769                 screen_status_printf(options.find_wrap ?
 770                                      _("Find mode: Wrapped") :
 771                                      _("Find mode: Normal"));
 772                 break;
 773         case CMD_TOGGLE_AUTOCENTER:
 774                 options.auto_center = !options.auto_center;
 775                 screen_status_printf(options.auto_center ?
 776                                      _("Auto center mode: On") :
 777                                      _("Auto center mode: Off"));
 778                 break;
 779         case CMD_SCREEN_UPDATE:
 780                 screen.painted = 0;
 781                 break;
 782         case CMD_SCREEN_PREVIOUS:
 783                 screen_next_mode(c, -1);
 784                 break;
 785         case CMD_SCREEN_NEXT:
 786                 screen_next_mode(c, 1);
 787                 break;
 788         case CMD_SCREEN_PLAY:
 789                 screen_switch(&screen_playlist, c);
 790                 break;
 791         case CMD_SCREEN_FILE:
 792                 screen_switch(&screen_browse, c);
 793                 break;
 794         case CMD_SCREEN_HELP:
 795                 screen_switch(&screen_help, c);
 796                 break;
 797 #ifdef ENABLE_SEARCH_SCREEN
 798         case CMD_SCREEN_SEARCH:
 799                 screen_switch(&screen_search, c);
 800                 break;
 801 #endif
 802 #ifdef ENABLE_ARTIST_SCREEN
 803         case CMD_SCREEN_ARTIST:
 804                 screen_switch(&screen_artist, c);
 805                 break;
 806 #endif
 807 #ifdef ENABLE_KEYDEF_SCREEN
 808         case CMD_SCREEN_KEYDEF:
 809                 screen_switch(&screen_keydef, c);
 810                 break;
 811 #endif
 812 #ifdef ENABLE_LYRICS_SCREEN
 813         case CMD_SCREEN_LYRICS:
 814                 screen_switch(&screen_lyrics, c);
 815                 break;
 816 #endif
 817         default:
 818                 break;
 819         }
 820 }