src/screen.c

   1 /*
   2  * (c) 2004 by Kalle Wallin <kaw@linux.se>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  *
  17  */
  18
  19 #include "screen.h"
  20 #include "screen_list.h"
  21 #include "screen_utils.h"
  22 #include "config.h"
  23 #include "i18n.h"
  24 #include "support.h"
  25 #include "charset.h"
  26 #include "mpdclient.h"
  27 #include "utils.h"
  28 #include "options.h"
  29 #include "colors.h"
  30 #include "strfsong.h"
  31
  32 #include <stdlib.h>
  33 #include <unistd.h>
  34 #include <stdarg.h>
  35 #include <string.h>
  36 #include <time.h>
  37 #include <locale.h>
  38
  39 /** welcome message time [s] */
  40 static const GTime SCREEN_WELCOME_TIME = 10;
  41
  42 /** status message time [s] */
  43 static const GTime SCREEN_STATUS_MESSAGE_TIME = 3;
  44
  45 /* minumum window size */
  46 static const int SCREEN_MIN_COLS = 14;
  47 static const int SCREEN_MIN_ROWS = 5;
  48
  49 /* screens */
  50
  51 static gboolean welcome = TRUE;
  52 struct screen screen;
  53 static const struct screen_functions *mode_fn = &screen_playlist;
  54 static int seek_id = -1;
  55 static int seek_target_time = 0;
  56
  57 gboolean
  58 screen_is_visible(const struct screen_functions *sf)
  59 {
  60         return sf == mode_fn;
  61 }
  62
  63 void
  64 screen_switch(const struct screen_functions *sf, struct mpdclient *c)
  65 {
  66         assert(sf != NULL);
  67
  68         if (sf == mode_fn)
  69                 return;
  70
  71         /* close the old mode */
  72         if (mode_fn->close != NULL)
  73                 mode_fn->close();
  74
  75         /* get functions for the new mode */
  76         mode_fn = sf;
  77
  78         /* open the new mode */
  79         if (mode_fn->open != NULL)
  80                 mode_fn->open(c);
  81
  82         screen_paint(c);
  83 }
  84
  85 static int
  86 find_configured_screen(const char *name)
  87 {
  88         unsigned i;
  89
  90         for (i = 0; options.screen_list[i] != NULL; ++i)
  91                 if (strcmp(options.screen_list[i], name) == 0)
  92                         return i;
  93
  94         return -1;
  95 }
  96
  97 static void
  98 screen_next_mode(mpdclient_t *c, int offset)
  99 {
 100         int max = g_strv_length(options.screen_list);
 101         int current, next;
 102         const struct screen_functions *sf;
 103
 104         /* find current screen */
 105         current = find_configured_screen(screen_get_name(mode_fn));
 106         next = current + offset;
 107         if (next<0)
 108                 next = max-1;
 109         else if (next>=max)
 110                 next = 0;
 111
 112         sf = screen_lookup_name(options.screen_list[next]);
 113         if (sf != NULL)
 114                 screen_switch(sf, c);
 115 }
 116
 117 static void
 118 paint_top_window2(const char *header, mpdclient_t *c)
 119 {
 120         char flags[5];
 121         WINDOW *w = screen.top_window.w;
 122         char buf[32];
 123
 124         if (header[0]) {
 125                 colors_use(w, COLOR_TITLE_BOLD);
 126                 mvwaddstr(w, 0, 0, header);
 127         } else {
 128                 colors_use(w, COLOR_TITLE_BOLD);
 129                 waddstr(w, get_key_names(CMD_SCREEN_HELP, FALSE));
 130                 colors_use(w, COLOR_TITLE);
 131                 waddstr(w, _(":Help  "));
 132                 colors_use(w, COLOR_TITLE_BOLD);
 133                 waddstr(w, get_key_names(CMD_SCREEN_PLAY, FALSE));
 134                 colors_use(w, COLOR_TITLE);
 135                 waddstr(w, _(":Playlist  "));
 136                 colors_use(w, COLOR_TITLE_BOLD);
 137                 waddstr(w, get_key_names(CMD_SCREEN_FILE, FALSE));
 138                 colors_use(w, COLOR_TITLE);
 139                 waddstr(w, _(":Browse  "));
 140 #ifdef ENABLE_ARTIST_SCREEN
 141                 colors_use(w, COLOR_TITLE_BOLD);
 142                 waddstr(w, get_key_names(CMD_SCREEN_ARTIST, FALSE));
 143                 colors_use(w, COLOR_TITLE);
 144                 waddstr(w, _(":Artist  "));
 145 #endif
 146 #ifdef ENABLE_SEARCH_SCREEN
 147                 colors_use(w, COLOR_TITLE_BOLD);
 148                 waddstr(w, get_key_names(CMD_SCREEN_SEARCH, FALSE));
 149                 colors_use(w, COLOR_TITLE);
 150                 waddstr(w, _(":Search  "));
 151 #endif
 152 #ifdef ENABLE_LYRICS_SCREEN
 153                 colors_use(w, COLOR_TITLE_BOLD);
 154                 waddstr(w, get_key_names(CMD_SCREEN_LYRICS, FALSE));
 155                 colors_use(w, COLOR_TITLE);
 156                 waddstr(w, _(":Lyrics  "));
 157 #endif
 158         }
 159         if (c->status == NULL || c->status->volume == MPD_STATUS_NO_VOLUME) {
 160                 g_snprintf(buf, 32, _("Volume n/a "));
 161         } else {
 162                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 163         }
 164         colors_use(w, COLOR_TITLE);
 165         mvwaddstr(w, 0, screen.top_window.cols - utf8_width(buf), buf);
 166
 167         flags[0] = 0;
 168         if (c->status != NULL) {
 169                 if (c->status->repeat)
 170                         g_strlcat(flags, "r", sizeof(flags));
 171                 if (c->status->random)
 172                         g_strlcat(flags, "z", sizeof(flags));;
 173                 if (c->status->crossfade)
 174                         g_strlcat(flags, "x", sizeof(flags));
 175                 if (c->status->updatingDb)
 176                         g_strlcat(flags, "U", sizeof(flags));
 177         }
 178
 179         colors_use(w, COLOR_LINE);
 180         mvwhline(w, 1, 0, ACS_HLINE, screen.top_window.cols);
 181         if (flags[0]) {
 182                 wmove(w,1,screen.top_window.cols-strlen(flags)-3);
 183                 waddch(w, '[');
 184                 colors_use(w, COLOR_LINE_BOLD);
 185                 waddstr(w, flags);
 186                 colors_use(w, COLOR_LINE);
 187                 waddch(w, ']');
 188         }
 189         wnoutrefresh(w);
 190 }
 191
 192 static void
 193 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 194 {
 195         static int prev_volume = -1;
 196         static unsigned prev_header_len = -1;
 197         WINDOW *w = screen.top_window.w;
 198
 199         if (prev_header_len != utf8_width(header)) {
 200                 prev_header_len = utf8_width(header);
 201                 full_repaint = 1;
 202         }
 203
 204         if (full_repaint) {
 205                 wmove(w, 0, 0);
 206                 wclrtoeol(w);
 207         }
 208
 209         if ((c->status != NULL && prev_volume != c->status->volume) ||
 210             full_repaint)
 211                 paint_top_window2(header, c);
 212 }
 213
 214 static void
 215 paint_progress_window(mpdclient_t *c)
 216 {
 217         double p;
 218         int width;
 219         int elapsedTime;
 220
 221         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 222                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 223                          screen.progress_window.cols);
 224                 wnoutrefresh(screen.progress_window.w);
 225                 return;
 226         }
 227
 228         if (c->song && seek_id == c->song->id)
 229                 elapsedTime = seek_target_time;
 230         else
 231                 elapsedTime = c->status->elapsedTime;
 232
 233         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 234
 235         width = (int) (p * (double) screen.progress_window.cols);
 236         mvwhline(screen.progress_window.w,
 237                  0, 0,
 238                  ACS_HLINE,
 239                  screen.progress_window.cols);
 240         whline(screen.progress_window.w, '=', width-1);
 241         mvwaddch(screen.progress_window.w, 0, width-1, 'O');
 242         wnoutrefresh(screen.progress_window.w);
 243 }
 244
 245 static void
 246 paint_status_window(mpdclient_t *c)
 247 {
 248         WINDOW *w = screen.status_window.w;
 249         mpd_Status *status = c->status;
 250         mpd_Song *song = c->song;
 251         int elapsedTime = 0;
 252         char bitrate[16];
 253         const char *str = NULL;
 254         int x = 0;
 255
 256         if( time(NULL) - screen.status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 257                 return;
 258
 259         wmove(w, 0, 0);
 260         wclrtoeol(w);
 261         colors_use(w, COLOR_STATUS_BOLD);
 262
 263         switch (status == NULL ? MPD_STATUS_STATE_STOP : status->state) {
 264         case MPD_STATUS_STATE_PLAY:
 265                 str = _("Playing:");
 266                 break;
 267         case MPD_STATUS_STATE_PAUSE:
 268                 str = _("[Paused]");
 269                 break;
 270         case MPD_STATUS_STATE_STOP:
 271         default:
 272                 break;
 273         }
 274
 275         if (str) {
 276                 waddstr(w, str);
 277                 x += utf8_width(str) + 1;
 278         }
 279
 280         /* create time string */
 281         memset(screen.buf, 0, screen.buf_size);
 282         if (status != NULL && (IS_PLAYING(status->state) ||
 283                                IS_PAUSED(status->state))) {
 284                 if (status->totalTime > 0) {
 285                         /*checks the conf to see whether to display elapsed or remaining time */
 286                         if(!strcmp(options.timedisplay_type,"elapsed"))
 287                                 elapsedTime = c->status->elapsedTime;
 288                         else if(!strcmp(options.timedisplay_type,"remaining"))
 289                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 290
 291                         if( c->song && seek_id == c->song->id )
 292                                 elapsedTime = seek_target_time;
 293
 294                         /* display bitrate if visible-bitrate is true */
 295                         if (options.visible_bitrate) {
 296                                 g_snprintf(bitrate, 16,
 297                                            " [%d kbps]", status->bitRate);
 298                         } else {
 299                                 bitrate[0] = '\0';
 300                         }
 301
 302                         /*write out the time, using hours if time over 60 minutes*/
 303                         if (c->status->totalTime > 3600) {
 304                                 g_snprintf(screen.buf, screen.buf_size,
 305                                            "%s [%i:%02i:%02i/%i:%02i:%02i]",
 306                                            bitrate, elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 307                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 308                         } else {
 309                                 g_snprintf(screen.buf, screen.buf_size,
 310                                            "%s [%i:%02i/%i:%02i]",
 311                                            bitrate, elapsedTime/60, elapsedTime%60,
 312                                            status->totalTime/60,   status->totalTime%60 );
 313                         }
 314                 } else {
 315                         g_snprintf(screen.buf, screen.buf_size,
 316                                    " [%d kbps]", status->bitRate );
 317                 }
 318         } else {
 319                 time_t timep;
 320
 321                 time(&timep);
 322                 strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 323         }
 324
 325         /* display song */
 326         if (status != NULL && (IS_PLAYING(status->state) ||
 327                                IS_PAUSED(status->state))) {
 328                 char songname[MAX_SONGNAME_LENGTH];
 329                 int width = COLS - x - utf8_width(screen.buf);
 330
 331                 if (song)
 332                         strfsong(songname, MAX_SONGNAME_LENGTH,
 333                                  options.status_format, song);
 334                 else
 335                         songname[0] = '\0';
 336
 337                 colors_use(w, COLOR_STATUS);
 338                 /* scroll if the song name is to long */
 339                 if (options.scroll && utf8_width(songname) > (unsigned)width) {
 340                         static  scroll_state_t st = { 0, 0 };
 341                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 342
 343                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 344                         g_free(tmp);
 345                 }
 346                 //mvwaddnstr(w, 0, x, songname, width);
 347                 mvwaddstr(w, 0, x, songname);
 348         }
 349
 350         /* display time string */
 351         if (screen.buf[0]) {
 352                 x = screen.status_window.cols - strlen(screen.buf);
 353                 colors_use(w, COLOR_STATUS_TIME);
 354                 mvwaddstr(w, 0, x, screen.buf);
 355         }
 356
 357         wnoutrefresh(w);
 358 }
 359
 360 void
 361 screen_exit(void)
 362 {
 363         if (mode_fn->close != NULL)
 364                 mode_fn->close();
 365
 366         screen_list_exit();
 367
 368         string_list_free(screen.find_history);
 369         g_free(screen.buf);
 370         g_free(screen.findbuf);
 371 }
 372
 373 void
 374 screen_resize(struct mpdclient *c)
 375 {
 376         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 377                 screen_exit();
 378                 fprintf(stderr, _("Error: Screen to small!\n"));
 379                 exit(EXIT_FAILURE);
 380         }
 381
 382         resizeterm(LINES, COLS);
 383
 384         screen.cols = COLS;
 385         screen.rows = LINES;
 386
 387         /* top window */
 388         screen.top_window.cols = screen.cols;
 389         wresize(screen.top_window.w, 2, screen.cols);
 390
 391         /* main window */
 392         screen.main_window.cols = screen.cols;
 393         screen.main_window.rows = screen.rows-4;
 394         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 395         wclear(screen.main_window.w);
 396
 397         /* progress window */
 398         screen.progress_window.cols = screen.cols;
 399         wresize(screen.progress_window.w, 1, screen.cols);
 400         mvwin(screen.progress_window.w, screen.rows-2, 0);
 401
 402         /* status window */
 403         screen.status_window.cols = screen.cols;
 404         wresize(screen.status_window.w, 1, screen.cols);
 405         mvwin(screen.status_window.w, screen.rows-1, 0);
 406
 407         screen.buf_size = screen.cols;
 408         g_free(screen.buf);
 409         screen.buf = g_malloc(screen.cols);
 410
 411         /* resize all screens */
 412         screen_list_resize(screen.main_window.cols, screen.main_window.rows);
 413
 414         /* ? - without this the cursor becomes visible with aterm & Eterm */
 415         curs_set(1);
 416         curs_set(0);
 417
 418         screen_paint(c);
 419 }
 420
 421 void
 422 screen_status_message(const char *msg)
 423 {
 424         WINDOW *w = screen.status_window.w;
 425
 426         wmove(w, 0, 0);
 427         wclrtoeol(w);
 428         colors_use(w, COLOR_STATUS_ALERT);
 429         waddstr(w, msg);
 430         wnoutrefresh(w);
 431         screen.status_timestamp = time(NULL);
 432 }
 433
 434 void
 435 screen_status_printf(const char *format, ...)
 436 {
 437         char *msg;
 438         va_list ap;
 439
 440         va_start(ap,format);
 441         msg = g_strdup_vprintf(format,ap);
 442         va_end(ap);
 443         screen_status_message(msg);
 444         g_free(msg);
 445 }
 446
 447 void
 448 screen_init(mpdclient_t *c)
 449 {
 450         if (COLS < SCREEN_MIN_COLS || LINES < SCREEN_MIN_ROWS) {
 451                 fprintf(stderr, _("Error: Screen to small!\n"));
 452                 exit(EXIT_FAILURE);
 453         }
 454
 455         screen.cols = COLS;
 456         screen.rows = LINES;
 457
 458         screen.buf  = g_malloc(screen.cols);
 459         screen.buf_size = screen.cols;
 460         screen.findbuf = NULL;
 461         screen.start_timestamp = time(NULL);
 462         screen.last_cmd = CMD_NONE;
 463
 464         /* create top window */
 465         screen.top_window.rows = 2;
 466         screen.top_window.cols = screen.cols;
 467         screen.top_window.w = newwin(screen.top_window.rows,
 468                                       screen.top_window.cols,
 469                                       0, 0);
 470         leaveok(screen.top_window.w, TRUE);
 471         keypad(screen.top_window.w, TRUE);
 472
 473         /* create main window */
 474         screen.main_window.rows = screen.rows-4;
 475         screen.main_window.cols = screen.cols;
 476         screen.main_window.w = newwin(screen.main_window.rows,
 477                                        screen.main_window.cols,
 478                                        2,
 479                                        0);
 480
 481         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 482         keypad(screen.main_window.w, TRUE);
 483
 484         /* create progress window */
 485         screen.progress_window.rows = 1;
 486         screen.progress_window.cols = screen.cols;
 487         screen.progress_window.w = newwin(screen.progress_window.rows,
 488                                            screen.progress_window.cols,
 489                                            screen.rows-2,
 490                                            0);
 491         leaveok(screen.progress_window.w, TRUE);
 492
 493         /* create status window */
 494         screen.status_window.rows = 1;
 495         screen.status_window.cols = screen.cols;
 496         screen.status_window.w = newwin(screen.status_window.rows,
 497                                          screen.status_window.cols,
 498                                          screen.rows-1,
 499                                          0);
 500
 501         leaveok(screen.status_window.w, FALSE);
 502         keypad(screen.status_window.w, TRUE);
 503
 504 #ifdef ENABLE_COLORS
 505         if (options.enable_colors) {
 506                 /* set background attributes */
 507                 wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 508                 wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 509                 wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 510                 wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 511                 wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 512                 colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 513         }
 514 #endif
 515
 516         refresh();
 517
 518         /* initialize screens */
 519         screen_list_init(screen.main_window.w,
 520                          screen.main_window.cols, screen.main_window.rows);
 521
 522         if (mode_fn->open != NULL)
 523                 mode_fn->open(c);
 524 }
 525
 526 void
 527 screen_paint(mpdclient_t *c)
 528 {
 529         const char *title = NULL;
 530
 531         if (mode_fn->get_title != NULL)
 532                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 533
 534         /* paint the title/header window */
 535         if( title )
 536                 paint_top_window(title, c, 1);
 537         else
 538                 paint_top_window("", c, 1);
 539
 540         /* paint the main window */
 541         wclear(screen.main_window.w);
 542         if (mode_fn->paint != NULL)
 543                 mode_fn->paint();
 544
 545         paint_progress_window(c);
 546         paint_status_window(c);
 547         wmove(screen.main_window.w, 0, 0);
 548         wnoutrefresh(screen.main_window.w);
 549
 550         /* tell curses to update */
 551         doupdate();
 552 }
 553
 554 void
 555 screen_update(mpdclient_t *c)
 556 {
 557         static int repeat = -1;
 558         static int random_enabled = -1;
 559         static int crossfade = -1;
 560         static int dbupdate = -1;
 561
 562         /* print a message if mpd status has changed */
 563         if (c->status != NULL) {
 564                 if (repeat < 0) {
 565                         repeat = c->status->repeat;
 566                         random_enabled = c->status->random;
 567                         crossfade = c->status->crossfade;
 568                         dbupdate = c->status->updatingDb;
 569                 }
 570
 571                 if (repeat != c->status->repeat)
 572                         screen_status_printf(c->status->repeat ?
 573                                              _("Repeat is on") :
 574                                              _("Repeat is off"));
 575
 576                 if (random_enabled != c->status->random)
 577                         screen_status_printf(c->status->random ?
 578                                              _("Random is on") :
 579                                              _("Random is off"));
 580
 581                 if (crossfade != c->status->crossfade)
 582                         screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 583
 584                 if (dbupdate && dbupdate != c->status->updatingDb) {
 585                         screen_status_printf(_("Database updated!"));
 586                         mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 587                 }
 588
 589                 repeat = c->status->repeat;
 590                 random_enabled = c->status->random;
 591                 crossfade = c->status->crossfade;
 592                 dbupdate = c->status->updatingDb;
 593         }
 594
 595         /* update title/header window */
 596         if (welcome && options.welcome_screen_list &&
 597             screen.last_cmd==CMD_NONE &&
 598             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 599                 paint_top_window("", c, 0);
 600         else if (mode_fn->get_title != NULL) {
 601                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 602                 welcome = FALSE;
 603         } else
 604                 paint_top_window("", c, 0);
 605
 606         /* update the main window */
 607         if (mode_fn->update != NULL)
 608                 mode_fn->update(c);
 609
 610         /* update progress window */
 611         paint_progress_window(c);
 612
 613         /* update status window */
 614         paint_status_window(c);
 615
 616         /* move the cursor to the origin */
 617         wmove(screen.main_window.w, 0, 0);
 618         wnoutrefresh(screen.main_window.w);
 619
 620         /* tell curses to update */
 621         doupdate();
 622 }
 623
 624 void
 625 screen_idle(mpdclient_t *c)
 626 {
 627         if (c->song && seek_id == c->song->id &&
 628             (screen.last_cmd == CMD_SEEK_FORWARD ||
 629              screen.last_cmd == CMD_SEEK_BACKWARD))
 630                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 631
 632         screen.last_cmd = CMD_NONE;
 633         seek_id = -1;
 634 }
 635
 636 #ifdef HAVE_GETMOUSE
 637 int
 638 screen_get_mouse_event(mpdclient_t *c, unsigned long *bstate, int *row)
 639 {
 640         MEVENT event;
 641
 642         /* retreive the mouse event from ncurses */
 643         getmouse(&event);
 644         /* calculate the selected row in the list window */
 645         *row = event.y - screen.top_window.rows;
 646         /* copy button state bits */
 647         *bstate = event.bstate;
 648         /* if button 2 was pressed switch screen */
 649         if (event.bstate & BUTTON2_CLICKED) {
 650                 screen_cmd(c, CMD_SCREEN_NEXT);
 651                 return 1;
 652         }
 653
 654         return 0;
 655 }
 656 #endif
 657
 658 static int
 659 screen_client_cmd(mpdclient_t *c, command_t cmd)
 660 {
 661         if (c->connection == NULL || c->status == NULL)
 662                 return 0;
 663
 664         switch(cmd) {
 665                 /*
 666         case CMD_PLAY:
 667                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 668                 break;
 669                 */
 670         case CMD_PAUSE:
 671                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 672                 break;
 673         case CMD_STOP:
 674                 mpdclient_cmd_stop(c);
 675                 break;
 676         case CMD_CROP:
 677                 mpdclient_cmd_crop(c);
 678                 break;
 679         case CMD_SEEK_FORWARD:
 680                 if (!IS_STOPPED(c->status->state)) {
 681                         if (c->song && seek_id != c->song->id) {
 682                                 seek_id = c->song->id;
 683                                 seek_target_time = c->status->elapsedTime;
 684                         }
 685                         seek_target_time+=options.seek_time;
 686                         if (seek_target_time < c->status->totalTime)
 687                                 break;
 688                         seek_target_time = c->status->totalTime;
 689                         /* seek_target_time=0; */
 690                 }
 691                 break;
 692                 /* fall through... */
 693         case CMD_TRACK_NEXT:
 694                 if (!IS_STOPPED(c->status->state))
 695                         mpdclient_cmd_next(c);
 696                 break;
 697         case CMD_SEEK_BACKWARD:
 698                 if (!IS_STOPPED(c->status->state)) {
 699                         if (seek_id != c->song->id) {
 700                                 seek_id = c->song->id;
 701                                 seek_target_time = c->status->elapsedTime;
 702                         }
 703                         seek_target_time-=options.seek_time;
 704                         if (seek_target_time < 0)
 705                                 seek_target_time=0;
 706                 }
 707                 break;
 708         case CMD_TRACK_PREVIOUS:
 709                 if (!IS_STOPPED(c->status->state))
 710                         mpdclient_cmd_prev(c);
 711                 break;
 712         case CMD_SHUFFLE:
 713                 if (mpdclient_cmd_shuffle(c) == 0)
 714                         screen_status_message(_("Shuffled playlist!"));
 715                 break;
 716         case CMD_CLEAR:
 717                 if (mpdclient_cmd_clear(c) == 0)
 718                         screen_status_message(_("Cleared playlist!"));
 719                 break;
 720         case CMD_REPEAT:
 721                 mpdclient_cmd_repeat(c, !c->status->repeat);
 722                 break;
 723         case CMD_RANDOM:
 724                 mpdclient_cmd_random(c, !c->status->random);
 725                 break;
 726         case CMD_CROSSFADE:
 727                 if (c->status->crossfade)
 728                         mpdclient_cmd_crossfade(c, 0);
 729                 else
 730                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 731                 break;
 732         case CMD_DB_UPDATE:
 733                 if (!c->status->updatingDb) {
 734                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 735                                 screen_status_printf(_("Database update started!"));
 736                 } else
 737                         screen_status_printf(_("Database update running..."));
 738                 break;
 739         case CMD_VOLUME_UP:
 740                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 741                         mpdclient_cmd_volume(c, ++c->status->volume);
 742                 break;
 743         case CMD_VOLUME_DOWN:
 744                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 745                         mpdclient_cmd_volume(c, --c->status->volume);
 746                 break;
 747
 748         default:
 749                 return 0;
 750         }
 751
 752         return 1;
 753 }
 754
 755 void
 756 screen_cmd(mpdclient_t *c, command_t cmd)
 757 {
 758         screen.last_cmd = cmd;
 759         welcome = FALSE;
 760
 761         if (mode_fn->cmd != NULL && mode_fn->cmd(c, cmd))
 762                 return;
 763
 764         if (screen_client_cmd(c, cmd))
 765                 return;
 766
 767         switch(cmd) {
 768         case CMD_TOGGLE_FIND_WRAP:
 769                 options.find_wrap = !options.find_wrap;
 770                 screen_status_printf(options.find_wrap ?
 771                                      _("Find mode: Wrapped") :
 772                                      _("Find mode: Normal"));
 773                 break;
 774         case CMD_TOGGLE_AUTOCENTER:
 775                 options.auto_center = !options.auto_center;
 776                 screen_status_printf(options.auto_center ?
 777                                      _("Auto center mode: On") :
 778                                      _("Auto center mode: Off"));
 779                 break;
 780         case CMD_SCREEN_UPDATE:
 781                 screen_paint(c);
 782                 break;
 783         case CMD_SCREEN_PREVIOUS:
 784                 screen_next_mode(c, -1);
 785                 break;
 786         case CMD_SCREEN_NEXT:
 787                 screen_next_mode(c, 1);
 788                 break;
 789         case CMD_SCREEN_PLAY:
 790                 screen_switch(&screen_playlist, c);
 791                 break;
 792         case CMD_SCREEN_FILE:
 793                 screen_switch(&screen_browse, c);
 794                 break;
 795 #ifdef ENABLE_HELP_SCREEN
 796         case CMD_SCREEN_HELP:
 797                 screen_switch(&screen_help, c);
 798                 break;
 799 #endif
 800 #ifdef ENABLE_SEARCH_SCREEN
 801         case CMD_SCREEN_SEARCH:
 802                 screen_switch(&screen_search, c);
 803                 break;
 804 #endif
 805 #ifdef ENABLE_ARTIST_SCREEN
 806         case CMD_SCREEN_ARTIST:
 807                 screen_switch(&screen_artist, c);
 808                 break;
 809 #endif
 810 #ifdef ENABLE_KEYDEF_SCREEN
 811         case CMD_SCREEN_KEYDEF:
 812                 screen_switch(&screen_keydef, c);
 813                 break;
 814 #endif
 815 #ifdef ENABLE_LYRICS_SCREEN
 816         case CMD_SCREEN_LYRICS:
 817                 screen_switch(&screen_lyrics, c);
 818                 break;
 819 #endif
 820         default:
 821                 break;
 822         }
 823 }