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 "i18n.h"
  26 #include "support.h"
  27 #include "mpdclient.h"
  28 #include "utils.h"
  29 #include "command.h"
  30 #include "options.h"
  31 #include "colors.h"
  32 #include "strfsong.h"
  33 #include "wreadln.h"
  34
  35 #include <stdlib.h>
  36 #include <unistd.h>
  37 #include <stdarg.h>
  38 #include <string.h>
  39 #include <time.h>
  40 #include <locale.h>
  41
  42 /** welcome message time [s] */
  43 static const unsigned SCREEN_WELCOME_TIME = 10;
  44
  45 /** status message time [s] */
  46 static const unsigned SCREEN_STATUS_MESSAGE_TIME = 3;
  47
  48 /* minumum window size */
  49 static const int SCREEN_MIN_COLS = 14;
  50 static const int SCREEN_MIN_ROWS = 5;
  51
  52 /* screens */
  53
  54 static gboolean welcome = TRUE;
  55 static struct screen screen;
  56 static const struct screen_functions *mode_fn = &screen_playlist;
  57 static int seek_id = -1;
  58 static int seek_target_time = 0;
  59
  60 gboolean
  61 screen_is_visible(const struct screen_functions *sf)
  62 {
  63         return sf == mode_fn;
  64 }
  65
  66 void
  67 screen_switch(const struct screen_functions *sf, struct mpdclient *c)
  68 {
  69         assert(sf != NULL);
  70
  71         if (sf == mode_fn)
  72                 return;
  73
  74         /* close the old mode */
  75         if (mode_fn->close != NULL)
  76                 mode_fn->close();
  77
  78         /* get functions for the new mode */
  79         mode_fn = sf;
  80         screen.painted = 0;
  81
  82         /* open the new mode */
  83         if (mode_fn->open != NULL)
  84                 mode_fn->open(&screen, c);
  85 }
  86
  87 static int
  88 find_configured_screen(const char *name)
  89 {
  90         unsigned i;
  91
  92         for (i = 0; options.screen_list[i] != NULL; ++i)
  93                 if (strcmp(options.screen_list[i], name) == 0)
  94                         return i;
  95
  96         return -1;
  97 }
  98
  99 static void
 100 screen_next_mode(mpdclient_t *c, int offset)
 101 {
 102         int max = g_strv_length(options.screen_list);
 103         int current, next;
 104         const struct screen_functions *sf;
 105
 106         /* find current screen */
 107         current = find_configured_screen(screen_get_name(mode_fn));
 108         next = current + offset;
 109         if (next<0)
 110                 next = max-1;
 111         else if (next>=max)
 112                 next = 0;
 113
 114         sf = screen_lookup_name(options.screen_list[next]);
 115         if (sf != NULL)
 116                 screen_switch(sf, c);
 117 }
 118
 119 static void
 120 paint_top_window2(const char *header, mpdclient_t *c)
 121 {
 122         char flags[5];
 123         WINDOW *w = screen.top_window.w;
 124         char buf[32];
 125
 126         if (header[0]) {
 127                 colors_use(w, COLOR_TITLE_BOLD);
 128                 mvwaddstr(w, 0, 0, header);
 129         } else {
 130                 colors_use(w, COLOR_TITLE_BOLD);
 131                 waddstr(w, get_key_names(CMD_SCREEN_HELP, FALSE));
 132                 colors_use(w, COLOR_TITLE);
 133                 waddstr(w, _(":Help  "));
 134                 colors_use(w, COLOR_TITLE_BOLD);
 135                 waddstr(w, get_key_names(CMD_SCREEN_PLAY, FALSE));
 136                 colors_use(w, COLOR_TITLE);
 137                 waddstr(w, _(":Playlist  "));
 138                 colors_use(w, COLOR_TITLE_BOLD);
 139                 waddstr(w, get_key_names(CMD_SCREEN_FILE, FALSE));
 140                 colors_use(w, COLOR_TITLE);
 141                 waddstr(w, _(":Browse  "));
 142 #ifdef ENABLE_ARTIST_SCREEN
 143                 colors_use(w, COLOR_TITLE_BOLD);
 144                 waddstr(w, get_key_names(CMD_SCREEN_ARTIST, FALSE));
 145                 colors_use(w, COLOR_TITLE);
 146                 waddstr(w, _(":Artist  "));
 147 #endif
 148 #ifdef ENABLE_SEARCH_SCREEN
 149                 colors_use(w, COLOR_TITLE_BOLD);
 150                 waddstr(w, get_key_names(CMD_SCREEN_SEARCH, FALSE));
 151                 colors_use(w, COLOR_TITLE);
 152                 waddstr(w, _(":Search  "));
 153 #endif
 154 #ifdef ENABLE_LYRICS_SCREEN
 155                 colors_use(w, COLOR_TITLE_BOLD);
 156                 waddstr(w, get_key_names(CMD_SCREEN_LYRICS, FALSE));
 157                 colors_use(w, COLOR_TITLE);
 158                 waddstr(w, _(":Lyrics  "));
 159 #endif
 160         }
 161         if (c->status == NULL || c->status->volume == MPD_STATUS_NO_VOLUME) {
 162                 g_snprintf(buf, 32, _("Volume n/a "));
 163         } else {
 164                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 165         }
 166         colors_use(w, COLOR_TITLE);
 167         mvwaddstr(w, 0, screen.top_window.cols-my_strlen(buf), buf);
 168
 169         flags[0] = 0;
 170         if (c->status != NULL) {
 171                 if (c->status->repeat)
 172                         g_strlcat(flags, "r", sizeof(flags));
 173                 if (c->status->random)
 174                         g_strlcat(flags, "z", sizeof(flags));;
 175                 if (c->status->crossfade)
 176                         g_strlcat(flags, "x", sizeof(flags));
 177                 if (c->status->updatingDb)
 178                         g_strlcat(flags, "U", sizeof(flags));
 179         }
 180
 181         colors_use(w, COLOR_LINE);
 182         mvwhline(w, 1, 0, ACS_HLINE, screen.top_window.cols);
 183         if (flags[0]) {
 184                 wmove(w,1,screen.top_window.cols-strlen(flags)-3);
 185                 waddch(w, '[');
 186                 colors_use(w, COLOR_LINE_BOLD);
 187                 waddstr(w, flags);
 188                 colors_use(w, COLOR_LINE);
 189                 waddch(w, ']');
 190         }
 191         wnoutrefresh(w);
 192 }
 193
 194 static void
 195 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 196 {
 197         static int prev_volume = -1;
 198         static size_t prev_header_len = -1;
 199         WINDOW *w = screen.top_window.w;
 200
 201         if (prev_header_len!=my_strlen(header)) {
 202                 prev_header_len = my_strlen(header);
 203                 full_repaint = 1;
 204         }
 205
 206         if (full_repaint) {
 207                 wmove(w, 0, 0);
 208                 wclrtoeol(w);
 209         }
 210
 211         if ((c->status != NULL && prev_volume != c->status->volume) ||
 212             full_repaint)
 213                 paint_top_window2(header, c);
 214 }
 215
 216 static void
 217 paint_progress_window(mpdclient_t *c)
 218 {
 219         double p;
 220         int width;
 221         int elapsedTime;
 222
 223         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 224                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 225                          screen.progress_window.cols);
 226                 wnoutrefresh(screen.progress_window.w);
 227                 return;
 228         }
 229
 230         if (c->song && seek_id == c->song->id)
 231                 elapsedTime = seek_target_time;
 232         else
 233                 elapsedTime = c->status->elapsedTime;
 234
 235         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 236
 237         width = (int) (p * (double) screen.progress_window.cols);
 238         mvwhline(screen.progress_window.w,
 239                  0, 0,
 240                  ACS_HLINE,
 241                  screen.progress_window.cols);
 242         whline(screen.progress_window.w, '=', width-1);
 243         mvwaddch(screen.progress_window.w, 0, width-1, 'O');
 244         wnoutrefresh(screen.progress_window.w);
 245 }
 246
 247 static void
 248 paint_status_window(mpdclient_t *c)
 249 {
 250         WINDOW *w = screen.status_window.w;
 251         mpd_Status *status = c->status;
 252         mpd_Song *song = c->song;
 253         int elapsedTime = 0;
 254         char bitrate[16];
 255         const char *str = NULL;
 256         int x = 0;
 257
 258         if( time(NULL) - screen.status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 259                 return;
 260
 261         wmove(w, 0, 0);
 262         wclrtoeol(w);
 263         colors_use(w, COLOR_STATUS_BOLD);
 264
 265         switch (status == NULL ? MPD_STATUS_STATE_STOP : status->state) {
 266         case MPD_STATUS_STATE_PLAY:
 267                 str = _("Playing:");
 268                 break;
 269         case MPD_STATUS_STATE_PAUSE:
 270                 str = _("[Paused]");
 271                 break;
 272         case MPD_STATUS_STATE_STOP:
 273         default:
 274                 break;
 275         }
 276
 277         if (str) {
 278                 waddstr(w, str);
 279                 x += my_strlen(str)+1;
 280         }
 281
 282         /* create time string */
 283         memset(screen.buf, 0, screen.buf_size);
 284         if (status != NULL && (IS_PLAYING(status->state) ||
 285                                IS_PAUSED(status->state))) {
 286                 if (status->totalTime > 0) {
 287                         /*checks the conf to see whether to display elapsed or remaining time */
 288                         if(!strcmp(options.timedisplay_type,"elapsed"))
 289                                 elapsedTime = c->status->elapsedTime;
 290                         else if(!strcmp(options.timedisplay_type,"remaining"))
 291                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 292
 293                         if( c->song && seek_id == c->song->id )
 294                                 elapsedTime = seek_target_time;
 295
 296                         /* display bitrate if visible-bitrate is true */
 297                         if (options.visible_bitrate) {
 298                                 g_snprintf(bitrate, 16,
 299                                            " [%d kbps]", status->bitRate);
 300                         } else {
 301                                 bitrate[0] = '\0';
 302                         }
 303
 304                         /*write out the time, using hours if time over 60 minutes*/
 305                         if (c->status->totalTime > 3600) {
 306                                 g_snprintf(screen.buf, screen.buf_size,
 307                                            "%s [%i:%02i:%02i/%i:%02i:%02i]",
 308                                            bitrate, elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 309                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 310                         } else {
 311                                 g_snprintf(screen.buf, screen.buf_size,
 312                                            "%s [%i:%02i/%i:%02i]",
 313                                            bitrate, elapsedTime/60, elapsedTime%60,
 314                                            status->totalTime/60,   status->totalTime%60 );
 315                         }
 316                 } else {
 317                         g_snprintf(screen.buf, screen.buf_size,
 318                                    " [%d kbps]", status->bitRate );
 319                 }
 320         } else {
 321                 time_t timep;
 322
 323                 time(&timep);
 324                 strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 325         }
 326
 327         /* display song */
 328         if (status != NULL && (IS_PLAYING(status->state) ||
 329                                IS_PAUSED(status->state))) {
 330                 char songname[MAX_SONGNAME_LENGTH];
 331                 int width = COLS-x-my_strlen(screen.buf);
 332
 333                 if (song)
 334                         strfsong(songname, MAX_SONGNAME_LENGTH,
 335                                  options.status_format, song);
 336                 else
 337                         songname[0] = '\0';
 338
 339                 colors_use(w, COLOR_STATUS);
 340                 /* scroll if the song name is to long */
 341                 if (options.scroll && my_strlen(songname) > (size_t)width) {
 342                         static  scroll_state_t st = { 0, 0 };
 343                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 344
 345                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 346                         g_free(tmp);
 347                 }
 348                 //mvwaddnstr(w, 0, x, songname, width);
 349                 mvwaddstr(w, 0, x, songname);
 350         }
 351
 352         /* display time string */
 353         if (screen.buf[0]) {
 354                 x = screen.status_window.cols - strlen(screen.buf);
 355                 colors_use(w, COLOR_STATUS_TIME);
 356                 mvwaddstr(w, 0, x, screen.buf);
 357         }
 358
 359         wnoutrefresh(w);
 360 }
 361
 362 void
 363 screen_exit(void)
 364 {
 365         if (mode_fn->close != NULL)
 366                 mode_fn->close();
 367
 368         screen_list_exit();
 369
 370         string_list_free(screen.find_history);
 371         g_free(screen.buf);
 372         g_free(screen.findbuf);
 373 }
 374
 375 void
 376 screen_resize(void)
 377 {
 378         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 379                 screen_exit();
 380                 fprintf(stderr, _("Error: Screen to small!\n"));
 381                 exit(EXIT_FAILURE);
 382         }
 383
 384         resizeterm(LINES, COLS);
 385
 386         screen.cols = COLS;
 387         screen.rows = LINES;
 388
 389         /* top window */
 390         screen.top_window.cols = screen.cols;
 391         wresize(screen.top_window.w, 2, screen.cols);
 392
 393         /* main window */
 394         screen.main_window.cols = screen.cols;
 395         screen.main_window.rows = screen.rows-4;
 396         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 397         wclear(screen.main_window.w);
 398
 399         /* progress window */
 400         screen.progress_window.cols = screen.cols;
 401         wresize(screen.progress_window.w, 1, screen.cols);
 402         mvwin(screen.progress_window.w, screen.rows-2, 0);
 403
 404         /* status window */
 405         screen.status_window.cols = screen.cols;
 406         wresize(screen.status_window.w, 1, screen.cols);
 407         mvwin(screen.status_window.w, screen.rows-1, 0);
 408
 409         screen.buf_size = screen.cols;
 410         g_free(screen.buf);
 411         screen.buf = g_malloc(screen.cols);
 412
 413         /* resize all screens */
 414         screen_list_resize(screen.main_window.cols, screen.main_window.rows);
 415
 416         /* ? - without this the cursor becomes visible with aterm & Eterm */
 417         curs_set(1);
 418         curs_set(0);
 419
 420         screen.painted = 0;
 421 }
 422
 423 void
 424 screen_status_message(const char *msg)
 425 {
 426         WINDOW *w = screen.status_window.w;
 427
 428         wmove(w, 0, 0);
 429         wclrtoeol(w);
 430         colors_use(w, COLOR_STATUS_ALERT);
 431         waddstr(w, msg);
 432         wnoutrefresh(w);
 433         screen.status_timestamp = time(NULL);
 434 }
 435
 436 void
 437 screen_status_printf(const char *format, ...)
 438 {
 439         char *msg;
 440         va_list ap;
 441
 442         va_start(ap,format);
 443         msg = g_strdup_vprintf(format,ap);
 444         va_end(ap);
 445         screen_status_message(msg);
 446         g_free(msg);
 447 }
 448
 449 void
 450 screen_init(mpdclient_t *c)
 451 {
 452         if (COLS < SCREEN_MIN_COLS || LINES < SCREEN_MIN_ROWS) {
 453                 fprintf(stderr, _("Error: Screen to small!\n"));
 454                 exit(EXIT_FAILURE);
 455         }
 456
 457         screen.cols = COLS;
 458         screen.rows = LINES;
 459
 460         screen.buf  = g_malloc(screen.cols);
 461         screen.buf_size = screen.cols;
 462         screen.findbuf = NULL;
 463         screen.painted = 0;
 464         screen.start_timestamp = time(NULL);
 465         screen.last_cmd = CMD_NONE;
 466
 467         /* create top window */
 468         screen.top_window.rows = 2;
 469         screen.top_window.cols = screen.cols;
 470         screen.top_window.w = newwin(screen.top_window.rows,
 471                                       screen.top_window.cols,
 472                                       0, 0);
 473         leaveok(screen.top_window.w, TRUE);
 474         keypad(screen.top_window.w, TRUE);
 475
 476         /* create main window */
 477         screen.main_window.rows = screen.rows-4;
 478         screen.main_window.cols = screen.cols;
 479         screen.main_window.w = newwin(screen.main_window.rows,
 480                                        screen.main_window.cols,
 481                                        2,
 482                                        0);
 483
 484         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 485         keypad(screen.main_window.w, TRUE);
 486
 487         /* create progress window */
 488         screen.progress_window.rows = 1;
 489         screen.progress_window.cols = screen.cols;
 490         screen.progress_window.w = newwin(screen.progress_window.rows,
 491                                            screen.progress_window.cols,
 492                                            screen.rows-2,
 493                                            0);
 494         leaveok(screen.progress_window.w, TRUE);
 495
 496         /* create status window */
 497         screen.status_window.rows = 1;
 498         screen.status_window.cols = screen.cols;
 499         screen.status_window.w = newwin(screen.status_window.rows,
 500                                          screen.status_window.cols,
 501                                          screen.rows-1,
 502                                          0);
 503
 504         leaveok(screen.status_window.w, FALSE);
 505         keypad(screen.status_window.w, TRUE);
 506
 507         if (options.enable_colors) {
 508                 /* set background attributes */
 509                 wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 510                 wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 511                 wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 512                 wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 513                 wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 514                 colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 515         }
 516
 517         refresh();
 518
 519         /* initialize screens */
 520         screen_list_init(screen.main_window.w,
 521                          screen.main_window.cols, screen.main_window.rows);
 522
 523         if (mode_fn->open != NULL)
 524                 mode_fn->open(&screen, c);
 525
 526         /* initialize wreadln */
 527         wrln_wgetch = my_wgetch;
 528         wrln_max_history_length = 16;
 529 }
 530
 531 void
 532 screen_paint(mpdclient_t *c)
 533 {
 534         const char *title = NULL;
 535
 536         if (mode_fn->get_title != NULL)
 537                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 538
 539         /* paint the title/header window */
 540         if( title )
 541                 paint_top_window(title, c, 1);
 542         else
 543                 paint_top_window("", c, 1);
 544
 545         /* paint the main window */
 546         wclear(screen.main_window.w);
 547         if (mode_fn->paint != NULL)
 548                 mode_fn->paint(c);
 549
 550         paint_progress_window(c);
 551         paint_status_window(c);
 552         screen.painted = 1;
 553         wmove(screen.main_window.w, 0, 0);
 554         wnoutrefresh(screen.main_window.w);
 555
 556         /* tell curses to update */
 557         doupdate();
 558 }
 559
 560 void
 561 screen_update(mpdclient_t *c)
 562 {
 563         static int repeat = -1;
 564         static int random_enabled = -1;
 565         static int crossfade = -1;
 566         static int dbupdate = -1;
 567
 568         if( !screen.painted )
 569                 screen_paint(c);
 570
 571         /* print a message if mpd status has changed */
 572         if (c->status != NULL) {
 573                 if (repeat < 0) {
 574                         repeat = c->status->repeat;
 575                         random_enabled = c->status->random;
 576                         crossfade = c->status->crossfade;
 577                         dbupdate = c->status->updatingDb;
 578                 }
 579
 580                 if (repeat != c->status->repeat)
 581                         screen_status_printf(c->status->repeat ?
 582                                              _("Repeat is on") :
 583                                              _("Repeat is off"));
 584
 585                 if (random_enabled != c->status->random)
 586                         screen_status_printf(c->status->random ?
 587                                              _("Random is on") :
 588                                              _("Random is off"));
 589
 590                 if (crossfade != c->status->crossfade)
 591                         screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 592
 593                 if (dbupdate && dbupdate != c->status->updatingDb) {
 594                         screen_status_printf(_("Database updated!"));
 595                         mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 596                 }
 597
 598                 repeat = c->status->repeat;
 599                 random_enabled = c->status->random;
 600                 crossfade = c->status->crossfade;
 601                 dbupdate = c->status->updatingDb;
 602         }
 603
 604         /* update title/header window */
 605         if (welcome && options.welcome_screen_list &&
 606             screen.last_cmd==CMD_NONE &&
 607             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 608                 paint_top_window("", c, 0);
 609         else if (mode_fn->get_title != NULL) {
 610                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 611                 welcome = FALSE;
 612         } else
 613                 paint_top_window("", c, 0);
 614
 615         /* update the main window */
 616         if (mode_fn->update != NULL)
 617                 mode_fn->update(c);
 618
 619         /* update progress window */
 620         paint_progress_window(c);
 621
 622         /* update status window */
 623         paint_status_window(c);
 624
 625         /* move the cursor to the origin */
 626         wmove(screen.main_window.w, 0, 0);
 627         wnoutrefresh(screen.main_window.w);
 628
 629         /* tell curses to update */
 630         doupdate();
 631 }
 632
 633 void
 634 screen_idle(mpdclient_t *c)
 635 {
 636         if (c->song && seek_id == c->song->id &&
 637             (screen.last_cmd == CMD_SEEK_FORWARD ||
 638              screen.last_cmd == CMD_SEEK_BACKWARD))
 639                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 640
 641         screen.last_cmd = CMD_NONE;
 642         seek_id = -1;
 643 }
 644
 645 #ifdef HAVE_GETMOUSE
 646 int
 647 screen_get_mouse_event(mpdclient_t *c, unsigned long *bstate, int *row)
 648 {
 649         MEVENT event;
 650
 651         /* retreive the mouse event from ncurses */
 652         getmouse(&event);
 653         /* calculate the selected row in the list window */
 654         *row = event.y - screen.top_window.rows;
 655         /* copy button state bits */
 656         *bstate = event.bstate;
 657         /* if button 2 was pressed switch screen */
 658         if (event.bstate & BUTTON2_CLICKED) {
 659                 screen_cmd(c, CMD_SCREEN_NEXT);
 660                 return 1;
 661         }
 662
 663         return 0;
 664 }
 665 #endif
 666
 667 static int
 668 screen_client_cmd(mpdclient_t *c, command_t cmd)
 669 {
 670         if (c->connection == NULL || c->status == NULL)
 671                 return 0;
 672
 673         switch(cmd) {
 674                 /*
 675         case CMD_PLAY:
 676                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 677                 break;
 678                 */
 679         case CMD_PAUSE:
 680                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 681                 break;
 682         case CMD_STOP:
 683                 mpdclient_cmd_stop(c);
 684                 break;
 685         case CMD_CROP:
 686                 mpdclient_cmd_crop(c);
 687                 break;
 688         case CMD_SEEK_FORWARD:
 689                 if (!IS_STOPPED(c->status->state)) {
 690                         if (c->song && seek_id != c->song->id) {
 691                                 seek_id = c->song->id;
 692                                 seek_target_time = c->status->elapsedTime;
 693                         }
 694                         seek_target_time+=options.seek_time;
 695                         if (seek_target_time < c->status->totalTime)
 696                                 break;
 697                         seek_target_time = c->status->totalTime;
 698                         /* seek_target_time=0; */
 699                 }
 700                 break;
 701                 /* fall through... */
 702         case CMD_TRACK_NEXT:
 703                 if (!IS_STOPPED(c->status->state))
 704                         mpdclient_cmd_next(c);
 705                 break;
 706         case CMD_SEEK_BACKWARD:
 707                 if (!IS_STOPPED(c->status->state)) {
 708                         if (seek_id != c->song->id) {
 709                                 seek_id = c->song->id;
 710                                 seek_target_time = c->status->elapsedTime;
 711                         }
 712                         seek_target_time-=options.seek_time;
 713                         if (seek_target_time < 0)
 714                                 seek_target_time=0;
 715                 }
 716                 break;
 717         case CMD_TRACK_PREVIOUS:
 718                 if (!IS_STOPPED(c->status->state))
 719                         mpdclient_cmd_prev(c);
 720                 break;
 721         case CMD_SHUFFLE:
 722                 if (mpdclient_cmd_shuffle(c) == 0)
 723                         screen_status_message(_("Shuffled playlist!"));
 724                 break;
 725         case CMD_CLEAR:
 726                 if (mpdclient_cmd_clear(c) == 0)
 727                         screen_status_message(_("Cleared playlist!"));
 728                 break;
 729         case CMD_REPEAT:
 730                 mpdclient_cmd_repeat(c, !c->status->repeat);
 731                 break;
 732         case CMD_RANDOM:
 733                 mpdclient_cmd_random(c, !c->status->random);
 734                 break;
 735         case CMD_CROSSFADE:
 736                 if (c->status->crossfade)
 737                         mpdclient_cmd_crossfade(c, 0);
 738                 else
 739                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 740                 break;
 741         case CMD_DB_UPDATE:
 742                 if (!c->status->updatingDb) {
 743                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 744                                 screen_status_printf(_("Database update started!"));
 745                 } else
 746                         screen_status_printf(_("Database update running..."));
 747                 break;
 748         case CMD_VOLUME_UP:
 749                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 750                         mpdclient_cmd_volume(c, ++c->status->volume);
 751                 break;
 752         case CMD_VOLUME_DOWN:
 753                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 754                         mpdclient_cmd_volume(c, --c->status->volume);
 755                 break;
 756
 757         default:
 758                 return 0;
 759         }
 760
 761         return 1;
 762 }
 763
 764 void
 765 screen_cmd(mpdclient_t *c, command_t cmd)
 766 {
 767         screen.last_cmd = cmd;
 768         welcome = FALSE;
 769
 770         if (mode_fn->cmd != NULL && mode_fn->cmd(&screen, c, cmd))
 771                 return;
 772
 773         if (screen_client_cmd(c, cmd))
 774                 return;
 775
 776         switch(cmd) {
 777         case CMD_TOGGLE_FIND_WRAP:
 778                 options.find_wrap = !options.find_wrap;
 779                 screen_status_printf(options.find_wrap ?
 780                                      _("Find mode: Wrapped") :
 781                                      _("Find mode: Normal"));
 782                 break;
 783         case CMD_TOGGLE_AUTOCENTER:
 784                 options.auto_center = !options.auto_center;
 785                 screen_status_printf(options.auto_center ?
 786                                      _("Auto center mode: On") :
 787                                      _("Auto center mode: Off"));
 788                 break;
 789         case CMD_SCREEN_UPDATE:
 790                 screen.painted = 0;
 791                 break;
 792         case CMD_SCREEN_PREVIOUS:
 793                 screen_next_mode(c, -1);
 794                 break;
 795         case CMD_SCREEN_NEXT:
 796                 screen_next_mode(c, 1);
 797                 break;
 798         case CMD_SCREEN_PLAY:
 799                 screen_switch(&screen_playlist, c);
 800                 break;
 801         case CMD_SCREEN_FILE:
 802                 screen_switch(&screen_browse, c);
 803                 break;
 804         case CMD_SCREEN_HELP:
 805                 screen_switch(&screen_help, c);
 806                 break;
 807 #ifdef ENABLE_SEARCH_SCREEN
 808         case CMD_SCREEN_SEARCH:
 809                 screen_switch(&screen_search, c);
 810                 break;
 811 #endif
 812 #ifdef ENABLE_ARTIST_SCREEN
 813         case CMD_SCREEN_ARTIST:
 814                 screen_switch(&screen_artist, c);
 815                 break;
 816 #endif
 817 #ifdef ENABLE_KEYDEF_SCREEN
 818         case CMD_SCREEN_KEYDEF:
 819                 screen_switch(&screen_keydef, c);
 820                 break;
 821 #endif
 822 #ifdef ENABLE_LYRICS_SCREEN
 823         case CMD_SCREEN_LYRICS:
 824                 screen_switch(&screen_lyrics, c);
 825                 break;
 826 #endif
 827         default:
 828                 break;
 829         }
 830 }