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_utils.h"
  23 #include "config.h"
  24 #include "ncmpc.h"
  25 #include "support.h"
  26 #include "mpdclient.h"
  27 #include "utils.h"
  28 #include "command.h"
  29 #include "options.h"
  30 #include "colors.h"
  31 #include "strfsong.h"
  32 #include "wreadln.h"
  33
  34 #include <stdlib.h>
  35 #include <unistd.h>
  36 #include <stdarg.h>
  37 #include <string.h>
  38 #include <time.h>
  39 #include <locale.h>
  40
  41 #define SCREEN_PLAYLIST_ID     0
  42 #define SCREEN_BROWSE_ID       1
  43 #define SCREEN_ARTIST_ID       2
  44 #define SCREEN_HELP_ID         100
  45 #define SCREEN_KEYDEF_ID       101
  46 #define SCREEN_SEARCH_ID       103
  47 #define SCREEN_LYRICS_ID           104
  48
  49
  50
  51 /* screens */
  52 extern const struct screen_functions screen_playlist;
  53 extern const struct screen_functions screen_browse;
  54 #ifdef ENABLE_ARTIST_SCREEN
  55 extern const struct screen_functions screen_artist;
  56 #endif
  57 extern const struct screen_functions screen_help;
  58 #ifdef ENABLE_SEARCH_SCREEN
  59 extern const struct screen_functions screen_search;
  60 #endif
  61 #ifdef ENABLE_KEYDEF_SCREEN
  62 extern const struct screen_functions screen_keydef;
  63 #endif
  64 #ifdef ENABLE_LYRICS_SCREEN
  65 extern const struct screen_functions screen_lyrics;
  66 #endif
  67
  68 typedef struct screen_functions * (*screen_get_mode_functions_fn_t) (void);
  69
  70 static const struct
  71 {
  72         gint id;
  73         const gchar *name;
  74         const struct screen_functions *functions;
  75 } screens[] = {
  76         { SCREEN_PLAYLIST_ID, "playlist", &screen_playlist },
  77         { SCREEN_BROWSE_ID, "browse", &screen_browse },
  78 #ifdef ENABLE_ARTIST_SCREEN
  79         { SCREEN_ARTIST_ID, "artist", &screen_artist },
  80 #endif
  81         { SCREEN_HELP_ID, "help", &screen_help },
  82 #ifdef ENABLE_SEARCH_SCREEN
  83         { SCREEN_SEARCH_ID, "search", &screen_search },
  84 #endif
  85 #ifdef ENABLE_KEYDEF_SCREEN
  86         { SCREEN_KEYDEF_ID, "keydef", &screen_keydef },
  87 #endif
  88 #ifdef ENABLE_LYRICS_SCREEN
  89         { SCREEN_LYRICS_ID, "lyrics", &screen_lyrics },
  90 #endif
  91 };
  92
  93 #define NUM_SCREENS (sizeof(screens) / sizeof(screens[0]))
  94
  95 static gboolean welcome = TRUE;
  96 static struct screen screen;
  97 static const struct screen_functions *mode_fn = &screen_playlist;
  98 static int seek_id = -1;
  99 static int seek_target_time = 0;
 100
 101 gint
 102 screen_get_id(const char *name)
 103 {
 104         guint i;
 105
 106         for (i = 0; i < NUM_SCREENS; ++i)
 107                 if (strcmp(name, screens[i].name) == 0)
 108                         return screens[i].id;
 109
 110         return -1;
 111 }
 112
 113 static gint
 114 lookup_mode(gint id)
 115 {
 116         guint i;
 117
 118         for (i = 0; i < NUM_SCREENS; ++i)
 119                 if (screens[i].id == id)
 120                         return i;
 121
 122         return -1;
 123 }
 124
 125 gint get_cur_mode_id(void)
 126 {
 127         return screens[screen.mode].id;
 128 }
 129
 130 static void
 131 switch_screen_mode(gint id, mpdclient_t *c)
 132 {
 133         gint new_mode;
 134
 135         if( id == screens[screen.mode].id )
 136                 return;
 137
 138         new_mode = lookup_mode(id);
 139         if (new_mode < 0)
 140                 return;
 141
 142         /* close the old mode */
 143         if (mode_fn->close != NULL)
 144                 mode_fn->close();
 145
 146         /* get functions for the new mode */
 147         D("switch_screen(%s)\n", screens[new_mode].name );
 148         mode_fn = screens[new_mode].functions;
 149         screen.mode = new_mode;
 150         screen.painted = 0;
 151
 152         /* open the new mode */
 153         if (mode_fn->open != NULL)
 154                 mode_fn->open(&screen, c);
 155 }
 156
 157 static int
 158 find_configured_screen(const char *name)
 159 {
 160         unsigned i;
 161
 162         for (i = 0; options.screen_list[i] != NULL; ++i)
 163                 if (strcmp(options.screen_list[i], name) == 0)
 164                         return i;
 165
 166         return -1;
 167 }
 168
 169 static void
 170 screen_next_mode(mpdclient_t *c, int offset)
 171 {
 172         int max = g_strv_length(options.screen_list);
 173         int current, next;
 174
 175         /* find current screen */
 176         current = find_configured_screen(screens[screen.mode].name);
 177         next = current + offset;
 178         if (next<0)
 179                 next = max-1;
 180         else if (next>=max)
 181                 next = 0;
 182
 183         D("current mode: %d:%d    next:%d\n", current, max, next);
 184         switch_screen_mode(screen_get_id(options.screen_list[next]), c);
 185 }
 186
 187 static void
 188 paint_top_window2(const char *header, mpdclient_t *c)
 189 {
 190         char flags[5];
 191         WINDOW *w = screen.top_window.w;
 192         char buf[32];
 193
 194         if (header[0]) {
 195                 colors_use(w, COLOR_TITLE_BOLD);
 196                 mvwaddstr(w, 0, 0, header);
 197         } else {
 198                 colors_use(w, COLOR_TITLE_BOLD);
 199                 waddstr(w, get_key_names(CMD_SCREEN_HELP, FALSE));
 200                 colors_use(w, COLOR_TITLE);
 201                 waddstr(w, _(":Help  "));
 202                 colors_use(w, COLOR_TITLE_BOLD);
 203                 waddstr(w, get_key_names(CMD_SCREEN_PLAY, FALSE));
 204                 colors_use(w, COLOR_TITLE);
 205                 waddstr(w, _(":Playlist  "));
 206                 colors_use(w, COLOR_TITLE_BOLD);
 207                 waddstr(w, get_key_names(CMD_SCREEN_FILE, FALSE));
 208                 colors_use(w, COLOR_TITLE);
 209                 waddstr(w, _(":Browse  "));
 210 #ifdef ENABLE_ARTIST_SCREEN
 211                 colors_use(w, COLOR_TITLE_BOLD);
 212                 waddstr(w, get_key_names(CMD_SCREEN_ARTIST, FALSE));
 213                 colors_use(w, COLOR_TITLE);
 214                 waddstr(w, _(":Artist  "));
 215 #endif
 216 #ifdef ENABLE_SEARCH_SCREEN
 217                 colors_use(w, COLOR_TITLE_BOLD);
 218                 waddstr(w, get_key_names(CMD_SCREEN_SEARCH, FALSE));
 219                 colors_use(w, COLOR_TITLE);
 220                 waddstr(w, _(":Search  "));
 221 #endif
 222 #ifdef ENABLE_LYRICS_SCREEN
 223                 colors_use(w, COLOR_TITLE_BOLD);
 224                 waddstr(w, get_key_names(CMD_SCREEN_LYRICS, FALSE));
 225                 colors_use(w, COLOR_TITLE);
 226                 waddstr(w, _(":Lyrics  "));
 227 #endif
 228         }
 229         if (c->status == NULL || c->status->volume == MPD_STATUS_NO_VOLUME) {
 230                 g_snprintf(buf, 32, _("Volume n/a "));
 231         } else {
 232                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 233         }
 234         colors_use(w, COLOR_TITLE);
 235         mvwaddstr(w, 0, screen.top_window.cols-my_strlen(buf), buf);
 236
 237         flags[0] = 0;
 238         if (c->status != NULL) {
 239                 if (c->status->repeat)
 240                         g_strlcat(flags, "r", sizeof(flags));
 241                 if (c->status->random)
 242                         g_strlcat(flags, "z", sizeof(flags));;
 243                 if (c->status->crossfade)
 244                         g_strlcat(flags, "x", sizeof(flags));
 245                 if (c->status->updatingDb)
 246                         g_strlcat(flags, "U", sizeof(flags));
 247         }
 248
 249         colors_use(w, COLOR_LINE);
 250         mvwhline(w, 1, 0, ACS_HLINE, screen.top_window.cols);
 251         if (flags[0]) {
 252                 wmove(w,1,screen.top_window.cols-strlen(flags)-3);
 253                 waddch(w, '[');
 254                 colors_use(w, COLOR_LINE_BOLD);
 255                 waddstr(w, flags);
 256                 colors_use(w, COLOR_LINE);
 257                 waddch(w, ']');
 258         }
 259         wnoutrefresh(w);
 260 }
 261
 262 static void
 263 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 264 {
 265         static int prev_volume = -1;
 266         static size_t prev_header_len = -1;
 267         WINDOW *w = screen.top_window.w;
 268
 269         if (prev_header_len!=my_strlen(header)) {
 270                 prev_header_len = my_strlen(header);
 271                 full_repaint = 1;
 272         }
 273
 274         if (full_repaint) {
 275                 wmove(w, 0, 0);
 276                 wclrtoeol(w);
 277         }
 278
 279         if ((c->status != NULL && prev_volume != c->status->volume) ||
 280             full_repaint)
 281                 paint_top_window2(header, c);
 282 }
 283
 284 static void
 285 paint_progress_window(mpdclient_t *c)
 286 {
 287         double p;
 288         int width;
 289         int elapsedTime;
 290
 291         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 292                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 293                          screen.progress_window.cols);
 294                 wnoutrefresh(screen.progress_window.w);
 295                 return;
 296         }
 297
 298         if (c->song && seek_id == c->song->id)
 299                 elapsedTime = seek_target_time;
 300         else
 301                 elapsedTime = c->status->elapsedTime;
 302
 303         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 304
 305         width = (int) (p * (double) screen.progress_window.cols);
 306         mvwhline(screen.progress_window.w,
 307                  0, 0,
 308                  ACS_HLINE,
 309                  screen.progress_window.cols);
 310         whline(screen.progress_window.w, '=', width-1);
 311         mvwaddch(screen.progress_window.w, 0, width-1, 'O');
 312         wnoutrefresh(screen.progress_window.w);
 313 }
 314
 315 static void
 316 paint_status_window(mpdclient_t *c)
 317 {
 318         WINDOW *w = screen.status_window.w;
 319         mpd_Status *status = c->status;
 320         mpd_Song *song = c->song;
 321         int elapsedTime = 0;
 322         char bitrate[16];
 323         const char *str = NULL;
 324         int x = 0;
 325
 326         if( time(NULL) - screen.status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 327                 return;
 328
 329         wmove(w, 0, 0);
 330         wclrtoeol(w);
 331         colors_use(w, COLOR_STATUS_BOLD);
 332
 333         switch (status == NULL ? MPD_STATUS_STATE_STOP : status->state) {
 334         case MPD_STATUS_STATE_PLAY:
 335                 str = _("Playing:");
 336                 break;
 337         case MPD_STATUS_STATE_PAUSE:
 338                 str = _("[Paused]");
 339                 break;
 340         case MPD_STATUS_STATE_STOP:
 341         default:
 342                 break;
 343         }
 344
 345         if (str) {
 346                 waddstr(w, str);
 347                 x += my_strlen(str)+1;
 348         }
 349
 350         /* create time string */
 351         memset(screen.buf, 0, screen.buf_size);
 352         if (status != NULL && (IS_PLAYING(status->state) ||
 353                                IS_PAUSED(status->state))) {
 354                 if (status->totalTime > 0) {
 355                         /*checks the conf to see whether to display elapsed or remaining time */
 356                         if(!strcmp(options.timedisplay_type,"elapsed"))
 357                                 elapsedTime = c->status->elapsedTime;
 358                         else if(!strcmp(options.timedisplay_type,"remaining"))
 359                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 360
 361                         if( c->song && seek_id == c->song->id )
 362                                 elapsedTime = seek_target_time;
 363
 364                         /* display bitrate if visible-bitrate is true */
 365                         if (options.visible_bitrate) {
 366                                 g_snprintf(bitrate, 16,
 367                                            " [%d kbps]", status->bitRate);
 368                         } else {
 369                                 bitrate[0] = '\0';
 370                         }
 371
 372                         /*write out the time, using hours if time over 60 minutes*/
 373                         if (c->status->totalTime > 3600) {
 374                                 g_snprintf(screen.buf, screen.buf_size,
 375                                            "%s [%i:%02i:%02i/%i:%02i:%02i]",
 376                                            bitrate, elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 377                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 378                         } else {
 379                                 g_snprintf(screen.buf, screen.buf_size,
 380                                            "%s [%i:%02i/%i:%02i]",
 381                                            bitrate, elapsedTime/60, elapsedTime%60,
 382                                            status->totalTime/60,   status->totalTime%60 );
 383                         }
 384                 } else {
 385                         g_snprintf(screen.buf, screen.buf_size,
 386                                    " [%d kbps]", status->bitRate );
 387                 }
 388         } else {
 389                 time_t timep;
 390
 391                 time(&timep);
 392                 strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 393         }
 394
 395         /* display song */
 396         if (status != NULL && (IS_PLAYING(status->state) ||
 397                                IS_PAUSED(status->state))) {
 398                 char songname[MAX_SONGNAME_LENGTH];
 399                 int width = COLS-x-my_strlen(screen.buf);
 400
 401                 if (song)
 402                         strfsong(songname, MAX_SONGNAME_LENGTH, STATUS_FORMAT, song);
 403                 else
 404                         songname[0] = '\0';
 405
 406                 colors_use(w, COLOR_STATUS);
 407                 /* scroll if the song name is to long */
 408                 if (options.scroll && my_strlen(songname) > (size_t)width) {
 409                         static  scroll_state_t st = { 0, 0 };
 410                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 411
 412                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 413                         g_free(tmp);
 414                 }
 415                 //mvwaddnstr(w, 0, x, songname, width);
 416                 mvwaddstr(w, 0, x, songname);
 417         }
 418
 419         /* display time string */
 420         if (screen.buf[0]) {
 421                 x = screen.status_window.cols - strlen(screen.buf);
 422                 colors_use(w, COLOR_STATUS_TIME);
 423                 mvwaddstr(w, 0, x, screen.buf);
 424         }
 425
 426         wnoutrefresh(w);
 427 }
 428
 429 void
 430 screen_exit(void)
 431 {
 432         guint i;
 433
 434         if (mode_fn->close != NULL)
 435                 mode_fn->close();
 436
 437         /* close and exit all screens (playlist,browse,help...) */
 438         for (i = 0; i < NUM_SCREENS; ++i) {
 439                 const struct screen_functions *sf = screens[i].functions;
 440
 441                 if (sf->exit)
 442                         sf->exit();
 443         }
 444
 445         string_list_free(screen.find_history);
 446         g_free(screen.buf);
 447         g_free(screen.findbuf);
 448 }
 449
 450 void
 451 screen_resize(void)
 452 {
 453         guint i;
 454
 455         D("Resize rows %d->%d, cols %d->%d\n",screen.rows,LINES,screen.cols,COLS);
 456         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 457                 screen_exit();
 458                 fprintf(stderr, _("Error: Screen to small!\n"));
 459                 exit(EXIT_FAILURE);
 460         }
 461
 462         resizeterm(LINES, COLS);
 463
 464         screen.cols = COLS;
 465         screen.rows = LINES;
 466
 467         /* top window */
 468         screen.top_window.cols = screen.cols;
 469         wresize(screen.top_window.w, 2, screen.cols);
 470
 471         /* main window */
 472         screen.main_window.cols = screen.cols;
 473         screen.main_window.rows = screen.rows-4;
 474         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 475         wclear(screen.main_window.w);
 476
 477         /* progress window */
 478         screen.progress_window.cols = screen.cols;
 479         wresize(screen.progress_window.w, 1, screen.cols);
 480         mvwin(screen.progress_window.w, screen.rows-2, 0);
 481
 482         /* status window */
 483         screen.status_window.cols = screen.cols;
 484         wresize(screen.status_window.w, 1, screen.cols);
 485         mvwin(screen.status_window.w, screen.rows-1, 0);
 486
 487         screen.buf_size = screen.cols;
 488         g_free(screen.buf);
 489         screen.buf = g_malloc(screen.cols);
 490
 491         /* close and exit all screens (playlist,browse,help...) */
 492         for (i = 0; i < NUM_SCREENS; ++i) {
 493                 const struct screen_functions *sf = screens[i].functions;
 494
 495                 if (sf->resize)
 496                         sf->resize(screen.main_window.cols, screen.main_window.rows);
 497         }
 498
 499
 500         /* ? - without this the cursor becomes visible with aterm & Eterm */
 501         curs_set(1);
 502         curs_set(0);
 503
 504         screen.painted = 0;
 505 }
 506
 507 void
 508 screen_status_message(const char *msg)
 509 {
 510         WINDOW *w = screen.status_window.w;
 511
 512         wmove(w, 0, 0);
 513         wclrtoeol(w);
 514         colors_use(w, COLOR_STATUS_ALERT);
 515         waddstr(w, msg);
 516         wnoutrefresh(w);
 517         screen.status_timestamp = time(NULL);
 518 }
 519
 520 void
 521 screen_status_printf(const char *format, ...)
 522 {
 523         char *msg;
 524         va_list ap;
 525
 526         va_start(ap,format);
 527         msg = g_strdup_vprintf(format,ap);
 528         va_end(ap);
 529         screen_status_message(msg);
 530         g_free(msg);
 531 }
 532
 533 void
 534 screen_init(mpdclient_t *c)
 535 {
 536         guint i;
 537
 538         if (COLS < SCREEN_MIN_COLS || LINES < SCREEN_MIN_ROWS) {
 539                 fprintf(stderr, _("Error: Screen to small!\n"));
 540                 exit(EXIT_FAILURE);
 541         }
 542
 543         screen.mode = 0;
 544         screen.cols = COLS;
 545         screen.rows = LINES;
 546
 547         screen.buf  = g_malloc(screen.cols);
 548         screen.buf_size = screen.cols;
 549         screen.findbuf = NULL;
 550         screen.painted = 0;
 551         screen.start_timestamp = time(NULL);
 552         screen.last_cmd = CMD_NONE;
 553
 554         /* create top window */
 555         screen.top_window.rows = 2;
 556         screen.top_window.cols = screen.cols;
 557         screen.top_window.w = newwin(screen.top_window.rows,
 558                                       screen.top_window.cols,
 559                                       0, 0);
 560         leaveok(screen.top_window.w, TRUE);
 561         keypad(screen.top_window.w, TRUE);
 562
 563         /* create main window */
 564         screen.main_window.rows = screen.rows-4;
 565         screen.main_window.cols = screen.cols;
 566         screen.main_window.w = newwin(screen.main_window.rows,
 567                                        screen.main_window.cols,
 568                                        2,
 569                                        0);
 570
 571         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 572         keypad(screen.main_window.w, TRUE);
 573
 574         /* create progress window */
 575         screen.progress_window.rows = 1;
 576         screen.progress_window.cols = screen.cols;
 577         screen.progress_window.w = newwin(screen.progress_window.rows,
 578                                            screen.progress_window.cols,
 579                                            screen.rows-2,
 580                                            0);
 581         leaveok(screen.progress_window.w, TRUE);
 582
 583         /* create status window */
 584         screen.status_window.rows = 1;
 585         screen.status_window.cols = screen.cols;
 586         screen.status_window.w = newwin(screen.status_window.rows,
 587                                          screen.status_window.cols,
 588                                          screen.rows-1,
 589                                          0);
 590
 591         leaveok(screen.status_window.w, FALSE);
 592         keypad(screen.status_window.w, TRUE);
 593
 594         if (options.enable_colors) {
 595                 /* set background attributes */
 596                 wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 597                 wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 598                 wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 599                 wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 600                 wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 601                 colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 602         }
 603
 604         refresh();
 605
 606         /* initialize screens */
 607         for (i = 0; i < NUM_SCREENS; ++i) {
 608                 const struct screen_functions *fn = screens[i].functions;
 609
 610                 if (fn->init)
 611                         fn->init(screen.main_window.w,
 612                                  screen.main_window.cols,
 613                                  screen.main_window.rows);
 614         }
 615
 616         if (mode_fn->open != NULL)
 617                 mode_fn->open(&screen, c);
 618
 619         /* initialize wreadln */
 620         wrln_wgetch = my_wgetch;
 621         wrln_max_history_length = 16;
 622 }
 623
 624 void
 625 screen_paint(mpdclient_t *c)
 626 {
 627         const char *title = NULL;
 628
 629         if (mode_fn->get_title != NULL)
 630                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 631
 632         D("screen_paint(%s)\n", title);
 633         /* paint the title/header window */
 634         if( title )
 635                 paint_top_window(title, c, 1);
 636         else
 637                 paint_top_window("", c, 1);
 638
 639         /* paint the main window */
 640         wclear(screen.main_window.w);
 641         if (mode_fn->paint != NULL)
 642                 mode_fn->paint(c);
 643
 644         paint_progress_window(c);
 645         paint_status_window(c);
 646         screen.painted = 1;
 647         wmove(screen.main_window.w, 0, 0);
 648         wnoutrefresh(screen.main_window.w);
 649
 650         /* tell curses to update */
 651         doupdate();
 652 }
 653
 654 void
 655 screen_update(mpdclient_t *c)
 656 {
 657         static int repeat = -1;
 658         static int random_enabled = -1;
 659         static int crossfade = -1;
 660         static int dbupdate = -1;
 661
 662         if( !screen.painted )
 663                 return screen_paint(c);
 664
 665         /* print a message if mpd status has changed */
 666         if (c->status != NULL) {
 667                 if (repeat < 0) {
 668                         repeat = c->status->repeat;
 669                         random_enabled = c->status->random;
 670                         crossfade = c->status->crossfade;
 671                         dbupdate = c->status->updatingDb;
 672                 }
 673
 674                 if (repeat != c->status->repeat)
 675                         screen_status_printf(c->status->repeat ?
 676                                              _("Repeat is on") :
 677                                              _("Repeat is off"));
 678
 679                 if (random_enabled != c->status->random)
 680                         screen_status_printf(c->status->random ?
 681                                              _("Random is on") :
 682                                              _("Random is off"));
 683
 684                 if (crossfade != c->status->crossfade)
 685                         screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 686
 687                 if (dbupdate && dbupdate != c->status->updatingDb) {
 688                         screen_status_printf(_("Database updated!"));
 689                         mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 690                 }
 691
 692                 repeat = c->status->repeat;
 693                 random_enabled = c->status->random;
 694                 crossfade = c->status->crossfade;
 695                 dbupdate = c->status->updatingDb;
 696         }
 697
 698         /* update title/header window */
 699         if (welcome && options.welcome_screen_list &&
 700             screen.last_cmd==CMD_NONE &&
 701             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 702                 paint_top_window("", c, 0);
 703         else if (mode_fn->get_title != NULL) {
 704                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 705                 welcome = FALSE;
 706         } else
 707                 paint_top_window("", c, 0);
 708
 709         /* update the main window */
 710         if (mode_fn->update != NULL)
 711                 mode_fn->update(c);
 712
 713         /* update progress window */
 714         paint_progress_window(c);
 715
 716         /* update status window */
 717         paint_status_window(c);
 718
 719         /* move the cursor to the origin */
 720         wmove(screen.main_window.w, 0, 0);
 721         wnoutrefresh(screen.main_window.w);
 722
 723         /* tell curses to update */
 724         doupdate();
 725 }
 726
 727 void
 728 screen_idle(mpdclient_t *c)
 729 {
 730         if (c->song && seek_id == c->song->id &&
 731             (screen.last_cmd == CMD_SEEK_FORWARD ||
 732              screen.last_cmd == CMD_SEEK_BACKWARD))
 733                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 734
 735         screen.last_cmd = CMD_NONE;
 736         seek_id = -1;
 737 }
 738
 739 #ifdef HAVE_GETMOUSE
 740 int
 741 screen_get_mouse_event(mpdclient_t *c, unsigned long *bstate, int *row)
 742 {
 743         MEVENT event;
 744
 745         /* retreive the mouse event from ncurses */
 746         getmouse(&event);
 747         D("mouse: id=%d  y=%d,x=%d,z=%d\n",event.id,event.y,event.x,event.z);
 748         /* calculate the selected row in the list window */
 749         *row = event.y - screen.top_window.rows;
 750         /* copy button state bits */
 751         *bstate = event.bstate;
 752         /* if button 2 was pressed switch screen */
 753         if (event.bstate & BUTTON2_CLICKED) {
 754                 screen_cmd(c, CMD_SCREEN_NEXT);
 755                 return 1;
 756         }
 757
 758         return 0;
 759 }
 760 #endif
 761
 762 static int
 763 screen_client_cmd(mpdclient_t *c, command_t cmd)
 764 {
 765         if (c->connection == NULL || c->status == NULL)
 766                 return 0;
 767
 768         switch(cmd) {
 769                 /*
 770         case CMD_PLAY:
 771                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 772                 break;
 773                 */
 774         case CMD_PAUSE:
 775                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 776                 break;
 777         case CMD_STOP:
 778                 mpdclient_cmd_stop(c);
 779                 break;
 780         case CMD_CROP:
 781                 mpdclient_cmd_crop(c);
 782                 break;
 783         case CMD_SEEK_FORWARD:
 784                 if (!IS_STOPPED(c->status->state)) {
 785                         if (c->song && seek_id != c->song->id) {
 786                                 seek_id = c->song->id;
 787                                 seek_target_time = c->status->elapsedTime;
 788                         }
 789                         seek_target_time+=options.seek_time;
 790                         if (seek_target_time < c->status->totalTime)
 791                                 break;
 792                         seek_target_time = c->status->totalTime;
 793                         /* seek_target_time=0; */
 794                 }
 795                 break;
 796                 /* fall through... */
 797         case CMD_TRACK_NEXT:
 798                 if (!IS_STOPPED(c->status->state))
 799                         mpdclient_cmd_next(c);
 800                 break;
 801         case CMD_SEEK_BACKWARD:
 802                 if (!IS_STOPPED(c->status->state)) {
 803                         if (seek_id != c->song->id) {
 804                                 seek_id = c->song->id;
 805                                 seek_target_time = c->status->elapsedTime;
 806                         }
 807                         seek_target_time-=options.seek_time;
 808                         if (seek_target_time < 0)
 809                                 seek_target_time=0;
 810                 }
 811                 break;
 812         case CMD_TRACK_PREVIOUS:
 813                 if (!IS_STOPPED(c->status->state))
 814                         mpdclient_cmd_prev(c);
 815                 break;
 816         case CMD_SHUFFLE:
 817                 if (mpdclient_cmd_shuffle(c) == 0)
 818                         screen_status_message(_("Shuffled playlist!"));
 819                 break;
 820         case CMD_CLEAR:
 821                 if (mpdclient_cmd_clear(c) == 0)
 822                         screen_status_message(_("Cleared playlist!"));
 823                 break;
 824         case CMD_REPEAT:
 825                 mpdclient_cmd_repeat(c, !c->status->repeat);
 826                 break;
 827         case CMD_RANDOM:
 828                 mpdclient_cmd_random(c, !c->status->random);
 829                 break;
 830         case CMD_CROSSFADE:
 831                 if (c->status->crossfade)
 832                         mpdclient_cmd_crossfade(c, 0);
 833                 else
 834                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 835                 break;
 836         case CMD_DB_UPDATE:
 837                 if (!c->status->updatingDb) {
 838                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 839                                 screen_status_printf(_("Database update started!"));
 840                 } else
 841                         screen_status_printf(_("Database update running..."));
 842                 break;
 843         case CMD_VOLUME_UP:
 844                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 845                         mpdclient_cmd_volume(c, ++c->status->volume);
 846                 break;
 847         case CMD_VOLUME_DOWN:
 848                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 849                         mpdclient_cmd_volume(c, --c->status->volume);
 850                 break;
 851
 852         default:
 853                 return 0;
 854         }
 855
 856         return 1;
 857 }
 858
 859 void
 860 screen_cmd(mpdclient_t *c, command_t cmd)
 861 {
 862         screen.last_cmd = cmd;
 863         welcome = FALSE;
 864
 865         if (mode_fn->cmd != NULL && mode_fn->cmd(&screen, c, cmd))
 866                 return;
 867
 868         if (screen_client_cmd(c, cmd))
 869                 return;
 870
 871         switch(cmd) {
 872         case CMD_TOGGLE_FIND_WRAP:
 873                 options.find_wrap = !options.find_wrap;
 874                 screen_status_printf(options.find_wrap ?
 875                                      _("Find mode: Wrapped") :
 876                                      _("Find mode: Normal"));
 877                 break;
 878         case CMD_TOGGLE_AUTOCENTER:
 879                 options.auto_center = !options.auto_center;
 880                 screen_status_printf(options.auto_center ?
 881                                      _("Auto center mode: On") :
 882                                      _("Auto center mode: Off"));
 883                 break;
 884         case CMD_SCREEN_UPDATE:
 885                 screen.painted = 0;
 886                 break;
 887         case CMD_SCREEN_PREVIOUS:
 888                 screen_next_mode(c, -1);
 889                 break;
 890         case CMD_SCREEN_NEXT:
 891                 screen_next_mode(c, 1);
 892                 break;
 893         case CMD_SCREEN_PLAY:
 894                 switch_screen_mode(SCREEN_PLAYLIST_ID, c);
 895                 break;
 896         case CMD_SCREEN_FILE:
 897                 switch_screen_mode(SCREEN_BROWSE_ID, c);
 898                 break;
 899         case CMD_SCREEN_HELP:
 900                 switch_screen_mode(SCREEN_HELP_ID, c);
 901                 break;
 902         case CMD_SCREEN_SEARCH:
 903                 switch_screen_mode(SCREEN_SEARCH_ID, c);
 904                 break;
 905         case CMD_SCREEN_ARTIST:
 906                 switch_screen_mode(SCREEN_ARTIST_ID, c);
 907                 break;
 908         case CMD_SCREEN_KEYDEF:
 909                 switch_screen_mode(SCREEN_KEYDEF_ID, c);
 910                 break;
 911         case CMD_SCREEN_LYRICS:
 912                 switch_screen_mode(SCREEN_LYRICS_ID, c);
 913                 break;
 914         default:
 915                 break;
 916         }
 917 }