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_CLOCK_ID        102
  47 #define SCREEN_SEARCH_ID       103
  48 #define SCREEN_LYRICS_ID           104
  49
  50
  51
  52 /* screens */
  53 extern const struct screen_functions screen_playlist;
  54 extern const struct screen_functions screen_browse;
  55 #ifdef ENABLE_ARTIST_SCREEN
  56 extern const struct screen_functions screen_artist;
  57 #endif
  58 extern const struct screen_functions screen_help;
  59 #ifdef ENABLE_SEARCH_SCREEN
  60 extern const struct screen_functions screen_search;
  61 #endif
  62 #ifdef ENABLE_KEYDEF_SCREEN
  63 extern const struct screen_functions screen_keydef;
  64 #endif
  65 #ifdef ENABLE_CLOCK_SCREEN
  66 extern const struct screen_functions screen_clock;
  67 #endif
  68 extern const struct screen_functions screen_lyrics;
  69
  70 typedef struct screen_functions * (*screen_get_mode_functions_fn_t) (void);
  71
  72 static const struct
  73 {
  74         gint id;
  75         const gchar *name;
  76         const struct screen_functions *functions;
  77 } screens[] = {
  78         { SCREEN_PLAYLIST_ID, "playlist", &screen_playlist },
  79         { SCREEN_BROWSE_ID, "browse", &screen_browse },
  80 #ifdef ENABLE_ARTIST_SCREEN
  81         { SCREEN_ARTIST_ID, "artist", &screen_artist },
  82 #endif
  83         { SCREEN_HELP_ID, "help", &screen_help },
  84 #ifdef ENABLE_SEARCH_SCREEN
  85         { SCREEN_SEARCH_ID, "search", &screen_search },
  86 #endif
  87 #ifdef ENABLE_KEYDEF_SCREEN
  88         { SCREEN_KEYDEF_ID, "keydef", &screen_keydef },
  89 #endif
  90 #ifdef ENABLE_CLOCK_SCREEN
  91         { SCREEN_CLOCK_ID, "clock", &screen_clock },
  92 #endif
  93 #ifdef ENABLE_LYRICS_SCREEN
  94         { SCREEN_LYRICS_ID, "lyrics", &screen_lyrics },
  95 #endif
  96         { G_MAXINT, NULL, NULL }
  97 };
  98
  99 static gboolean welcome = TRUE;
 100 static screen_t *screen = NULL;
 101 static const struct screen_functions *mode_fn = NULL;
 102 static int seek_id = -1;
 103 static int seek_target_time = 0;
 104
 105 gint
 106 screen_get_id(const char *name)
 107 {
 108         gint i=0;
 109
 110         while (screens[i].name) {
 111                 if (strcmp(name, screens[i].name) == 0)
 112                         return screens[i].id;
 113                 i++;
 114         }
 115         return -1;
 116 }
 117
 118 static gint
 119 lookup_mode(gint id)
 120 {
 121         gint i=0;
 122
 123         while (screens[i].name) {
 124                 if (screens[i].id == id)
 125                         return i;
 126                 i++;
 127         }
 128         return -1;
 129 }
 130
 131 gint get_cur_mode_id(void)
 132 {
 133         return screens[screen->mode].id;
 134 }
 135
 136 static void
 137 switch_screen_mode(gint id, mpdclient_t *c)
 138 {
 139         gint new_mode;
 140
 141         if( id == screens[screen->mode].id )
 142                 return;
 143
 144         /* close the old mode */
 145         if( mode_fn && mode_fn->close )
 146                 mode_fn->close();
 147
 148         /* get functions for the new mode */
 149         new_mode = lookup_mode(id);
 150         if (new_mode >= 0 && screens[new_mode].functions) {
 151                 D("switch_screen(%s)\n", screens[new_mode].name );
 152                 mode_fn = screens[new_mode].functions;
 153                 screen->mode = new_mode;
 154         }
 155
 156         screen->painted = 0;
 157
 158         /* open the new mode */
 159         if (mode_fn && mode_fn->open)
 160                 mode_fn->open(screen, c);
 161 }
 162
 163 static void
 164 screen_next_mode(mpdclient_t *c, int offset)
 165 {
 166         int max = g_strv_length(options.screen_list);
 167         int current, next;
 168         int i;
 169
 170         /* find current screen */
 171         current = -1;
 172         i = 0;
 173         while (options.screen_list[i]) {
 174                 if (strcmp(options.screen_list[i],
 175                            screens[screen->mode].name) == 0)
 176                         current = i;
 177                 i++;
 178         }
 179
 180         next = current + offset;
 181         if (next<0)
 182                 next = max-1;
 183         else if (next>=max)
 184                 next = 0;
 185
 186         D("current mode: %d:%d    next:%d\n", current, max, next);
 187         switch_screen_mode(screen_get_id(options.screen_list[next]), c);
 188 }
 189
 190 static void
 191 paint_top_window2(const char *header, mpdclient_t *c)
 192 {
 193         char flags[5];
 194         WINDOW *w = screen->top_window.w;
 195         char buf[32];
 196
 197         if (header[0]) {
 198                 colors_use(w, COLOR_TITLE_BOLD);
 199                 mvwaddstr(w, 0, 0, header);
 200         } else {
 201                 colors_use(w, COLOR_TITLE_BOLD);
 202                 waddstr(w, get_key_names(CMD_SCREEN_HELP, FALSE));
 203                 colors_use(w, COLOR_TITLE);
 204                 waddstr(w, _(":Help  "));
 205                 colors_use(w, COLOR_TITLE_BOLD);
 206                 waddstr(w, get_key_names(CMD_SCREEN_PLAY, FALSE));
 207                 colors_use(w, COLOR_TITLE);
 208                 waddstr(w, _(":Playlist  "));
 209                 colors_use(w, COLOR_TITLE_BOLD);
 210                 waddstr(w, get_key_names(CMD_SCREEN_FILE, FALSE));
 211                 colors_use(w, COLOR_TITLE);
 212                 waddstr(w, _(":Browse  "));
 213 #ifdef ENABLE_ARTIST_SCREEN
 214                 colors_use(w, COLOR_TITLE_BOLD);
 215                 waddstr(w, get_key_names(CMD_SCREEN_ARTIST, FALSE));
 216                 colors_use(w, COLOR_TITLE);
 217                 waddstr(w, _(":Artist  "));
 218 #endif
 219 #ifdef ENABLE_SEARCH_SCREEN
 220                 colors_use(w, COLOR_TITLE_BOLD);
 221                 waddstr(w, get_key_names(CMD_SCREEN_SEARCH, FALSE));
 222                 colors_use(w, COLOR_TITLE);
 223                 waddstr(w, _(":Search  "));
 224 #endif
 225 #ifdef ENABLE_LYRICS_SCREEN
 226                 colors_use(w, COLOR_TITLE_BOLD);
 227                 waddstr(w, get_key_names(CMD_SCREEN_LYRICS, FALSE));
 228                 colors_use(w, COLOR_TITLE);
 229                 waddstr(w, _(":Lyrics  "));
 230 #endif
 231         }
 232         if (c->status->volume==MPD_STATUS_NO_VOLUME) {
 233                 g_snprintf(buf, 32, _("Volume n/a "));
 234         } else {
 235                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 236         }
 237         colors_use(w, COLOR_TITLE);
 238         mvwaddstr(w, 0, screen->top_window.cols-my_strlen(buf), buf);
 239
 240         flags[0] = 0;
 241         if( c->status->repeat )
 242                 g_strlcat(flags, "r", sizeof(flags));
 243         if( c->status->random )
 244                 g_strlcat(flags, "z", sizeof(flags));;
 245         if( c->status->crossfade )
 246                 g_strlcat(flags, "x", sizeof(flags));
 247         if( c->status->updatingDb )
 248                 g_strlcat(flags, "U", sizeof(flags));
 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 (prev_volume!=c->status->volume || full_repaint)
 280                 paint_top_window2(header, c);
 281 }
 282
 283 static void
 284 paint_progress_window(mpdclient_t *c)
 285 {
 286         double p;
 287         int width;
 288         int elapsedTime = c->status->elapsedTime;
 289
 290         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 291                 mvwhline(screen->progress_window.w, 0, 0, ACS_HLINE,
 292                          screen->progress_window.cols);
 293                 wnoutrefresh(screen->progress_window.w);
 294                 return;
 295         }
 296
 297         if (c->song && seek_id == c->song->id)
 298                 elapsedTime = seek_target_time;
 299
 300         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 301
 302         width = (int) (p * (double) screen->progress_window.cols);
 303         mvwhline(screen->progress_window.w,
 304                  0, 0,
 305                  ACS_HLINE,
 306                  screen->progress_window.cols);
 307         whline(screen->progress_window.w, '=', width-1);
 308         mvwaddch(screen->progress_window.w, 0, width-1, 'O');
 309         wnoutrefresh(screen->progress_window.w);
 310 }
 311
 312 static void
 313 paint_status_window(mpdclient_t *c)
 314 {
 315         WINDOW *w = screen->status_window.w;
 316         mpd_Status *status = c->status;
 317         mpd_Song *song = c->song;
 318         int elapsedTime = 0;
 319         const char *str = NULL;
 320         int x = 0;
 321
 322         if( time(NULL) - screen->status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 323                 return;
 324
 325         wmove(w, 0, 0);
 326         wclrtoeol(w);
 327         colors_use(w, COLOR_STATUS_BOLD);
 328
 329         switch(status->state) {
 330         case MPD_STATUS_STATE_PLAY:
 331                 str = _("Playing:");
 332                 break;
 333         case MPD_STATUS_STATE_PAUSE:
 334                 str = _("[Paused]");
 335                 break;
 336         case MPD_STATUS_STATE_STOP:
 337         default:
 338                 break;
 339         }
 340
 341         if (str) {
 342                 waddstr(w, str);
 343                 x += my_strlen(str)+1;
 344         }
 345
 346         /* create time string */
 347         memset(screen->buf, 0, screen->buf_size);
 348         if (IS_PLAYING(status->state) || IS_PAUSED(status->state)) {
 349                 if (status->totalTime > 0) {
 350                         /*checks the conf to see whether to display elapsed or remaining time */
 351                         if(!strcmp(options.timedisplay_type,"elapsed"))
 352                                 elapsedTime = c->status->elapsedTime;
 353                         else if(!strcmp(options.timedisplay_type,"remaining"))
 354                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 355
 356                         if( c->song && seek_id == c->song->id )
 357                                 elapsedTime = seek_target_time;
 358                         /*write out the time, using hours if time over 60 minutes*/
 359                         if (c->status->totalTime > 3600) {
 360                                 g_snprintf(screen->buf, screen->buf_size,
 361                                            " [%i:%02i:%02i/%i:%02i:%02i]",
 362                                            elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 363                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 364                         } else {
 365                                 g_snprintf(screen->buf, screen->buf_size,
 366                                            " [%i:%02i/%i:%02i]",
 367                                            elapsedTime/60, elapsedTime%60,
 368                                            status->totalTime/60,   status->totalTime%60 );
 369                         }
 370                 } else {
 371                         g_snprintf(screen->buf, screen->buf_size,
 372                                    " [%d kbps]", status->bitRate );
 373                 }
 374         } else {
 375                 time_t timep;
 376
 377                 time(&timep);
 378                 strftime(screen->buf, screen->buf_size, "%X ",localtime(&timep));
 379         }
 380
 381         /* display song */
 382         if (IS_PLAYING(status->state) || IS_PAUSED(status->state)) {
 383                 char songname[MAX_SONGNAME_LENGTH];
 384                 int width = COLS-x-my_strlen(screen->buf);
 385
 386                 if (song)
 387                         strfsong(songname, MAX_SONGNAME_LENGTH, STATUS_FORMAT, song);
 388                 else
 389                         songname[0] = '\0';
 390
 391                 colors_use(w, COLOR_STATUS);
 392                 /* scroll if the song name is to long */
 393                 if (options.scroll && my_strlen(songname) > (size_t)width) {
 394                         static  scroll_state_t st = { 0, 0 };
 395                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 396
 397                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 398                         g_free(tmp);
 399                 }
 400                 //mvwaddnstr(w, 0, x, songname, width);
 401                 mvwaddstr(w, 0, x, songname);
 402         }
 403
 404         /* display time string */
 405         if (screen->buf[0]) {
 406                 x = screen->status_window.cols - strlen(screen->buf);
 407                 colors_use(w, COLOR_STATUS_TIME);
 408                 mvwaddstr(w, 0, x, screen->buf);
 409         }
 410
 411         wnoutrefresh(w);
 412 }
 413
 414 int
 415 screen_exit(void)
 416 {
 417         endwin();
 418         if (screen) {
 419                 gint i;
 420
 421                 /* close and exit all screens (playlist,browse,help...) */
 422                 i=0;
 423                 while (screens[i].functions) {
 424                         const struct screen_functions *sf = screens[i].functions;
 425
 426                         if (sf->close)
 427                                 sf->close();
 428                         if (sf->exit)
 429                                 sf->exit();
 430
 431                         i++;
 432                 }
 433
 434                 string_list_free(screen->find_history);
 435                 g_free(screen->buf);
 436                 g_free(screen->findbuf);
 437
 438                 g_free(screen);
 439                 screen = NULL;
 440         }
 441         return 0;
 442 }
 443
 444 void
 445 screen_resize(void)
 446 {
 447         gint i;
 448
 449         D("Resize rows %d->%d, cols %d->%d\n",screen->rows,LINES,screen->cols,COLS);
 450         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 451                 screen_exit();
 452                 fprintf(stderr, _("Error: Screen to small!\n"));
 453                 exit(EXIT_FAILURE);
 454         }
 455
 456         resizeterm(LINES, COLS);
 457
 458         screen->cols = COLS;
 459         screen->rows = LINES;
 460
 461         /* top window */
 462         screen->top_window.cols = screen->cols;
 463         wresize(screen->top_window.w, 2, screen->cols);
 464
 465         /* main window */
 466         screen->main_window.cols = screen->cols;
 467         screen->main_window.rows = screen->rows-4;
 468         wresize(screen->main_window.w, screen->main_window.rows, screen->cols);
 469         wclear(screen->main_window.w);
 470
 471         /* progress window */
 472         screen->progress_window.cols = screen->cols;
 473         wresize(screen->progress_window.w, 1, screen->cols);
 474         mvwin(screen->progress_window.w, screen->rows-2, 0);
 475
 476         /* status window */
 477         screen->status_window.cols = screen->cols;
 478         wresize(screen->status_window.w, 1, screen->cols);
 479         mvwin(screen->status_window.w, screen->rows-1, 0);
 480
 481         screen->buf_size = screen->cols;
 482         g_free(screen->buf);
 483         screen->buf = g_malloc(screen->cols);
 484
 485         /* close and exit all screens (playlist,browse,help...) */
 486         i=0;
 487         while (screens[i].functions) {
 488                 const struct screen_functions *sf = screens[i].functions;
 489
 490                 if (sf->resize)
 491                         sf->resize(screen->main_window.cols, screen->main_window.rows);
 492
 493                 i++;
 494         }
 495
 496         /* ? - without this the cursor becomes visible with aterm & Eterm */
 497         curs_set(1);
 498         curs_set(0);
 499
 500         screen->painted = 0;
 501 }
 502
 503 void
 504 screen_status_message(const char *msg)
 505 {
 506         WINDOW *w = screen->status_window.w;
 507
 508         wmove(w, 0, 0);
 509         wclrtoeol(w);
 510         colors_use(w, COLOR_STATUS_ALERT);
 511         waddstr(w, msg);
 512         wnoutrefresh(w);
 513         screen->status_timestamp = time(NULL);
 514 }
 515
 516 void
 517 screen_status_printf(const char *format, ...)
 518 {
 519         char *msg;
 520         va_list ap;
 521
 522         va_start(ap,format);
 523         msg = g_strdup_vprintf(format,ap);
 524         va_end(ap);
 525         screen_status_message(msg);
 526         g_free(msg);
 527 }
 528
 529 void
 530 ncurses_init(void)
 531 {
 532
 533         /* initialize the curses library */
 534         initscr();
 535         /* initialize color support */
 536         colors_start();
 537         /* tell curses not to do NL->CR/NL on output */
 538         nonl();
 539         /*  use raw mode (ignore interrupt,quit,suspend, and flow control ) */
 540 #ifdef ENABLE_RAW_MODE
 541         //  raw();
 542 #endif
 543         /* don't echo input */
 544         noecho();
 545         /* set cursor invisible */
 546         curs_set(0);
 547         /* enable extra keys */
 548         keypad(stdscr, TRUE);
 549         /* return from getch() without blocking */
 550         timeout(SCREEN_TIMEOUT);
 551         /* initialize mouse support */
 552 #ifdef HAVE_GETMOUSE
 553         if( options.enable_mouse )
 554                 mousemask(ALL_MOUSE_EVENTS, NULL);
 555 #endif
 556
 557         if( COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS )
 558                 {
 559                         fprintf(stderr, _("Error: Screen to small!\n"));
 560                         exit(EXIT_FAILURE);
 561                 }
 562         screen = g_malloc(sizeof(screen_t));
 563         memset(screen, 0, sizeof(screen_t));
 564         screen->mode = 0;
 565         screen->cols = COLS;
 566         screen->rows = LINES;
 567
 568         screen->buf  = g_malloc(screen->cols);
 569         screen->buf_size = screen->cols;
 570         screen->findbuf = NULL;
 571         screen->painted = 0;
 572         screen->start_timestamp = time(NULL);
 573         screen->input_timestamp = time(NULL);
 574         screen->last_cmd = CMD_NONE;
 575
 576         /* create top window */
 577         screen->top_window.rows = 2;
 578         screen->top_window.cols = screen->cols;
 579         screen->top_window.w = newwin(screen->top_window.rows,
 580                                       screen->top_window.cols,
 581                                       0, 0);
 582         leaveok(screen->top_window.w, TRUE);
 583         keypad(screen->top_window.w, TRUE);
 584
 585         /* create main window */
 586         screen->main_window.rows = screen->rows-4;
 587         screen->main_window.cols = screen->cols;
 588         screen->main_window.w = newwin(screen->main_window.rows,
 589                                        screen->main_window.cols,
 590                                        2,
 591                                        0);
 592
 593         //  leaveok(screen->main_window.w, TRUE); temporary disabled
 594         keypad(screen->main_window.w, TRUE);
 595
 596         /* create progress window */
 597         screen->progress_window.rows = 1;
 598         screen->progress_window.cols = screen->cols;
 599         screen->progress_window.w = newwin(screen->progress_window.rows,
 600                                            screen->progress_window.cols,
 601                                            screen->rows-2,
 602                                            0);
 603         leaveok(screen->progress_window.w, TRUE);
 604
 605         /* create status window */
 606         screen->status_window.rows = 1;
 607         screen->status_window.cols = screen->cols;
 608         screen->status_window.w = newwin(screen->status_window.rows,
 609                                          screen->status_window.cols,
 610                                          screen->rows-1,
 611                                          0);
 612
 613         leaveok(screen->status_window.w, FALSE);
 614         keypad(screen->status_window.w, TRUE);
 615
 616         if( options.enable_colors )
 617                 {
 618                         /* set background attributes */
 619                         wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 620                         wbkgd(screen->main_window.w,     COLOR_PAIR(COLOR_LIST));
 621                         wbkgd(screen->top_window.w,      COLOR_PAIR(COLOR_TITLE));
 622                         wbkgd(screen->progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 623                         wbkgd(screen->status_window.w,   COLOR_PAIR(COLOR_STATUS));
 624                         colors_use(screen->progress_window.w, COLOR_PROGRESSBAR);
 625                 }
 626
 627         refresh();
 628 }
 629
 630 int
 631 screen_init(mpdclient_t *c)
 632 {
 633         gint i;
 634
 635         /* initialize screens */
 636         i=0;
 637         while (screens[i].functions) {
 638                 const struct screen_functions *fn = screens[i].functions;
 639
 640                 if (fn->init)
 641                         fn->init(screen->main_window.w,
 642                                  screen->main_window.cols,
 643                                  screen->main_window.rows);
 644
 645                 i++;
 646         }
 647
 648 #if 0
 649         /* broken */
 650         mode_fn = NULL;
 651         switch_screen_mode(screen_get_id(options.screen_list[0]), c);
 652 #else
 653         mode_fn = &screen_playlist;
 654 #endif
 655
 656         if( mode_fn && mode_fn->open )
 657                 mode_fn->open(screen, c);
 658
 659         /* initialize wreadln */
 660         wrln_wgetch = my_wgetch;
 661         wrln_max_history_length = 16;
 662
 663         return 0;
 664 }
 665
 666 void
 667 screen_paint(mpdclient_t *c)
 668 {
 669         const char *title = NULL;
 670
 671         if (mode_fn && mode_fn->get_title)
 672                 title = mode_fn->get_title(screen->buf, screen->buf_size);
 673
 674         D("screen_paint(%s)\n", title);
 675         /* paint the title/header window */
 676         if( title )
 677                 paint_top_window(title, c, 1);
 678         else
 679                 paint_top_window("", c, 1);
 680
 681         /* paint the main window */
 682         wclear(screen->main_window.w);
 683         if( mode_fn && mode_fn->paint )
 684                 mode_fn->paint(screen, c);
 685
 686         paint_progress_window(c);
 687         paint_status_window(c);
 688         screen->painted = 1;
 689         wmove(screen->main_window.w, 0, 0);
 690         wnoutrefresh(screen->main_window.w);
 691
 692         /* tell curses to update */
 693         doupdate();
 694 }
 695
 696 void
 697 screen_update(mpdclient_t *c)
 698 {
 699         static int repeat = -1;
 700         static int random_enabled = -1;
 701         static int crossfade = -1;
 702         static int dbupdate = -1;
 703
 704         if( !screen->painted )
 705                 return screen_paint(c);
 706
 707         /* print a message if mpd status has changed */
 708         if (repeat < 0) {
 709                 repeat = c->status->repeat;
 710                 random_enabled = c->status->random;
 711                 crossfade = c->status->crossfade;
 712                 dbupdate = c->status->updatingDb;
 713         }
 714
 715         if (repeat != c->status->repeat)
 716                 screen_status_printf(c->status->repeat ?
 717                                      _("Repeat is on") :
 718                                      _("Repeat is off"));
 719
 720         if (random_enabled != c->status->random)
 721                 screen_status_printf(c->status->random ?
 722                                      _("Random is on") :
 723                                      _("Random is off"));
 724
 725         if (crossfade != c->status->crossfade)
 726                 screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 727
 728         if (dbupdate && dbupdate != c->status->updatingDb) {
 729                 screen_status_printf(_("Database updated!"));
 730                 mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 731         }
 732
 733         repeat = c->status->repeat;
 734         random_enabled = c->status->random;
 735         crossfade = c->status->crossfade;
 736         dbupdate = c->status->updatingDb;
 737
 738         /* update title/header window */
 739         if (welcome && screen->last_cmd==CMD_NONE &&
 740             time(NULL)-screen->start_timestamp <= SCREEN_WELCOME_TIME)
 741                 paint_top_window("", c, 0);
 742         else if (mode_fn && mode_fn->get_title) {
 743                 paint_top_window(mode_fn->get_title(screen->buf,screen->buf_size), c, 0);
 744                 welcome = FALSE;
 745         } else
 746                 paint_top_window("", c, 0);
 747
 748         /* update the main window */
 749         if (mode_fn && mode_fn->paint)
 750                 mode_fn->update(screen, c);
 751
 752         /* update progress window */
 753         paint_progress_window(c);
 754
 755         /* update status window */
 756         paint_status_window(c);
 757
 758         /* move the cursor to the origin */
 759         wmove(screen->main_window.w, 0, 0);
 760         wnoutrefresh(screen->main_window.w);
 761
 762         /* tell curses to update */
 763         doupdate();
 764 }
 765
 766 void
 767 screen_idle(mpdclient_t *c)
 768 {
 769         if (c->song && seek_id == c->song->id &&
 770             (screen->last_cmd == CMD_SEEK_FORWARD ||
 771              screen->last_cmd == CMD_SEEK_BACKWARD))
 772                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 773
 774         screen->last_cmd = CMD_NONE;
 775         seek_id = -1;
 776 }
 777
 778 #ifdef HAVE_GETMOUSE
 779 int
 780 screen_get_mouse_event(mpdclient_t *c,
 781                        list_window_t *lw, int lw_length,
 782                        unsigned long *bstate, int *row)
 783 {
 784         MEVENT event;
 785
 786         /* retreive the mouse event from ncurses */
 787         getmouse(&event);
 788         D("mouse: id=%d  y=%d,x=%d,z=%d\n",event.id,event.y,event.x,event.z);
 789         /* calculate the selected row in the list window */
 790         *row = event.y - screen->top_window.rows;
 791         /* copy button state bits */
 792         *bstate = event.bstate;
 793         /* if button 2 was pressed switch screen */
 794         if (event.bstate & BUTTON2_CLICKED) {
 795                 screen_cmd(c, CMD_SCREEN_NEXT);
 796                 return 1;
 797         }
 798
 799         /* if the even occured above the list window move up */
 800         if (*row < 0 && lw) {
 801                 if (event.bstate & BUTTON3_CLICKED)
 802                         list_window_first(lw);
 803                 else
 804                         list_window_previous_page(lw);
 805                 return 1;
 806         }
 807
 808         /* if the even occured below the list window move down */
 809         if ((unsigned)*row >= lw->rows && lw) {
 810                 if (event.bstate & BUTTON3_CLICKED)
 811                         list_window_last(lw, lw_length);
 812                 else
 813                         list_window_next_page(lw, lw_length);
 814                 return 1;
 815         }
 816
 817         return 0;
 818 }
 819 #endif
 820
 821 void
 822 screen_cmd(mpdclient_t *c, command_t cmd)
 823 {
 824         screen->input_timestamp = time(NULL);
 825         screen->last_cmd = cmd;
 826         welcome = FALSE;
 827
 828         if( mode_fn && mode_fn->cmd && mode_fn->cmd(screen, c, cmd) )
 829                 return;
 830
 831         switch(cmd) {
 832         case CMD_PLAY:
 833                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 834                 break;
 835         case CMD_PAUSE:
 836                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 837                 break;
 838         case CMD_STOP:
 839                 mpdclient_cmd_stop(c);
 840                 break;
 841         case CMD_SEEK_FORWARD:
 842                 if (!IS_STOPPED(c->status->state)) {
 843                         if (c->song && seek_id != c->song->id) {
 844                                 seek_id = c->song->id;
 845                                 seek_target_time = c->status->elapsedTime;
 846                         }
 847                         seek_target_time+=options.seek_time;
 848                         if (seek_target_time < c->status->totalTime)
 849                                 break;
 850                         seek_target_time = c->status->totalTime;
 851                         /* seek_target_time=0; */
 852                 }
 853                 break;
 854                 /* fall through... */
 855         case CMD_TRACK_NEXT:
 856                 if (!IS_STOPPED(c->status->state))
 857                         mpdclient_cmd_next(c);
 858                 break;
 859         case CMD_SEEK_BACKWARD:
 860                 if (!IS_STOPPED(c->status->state)) {
 861                         if (seek_id != c->song->id) {
 862                                 seek_id = c->song->id;
 863                                 seek_target_time = c->status->elapsedTime;
 864                         }
 865                         seek_target_time-=options.seek_time;
 866                         if (seek_target_time < 0)
 867                                 seek_target_time=0;
 868                 }
 869                 break;
 870         case CMD_TRACK_PREVIOUS:
 871                 if (!IS_STOPPED(c->status->state))
 872                         mpdclient_cmd_prev(c);
 873                 break;
 874         case CMD_SHUFFLE:
 875                 if (mpdclient_cmd_shuffle(c) == 0)
 876                         screen_status_message(_("Shuffled playlist!"));
 877                 break;
 878         case CMD_CLEAR:
 879                 if (mpdclient_cmd_clear(c) == 0)
 880                         screen_status_message(_("Cleared playlist!"));
 881                 break;
 882         case CMD_REPEAT:
 883                 mpdclient_cmd_repeat(c, !c->status->repeat);
 884                 break;
 885         case CMD_RANDOM:
 886                 mpdclient_cmd_random(c, !c->status->random);
 887                 break;
 888         case CMD_CROSSFADE:
 889                 if (c->status->crossfade)
 890                         mpdclient_cmd_crossfade(c, 0);
 891                 else
 892                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 893                 break;
 894         case CMD_DB_UPDATE:
 895                 if (!c->status->updatingDb) {
 896                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 897                                 screen_status_printf(_("Database update started!"));
 898                 } else
 899                         screen_status_printf(_("Database update running..."));
 900                 break;
 901         case CMD_VOLUME_UP:
 902                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 903                         mpdclient_cmd_volume(c, ++c->status->volume);
 904                 break;
 905         case CMD_VOLUME_DOWN:
 906                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 907                         mpdclient_cmd_volume(c, --c->status->volume);
 908                 break;
 909         case CMD_TOGGLE_FIND_WRAP:
 910                 options.find_wrap = !options.find_wrap;
 911                 screen_status_printf(options.find_wrap ?
 912                                      _("Find mode: Wrapped") :
 913                                      _("Find mode: Normal"));
 914                 break;
 915         case CMD_TOGGLE_AUTOCENTER:
 916                 options.auto_center = !options.auto_center;
 917                 screen_status_printf(options.auto_center ?
 918                                      _("Auto center mode: On") :
 919                                      _("Auto center mode: Off"));
 920                 break;
 921         case CMD_SCREEN_UPDATE:
 922                 screen->painted = 0;
 923                 break;
 924         case CMD_SCREEN_PREVIOUS:
 925                 screen_next_mode(c, -1);
 926                 break;
 927         case CMD_SCREEN_NEXT:
 928                 screen_next_mode(c, 1);
 929                 break;
 930         case CMD_SCREEN_PLAY:
 931                 switch_screen_mode(SCREEN_PLAYLIST_ID, c);
 932                 break;
 933         case CMD_SCREEN_FILE:
 934                 switch_screen_mode(SCREEN_BROWSE_ID, c);
 935                 break;
 936         case CMD_SCREEN_HELP:
 937                 switch_screen_mode(SCREEN_HELP_ID, c);
 938                 break;
 939         case CMD_SCREEN_SEARCH:
 940                 switch_screen_mode(SCREEN_SEARCH_ID, c);
 941                 break;
 942         case CMD_SCREEN_ARTIST:
 943                 switch_screen_mode(SCREEN_ARTIST_ID, c);
 944                 break;
 945         case CMD_SCREEN_KEYDEF:
 946                 switch_screen_mode(SCREEN_KEYDEF_ID, c);
 947                 break;
 948         case CMD_SCREEN_CLOCK:
 949                 switch_screen_mode(SCREEN_CLOCK_ID, c);
 950                 break;
 951         case CMD_SCREEN_LYRICS:
 952                 switch_screen_mode(SCREEN_LYRICS_ID, c);
 953                 break;
 954         case CMD_QUIT:
 955                 exit(EXIT_SUCCESS);
 956         default:
 957                 break;
 958         }
 959 }