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 struct screen_functions *get_screen_playlist(void);
  54 extern struct screen_functions *get_screen_browse(void);
  55 extern struct screen_functions *get_screen_help(void);
  56 extern struct screen_functions *get_screen_search(void);
  57 extern struct screen_functions *get_screen_artist(void);
  58 extern struct screen_functions *get_screen_keydef(void);
  59 extern struct screen_functions *get_screen_clock(void);
  60 extern struct screen_functions *get_screen_lyrics(void);
  61
  62 typedef struct screen_functions * (*screen_get_mode_functions_fn_t) (void);
  63
  64 static const struct
  65 {
  66         gint id;
  67         const gchar *name;
  68         screen_get_mode_functions_fn_t get_mode_functions;
  69 } screens[] = {
  70         { SCREEN_PLAYLIST_ID, "playlist", get_screen_playlist },
  71         { SCREEN_BROWSE_ID,   "browse",   get_screen_browse },
  72 #ifdef ENABLE_ARTIST_SCREEN
  73         { SCREEN_ARTIST_ID,   "artist",   get_screen_artist },
  74 #endif
  75         { SCREEN_HELP_ID,     "help",     get_screen_help },
  76 #ifdef ENABLE_SEARCH_SCREEN
  77         { SCREEN_SEARCH_ID,   "search",   get_screen_search },
  78 #endif
  79 #ifdef ENABLE_KEYDEF_SCREEN
  80         { SCREEN_KEYDEF_ID,   "keydef",   get_screen_keydef },
  81 #endif
  82 #ifdef ENABLE_CLOCK_SCREEN
  83         { SCREEN_CLOCK_ID,    "clock",    get_screen_clock },
  84 #endif
  85 #ifdef ENABLE_LYRICS_SCREEN
  86         { SCREEN_LYRICS_ID,    "lyrics",    get_screen_lyrics },
  87 #endif
  88         { G_MAXINT, NULL,      NULL }
  89 };
  90
  91 static gboolean welcome = TRUE;
  92 static screen_t *screen = NULL;
  93 static struct screen_functions *mode_fn = NULL;
  94 static int seek_id = -1;
  95 static int seek_target_time = 0;
  96
  97 gint
  98 screen_get_id(const char *name)
  99 {
 100         gint i=0;
 101
 102         while (screens[i].name) {
 103                 if (strcmp(name, screens[i].name) == 0)
 104                         return screens[i].id;
 105                 i++;
 106         }
 107         return -1;
 108 }
 109
 110 static gint
 111 lookup_mode(gint id)
 112 {
 113         gint i=0;
 114
 115         while (screens[i].name) {
 116                 if (screens[i].id == id)
 117                         return i;
 118                 i++;
 119         }
 120         return -1;
 121 }
 122
 123 gint get_cur_mode_id(void)
 124 {
 125         return screens[screen->mode].id;
 126 }
 127
 128 static void
 129 switch_screen_mode(gint id, mpdclient_t *c)
 130 {
 131         gint new_mode;
 132
 133         if( id == screens[screen->mode].id )
 134                 return;
 135
 136         /* close the old mode */
 137         if( mode_fn && mode_fn->close )
 138                 mode_fn->close();
 139
 140         /* get functions for the new mode */
 141         new_mode = lookup_mode(id);
 142         if (new_mode>=0 && screens[new_mode].get_mode_functions) {
 143                 D("switch_screen(%s)\n", screens[new_mode].name );
 144                 mode_fn = screens[new_mode].get_mode_functions();
 145                 screen->mode = new_mode;
 146         }
 147
 148         screen->painted = 0;
 149
 150         /* open the new mode */
 151         if (mode_fn && mode_fn->open)
 152                 mode_fn->open(screen, c);
 153 }
 154
 155 static void
 156 screen_next_mode(mpdclient_t *c, int offset)
 157 {
 158         int max = g_strv_length(options.screen_list);
 159         int current, next;
 160         int i;
 161
 162         /* find current screen */
 163         current = -1;
 164         i = 0;
 165         while (options.screen_list[i]) {
 166                 if (strcmp(options.screen_list[i],
 167                            screens[screen->mode].name) == 0)
 168                         current = i;
 169                 i++;
 170         }
 171
 172         next = current + offset;
 173         if (next<0)
 174                 next = max-1;
 175         else if (next>=max)
 176                 next = 0;
 177
 178         D("current mode: %d:%d    next:%d\n", current, max, next);
 179         switch_screen_mode(screen_get_id(options.screen_list[next]), c);
 180 }
 181
 182 static void
 183 paint_top_window2(const char *header, mpdclient_t *c)
 184 {
 185         char flags[5];
 186         WINDOW *w = screen->top_window.w;
 187         char buf[32];
 188
 189         if (header[0]) {
 190                 colors_use(w, COLOR_TITLE_BOLD);
 191                 mvwaddstr(w, 0, 0, header);
 192         } else {
 193                 colors_use(w, COLOR_TITLE_BOLD);
 194                 waddstr(w, get_key_names(CMD_SCREEN_HELP, FALSE));
 195                 colors_use(w, COLOR_TITLE);
 196                 waddstr(w, _(":Help  "));
 197                 colors_use(w, COLOR_TITLE_BOLD);
 198                 waddstr(w, get_key_names(CMD_SCREEN_PLAY, FALSE));
 199                 colors_use(w, COLOR_TITLE);
 200                 waddstr(w, _(":Playlist  "));
 201                 colors_use(w, COLOR_TITLE_BOLD);
 202                 waddstr(w, get_key_names(CMD_SCREEN_FILE, FALSE));
 203                 colors_use(w, COLOR_TITLE);
 204                 waddstr(w, _(":Browse  "));
 205 #ifdef ENABLE_ARTIST_SCREEN
 206                 colors_use(w, COLOR_TITLE_BOLD);
 207                 waddstr(w, get_key_names(CMD_SCREEN_ARTIST, FALSE));
 208                 colors_use(w, COLOR_TITLE);
 209                 waddstr(w, _(":Artist  "));
 210 #endif
 211 #ifdef ENABLE_SEARCH_SCREEN
 212                 colors_use(w, COLOR_TITLE_BOLD);
 213                 waddstr(w, get_key_names(CMD_SCREEN_SEARCH, FALSE));
 214                 colors_use(w, COLOR_TITLE);
 215                 waddstr(w, _(":Search  "));
 216 #endif
 217 #ifdef ENABLE_LYRICS_SCREEN
 218                 colors_use(w, COLOR_TITLE_BOLD);
 219                 waddstr(w, get_key_names(CMD_SCREEN_LYRICS, FALSE));
 220                 colors_use(w, COLOR_TITLE);
 221                 waddstr(w, _(":Lyrics  "));
 222 #endif
 223         }
 224         if (c->status->volume==MPD_STATUS_NO_VOLUME) {
 225                 g_snprintf(buf, 32, _("Volume n/a "));
 226         } else {
 227                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 228         }
 229         colors_use(w, COLOR_TITLE);
 230         mvwaddstr(w, 0, screen->top_window.cols-my_strlen(buf), buf);
 231
 232         flags[0] = 0;
 233         if( c->status->repeat )
 234                 g_strlcat(flags, "r", sizeof(flags));
 235         if( c->status->random )
 236                 g_strlcat(flags, "z", sizeof(flags));;
 237         if( c->status->crossfade )
 238                 g_strlcat(flags, "x", sizeof(flags));
 239         if( c->status->updatingDb )
 240                 g_strlcat(flags, "U", sizeof(flags));
 241         colors_use(w, COLOR_LINE);
 242         mvwhline(w, 1, 0, ACS_HLINE, screen->top_window.cols);
 243         if (flags[0]) {
 244                 wmove(w,1,screen->top_window.cols-strlen(flags)-3);
 245                 waddch(w, '[');
 246                 colors_use(w, COLOR_LINE_BOLD);
 247                 waddstr(w, flags);
 248                 colors_use(w, COLOR_LINE);
 249                 waddch(w, ']');
 250         }
 251         wnoutrefresh(w);
 252 }
 253
 254 static void
 255 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 256 {
 257         static int prev_volume = -1;
 258         static size_t prev_header_len = -1;
 259         WINDOW *w = screen->top_window.w;
 260
 261         if (prev_header_len!=my_strlen(header)) {
 262                 prev_header_len = my_strlen(header);
 263                 full_repaint = 1;
 264         }
 265
 266         if (full_repaint) {
 267                 wmove(w, 0, 0);
 268                 wclrtoeol(w);
 269         }
 270
 271         if (prev_volume!=c->status->volume || full_repaint)
 272                 paint_top_window2(header, c);
 273 }
 274
 275 static void
 276 paint_progress_window(mpdclient_t *c)
 277 {
 278         double p;
 279         int width;
 280         int elapsedTime = c->status->elapsedTime;
 281
 282         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 283                 mvwhline(screen->progress_window.w, 0, 0, ACS_HLINE,
 284                          screen->progress_window.cols);
 285                 wnoutrefresh(screen->progress_window.w);
 286                 return;
 287         }
 288
 289         if (c->song && seek_id == c->song->id)
 290                 elapsedTime = seek_target_time;
 291
 292         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 293
 294         width = (int) (p * (double) screen->progress_window.cols);
 295         mvwhline(screen->progress_window.w,
 296                  0, 0,
 297                  ACS_HLINE,
 298                  screen->progress_window.cols);
 299         whline(screen->progress_window.w, '=', width-1);
 300         mvwaddch(screen->progress_window.w, 0, width-1, 'O');
 301         wnoutrefresh(screen->progress_window.w);
 302 }
 303
 304 static void
 305 paint_status_window(mpdclient_t *c)
 306 {
 307         WINDOW *w = screen->status_window.w;
 308         mpd_Status *status = c->status;
 309         mpd_Song *song = c->song;
 310         int elapsedTime = 0;
 311         const char *str = NULL;
 312         int x = 0;
 313
 314         if( time(NULL) - screen->status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 315                 return;
 316
 317         wmove(w, 0, 0);
 318         wclrtoeol(w);
 319         colors_use(w, COLOR_STATUS_BOLD);
 320
 321         switch(status->state) {
 322         case MPD_STATUS_STATE_PLAY:
 323                 str = _("Playing:");
 324                 break;
 325         case MPD_STATUS_STATE_PAUSE:
 326                 str = _("[Paused]");
 327                 break;
 328         case MPD_STATUS_STATE_STOP:
 329         default:
 330                 break;
 331         }
 332
 333         if (str) {
 334                 waddstr(w, str);
 335                 x += my_strlen(str)+1;
 336         }
 337
 338         /* create time string */
 339         memset(screen->buf, 0, screen->buf_size);
 340         if (IS_PLAYING(status->state) || IS_PAUSED(status->state)) {
 341                 if (status->totalTime > 0) {
 342                         /*checks the conf to see whether to display elapsed or remaining time */
 343                         if(!strcmp(options.timedisplay_type,"elapsed"))
 344                                 elapsedTime = c->status->elapsedTime;
 345                         else if(!strcmp(options.timedisplay_type,"remaining"))
 346                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 347
 348                         if( c->song && seek_id == c->song->id )
 349                                 elapsedTime = seek_target_time;
 350                         /*write out the time, using hours if time over 60 minutes*/
 351                         if (c->status->totalTime > 3600) {
 352                                 g_snprintf(screen->buf, screen->buf_size,
 353                                            " [%i:%02i:%02i/%i:%02i:%02i]",
 354                                            elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 355                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 356                         } else {
 357                                 g_snprintf(screen->buf, screen->buf_size,
 358                                            " [%i:%02i/%i:%02i]",
 359                                            elapsedTime/60, elapsedTime%60,
 360                                            status->totalTime/60,   status->totalTime%60 );
 361                         }
 362                 } else {
 363                         g_snprintf(screen->buf, screen->buf_size,
 364                                    " [%d kbps]", status->bitRate );
 365                 }
 366         } else {
 367                 time_t timep;
 368
 369                 time(&timep);
 370                 strftime(screen->buf, screen->buf_size, "%X ",localtime(&timep));
 371         }
 372
 373         /* display song */
 374         if (IS_PLAYING(status->state) || IS_PAUSED(status->state)) {
 375                 char songname[MAX_SONGNAME_LENGTH];
 376                 int width = COLS-x-my_strlen(screen->buf);
 377
 378                 if (song)
 379                         strfsong(songname, MAX_SONGNAME_LENGTH, STATUS_FORMAT, song);
 380                 else
 381                         songname[0] = '\0';
 382
 383                 colors_use(w, COLOR_STATUS);
 384                 /* scroll if the song name is to long */
 385                 if (options.scroll && my_strlen(songname) > (size_t)width) {
 386                         static  scroll_state_t st = { 0, 0 };
 387                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 388
 389                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 390                         g_free(tmp);
 391                 }
 392                 //mvwaddnstr(w, 0, x, songname, width);
 393                 mvwaddstr(w, 0, x, songname);
 394         }
 395
 396         /* display time string */
 397         if (screen->buf[0]) {
 398                 x = screen->status_window.cols - strlen(screen->buf);
 399                 colors_use(w, COLOR_STATUS_TIME);
 400                 mvwaddstr(w, 0, x, screen->buf);
 401         }
 402
 403         wnoutrefresh(w);
 404 }
 405
 406 int
 407 screen_exit(void)
 408 {
 409         endwin();
 410         if (screen) {
 411                 gint i;
 412
 413                 /* close and exit all screens (playlist,browse,help...) */
 414                 i=0;
 415                 while (screens[i].get_mode_functions) {
 416                         struct screen_functions *sf = screens[i].get_mode_functions();
 417
 418                         if (sf && sf->close)
 419                                 sf->close();
 420                         if (sf && sf->exit)
 421                                 sf->exit();
 422
 423                         i++;
 424                 }
 425
 426                 string_list_free(screen->find_history);
 427                 g_free(screen->buf);
 428                 g_free(screen->findbuf);
 429
 430                 g_free(screen);
 431                 screen = NULL;
 432         }
 433         return 0;
 434 }
 435
 436 void
 437 screen_resize(void)
 438 {
 439         gint i;
 440
 441         D("Resize rows %d->%d, cols %d->%d\n",screen->rows,LINES,screen->cols,COLS);
 442         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 443                 screen_exit();
 444                 fprintf(stderr, _("Error: Screen to small!\n"));
 445                 exit(EXIT_FAILURE);
 446         }
 447
 448         resizeterm(LINES, COLS);
 449
 450         screen->cols = COLS;
 451         screen->rows = LINES;
 452
 453         /* top window */
 454         screen->top_window.cols = screen->cols;
 455         wresize(screen->top_window.w, 2, screen->cols);
 456
 457         /* main window */
 458         screen->main_window.cols = screen->cols;
 459         screen->main_window.rows = screen->rows-4;
 460         wresize(screen->main_window.w, screen->main_window.rows, screen->cols);
 461         wclear(screen->main_window.w);
 462
 463         /* progress window */
 464         screen->progress_window.cols = screen->cols;
 465         wresize(screen->progress_window.w, 1, screen->cols);
 466         mvwin(screen->progress_window.w, screen->rows-2, 0);
 467
 468         /* status window */
 469         screen->status_window.cols = screen->cols;
 470         wresize(screen->status_window.w, 1, screen->cols);
 471         mvwin(screen->status_window.w, screen->rows-1, 0);
 472
 473         screen->buf_size = screen->cols;
 474         g_free(screen->buf);
 475         screen->buf = g_malloc(screen->cols);
 476
 477         /* close and exit all screens (playlist,browse,help...) */
 478         i=0;
 479         while (screens[i].get_mode_functions) {
 480                 struct screen_functions *sf = screens[i].get_mode_functions();
 481
 482                 if (sf && sf->resize)
 483                         sf->resize(screen->main_window.cols, screen->main_window.rows);
 484
 485                 i++;
 486         }
 487
 488         /* ? - without this the cursor becomes visible with aterm & Eterm */
 489         curs_set(1);
 490         curs_set(0);
 491
 492         screen->painted = 0;
 493 }
 494
 495 void
 496 screen_status_message(const char *msg)
 497 {
 498         WINDOW *w = screen->status_window.w;
 499
 500         wmove(w, 0, 0);
 501         wclrtoeol(w);
 502         colors_use(w, COLOR_STATUS_ALERT);
 503         waddstr(w, msg);
 504         wnoutrefresh(w);
 505         screen->status_timestamp = time(NULL);
 506 }
 507
 508 void
 509 screen_status_printf(const char *format, ...)
 510 {
 511         char *msg;
 512         va_list ap;
 513
 514         va_start(ap,format);
 515         msg = g_strdup_vprintf(format,ap);
 516         va_end(ap);
 517         screen_status_message(msg);
 518         g_free(msg);
 519 }
 520
 521 void
 522 ncurses_init(void)
 523 {
 524
 525         /* initialize the curses library */
 526         initscr();
 527         /* initialize color support */
 528         colors_start();
 529         /* tell curses not to do NL->CR/NL on output */
 530         nonl();
 531         /*  use raw mode (ignore interrupt,quit,suspend, and flow control ) */
 532 #ifdef ENABLE_RAW_MODE
 533         //  raw();
 534 #endif
 535         /* don't echo input */
 536         noecho();
 537         /* set cursor invisible */
 538         curs_set(0);
 539         /* enable extra keys */
 540         keypad(stdscr, TRUE);
 541         /* return from getch() without blocking */
 542         timeout(SCREEN_TIMEOUT);
 543         /* initialize mouse support */
 544 #ifdef HAVE_GETMOUSE
 545         if( options.enable_mouse )
 546                 mousemask(ALL_MOUSE_EVENTS, NULL);
 547 #endif
 548
 549         if( COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS )
 550                 {
 551                         fprintf(stderr, _("Error: Screen to small!\n"));
 552                         exit(EXIT_FAILURE);
 553                 }
 554         screen = g_malloc(sizeof(screen_t));
 555         memset(screen, 0, sizeof(screen_t));
 556         screen->mode = 0;
 557         screen->cols = COLS;
 558         screen->rows = LINES;
 559
 560         screen->buf  = g_malloc(screen->cols);
 561         screen->buf_size = screen->cols;
 562         screen->findbuf = NULL;
 563         screen->painted = 0;
 564         screen->start_timestamp = time(NULL);
 565         screen->input_timestamp = time(NULL);
 566         screen->last_cmd = CMD_NONE;
 567
 568         /* create top window */
 569         screen->top_window.rows = 2;
 570         screen->top_window.cols = screen->cols;
 571         screen->top_window.w = newwin(screen->top_window.rows,
 572                                       screen->top_window.cols,
 573                                       0, 0);
 574         leaveok(screen->top_window.w, TRUE);
 575         keypad(screen->top_window.w, TRUE);
 576
 577         /* create main window */
 578         screen->main_window.rows = screen->rows-4;
 579         screen->main_window.cols = screen->cols;
 580         screen->main_window.w = newwin(screen->main_window.rows,
 581                                        screen->main_window.cols,
 582                                        2,
 583                                        0);
 584
 585         //  leaveok(screen->main_window.w, TRUE); temporary disabled
 586         keypad(screen->main_window.w, TRUE);
 587
 588         /* create progress window */
 589         screen->progress_window.rows = 1;
 590         screen->progress_window.cols = screen->cols;
 591         screen->progress_window.w = newwin(screen->progress_window.rows,
 592                                            screen->progress_window.cols,
 593                                            screen->rows-2,
 594                                            0);
 595         leaveok(screen->progress_window.w, TRUE);
 596
 597         /* create status window */
 598         screen->status_window.rows = 1;
 599         screen->status_window.cols = screen->cols;
 600         screen->status_window.w = newwin(screen->status_window.rows,
 601                                          screen->status_window.cols,
 602                                          screen->rows-1,
 603                                          0);
 604
 605         leaveok(screen->status_window.w, FALSE);
 606         keypad(screen->status_window.w, TRUE);
 607
 608         if( options.enable_colors )
 609                 {
 610                         /* set background attributes */
 611                         wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 612                         wbkgd(screen->main_window.w,     COLOR_PAIR(COLOR_LIST));
 613                         wbkgd(screen->top_window.w,      COLOR_PAIR(COLOR_TITLE));
 614                         wbkgd(screen->progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 615                         wbkgd(screen->status_window.w,   COLOR_PAIR(COLOR_STATUS));
 616                         colors_use(screen->progress_window.w, COLOR_PROGRESSBAR);
 617                 }
 618 }
 619
 620 int
 621 screen_init(mpdclient_t *c)
 622 {
 623         gint i;
 624
 625         /* initialize screens */
 626         i=0;
 627         while( screens[i].get_mode_functions )
 628                 {
 629                         struct screen_functions *fn = screens[i].get_mode_functions();
 630
 631                         if( fn && fn->init )
 632                                 fn->init(screen->main_window.w,
 633                                          screen->main_window.cols,
 634                                          screen->main_window.rows);
 635
 636                         i++;
 637                 }
 638
 639 #if 0
 640         /* broken */
 641         mode_fn = NULL;
 642         switch_screen_mode(screen_get_id(options.screen_list[0]), c);
 643 #else
 644         mode_fn = get_screen_playlist();
 645 #endif
 646
 647         if( mode_fn && mode_fn->open )
 648                 mode_fn->open(screen, c);
 649
 650         /* initialize wreadln */
 651         wrln_wgetch = my_wgetch;
 652         wrln_max_history_length = 16;
 653
 654         return 0;
 655 }
 656
 657 void
 658 screen_paint(mpdclient_t *c)
 659 {
 660         const char *title = NULL;
 661
 662         if (mode_fn && mode_fn->get_title)
 663                 title = mode_fn->get_title(screen->buf, screen->buf_size);
 664
 665         D("screen_paint(%s)\n", title);
 666         /* paint the title/header window */
 667         if( title )
 668                 paint_top_window(title, c, 1);
 669         else
 670                 paint_top_window("", c, 1);
 671
 672         /* paint the main window */
 673         wclear(screen->main_window.w);
 674         if( mode_fn && mode_fn->paint )
 675                 mode_fn->paint(screen, c);
 676
 677         paint_progress_window(c);
 678         paint_status_window(c);
 679         screen->painted = 1;
 680         wmove(screen->main_window.w, 0, 0);
 681         wnoutrefresh(screen->main_window.w);
 682
 683         /* tell curses to update */
 684         doupdate();
 685 }
 686
 687 void
 688 screen_update(mpdclient_t *c)
 689 {
 690         static int repeat = -1;
 691         static int random_enabled = -1;
 692         static int crossfade = -1;
 693         static int dbupdate = -1;
 694         list_window_t *lw = NULL;
 695
 696         if( !screen->painted )
 697                 return screen_paint(c);
 698
 699         /* print a message if mpd status has changed */
 700         if (repeat < 0) {
 701                 repeat = c->status->repeat;
 702                 random_enabled = c->status->random;
 703                 crossfade = c->status->crossfade;
 704                 dbupdate = c->status->updatingDb;
 705         }
 706
 707         if (repeat != c->status->repeat)
 708                 screen_status_printf(c->status->repeat ?
 709                                      _("Repeat is on") :
 710                                      _("Repeat is off"));
 711
 712         if (random_enabled != c->status->random)
 713                 screen_status_printf(c->status->random ?
 714                                      _("Random is on") :
 715                                      _("Random is off"));
 716
 717         if (crossfade != c->status->crossfade)
 718                 screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 719
 720         if (dbupdate && dbupdate != c->status->updatingDb) {
 721                 screen_status_printf(_("Database updated!"));
 722                 mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 723         }
 724
 725         repeat = c->status->repeat;
 726         random_enabled = c->status->random;
 727         crossfade = c->status->crossfade;
 728         dbupdate = c->status->updatingDb;
 729
 730         /* update title/header window */
 731         if (welcome && screen->last_cmd==CMD_NONE &&
 732             time(NULL)-screen->start_timestamp <= SCREEN_WELCOME_TIME)
 733                 paint_top_window("", c, 0);
 734         else if (mode_fn && mode_fn->get_title) {
 735                 paint_top_window(mode_fn->get_title(screen->buf,screen->buf_size), c, 0);
 736                 welcome = FALSE;
 737         } else
 738                 paint_top_window("", c, 0);
 739
 740         /* update the main window */
 741         if (mode_fn && mode_fn->paint)
 742                 mode_fn->update(screen, c);
 743
 744         if (mode_fn && mode_fn->get_lw)
 745                 lw = mode_fn->get_lw();
 746
 747         /* update progress window */
 748         paint_progress_window(c);
 749
 750         /* update status window */
 751         paint_status_window(c);
 752
 753         /* move the cursor to the selected row in the main window */
 754         if (lw)
 755                 wmove(screen->main_window.w, LW_ROW(lw), 0);
 756         else
 757                 wmove(screen->main_window.w, 0, 0);
 758         wnoutrefresh(screen->main_window.w);
 759
 760         /* tell curses to update */
 761         doupdate();
 762 }
 763
 764 void
 765 screen_idle(mpdclient_t *c)
 766 {
 767         if (c->song && seek_id == c->song->id &&
 768             (screen->last_cmd == CMD_SEEK_FORWARD ||
 769              screen->last_cmd == CMD_SEEK_BACKWARD))
 770                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 771
 772         screen->last_cmd = CMD_NONE;
 773         seek_id = -1;
 774 }
 775
 776 #ifdef HAVE_GETMOUSE
 777 int
 778 screen_get_mouse_event(mpdclient_t *c,
 779                        list_window_t *lw, int lw_length,
 780                        unsigned long *bstate, int *row)
 781 {
 782         MEVENT event;
 783
 784         /* retreive the mouse event from ncurses */
 785         getmouse(&event);
 786         D("mouse: id=%d  y=%d,x=%d,z=%d\n",event.id,event.y,event.x,event.z);
 787         /* calculate the selected row in the list window */
 788         *row = event.y - screen->top_window.rows;
 789         /* copy button state bits */
 790         *bstate = event.bstate;
 791         /* if button 2 was pressed switch screen */
 792         if (event.bstate & BUTTON2_CLICKED) {
 793                 screen_cmd(c, CMD_SCREEN_NEXT);
 794                 return 1;
 795         }
 796
 797         /* if the even occured above the list window move up */
 798         if (*row < 0 && lw) {
 799                 if (event.bstate & BUTTON3_CLICKED)
 800                         list_window_first(lw);
 801                 else
 802                         list_window_previous_page(lw);
 803                 return 1;
 804         }
 805
 806         /* if the even occured below the list window move down */
 807         if ((unsigned)*row >= lw->rows && lw) {
 808                 if (event.bstate & BUTTON3_CLICKED)
 809                         list_window_last(lw, lw_length);
 810                 else
 811                         list_window_next_page(lw, lw_length);
 812                 return 1;
 813         }
 814
 815         return 0;
 816 }
 817 #endif
 818
 819 void
 820 screen_cmd(mpdclient_t *c, command_t cmd)
 821 {
 822         screen->input_timestamp = time(NULL);
 823         screen->last_cmd = cmd;
 824         welcome = FALSE;
 825
 826         if( mode_fn && mode_fn->cmd && mode_fn->cmd(screen, c, cmd) )
 827                 return;
 828
 829         switch(cmd) {
 830         case CMD_PLAY:
 831                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 832                 break;
 833         case CMD_PAUSE:
 834                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 835                 break;
 836         case CMD_STOP:
 837                 mpdclient_cmd_stop(c);
 838                 break;
 839         case CMD_SEEK_FORWARD:
 840                 if (!IS_STOPPED(c->status->state)) {
 841                         if (c->song && seek_id != c->song->id) {
 842                                 seek_id = c->song->id;
 843                                 seek_target_time = c->status->elapsedTime;
 844                         }
 845                         seek_target_time+=options.seek_time;
 846                         if (seek_target_time < c->status->totalTime)
 847                                 break;
 848                         seek_target_time = c->status->totalTime;
 849                         /* seek_target_time=0; */
 850                 }
 851                 break;
 852                 /* fall through... */
 853         case CMD_TRACK_NEXT:
 854                 if (!IS_STOPPED(c->status->state))
 855                         mpdclient_cmd_next(c);
 856                 break;
 857         case CMD_SEEK_BACKWARD:
 858                 if (!IS_STOPPED(c->status->state)) {
 859                         if (seek_id != c->song->id) {
 860                                 seek_id = c->song->id;
 861                                 seek_target_time = c->status->elapsedTime;
 862                         }
 863                         seek_target_time-=options.seek_time;
 864                         if (seek_target_time < 0)
 865                                 seek_target_time=0;
 866                 }
 867                 break;
 868         case CMD_TRACK_PREVIOUS:
 869                 if (!IS_STOPPED(c->status->state))
 870                         mpdclient_cmd_prev(c);
 871                 break;
 872         case CMD_SHUFFLE:
 873                 if (mpdclient_cmd_shuffle(c) == 0)
 874                         screen_status_message(_("Shuffled playlist!"));
 875                 break;
 876         case CMD_CLEAR:
 877                 if (mpdclient_cmd_clear(c) == 0)
 878                         screen_status_message(_("Cleared playlist!"));
 879                 break;
 880         case CMD_REPEAT:
 881                 mpdclient_cmd_repeat(c, !c->status->repeat);
 882                 break;
 883         case CMD_RANDOM:
 884                 mpdclient_cmd_random(c, !c->status->random);
 885                 break;
 886         case CMD_CROSSFADE:
 887                 if (c->status->crossfade)
 888                         mpdclient_cmd_crossfade(c, 0);
 889                 else
 890                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 891                 break;
 892         case CMD_DB_UPDATE:
 893                 if (!c->status->updatingDb) {
 894                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 895                                 screen_status_printf(_("Database update started!"));
 896                 } else
 897                         screen_status_printf(_("Database update running..."));
 898                 break;
 899         case CMD_VOLUME_UP:
 900                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 901                         mpdclient_cmd_volume(c, ++c->status->volume);
 902                 break;
 903         case CMD_VOLUME_DOWN:
 904                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 905                         mpdclient_cmd_volume(c, --c->status->volume);
 906                 break;
 907         case CMD_TOGGLE_FIND_WRAP:
 908                 options.find_wrap = !options.find_wrap;
 909                 screen_status_printf(options.find_wrap ?
 910                                      _("Find mode: Wrapped") :
 911                                      _("Find mode: Normal"));
 912                 break;
 913         case CMD_TOGGLE_AUTOCENTER:
 914                 options.auto_center = !options.auto_center;
 915                 screen_status_printf(options.auto_center ?
 916                                      _("Auto center mode: On") :
 917                                      _("Auto center mode: Off"));
 918                 break;
 919         case CMD_SCREEN_UPDATE:
 920                 screen->painted = 0;
 921                 break;
 922         case CMD_SCREEN_PREVIOUS:
 923                 screen_next_mode(c, -1);
 924                 break;
 925         case CMD_SCREEN_NEXT:
 926                 screen_next_mode(c, 1);
 927                 break;
 928         case CMD_SCREEN_PLAY:
 929                 switch_screen_mode(SCREEN_PLAYLIST_ID, c);
 930                 break;
 931         case CMD_SCREEN_FILE:
 932                 switch_screen_mode(SCREEN_BROWSE_ID, c);
 933                 break;
 934         case CMD_SCREEN_HELP:
 935                 switch_screen_mode(SCREEN_HELP_ID, c);
 936                 break;
 937         case CMD_SCREEN_SEARCH:
 938                 switch_screen_mode(SCREEN_SEARCH_ID, c);
 939                 break;
 940         case CMD_SCREEN_ARTIST:
 941                 switch_screen_mode(SCREEN_ARTIST_ID, c);
 942                 break;
 943         case CMD_SCREEN_KEYDEF:
 944                 switch_screen_mode(SCREEN_KEYDEF_ID, c);
 945                 break;
 946         case CMD_SCREEN_CLOCK:
 947                 switch_screen_mode(SCREEN_CLOCK_ID, c);
 948                 break;
 949         case CMD_SCREEN_LYRICS:
 950                 switch_screen_mode(SCREEN_LYRICS_ID, c);
 951                 break;
 952         case CMD_QUIT:
 953                 exit(EXIT_SUCCESS);
 954         default:
 955                 break;
 956         }
 957 }