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 struct screen screen;
 101 static const struct screen_functions *mode_fn = &screen_playlist;
 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->close != NULL)
 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->open != NULL)
 160                 mode_fn->open(&screen, c);
 161 }
 162
 163 static int
 164 find_configured_screen(const char *name)
 165 {
 166         unsigned i;
 167
 168         for (i = 0; options.screen_list[i] != NULL; ++i)
 169                 if (strcmp(options.screen_list[i], name) == 0)
 170                         return i;
 171
 172         return -1;
 173 }
 174
 175 static void
 176 screen_next_mode(mpdclient_t *c, int offset)
 177 {
 178         int max = g_strv_length(options.screen_list);
 179         int current, next;
 180
 181         /* find current screen */
 182         current = find_configured_screen(screens[screen.mode].name);
 183         next = current + offset;
 184         if (next<0)
 185                 next = max-1;
 186         else if (next>=max)
 187                 next = 0;
 188
 189         D("current mode: %d:%d    next:%d\n", current, max, next);
 190         switch_screen_mode(screen_get_id(options.screen_list[next]), c);
 191 }
 192
 193 static void
 194 paint_top_window2(const char *header, mpdclient_t *c)
 195 {
 196         char flags[5];
 197         WINDOW *w = screen.top_window.w;
 198         char buf[32];
 199
 200         if (header[0]) {
 201                 colors_use(w, COLOR_TITLE_BOLD);
 202                 mvwaddstr(w, 0, 0, header);
 203         } else {
 204                 colors_use(w, COLOR_TITLE_BOLD);
 205                 waddstr(w, get_key_names(CMD_SCREEN_HELP, FALSE));
 206                 colors_use(w, COLOR_TITLE);
 207                 waddstr(w, _(":Help  "));
 208                 colors_use(w, COLOR_TITLE_BOLD);
 209                 waddstr(w, get_key_names(CMD_SCREEN_PLAY, FALSE));
 210                 colors_use(w, COLOR_TITLE);
 211                 waddstr(w, _(":Playlist  "));
 212                 colors_use(w, COLOR_TITLE_BOLD);
 213                 waddstr(w, get_key_names(CMD_SCREEN_FILE, FALSE));
 214                 colors_use(w, COLOR_TITLE);
 215                 waddstr(w, _(":Browse  "));
 216 #ifdef ENABLE_ARTIST_SCREEN
 217                 colors_use(w, COLOR_TITLE_BOLD);
 218                 waddstr(w, get_key_names(CMD_SCREEN_ARTIST, FALSE));
 219                 colors_use(w, COLOR_TITLE);
 220                 waddstr(w, _(":Artist  "));
 221 #endif
 222 #ifdef ENABLE_SEARCH_SCREEN
 223                 colors_use(w, COLOR_TITLE_BOLD);
 224                 waddstr(w, get_key_names(CMD_SCREEN_SEARCH, FALSE));
 225                 colors_use(w, COLOR_TITLE);
 226                 waddstr(w, _(":Search  "));
 227 #endif
 228 #ifdef ENABLE_LYRICS_SCREEN
 229                 colors_use(w, COLOR_TITLE_BOLD);
 230                 waddstr(w, get_key_names(CMD_SCREEN_LYRICS, FALSE));
 231                 colors_use(w, COLOR_TITLE);
 232                 waddstr(w, _(":Lyrics  "));
 233 #endif
 234         }
 235         if (c->status->volume==MPD_STATUS_NO_VOLUME) {
 236                 g_snprintf(buf, 32, _("Volume n/a "));
 237         } else {
 238                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 239         }
 240         colors_use(w, COLOR_TITLE);
 241         mvwaddstr(w, 0, screen.top_window.cols-my_strlen(buf), buf);
 242
 243         flags[0] = 0;
 244         if( c->status->repeat )
 245                 g_strlcat(flags, "r", sizeof(flags));
 246         if( c->status->random )
 247                 g_strlcat(flags, "z", sizeof(flags));;
 248         if( c->status->crossfade )
 249                 g_strlcat(flags, "x", sizeof(flags));
 250         if( c->status->updatingDb )
 251                 g_strlcat(flags, "U", sizeof(flags));
 252         colors_use(w, COLOR_LINE);
 253         mvwhline(w, 1, 0, ACS_HLINE, screen.top_window.cols);
 254         if (flags[0]) {
 255                 wmove(w,1,screen.top_window.cols-strlen(flags)-3);
 256                 waddch(w, '[');
 257                 colors_use(w, COLOR_LINE_BOLD);
 258                 waddstr(w, flags);
 259                 colors_use(w, COLOR_LINE);
 260                 waddch(w, ']');
 261         }
 262         wnoutrefresh(w);
 263 }
 264
 265 static void
 266 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 267 {
 268         static int prev_volume = -1;
 269         static size_t prev_header_len = -1;
 270         WINDOW *w = screen.top_window.w;
 271
 272         if (prev_header_len!=my_strlen(header)) {
 273                 prev_header_len = my_strlen(header);
 274                 full_repaint = 1;
 275         }
 276
 277         if (full_repaint) {
 278                 wmove(w, 0, 0);
 279                 wclrtoeol(w);
 280         }
 281
 282         if (prev_volume!=c->status->volume || full_repaint)
 283                 paint_top_window2(header, c);
 284 }
 285
 286 static void
 287 paint_progress_window(mpdclient_t *c)
 288 {
 289         double p;
 290         int width;
 291         int elapsedTime = c->status->elapsedTime;
 292
 293         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 294                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 295                          screen.progress_window.cols);
 296                 wnoutrefresh(screen.progress_window.w);
 297                 return;
 298         }
 299
 300         if (c->song && seek_id == c->song->id)
 301                 elapsedTime = seek_target_time;
 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         const char *str = NULL;
 323         int x = 0;
 324
 325         if( time(NULL) - screen.status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 326                 return;
 327
 328         wmove(w, 0, 0);
 329         wclrtoeol(w);
 330         colors_use(w, COLOR_STATUS_BOLD);
 331
 332         switch(status->state) {
 333         case MPD_STATUS_STATE_PLAY:
 334                 str = _("Playing:");
 335                 break;
 336         case MPD_STATUS_STATE_PAUSE:
 337                 str = _("[Paused]");
 338                 break;
 339         case MPD_STATUS_STATE_STOP:
 340         default:
 341                 break;
 342         }
 343
 344         if (str) {
 345                 waddstr(w, str);
 346                 x += my_strlen(str)+1;
 347         }
 348
 349         /* create time string */
 350         memset(screen.buf, 0, screen.buf_size);
 351         if (IS_PLAYING(status->state) || IS_PAUSED(status->state)) {
 352                 if (status->totalTime > 0) {
 353                         /*checks the conf to see whether to display elapsed or remaining time */
 354                         if(!strcmp(options.timedisplay_type,"elapsed"))
 355                                 elapsedTime = c->status->elapsedTime;
 356                         else if(!strcmp(options.timedisplay_type,"remaining"))
 357                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 358
 359                         if( c->song && seek_id == c->song->id )
 360                                 elapsedTime = seek_target_time;
 361                         /*write out the time, using hours if time over 60 minutes*/
 362                         if (c->status->totalTime > 3600) {
 363                                 g_snprintf(screen.buf, screen.buf_size,
 364                                            " [%i:%02i:%02i/%i:%02i:%02i]",
 365                                            elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 366                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 367                         } else {
 368                                 g_snprintf(screen.buf, screen.buf_size,
 369                                            " [%i:%02i/%i:%02i]",
 370                                            elapsedTime/60, elapsedTime%60,
 371                                            status->totalTime/60,   status->totalTime%60 );
 372                         }
 373                 } else {
 374                         g_snprintf(screen.buf, screen.buf_size,
 375                                    " [%d kbps]", status->bitRate );
 376                 }
 377         } else {
 378                 time_t timep;
 379
 380                 time(&timep);
 381                 strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 382         }
 383
 384         /* display song */
 385         if (IS_PLAYING(status->state) || IS_PAUSED(status->state)) {
 386                 char songname[MAX_SONGNAME_LENGTH];
 387                 int width = COLS-x-my_strlen(screen.buf);
 388
 389                 if (song)
 390                         strfsong(songname, MAX_SONGNAME_LENGTH, STATUS_FORMAT, song);
 391                 else
 392                         songname[0] = '\0';
 393
 394                 colors_use(w, COLOR_STATUS);
 395                 /* scroll if the song name is to long */
 396                 if (options.scroll && my_strlen(songname) > (size_t)width) {
 397                         static  scroll_state_t st = { 0, 0 };
 398                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 399
 400                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 401                         g_free(tmp);
 402                 }
 403                 //mvwaddnstr(w, 0, x, songname, width);
 404                 mvwaddstr(w, 0, x, songname);
 405         }
 406
 407         /* display time string */
 408         if (screen.buf[0]) {
 409                 x = screen.status_window.cols - strlen(screen.buf);
 410                 colors_use(w, COLOR_STATUS_TIME);
 411                 mvwaddstr(w, 0, x, screen.buf);
 412         }
 413
 414         wnoutrefresh(w);
 415 }
 416
 417 int
 418 screen_exit(void)
 419 {
 420         gint i;
 421
 422         endwin();
 423
 424         /* close and exit all screens (playlist,browse,help...) */
 425         i=0;
 426         while (screens[i].functions) {
 427                 const struct screen_functions *sf = screens[i].functions;
 428
 429                 if (sf->close)
 430                         sf->close();
 431                 if (sf->exit)
 432                         sf->exit();
 433
 434                 i++;
 435         }
 436
 437         string_list_free(screen.find_history);
 438         g_free(screen.buf);
 439         g_free(screen.findbuf);
 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.mode = 0;
 563         screen.cols = COLS;
 564         screen.rows = LINES;
 565
 566         screen.buf  = g_malloc(screen.cols);
 567         screen.buf_size = screen.cols;
 568         screen.findbuf = NULL;
 569         screen.painted = 0;
 570         screen.start_timestamp = time(NULL);
 571         screen.input_timestamp = time(NULL);
 572         screen.last_cmd = CMD_NONE;
 573
 574         /* create top window */
 575         screen.top_window.rows = 2;
 576         screen.top_window.cols = screen.cols;
 577         screen.top_window.w = newwin(screen.top_window.rows,
 578                                       screen.top_window.cols,
 579                                       0, 0);
 580         leaveok(screen.top_window.w, TRUE);
 581         keypad(screen.top_window.w, TRUE);
 582
 583         /* create main window */
 584         screen.main_window.rows = screen.rows-4;
 585         screen.main_window.cols = screen.cols;
 586         screen.main_window.w = newwin(screen.main_window.rows,
 587                                        screen.main_window.cols,
 588                                        2,
 589                                        0);
 590
 591         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 592         keypad(screen.main_window.w, TRUE);
 593
 594         /* create progress window */
 595         screen.progress_window.rows = 1;
 596         screen.progress_window.cols = screen.cols;
 597         screen.progress_window.w = newwin(screen.progress_window.rows,
 598                                            screen.progress_window.cols,
 599                                            screen.rows-2,
 600                                            0);
 601         leaveok(screen.progress_window.w, TRUE);
 602
 603         /* create status window */
 604         screen.status_window.rows = 1;
 605         screen.status_window.cols = screen.cols;
 606         screen.status_window.w = newwin(screen.status_window.rows,
 607                                          screen.status_window.cols,
 608                                          screen.rows-1,
 609                                          0);
 610
 611         leaveok(screen.status_window.w, FALSE);
 612         keypad(screen.status_window.w, TRUE);
 613
 614         if( options.enable_colors )
 615                 {
 616                         /* set background attributes */
 617                         wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 618                         wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 619                         wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 620                         wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 621                         wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 622                         colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 623                 }
 624
 625         refresh();
 626 }
 627
 628 int
 629 screen_init(mpdclient_t *c)
 630 {
 631         gint i;
 632
 633         /* initialize screens */
 634         i=0;
 635         while (screens[i].functions) {
 636                 const struct screen_functions *fn = screens[i].functions;
 637
 638                 if (fn->init)
 639                         fn->init(screen.main_window.w,
 640                                  screen.main_window.cols,
 641                                  screen.main_window.rows);
 642
 643                 i++;
 644         }
 645
 646         if (mode_fn->open != NULL)
 647                 mode_fn->open(&screen, c);
 648
 649         /* initialize wreadln */
 650         wrln_wgetch = my_wgetch;
 651         wrln_max_history_length = 16;
 652
 653         return 0;
 654 }
 655
 656 void
 657 screen_paint(mpdclient_t *c)
 658 {
 659         const char *title = NULL;
 660
 661         if (mode_fn->get_title != NULL)
 662                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 663
 664         D("screen_paint(%s)\n", title);
 665         /* paint the title/header window */
 666         if( title )
 667                 paint_top_window(title, c, 1);
 668         else
 669                 paint_top_window("", c, 1);
 670
 671         /* paint the main window */
 672         wclear(screen.main_window.w);
 673         if (mode_fn->paint != NULL)
 674                 mode_fn->paint(&screen, c);
 675
 676         paint_progress_window(c);
 677         paint_status_window(c);
 678         screen.painted = 1;
 679         wmove(screen.main_window.w, 0, 0);
 680         wnoutrefresh(screen.main_window.w);
 681
 682         /* tell curses to update */
 683         doupdate();
 684 }
 685
 686 void
 687 screen_update(mpdclient_t *c)
 688 {
 689         static int repeat = -1;
 690         static int random_enabled = -1;
 691         static int crossfade = -1;
 692         static int dbupdate = -1;
 693
 694         if( !screen.painted )
 695                 return screen_paint(c);
 696
 697         /* print a message if mpd status has changed */
 698         if (repeat < 0) {
 699                 repeat = c->status->repeat;
 700                 random_enabled = c->status->random;
 701                 crossfade = c->status->crossfade;
 702                 dbupdate = c->status->updatingDb;
 703         }
 704
 705         if (repeat != c->status->repeat)
 706                 screen_status_printf(c->status->repeat ?
 707                                      _("Repeat is on") :
 708                                      _("Repeat is off"));
 709
 710         if (random_enabled != c->status->random)
 711                 screen_status_printf(c->status->random ?
 712                                      _("Random is on") :
 713                                      _("Random is off"));
 714
 715         if (crossfade != c->status->crossfade)
 716                 screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 717
 718         if (dbupdate && dbupdate != c->status->updatingDb) {
 719                 screen_status_printf(_("Database updated!"));
 720                 mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 721         }
 722
 723         repeat = c->status->repeat;
 724         random_enabled = c->status->random;
 725         crossfade = c->status->crossfade;
 726         dbupdate = c->status->updatingDb;
 727
 728         /* update title/header window */
 729         if (welcome && screen.last_cmd==CMD_NONE &&
 730             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 731                 paint_top_window("", c, 0);
 732         else if (mode_fn->get_title != NULL) {
 733                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 734                 welcome = FALSE;
 735         } else
 736                 paint_top_window("", c, 0);
 737
 738         /* update the main window */
 739         if (mode_fn->update != NULL)
 740                 mode_fn->update(&screen, c);
 741
 742         /* update progress window */
 743         paint_progress_window(c);
 744
 745         /* update status window */
 746         paint_status_window(c);
 747
 748         /* move the cursor to the origin */
 749         wmove(screen.main_window.w, 0, 0);
 750         wnoutrefresh(screen.main_window.w);
 751
 752         /* tell curses to update */
 753         doupdate();
 754 }
 755
 756 void
 757 screen_idle(mpdclient_t *c)
 758 {
 759         if (c->song && seek_id == c->song->id &&
 760             (screen.last_cmd == CMD_SEEK_FORWARD ||
 761              screen.last_cmd == CMD_SEEK_BACKWARD))
 762                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 763
 764         screen.last_cmd = CMD_NONE;
 765         seek_id = -1;
 766 }
 767
 768 #ifdef HAVE_GETMOUSE
 769 int
 770 screen_get_mouse_event(mpdclient_t *c,
 771                        list_window_t *lw, int lw_length,
 772                        unsigned long *bstate, int *row)
 773 {
 774         MEVENT event;
 775
 776         /* retreive the mouse event from ncurses */
 777         getmouse(&event);
 778         D("mouse: id=%d  y=%d,x=%d,z=%d\n",event.id,event.y,event.x,event.z);
 779         /* calculate the selected row in the list window */
 780         *row = event.y - screen.top_window.rows;
 781         /* copy button state bits */
 782         *bstate = event.bstate;
 783         /* if button 2 was pressed switch screen */
 784         if (event.bstate & BUTTON2_CLICKED) {
 785                 screen_cmd(c, CMD_SCREEN_NEXT);
 786                 return 1;
 787         }
 788
 789         /* if the even occured above the list window move up */
 790         if (*row < 0 && lw) {
 791                 if (event.bstate & BUTTON3_CLICKED)
 792                         list_window_first(lw);
 793                 else
 794                         list_window_previous_page(lw);
 795                 return 1;
 796         }
 797
 798         /* if the even occured below the list window move down */
 799         if ((unsigned)*row >= lw->rows && lw) {
 800                 if (event.bstate & BUTTON3_CLICKED)
 801                         list_window_last(lw, lw_length);
 802                 else
 803                         list_window_next_page(lw, lw_length);
 804                 return 1;
 805         }
 806
 807         return 0;
 808 }
 809 #endif
 810
 811 void
 812 screen_cmd(mpdclient_t *c, command_t cmd)
 813 {
 814         screen.input_timestamp = time(NULL);
 815         screen.last_cmd = cmd;
 816         welcome = FALSE;
 817
 818         if (mode_fn->cmd != NULL && mode_fn->cmd(&screen, c, cmd))
 819                 return;
 820
 821         switch(cmd) {
 822         case CMD_PLAY:
 823                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 824                 break;
 825         case CMD_PAUSE:
 826                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 827                 break;
 828         case CMD_STOP:
 829                 mpdclient_cmd_stop(c);
 830                 break;
 831         case CMD_SEEK_FORWARD:
 832                 if (!IS_STOPPED(c->status->state)) {
 833                         if (c->song && seek_id != c->song->id) {
 834                                 seek_id = c->song->id;
 835                                 seek_target_time = c->status->elapsedTime;
 836                         }
 837                         seek_target_time+=options.seek_time;
 838                         if (seek_target_time < c->status->totalTime)
 839                                 break;
 840                         seek_target_time = c->status->totalTime;
 841                         /* seek_target_time=0; */
 842                 }
 843                 break;
 844                 /* fall through... */
 845         case CMD_TRACK_NEXT:
 846                 if (!IS_STOPPED(c->status->state))
 847                         mpdclient_cmd_next(c);
 848                 break;
 849         case CMD_SEEK_BACKWARD:
 850                 if (!IS_STOPPED(c->status->state)) {
 851                         if (seek_id != c->song->id) {
 852                                 seek_id = c->song->id;
 853                                 seek_target_time = c->status->elapsedTime;
 854                         }
 855                         seek_target_time-=options.seek_time;
 856                         if (seek_target_time < 0)
 857                                 seek_target_time=0;
 858                 }
 859                 break;
 860         case CMD_TRACK_PREVIOUS:
 861                 if (!IS_STOPPED(c->status->state))
 862                         mpdclient_cmd_prev(c);
 863                 break;
 864         case CMD_SHUFFLE:
 865                 if (mpdclient_cmd_shuffle(c) == 0)
 866                         screen_status_message(_("Shuffled playlist!"));
 867                 break;
 868         case CMD_CLEAR:
 869                 if (mpdclient_cmd_clear(c) == 0)
 870                         screen_status_message(_("Cleared playlist!"));
 871                 break;
 872         case CMD_REPEAT:
 873                 mpdclient_cmd_repeat(c, !c->status->repeat);
 874                 break;
 875         case CMD_RANDOM:
 876                 mpdclient_cmd_random(c, !c->status->random);
 877                 break;
 878         case CMD_CROSSFADE:
 879                 if (c->status->crossfade)
 880                         mpdclient_cmd_crossfade(c, 0);
 881                 else
 882                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 883                 break;
 884         case CMD_DB_UPDATE:
 885                 if (!c->status->updatingDb) {
 886                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 887                                 screen_status_printf(_("Database update started!"));
 888                 } else
 889                         screen_status_printf(_("Database update running..."));
 890                 break;
 891         case CMD_VOLUME_UP:
 892                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 893                         mpdclient_cmd_volume(c, ++c->status->volume);
 894                 break;
 895         case CMD_VOLUME_DOWN:
 896                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 897                         mpdclient_cmd_volume(c, --c->status->volume);
 898                 break;
 899         case CMD_TOGGLE_FIND_WRAP:
 900                 options.find_wrap = !options.find_wrap;
 901                 screen_status_printf(options.find_wrap ?
 902                                      _("Find mode: Wrapped") :
 903                                      _("Find mode: Normal"));
 904                 break;
 905         case CMD_TOGGLE_AUTOCENTER:
 906                 options.auto_center = !options.auto_center;
 907                 screen_status_printf(options.auto_center ?
 908                                      _("Auto center mode: On") :
 909                                      _("Auto center mode: Off"));
 910                 break;
 911         case CMD_SCREEN_UPDATE:
 912                 screen.painted = 0;
 913                 break;
 914         case CMD_SCREEN_PREVIOUS:
 915                 screen_next_mode(c, -1);
 916                 break;
 917         case CMD_SCREEN_NEXT:
 918                 screen_next_mode(c, 1);
 919                 break;
 920         case CMD_SCREEN_PLAY:
 921                 switch_screen_mode(SCREEN_PLAYLIST_ID, c);
 922                 break;
 923         case CMD_SCREEN_FILE:
 924                 switch_screen_mode(SCREEN_BROWSE_ID, c);
 925                 break;
 926         case CMD_SCREEN_HELP:
 927                 switch_screen_mode(SCREEN_HELP_ID, c);
 928                 break;
 929         case CMD_SCREEN_SEARCH:
 930                 switch_screen_mode(SCREEN_SEARCH_ID, c);
 931                 break;
 932         case CMD_SCREEN_ARTIST:
 933                 switch_screen_mode(SCREEN_ARTIST_ID, c);
 934                 break;
 935         case CMD_SCREEN_KEYDEF:
 936                 switch_screen_mode(SCREEN_KEYDEF_ID, c);
 937                 break;
 938         case CMD_SCREEN_CLOCK:
 939                 switch_screen_mode(SCREEN_CLOCK_ID, c);
 940                 break;
 941         case CMD_SCREEN_LYRICS:
 942                 switch_screen_mode(SCREEN_LYRICS_ID, c);
 943                 break;
 944         case CMD_QUIT:
 945                 exit(EXIT_SUCCESS);
 946         default:
 947                 break;
 948         }
 949 }