src/screen.c

   1 /*
   2  * $Id$
   3  *
   4  * (c) 2004 by Kalle Wallin <kaw@linux.se>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  */
  20
  21 #include "screen.h"
  22 #include "screen_utils.h"
  23 #include "config.h"
  24 #include "ncmpc.h"
  25 #include "support.h"
  26 #include "mpdclient.h"
  27 #include "utils.h"
  28 #include "command.h"
  29 #include "options.h"
  30 #include "colors.h"
  31 #include "strfsong.h"
  32 #include "wreadln.h"
  33
  34 #include <stdlib.h>
  35 #include <unistd.h>
  36 #include <stdarg.h>
  37 #include <string.h>
  38 #include <time.h>
  39 #include <locale.h>
  40
  41 #define SCREEN_PLAYLIST_ID     0
  42 #define SCREEN_BROWSE_ID       1
  43 #define SCREEN_ARTIST_ID       2
  44 #define SCREEN_HELP_ID         100
  45 #define SCREEN_KEYDEF_ID       101
  46 #define SCREEN_SEARCH_ID       103
  47 #define SCREEN_LYRICS_ID           104
  48
  49
  50
  51 /* screens */
  52 extern const struct screen_functions screen_playlist;
  53 extern const struct screen_functions screen_browse;
  54 #ifdef ENABLE_ARTIST_SCREEN
  55 extern const struct screen_functions screen_artist;
  56 #endif
  57 extern const struct screen_functions screen_help;
  58 #ifdef ENABLE_SEARCH_SCREEN
  59 extern const struct screen_functions screen_search;
  60 #endif
  61 #ifdef ENABLE_KEYDEF_SCREEN
  62 extern const struct screen_functions screen_keydef;
  63 #endif
  64 extern const struct screen_functions screen_lyrics;
  65
  66 typedef struct screen_functions * (*screen_get_mode_functions_fn_t) (void);
  67
  68 static const struct
  69 {
  70         gint id;
  71         const gchar *name;
  72         const struct screen_functions *functions;
  73 } screens[] = {
  74         { SCREEN_PLAYLIST_ID, "playlist", &screen_playlist },
  75         { SCREEN_BROWSE_ID, "browse", &screen_browse },
  76 #ifdef ENABLE_ARTIST_SCREEN
  77         { SCREEN_ARTIST_ID, "artist", &screen_artist },
  78 #endif
  79         { SCREEN_HELP_ID, "help", &screen_help },
  80 #ifdef ENABLE_SEARCH_SCREEN
  81         { SCREEN_SEARCH_ID, "search", &screen_search },
  82 #endif
  83 #ifdef ENABLE_KEYDEF_SCREEN
  84         { SCREEN_KEYDEF_ID, "keydef", &screen_keydef },
  85 #endif
  86 #ifdef ENABLE_LYRICS_SCREEN
  87         { SCREEN_LYRICS_ID, "lyrics", &screen_lyrics },
  88 #endif
  89 };
  90
  91 #define NUM_SCREENS (sizeof(screens) / sizeof(screens[0]))
  92
  93 static gboolean welcome = TRUE;
  94 static struct screen screen;
  95 static const struct screen_functions *mode_fn = &screen_playlist;
  96 static int seek_id = -1;
  97 static int seek_target_time = 0;
  98
  99 gint
 100 screen_get_id(const char *name)
 101 {
 102         guint i;
 103
 104         for (i = 0; i < NUM_SCREENS; ++i)
 105                 if (strcmp(name, screens[i].name) == 0)
 106                         return screens[i].id;
 107
 108         return -1;
 109 }
 110
 111 static gint
 112 lookup_mode(gint id)
 113 {
 114         guint i;
 115
 116         for (i = 0; i < NUM_SCREENS; ++i)
 117                 if (screens[i].id == id)
 118                         return 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         new_mode = lookup_mode(id);
 137         if (new_mode < 0)
 138                 return;
 139
 140         /* close the old mode */
 141         if (mode_fn->close != NULL)
 142                 mode_fn->close();
 143
 144         /* get functions for the new mode */
 145         D("switch_screen(%s)\n", screens[new_mode].name );
 146         mode_fn = screens[new_mode].functions;
 147         screen.mode = new_mode;
 148         screen.painted = 0;
 149
 150         /* open the new mode */
 151         if (mode_fn->open != NULL)
 152                 mode_fn->open(&screen, c);
 153 }
 154
 155 static int
 156 find_configured_screen(const char *name)
 157 {
 158         unsigned i;
 159
 160         for (i = 0; options.screen_list[i] != NULL; ++i)
 161                 if (strcmp(options.screen_list[i], name) == 0)
 162                         return i;
 163
 164         return -1;
 165 }
 166
 167 static void
 168 screen_next_mode(mpdclient_t *c, int offset)
 169 {
 170         int max = g_strv_length(options.screen_list);
 171         int current, next;
 172
 173         /* find current screen */
 174         current = find_configured_screen(screens[screen.mode].name);
 175         next = current + offset;
 176         if (next<0)
 177                 next = max-1;
 178         else if (next>=max)
 179                 next = 0;
 180
 181         D("current mode: %d:%d    next:%d\n", current, max, next);
 182         switch_screen_mode(screen_get_id(options.screen_list[next]), c);
 183 }
 184
 185 static void
 186 paint_top_window2(const char *header, mpdclient_t *c)
 187 {
 188         char flags[5];
 189         WINDOW *w = screen.top_window.w;
 190         char buf[32];
 191
 192         if (header[0]) {
 193                 colors_use(w, COLOR_TITLE_BOLD);
 194                 mvwaddstr(w, 0, 0, header);
 195         } else {
 196                 colors_use(w, COLOR_TITLE_BOLD);
 197                 waddstr(w, get_key_names(CMD_SCREEN_HELP, FALSE));
 198                 colors_use(w, COLOR_TITLE);
 199                 waddstr(w, _(":Help  "));
 200                 colors_use(w, COLOR_TITLE_BOLD);
 201                 waddstr(w, get_key_names(CMD_SCREEN_PLAY, FALSE));
 202                 colors_use(w, COLOR_TITLE);
 203                 waddstr(w, _(":Playlist  "));
 204                 colors_use(w, COLOR_TITLE_BOLD);
 205                 waddstr(w, get_key_names(CMD_SCREEN_FILE, FALSE));
 206                 colors_use(w, COLOR_TITLE);
 207                 waddstr(w, _(":Browse  "));
 208 #ifdef ENABLE_ARTIST_SCREEN
 209                 colors_use(w, COLOR_TITLE_BOLD);
 210                 waddstr(w, get_key_names(CMD_SCREEN_ARTIST, FALSE));
 211                 colors_use(w, COLOR_TITLE);
 212                 waddstr(w, _(":Artist  "));
 213 #endif
 214 #ifdef ENABLE_SEARCH_SCREEN
 215                 colors_use(w, COLOR_TITLE_BOLD);
 216                 waddstr(w, get_key_names(CMD_SCREEN_SEARCH, FALSE));
 217                 colors_use(w, COLOR_TITLE);
 218                 waddstr(w, _(":Search  "));
 219 #endif
 220 #ifdef ENABLE_LYRICS_SCREEN
 221                 colors_use(w, COLOR_TITLE_BOLD);
 222                 waddstr(w, get_key_names(CMD_SCREEN_LYRICS, FALSE));
 223                 colors_use(w, COLOR_TITLE);
 224                 waddstr(w, _(":Lyrics  "));
 225 #endif
 226         }
 227         if (c->status == NULL || c->status->volume == MPD_STATUS_NO_VOLUME) {
 228                 g_snprintf(buf, 32, _("Volume n/a "));
 229         } else {
 230                 g_snprintf(buf, 32, _(" Volume %d%%"), c->status->volume);
 231         }
 232         colors_use(w, COLOR_TITLE);
 233         mvwaddstr(w, 0, screen.top_window.cols-my_strlen(buf), buf);
 234
 235         flags[0] = 0;
 236         if (c->status != NULL) {
 237                 if (c->status->repeat)
 238                         g_strlcat(flags, "r", sizeof(flags));
 239                 if (c->status->random)
 240                         g_strlcat(flags, "z", sizeof(flags));;
 241                 if (c->status->crossfade)
 242                         g_strlcat(flags, "x", sizeof(flags));
 243                 if (c->status->updatingDb)
 244                         g_strlcat(flags, "U", sizeof(flags));
 245         }
 246
 247         colors_use(w, COLOR_LINE);
 248         mvwhline(w, 1, 0, ACS_HLINE, screen.top_window.cols);
 249         if (flags[0]) {
 250                 wmove(w,1,screen.top_window.cols-strlen(flags)-3);
 251                 waddch(w, '[');
 252                 colors_use(w, COLOR_LINE_BOLD);
 253                 waddstr(w, flags);
 254                 colors_use(w, COLOR_LINE);
 255                 waddch(w, ']');
 256         }
 257         wnoutrefresh(w);
 258 }
 259
 260 static void
 261 paint_top_window(const char *header, mpdclient_t *c, int full_repaint)
 262 {
 263         static int prev_volume = -1;
 264         static size_t prev_header_len = -1;
 265         WINDOW *w = screen.top_window.w;
 266
 267         if (prev_header_len!=my_strlen(header)) {
 268                 prev_header_len = my_strlen(header);
 269                 full_repaint = 1;
 270         }
 271
 272         if (full_repaint) {
 273                 wmove(w, 0, 0);
 274                 wclrtoeol(w);
 275         }
 276
 277         if ((c->status != NULL && prev_volume != c->status->volume) ||
 278             full_repaint)
 279                 paint_top_window2(header, c);
 280 }
 281
 282 static void
 283 paint_progress_window(mpdclient_t *c)
 284 {
 285         double p;
 286         int width;
 287         int elapsedTime;
 288
 289         if (c->status==NULL || IS_STOPPED(c->status->state)) {
 290                 mvwhline(screen.progress_window.w, 0, 0, ACS_HLINE,
 291                          screen.progress_window.cols);
 292                 wnoutrefresh(screen.progress_window.w);
 293                 return;
 294         }
 295
 296         if (c->song && seek_id == c->song->id)
 297                 elapsedTime = seek_target_time;
 298         else
 299                 elapsedTime = c->status->elapsedTime;
 300
 301         p = ((double) elapsedTime) / ((double) c->status->totalTime);
 302
 303         width = (int) (p * (double) screen.progress_window.cols);
 304         mvwhline(screen.progress_window.w,
 305                  0, 0,
 306                  ACS_HLINE,
 307                  screen.progress_window.cols);
 308         whline(screen.progress_window.w, '=', width-1);
 309         mvwaddch(screen.progress_window.w, 0, width-1, 'O');
 310         wnoutrefresh(screen.progress_window.w);
 311 }
 312
 313 static void
 314 paint_status_window(mpdclient_t *c)
 315 {
 316         WINDOW *w = screen.status_window.w;
 317         mpd_Status *status = c->status;
 318         mpd_Song *song = c->song;
 319         int elapsedTime = 0;
 320         const char *str = NULL;
 321         int x = 0;
 322
 323         if( time(NULL) - screen.status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 324                 return;
 325
 326         wmove(w, 0, 0);
 327         wclrtoeol(w);
 328         colors_use(w, COLOR_STATUS_BOLD);
 329
 330         switch (status == NULL ? MPD_STATUS_STATE_STOP : status->state) {
 331         case MPD_STATUS_STATE_PLAY:
 332                 str = _("Playing:");
 333                 break;
 334         case MPD_STATUS_STATE_PAUSE:
 335                 str = _("[Paused]");
 336                 break;
 337         case MPD_STATUS_STATE_STOP:
 338         default:
 339                 break;
 340         }
 341
 342         if (str) {
 343                 waddstr(w, str);
 344                 x += my_strlen(str)+1;
 345         }
 346
 347         /* create time string */
 348         memset(screen.buf, 0, screen.buf_size);
 349         if (status != NULL && (IS_PLAYING(status->state) ||
 350                                IS_PAUSED(status->state))) {
 351                 if (status->totalTime > 0) {
 352                         /*checks the conf to see whether to display elapsed or remaining time */
 353                         if(!strcmp(options.timedisplay_type,"elapsed"))
 354                                 elapsedTime = c->status->elapsedTime;
 355                         else if(!strcmp(options.timedisplay_type,"remaining"))
 356                                 elapsedTime = (c->status->totalTime - c->status->elapsedTime);
 357
 358                         if( c->song && seek_id == c->song->id )
 359                                 elapsedTime = seek_target_time;
 360                         /*write out the time, using hours if time over 60 minutes*/
 361                         if (c->status->totalTime > 3600) {
 362                                 g_snprintf(screen.buf, screen.buf_size,
 363                                            " [%i:%02i:%02i/%i:%02i:%02i]",
 364                                            elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 365                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 366                         } else {
 367                                 g_snprintf(screen.buf, screen.buf_size,
 368                                            " [%i:%02i/%i:%02i]",
 369                                            elapsedTime/60, elapsedTime%60,
 370                                            status->totalTime/60,   status->totalTime%60 );
 371                         }
 372                 } else {
 373                         g_snprintf(screen.buf, screen.buf_size,
 374                                    " [%d kbps]", status->bitRate );
 375                 }
 376         } else {
 377                 time_t timep;
 378
 379                 time(&timep);
 380                 strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 381         }
 382
 383         /* display song */
 384         if (status != NULL && (IS_PLAYING(status->state) ||
 385                                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 void
 418 screen_exit(void)
 419 {
 420         guint i;
 421
 422         endwin();
 423
 424         if (mode_fn->close != NULL)
 425                 mode_fn->close();
 426
 427         /* close and exit all screens (playlist,browse,help...) */
 428         for (i = 0; i < NUM_SCREENS; ++i) {
 429                 const struct screen_functions *sf = screens[i].functions;
 430
 431                 if (sf->exit)
 432                         sf->exit();
 433         }
 434
 435         string_list_free(screen.find_history);
 436         g_free(screen.buf);
 437         g_free(screen.findbuf);
 438 }
 439
 440 void
 441 screen_resize(void)
 442 {
 443         guint i;
 444
 445         D("Resize rows %d->%d, cols %d->%d\n",screen.rows,LINES,screen.cols,COLS);
 446         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 447                 screen_exit();
 448                 fprintf(stderr, _("Error: Screen to small!\n"));
 449                 exit(EXIT_FAILURE);
 450         }
 451
 452         resizeterm(LINES, COLS);
 453
 454         screen.cols = COLS;
 455         screen.rows = LINES;
 456
 457         /* top window */
 458         screen.top_window.cols = screen.cols;
 459         wresize(screen.top_window.w, 2, screen.cols);
 460
 461         /* main window */
 462         screen.main_window.cols = screen.cols;
 463         screen.main_window.rows = screen.rows-4;
 464         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 465         wclear(screen.main_window.w);
 466
 467         /* progress window */
 468         screen.progress_window.cols = screen.cols;
 469         wresize(screen.progress_window.w, 1, screen.cols);
 470         mvwin(screen.progress_window.w, screen.rows-2, 0);
 471
 472         /* status window */
 473         screen.status_window.cols = screen.cols;
 474         wresize(screen.status_window.w, 1, screen.cols);
 475         mvwin(screen.status_window.w, screen.rows-1, 0);
 476
 477         screen.buf_size = screen.cols;
 478         g_free(screen.buf);
 479         screen.buf = g_malloc(screen.cols);
 480
 481         /* close and exit all screens (playlist,browse,help...) */
 482         for (i = 0; i < NUM_SCREENS; ++i) {
 483                 const struct screen_functions *sf = screens[i].functions;
 484
 485                 if (sf->resize)
 486                         sf->resize(screen.main_window.cols, screen.main_window.rows);
 487         }
 488
 489
 490         /* ? - without this the cursor becomes visible with aterm & Eterm */
 491         curs_set(1);
 492         curs_set(0);
 493
 494         screen.painted = 0;
 495 }
 496
 497 void
 498 screen_status_message(const char *msg)
 499 {
 500         WINDOW *w = screen.status_window.w;
 501
 502         wmove(w, 0, 0);
 503         wclrtoeol(w);
 504         colors_use(w, COLOR_STATUS_ALERT);
 505         waddstr(w, msg);
 506         wnoutrefresh(w);
 507         screen.status_timestamp = time(NULL);
 508 }
 509
 510 void
 511 screen_status_printf(const char *format, ...)
 512 {
 513         char *msg;
 514         va_list ap;
 515
 516         va_start(ap,format);
 517         msg = g_strdup_vprintf(format,ap);
 518         va_end(ap);
 519         screen_status_message(msg);
 520         g_free(msg);
 521 }
 522
 523 void
 524 ncurses_init(void)
 525 {
 526
 527         /* initialize the curses library */
 528         initscr();
 529         /* initialize color support */
 530         colors_start();
 531         /* tell curses not to do NL->CR/NL on output */
 532         nonl();
 533         /*  use raw mode (ignore interrupt,quit,suspend, and flow control ) */
 534 #ifdef ENABLE_RAW_MODE
 535         //  raw();
 536 #endif
 537         /* don't echo input */
 538         noecho();
 539         /* set cursor invisible */
 540         curs_set(0);
 541         /* enable extra keys */
 542         keypad(stdscr, TRUE);
 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                 fprintf(stderr, _("Error: Screen to small!\n"));
 551                 exit(EXIT_FAILURE);
 552         }
 553
 554         screen.mode = 0;
 555         screen.cols = COLS;
 556         screen.rows = LINES;
 557
 558         screen.buf  = g_malloc(screen.cols);
 559         screen.buf_size = screen.cols;
 560         screen.findbuf = NULL;
 561         screen.painted = 0;
 562         screen.start_timestamp = time(NULL);
 563         screen.input_timestamp = time(NULL);
 564         screen.last_cmd = CMD_NONE;
 565
 566         /* create top window */
 567         screen.top_window.rows = 2;
 568         screen.top_window.cols = screen.cols;
 569         screen.top_window.w = newwin(screen.top_window.rows,
 570                                       screen.top_window.cols,
 571                                       0, 0);
 572         leaveok(screen.top_window.w, TRUE);
 573         keypad(screen.top_window.w, TRUE);
 574
 575         /* create main window */
 576         screen.main_window.rows = screen.rows-4;
 577         screen.main_window.cols = screen.cols;
 578         screen.main_window.w = newwin(screen.main_window.rows,
 579                                        screen.main_window.cols,
 580                                        2,
 581                                        0);
 582
 583         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 584         keypad(screen.main_window.w, TRUE);
 585
 586         /* create progress window */
 587         screen.progress_window.rows = 1;
 588         screen.progress_window.cols = screen.cols;
 589         screen.progress_window.w = newwin(screen.progress_window.rows,
 590                                            screen.progress_window.cols,
 591                                            screen.rows-2,
 592                                            0);
 593         leaveok(screen.progress_window.w, TRUE);
 594
 595         /* create status window */
 596         screen.status_window.rows = 1;
 597         screen.status_window.cols = screen.cols;
 598         screen.status_window.w = newwin(screen.status_window.rows,
 599                                          screen.status_window.cols,
 600                                          screen.rows-1,
 601                                          0);
 602
 603         leaveok(screen.status_window.w, FALSE);
 604         keypad(screen.status_window.w, TRUE);
 605
 606         if (options.enable_colors) {
 607                 /* set background attributes */
 608                 wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 609                 wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 610                 wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 611                 wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 612                 wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 613                 colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 614         }
 615
 616         refresh();
 617 }
 618
 619 void
 620 screen_init(mpdclient_t *c)
 621 {
 622         guint i;
 623
 624         /* initialize screens */
 625         for (i = 0; i < NUM_SCREENS; ++i) {
 626                 const struct screen_functions *fn = screens[i].functions;
 627
 628                 if (fn->init)
 629                         fn->init(screen.main_window.w,
 630                                  screen.main_window.cols,
 631                                  screen.main_window.rows);
 632         }
 633
 634         if (mode_fn->open != NULL)
 635                 mode_fn->open(&screen, c);
 636
 637         /* initialize wreadln */
 638         wrln_wgetch = my_wgetch;
 639         wrln_max_history_length = 16;
 640 }
 641
 642 void
 643 screen_paint(mpdclient_t *c)
 644 {
 645         const char *title = NULL;
 646
 647         if (mode_fn->get_title != NULL)
 648                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 649
 650         D("screen_paint(%s)\n", title);
 651         /* paint the title/header window */
 652         if( title )
 653                 paint_top_window(title, c, 1);
 654         else
 655                 paint_top_window("", c, 1);
 656
 657         /* paint the main window */
 658         wclear(screen.main_window.w);
 659         if (mode_fn->paint != NULL)
 660                 mode_fn->paint(&screen, c);
 661
 662         paint_progress_window(c);
 663         paint_status_window(c);
 664         screen.painted = 1;
 665         wmove(screen.main_window.w, 0, 0);
 666         wnoutrefresh(screen.main_window.w);
 667
 668         /* tell curses to update */
 669         doupdate();
 670 }
 671
 672 void
 673 screen_update(mpdclient_t *c)
 674 {
 675         static int repeat = -1;
 676         static int random_enabled = -1;
 677         static int crossfade = -1;
 678         static int dbupdate = -1;
 679
 680         if( !screen.painted )
 681                 return screen_paint(c);
 682
 683         /* print a message if mpd status has changed */
 684         if (c->status != NULL) {
 685                 if (repeat < 0) {
 686                         repeat = c->status->repeat;
 687                         random_enabled = c->status->random;
 688                         crossfade = c->status->crossfade;
 689                         dbupdate = c->status->updatingDb;
 690                 }
 691
 692                 if (repeat != c->status->repeat)
 693                         screen_status_printf(c->status->repeat ?
 694                                              _("Repeat is on") :
 695                                              _("Repeat is off"));
 696
 697                 if (random_enabled != c->status->random)
 698                         screen_status_printf(c->status->random ?
 699                                              _("Random is on") :
 700                                              _("Random is off"));
 701
 702                 if (crossfade != c->status->crossfade)
 703                         screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 704
 705                 if (dbupdate && dbupdate != c->status->updatingDb) {
 706                         screen_status_printf(_("Database updated!"));
 707                         mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 708                 }
 709
 710                 repeat = c->status->repeat;
 711                 random_enabled = c->status->random;
 712                 crossfade = c->status->crossfade;
 713                 dbupdate = c->status->updatingDb;
 714         }
 715
 716         /* update title/header window */
 717         if (welcome && screen.last_cmd==CMD_NONE &&
 718             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 719                 paint_top_window("", c, 0);
 720         else if (mode_fn->get_title != NULL) {
 721                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 722                 welcome = FALSE;
 723         } else
 724                 paint_top_window("", c, 0);
 725
 726         /* update the main window */
 727         if (mode_fn->update != NULL)
 728                 mode_fn->update(&screen, c);
 729
 730         /* update progress window */
 731         paint_progress_window(c);
 732
 733         /* update status window */
 734         paint_status_window(c);
 735
 736         /* move the cursor to the origin */
 737         wmove(screen.main_window.w, 0, 0);
 738         wnoutrefresh(screen.main_window.w);
 739
 740         /* tell curses to update */
 741         doupdate();
 742 }
 743
 744 void
 745 screen_idle(mpdclient_t *c)
 746 {
 747         if (c->song && seek_id == c->song->id &&
 748             (screen.last_cmd == CMD_SEEK_FORWARD ||
 749              screen.last_cmd == CMD_SEEK_BACKWARD))
 750                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 751
 752         screen.last_cmd = CMD_NONE;
 753         seek_id = -1;
 754 }
 755
 756 #ifdef HAVE_GETMOUSE
 757 int
 758 screen_get_mouse_event(mpdclient_t *c,
 759                        list_window_t *lw, int lw_length,
 760                        unsigned long *bstate, int *row)
 761 {
 762         MEVENT event;
 763
 764         /* retreive the mouse event from ncurses */
 765         getmouse(&event);
 766         D("mouse: id=%d  y=%d,x=%d,z=%d\n",event.id,event.y,event.x,event.z);
 767         /* calculate the selected row in the list window */
 768         *row = event.y - screen.top_window.rows;
 769         /* copy button state bits */
 770         *bstate = event.bstate;
 771         /* if button 2 was pressed switch screen */
 772         if (event.bstate & BUTTON2_CLICKED) {
 773                 screen_cmd(c, CMD_SCREEN_NEXT);
 774                 return 1;
 775         }
 776
 777         /* if the even occured above the list window move up */
 778         if (*row < 0 && lw) {
 779                 if (event.bstate & BUTTON3_CLICKED)
 780                         list_window_first(lw);
 781                 else
 782                         list_window_previous_page(lw);
 783                 return 1;
 784         }
 785
 786         /* if the even occured below the list window move down */
 787         if ((unsigned)*row >= lw->rows && lw) {
 788                 if (event.bstate & BUTTON3_CLICKED)
 789                         list_window_last(lw, lw_length);
 790                 else
 791                         list_window_next_page(lw, lw_length);
 792                 return 1;
 793         }
 794
 795         return 0;
 796 }
 797 #endif
 798
 799 static int
 800 screen_client_cmd(mpdclient_t *c, command_t cmd)
 801 {
 802         if (c->connection == NULL || c->status == NULL)
 803                 return 0;
 804
 805         switch(cmd) {
 806                 /*
 807         case CMD_PLAY:
 808                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 809                 break;
 810                 */
 811         case CMD_PAUSE:
 812                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 813                 break;
 814         case CMD_STOP:
 815                 mpdclient_cmd_stop(c);
 816                 break;
 817         case CMD_SEEK_FORWARD:
 818                 if (!IS_STOPPED(c->status->state)) {
 819                         if (c->song && seek_id != c->song->id) {
 820                                 seek_id = c->song->id;
 821                                 seek_target_time = c->status->elapsedTime;
 822                         }
 823                         seek_target_time+=options.seek_time;
 824                         if (seek_target_time < c->status->totalTime)
 825                                 break;
 826                         seek_target_time = c->status->totalTime;
 827                         /* seek_target_time=0; */
 828                 }
 829                 break;
 830                 /* fall through... */
 831         case CMD_TRACK_NEXT:
 832                 if (!IS_STOPPED(c->status->state))
 833                         mpdclient_cmd_next(c);
 834                 break;
 835         case CMD_SEEK_BACKWARD:
 836                 if (!IS_STOPPED(c->status->state)) {
 837                         if (seek_id != c->song->id) {
 838                                 seek_id = c->song->id;
 839                                 seek_target_time = c->status->elapsedTime;
 840                         }
 841                         seek_target_time-=options.seek_time;
 842                         if (seek_target_time < 0)
 843                                 seek_target_time=0;
 844                 }
 845                 break;
 846         case CMD_TRACK_PREVIOUS:
 847                 if (!IS_STOPPED(c->status->state))
 848                         mpdclient_cmd_prev(c);
 849                 break;
 850         case CMD_SHUFFLE:
 851                 if (mpdclient_cmd_shuffle(c) == 0)
 852                         screen_status_message(_("Shuffled playlist!"));
 853                 break;
 854         case CMD_CLEAR:
 855                 if (mpdclient_cmd_clear(c) == 0)
 856                         screen_status_message(_("Cleared playlist!"));
 857                 break;
 858         case CMD_REPEAT:
 859                 mpdclient_cmd_repeat(c, !c->status->repeat);
 860                 break;
 861         case CMD_RANDOM:
 862                 mpdclient_cmd_random(c, !c->status->random);
 863                 break;
 864         case CMD_CROSSFADE:
 865                 if (c->status->crossfade)
 866                         mpdclient_cmd_crossfade(c, 0);
 867                 else
 868                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 869                 break;
 870         case CMD_DB_UPDATE:
 871                 if (!c->status->updatingDb) {
 872                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 873                                 screen_status_printf(_("Database update started!"));
 874                 } else
 875                         screen_status_printf(_("Database update running..."));
 876                 break;
 877         case CMD_VOLUME_UP:
 878                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 879                         mpdclient_cmd_volume(c, ++c->status->volume);
 880                 break;
 881         case CMD_VOLUME_DOWN:
 882                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 883                         mpdclient_cmd_volume(c, --c->status->volume);
 884                 break;
 885
 886         default:
 887                 return 0;
 888         }
 889
 890         return 1;
 891 }
 892
 893 void
 894 screen_cmd(mpdclient_t *c, command_t cmd)
 895 {
 896         screen.input_timestamp = time(NULL);
 897         screen.last_cmd = cmd;
 898         welcome = FALSE;
 899
 900         if (mode_fn->cmd != NULL && mode_fn->cmd(&screen, c, cmd))
 901                 return;
 902
 903         if (screen_client_cmd(c, cmd))
 904                 return;
 905
 906         switch(cmd) {
 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_LYRICS:
 947                 switch_screen_mode(SCREEN_LYRICS_ID, c);
 948                 break;
 949         default:
 950                 break;
 951         }
 952 }