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         char bitrate[16];
 321         const char *str = NULL;
 322         int x = 0;
 323
 324         if( time(NULL) - screen.status_timestamp <= SCREEN_STATUS_MESSAGE_TIME )
 325                 return;
 326
 327         wmove(w, 0, 0);
 328         wclrtoeol(w);
 329         colors_use(w, COLOR_STATUS_BOLD);
 330
 331         switch (status == NULL ? MPD_STATUS_STATE_STOP : status->state) {
 332         case MPD_STATUS_STATE_PLAY:
 333                 str = _("Playing:");
 334                 break;
 335         case MPD_STATUS_STATE_PAUSE:
 336                 str = _("[Paused]");
 337                 break;
 338         case MPD_STATUS_STATE_STOP:
 339         default:
 340                 break;
 341         }
 342
 343         if (str) {
 344                 waddstr(w, str);
 345                 x += my_strlen(str)+1;
 346         }
 347
 348         /* create time string */
 349         memset(screen.buf, 0, screen.buf_size);
 350         if (status != NULL && (IS_PLAYING(status->state) ||
 351                                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
 362                         /* display bitrate if visible-bitrate is true */
 363                         if (options.visible_bitrate) {
 364                                 g_snprintf(bitrate, 16,
 365                                            " [%d kbps]", status->bitRate);
 366                         } else {
 367                                 bitrate[0] = '\0';
 368                         }
 369
 370                         /*write out the time, using hours if time over 60 minutes*/
 371                         if (c->status->totalTime > 3600) {
 372                                 g_snprintf(screen.buf, screen.buf_size,
 373                                            "%s [%i:%02i:%02i/%i:%02i:%02i]",
 374                                            bitrate, elapsedTime/3600, (elapsedTime%3600)/60, elapsedTime%60,
 375                                            status->totalTime/3600, (status->totalTime%3600)/60,  status->totalTime%60);
 376                         } else {
 377                                 g_snprintf(screen.buf, screen.buf_size,
 378                                            "%s [%i:%02i/%i:%02i]",
 379                                            bitrate, elapsedTime/60, elapsedTime%60,
 380                                            status->totalTime/60,   status->totalTime%60 );
 381                         }
 382                 } else {
 383                         g_snprintf(screen.buf, screen.buf_size,
 384                                    " [%d kbps]", status->bitRate );
 385                 }
 386         } else {
 387                 time_t timep;
 388
 389                 time(&timep);
 390                 strftime(screen.buf, screen.buf_size, "%X ",localtime(&timep));
 391         }
 392
 393         /* display song */
 394         if (status != NULL && (IS_PLAYING(status->state) ||
 395                                IS_PAUSED(status->state))) {
 396                 char songname[MAX_SONGNAME_LENGTH];
 397                 int width = COLS-x-my_strlen(screen.buf);
 398
 399                 if (song)
 400                         strfsong(songname, MAX_SONGNAME_LENGTH, STATUS_FORMAT, song);
 401                 else
 402                         songname[0] = '\0';
 403
 404                 colors_use(w, COLOR_STATUS);
 405                 /* scroll if the song name is to long */
 406                 if (options.scroll && my_strlen(songname) > (size_t)width) {
 407                         static  scroll_state_t st = { 0, 0 };
 408                         char *tmp = strscroll(songname, options.scroll_sep, width, &st);
 409
 410                         g_strlcpy(songname, tmp, MAX_SONGNAME_LENGTH);
 411                         g_free(tmp);
 412                 }
 413                 //mvwaddnstr(w, 0, x, songname, width);
 414                 mvwaddstr(w, 0, x, songname);
 415         }
 416
 417         /* display time string */
 418         if (screen.buf[0]) {
 419                 x = screen.status_window.cols - strlen(screen.buf);
 420                 colors_use(w, COLOR_STATUS_TIME);
 421                 mvwaddstr(w, 0, x, screen.buf);
 422         }
 423
 424         wnoutrefresh(w);
 425 }
 426
 427 void
 428 screen_exit(void)
 429 {
 430         guint i;
 431
 432         if (mode_fn->close != NULL)
 433                 mode_fn->close();
 434
 435         /* close and exit all screens (playlist,browse,help...) */
 436         for (i = 0; i < NUM_SCREENS; ++i) {
 437                 const struct screen_functions *sf = screens[i].functions;
 438
 439                 if (sf->exit)
 440                         sf->exit();
 441         }
 442
 443         string_list_free(screen.find_history);
 444         g_free(screen.buf);
 445         g_free(screen.findbuf);
 446 }
 447
 448 void
 449 screen_resize(void)
 450 {
 451         guint i;
 452
 453         D("Resize rows %d->%d, cols %d->%d\n",screen.rows,LINES,screen.cols,COLS);
 454         if (COLS<SCREEN_MIN_COLS || LINES<SCREEN_MIN_ROWS) {
 455                 screen_exit();
 456                 fprintf(stderr, _("Error: Screen to small!\n"));
 457                 exit(EXIT_FAILURE);
 458         }
 459
 460         resizeterm(LINES, COLS);
 461
 462         screen.cols = COLS;
 463         screen.rows = LINES;
 464
 465         /* top window */
 466         screen.top_window.cols = screen.cols;
 467         wresize(screen.top_window.w, 2, screen.cols);
 468
 469         /* main window */
 470         screen.main_window.cols = screen.cols;
 471         screen.main_window.rows = screen.rows-4;
 472         wresize(screen.main_window.w, screen.main_window.rows, screen.cols);
 473         wclear(screen.main_window.w);
 474
 475         /* progress window */
 476         screen.progress_window.cols = screen.cols;
 477         wresize(screen.progress_window.w, 1, screen.cols);
 478         mvwin(screen.progress_window.w, screen.rows-2, 0);
 479
 480         /* status window */
 481         screen.status_window.cols = screen.cols;
 482         wresize(screen.status_window.w, 1, screen.cols);
 483         mvwin(screen.status_window.w, screen.rows-1, 0);
 484
 485         screen.buf_size = screen.cols;
 486         g_free(screen.buf);
 487         screen.buf = g_malloc(screen.cols);
 488
 489         /* close and exit all screens (playlist,browse,help...) */
 490         for (i = 0; i < NUM_SCREENS; ++i) {
 491                 const struct screen_functions *sf = screens[i].functions;
 492
 493                 if (sf->resize)
 494                         sf->resize(screen.main_window.cols, screen.main_window.rows);
 495         }
 496
 497
 498         /* ? - without this the cursor becomes visible with aterm & Eterm */
 499         curs_set(1);
 500         curs_set(0);
 501
 502         screen.painted = 0;
 503 }
 504
 505 void
 506 screen_status_message(const char *msg)
 507 {
 508         WINDOW *w = screen.status_window.w;
 509
 510         wmove(w, 0, 0);
 511         wclrtoeol(w);
 512         colors_use(w, COLOR_STATUS_ALERT);
 513         waddstr(w, msg);
 514         wnoutrefresh(w);
 515         screen.status_timestamp = time(NULL);
 516 }
 517
 518 void
 519 screen_status_printf(const char *format, ...)
 520 {
 521         char *msg;
 522         va_list ap;
 523
 524         va_start(ap,format);
 525         msg = g_strdup_vprintf(format,ap);
 526         va_end(ap);
 527         screen_status_message(msg);
 528         g_free(msg);
 529 }
 530
 531 void
 532 screen_init(mpdclient_t *c)
 533 {
 534         guint i;
 535
 536         if (COLS < SCREEN_MIN_COLS || LINES < SCREEN_MIN_ROWS) {
 537                 fprintf(stderr, _("Error: Screen to small!\n"));
 538                 exit(EXIT_FAILURE);
 539         }
 540
 541         screen.mode = 0;
 542         screen.cols = COLS;
 543         screen.rows = LINES;
 544
 545         screen.buf  = g_malloc(screen.cols);
 546         screen.buf_size = screen.cols;
 547         screen.findbuf = NULL;
 548         screen.painted = 0;
 549         screen.start_timestamp = time(NULL);
 550         screen.last_cmd = CMD_NONE;
 551
 552         /* create top window */
 553         screen.top_window.rows = 2;
 554         screen.top_window.cols = screen.cols;
 555         screen.top_window.w = newwin(screen.top_window.rows,
 556                                       screen.top_window.cols,
 557                                       0, 0);
 558         leaveok(screen.top_window.w, TRUE);
 559         keypad(screen.top_window.w, TRUE);
 560
 561         /* create main window */
 562         screen.main_window.rows = screen.rows-4;
 563         screen.main_window.cols = screen.cols;
 564         screen.main_window.w = newwin(screen.main_window.rows,
 565                                        screen.main_window.cols,
 566                                        2,
 567                                        0);
 568
 569         //  leaveok(screen.main_window.w, TRUE); temporary disabled
 570         keypad(screen.main_window.w, TRUE);
 571
 572         /* create progress window */
 573         screen.progress_window.rows = 1;
 574         screen.progress_window.cols = screen.cols;
 575         screen.progress_window.w = newwin(screen.progress_window.rows,
 576                                            screen.progress_window.cols,
 577                                            screen.rows-2,
 578                                            0);
 579         leaveok(screen.progress_window.w, TRUE);
 580
 581         /* create status window */
 582         screen.status_window.rows = 1;
 583         screen.status_window.cols = screen.cols;
 584         screen.status_window.w = newwin(screen.status_window.rows,
 585                                          screen.status_window.cols,
 586                                          screen.rows-1,
 587                                          0);
 588
 589         leaveok(screen.status_window.w, FALSE);
 590         keypad(screen.status_window.w, TRUE);
 591
 592         if (options.enable_colors) {
 593                 /* set background attributes */
 594                 wbkgd(stdscr, COLOR_PAIR(COLOR_LIST));
 595                 wbkgd(screen.main_window.w,     COLOR_PAIR(COLOR_LIST));
 596                 wbkgd(screen.top_window.w,      COLOR_PAIR(COLOR_TITLE));
 597                 wbkgd(screen.progress_window.w, COLOR_PAIR(COLOR_PROGRESSBAR));
 598                 wbkgd(screen.status_window.w,   COLOR_PAIR(COLOR_STATUS));
 599                 colors_use(screen.progress_window.w, COLOR_PROGRESSBAR);
 600         }
 601
 602         refresh();
 603
 604         /* initialize screens */
 605         for (i = 0; i < NUM_SCREENS; ++i) {
 606                 const struct screen_functions *fn = screens[i].functions;
 607
 608                 if (fn->init)
 609                         fn->init(screen.main_window.w,
 610                                  screen.main_window.cols,
 611                                  screen.main_window.rows);
 612         }
 613
 614         if (mode_fn->open != NULL)
 615                 mode_fn->open(&screen, c);
 616
 617         /* initialize wreadln */
 618         wrln_wgetch = my_wgetch;
 619         wrln_max_history_length = 16;
 620 }
 621
 622 void
 623 screen_paint(mpdclient_t *c)
 624 {
 625         const char *title = NULL;
 626
 627         if (mode_fn->get_title != NULL)
 628                 title = mode_fn->get_title(screen.buf, screen.buf_size);
 629
 630         D("screen_paint(%s)\n", title);
 631         /* paint the title/header window */
 632         if( title )
 633                 paint_top_window(title, c, 1);
 634         else
 635                 paint_top_window("", c, 1);
 636
 637         /* paint the main window */
 638         wclear(screen.main_window.w);
 639         if (mode_fn->paint != NULL)
 640                 mode_fn->paint(c);
 641
 642         paint_progress_window(c);
 643         paint_status_window(c);
 644         screen.painted = 1;
 645         wmove(screen.main_window.w, 0, 0);
 646         wnoutrefresh(screen.main_window.w);
 647
 648         /* tell curses to update */
 649         doupdate();
 650 }
 651
 652 void
 653 screen_update(mpdclient_t *c)
 654 {
 655         static int repeat = -1;
 656         static int random_enabled = -1;
 657         static int crossfade = -1;
 658         static int dbupdate = -1;
 659
 660         if( !screen.painted )
 661                 return screen_paint(c);
 662
 663         /* print a message if mpd status has changed */
 664         if (c->status != NULL) {
 665                 if (repeat < 0) {
 666                         repeat = c->status->repeat;
 667                         random_enabled = c->status->random;
 668                         crossfade = c->status->crossfade;
 669                         dbupdate = c->status->updatingDb;
 670                 }
 671
 672                 if (repeat != c->status->repeat)
 673                         screen_status_printf(c->status->repeat ?
 674                                              _("Repeat is on") :
 675                                              _("Repeat is off"));
 676
 677                 if (random_enabled != c->status->random)
 678                         screen_status_printf(c->status->random ?
 679                                              _("Random is on") :
 680                                              _("Random is off"));
 681
 682                 if (crossfade != c->status->crossfade)
 683                         screen_status_printf(_("Crossfade %d seconds"), c->status->crossfade);
 684
 685                 if (dbupdate && dbupdate != c->status->updatingDb) {
 686                         screen_status_printf(_("Database updated!"));
 687                         mpdclient_browse_callback(c, BROWSE_DB_UPDATED, NULL);
 688                 }
 689
 690                 repeat = c->status->repeat;
 691                 random_enabled = c->status->random;
 692                 crossfade = c->status->crossfade;
 693                 dbupdate = c->status->updatingDb;
 694         }
 695
 696         /* update title/header window */
 697         if (welcome && options.welcome_screen_list &&
 698             screen.last_cmd==CMD_NONE &&
 699             time(NULL)-screen.start_timestamp <= SCREEN_WELCOME_TIME)
 700                 paint_top_window("", c, 0);
 701         else if (mode_fn->get_title != NULL) {
 702                 paint_top_window(mode_fn->get_title(screen.buf,screen.buf_size), c, 0);
 703                 welcome = FALSE;
 704         } else
 705                 paint_top_window("", c, 0);
 706
 707         /* update the main window */
 708         if (mode_fn->update != NULL)
 709                 mode_fn->update(c);
 710
 711         /* update progress window */
 712         paint_progress_window(c);
 713
 714         /* update status window */
 715         paint_status_window(c);
 716
 717         /* move the cursor to the origin */
 718         wmove(screen.main_window.w, 0, 0);
 719         wnoutrefresh(screen.main_window.w);
 720
 721         /* tell curses to update */
 722         doupdate();
 723 }
 724
 725 void
 726 screen_idle(mpdclient_t *c)
 727 {
 728         if (c->song && seek_id == c->song->id &&
 729             (screen.last_cmd == CMD_SEEK_FORWARD ||
 730              screen.last_cmd == CMD_SEEK_BACKWARD))
 731                 mpdclient_cmd_seek(c, seek_id, seek_target_time);
 732
 733         screen.last_cmd = CMD_NONE;
 734         seek_id = -1;
 735 }
 736
 737 #ifdef HAVE_GETMOUSE
 738 int
 739 screen_get_mouse_event(mpdclient_t *c, unsigned long *bstate, int *row)
 740 {
 741         MEVENT event;
 742
 743         /* retreive the mouse event from ncurses */
 744         getmouse(&event);
 745         D("mouse: id=%d  y=%d,x=%d,z=%d\n",event.id,event.y,event.x,event.z);
 746         /* calculate the selected row in the list window */
 747         *row = event.y - screen.top_window.rows;
 748         /* copy button state bits */
 749         *bstate = event.bstate;
 750         /* if button 2 was pressed switch screen */
 751         if (event.bstate & BUTTON2_CLICKED) {
 752                 screen_cmd(c, CMD_SCREEN_NEXT);
 753                 return 1;
 754         }
 755
 756         return 0;
 757 }
 758 #endif
 759
 760 static int
 761 screen_client_cmd(mpdclient_t *c, command_t cmd)
 762 {
 763         if (c->connection == NULL || c->status == NULL)
 764                 return 0;
 765
 766         switch(cmd) {
 767                 /*
 768         case CMD_PLAY:
 769                 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
 770                 break;
 771                 */
 772         case CMD_PAUSE:
 773                 mpdclient_cmd_pause(c, !IS_PAUSED(c->status->state));
 774                 break;
 775         case CMD_STOP:
 776                 mpdclient_cmd_stop(c);
 777                 break;
 778         case CMD_CROP:
 779                 mpdclient_cmd_crop(c);
 780                 break;
 781         case CMD_SEEK_FORWARD:
 782                 if (!IS_STOPPED(c->status->state)) {
 783                         if (c->song && seek_id != c->song->id) {
 784                                 seek_id = c->song->id;
 785                                 seek_target_time = c->status->elapsedTime;
 786                         }
 787                         seek_target_time+=options.seek_time;
 788                         if (seek_target_time < c->status->totalTime)
 789                                 break;
 790                         seek_target_time = c->status->totalTime;
 791                         /* seek_target_time=0; */
 792                 }
 793                 break;
 794                 /* fall through... */
 795         case CMD_TRACK_NEXT:
 796                 if (!IS_STOPPED(c->status->state))
 797                         mpdclient_cmd_next(c);
 798                 break;
 799         case CMD_SEEK_BACKWARD:
 800                 if (!IS_STOPPED(c->status->state)) {
 801                         if (seek_id != c->song->id) {
 802                                 seek_id = c->song->id;
 803                                 seek_target_time = c->status->elapsedTime;
 804                         }
 805                         seek_target_time-=options.seek_time;
 806                         if (seek_target_time < 0)
 807                                 seek_target_time=0;
 808                 }
 809                 break;
 810         case CMD_TRACK_PREVIOUS:
 811                 if (!IS_STOPPED(c->status->state))
 812                         mpdclient_cmd_prev(c);
 813                 break;
 814         case CMD_SHUFFLE:
 815                 if (mpdclient_cmd_shuffle(c) == 0)
 816                         screen_status_message(_("Shuffled playlist!"));
 817                 break;
 818         case CMD_CLEAR:
 819                 if (mpdclient_cmd_clear(c) == 0)
 820                         screen_status_message(_("Cleared playlist!"));
 821                 break;
 822         case CMD_REPEAT:
 823                 mpdclient_cmd_repeat(c, !c->status->repeat);
 824                 break;
 825         case CMD_RANDOM:
 826                 mpdclient_cmd_random(c, !c->status->random);
 827                 break;
 828         case CMD_CROSSFADE:
 829                 if (c->status->crossfade)
 830                         mpdclient_cmd_crossfade(c, 0);
 831                 else
 832                         mpdclient_cmd_crossfade(c, options.crossfade_time);
 833                 break;
 834         case CMD_DB_UPDATE:
 835                 if (!c->status->updatingDb) {
 836                         if( mpdclient_cmd_db_update_utf8(c,NULL)==0 )
 837                                 screen_status_printf(_("Database update started!"));
 838                 } else
 839                         screen_status_printf(_("Database update running..."));
 840                 break;
 841         case CMD_VOLUME_UP:
 842                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume<100 )
 843                         mpdclient_cmd_volume(c, ++c->status->volume);
 844                 break;
 845         case CMD_VOLUME_DOWN:
 846                 if( c->status->volume!=MPD_STATUS_NO_VOLUME && c->status->volume>0 )
 847                         mpdclient_cmd_volume(c, --c->status->volume);
 848                 break;
 849
 850         default:
 851                 return 0;
 852         }
 853
 854         return 1;
 855 }
 856
 857 void
 858 screen_cmd(mpdclient_t *c, command_t cmd)
 859 {
 860         screen.last_cmd = cmd;
 861         welcome = FALSE;
 862
 863         if (mode_fn->cmd != NULL && mode_fn->cmd(&screen, c, cmd))
 864                 return;
 865
 866         if (screen_client_cmd(c, cmd))
 867                 return;
 868
 869         switch(cmd) {
 870         case CMD_TOGGLE_FIND_WRAP:
 871                 options.find_wrap = !options.find_wrap;
 872                 screen_status_printf(options.find_wrap ?
 873                                      _("Find mode: Wrapped") :
 874                                      _("Find mode: Normal"));
 875                 break;
 876         case CMD_TOGGLE_AUTOCENTER:
 877                 options.auto_center = !options.auto_center;
 878                 screen_status_printf(options.auto_center ?
 879                                      _("Auto center mode: On") :
 880                                      _("Auto center mode: Off"));
 881                 break;
 882         case CMD_SCREEN_UPDATE:
 883                 screen.painted = 0;
 884                 break;
 885         case CMD_SCREEN_PREVIOUS:
 886                 screen_next_mode(c, -1);
 887                 break;
 888         case CMD_SCREEN_NEXT:
 889                 screen_next_mode(c, 1);
 890                 break;
 891         case CMD_SCREEN_PLAY:
 892                 switch_screen_mode(SCREEN_PLAYLIST_ID, c);
 893                 break;
 894         case CMD_SCREEN_FILE:
 895                 switch_screen_mode(SCREEN_BROWSE_ID, c);
 896                 break;
 897         case CMD_SCREEN_HELP:
 898                 switch_screen_mode(SCREEN_HELP_ID, c);
 899                 break;
 900         case CMD_SCREEN_SEARCH:
 901                 switch_screen_mode(SCREEN_SEARCH_ID, c);
 902                 break;
 903         case CMD_SCREEN_ARTIST:
 904                 switch_screen_mode(SCREEN_ARTIST_ID, c);
 905                 break;
 906         case CMD_SCREEN_KEYDEF:
 907                 switch_screen_mode(SCREEN_KEYDEF_ID, c);
 908                 break;
 909         case CMD_SCREEN_LYRICS:
 910                 switch_screen_mode(SCREEN_LYRICS_ID, c);
 911                 break;
 912         default:
 913                 break;
 914         }
 915 }