git.sesse.net Git - vlc/blob - modules/gui/macosx/controls.m

   1 /*****************************************************************************
   2  * controls.m: MacOS X interface plugin
   3  *****************************************************************************
   4  * Copyright (C) 2002-2003 VideoLAN
   5  * $Id: controls.m,v 1.34 2003/05/01 01:11:17 hartman Exp $
   6  *
   7  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
   8  *          Christophe Massiot <massiot@via.ecp.fr>
   9  *          Derk-Jan Hartman <thedj@users.sourceforge.net>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29 #include <stdlib.h>                                      /* malloc(), free() */
  30 #include <sys/param.h>                                    /* for MAXPATHLEN */
  31 #include <string.h>
  32
  33 #include "intf.h"
  34 #include "vout.h"
  35 #include "open.h"
  36 #include "controls.h"
  37
  38 /*****************************************************************************
  39  * VLCControls implementation
  40  *****************************************************************************/
  41 @implementation VLCControls
  42
  43 - (IBAction)play:(id)sender
  44 {
  45     intf_thread_t * p_intf = [NSApp getIntf];
  46
  47     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  48                                                        FIND_ANYWHERE );
  49     if( p_playlist == NULL )
  50     {
  51         return;
  52     }
  53
  54     if( playlist_IsPlaying( p_playlist ) )
  55     {
  56         playlist_Pause( p_playlist );
  57         vlc_object_release( p_playlist );
  58     }
  59     else
  60     {
  61         if( !playlist_IsEmpty( p_playlist ) )
  62         {
  63             playlist_Play( p_playlist );
  64             vlc_object_release( p_playlist );
  65         }
  66         else
  67         {
  68             vlc_object_release( p_playlist );
  69             [o_open openFileGeneric: nil];
  70         }
  71     }
  72 }
  73
  74 - (IBAction)stop:(id)sender
  75 {
  76     intf_thread_t * p_intf = [NSApp getIntf];
  77
  78     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  79                                                        FIND_ANYWHERE );
  80     if( p_playlist == NULL )
  81     {
  82         return;
  83     }
  84
  85     playlist_Stop( p_playlist );
  86     vlc_object_release( p_playlist );
  87 }
  88
  89 - (IBAction)faster:(id)sender
  90 {
  91     intf_thread_t * p_intf = [NSApp getIntf];
  92
  93     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  94                                                        FIND_ANYWHERE );
  95     if( p_playlist == NULL )
  96     {
  97         return;
  98     }
  99
 100     vlc_mutex_lock( &p_playlist->object_lock );
 101     if( p_playlist->p_input != NULL )
 102     {
 103         input_SetStatus( p_playlist->p_input, INPUT_STATUS_FASTER );
 104     }
 105     vlc_mutex_unlock( &p_playlist->object_lock );
 106
 107     vlc_object_release( p_playlist );
 108 }
 109
 110 - (IBAction)slower:(id)sender
 111 {
 112     intf_thread_t * p_intf = [NSApp getIntf];
 113
 114     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 115                                                        FIND_ANYWHERE );
 116     if( p_playlist == NULL )
 117     {
 118         return;
 119     }
 120
 121     vlc_mutex_lock( &p_playlist->object_lock );
 122     if( p_playlist->p_input != NULL )
 123     {
 124         input_SetStatus( p_playlist->p_input, INPUT_STATUS_SLOWER );
 125     }
 126     vlc_mutex_unlock( &p_playlist->object_lock );
 127
 128     vlc_object_release( p_playlist );
 129 }
 130
 131 - (IBAction)prev:(id)sender
 132 {
 133     intf_thread_t * p_intf = [NSApp getIntf];
 134
 135     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 136                                                        FIND_ANYWHERE );
 137     if( p_playlist == NULL )
 138     {
 139         return;
 140     }
 141
 142     vlc_mutex_lock( &p_playlist->object_lock );
 143
 144     if( p_playlist->p_input == NULL )
 145     {
 146         vlc_mutex_unlock( &p_playlist->object_lock );
 147         vlc_object_release( p_playlist );
 148         return;
 149     }
 150
 151     vlc_mutex_lock( &p_playlist->p_input->stream.stream_lock );
 152
 153 #define p_area p_playlist->p_input->stream.p_selected_area
 154
 155     if( p_area->i_part_nb > 1 && p_area->i_part > 1 )
 156     {
 157         p_area->i_part--;
 158
 159         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 160         input_ChangeArea( p_playlist->p_input, p_area );
 161         vlc_mutex_unlock( &p_playlist->object_lock );
 162
 163         p_intf->p_sys->b_chapter_update = VLC_TRUE;
 164     }
 165     else
 166     {
 167         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 168         vlc_mutex_unlock( &p_playlist->object_lock );
 169         playlist_Prev( p_playlist );
 170     }
 171
 172 #undef p_area
 173
 174     vlc_object_release( p_playlist );
 175 }
 176
 177 - (IBAction)next:(id)sender
 178 {
 179     intf_thread_t * p_intf = [NSApp getIntf];
 180
 181     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 182                                                        FIND_ANYWHERE );
 183     if( p_playlist == NULL )
 184     {
 185         return;
 186     }
 187
 188     vlc_mutex_lock( &p_playlist->object_lock );
 189
 190     if( p_playlist->p_input == NULL )
 191     {
 192         vlc_mutex_unlock( &p_playlist->object_lock );
 193         vlc_object_release( p_playlist );
 194         return;
 195     }
 196
 197     vlc_mutex_lock( &p_playlist->p_input->stream.stream_lock );
 198
 199 #define p_area p_playlist->p_input->stream.p_selected_area
 200
 201     if( p_area->i_part_nb > 1 && p_area->i_part + 1 < p_area->i_part_nb )
 202     {
 203         p_area->i_part++;
 204
 205         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 206         input_ChangeArea( p_playlist->p_input, p_area );
 207         vlc_mutex_unlock( &p_playlist->object_lock );
 208
 209         p_intf->p_sys->b_chapter_update = VLC_TRUE;
 210     }
 211     else
 212     {
 213         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 214         vlc_mutex_unlock( &p_playlist->object_lock );
 215         playlist_Next( p_playlist );
 216     }
 217
 218 #undef p_area
 219
 220     vlc_object_release( p_playlist );
 221 }
 222
 223 - (IBAction)loop:(id)sender
 224 {
 225     intf_thread_t * p_intf = [NSApp getIntf];
 226
 227     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 228                                                        FIND_ANYWHERE );
 229     if( p_playlist == NULL )
 230     {
 231         return;
 232     }
 233
 234     config_PutInt( p_playlist, "loop",
 235                    !config_GetInt( p_playlist, "loop" ) );
 236
 237     vlc_object_release( p_playlist );
 238 }
 239
 240 - (IBAction)forward:(id)sender
 241 {
 242     intf_thread_t * p_intf = [NSApp getIntf];
 243     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 244                                                        FIND_ANYWHERE );
 245     if( p_playlist == NULL || p_playlist->p_input == NULL )
 246     {
 247         if ( p_playlist != NULL ) vlc_object_release( p_playlist );
 248         return;
 249     }
 250
 251     input_Seek( p_playlist->p_input, 5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 252     vlc_object_release( p_playlist );
 253 }
 254
 255 - (IBAction)backward:(id)sender
 256 {
 257     intf_thread_t * p_intf = [NSApp getIntf];
 258     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 259                                                        FIND_ANYWHERE );
 260     if( p_playlist == NULL || p_playlist->p_input == NULL )
 261     {
 262         if ( p_playlist != NULL ) vlc_object_release( p_playlist );
 263         return;
 264     }
 265
 266     input_Seek( p_playlist->p_input, -5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
 267     vlc_object_release( p_playlist );
 268 }
 269
 270 - (IBAction)volumeUp:(id)sender
 271 {
 272     intf_thread_t * p_intf = [NSApp getIntf];
 273
 274     if( p_intf->p_sys->b_mute )
 275     {
 276         [self mute: nil];
 277     }
 278
 279     aout_VolumeUp( p_intf, 1, NULL );
 280
 281     [self updateVolumeSlider];
 282 }
 283
 284 - (IBAction)volumeDown:(id)sender
 285 {
 286     intf_thread_t * p_intf = [NSApp getIntf];
 287
 288     if( p_intf->p_sys->b_mute )
 289     {
 290         [self mute: nil];
 291     }
 292
 293     aout_VolumeDown( p_intf, 1, NULL );
 294
 295     [self updateVolumeSlider];
 296 }
 297
 298 - (IBAction)mute:(id)sender
 299 {
 300     intf_thread_t * p_intf = [NSApp getIntf];
 301     audio_volume_t i_volume;
 302
 303     aout_VolumeMute( p_intf, &i_volume );
 304     p_intf->p_sys->b_mute = ( i_volume == 0 );
 305
 306     [self updateVolumeSlider];
 307 }
 308
 309 - (IBAction)volumeSliderUpdated:(id)sender
 310 {
 311     intf_thread_t * p_intf = [NSApp getIntf];
 312     audio_volume_t i_volume = (audio_volume_t)[sender intValue];
 313
 314     aout_VolumeSet( p_intf, i_volume * AOUT_VOLUME_STEP );
 315 }
 316
 317 - (void)updateVolumeSlider
 318 {
 319     intf_thread_t * p_intf = [NSApp getIntf];
 320     audio_volume_t i_volume;
 321
 322     aout_VolumeGet( p_intf, &i_volume );
 323
 324     [o_volumeslider setFloatValue: (float)(i_volume / AOUT_VOLUME_STEP)];
 325 }
 326
 327 - (IBAction)halfWindow:(id)sender
 328 {
 329     id o_window = [NSApp keyWindow];
 330     NSArray *o_windows = [NSApp windows];
 331     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 332
 333     while ((o_window = [o_enumerator nextObject]))
 334     {
 335         if( [[o_window className] isEqualToString: @"VLCWindow"] )
 336         {
 337             [o_window scaleWindowWithFactor: 0.5];
 338         }
 339     }
 340 }
 341
 342 - (IBAction)normalWindow:(id)sender
 343 {
 344     id o_window = [NSApp keyWindow];
 345     NSArray *o_windows = [NSApp windows];
 346     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 347
 348     while ((o_window = [o_enumerator nextObject]))
 349     {
 350         if( [[o_window className] isEqualToString: @"VLCWindow"] )
 351         {
 352             [o_window scaleWindowWithFactor: 1];
 353         }
 354     }
 355 }
 356
 357 - (IBAction)doubleWindow:(id)sender
 358 {
 359     id o_window = [NSApp keyWindow];
 360     NSArray *o_windows = [NSApp windows];
 361     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 362
 363     while ((o_window = [o_enumerator nextObject]))
 364     {
 365         if( [[o_window className] isEqualToString: @"VLCWindow"] )
 366         {
 367             [o_window scaleWindowWithFactor: 2];
 368         }
 369     }
 370 }
 371
 372
 373 - (IBAction)fullscreen:(id)sender
 374 {
 375     id o_window = [NSApp keyWindow];
 376     NSArray *o_windows = [NSApp windows];
 377     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 378
 379     while ((o_window = [o_enumerator nextObject]))
 380     {
 381         if( [[o_window className] isEqualToString: @"VLCWindow"] )
 382         {
 383             [o_window toggleFullscreen];
 384         }
 385     }
 386 }
 387
 388 - (IBAction)floatOnTop:(id)sender
 389 {
 390     id o_window = [NSApp keyWindow];
 391     NSArray *o_windows = [NSApp windows];
 392     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 393
 394     while ((o_window = [o_enumerator nextObject]))
 395     {
 396         if( [[o_window className] isEqualToString: @"VLCWindow"] )
 397         {
 398             [o_window toggleFloatOnTop];
 399         }
 400     }
 401 }
 402
 403 - (IBAction)deinterlace:(id)sender
 404 {
 405     intf_thread_t * p_intf = [NSApp getIntf];
 406     BOOL bEnable = [sender state] == NSOffState;
 407
 408     if( bEnable && ![[sender title] isEqualToString: @"none"] )
 409     {
 410         config_PutPsz( p_intf, "filter", "deinterlace" );
 411         config_PutPsz( p_intf, "deinterlace-mode",
 412                     [[sender title] lossyCString] );
 413     }
 414     else
 415     {
 416         config_PutPsz( p_intf, "filter", NULL );
 417     }
 418 }
 419
 420 - (IBAction)toggleProgram:(id)sender
 421 {
 422     NSMenuItem * o_mi = (NSMenuItem *)sender;
 423     intf_thread_t * p_intf = [NSApp getIntf];
 424
 425     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 426                                                        FIND_ANYWHERE );
 427     if( p_playlist == NULL )
 428     {
 429         return;
 430     }
 431
 432     vlc_mutex_lock( &p_playlist->object_lock );
 433
 434     if( p_playlist->p_input == NULL )
 435     {
 436         vlc_mutex_unlock( &p_playlist->object_lock );
 437         vlc_object_release( p_playlist );
 438         return;
 439     }
 440
 441     if( [o_mi state] == NSOffState )
 442     {
 443         u16 i_program_id = [o_mi tag];
 444
 445         input_ChangeProgram( p_playlist->p_input, i_program_id );
 446         input_SetStatus( p_playlist->p_input, INPUT_STATUS_PLAY );
 447     }
 448
 449     vlc_mutex_unlock( &p_playlist->object_lock );
 450     vlc_object_release( p_playlist );
 451 }
 452
 453 - (IBAction)toggleTitle:(id)sender
 454 {
 455     NSMenuItem * o_mi = (NSMenuItem *)sender;
 456     intf_thread_t * p_intf = [NSApp getIntf];
 457
 458     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 459                                                        FIND_ANYWHERE );
 460     if( p_playlist == NULL )
 461     {
 462         return;
 463     }
 464
 465     vlc_mutex_lock( &p_playlist->object_lock );
 466
 467     if( p_playlist->p_input == NULL )
 468     {
 469         vlc_mutex_unlock( &p_playlist->object_lock );
 470         vlc_object_release( p_playlist );
 471         return;
 472     }
 473
 474     if( [o_mi state] == NSOffState )
 475     {
 476         int i_title = [o_mi tag];
 477
 478 #define p_input p_playlist->p_input
 479         input_ChangeArea( p_input, p_input->stream.pp_areas[i_title] );
 480         input_SetStatus( p_input, INPUT_STATUS_PLAY );
 481 #undef p_input
 482     }
 483
 484     vlc_mutex_unlock( &p_playlist->object_lock );
 485     vlc_object_release( p_playlist );
 486 }
 487
 488 - (IBAction)toggleChapter:(id)sender
 489 {
 490     NSMenuItem * o_mi = (NSMenuItem *)sender;
 491     intf_thread_t * p_intf = [NSApp getIntf];
 492
 493     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 494                                                        FIND_ANYWHERE );
 495     if( p_playlist == NULL )
 496     {
 497         return;
 498     }
 499
 500     vlc_mutex_lock( &p_playlist->object_lock );
 501
 502     if( p_playlist->p_input == NULL )
 503     {
 504         vlc_mutex_unlock( &p_playlist->object_lock );
 505         vlc_object_release( p_playlist );
 506         return;
 507     }
 508
 509     if( [o_mi state] == NSOffState )
 510     {
 511         int i_chapter = [o_mi tag];
 512
 513 #define p_input p_playlist->p_input
 514         p_input->stream.p_selected_area->i_part = i_chapter;
 515         input_ChangeArea( p_input, p_input->stream.p_selected_area );
 516         input_SetStatus( p_input, INPUT_STATUS_PLAY );
 517 #undef p_input
 518     }
 519
 520     vlc_mutex_unlock( &p_playlist->object_lock );
 521     vlc_object_release( p_playlist );
 522 }
 523
 524 - (IBAction)toggleLanguage:(id)sender
 525 {
 526     NSMenuItem * o_mi = (NSMenuItem *)sender;
 527     intf_thread_t * p_intf = [NSApp getIntf];
 528
 529     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 530                                                        FIND_ANYWHERE );
 531     if( p_playlist == NULL )
 532     {
 533         return;
 534     }
 535
 536     vlc_mutex_lock( &p_playlist->object_lock );
 537
 538     if( p_playlist->p_input == NULL )
 539     {
 540         vlc_mutex_unlock( &p_playlist->object_lock );
 541         vlc_object_release( p_playlist );
 542         return;
 543     }
 544
 545 #if 0
 546     /* We do not use this code, because you need to start stop .avi for
 547      * it to work, so not very useful now  --hartman */
 548     if ( [o_mi state] == NSOffState && [o_mi tag] == 2000 )
 549     {
 550         NSOpenPanel *o_open_panel = [NSOpenPanel openPanel];
 551
 552         [o_open_panel setAllowsMultipleSelection: NO];
 553         [o_open_panel setTitle: _NS("Open subtitle file")];
 554         [o_open_panel setPrompt: _NS("Open")];
 555
 556         if( [o_open_panel runModalForDirectory: nil
 557                 file: nil types: nil] == NSOKButton )
 558         {
 559             NSString *o_filename = [[o_open_panel filenames] objectAtIndex: 0];
 560             config_PutPsz( p_intf, "sub-file", strdup( [o_filename cString] ));
 561         }
 562     }
 563 #endif
 564
 565 #define p_input p_playlist->p_input
 566
 567     if( !p_intf->p_sys->b_audio_update )
 568     {
 569         NSValue * o_value = [o_mi representedObject];
 570         es_descriptor_t * p_es = [o_value pointerValue];
 571
 572         if( [o_mi state] == NSOnState )
 573         {
 574             /* we just have one ES to disable */
 575             input_ToggleES( p_input, p_es, 0 );
 576         }
 577         else
 578         {
 579             unsigned int i;
 580             int i_cat = [o_mi tag];
 581
 582             vlc_mutex_lock( &p_input->stream.stream_lock );
 583
 584 #define ES p_input->stream.pp_selected_es[i]
 585
 586             /* unselect the selected ES in the same class */
 587             for( i = 0; i < p_input->stream.i_selected_es_number; i++ )
 588             {
 589                 if( ES->i_cat == i_cat )
 590                 {
 591                     vlc_mutex_unlock( &p_input->stream.stream_lock );
 592                     input_ToggleES( p_input, ES, 0 );
 593                     vlc_mutex_lock( &p_input->stream.stream_lock );
 594                     break;
 595                 }
 596             }
 597
 598 #undef ES
 599
 600             vlc_mutex_unlock( &p_input->stream.stream_lock );
 601
 602             input_ToggleES( p_input, p_es, 1 );
 603         }
 604     }
 605
 606 #undef p_input
 607
 608     vlc_mutex_unlock( &p_playlist->object_lock );
 609     vlc_object_release( p_playlist );
 610 }
 611
 612 - (IBAction)toggleVar:(id)sender
 613 {
 614     NSMenuItem * o_mi = (NSMenuItem *)sender;
 615
 616     if( [o_mi state] == NSOffState )
 617     {
 618         const char * psz_variable = (const char *)[o_mi tag];
 619         char * psz_value = [NSApp delocalizeString: [o_mi title]];
 620         vlc_object_t * p_object = (vlc_object_t *)
 621             [[o_mi representedObject] pointerValue];
 622         vlc_value_t val;
 623         /* psz_string sucks */
 624         val.psz_string = (char *)psz_value;
 625
 626         if ( var_Set( p_object, psz_variable, val ) < 0 )
 627         {
 628             msg_Warn( p_object, "cannot set variable (%s)", psz_value );
 629         }
 630
 631         free( psz_value );
 632     }
 633 }
 634
 635 @end
 636
 637 @implementation VLCControls (NSMenuValidation)
 638
 639 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 640 {
 641     BOOL bEnabled = TRUE;
 642     NSMenu * o_menu = [o_mi menu];
 643     intf_thread_t * p_intf = [NSApp getIntf];
 644
 645     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 646                                                        FIND_ANYWHERE );
 647
 648     if( p_playlist != NULL )
 649     {
 650         vlc_mutex_lock( &p_playlist->object_lock );
 651     }
 652
 653 #define p_input p_playlist->p_input
 654
 655     if( [[o_mi title] isEqualToString: _NS("Faster")] ||
 656         [[o_mi title] isEqualToString: _NS("Slower")] )
 657     {
 658         if( p_playlist != NULL && p_input != NULL )
 659         {
 660             vlc_mutex_lock( &p_input->stream.stream_lock );
 661             bEnabled = p_input->stream.b_pace_control;
 662             vlc_mutex_unlock( &p_input->stream.stream_lock );
 663         }
 664         else
 665         {
 666             bEnabled = FALSE;
 667         }
 668     }
 669     else if( [[o_mi title] isEqualToString: _NS("Stop")] )
 670     {
 671         if( p_playlist == NULL || p_input == NULL )
 672         {
 673             bEnabled = FALSE;
 674         }
 675     }
 676     else if( [[o_mi title] isEqualToString: _NS("Previous")] ||
 677              [[o_mi title] isEqualToString: _NS("Next")] )
 678     {
 679         if( p_playlist == NULL )
 680         {
 681             bEnabled = FALSE;
 682         }
 683         else
 684         {
 685             bEnabled = p_playlist->i_size > 1;
 686
 687             if( p_input != NULL )
 688             {
 689                 vlc_mutex_lock( &p_input->stream.stream_lock );
 690                 bEnabled |= p_input->stream.p_selected_area->i_part_nb > 1;
 691                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 692             }
 693         }
 694     }
 695     else if( [[o_mi title] isEqualToString: _NS("Loop")] )
 696     {
 697         int i_state = config_GetInt( p_playlist, "loop" ) ?
 698                       NSOnState : NSOffState;
 699
 700         [o_mi setState: i_state];
 701     }
 702     else if( [[o_mi title] isEqualToString: _NS("Step Forward")] ||
 703              [[o_mi title] isEqualToString: _NS("Step Backward")] )
 704     {
 705         if( p_playlist != NULL && p_input != NULL )
 706         {
 707             vlc_mutex_lock( &p_input->stream.stream_lock );
 708             bEnabled = p_input->stream.b_seekable;
 709             vlc_mutex_unlock( &p_input->stream.stream_lock );
 710         }
 711         else
 712         {
 713             bEnabled = FALSE;
 714         }
 715     }
 716     else if( [[o_mi title] isEqualToString: _NS("Mute")] )
 717     {
 718         [o_mi setState: p_intf->p_sys->b_mute ? NSOnState : NSOffState];
 719     }
 720     else if( [[o_mi title] isEqualToString: _NS("Fullscreen")] ||
 721                 [[o_mi title] isEqualToString: _NS("Half Size")] ||
 722                 [[o_mi title] isEqualToString: _NS("Normal Size")] ||
 723                 [[o_mi title] isEqualToString: _NS("Double Size")] ||
 724                 [[o_mi title] isEqualToString: _NS("Float On Top")] )
 725     {
 726         id o_window;
 727         NSArray *o_windows = [NSApp windows];
 728         NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 729         bEnabled = FALSE;
 730
 731         if ( [[o_mi title] isEqualToString: _NS("Float On Top")] )
 732         {
 733             int i_state = config_GetInt( p_playlist, "macosx-float" ) ?
 734                       NSOnState : NSOffState;
 735             [o_mi setState: i_state];
 736         }
 737
 738         while ((o_window = [o_enumerator nextObject]))
 739         {
 740             if( [[o_window className] isEqualToString: @"VLCWindow"] )
 741             {
 742                 bEnabled = TRUE;
 743                 break;
 744             }
 745         }
 746     }
 747     else if( [[o_mi title] isEqualToString: _NS("Float On Top")] )
 748     {
 749
 750         bEnabled = TRUE;
 751     }
 752     else if( o_menu != nil &&
 753              [[o_menu title] isEqualToString: _NS("Deinterlace")] )
 754     {
 755         char * psz_filter = config_GetPsz( p_intf, "filter" );
 756
 757         if( psz_filter != NULL )
 758         {
 759             free( psz_filter );
 760
 761             psz_filter = config_GetPsz( p_intf, "deinterlace-mode" );
 762         }
 763
 764         if( psz_filter != NULL )
 765         {
 766             if( strcmp( psz_filter, [[o_mi title] lossyCString] ) == 0 )
 767             {
 768                 [o_mi setState: NSOnState];
 769             }
 770             else
 771             {
 772                 [o_mi setState: NSOffState];
 773             }
 774
 775             free( psz_filter );
 776         }
 777         else
 778         {
 779             if( [[o_mi title] isEqualToString: @"none"] )
 780             {
 781                 [o_mi setState: NSOnState];
 782             }
 783             else
 784             {
 785                 [o_mi setState: NSOffState];
 786             }
 787         }
 788     }
 789
 790     if( p_playlist != NULL )
 791     {
 792         vlc_mutex_unlock( &p_playlist->object_lock );
 793         vlc_object_release( p_playlist );
 794     }
 795
 796     return( bEnabled );
 797 }
 798
 799 @end