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

   1 /*****************************************************************************
   2  * controls.m: MacOS X interface module
   3  *****************************************************************************
   4  * Copyright (C) 2002-2005 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
   8  *          Christophe Massiot <massiot@via.ecp.fr>
   9  *          Derk-Jan Hartman <hartman at videolan dot org>
  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 #include <osd.h>
  38
  39 /*****************************************************************************
  40  * VLCControls implementation
  41  *****************************************************************************/
  42 @implementation VLCControls
  43
  44 - (IBAction)play:(id)sender
  45 {
  46     vlc_value_t val;
  47     intf_thread_t * p_intf = VLCIntf;
  48     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  49                                         FIND_ANYWHERE );
  50     if( p_playlist )
  51     {
  52         vlc_mutex_lock( &p_playlist->object_lock );
  53         if( p_playlist->i_size <= 0 )
  54         {
  55             vlc_mutex_unlock( &p_playlist->object_lock );
  56             vlc_object_release( p_playlist );
  57             [o_main intfOpenFileGeneric: (id)sender];
  58         }
  59         else
  60         {
  61             vlc_mutex_unlock( &p_playlist->object_lock );
  62             vlc_object_release( p_playlist );
  63         }
  64
  65     }
  66     val.i_int = config_GetInt( p_intf, "key-play-pause" );
  67     var_Set( p_intf->p_vlc, "key-pressed", val );
  68 }
  69
  70 - (IBAction)stop:(id)sender
  71 {
  72     vlc_value_t val;
  73     intf_thread_t * p_intf = VLCIntf;
  74     val.i_int = config_GetInt( p_intf, "key-stop" );
  75     var_Set( p_intf->p_vlc, "key-pressed", val );
  76 }
  77
  78 - (IBAction)faster:(id)sender
  79 {
  80     vlc_value_t val;
  81     intf_thread_t * p_intf = VLCIntf;
  82     val.i_int = config_GetInt( p_intf, "key-faster" );
  83     var_Set( p_intf->p_vlc, "key-pressed", val );
  84 }
  85
  86 - (IBAction)slower:(id)sender
  87 {
  88     vlc_value_t val;
  89     intf_thread_t * p_intf = VLCIntf;
  90     val.i_int = config_GetInt( p_intf, "key-slower" );
  91     var_Set( p_intf->p_vlc, "key-pressed", val );
  92 }
  93
  94 - (IBAction)prev:(id)sender
  95 {
  96     vlc_value_t val;
  97     intf_thread_t * p_intf = VLCIntf;
  98     val.i_int = config_GetInt( p_intf, "key-prev" );
  99     var_Set( p_intf->p_vlc, "key-pressed", val );
 100 }
 101
 102 - (IBAction)next:(id)sender
 103 {
 104     vlc_value_t val;
 105     intf_thread_t * p_intf = VLCIntf;
 106     val.i_int = config_GetInt( p_intf, "key-next" );
 107     var_Set( p_intf->p_vlc, "key-pressed", val );
 108 }
 109
 110 - (IBAction)random:(id)sender
 111 {
 112     vlc_value_t val;
 113     intf_thread_t * p_intf = VLCIntf;
 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     var_Get( p_playlist, "random", &val );
 122     val.b_bool = !val.b_bool;
 123     var_Set( p_playlist, "random", val );
 124     if( val.b_bool )
 125     {
 126         vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Random On" ) );
 127     }
 128     else
 129     {
 130         vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Random Off" ) );
 131     }
 132
 133     p_intf->p_sys->b_playlist_update = VLC_TRUE;
 134     p_intf->p_sys->b_intf_update = VLC_TRUE;
 135     vlc_object_release( p_playlist );
 136 }
 137
 138 - (IBAction)repeat:(id)sender
 139 {
 140     vlc_value_t val;
 141     intf_thread_t * p_intf = VLCIntf;
 142     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 143                                                        FIND_ANYWHERE );
 144     if( p_playlist == NULL )
 145     {
 146         return;
 147     }
 148
 149     var_Get( p_playlist, "repeat", &val );
 150     if (!val.b_bool)
 151     {
 152         var_Set( p_playlist, "loop", val );
 153     }
 154     val.b_bool = !val.b_bool;
 155     var_Set( p_playlist, "repeat", val );
 156     if( val.b_bool )
 157     {
 158         vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat All" ) );
 159     }
 160     else
 161     {
 162         vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat Off" ) );
 163     }
 164
 165     p_intf->p_sys->b_playlist_update = VLC_TRUE;
 166     p_intf->p_sys->b_intf_update = VLC_TRUE;
 167     vlc_object_release( p_playlist );
 168 }
 169
 170 - (IBAction)loop:(id)sender
 171 {
 172     vlc_value_t val;
 173     intf_thread_t * p_intf = VLCIntf;
 174     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 175                                                        FIND_ANYWHERE );
 176     if( p_playlist == NULL )
 177     {
 178         return;
 179     }
 180
 181     var_Get( p_playlist, "loop", &val );
 182     if (!val.b_bool)
 183     {
 184         var_Set( p_playlist, "repeat", val );
 185     }
 186     val.b_bool = !val.b_bool;
 187     var_Set( p_playlist, "loop", val );
 188     if( val.b_bool )
 189     {
 190         vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat One" ) );
 191     }
 192     else
 193     {
 194         vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat Off" ) );
 195     }
 196
 197     p_intf->p_sys->b_playlist_update = VLC_TRUE;
 198     p_intf->p_sys->b_intf_update = VLC_TRUE;
 199     vlc_object_release( p_playlist );
 200 }
 201
 202 - (IBAction)forward:(id)sender
 203 {
 204     vlc_value_t val;
 205     intf_thread_t * p_intf = VLCIntf;
 206     val.i_int = config_GetInt( p_intf, "key-jump+10sec" );
 207     var_Set( p_intf->p_vlc, "key-pressed", val );
 208 }
 209
 210 - (IBAction)backward:(id)sender
 211 {
 212     vlc_value_t val;
 213     intf_thread_t * p_intf = VLCIntf;
 214     val.i_int = config_GetInt( p_intf, "key-jump-10sec" );
 215     var_Set( p_intf->p_vlc, "key-pressed", val );
 216 }
 217
 218
 219 - (IBAction)volumeUp:(id)sender
 220 {
 221     vlc_value_t val;
 222     intf_thread_t * p_intf = VLCIntf;
 223     val.i_int = config_GetInt( p_intf, "key-vol-up" );
 224     var_Set( p_intf->p_vlc, "key-pressed", val );
 225     [self updateVolumeSlider];
 226 }
 227
 228 - (IBAction)volumeDown:(id)sender
 229 {
 230     vlc_value_t val;
 231     intf_thread_t * p_intf = VLCIntf;
 232     val.i_int = config_GetInt( p_intf, "key-vol-down" );
 233     var_Set( p_intf->p_vlc, "key-pressed", val );
 234     [self updateVolumeSlider];
 235 }
 236
 237 - (IBAction)mute:(id)sender
 238 {
 239     vlc_value_t val;
 240     intf_thread_t * p_intf = VLCIntf;
 241     val.i_int = config_GetInt( p_intf, "key-vol-mute" );
 242     var_Set( p_intf->p_vlc, "key-pressed", val );
 243     [self updateVolumeSlider];
 244 }
 245
 246 - (IBAction)volumeSliderUpdated:(id)sender
 247 {
 248     intf_thread_t * p_intf = VLCIntf;
 249     audio_volume_t i_volume = (audio_volume_t)[sender intValue];
 250     aout_VolumeSet( p_intf, i_volume * AOUT_VOLUME_STEP );
 251     [self updateVolumeSlider];
 252 }
 253
 254 - (void)updateVolumeSlider
 255 {
 256     NSString * o_text;
 257     intf_thread_t * p_intf = VLCIntf;
 258     audio_volume_t i_volume;
 259
 260     aout_VolumeGet( p_intf, &i_volume );
 261
 262     o_text = [NSString stringWithFormat: @"Volume: %d", i_volume * 200 / AOUT_VOLUME_MAX];
 263     [o_main setScrollField:o_text stopAfter:1000000];
 264
 265     [o_volumeslider setFloatValue: (float)(i_volume / AOUT_VOLUME_STEP)];
 266 }
 267
 268 - (IBAction)windowAction:(id)sender
 269 {
 270     id o_window = [NSApp keyWindow];
 271     NSString *o_title = [sender title];
 272     NSArray *o_windows = [NSApp orderedWindows];
 273     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 274     vout_thread_t *p_vout = vlc_object_find( VLCIntf, VLC_OBJECT_VOUT,
 275                                               FIND_ANYWHERE );
 276
 277     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 278                                               FIND_ANYWHERE );
 279
 280     if( p_vout != NULL )
 281     {
 282         while ((o_window = [o_enumerator nextObject]))
 283         {
 284             if( [[o_window className] isEqualToString: @"VLCWindow"] )
 285             {
 286                 if( [o_title isEqualToString: _NS("Half Size") ] )
 287                     [o_window scaleWindowWithFactor: 0.5];
 288                 else if( [o_title isEqualToString: _NS("Normal Size") ] )
 289                     [o_window scaleWindowWithFactor: 1.0];
 290                 else if( [o_title isEqualToString: _NS("Double Size") ] )
 291                     [o_window scaleWindowWithFactor: 2.0];
 292                 else if( [o_title isEqualToString: _NS("Float on Top") ] )
 293                     [o_window toggleFloatOnTop];
 294                 else if( [o_title isEqualToString: _NS("Fit to Screen") ] )
 295                 {
 296                     if( ![o_window isZoomed] )
 297                         [o_window performZoom:self];
 298                 }
 299                 else if( [o_title isEqualToString: _NS("Snapshot") ] )
 300                 {
 301                     [o_window snapshot];
 302                 }
 303                 else
 304                 {
 305                     vlc_value_t val;
 306                     var_Get( p_vout, "fullscreen", &val );
 307                     var_Set( p_vout, "fullscreen", (vlc_value_t)!val.b_bool );
 308                 }
 309                 break;
 310             }
 311         }
 312         vlc_object_release( (vlc_object_t *)p_vout );
 313         if (p_playlist) vlc_object_release(p_playlist);
 314     }
 315
 316     else if ( p_playlist != NULL )
 317     {
 318         if (! ([o_title isEqualToString: _NS("Half Size") ] ||
 319                [o_title isEqualToString: _NS("Normal Size") ] ||
 320                [o_title isEqualToString: _NS("Double Size") ] ||
 321                [o_title isEqualToString: _NS("Float on Top") ] ||
 322                [o_title isEqualToString: _NS("Fit to Screen") ] ))
 323         {
 324             vlc_value_t val;
 325             var_Get( p_playlist, "fullscreen", &val );
 326             var_Set( p_playlist, "fullscreen", (vlc_value_t)!val.b_bool );
 327         }
 328     vlc_object_release( (vlc_object_t *)p_playlist );
 329     }
 330
 331 }
 332
 333 - (void)setupVarMenuItem:(NSMenuItem *)o_mi
 334                     target:(vlc_object_t *)p_object
 335                     var:(const char *)psz_variable
 336                     selector:(SEL)pf_callback
 337 {
 338     vlc_value_t val, text;
 339     int i_type = var_Type( p_object, psz_variable );
 340
 341     switch( i_type & VLC_VAR_TYPE )
 342     {
 343     case VLC_VAR_VOID:
 344     case VLC_VAR_BOOL:
 345     case VLC_VAR_VARIABLE:
 346     case VLC_VAR_STRING:
 347     case VLC_VAR_INTEGER:
 348         break;
 349     default:
 350         /* Variable doesn't exist or isn't handled */
 351         return;
 352     }
 353
 354     /* Make sure we want to display the variable */
 355     if( i_type & VLC_VAR_HASCHOICE )
 356     {
 357         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 358         if( val.i_int == 0 ) return;
 359         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 360             return;
 361     }
 362
 363     /* Get the descriptive name of the variable */
 364     var_Change( p_object, psz_variable, VLC_VAR_GETTEXT, &text, NULL );
 365     [o_mi setTitle: [[VLCMain sharedInstance] localizedString: text.psz_string ?
 366                                         text.psz_string : strdup( psz_variable ) ]];
 367
 368     var_Get( p_object, psz_variable, &val );
 369     if( i_type & VLC_VAR_HASCHOICE )
 370     {
 371         NSMenu *o_menu = [o_mi submenu];
 372
 373         [self setupVarMenu: o_menu forMenuItem: o_mi target:p_object
 374                         var:psz_variable selector:pf_callback];
 375
 376         if( text.psz_string ) free( text.psz_string );
 377         return;
 378     }
 379
 380     VLCMenuExt *o_data;
 381     switch( i_type & VLC_VAR_TYPE )
 382     {
 383     case VLC_VAR_VOID:
 384         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 385                 Value: val ofType: i_type];
 386         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 387         break;
 388
 389     case VLC_VAR_BOOL:
 390         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 391                 Value: val ofType: i_type];
 392         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 393         if( !( i_type & VLC_VAR_ISCOMMAND ) )
 394             [o_mi setState: val.b_bool ? TRUE : FALSE ];
 395         break;
 396
 397     default:
 398         if( text.psz_string ) free( text.psz_string );
 399         return;
 400     }
 401
 402     if( ( i_type & VLC_VAR_TYPE ) == VLC_VAR_STRING ) free( val.psz_string );
 403     if( text.psz_string ) free( text.psz_string );
 404 }
 405
 406
 407 - (void)setupVarMenu:(NSMenu *)o_menu
 408                     forMenuItem: (NSMenuItem *)o_parent
 409                     target:(vlc_object_t *)p_object
 410                     var:(const char *)psz_variable
 411                     selector:(SEL)pf_callback
 412 {
 413     vlc_value_t val, val_list, text_list;
 414     int i_type, i, i_nb_items;
 415
 416     /* remove previous items */
 417     i_nb_items = [o_menu numberOfItems];
 418     for( i = 0; i < i_nb_items; i++ )
 419     {
 420         [o_menu removeItemAtIndex: 0];
 421     }
 422
 423     /* Check the type of the object variable */
 424     i_type = var_Type( p_object, psz_variable );
 425
 426     /* Make sure we want to display the variable */
 427     if( i_type & VLC_VAR_HASCHOICE )
 428     {
 429         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 430         if( val.i_int == 0 ) return;
 431         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 432             return;
 433     }
 434     else
 435     {
 436         return;
 437     }
 438
 439     switch( i_type & VLC_VAR_TYPE )
 440     {
 441     case VLC_VAR_VOID:
 442     case VLC_VAR_BOOL:
 443     case VLC_VAR_VARIABLE:
 444     case VLC_VAR_STRING:
 445     case VLC_VAR_INTEGER:
 446         break;
 447     default:
 448         /* Variable doesn't exist or isn't handled */
 449         return;
 450     }
 451
 452     if( var_Get( p_object, psz_variable, &val ) < 0 )
 453     {
 454         return;
 455     }
 456
 457     if( var_Change( p_object, psz_variable, VLC_VAR_GETLIST,
 458                     &val_list, &text_list ) < 0 )
 459     {
 460         if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 461         return;
 462     }
 463
 464     /* make (un)sensitive */
 465     [o_parent setEnabled: ( val_list.p_list->i_count > 1 )];
 466
 467     for( i = 0; i < val_list.p_list->i_count; i++ )
 468     {
 469         vlc_value_t another_val;
 470         NSMenuItem * o_lmi;
 471         NSString *o_title = @"";
 472         VLCMenuExt *o_data;
 473
 474         switch( i_type & VLC_VAR_TYPE )
 475         {
 476         case VLC_VAR_STRING:
 477             another_val.psz_string =
 478                 strdup(val_list.p_list->p_values[i].psz_string);
 479
 480             o_title = [[VLCMain sharedInstance] localizedString: text_list.p_list->p_values[i].psz_string ?
 481                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 482
 483             o_lmi = [o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""];
 484             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 485                     Value: another_val ofType: i_type];
 486             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 487             [o_lmi setTarget: self];
 488
 489             if( !strcmp( val.psz_string, val_list.p_list->p_values[i].psz_string ) && !( i_type & VLC_VAR_ISCOMMAND ) )
 490                 [o_lmi setState: TRUE ];
 491
 492             break;
 493
 494         case VLC_VAR_INTEGER:
 495
 496              o_title = text_list.p_list->p_values[i].psz_string ?
 497                                  [[VLCMain sharedInstance] localizedString: strdup( text_list.p_list->p_values[i].psz_string )] :
 498                                  [NSString stringWithFormat: @"%d",
 499                                  val_list.p_list->p_values[i].i_int];
 500
 501             o_lmi = [[o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""] retain ];
 502             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 503                     Value: val_list.p_list->p_values[i] ofType: i_type];
 504             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[ o_data retain]]];
 505             [o_lmi setTarget: self];
 506
 507             if( val_list.p_list->p_values[i].i_int == val.i_int && !( i_type & VLC_VAR_ISCOMMAND ) )
 508                 [o_lmi setState: TRUE ];
 509             break;
 510
 511         default:
 512           break;
 513         }
 514     }
 515
 516     /* clean up everything */
 517     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 518     var_Change( p_object, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list );
 519 }
 520
 521 - (IBAction)toggleVar:(id)sender
 522 {
 523     NSMenuItem *o_mi = (NSMenuItem *)sender;
 524     VLCMenuExt *o_data = [[o_mi representedObject] pointerValue];
 525     [NSThread detachNewThreadSelector: @selector(toggleVarThread:)
 526         toTarget: self withObject: o_data];
 527
 528     return;
 529 }
 530
 531 - (int)toggleVarThread: (id)_o_data
 532 {
 533     vlc_object_t *p_object;
 534     NSAutoreleasePool * o_pool = [[NSAutoreleasePool alloc] init];
 535     VLCMenuExt *o_data = (VLCMenuExt *)_o_data;
 536
 537     vlc_thread_set_priority( VLCIntf , VLC_THREAD_PRIORITY_LOW );
 538
 539     p_object = (vlc_object_t *)vlc_object_get( VLCIntf,
 540                                     [o_data objectID] );
 541
 542     if( p_object != NULL )
 543     {
 544         var_Set( p_object, strdup([o_data name]), [o_data value] );
 545         vlc_object_release( p_object );
 546         [o_pool release];
 547         return VLC_TRUE;
 548     }
 549     [o_pool release];
 550     return VLC_EGENERIC;
 551 }
 552
 553 @end
 554
 555 @implementation VLCControls (NSMenuValidation)
 556
 557 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 558 {
 559     BOOL bEnabled = TRUE;
 560     vlc_value_t val;
 561     intf_thread_t * p_intf = VLCIntf;
 562     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 563                                                        FIND_ANYWHERE );
 564
 565     if( p_playlist != NULL )
 566     {
 567         vlc_mutex_lock( &p_playlist->object_lock );
 568     }
 569
 570 #define p_input p_playlist->p_input
 571
 572     if( [[o_mi title] isEqualToString: _NS("Faster")] ||
 573         [[o_mi title] isEqualToString: _NS("Slower")] )
 574     {
 575         if( p_playlist != NULL && p_input != NULL )
 576         {
 577             bEnabled = p_input->input.b_can_pace_control;
 578         }
 579         else
 580         {
 581             bEnabled = FALSE;
 582         }
 583     }
 584     else if( [[o_mi title] isEqualToString: _NS("Stop")] )
 585     {
 586         if( p_playlist == NULL || p_input == NULL )
 587         {
 588             bEnabled = FALSE;
 589         }
 590     }
 591     else if( [[o_mi title] isEqualToString: _NS("Previous")] ||
 592              [[o_mi title] isEqualToString: _NS("Next")] )
 593     {
 594         if( p_playlist == NULL )
 595         {
 596             bEnabled = FALSE;
 597         }
 598         else
 599         {
 600             bEnabled = p_playlist->i_size > 1;
 601         }
 602     }
 603     else if( [[o_mi title] isEqualToString: _NS("Random")] )
 604     {
 605         int i_state;
 606         var_Get( p_playlist, "random", &val );
 607         i_state = val.b_bool ? NSOnState : NSOffState;
 608         [o_mi setState: i_state];
 609     }
 610     else if( [[o_mi title] isEqualToString: _NS("Repeat One")] )
 611     {
 612         int i_state;
 613         var_Get( p_playlist, "repeat", &val );
 614         i_state = val.b_bool ? NSOnState : NSOffState;
 615         [o_mi setState: i_state];
 616     }
 617     else if( [[o_mi title] isEqualToString: _NS("Repeat All")] )
 618     {
 619         int i_state;
 620         var_Get( p_playlist, "loop", &val );
 621         i_state = val.b_bool ? NSOnState : NSOffState;
 622         [o_mi setState: i_state];
 623     }
 624     else if( [[o_mi title] isEqualToString: _NS("Step Forward")] ||
 625              [[o_mi title] isEqualToString: _NS("Step Backward")] )
 626     {
 627         bEnabled = FALSE;
 628         if( p_playlist != NULL && p_input != NULL )
 629         {
 630             var_Get( p_input, "seekable", &val);
 631             if( val.b_bool )
 632             {
 633                 bEnabled = TRUE;
 634             }
 635         }
 636     }
 637     else if( [[o_mi title] isEqualToString: _NS("Mute")] )
 638     {
 639         [o_mi setState: p_intf->p_sys->b_mute ? NSOnState : NSOffState];
 640     }
 641     else if( [[o_mi title] isEqualToString: _NS("Half Size")] ||
 642                 [[o_mi title] isEqualToString: _NS("Normal Size")] ||
 643                 [[o_mi title] isEqualToString: _NS("Double Size")] ||
 644                 [[o_mi title] isEqualToString: _NS("Fit to Screen")] ||
 645                 [[o_mi title] isEqualToString: _NS("Snapshot")] ||
 646                 [[o_mi title] isEqualToString: _NS("Float on Top")] )
 647     {
 648         id o_window;
 649         NSArray *o_windows = [NSApp orderedWindows];
 650         NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 651         bEnabled = FALSE;
 652
 653         vout_thread_t   *p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 654                                               FIND_ANYWHERE );
 655         if( p_vout != NULL )
 656         {
 657             if ( [[o_mi title] isEqualToString: _NS("Float on Top")] )
 658             {
 659                 var_Get( p_vout, "video-on-top", &val );
 660                 [o_mi setState: val.b_bool ?  NSOnState : NSOffState];
 661             }
 662
 663             while ((o_window = [o_enumerator nextObject]))
 664             {
 665                 if( [[o_window className] isEqualToString: @"VLCWindow"] )
 666                 {
 667                     bEnabled = TRUE;
 668                     break;
 669                 }
 670             }
 671             vlc_object_release( (vlc_object_t *)p_vout );
 672         }
 673     }
 674     else if( [[o_mi title] isEqualToString: _NS("Fullscreen")])
 675     {
 676         if (p_playlist)
 677         {
 678             var_Get(p_playlist, "fullscreen", &val );
 679             [o_mi setState: val.b_bool];
 680             bEnabled = TRUE;
 681         }
 682         else
 683         {
 684             bEnabled = FALSE;
 685         }
 686     }
 687
 688
 689     if( p_playlist != NULL )
 690     {
 691         vlc_mutex_unlock( &p_playlist->object_lock );
 692         vlc_object_release( p_playlist );
 693     }
 694
 695     return( bEnabled );
 696 }
 697
 698 @end
 699
 700 /*****************************************************************************
 701  * VLCMenuExt implementation
 702  *****************************************************************************
 703  * Object connected to a playlistitem which remembers the data belonging to
 704  * the variable of the autogenerated menu
 705  *****************************************************************************/
 706 @implementation VLCMenuExt
 707
 708 - (id)initWithVar: (const char *)_psz_name Object: (int)i_id
 709         Value: (vlc_value_t)val ofType: (int)_i_type
 710 {
 711     self = [super init];
 712
 713     if( self != nil )
 714     {
 715         psz_name = strdup( _psz_name );
 716         i_object_id = i_id;
 717         value = val;
 718         i_type = _i_type;
 719     }
 720
 721     return( self );
 722 }
 723
 724 - (void)dealloc
 725 {
 726     free( psz_name );
 727 }
 728
 729 - (char *)name
 730 {
 731     return psz_name;
 732 }
 733
 734 - (int)objectID
 735 {
 736     return i_object_id;
 737 }
 738
 739 - (vlc_value_t)value
 740 {
 741     return value;
 742 }
 743
 744 - (int)type
 745 {
 746     return i_type;
 747 }
 748
 749 @end