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 1.50 2003/10/31 15:54:53 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 #include <osd.h>
  38
  39 /*****************************************************************************
  40  * VLCControls implementation
  41  *****************************************************************************/
  42 @implementation VLCControls
  43
  44 - (IBAction)play:(id)sender
  45 {
  46     intf_thread_t * p_intf = [NSApp getIntf];
  47
  48     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  49                                                        FIND_ANYWHERE );
  50     if( p_playlist == NULL )
  51     {
  52         return;
  53     }
  54
  55     if( playlist_IsPlaying( p_playlist ) )
  56     {
  57         vout_OSDMessage( p_intf, _( "Pause" ) );
  58         playlist_Pause( p_playlist );
  59         vlc_object_release( p_playlist );
  60     }
  61     else
  62     {
  63         if( !playlist_IsEmpty( p_playlist ) )
  64         {
  65             playlist_Play( p_playlist );
  66             vout_OSDMessage( p_intf, _( "Play" ) );
  67             vlc_object_release( p_playlist );
  68         }
  69         else
  70         {
  71             vlc_object_release( p_playlist );
  72             [o_open openFileGeneric: nil];
  73         }
  74     }
  75 }
  76
  77 - (IBAction)stop:(id)sender
  78 {
  79     intf_thread_t * p_intf = [NSApp getIntf];
  80     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  81                                                        FIND_ANYWHERE );
  82     if( p_playlist != NULL )
  83     {
  84         vout_OSDMessage( p_intf, _( "Stop" ) );
  85         playlist_Stop( p_playlist );
  86         vlc_object_release( p_playlist );
  87     }
  88 }
  89
  90 - (IBAction)faster:(id)sender
  91 {
  92     intf_thread_t * p_intf = [NSApp getIntf];
  93     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
  94                                                        FIND_ANYWHERE );
  95     if( p_input != NULL )
  96     {
  97         vlc_value_t val; val.b_bool = VLC_TRUE;
  98
  99         var_Set( p_input, "rate-faster", val );
 100         vout_OSDMessage( p_intf, _( "Faster" ) );
 101         vlc_object_release( p_input );
 102     }
 103 }
 104
 105 - (IBAction)slower:(id)sender
 106 {
 107     intf_thread_t * p_intf = [NSApp getIntf];
 108     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 109                                                        FIND_ANYWHERE );
 110     if( p_input != NULL )
 111     {
 112         vlc_value_t val; val.b_bool = VLC_TRUE;
 113
 114         var_Set( p_input, "rate-slower", val );
 115         vout_OSDMessage( p_intf, _( "Slower" ) );
 116         vlc_object_release( p_input );
 117     }
 118 }
 119
 120 - (IBAction)prev:(id)sender
 121 {
 122     vlc_value_t val;
 123     intf_thread_t * p_intf = [NSApp getIntf];
 124
 125     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 126                                                        FIND_ANYWHERE );
 127     if( p_playlist == NULL )
 128     {
 129         return;
 130     }
 131
 132     vlc_mutex_lock( &p_playlist->object_lock );
 133
 134     if( p_playlist->p_input == NULL )
 135     {
 136         vlc_mutex_unlock( &p_playlist->object_lock );
 137         vlc_object_release( p_playlist );
 138         return;
 139     }
 140
 141     vlc_mutex_lock( &p_playlist->p_input->stream.stream_lock );
 142     val.b_bool = VLC_TRUE;
 143
 144 #define p_area p_playlist->p_input->stream.p_selected_area
 145     if( p_area->i_part > 0 && p_area->i_part_nb > 1)
 146     {
 147         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 148         var_Set( p_playlist->p_input, "prev-chapter", val );
 149         vlc_mutex_unlock( &p_playlist->object_lock );
 150     }
 151     else if( p_area->i_id > 1 )
 152     {
 153         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 154         var_Set( p_playlist->p_input, "prev-title", val );
 155         vlc_mutex_unlock( &p_playlist->object_lock );
 156     }
 157     else
 158     {
 159         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 160         vlc_mutex_unlock( &p_playlist->object_lock );
 161         playlist_Prev( p_playlist );
 162     }
 163 #undef p_area
 164
 165     vlc_object_release( p_playlist );
 166     vout_OSDMessage( p_intf, _( "Previous" ) );
 167 }
 168
 169 - (IBAction)next:(id)sender
 170 {
 171     vlc_value_t val;
 172     intf_thread_t * p_intf = [NSApp getIntf];
 173
 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     vlc_mutex_lock( &p_playlist->object_lock );
 182
 183     if( p_playlist->p_input == NULL )
 184     {
 185         vlc_mutex_unlock( &p_playlist->object_lock );
 186         vlc_object_release( p_playlist );
 187         return;
 188     }
 189
 190     vlc_mutex_lock( &p_playlist->p_input->stream.stream_lock );
 191     val.b_bool = VLC_TRUE;
 192
 193 #define p_area p_playlist->p_input->stream.p_selected_area
 194     if( p_area->i_part < p_area->i_part_nb - 1 && p_area->i_part_nb > 1 )
 195     {
 196         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 197         var_Set( p_playlist->p_input, "next-chapter", val );
 198         vlc_mutex_unlock( &p_playlist->object_lock );
 199     }
 200     else if( p_area->i_id < p_playlist->p_input->stream.i_area_nb && p_playlist->p_input->stream.i_area_nb > 1 )
 201     {
 202         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 203         var_Set( p_playlist->p_input, "next-title", val );
 204         vlc_mutex_unlock( &p_playlist->object_lock );
 205     }
 206     else
 207     {
 208         vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 209         vlc_mutex_unlock( &p_playlist->object_lock );
 210         playlist_Next( p_playlist );
 211     }
 212 #undef p_area
 213
 214     vlc_object_release( p_playlist );
 215     vout_OSDMessage( p_intf, _( "Next" ) );
 216 }
 217
 218 - (IBAction)random:(id)sender
 219 {
 220     intf_thread_t * p_intf = [NSApp getIntf];
 221     vlc_value_t val;
 222     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 223                                                        FIND_ANYWHERE );
 224     if( p_playlist == NULL )
 225     {
 226         return;
 227     }
 228
 229     var_Get( p_playlist, "random", &val );
 230     val.b_bool = !val.b_bool;
 231     var_Set( p_playlist, "random", val );
 232     if( val.b_bool )
 233     {
 234         vout_OSDMessage( p_intf, _( "Shuffle On" ) );
 235     }
 236     else
 237     {
 238         vout_OSDMessage( p_intf, _( "Shuffle Off" ) );
 239     }
 240
 241     vlc_object_release( p_playlist );
 242 }
 243
 244 - (IBAction)repeat:(id)sender
 245 {
 246     intf_thread_t * p_intf = [NSApp getIntf];
 247     vlc_value_t val;
 248     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 249                                                        FIND_ANYWHERE );
 250     if( p_playlist == NULL )
 251     {
 252         return;
 253     }
 254
 255     var_Get( p_playlist, "repeat", &val );
 256     val.b_bool = !val.b_bool;
 257     var_Set( p_playlist, "repeat", val );
 258     if( val.b_bool )
 259     {
 260         vout_OSDMessage( p_intf, _( "Repeat On" ) );
 261     }
 262     else
 263     {
 264         vout_OSDMessage( p_intf, _( "Repeat Off" ) );
 265     }
 266
 267     vlc_object_release( p_playlist );
 268 }
 269
 270 - (IBAction)loop:(id)sender
 271 {
 272     intf_thread_t * p_intf = [NSApp getIntf];
 273     vlc_value_t val;
 274     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 275                                                        FIND_ANYWHERE );
 276     if( p_playlist == NULL )
 277     {
 278         return;
 279     }
 280
 281     var_Get( p_playlist, "loop", &val );
 282     val.b_bool = !val.b_bool;
 283     var_Set( p_playlist, "loop", val );
 284     if( val.b_bool )
 285     {
 286         vout_OSDMessage( p_intf, _( "Loop On" ) );
 287     }
 288     else
 289     {
 290         vout_OSDMessage( p_intf, _( "Loop Off" ) );
 291     }
 292
 293     vlc_object_release( p_playlist );
 294 }
 295
 296 - (IBAction)forward:(id)sender
 297 {
 298     intf_thread_t * p_intf = [NSApp getIntf];
 299     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 300                                                        FIND_ANYWHERE );
 301     if( p_input != NULL )
 302     {
 303         vlc_value_t time;
 304         time.i_time = 5 * 1000000;
 305         var_Set( p_input, "time-offset", time );
 306         vlc_object_release( p_input );
 307     }
 308 }
 309
 310 - (IBAction)backward:(id)sender
 311 {
 312     intf_thread_t * p_intf = [NSApp getIntf];
 313     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 314                                                        FIND_ANYWHERE );
 315     if( p_input != NULL )
 316     {
 317         vlc_value_t time;
 318         time.i_time = -5 * 1000000;
 319         var_Set( p_input, "time-offset", time );
 320         vlc_object_release( p_input );
 321     }
 322 }
 323
 324 - (IBAction)volumeUp:(id)sender
 325 {
 326     intf_thread_t * p_intf = [NSApp getIntf];
 327
 328     if( p_intf->p_sys->b_mute )
 329     {
 330         [self mute: nil];
 331     }
 332
 333     aout_VolumeUp( p_intf, 1, NULL );
 334
 335     [self updateVolumeSlider];
 336 }
 337
 338 - (IBAction)volumeDown:(id)sender
 339 {
 340     intf_thread_t * p_intf = [NSApp getIntf];
 341
 342     if( p_intf->p_sys->b_mute )
 343     {
 344         [self mute: nil];
 345     }
 346
 347     aout_VolumeDown( p_intf, 1, NULL );
 348
 349     [self updateVolumeSlider];
 350 }
 351
 352 - (IBAction)mute:(id)sender
 353 {
 354     intf_thread_t * p_intf = [NSApp getIntf];
 355     audio_volume_t i_volume;
 356
 357     aout_VolumeMute( p_intf, &i_volume );
 358     p_intf->p_sys->b_mute = ( i_volume == 0 );
 359
 360     [self updateVolumeSlider];
 361 }
 362
 363 - (IBAction)volumeSliderUpdated:(id)sender
 364 {
 365     intf_thread_t * p_intf = [NSApp getIntf];
 366     audio_volume_t i_volume = (audio_volume_t)[sender intValue];
 367
 368     aout_VolumeSet( p_intf, i_volume * AOUT_VOLUME_STEP );
 369 }
 370
 371 - (void)updateVolumeSlider
 372 {
 373     intf_thread_t * p_intf = [NSApp getIntf];
 374     audio_volume_t i_volume;
 375     char string[9];
 376
 377     aout_VolumeGet( p_intf, &i_volume );
 378
 379     [o_volumeslider setFloatValue: (float)(i_volume / AOUT_VOLUME_STEP)];
 380
 381     sprintf( string, "Vol %d%%", i_volume*100/AOUT_VOLUME_MAX );
 382     vout_OSDMessage( p_intf, string );
 383 }
 384
 385 - (IBAction)windowAction:(id)sender
 386 {
 387     id o_window = [NSApp keyWindow];
 388     NSString *o_title = [sender title];
 389     NSArray *o_windows = [NSApp windows];
 390     NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 391     vout_thread_t   *p_vout = vlc_object_find( [NSApp getIntf], VLC_OBJECT_VOUT,
 392                                               FIND_ANYWHERE );
 393
 394     if( p_vout != NULL )
 395     {
 396         while ((o_window = [o_enumerator nextObject]))
 397         {
 398             if( [[o_window className] isEqualToString: @"VLCWindow"] )
 399             {
 400                 if( [o_title isEqualToString: _NS("Fullscreen") ] )
 401                     [o_window toggleFullscreen];
 402                 else if( [o_title isEqualToString: _NS("Half Size") ] )
 403                     [o_window scaleWindowWithFactor: 0.5];
 404                 else if( [o_title isEqualToString: _NS("Normal Size") ] )
 405                     [o_window scaleWindowWithFactor: 1.0];
 406                 else if( [o_title isEqualToString: _NS("Double Size") ] )
 407                     [o_window scaleWindowWithFactor: 2.0];
 408                 else if( [o_title isEqualToString: _NS("Float On Top") ] )
 409                     [o_window toggleFloatOnTop];
 410                 else if( [o_title isEqualToString: _NS("Fit To Screen") ] )
 411                 {
 412                     if( ![o_window isZoomed] )
 413                         [o_window performZoom:self];
 414                 }
 415             }
 416         }
 417         vlc_object_release( (vlc_object_t *)p_vout );
 418     }
 419 }
 420
 421 - (void)setupVarMenuItem:(NSMenuItem *)o_mi
 422                     target:(vlc_object_t *)p_object
 423                     var:(const char *)psz_variable
 424                     selector:(SEL)pf_callback
 425 {
 426     vlc_value_t val, text;
 427     int i_type = var_Type( p_object, psz_variable );
 428
 429     switch( i_type & VLC_VAR_TYPE )
 430     {
 431     case VLC_VAR_VOID:
 432     case VLC_VAR_BOOL:
 433     case VLC_VAR_VARIABLE:
 434     case VLC_VAR_STRING:
 435     case VLC_VAR_INTEGER:
 436         break;
 437     default:
 438         /* Variable doesn't exist or isn't handled */
 439         return;
 440     }
 441
 442     /* Make sure we want to display the variable */
 443     if( i_type & VLC_VAR_HASCHOICE )
 444     {
 445         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 446         if( val.i_int == 0 ) return;
 447         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 448             return;
 449     }
 450
 451     /* Get the descriptive name of the variable */
 452     var_Change( p_object, psz_variable, VLC_VAR_GETTEXT, &text, NULL );
 453     [o_mi setTitle: [NSApp localizedString: text.psz_string ?
 454                                         text.psz_string : strdup( psz_variable ) ]];
 455
 456     var_Get( p_object, psz_variable, &val );
 457     if( i_type & VLC_VAR_HASCHOICE )
 458     {
 459         NSMenu *o_menu = [o_mi submenu];
 460
 461         [self setupVarMenu: o_menu forMenuItem: o_mi target:p_object
 462                         var:psz_variable selector:pf_callback];
 463
 464         if( text.psz_string ) free( text.psz_string );
 465         return;
 466     }
 467
 468     VLCMenuExt *o_data;
 469     switch( i_type & VLC_VAR_TYPE )
 470     {
 471     case VLC_VAR_VOID:
 472         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 473                 Value: val ofType: i_type];
 474         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 475         break;
 476
 477     case VLC_VAR_BOOL:
 478         o_data = [[VLCMenuExt alloc] initWithVar: psz_variable Object: p_object->i_object_id
 479                 Value: val ofType: i_type];
 480         [o_mi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 481         [o_mi setState: val.b_bool ? TRUE : FALSE ];
 482         break;
 483
 484     default:
 485         if( text.psz_string ) free( text.psz_string );
 486         return;
 487     }
 488
 489     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 490     if( text.psz_string ) free( text.psz_string );
 491 }
 492
 493
 494 - (void)setupVarMenu:(NSMenu *)o_menu
 495                     forMenuItem: (NSMenuItem *)o_parent
 496                     target:(vlc_object_t *)p_object
 497                     var:(const char *)psz_variable
 498                     selector:(SEL)pf_callback
 499 {
 500     vlc_value_t val, val_list, text_list;
 501     int i_type, i, i_nb_items;
 502
 503     /* remove previous items */
 504     i_nb_items = [o_menu numberOfItems];
 505     for( i = 0; i < i_nb_items; i++ )
 506     {
 507         [o_menu removeItemAtIndex: 0];
 508     }
 509
 510     /* Check the type of the object variable */
 511     i_type = var_Type( p_object, psz_variable );
 512
 513     /* Make sure we want to display the variable */
 514     if( i_type & VLC_VAR_HASCHOICE )
 515     {
 516         var_Change( p_object, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
 517         if( val.i_int == 0 ) return;
 518         if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
 519             return;
 520     }
 521     else
 522     {
 523         return;
 524     }
 525
 526     switch( i_type & VLC_VAR_TYPE )
 527     {
 528     case VLC_VAR_VOID:
 529     case VLC_VAR_BOOL:
 530     case VLC_VAR_VARIABLE:
 531     case VLC_VAR_STRING:
 532     case VLC_VAR_INTEGER:
 533         break;
 534     default:
 535         /* Variable doesn't exist or isn't handled */
 536         return;
 537     }
 538
 539     if( var_Get( p_object, psz_variable, &val ) < 0 )
 540     {
 541         return;
 542     }
 543
 544     if( var_Change( p_object, psz_variable, VLC_VAR_GETLIST,
 545                     &val_list, &text_list ) < 0 )
 546     {
 547         if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 548         return;
 549     }
 550
 551     /* make (un)sensitive */
 552     [o_parent setEnabled: ( val_list.p_list->i_count > 1 )];
 553
 554     for( i = 0; i < val_list.p_list->i_count; i++ )
 555     {
 556         vlc_value_t another_val;
 557         NSMenuItem * o_lmi;
 558         NSString *o_title = @"";
 559         VLCMenuExt *o_data;
 560
 561         switch( i_type & VLC_VAR_TYPE )
 562         {
 563         case VLC_VAR_VARIABLE:
 564
 565             /* This is causing crashes for the moment.
 566             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 567                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 568
 569             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 570                 Value: val ofType: i_type];
 571             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 572
 573             // Create a submenu
 574             NSMenu *o_menu = [o_lmi submenu];
 575
 576             [self setupVarMenu: o_menu forMenuItem: o_lmi target:p_object
 577                             var:psz_variable selector:pf_callback];
 578 */
 579             return;
 580
 581         case VLC_VAR_STRING:
 582             another_val.psz_string =
 583                 strdup(val_list.p_list->p_values[i].psz_string);
 584
 585             o_title = [NSApp localizedString: text_list.p_list->p_values[i].psz_string ?
 586                 text_list.p_list->p_values[i].psz_string : val_list.p_list->p_values[i].psz_string ];
 587
 588             o_lmi = [o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""];
 589             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 590                     Value: another_val ofType: i_type];
 591             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[o_data retain]]];
 592             [o_lmi setTarget: self];
 593
 594             if( !strcmp( val.psz_string, val_list.p_list->p_values[i].psz_string ) )
 595                 [o_lmi setState: TRUE ];
 596
 597             break;
 598
 599         case VLC_VAR_INTEGER:
 600
 601              o_title = text_list.p_list->p_values[i].psz_string ?
 602                                  [NSApp localizedString: strdup( text_list.p_list->p_values[i].psz_string )] :
 603                                  [NSString stringWithFormat: @"%d",
 604                                  val_list.p_list->p_values[i].i_int];
 605
 606             o_lmi = [[o_menu addItemWithTitle: o_title action: pf_callback keyEquivalent: @""] retain ];
 607             o_data = [[VLCMenuExt alloc] initWithVar: strdup(psz_variable) Object: p_object->i_object_id
 608                     Value: val_list.p_list->p_values[i] ofType: i_type];
 609             [o_lmi setRepresentedObject: [NSValue valueWithPointer:[ o_data retain]]];
 610             [o_lmi setTarget: self];
 611
 612             if( val_list.p_list->p_values[i].i_int == val.i_int )
 613                 [o_lmi setState: TRUE ];
 614             break;
 615
 616         default:
 617           break;
 618         }
 619     }
 620
 621     /* clean up everything */
 622     if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
 623     var_Change( p_object, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list );
 624 }
 625
 626 - (IBAction)toggleVar:(id)sender
 627 {
 628     NSMenuItem *o_mi = (NSMenuItem *)sender;
 629     VLCMenuExt *o_data = [[o_mi representedObject] pointerValue];
 630     [NSThread detachNewThreadSelector: @selector(toggleVarThread:)
 631         toTarget: self withObject: o_data];
 632
 633     return;
 634 }
 635
 636 - (int)toggleVarThread: (id)_o_data
 637 {
 638     vlc_object_t *p_object;
 639     NSAutoreleasePool * o_pool = [[NSAutoreleasePool alloc] init];
 640     VLCMenuExt *o_data = (VLCMenuExt *)_o_data;
 641
 642     vlc_thread_set_priority( [NSApp getIntf] , VLC_THREAD_PRIORITY_LOW );
 643
 644     p_object = (vlc_object_t *)vlc_object_get( [NSApp getIntf],
 645                                     [o_data objectID] );
 646
 647     if( p_object != NULL )
 648     {
 649         var_Set( p_object, strdup([o_data name]), [o_data value] );
 650         vlc_object_release( p_object );
 651         [o_pool release];
 652         return VLC_TRUE;
 653     }
 654     [o_pool release];
 655     return VLC_EGENERIC;
 656 }
 657
 658 @end
 659
 660 @implementation VLCControls (NSMenuValidation)
 661
 662 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 663 {
 664     BOOL bEnabled = TRUE;
 665     vlc_value_t val;
 666     intf_thread_t * p_intf = [NSApp getIntf];
 667     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 668                                                        FIND_ANYWHERE );
 669
 670     if( p_playlist != NULL )
 671     {
 672         vlc_mutex_lock( &p_playlist->object_lock );
 673     }
 674
 675 #define p_input p_playlist->p_input
 676
 677     if( [[o_mi title] isEqualToString: _NS("Faster")] ||
 678         [[o_mi title] isEqualToString: _NS("Slower")] )
 679     {
 680         if( p_playlist != NULL && p_input != NULL )
 681         {
 682             vlc_mutex_lock( &p_input->stream.stream_lock );
 683             bEnabled = p_input->stream.b_pace_control;
 684             vlc_mutex_unlock( &p_input->stream.stream_lock );
 685         }
 686         else
 687         {
 688             bEnabled = FALSE;
 689         }
 690     }
 691     else if( [[o_mi title] isEqualToString: _NS("Stop")] )
 692     {
 693         if( p_playlist == NULL || p_input == NULL )
 694         {
 695             bEnabled = FALSE;
 696         }
 697     }
 698     else if( [[o_mi title] isEqualToString: _NS("Previous")] ||
 699              [[o_mi title] isEqualToString: _NS("Next")] )
 700     {
 701         if( p_playlist == NULL )
 702         {
 703             bEnabled = FALSE;
 704         }
 705         else
 706         {
 707             bEnabled = p_playlist->i_size > 1;
 708
 709             if( p_input != NULL )
 710             {
 711                 vlc_mutex_lock( &p_input->stream.stream_lock );
 712                 bEnabled |= p_input->stream.i_area_nb > 1;
 713                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 714             }
 715         }
 716     }
 717     else if( [[o_mi title] isEqualToString: _NS("Shuffle")] )
 718     {
 719         int i_state;
 720         var_Get( p_playlist, "random", &val );
 721         i_state = val.b_bool ? NSOnState : NSOffState;
 722         [o_mi setState: i_state];
 723     }
 724     else if( [[o_mi title] isEqualToString: _NS("Repeat Item")] )
 725     {
 726         int i_state;
 727         var_Get( p_playlist, "repeat", &val );
 728         i_state = val.b_bool ? NSOnState : NSOffState;
 729         [o_mi setState: i_state];
 730     }
 731     else if( [[o_mi title] isEqualToString: _NS("Repeat Playlist")] )
 732     {
 733         int i_state;
 734         var_Get( p_playlist, "loop", &val );
 735         i_state = val.b_bool ? NSOnState : NSOffState;
 736         [o_mi setState: i_state];
 737     }
 738     else if( [[o_mi title] isEqualToString: _NS("Step Forward")] ||
 739              [[o_mi title] isEqualToString: _NS("Step Backward")] )
 740     {
 741         if( p_playlist != NULL && p_input != NULL )
 742         {
 743             vlc_mutex_lock( &p_input->stream.stream_lock );
 744             bEnabled = p_input->stream.b_seekable;
 745             vlc_mutex_unlock( &p_input->stream.stream_lock );
 746         }
 747         else
 748         {
 749             bEnabled = FALSE;
 750         }
 751     }
 752     else if( [[o_mi title] isEqualToString: _NS("Mute")] )
 753     {
 754         [o_mi setState: p_intf->p_sys->b_mute ? NSOnState : NSOffState];
 755     }
 756     else if( [[o_mi title] isEqualToString: _NS("Fullscreen")] ||
 757                 [[o_mi title] isEqualToString: _NS("Half Size")] ||
 758                 [[o_mi title] isEqualToString: _NS("Normal Size")] ||
 759                 [[o_mi title] isEqualToString: _NS("Double Size")] ||
 760                 [[o_mi title] isEqualToString: _NS("Fit To Screen")] ||
 761                 [[o_mi title] isEqualToString: _NS("Float On Top")] )
 762     {
 763         id o_window;
 764         NSArray *o_windows = [NSApp windows];
 765         NSEnumerator *o_enumerator = [o_windows objectEnumerator];
 766         bEnabled = FALSE;
 767
 768         if ( [[o_mi title] isEqualToString: _NS("Float On Top")] )
 769         {
 770             int i_state = config_GetInt( p_playlist, "macosx-float" ) ?
 771                       NSOnState : NSOffState;
 772             [o_mi setState: i_state];
 773         }
 774
 775         vout_thread_t   *p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 776                                               FIND_ANYWHERE );
 777         if( p_vout != NULL )
 778         {
 779             while ((o_window = [o_enumerator nextObject]))
 780             {
 781                 if( [[o_window className] isEqualToString: @"VLCWindow"] )
 782                 {
 783                     bEnabled = TRUE;
 784                     break;
 785                 }
 786             }
 787             vlc_object_release( (vlc_object_t *)p_vout );
 788         }
 789     }
 790
 791     if( p_playlist != NULL )
 792     {
 793         vlc_mutex_unlock( &p_playlist->object_lock );
 794         vlc_object_release( p_playlist );
 795     }
 796
 797     return( bEnabled );
 798 }
 799
 800 @end
 801
 802 /*****************************************************************************
 803  * VLCMenuExt implementation
 804  *****************************************************************************
 805  * Object connected to a playlistitem which remembers the data belonging to
 806  * the variable of the autogenerated menu
 807  *****************************************************************************/
 808 @implementation VLCMenuExt
 809
 810 - (id)initWithVar: (const char *)_psz_name Object: (int)i_id
 811         Value: (vlc_value_t)val ofType: (int)_i_type
 812 {
 813     self = [super init];
 814
 815     if( self != nil )
 816     {
 817         psz_name = strdup( _psz_name );
 818         i_object_id = i_id;
 819         value = val;
 820         i_type = _i_type;
 821     }
 822
 823     return( self );
 824 }
 825
 826 - (void)dealloc
 827 {
 828     free( psz_name );
 829 }
 830
 831 - (char *)name
 832 {
 833     return psz_name;
 834 }
 835
 836 - (int)objectID
 837 {
 838     return i_object_id;
 839 }
 840
 841 - (vlc_value_t)value
 842 {
 843     return value;
 844 }
 845
 846 - (int)type
 847 {
 848     return i_type;
 849 }
 850
 851 @end