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

   1 /*****************************************************************************
   2  * prefs.m: MacOS X module for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
   8  *          Derk-Jan Hartman <hartman at videolan dot org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /* VLCPrefs manages the main preferences dialog
  26    the class is related to wxwindows intf, PrefsPanel */
  27 /* VLCTreeItem should contain:
  28    - the children of the treeitem
  29    - the associated prefs widgets
  30    - the documentview with all the prefs widgets in it
  31    - a saveChanges action
  32    - a revertChanges action
  33    - an advanced action (to hide/show advanced options)
  34    - a redraw view action
  35    - the children action should generate a list of the treeitems children (to be used by VLCPrefs datasource)
  36
  37    The class is sort of a mix of wxwindows intfs, PrefsTreeCtrl and ConfigTreeData
  38 */
  39 /* VLCConfigControl are subclassed NSView's containing and managing individual config items
  40    the classes are VERY closely related to wxwindows ConfigControls */
  41
  42 /*****************************************************************************
  43  * Preamble
  44  *****************************************************************************/
  45 #include <stdlib.h>                                      /* malloc(), free() */
  46 #include <sys/param.h>                                    /* for MAXPATHLEN */
  47 #include <string.h>
  48
  49 #ifdef HAVE_CONFIG_H
  50 # include "config.h"
  51 #endif
  52
  53 #include <vlc/vlc.h>
  54 #include <vlc_config_cat.h>
  55
  56 #include "intf.h"
  57 #include "prefs.h"
  58 #include "prefs_widgets.h"
  59 #include "vlc_keys.h"
  60
  61 /*****************************************************************************
  62  * VLCPrefs implementation
  63  *****************************************************************************/
  64 @implementation VLCPrefs
  65
  66 static VLCPrefs *_o_sharedMainInstance = nil;
  67
  68 + (VLCPrefs *)sharedInstance
  69 {
  70     return _o_sharedMainInstance ? _o_sharedMainInstance : [[self alloc] init];
  71 }
  72
  73 - (id)init
  74 {
  75     if( _o_sharedMainInstance ) {
  76         [self dealloc];
  77     }
  78     else
  79     {
  80         _o_sharedMainInstance = [super init];
  81         p_intf = VLCIntf;
  82         o_empty_view = [[NSView alloc] init];
  83     }
  84
  85     return _o_sharedMainInstance;
  86 }
  87
  88 - (void)dealloc
  89 {
  90     [o_empty_view release];
  91     [super dealloc];
  92 }
  93
  94 - (void)awakeFromNib
  95 {
  96     p_intf = VLCIntf;
  97     b_advanced = config_GetInt( p_intf, "advanced" );
  98
  99     [self initStrings];
 100     [o_advanced_ckb setState: b_advanced];
 101     [o_prefs_view setBorderType: NSGrooveBorder];
 102     [o_prefs_view setHasVerticalScroller: YES];
 103     [o_prefs_view setDrawsBackground: NO];
 104     [o_prefs_view setDocumentView: o_empty_view];
 105     [o_tree selectRow:0 byExtendingSelection:NO];
 106 }
 107
 108 - (void)setTitle: (NSString *) o_title_name
 109 {
 110     [o_title setStringValue: o_title_name];
 111 }
 112
 113 - (void)showPrefs
 114 {
 115     [o_prefs_window center];
 116     [o_prefs_window makeKeyAndOrderFront:self];
 117 }
 118
 119 - (void)initStrings
 120 {
 121     [o_prefs_window setTitle: _NS("Preferences")];
 122     [o_save_btn setTitle: _NS("Save")];
 123     [o_cancel_btn setTitle: _NS("Cancel")];
 124     [o_reset_btn setTitle: _NS("Reset All")];
 125     [o_advanced_ckb setTitle: _NS("Advanced")];
 126 }
 127
 128 - (IBAction)savePrefs: (id)sender
 129 {
 130     /* TODO: call savePrefs on Root item */
 131     [[VLCTreeItem rootItem] applyChanges];
 132     config_SaveConfigFile( p_intf, NULL );
 133     [o_prefs_window orderOut:self];
 134 }
 135
 136 - (IBAction)closePrefs: (id)sender
 137 {
 138     [o_prefs_window orderOut:self];
 139 }
 140
 141 - (IBAction)resetAll: (id)sender
 142 {
 143     NSBeginInformationalAlertSheet(_NS("Reset Preferences"), _NS("Cancel"),
 144         _NS("Continue"), nil, o_prefs_window, self,
 145         @selector(sheetDidEnd: returnCode: contextInfo:), NULL, nil,
 146         _NS("Beware this will reset the VLC media player preferences.\n"
 147             "Are you sure you want to continue?") );
 148 }
 149
 150 - (void)sheetDidEnd:(NSWindow *)o_sheet returnCode:(int)i_return
 151     contextInfo:(void *)o_context
 152 {
 153     if( i_return == NSAlertAlternateReturn )
 154     {
 155         [o_prefs_view setDocumentView: o_empty_view];
 156         config_ResetAll( p_intf );
 157         [[VLCTreeItem rootItem] resetView];
 158         [[o_tree itemAtRow:[o_tree selectedRow]]
 159             showView:o_prefs_view advancedView:
 160             ( [o_advanced_ckb state] == NSOnState ) ? VLC_TRUE : VLC_FALSE];
 161     }
 162 }
 163
 164 - (IBAction)advancedToggle: (id)sender
 165 {
 166     b_advanced = !b_advanced;
 167     [o_advanced_ckb setState: b_advanced];
 168     /* refresh the view of the current treeitem */
 169     [[o_tree itemAtRow:[o_tree selectedRow]] showView:o_prefs_view advancedView:
 170         ( [o_advanced_ckb state] == NSOnState ) ? VLC_TRUE : VLC_FALSE];
 171 }
 172
 173 - (void)loadConfigTree
 174 {
 175 }
 176
 177 - (void)outlineViewSelectionIsChanging:(NSNotification *)o_notification
 178 {
 179 }
 180
 181 /* update the document view to the view of the selected tree item */
 182 - (void)outlineViewSelectionDidChange:(NSNotification *)o_notification
 183 {
 184     [[o_tree itemAtRow:[o_tree selectedRow]] showView: o_prefs_view
 185         advancedView:( [o_advanced_ckb state] == NSOnState ) ?
 186         VLC_TRUE : VLC_FALSE];
 187 }
 188
 189 @end
 190
 191 @implementation VLCPrefs (NSTableDataSource)
 192
 193 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item {
 194     return (item == nil) ? [[VLCTreeItem rootItem] numberOfChildren] :
 195                             [item numberOfChildren];
 196 }
 197
 198 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
 199 {
 200     return (item == nil) ? YES : ( ([item numberOfChildren] != -1) &&
 201                                    ([item numberOfChildren] != 0));
 202 }
 203
 204 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item {
 205     return (item == nil) ? [[VLCTreeItem rootItem] childAtIndex:index] :
 206                             (id)[item childAtIndex:index];
 207 }
 208
 209 - (id)outlineView:(NSOutlineView *)outlineView
 210     objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 211 {
 212     return (item == nil) ? @"" : (id)[item getName];
 213 }
 214
 215 @end
 216
 217 @implementation VLCTreeItem
 218
 219 static VLCTreeItem *o_root_item = nil;
 220
 221 #define IsALeafNode ((id)-1)
 222
 223 - (id)initWithName: (NSString *)o_item_name
 224     withTitle: (NSString *)o_item_title
 225     withHelp: (NSString *)o_item_help
 226     ID: (int)i_id
 227     parent:(VLCTreeItem *)o_parent_item
 228     children:(NSMutableArray *)o_children_array
 229     whithCategory: (int) i_category
 230 {
 231     self = [super init];
 232
 233     if( self != nil )
 234     {
 235         o_name = [o_item_name copy];
 236         o_title= [o_item_title copy];
 237         o_help= [o_item_help copy];
 238         i_object_id = i_id;
 239         o_parent = o_parent_item;
 240         o_children = o_children_array;
 241         i_object_category = i_category;
 242         o_subviews = nil;
 243     }
 244     return( self );
 245 }
 246
 247 + (VLCTreeItem *)rootItem
 248 {
 249    if (o_root_item == nil)
 250         o_root_item = [[VLCTreeItem alloc] initWithName:@"main" withTitle:@"main" withHelp:@"" ID:0
 251             parent:nil children:[[NSMutableArray alloc] initWithCapacity:10]
 252             whithCategory: -1];
 253    return o_root_item;
 254 }
 255
 256 - (void)dealloc
 257 {
 258     if (o_children != IsALeafNode) [o_children release];
 259     [o_name release];
 260     [o_title release];
 261     [o_help release];
 262     [super dealloc];
 263 }
 264
 265 /* Creates and returns the array of children
 266  * Loads children incrementally */
 267 - (NSArray *)children
 268 {
 269     if( o_children == IsALeafNode )
 270         return o_children;
 271     if( [ o_children count] == 0 )
 272     {
 273         intf_thread_t   *p_intf = VLCIntf;
 274         int             i_index = 0;
 275         module_config_t *p_item,
 276                         *p_end;
 277
 278         /* Build the tree for the main module */
 279         const module_t *p_module = NULL;
 280         vlc_list_t *p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE,
 281                                             FIND_ANYWHERE );
 282         if( !p_list ) return NULL;
 283         for( unsigned i = 0; p_module == NULL; i++ )
 284         {
 285             assert (i < (unsigned)p_list->i_count);
 286
 287             const module_t *p_main = (module_t *)p_list->p_values[i].p_object;
 288             if( strcmp( module_GetObjName( p_main ), "main" ) == 0 )
 289                 p_module = p_main;
 290         }
 291
 292         VLCTreeItem *p_last_category = NULL;
 293         unsigned int i_confsize;
 294         module_config_t *const p_config = module_GetConfig (p_module, &i_confsize);
 295         p_end = p_item + i_confsize;
 296
 297         for (size_t i = 0; i < i_confsize; i++)
 298         {
 299             p_item = p_config + i;
 300
 301             NSString *o_child_name;
 302             NSString *o_child_title;
 303             NSString *o_child_help;
 304
 305             switch( p_item->i_type )
 306             {
 307                 case CONFIG_CATEGORY:
 308                     if( p_item->value.i == -1 ) break;
 309
 310                     o_child_name = [[VLCMain sharedInstance]
 311                             localizedString: config_CategoryNameGet( p_item->value.i )];
 312                     o_child_title = o_child_name;
 313                     o_child_help = [[VLCMain sharedInstance]
 314                             localizedString: config_CategoryHelpGet( p_item->value.i )];
 315                     p_last_category = [VLCTreeItem alloc];
 316                     [o_children addObject:[p_last_category
 317                             initWithName: o_child_name
 318                                withTitle: o_child_title
 319                                 withHelp: o_child_help
 320                                       ID: p_item->value.i
 321                                   parent:self
 322                                 children:[[NSMutableArray alloc]
 323                                 initWithCapacity:10]
 324                            whithCategory: p_item - module_GetConfig( p_module, &i_confsize )]];
 325                     break;
 326                 case CONFIG_SUBCATEGORY:
 327                     if( p_item->value.i == -1 ) break;
 328
 329                     /* Special cases: move the main subcategories to the parent cat*/
 330                     if( p_item->value.i != SUBCAT_PLAYLIST_GENERAL &&
 331                         p_item->value.i != SUBCAT_VIDEO_GENERAL &&
 332                         p_item->value.i != SUBCAT_INPUT_GENERAL &&
 333                         p_item->value.i != SUBCAT_INTERFACE_GENERAL &&
 334                         p_item->value.i != SUBCAT_SOUT_GENERAL &&
 335                         p_item->value.i != SUBCAT_ADVANCED_MISC &&
 336                         p_item->value.i != SUBCAT_AUDIO_GENERAL )
 337                     {
 338                         o_child_name = [[VLCMain sharedInstance]
 339                                 localizedString: config_CategoryNameGet( p_item->value.i ) ];
 340                         o_child_title = o_child_name;
 341                         o_child_help = [[VLCMain sharedInstance]
 342                                 localizedString: config_CategoryHelpGet( p_item->value.i ) ];
 343
 344                         [p_last_category->o_children
 345                                 addObject:[[VLCTreeItem alloc]
 346                                 initWithName: o_child_name
 347                                    withTitle: o_child_title
 348                                     withHelp: o_child_help
 349                                           ID: p_item->value.i
 350                                       parent:p_last_category
 351                                     children:[[NSMutableArray alloc]
 352                                     initWithCapacity:10]
 353                                whithCategory: p_item - module_GetConfig( p_module, &i_confsize )]];
 354                         continue;
 355                     }
 356                     break;
 357
 358                 default:
 359                     break;
 360             }
 361         }
 362         module_PutConfig (p_config);
 363
 364         /* Build the tree of plugins */
 365         /* Build a tree of the plugins */
 366         /* Add the capabilities */
 367         for( i_index = 0; i_index < p_list->i_count; i_index++ )
 368         {
 369             unsigned int confsize;
 370             p_module = (module_t *)p_list->p_values[i_index].p_object;
 371
 372             /* Exclude the main module */
 373             if( !strcmp( module_GetObjName( p_module ), "main" ) )
 374                 continue;
 375
 376             /* Exclude empty plugins (submodules don't have config */
 377             /* options, they are stored in the parent module) */
 378             // Does not work
 379             //                if( modules_IsSubModule( p_module ) )
 380             //                    continue;
 381             p_item = module_GetConfig( p_module, &confsize );
 382
 383             if( !p_item ) continue;
 384             int i_category = -1;
 385             int i_subcategory = -1;
 386             int i_options = 0;
 387             do
 388             {
 389                 if( p_item->i_type == CONFIG_CATEGORY )
 390                     i_category = p_item->value.i;
 391                 else if( p_item->i_type == CONFIG_SUBCATEGORY )
 392                     i_subcategory = p_item->value.i;
 393
 394                 if( p_item->i_type & CONFIG_ITEM )
 395                     i_options ++;
 396                 if( i_options > 0 && i_category >= 0 && i_subcategory >= 0 )
 397                     break;
 398             } while( p_item < p_end && p_item++ );
 399             if( !i_options ) continue;
 400
 401             /* Find the right category item */
 402
 403             long cookie;
 404             vlc_bool_t b_found = VLC_FALSE;
 405             unsigned int i;
 406             VLCTreeItem* p_category_item, * p_subcategory_item;
 407             for (i = 0 ; i < [o_children count] ; i++)
 408             {
 409                 p_category_item = [o_children objectAtIndex: i];
 410                 if( p_category_item->i_object_id == i_category )
 411                 {
 412                     b_found = VLC_TRUE;
 413                     break;
 414                 }
 415             }
 416             if( !b_found ) continue;
 417
 418             /* Find subcategory item */
 419             b_found = VLC_FALSE;
 420             cookie = -1;
 421             for (i = 0 ; i < [p_category_item->o_children count] ; i++)
 422             {
 423                 p_subcategory_item = [p_category_item->o_children
 424                                             objectAtIndex: i];
 425                 if( p_subcategory_item->i_object_id == i_subcategory )
 426                 {
 427                     b_found = VLC_TRUE;
 428                     break;
 429                 }
 430             }
 431             if( !b_found )
 432                 p_subcategory_item = p_category_item;
 433
 434             [p_subcategory_item->o_children addObject:[[VLCTreeItem alloc]
 435                     initWithName:[[VLCMain sharedInstance]
 436                         localizedString: module_GetName( p_module, VLC_FALSE ) ]
 437                        withTitle:[[VLCMain sharedInstance]
 438                         localizedString:  module_GetLongName( p_module ) ]
 439                         withHelp: @""
 440                               ID: ((vlc_object_t*)p_module)->i_object_id
 441                           parent:p_subcategory_item
 442                         children:IsALeafNode
 443                    whithCategory: -1]];
 444             }
 445
 446             vlc_list_release( p_list );
 447         }
 448
 449
 450     return o_children;
 451 }
 452
 453 - (int)getObjectID
 454 {
 455     return i_object_id;
 456 }
 457
 458 - (NSString *)getName
 459 {
 460     return o_name;
 461 }
 462
 463 - (NSString *)getTitle
 464 {
 465     return o_title;
 466 }
 467
 468 - (NSString *)getHelp
 469 {
 470     return o_help;
 471 }
 472
 473 - (VLCTreeItem *)childAtIndex:(int)i_index
 474 {
 475     return [[self children] objectAtIndex:i_index];
 476 }
 477
 478 - (int)numberOfChildren {
 479     id i_tmp = [self children];
 480     return (i_tmp == IsALeafNode) ? (-1) : (int)[i_tmp count];
 481 }
 482
 483 - (BOOL)hasPrefs:(NSString *)o_module_name
 484 {
 485     intf_thread_t *p_intf = VLCIntf;
 486     module_t *p_parser;
 487     vlc_list_t *p_list;
 488     char *psz_module_name;
 489     int i_index;
 490
 491     psz_module_name = (char *)[o_module_name UTF8String];
 492
 493     /* look for module */
 494     p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 495
 496     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 497     {
 498         p_parser = (module_t *)p_list->p_values[i_index].p_object ;
 499
 500         if( !strcmp( module_GetObjName( p_parser ), psz_module_name ) )
 501         {
 502             unsigned int confsize;
 503             module_GetConfig( p_parser, &confsize );
 504             BOOL b_has_prefs = confsize != 0;
 505             vlc_list_release( p_list );
 506             return( b_has_prefs );
 507         }
 508     }
 509
 510     vlc_list_release( p_list );
 511
 512     return( NO );
 513 }
 514
 515 - (NSView *)showView:(NSScrollView *)o_prefs_view
 516     advancedView:(vlc_bool_t) b_advanced
 517 {
 518     NSRect          s_vrc;
 519     NSView          *o_view;
 520
 521     [[VLCPrefs sharedInstance] setTitle: [self getTitle]];
 522     /* NSLog( [self getHelp] ); */
 523     s_vrc = [[o_prefs_view contentView] bounds]; s_vrc.size.height -= 4;
 524     o_view = [[VLCFlippedView alloc] initWithFrame: s_vrc];
 525     [o_view setAutoresizingMask: NSViewWidthSizable | NSViewMinYMargin |
 526                                     NSViewMaxYMargin];
 527
 528 /* Create all subviews if it isn't already done because we cannot use */
 529 /* setHiden for MacOS < 10.3*/
 530     if( o_subviews == nil )
 531     {
 532         intf_thread_t   *p_intf = VLCIntf;
 533         vlc_list_t      *p_list;
 534         module_t        *p_parser = NULL;
 535         module_config_t *p_item,
 536                         *p_end;
 537         unsigned int confsize;
 538
 539         o_subviews = [[NSMutableArray alloc] initWithCapacity:10];
 540         /* Get a pointer to the module */
 541         if( i_object_category == -1 )
 542         {
 543             p_parser = (module_t *) vlc_object_get( i_object_id );
 544             if( !p_parser || ((vlc_object_t*)p_parser)->i_object_type != VLC_OBJECT_MODULE )
 545             {
 546                 /* 0OOoo something went really bad */
 547                 return nil;
 548             }
 549             p_item = module_GetConfig( p_parser, &confsize );
 550             p_end = p_item + confsize;
 551
 552             do
 553             {
 554                 if( !p_item )
 555                 {
 556                     msg_Err( p_intf, "invalid preference item found" );
 557                     break;
 558                 }
 559                 if( p_item > p_end )
 560                     break;
 561                 switch(p_item->i_type)
 562                 {
 563                 case CONFIG_SUBCATEGORY:
 564                     break;
 565                 case CONFIG_CATEGORY:
 566                     break;
 567                 case CONFIG_SECTION:
 568                     break;
 569                 case CONFIG_HINT_USAGE:
 570                     break;
 571                 default:
 572                 {
 573                     VLCConfigControl *o_control = nil;
 574                     o_control = [VLCConfigControl newControl:p_item
 575                                                   withView:o_view];
 576                     if( o_control != nil )
 577                     {
 578                         [o_control setAutoresizingMask: NSViewMaxYMargin |
 579                             NSViewWidthSizable];
 580                         [o_subviews addObject: o_control];
 581                     }
 582                 }
 583                     break;
 584                 }
 585             } while( p_item < p_end && p_item++ );
 586
 587             vlc_object_release( (vlc_object_t*)p_parser );
 588         }
 589         else
 590         {
 591             int i_index;
 592             p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 593             if( !p_list ) return o_view;
 594
 595             /*
 596             * Find the main module
 597             */
 598             for( i_index = 0; i_index < p_list->i_count; i_index++ )
 599             {
 600                 p_parser = (module_t *)p_list->p_values[i_index].p_object;
 601                 if( !strcmp( module_GetObjName( p_parser ), "main" ) )
 602                     break;
 603             }
 604             if( p_parser == NULL )
 605             {
 606                 msg_Err( p_intf, "could not load preferences" );
 607                 return o_view;
 608             }
 609             unsigned int confsize;
 610             p_item = module_GetConfig( p_parser, &confsize );
 611             p_end = p_item + confsize;
 612             p_item += i_object_category;
 613
 614             if( ( p_item->i_type == CONFIG_CATEGORY ) &&
 615               ( ( p_item->value.i == CAT_PLAYLIST )  ||
 616                 ( p_item->value.i == CAT_AUDIO )  ||
 617                 ( p_item->value.i == CAT_VIDEO ) ||
 618                 ( p_item->value.i == CAT_INTERFACE ) ||
 619                 ( p_item->value.i == CAT_INPUT ) ||
 620                 ( p_item->value.i == CAT_SOUT ) ) )
 621                 p_item++;
 622
 623             do
 624             {
 625                 p_item++;
 626                 if( !p_item || !p_item->i_type )
 627                 {
 628                     msg_Err( p_intf, "invalid preference item found" );
 629                     break;
 630                 }
 631                 if( p_item > p_end )
 632                     break;
 633                 switch( p_item->i_type )
 634                 {
 635                 case CONFIG_SUBCATEGORY:
 636                     break;
 637                 case CONFIG_CATEGORY:
 638                     break;
 639                 case CONFIG_SECTION:
 640                     break;
 641                 case CONFIG_HINT_USAGE:
 642                     break;
 643                 default:
 644                 {
 645                     VLCConfigControl *o_control = nil;
 646                     o_control = [VLCConfigControl newControl:p_item
 647                                                   withView:o_view];
 648                     if( o_control != nil )
 649                     {
 650                         [o_control setAutoresizingMask: NSViewMaxYMargin |
 651                                                         NSViewWidthSizable];
 652                         [o_subviews addObject: o_control];
 653                     }
 654                     break;
 655                 }
 656                 }
 657             } while ( ( p_item < p_end ) &&
 658                       ( p_item->i_type != CONFIG_SUBCATEGORY ) );
 659
 660             vlc_list_release( p_list );
 661         }
 662     }
 663
 664     if( o_view != nil )
 665     {
 666         int i_lastItem = 0;
 667         int i_yPos = -2;
 668         int i_max_label = 0;
 669         int i_show_advanced = 0;
 670
 671         NSEnumerator *enumerator = [o_subviews objectEnumerator];
 672         VLCConfigControl *o_widget;
 673         NSRect o_frame;
 674
 675         while( ( o_widget = [enumerator nextObject] ) )
 676             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 677                 continue;
 678             else if( i_max_label < [o_widget getLabelSize] )
 679                 i_max_label = [o_widget getLabelSize];
 680
 681         enumerator = [o_subviews objectEnumerator];
 682         while( ( o_widget = [enumerator nextObject] ) )
 683         {
 684             int i_widget;
 685             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 686             {
 687                 i_show_advanced++;
 688                 continue;
 689             }
 690
 691             i_widget = [o_widget getViewType];
 692             i_yPos += [VLCConfigControl calcVerticalMargin:i_widget
 693                 lastItem:i_lastItem];
 694             [o_widget setYPos:i_yPos];
 695             o_frame = [o_widget frame];
 696             o_frame.size.width = [o_view frame].size.width -
 697                                     LEFTMARGIN - RIGHTMARGIN;
 698             [o_widget setFrame:o_frame];
 699             [o_widget alignWithXPosition: i_max_label];
 700             i_yPos += [o_widget frame].size.height;
 701             i_lastItem = i_widget;
 702             [o_view addSubview:o_widget];
 703          }
 704         if( i_show_advanced != 0 )
 705         {
 706             /* We add the advanced notice... */
 707             NSRect s_rc = [o_view frame];
 708             NSTextField *o_label;
 709             s_rc.size.height = 17;
 710             s_rc.origin.x = LEFTMARGIN;
 711             s_rc.origin.y = i_yPos += [VLCConfigControl
 712                                         calcVerticalMargin:CONFIG_ITEM_STRING
 713                                         lastItem:i_lastItem];
 714             o_label = [[[NSTextField alloc] initWithFrame: s_rc] retain];
 715             [o_label setDrawsBackground: NO];
 716             [o_label setBordered: NO];
 717             [o_label setEditable: NO];
 718             [o_label setSelectable: NO];
 719             [o_label setStringValue: _NS("Some options are hidden. " \
 720                                 "Check \"Advanced\" to display them.")];
 721             [o_label setFont:[NSFont systemFontOfSize:10]];
 722             [o_label sizeToFit];
 723             [o_view addSubview:o_label];
 724             i_yPos += [o_label frame].size.height;
 725         }
 726         o_frame = [o_view frame];
 727         o_frame.size.height = i_yPos;
 728         [o_view setFrame:o_frame];
 729         [o_prefs_view setDocumentView:o_view];
 730
 731     }
 732     return o_view;
 733 }
 734
 735 - (void)applyChanges
 736 {
 737     unsigned int i;
 738     if( o_subviews != nil )
 739         //Item has been shown
 740         for( i = 0 ; i < [o_subviews count] ; i++ )
 741             [[o_subviews objectAtIndex:i] applyChanges];
 742
 743     if( o_children != IsALeafNode )
 744         for( i = 0 ; i < [o_children count] ; i++ )
 745             [[o_children objectAtIndex:i] applyChanges];
 746 }
 747
 748 - (void)resetView
 749 {
 750     unsigned int i;
 751     if( o_subviews != nil )
 752     {
 753         //Item has been shown
 754         [o_subviews release];
 755         o_subviews = nil;
 756     }
 757
 758     if( o_children != IsALeafNode )
 759         for( i = 0 ; i < [o_children count] ; i++ )
 760             [[o_children objectAtIndex:i] resetView];
 761 }
 762
 763 @end
 764
 765
 766 @implementation VLCFlippedView
 767
 768 - (BOOL)isFlipped
 769 {
 770     return( YES );
 771 }
 772
 773 @end