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         vlc_list_t      *p_list;
 275         module_t        *p_module = NULL;
 276         module_t        *p_parser;
 277         module_config_t *p_item,
 278                         *p_end;
 279         int             i_index = 0;
 280
 281         /* List the modules */
 282         p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 283         if( !p_list ) return nil;
 284
 285         /* get parser */
 286         p_parser = (module_t *)p_list->p_values[i_index].p_object;
 287
 288         if( [[self getName] isEqualToString: @"main"] )
 289         {
 290             /*
 291             * Find the main module
 292             */
 293             for( i_index = 0; i_index < p_list->i_count; i_index++ )
 294             {
 295                 p_module = (module_t *)p_list->p_values[i_index].p_object;
 296                 if( !strcmp( module_GetObjName( p_module ), "main" ) )
 297                     break;
 298             }
 299             if( p_module == NULL )
 300             {
 301                 msg_Err( p_intf,
 302                     "could not load the preferences" );
 303                 return nil;
 304             }
 305             if( i_index < p_list->i_count )
 306             {
 307                 /* We found the main module */
 308                 /* Enumerate config categories and store a reference so we can
 309                  * generate their config panel them when it is asked by the user. */
 310                 VLCTreeItem *p_last_category = NULL;
 311                 unsigned int i_confsize;
 312                 p_item = module_GetConfig( p_parser, &i_confsize );
 313                 p_end = p_item + i_confsize;
 314                 o_children = [[NSMutableArray alloc] initWithCapacity:10];
 315                 if( p_item ) do
 316                 {
 317                     NSString *o_child_name;
 318                     NSString *o_child_title;
 319                     NSString *o_child_help;
 320                     switch( p_item->i_type )
 321                     {
 322                     case CONFIG_CATEGORY:
 323                         if( p_item->value.i == -1 ) break;
 324
 325                         o_child_name = [[VLCMain sharedInstance]
 326                             localizedString: config_CategoryNameGet( p_item->value.i )];
 327                         o_child_title = o_child_name;
 328                         o_child_help = [[VLCMain sharedInstance]
 329                             localizedString: config_CategoryHelpGet( p_item->value.i )];
 330                         p_last_category = [VLCTreeItem alloc];
 331                         [o_children addObject:[p_last_category
 332                             initWithName: o_child_name
 333                             withTitle: o_child_title
 334                             withHelp: o_child_help
 335                             ID: p_item->value.i
 336                             parent:self
 337                             children:[[NSMutableArray alloc]
 338                                 initWithCapacity:10]
 339                             whithCategory: p_item - module_GetConfig( p_module, &i_confsize )]];
 340                         break;
 341                     case CONFIG_SUBCATEGORY:
 342                         if( p_item->value.i == -1 ) break;
 343
 344                         if( p_item->value.i != SUBCAT_PLAYLIST_GENERAL &&
 345                             p_item->value.i != SUBCAT_VIDEO_GENERAL &&
 346                             p_item->value.i != SUBCAT_INPUT_GENERAL &&
 347                             p_item->value.i != SUBCAT_INTERFACE_GENERAL &&
 348                             p_item->value.i != SUBCAT_SOUT_GENERAL &&
 349                             p_item->value.i != SUBCAT_ADVANCED_MISC &&
 350                             p_item->value.i != SUBCAT_AUDIO_GENERAL )
 351                         {
 352                             o_child_name = [[VLCMain sharedInstance]
 353                                 localizedString: config_CategoryNameGet( p_item->value.i ) ];
 354                             o_child_title = o_child_name;
 355                             o_child_help = [[VLCMain sharedInstance]
 356                                 localizedString: config_CategoryHelpGet( p_item->value.i ) ];
 357
 358                             [p_last_category->o_children
 359                                 addObject:[[VLCTreeItem alloc]
 360                                 initWithName: o_child_name
 361                                 withTitle: o_child_title
 362                                 withHelp: o_child_help
 363                                 ID: p_item->value.i
 364                                 parent:p_last_category
 365                                 children:[[NSMutableArray alloc]
 366                                     initWithCapacity:10]
 367                                 whithCategory: p_item - module_GetConfig( p_parser, &i_confsize )]];
 368                         }
 369
 370                         break;
 371                     default:
 372                         break;
 373                     }
 374                 } while( p_item < p_end && p_item++ );
 375             }
 376
 377             /* Build a tree of the plugins */
 378             /* Add the capabilities */
 379             for( i_index = 0; i_index < p_list->i_count; i_index++ )
 380             {
 381                 unsigned int confsize;
 382                 p_module = (module_t *)p_list->p_values[i_index].p_object;
 383
 384                 /* Exclude the main module */
 385                 if( !strcmp( module_GetObjName( p_module ), "main" ) )
 386                     continue;
 387
 388                 /* Exclude empty plugins (submodules don't have config */
 389                 /* options, they are stored in the parent module) */
 390 // Does not work
 391 //                if( modules_IsSubModule( p_module ) )
 392 //                    continue;
 393                 p_item = module_GetConfig( p_module, &confsize );
 394
 395                 if( !p_item ) continue;
 396                 if( !p_item->i_type ) break;
 397                 int i_category = -1;
 398                 int i_subcategory = -1;
 399                 int i_options = 0;
 400                 do
 401                 {
 402                     if( p_item->i_type == CONFIG_CATEGORY )
 403                         i_category = p_item->value.i;
 404                     else if( p_item->i_type == CONFIG_SUBCATEGORY )
 405                         i_subcategory = p_item->value.i;
 406
 407                     if( p_item->i_type & CONFIG_ITEM )
 408                         i_options ++;
 409                     if( i_options > 0 && i_category >= 0 && i_subcategory >= 0 )
 410                         break;
 411                 } while( p_item < p_end && p_item++ );
 412                 if( !i_options ) continue;
 413
 414                 /* Find the right category item */
 415
 416                 long cookie;
 417                 vlc_bool_t b_found = VLC_FALSE;
 418                 unsigned int i;
 419                 VLCTreeItem* p_category_item, * p_subcategory_item;
 420                 for (i = 0 ; i < [o_children count] ; i++)
 421                 {
 422                     p_category_item = [o_children objectAtIndex: i];
 423                     if( p_category_item->i_object_id == i_category )
 424                     {
 425                         b_found = VLC_TRUE;
 426                         break;
 427                     }
 428                 }
 429                 if( !b_found ) continue;
 430
 431                 /* Find subcategory item */
 432                 b_found = VLC_FALSE;
 433                 cookie = -1;
 434                 for (i = 0 ; i < [p_category_item->o_children count] ; i++)
 435                 {
 436                     p_subcategory_item = [p_category_item->o_children
 437                                             objectAtIndex: i];
 438                     if( p_subcategory_item->i_object_id == i_subcategory )
 439                     {
 440                         b_found = VLC_TRUE;
 441                         break;
 442                     }
 443                 }
 444                 if( !b_found )
 445                     p_subcategory_item = p_category_item;
 446
 447                 [p_subcategory_item->o_children addObject:[[VLCTreeItem alloc]
 448                     initWithName:[[VLCMain sharedInstance]
 449                         localizedString: module_GetName( p_module, VLC_FALSE ) ]
 450                     withTitle:[[VLCMain sharedInstance]
 451                         localizedString:  module_GetLongName( p_module ) ]
 452                     withHelp: @""
 453                     ID: ((vlc_object_t*)p_module)->i_object_id
 454                     parent:p_subcategory_item
 455                     children:IsALeafNode
 456                     whithCategory: -1]];
 457                 }
 458         }
 459         vlc_list_release( p_list );
 460     }
 461     return o_children;
 462 }
 463
 464 - (int)getObjectID
 465 {
 466     return i_object_id;
 467 }
 468
 469 - (NSString *)getName
 470 {
 471     return o_name;
 472 }
 473
 474 - (NSString *)getTitle
 475 {
 476     return o_title;
 477 }
 478
 479 - (NSString *)getHelp
 480 {
 481     return o_help;
 482 }
 483
 484 - (VLCTreeItem *)childAtIndex:(int)i_index
 485 {
 486     return [[self children] objectAtIndex:i_index];
 487 }
 488
 489 - (int)numberOfChildren {
 490     id i_tmp = [self children];
 491     return (i_tmp == IsALeafNode) ? (-1) : (int)[i_tmp count];
 492 }
 493
 494 - (BOOL)hasPrefs:(NSString *)o_module_name
 495 {
 496     intf_thread_t *p_intf = VLCIntf;
 497     module_t *p_parser;
 498     vlc_list_t *p_list;
 499     char *psz_module_name;
 500     int i_index;
 501
 502     psz_module_name = (char *)[o_module_name UTF8String];
 503
 504     /* look for module */
 505     p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 506
 507     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 508     {
 509         p_parser = (module_t *)p_list->p_values[i_index].p_object ;
 510
 511         if( !strcmp( module_GetObjName( p_parser ), psz_module_name ) )
 512         {
 513             unsigned int confsize;
 514             module_GetConfig( p_parser, &confsize );
 515             BOOL b_has_prefs = confsize != 0;
 516             vlc_list_release( p_list );
 517             return( b_has_prefs );
 518         }
 519     }
 520
 521     vlc_list_release( p_list );
 522
 523     return( NO );
 524 }
 525
 526 - (NSView *)showView:(NSScrollView *)o_prefs_view
 527     advancedView:(vlc_bool_t) b_advanced
 528 {
 529     NSRect          s_vrc;
 530     NSView          *o_view;
 531
 532     [[VLCPrefs sharedInstance] setTitle: [self getTitle]];
 533     /* NSLog( [self getHelp] ); */
 534     s_vrc = [[o_prefs_view contentView] bounds]; s_vrc.size.height -= 4;
 535     o_view = [[VLCFlippedView alloc] initWithFrame: s_vrc];
 536     [o_view setAutoresizingMask: NSViewWidthSizable | NSViewMinYMargin |
 537                                     NSViewMaxYMargin];
 538
 539 /* Create all subviews if it isn't already done because we cannot use */
 540 /* setHiden for MacOS < 10.3*/
 541     if( o_subviews == nil )
 542     {
 543         intf_thread_t   *p_intf = VLCIntf;
 544         vlc_list_t      *p_list;
 545         module_t        *p_parser = NULL;
 546         module_config_t *p_item,
 547                         *p_end;
 548         unsigned int confsize;
 549
 550         o_subviews = [[NSMutableArray alloc] initWithCapacity:10];
 551         /* Get a pointer to the module */
 552         if( i_object_category == -1 )
 553         {
 554             p_parser = (module_t *) vlc_object_get( i_object_id );
 555             if( !p_parser || ((vlc_object_t*)p_parser)->i_object_type != VLC_OBJECT_MODULE )
 556             {
 557                 /* 0OOoo something went really bad */
 558                 return nil;
 559             }
 560             p_item = module_GetConfig( p_parser, &confsize );
 561             p_end = p_item + confsize;
 562
 563             do
 564             {
 565                 if( !p_item )
 566                 {
 567                     msg_Err( p_intf, "invalid preference item found" );
 568                     break;
 569                 }
 570                 if( p_item > p_end )
 571                     break;
 572                 switch(p_item->i_type)
 573                 {
 574                 case CONFIG_SUBCATEGORY:
 575                     break;
 576                 case CONFIG_CATEGORY:
 577                     break;
 578                 case CONFIG_SECTION:
 579                     break;
 580                 case CONFIG_HINT_USAGE:
 581                     break;
 582                 default:
 583                 {
 584                     VLCConfigControl *o_control = nil;
 585                     o_control = [VLCConfigControl newControl:p_item
 586                                                   withView:o_view];
 587                     if( o_control != nil )
 588                     {
 589                         [o_control setAutoresizingMask: NSViewMaxYMargin |
 590                             NSViewWidthSizable];
 591                         [o_subviews addObject: o_control];
 592                     }
 593                 }
 594                     break;
 595                 }
 596             } while( p_item < p_end && p_item++ );
 597
 598             vlc_object_release( (vlc_object_t*)p_parser );
 599         }
 600         else
 601         {
 602             int i_index;
 603             p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 604             if( !p_list ) return o_view;
 605
 606             /*
 607             * Find the main module
 608             */
 609             for( i_index = 0; i_index < p_list->i_count; i_index++ )
 610             {
 611                 p_parser = (module_t *)p_list->p_values[i_index].p_object;
 612                 if( !strcmp( module_GetObjName( p_parser ), "main" ) )
 613                     break;
 614             }
 615             if( p_parser == NULL )
 616             {
 617                 msg_Err( p_intf, "could not load preferences" );
 618                 return o_view;
 619             }
 620             unsigned int confsize;
 621             p_item = module_GetConfig( p_parser, &confsize );
 622             p_end = p_item + confsize;
 623             p_item += i_object_category;
 624
 625             if( ( p_item->i_type == CONFIG_CATEGORY ) &&
 626               ( ( p_item->value.i == CAT_PLAYLIST )  ||
 627                 ( p_item->value.i == CAT_AUDIO )  ||
 628                 ( p_item->value.i == CAT_VIDEO ) ||
 629                 ( p_item->value.i == CAT_INTERFACE ) ||
 630                 ( p_item->value.i == CAT_INPUT ) ||
 631                 ( p_item->value.i == CAT_SOUT ) ) )
 632                 p_item++;
 633
 634             do
 635             {
 636                 p_item++;
 637                 if( !p_item || !p_item->i_type )
 638                 {
 639                     msg_Err( p_intf, "invalid preference item found" );
 640                     break;
 641                 }
 642                 if( p_item > p_end )
 643                     break;
 644                 switch( p_item->i_type )
 645                 {
 646                 case CONFIG_SUBCATEGORY:
 647                     break;
 648                 case CONFIG_CATEGORY:
 649                     break;
 650                 case CONFIG_SECTION:
 651                     break;
 652                 case CONFIG_HINT_USAGE:
 653                     break;
 654                 default:
 655                 {
 656                     VLCConfigControl *o_control = nil;
 657                     o_control = [VLCConfigControl newControl:p_item
 658                                                   withView:o_view];
 659                     if( o_control != nil )
 660                     {
 661                         [o_control setAutoresizingMask: NSViewMaxYMargin |
 662                                                         NSViewWidthSizable];
 663                         [o_subviews addObject: o_control];
 664                     }
 665                     break;
 666                 }
 667                 }
 668             } while ( ( p_item < p_end ) &&
 669                       ( p_item->i_type != CONFIG_SUBCATEGORY ) );
 670
 671             vlc_list_release( p_list );
 672         }
 673     }
 674
 675     if( o_view != nil )
 676     {
 677         int i_lastItem = 0;
 678         int i_yPos = -2;
 679         int i_max_label = 0;
 680         int i_show_advanced = 0;
 681
 682         NSEnumerator *enumerator = [o_subviews objectEnumerator];
 683         VLCConfigControl *o_widget;
 684         NSRect o_frame;
 685
 686         while( ( o_widget = [enumerator nextObject] ) )
 687             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 688                 continue;
 689             else if( i_max_label < [o_widget getLabelSize] )
 690                 i_max_label = [o_widget getLabelSize];
 691
 692         enumerator = [o_subviews objectEnumerator];
 693         while( ( o_widget = [enumerator nextObject] ) )
 694         {
 695             int i_widget;
 696             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 697             {
 698                 i_show_advanced++;
 699                 continue;
 700             }
 701
 702             i_widget = [o_widget getViewType];
 703             i_yPos += [VLCConfigControl calcVerticalMargin:i_widget
 704                 lastItem:i_lastItem];
 705             [o_widget setYPos:i_yPos];
 706             o_frame = [o_widget frame];
 707             o_frame.size.width = [o_view frame].size.width -
 708                                     LEFTMARGIN - RIGHTMARGIN;
 709             [o_widget setFrame:o_frame];
 710             [o_widget alignWithXPosition: i_max_label];
 711             i_yPos += [o_widget frame].size.height;
 712             i_lastItem = i_widget;
 713             [o_view addSubview:o_widget];
 714          }
 715         if( i_show_advanced != 0 )
 716         {
 717             /* We add the advanced notice... */
 718             NSRect s_rc = [o_view frame];
 719             NSTextField *o_label;
 720             s_rc.size.height = 17;
 721             s_rc.origin.x = LEFTMARGIN;
 722             s_rc.origin.y = i_yPos += [VLCConfigControl
 723                                         calcVerticalMargin:CONFIG_ITEM_STRING
 724                                         lastItem:i_lastItem];
 725             o_label = [[[NSTextField alloc] initWithFrame: s_rc] retain];
 726             [o_label setDrawsBackground: NO];
 727             [o_label setBordered: NO];
 728             [o_label setEditable: NO];
 729             [o_label setSelectable: NO];
 730             [o_label setStringValue: _NS("Some options are hidden. " \
 731                                 "Check \"Advanced\" to display them.")];
 732             [o_label setFont:[NSFont systemFontOfSize:10]];
 733             [o_label sizeToFit];
 734             [o_view addSubview:o_label];
 735             i_yPos += [o_label frame].size.height;
 736         }
 737         o_frame = [o_view frame];
 738         o_frame.size.height = i_yPos;
 739         [o_view setFrame:o_frame];
 740         [o_prefs_view setDocumentView:o_view];
 741
 742     }
 743     return o_view;
 744 }
 745
 746 - (void)applyChanges
 747 {
 748     unsigned int i;
 749     if( o_subviews != nil )
 750         //Item has been shown
 751         for( i = 0 ; i < [o_subviews count] ; i++ )
 752             [[o_subviews objectAtIndex:i] applyChanges];
 753
 754     if( o_children != IsALeafNode )
 755         for( i = 0 ; i < [o_children count] ; i++ )
 756             [[o_children objectAtIndex:i] applyChanges];
 757 }
 758
 759 - (void)resetView
 760 {
 761     unsigned int i;
 762     if( o_subviews != nil )
 763     {
 764         //Item has been shown
 765         [o_subviews release];
 766         o_subviews = nil;
 767     }
 768
 769     if( o_children != IsALeafNode )
 770         for( i = 0 ; i < [o_children count] ; i++ )
 771             [[o_children objectAtIndex:i] resetView];
 772 }
 773
 774 @end
 775
 776
 777 @implementation VLCFlippedView
 778
 779 - (BOOL)isFlipped
 780 {
 781     return( YES );
 782 }
 783
 784 @end