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_common.h>
  54 #include <vlc_config_cat.h>
  55
  56 #import "intf.h"
  57 #import "prefs.h"
  58 #import "simple_prefs.h"
  59 #import "prefs_widgets.h"
  60 #import "vlc_keys.h"
  61
  62 /* /!\ Warning: Unreadable code :/ */
  63
  64 /*****************************************************************************
  65  * VLCPrefs implementation
  66  *****************************************************************************/
  67 @implementation VLCPrefs
  68
  69 static VLCPrefs *_o_sharedMainInstance = nil;
  70
  71 + (VLCPrefs *)sharedInstance
  72 {
  73     return _o_sharedMainInstance ? _o_sharedMainInstance : [[self alloc] init];
  74 }
  75
  76 - (id)init
  77 {
  78     if( _o_sharedMainInstance ) {
  79         [self dealloc];
  80     }
  81     else
  82     {
  83         _o_sharedMainInstance = [super init];
  84         p_intf = VLCIntf;
  85         o_empty_view = [[NSView alloc] init];
  86     }
  87
  88     return _o_sharedMainInstance;
  89 }
  90
  91 - (void)dealloc
  92 {
  93     [o_empty_view release];
  94     [super dealloc];
  95 }
  96
  97 - (void)awakeFromNib
  98 {
  99     p_intf = VLCIntf;
 100     b_advanced = config_GetInt( p_intf, "advanced" );
 101
 102     [self initStrings];
 103     [o_advanced_ckb setState: b_advanced];
 104     [o_prefs_view setBorderType: NSGrooveBorder];
 105     [o_prefs_view setHasVerticalScroller: YES];
 106     [o_prefs_view setDrawsBackground: NO];
 107     [o_prefs_view setDocumentView: o_empty_view];
 108     [o_tree selectRow:0 byExtendingSelection:NO];
 109 }
 110
 111 - (void)setTitle: (NSString *) o_title_name
 112 {
 113     [o_title setStringValue: o_title_name];
 114 }
 115
 116 - (void)showPrefs
 117 {
 118     [[o_basicFull_matrix cellAtRow:0 column:0] setState: NSOffState];
 119     [[o_basicFull_matrix cellAtRow:0 column:1] setState: NSOnState];
 120
 121     [o_prefs_window center];
 122     [o_prefs_window makeKeyAndOrderFront:self];
 123 }
 124
 125 - (void)initStrings
 126 {
 127     [o_prefs_window setTitle: _NS("Preferences")];
 128     [o_save_btn setTitle: _NS("Save")];
 129     [o_cancel_btn setTitle: _NS("Cancel")];
 130     [o_reset_btn setTitle: _NS("Reset All")];
 131     [o_advanced_ckb setTitle: _NS("Advanced")];
 132     [[o_basicFull_matrix cellAtRow: 0 column: 0] setStringValue: _NS("Basic")];
 133     [[o_basicFull_matrix cellAtRow: 0 column: 1] setStringValue: _NS("All")];
 134 }
 135
 136 - (IBAction)savePrefs: (id)sender
 137 {
 138     /* TODO: call savePrefs on Root item */
 139     [[VLCTreeItem rootItem] applyChanges];
 140     config_SaveConfigFile( p_intf, NULL );
 141     [o_prefs_window orderOut:self];
 142 }
 143
 144 - (IBAction)closePrefs: (id)sender
 145 {
 146     [o_prefs_window orderOut:self];
 147 }
 148
 149 - (IBAction)resetAll: (id)sender
 150 {
 151     NSBeginInformationalAlertSheet(_NS("Reset Preferences"), _NS("Cancel"),
 152         _NS("Continue"), nil, o_prefs_window, self,
 153         @selector(sheetDidEnd: returnCode: contextInfo:), NULL, nil,
 154         _NS("Beware this will reset the VLC media player preferences.\n"
 155             "Are you sure you want to continue?") );
 156 }
 157
 158 - (void)sheetDidEnd:(NSWindow *)o_sheet returnCode:(int)i_return
 159     contextInfo:(void *)o_context
 160 {
 161     if( i_return == NSAlertAlternateReturn )
 162     {
 163         [o_prefs_view setDocumentView: o_empty_view];
 164         config_ResetAll( p_intf );
 165         [[VLCTreeItem rootItem] resetView];
 166         [[o_tree itemAtRow:[o_tree selectedRow]]
 167             showView:o_prefs_view advancedView:
 168             ( [o_advanced_ckb state] == NSOnState ) ? true : false];
 169     }
 170 }
 171
 172 - (IBAction)advancedToggle: (id)sender
 173 {
 174     b_advanced = !b_advanced;
 175     [o_advanced_ckb setState: b_advanced];
 176     /* refresh the view of the current treeitem */
 177     [[o_tree itemAtRow:[o_tree selectedRow]] showView:o_prefs_view advancedView:
 178         ( [o_advanced_ckb state] == NSOnState ) ? true : false];
 179 }
 180
 181 - (IBAction)buttonAction: (id)sender
 182 {
 183     [o_prefs_window orderOut: self];
 184     [[o_basicFull_matrix cellAtRow:0 column:0] setState: NSOnState];
 185     [[o_basicFull_matrix cellAtRow:0 column:1] setState: NSOffState];
 186     [[[VLCMain sharedInstance] getSimplePreferences] showSimplePrefs];
 187 }
 188
 189 - (void)loadConfigTree
 190 {
 191 }
 192
 193 - (void)outlineViewSelectionIsChanging:(NSNotification *)o_notification
 194 {
 195 }
 196
 197 /* update the document view to the view of the selected tree item */
 198 - (void)outlineViewSelectionDidChange:(NSNotification *)o_notification
 199 {
 200     [[o_tree itemAtRow:[o_tree selectedRow]] showView: o_prefs_view
 201         advancedView:( [o_advanced_ckb state] == NSOnState ) ?
 202         true : false];
 203 }
 204
 205 @end
 206
 207 @implementation VLCPrefs (NSTableDataSource)
 208
 209 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item {
 210     return (item == nil) ? [[VLCTreeItem rootItem] numberOfChildren] :
 211                             [item numberOfChildren];
 212 }
 213
 214 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
 215 {
 216     return (item == nil) ? YES : ( ([item numberOfChildren] != -1) &&
 217                                    ([item numberOfChildren] != 0));
 218 }
 219
 220 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item {
 221     return (item == nil) ? [[VLCTreeItem rootItem] childAtIndex:index] :
 222                             (id)[item childAtIndex:index];
 223 }
 224
 225 - (id)outlineView:(NSOutlineView *)outlineView
 226     objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 227 {
 228     return (item == nil) ? @"" : (id)[item getName];
 229 }
 230
 231 @end
 232
 233 @implementation VLCTreeItem
 234
 235 static VLCTreeItem *o_root_item = nil;
 236
 237 #define IsALeafNode ((id)-1)
 238
 239 - (id)initWithName: (NSString *)o_item_name
 240     withTitle: (NSString *)o_item_title
 241     withHelp: (NSString *)o_item_help
 242     ID: (int)i_id
 243     parent:(VLCTreeItem *)o_parent_item
 244     children:(NSMutableArray *)o_children_array
 245     whithCategory: (int) i_category
 246 {
 247     self = [super init];
 248
 249     if( self != nil )
 250     {
 251         o_name = [o_item_name copy];
 252         o_title= [o_item_title copy];
 253         o_help= [o_item_help copy];
 254         i_object_id = i_id;
 255         o_parent = o_parent_item;
 256         o_children = o_children_array;
 257         i_object_category = i_category;
 258         o_subviews = nil;
 259     }
 260     return( self );
 261 }
 262
 263 + (VLCTreeItem *)rootItem
 264 {
 265    if (o_root_item == nil)
 266         o_root_item = [[VLCTreeItem alloc] initWithName:@"main" withTitle:@"main" withHelp:@"" ID:0
 267             parent:nil children:[[NSMutableArray alloc] initWithCapacity:10]
 268             whithCategory: -1];
 269    return o_root_item;
 270 }
 271
 272 - (void)dealloc
 273 {
 274     if (o_children != IsALeafNode) [o_children release];
 275     [o_name release];
 276     [o_title release];
 277     [o_help release];
 278     [super dealloc];
 279 }
 280
 281 /* Creates and returns the array of children
 282  * Loads children incrementally */
 283 - (NSArray *)children
 284 {
 285     if( o_children == IsALeafNode )
 286         return o_children;
 287     if( [ o_children count] == 0 )
 288     {
 289         intf_thread_t   *p_intf = VLCIntf;
 290         vlc_list_t      *p_list;
 291         module_t        *p_module = NULL;
 292         module_t        *p_main_module;
 293         module_config_t *p_items;
 294         int             i = 0;
 295         if( [[self getName] isEqualToString: @"main"] )
 296         {
 297             p_main_module = module_GetMainModule( p_intf );
 298             assert( p_main_module );
 299
 300             /* We found the main module */
 301             /* Enumerate config categories and store a reference so we can
 302              * generate their config panel them when it is asked by the user. */
 303             VLCTreeItem *p_last_category = NULL;
 304             unsigned int i_confsize;
 305             p_items = module_GetConfig( p_main_module, &i_confsize );
 306             o_children = [[NSMutableArray alloc] initWithCapacity:10];
 307             for( int i = 0; i < i_confsize; i++ )
 308             {
 309                 NSString *o_child_name;
 310                 NSString *o_child_title;
 311                 NSString *o_child_help;
 312                 switch( p_items[i].i_type )
 313                 {
 314                     case CONFIG_CATEGORY:
 315                         if( p_items[i].value.i == -1 ) break;
 316
 317                         o_child_name = [[VLCMain sharedInstance]
 318                             localizedString: config_CategoryNameGet( p_items[i].value.i )];
 319                         o_child_title = o_child_name;
 320                         o_child_help = [[VLCMain sharedInstance]
 321                             localizedString: config_CategoryHelpGet( p_items[i].value.i )];
 322                         p_last_category = [VLCTreeItem alloc];
 323                         [o_children addObject:[p_last_category
 324                             initWithName: o_child_name
 325                             withTitle: o_child_title
 326                             withHelp: o_child_help
 327                             ID: ((vlc_object_t*)p_main_module)->i_object_id
 328                             parent:self
 329                             children:[[NSMutableArray alloc]
 330                                 initWithCapacity:10]
 331                             whithCategory: p_items[i].value.i]];
 332                         break;
 333                     case CONFIG_SUBCATEGORY:
 334                         if( p_items[i].value.i == -1 ) break;
 335
 336                         if( p_items[i].value.i != SUBCAT_PLAYLIST_GENERAL &&
 337                             p_items[i].value.i != SUBCAT_VIDEO_GENERAL &&
 338                             p_items[i].value.i != SUBCAT_INPUT_GENERAL &&
 339                             p_items[i].value.i != SUBCAT_INTERFACE_GENERAL &&
 340                             p_items[i].value.i != SUBCAT_SOUT_GENERAL &&
 341                             p_items[i].value.i != SUBCAT_ADVANCED_MISC &&
 342                             p_items[i].value.i != SUBCAT_AUDIO_GENERAL )
 343                         {
 344                             o_child_name = [[VLCMain sharedInstance]
 345                                 localizedString: config_CategoryNameGet( p_items[i].value.i ) ];
 346                             o_child_title = o_child_name;
 347                             o_child_help = [[VLCMain sharedInstance]
 348                                 localizedString: config_CategoryHelpGet( p_items[i].value.i ) ];
 349
 350                             [p_last_category->o_children
 351                                 addObject:[[VLCTreeItem alloc]
 352                                 initWithName: o_child_name
 353                                 withTitle: o_child_title
 354                                 withHelp: o_child_help
 355                                 ID: ((vlc_object_t*)p_main_module)->i_object_id
 356                                 parent:p_last_category
 357                                 children:[[NSMutableArray alloc]
 358                                     initWithCapacity:10]
 359                                 whithCategory: p_items[i].value.i]];
 360                         }
 361
 362                         break;
 363                     default:
 364                         break;
 365                 }
 366             }
 367
 368             vlc_object_release( (vlc_object_t *)p_main_module );
 369
 370             /* List the modules */
 371             p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 372             if( !p_list ) return nil;
 373
 374             /* Build a tree of the plugins */
 375             /* Add the capabilities */
 376             for( i = 0; i < p_list->i_count; i++ )
 377             {
 378                 unsigned int confsize;
 379                 p_module = (module_t *)p_list->p_values[i].p_object;
 380
 381                 /* Exclude the main module */
 382                 if( module_IsMainModule( p_module ) )
 383                     continue;
 384
 385                 /* Exclude empty plugins (submodules don't have config */
 386                 /* options, they are stored in the parent module) */
 387                 p_items = module_GetConfig( p_module, &confsize );
 388
 389                 unsigned int j;
 390
 391                 int i_category = -1;
 392                 int i_subcategory = -1;
 393                 bool b_item = false;
 394
 395                 for( j = 0; j < confsize; j++ )
 396                 {
 397                     if( p_items[j].i_type == CONFIG_CATEGORY )
 398                         i_category = p_items[j].value.i;
 399                     else if( p_items[j].i_type == CONFIG_SUBCATEGORY )
 400                         i_subcategory = p_items[j].value.i;
 401
 402                     if( p_items[j].i_type & CONFIG_ITEM )
 403                         b_item = true;
 404
 405                     if( b_item && i_category >= 0 && i_subcategory >= 0 )
 406                         break;
 407                 }
 408
 409                 if( !b_item ) continue;
 410
 411                 /* Find the right category item */
 412
 413                 long cookie;
 414                 bool b_found = false;
 415
 416                 VLCTreeItem* p_category_item, * p_subcategory_item;
 417                 for (j = 0 ; j < [o_children count] ; j++)
 418                 {
 419                     p_category_item = [o_children objectAtIndex: j];
 420                     if( p_category_item->i_object_category == i_category )
 421                     {
 422                         b_found = true;
 423                         break;
 424                     }
 425                 }
 426                 if( !b_found ) continue;
 427
 428                 /* Find subcategory item */
 429                 b_found = false;
 430                 cookie = -1;
 431                 for (j = 0 ; j < [p_category_item->o_children count] ; j++)
 432                 {
 433                     p_subcategory_item = [p_category_item->o_children
 434                                             objectAtIndex: j];
 435                     if( p_subcategory_item->i_object_category == i_subcategory )
 436                     {
 437                         b_found = true;
 438                         break;
 439                     }
 440                 }
 441                 if( !b_found )
 442                     p_subcategory_item = p_category_item;
 443
 444                 [p_subcategory_item->o_children addObject:[[VLCTreeItem alloc]
 445                     initWithName:[[VLCMain sharedInstance]
 446                         localizedString: module_GetName( p_module, false ) ]
 447                     withTitle:[[VLCMain sharedInstance]
 448                         localizedString:  module_GetLongName( p_module ) ]
 449                     withHelp: @""
 450                     ID: ((vlc_object_t*)p_module)->i_object_id
 451                     parent:p_subcategory_item
 452                     children:IsALeafNode
 453                     whithCategory: -1]];
 454                 }
 455         }
 456         vlc_list_release( p_list );
 457     }
 458     return o_children;
 459 }
 460
 461 - (int)getObjectID
 462 {
 463     return i_object_id;
 464 }
 465
 466 - (NSString *)getName
 467 {
 468     return o_name;
 469 }
 470
 471 - (NSString *)getTitle
 472 {
 473     return o_title;
 474 }
 475
 476 - (NSString *)getHelp
 477 {
 478     return o_help;
 479 }
 480
 481 - (VLCTreeItem *)childAtIndex:(int)i_index
 482 {
 483     return [[self children] objectAtIndex:i_index];
 484 }
 485
 486 - (int)numberOfChildren {
 487     id i_tmp = [self children];
 488     return (i_tmp == IsALeafNode) ? (-1) : (int)[i_tmp count];
 489 }
 490
 491 - (BOOL)hasPrefs:(NSString *)o_module_name
 492 {
 493     intf_thread_t *p_intf = VLCIntf;
 494     module_t *p_parser;
 495     vlc_list_t *p_list;
 496     char *psz_module_name;
 497     int i_index;
 498
 499     psz_module_name = (char *)[o_module_name UTF8String];
 500
 501     /* look for module */
 502     p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 503
 504     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 505     {
 506         p_parser = (module_t *)p_list->p_values[i_index].p_object ;
 507
 508         if( !strcmp( module_GetObjName( p_parser ), psz_module_name ) )
 509         {
 510             unsigned int confsize;
 511             module_GetConfig( p_parser, &confsize );
 512             BOOL b_has_prefs = confsize != 0;
 513             vlc_list_release( p_list );
 514             return( b_has_prefs );
 515         }
 516     }
 517
 518     vlc_list_release( p_list );
 519
 520     return( NO );
 521 }
 522
 523 - (NSView *)showView:(NSScrollView *)o_prefs_view
 524     advancedView:(bool) b_advanced
 525 {
 526     NSRect          s_vrc;
 527     NSView          *o_view;
 528
 529     [[VLCPrefs sharedInstance] setTitle: [self getTitle]];
 530     /* NSLog( [self getHelp] ); */
 531     s_vrc = [[o_prefs_view contentView] bounds]; s_vrc.size.height -= 4;
 532     o_view = [[VLCFlippedView alloc] initWithFrame: s_vrc];
 533     [o_view setAutoresizingMask: NSViewWidthSizable | NSViewMinYMargin |
 534                                     NSViewMaxYMargin];
 535
 536 /* Create all subviews if it isn't already done because we cannot use */
 537 /* setHiden for MacOS < 10.3*/
 538     if( o_subviews == nil )
 539     {
 540         intf_thread_t   *p_intf = VLCIntf;
 541         vlc_list_t      *p_list;
 542         module_t        *p_module = NULL;
 543         module_t        *p_main_module;
 544         module_config_t *p_items;
 545         unsigned int confsize;
 546
 547         o_subviews = [[NSMutableArray alloc] initWithCapacity:10];
 548         /* Get a pointer to the module */
 549         if( i_object_category == -1 )
 550         {
 551             p_module = (module_t *) vlc_object_get( i_object_id );
 552             assert( p_module );
 553
 554             p_items = module_GetConfig( p_module, &confsize );
 555
 556             for( unsigned int i = 0; i < confsize; i++ )
 557             {
 558                 switch( p_items[i].i_type )
 559                 {
 560                     case CONFIG_SUBCATEGORY:
 561                     case CONFIG_CATEGORY:
 562                     case CONFIG_SECTION:
 563                     case CONFIG_HINT_USAGE:
 564                         break;
 565                     default:
 566                     {
 567                         VLCConfigControl *o_control = nil;
 568                         o_control = [VLCConfigControl newControl:&p_items[i]
 569                                                       withView:o_view];
 570                         if( o_control )
 571                         {
 572                             [o_control setAutoresizingMask: NSViewMaxYMargin |
 573                                 NSViewWidthSizable];
 574                             [o_subviews addObject: o_control];
 575                         }
 576                     }
 577                     break;
 578                 }
 579             }
 580             vlc_object_release( (vlc_object_t*)p_module );
 581         }
 582         else
 583         {
 584             p_main_module = module_GetMainModule( p_intf );
 585             assert( p_main_module );
 586             module_config_t *p_items;
 587
 588             unsigned int i, confsize;
 589             p_items = module_GetConfig( p_main_module, &confsize );
 590
 591             /* We need to first, find the right (sub)category,
 592              * and then abort when we find a new (sub)category. Part of the Ugliness. */
 593             bool in_right_category = false;
 594             bool in_subcategory = false;
 595             bool done = false;
 596             for( i = 0; i < confsize; i++ )
 597             {
 598                 if( !p_items[i].i_type )
 599                 {
 600                     msg_Err( p_intf, "invalid preference item found" );
 601                     break;
 602                 }
 603
 604                 switch( p_items[i].i_type )
 605                 {
 606                     case CONFIG_CATEGORY:
 607                         if(!in_right_category && p_items[i].value.i == i_object_category)
 608                             in_right_category = true;
 609                         else if(in_right_category)
 610                             done = true;
 611                         break;
 612                     case CONFIG_SUBCATEGORY:
 613                         if(!in_right_category && p_items[i].value.i == i_object_category)
 614                         {
 615                             in_right_category = true;
 616                             in_subcategory = true;
 617                         }
 618                         else if(in_right_category && in_subcategory)
 619                             done = true;
 620                         break;
 621                     case CONFIG_SECTION:
 622                     case CONFIG_HINT_USAGE:
 623                         break;
 624                     default:
 625                     {
 626                         if(!in_right_category) break;
 627
 628                         VLCConfigControl *o_control = nil;
 629                         o_control = [VLCConfigControl newControl:&p_items[i]
 630                                                       withView:o_view];
 631                         if( o_control != nil )
 632                         {
 633                             [o_control setAutoresizingMask: NSViewMaxYMargin |
 634                                                             NSViewWidthSizable];
 635                             [o_subviews addObject: o_control];
 636                         }
 637                         break;
 638                     }
 639                 }
 640                 if( done ) break;
 641             }
 642             vlc_object_release( (vlc_object_t*)p_main_module );
 643         }
 644     }
 645
 646     if( o_view != nil )
 647     {
 648         int i_lastItem = 0;
 649         int i_yPos = -2;
 650         int i_max_label = 0;
 651         int i_show_advanced = 0;
 652
 653         NSEnumerator *enumerator = [o_subviews objectEnumerator];
 654         VLCConfigControl *o_widget;
 655         NSRect o_frame;
 656
 657         while( ( o_widget = [enumerator nextObject] ) )
 658             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 659                 continue;
 660             else if( i_max_label < [o_widget getLabelSize] )
 661                 i_max_label = [o_widget getLabelSize];
 662
 663         enumerator = [o_subviews objectEnumerator];
 664         while( ( o_widget = [enumerator nextObject] ) )
 665         {
 666             int i_widget;
 667             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 668             {
 669                 i_show_advanced++;
 670                 continue;
 671             }
 672
 673             i_widget = [o_widget getViewType];
 674             i_yPos += [VLCConfigControl calcVerticalMargin:i_widget
 675                 lastItem:i_lastItem];
 676             [o_widget setYPos:i_yPos];
 677             o_frame = [o_widget frame];
 678             o_frame.size.width = [o_view frame].size.width -
 679                                     LEFTMARGIN - RIGHTMARGIN;
 680             [o_widget setFrame:o_frame];
 681             [o_widget alignWithXPosition: i_max_label];
 682             i_yPos += [o_widget frame].size.height;
 683             i_lastItem = i_widget;
 684             [o_view addSubview:o_widget];
 685          }
 686         if( i_show_advanced != 0 )
 687         {
 688             /* We add the advanced notice... */
 689             NSRect s_rc = [o_view frame];
 690             NSTextField *o_label;
 691             s_rc.size.height = 17;
 692             s_rc.origin.x = LEFTMARGIN;
 693             s_rc.origin.y = i_yPos += [VLCConfigControl
 694                                         calcVerticalMargin:CONFIG_ITEM_STRING
 695                                         lastItem:i_lastItem];
 696             o_label = [[[NSTextField alloc] initWithFrame: s_rc] retain];
 697             [o_label setDrawsBackground: NO];
 698             [o_label setBordered: NO];
 699             [o_label setEditable: NO];
 700             [o_label setSelectable: NO];
 701             [o_label setStringValue: _NS("Some options are hidden. " \
 702                                 "Check \"Advanced\" to display them.")];
 703             [o_label setFont:[NSFont systemFontOfSize:10]];
 704             [o_label sizeToFit];
 705             [o_view addSubview:o_label];
 706             i_yPos += [o_label frame].size.height;
 707         }
 708         o_frame = [o_view frame];
 709         o_frame.size.height = i_yPos;
 710         [o_view setFrame:o_frame];
 711         [o_prefs_view setDocumentView:o_view];
 712
 713     }
 714     return o_view;
 715 }
 716
 717 - (void)applyChanges
 718 {
 719     unsigned int i;
 720     if( o_subviews != nil )
 721         //Item has been shown
 722         for( i = 0 ; i < [o_subviews count] ; i++ )
 723             [[o_subviews objectAtIndex:i] applyChanges];
 724
 725     if( o_children != IsALeafNode )
 726         for( i = 0 ; i < [o_children count] ; i++ )
 727             [[o_children objectAtIndex:i] applyChanges];
 728 }
 729
 730 - (void)resetView
 731 {
 732     unsigned int i;
 733     if( o_subviews != nil )
 734     {
 735         //Item has been shown
 736         [o_subviews release];
 737         o_subviews = nil;
 738     }
 739
 740     if( o_children != IsALeafNode )
 741         for( i = 0 ; i < [o_children count] ; i++ )
 742             [[o_children objectAtIndex:i] resetView];
 743 }
 744
 745 @end
 746
 747
 748 @implementation VLCFlippedView
 749
 750 - (BOOL)isFlipped
 751 {
 752     return( YES );
 753 }
 754
 755 @end