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

   1 /*****************************************************************************
   2  * prefs.m: MacOS X module for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002-2005 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 #include <vlc/vlc.h>
  50 #include <vlc_config_cat.h>
  51
  52 #include "intf.h"
  53 #include "prefs.h"
  54 #include "prefs_widgets.h"
  55 #include "vlc_keys.h"
  56
  57 /*****************************************************************************
  58  * VLCPrefs implementation
  59  *****************************************************************************/
  60 @implementation VLCPrefs
  61
  62 static VLCPrefs *_o_sharedMainInstance = nil;
  63
  64 + (VLCPrefs *)sharedInstance
  65 {
  66     return _o_sharedMainInstance ? _o_sharedMainInstance : [[self alloc] init];
  67 }
  68
  69 - (id)init
  70 {
  71     if( _o_sharedMainInstance ) {
  72         [self dealloc];
  73     }
  74     else
  75     {
  76         _o_sharedMainInstance = [super init];
  77         p_intf = VLCIntf;
  78         o_empty_view = [[NSView alloc] init];
  79     }
  80
  81     return _o_sharedMainInstance;
  82 }
  83
  84 - (void)dealloc
  85 {
  86     [o_empty_view release];
  87     [super dealloc];
  88 }
  89
  90 - (void)awakeFromNib
  91 {
  92     p_intf = VLCIntf;
  93     b_advanced = config_GetInt( p_intf, "advanced" );
  94
  95     [self initStrings];
  96     [o_advanced_ckb setState: b_advanced];
  97     [o_prefs_view setBorderType: NSGrooveBorder];
  98     [o_prefs_view setHasVerticalScroller: YES];
  99     [o_prefs_view setDrawsBackground: NO];
 100     [o_prefs_view setDocumentView: o_empty_view];
 101     [o_tree selectRow:0 byExtendingSelection:NO];
 102 }
 103
 104 - (void)setTitle: (NSString *) o_title_name
 105 {
 106     [o_title setStringValue: o_title_name];
 107 }
 108
 109 - (void)showPrefs
 110 {
 111     /* load our nib (if not already loaded) */
 112     [NSBundle loadNibNamed:@"Preferences" owner:self];
 113
 114     [o_prefs_window center];
 115     [o_prefs_window makeKeyAndOrderFront:self];
 116 }
 117
 118 - (void)initStrings
 119 {
 120     [o_prefs_window setTitle: _NS("Preferences")];
 121     [o_save_btn setTitle: _NS("Save")];
 122     [o_cancel_btn setTitle: _NS("Cancel")];
 123     [o_reset_btn setTitle: _NS("Reset All")];
 124     [o_advanced_ckb setTitle: _NS("Advanced")];
 125 }
 126
 127 - (IBAction)savePrefs: (id)sender
 128 {
 129     /* TODO: call savePrefs on Root item */
 130     [[VLCTreeItem rootItem] applyChanges];
 131     config_SaveConfigFile( p_intf, NULL );
 132     [o_prefs_window orderOut:self];
 133 }
 134
 135 - (IBAction)closePrefs: (id)sender
 136 {
 137     [o_prefs_window orderOut:self];
 138 }
 139
 140 - (IBAction)resetAll: (id)sender
 141 {
 142     NSBeginInformationalAlertSheet(_NS("Reset Preferences"), _NS("Cancel"),
 143         _NS("Continue"), nil, o_prefs_window, self,
 144         @selector(sheetDidEnd: returnCode: contextInfo:), NULL, nil,
 145         _NS("Beware this will reset the VLC media player preferences.\n"
 146             "Are you sure you want to continue?") );
 147 }
 148
 149 - (void)sheetDidEnd:(NSWindow *)o_sheet returnCode:(int)i_return
 150     contextInfo:(void *)o_context
 151 {
 152     if( i_return == NSAlertAlternateReturn )
 153     {
 154         [o_prefs_view setDocumentView: o_empty_view];
 155         config_ResetAll( p_intf );
 156         [[VLCTreeItem rootItem] resetView];
 157         [[o_tree itemAtRow:[o_tree selectedRow]]
 158             showView:o_prefs_view advancedView:
 159             ( [o_advanced_ckb state] == NSOnState ) ? VLC_TRUE : VLC_FALSE];
 160     }
 161 }
 162
 163 - (IBAction)advancedToggle: (id)sender
 164 {
 165     b_advanced = !b_advanced;
 166     [o_advanced_ckb setState: b_advanced];
 167     /* refresh the view of the current treeitem */
 168     [[o_tree itemAtRow:[o_tree selectedRow]] showView:o_prefs_view advancedView:
 169         ( [o_advanced_ckb state] == NSOnState ) ? VLC_TRUE : VLC_FALSE];
 170 }
 171
 172 - (void)loadConfigTree
 173 {
 174 }
 175
 176 - (void)outlineViewSelectionIsChanging:(NSNotification *)o_notification
 177 {
 178 }
 179
 180 /* update the document view to the view of the selected tree item */
 181 - (void)outlineViewSelectionDidChange:(NSNotification *)o_notification
 182 {
 183     [[o_tree itemAtRow:[o_tree selectedRow]] showView: o_prefs_view
 184         advancedView:( [o_advanced_ckb state] == NSOnState ) ?
 185         VLC_TRUE : VLC_FALSE];
 186 }
 187
 188 @end
 189
 190 @implementation VLCPrefs (NSTableDataSource)
 191
 192 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item {
 193     return (item == nil) ? [[VLCTreeItem rootItem] numberOfChildren] :
 194                             [item numberOfChildren];
 195 }
 196
 197 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
 198 {
 199     return (item == nil) ? YES : ( ([item numberOfChildren] != -1) &&
 200                                    ([item numberOfChildren] != 0));
 201 }
 202
 203 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item {
 204     return (item == nil) ? [[VLCTreeItem rootItem] childAtIndex:index] :
 205                             [item childAtIndex:index];
 206 }
 207
 208 - (id)outlineView:(NSOutlineView *)outlineView
 209     objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 210 {
 211     return (item == nil) ? @"" : (id)[item getName];
 212 }
 213
 214 @end
 215
 216 @implementation VLCTreeItem
 217
 218 static VLCTreeItem *o_root_item = nil;
 219
 220 #define IsALeafNode ((id)-1)
 221
 222 - (id)initWithName: (NSString *)o_item_name
 223     withTitle: (NSString *)o_item_title
 224     withHelp: (NSString *)o_item_help
 225     ID: (int)i_id
 226     parent:(VLCTreeItem *)o_parent_item
 227     children:(NSMutableArray *)o_children_array
 228     whithCategory: (int) i_category
 229 {
 230     self = [super init];
 231
 232     if( self != nil )
 233     {
 234         o_name = [o_item_name copy];
 235         o_title= [o_item_title copy];
 236         o_help= [o_item_help copy];
 237         i_object_id = i_id;
 238         o_parent = o_parent_item;
 239         o_children = o_children_array;
 240         i_object_category = i_category;
 241         o_subviews = nil;
 242     }
 243     return( self );
 244 }
 245
 246 + (VLCTreeItem *)rootItem
 247 {
 248    if (o_root_item == nil)
 249         o_root_item = [[VLCTreeItem alloc] initWithName:@"main" withTitle:@"main" withHelp:@"" ID:0
 250             parent:nil children:[[NSMutableArray alloc] initWithCapacity:10]
 251             whithCategory: -1];
 252    return o_root_item;
 253 }
 254
 255 - (void)dealloc
 256 {
 257     if (o_children != IsALeafNode) [o_children release];
 258     [o_name release];
 259     [o_title release];
 260     [o_help release];
 261     [super dealloc];
 262 }
 263
 264 /* Creates and returns the array of children
 265  * Loads children incrementally */
 266 - (NSArray *)children
 267 {
 268     if( o_children == IsALeafNode )
 269         return o_children;
 270     if( [ o_children count] == 0 )
 271     {
 272         intf_thread_t   *p_intf = VLCIntf;
 273         vlc_list_t      *p_list;
 274         module_t        *p_module = NULL;
 275         module_config_t *p_item;
 276         int             i_index;
 277
 278         /* List the modules */
 279         p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 280         if( !p_list ) return nil;
 281
 282         if( [[self getName] isEqualToString: @"main"] )
 283         {
 284             /*
 285             * Find the main module
 286             */
 287             for( i_index = 0; i_index < p_list->i_count; i_index++ )
 288             {
 289                 p_module = (module_t *)p_list->p_values[i_index].p_object;
 290                 if( !strcmp( p_module->psz_object_name, "main" ) )
 291                     break;
 292             }
 293             if( p_module == NULL )
 294             {
 295                 msg_Err( p_intf,
 296                     "could not load the preferences" );
 297                 return nil;
 298             }
 299             if( i_index < p_list->i_count )
 300             {
 301                 /* We found the main module */
 302                 /* Enumerate config categories and store a reference so we can
 303                  * generate their config panel them when it is asked by the user. */
 304                 VLCTreeItem *p_last_category = NULL;
 305                 p_item = p_module->p_config;
 306                 o_children = [[NSMutableArray alloc] initWithCapacity:10];
 307                 if( p_item ) do
 308                 {
 309                     NSString *o_child_name;
 310                     NSString *o_child_title;
 311                     NSString *o_child_help;
 312                     switch( p_item->i_type )
 313                     {
 314                     case CONFIG_CATEGORY:
 315                         if( p_item->i_value == -1 ) break;
 316                         o_child_name = [[VLCMain sharedInstance]
 317                             localizedString: config_CategoryNameGet( p_item->i_value ) ];
 318                         o_child_title = o_child_name;
 319                         o_child_help = [[VLCMain sharedInstance]
 320                             localizedString: config_CategoryHelpGet( p_item->i_value ) ];
 321                         p_last_category = [VLCTreeItem alloc];
 322                         [o_children addObject:[p_last_category
 323                             initWithName: o_child_name
 324                             withTitle: o_child_title
 325                             withHelp: o_child_help
 326                             ID: p_item->i_value
 327                             parent:self
 328                             children:[[NSMutableArray alloc]
 329                                 initWithCapacity:10]
 330                             whithCategory: p_item - p_module->p_config]];
 331                         break;
 332                     case CONFIG_SUBCATEGORY:
 333                         if( p_item->i_value == -1 ) break;
 334                         o_child_name = [[VLCMain sharedInstance]
 335                             localizedString: config_CategoryNameGet( p_item->i_value ) ];
 336                         o_child_title = o_child_name;
 337                         o_child_help = [[VLCMain sharedInstance]
 338                             localizedString: config_CategoryHelpGet( p_item->i_value ) ];
 339                         if( p_item->i_value != SUBCAT_PLAYLIST_GENERAL &&
 340                             p_item->i_value != SUBCAT_VIDEO_GENERAL &&
 341                             p_item->i_value != SUBCAT_AUDIO_GENERAL )
 342                             [p_last_category->o_children
 343                                 addObject:[[VLCTreeItem alloc]
 344                                 initWithName: o_child_name
 345                                 withTitle: o_child_title
 346                                 withHelp: o_child_help
 347                                 ID: p_item->i_value
 348                                 parent:p_last_category
 349                                 children:[[NSMutableArray alloc]
 350                                     initWithCapacity:10]
 351                                 whithCategory: p_item - p_module->p_config]];
 352                         break;
 353                     default:
 354                         break;
 355                     }
 356                 } while( p_item->i_type != CONFIG_HINT_END && p_item++ );
 357             }
 358
 359             /* Build a tree of the plugins */
 360             /* Add the capabilities */
 361             for( i_index = 0; i_index < p_list->i_count; i_index++ )
 362             {
 363                 p_module = (module_t *)p_list->p_values[i_index].p_object;
 364
 365                 /* Exclude the main module */
 366                 if( !strcmp( p_module->psz_object_name, "main" ) )
 367                     continue;
 368
 369                 /* Exclude empty plugins (submodules don't have config */
 370                 /* options, they are stored in the parent module) */
 371                 if( p_module->b_submodule )
 372                     continue;
 373                 else
 374                     p_item = p_module->p_config;
 375
 376                 if( !p_item ) continue;
 377                 int i_category = -1;
 378                 int i_subcategory = -1;
 379                 int i_options = 0;
 380                 do
 381                 {
 382                     if( p_item->i_type == CONFIG_CATEGORY )
 383                         i_category = p_item->i_value;
 384                     else if( p_item->i_type == CONFIG_SUBCATEGORY )
 385                         i_subcategory = p_item->i_value;
 386
 387                     if( p_item->i_type & CONFIG_ITEM )
 388                         i_options ++;
 389                     if( i_options > 0 && i_category >= 0 && i_subcategory >= 0 )
 390                         break;
 391                 } while( p_item->i_type != CONFIG_HINT_END && p_item++ );
 392                 if( !i_options ) continue;
 393
 394                 /* Find the right category item */
 395
 396                 long cookie;
 397                 vlc_bool_t b_found = VLC_FALSE;
 398                 unsigned int i;
 399                 VLCTreeItem* p_category_item, * p_subcategory_item;
 400                 for (i = 0 ; i < [o_children count] ; i++)
 401                 {
 402                     p_category_item = [o_children objectAtIndex: i];
 403                     if( p_category_item->i_object_id == i_category )
 404                     {
 405                         b_found = VLC_TRUE;
 406                         break;
 407                     }
 408                 }
 409                 if( !b_found ) continue;
 410
 411                 /* Find subcategory item */
 412                 b_found = VLC_FALSE;
 413                 cookie = -1;
 414                 for (i = 0 ; i < [p_category_item->o_children count] ; i++)
 415                 {
 416                     p_subcategory_item = [p_category_item->o_children
 417                                             objectAtIndex: i];
 418                     if( p_subcategory_item->i_object_id == i_subcategory )
 419                     {
 420                         b_found = VLC_TRUE;
 421                         break;
 422                     }
 423                 }
 424                 if( !b_found )
 425                     p_subcategory_item = p_category_item;
 426
 427                 [p_subcategory_item->o_children addObject:[[VLCTreeItem alloc]
 428                     initWithName:[[VLCMain sharedInstance]
 429                         localizedString: p_module->psz_shortname ?
 430                         p_module->psz_shortname : p_module->psz_object_name ]
 431                     withTitle:[[VLCMain sharedInstance]
 432                         localizedString: p_module->psz_longname ?
 433                         p_module->psz_longname : p_module->psz_object_name ]
 434                     withHelp: @""
 435                     ID: p_module->i_object_id
 436                     parent:p_subcategory_item
 437                     children:IsALeafNode
 438                     whithCategory: -1]];
 439             }
 440         }
 441         vlc_list_release( p_list );
 442     }
 443     return o_children;
 444 }
 445
 446 - (int)getObjectID
 447 {
 448     return i_object_id;
 449 }
 450
 451 - (NSString *)getName
 452 {
 453     return o_name;
 454 }
 455
 456 - (NSString *)getTitle
 457 {
 458     return o_title;
 459 }
 460
 461 - (NSString *)getHelp
 462 {
 463     return o_help;
 464 }
 465
 466 - (VLCTreeItem *)childAtIndex:(int)i_index
 467 {
 468     return [[self children] objectAtIndex:i_index];
 469 }
 470
 471 - (int)numberOfChildren {
 472     id i_tmp = [self children];
 473     return (i_tmp == IsALeafNode) ? (-1) : (int)[i_tmp count];
 474 }
 475
 476 - (BOOL)hasPrefs:(NSString *)o_module_name
 477 {
 478     intf_thread_t *p_intf = VLCIntf;
 479     module_t *p_parser;
 480     vlc_list_t *p_list;
 481     char *psz_module_name;
 482     int i_index;
 483
 484     psz_module_name = (char *)[o_module_name UTF8String];
 485
 486     /* look for module */
 487     p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 488
 489     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 490     {
 491         p_parser = (module_t *)p_list->p_values[i_index].p_object ;
 492
 493         if( !strcmp( p_parser->psz_object_name, psz_module_name ) )
 494         {
 495             BOOL b_has_prefs = p_parser->i_config_items != 0;
 496             vlc_list_release( p_list );
 497             return( b_has_prefs );
 498         }
 499     }
 500
 501     vlc_list_release( p_list );
 502
 503     return( NO );
 504 }
 505
 506 - (NSView *)showView:(NSScrollView *)o_prefs_view
 507     advancedView:(vlc_bool_t) b_advanced
 508 {
 509     NSRect          s_vrc;
 510     NSView          *o_view;
 511
 512     [[VLCPrefs sharedInstance] setTitle: [self getTitle]];
 513     /* NSLog( [self getHelp] ); */
 514     s_vrc = [[o_prefs_view contentView] bounds]; s_vrc.size.height -= 4;
 515     o_view = [[VLCFlippedView alloc] initWithFrame: s_vrc];
 516     [o_view setAutoresizingMask: NSViewWidthSizable | NSViewMinYMargin |
 517                                     NSViewMaxYMargin];
 518
 519 /* Create all subviews if it isn't already done because we cannot use */
 520 /* setHiden for MacOS < 10.3*/
 521     if( o_subviews == nil )
 522     {
 523         intf_thread_t   *p_intf = VLCIntf;
 524         vlc_list_t      *p_list;
 525         module_t        *p_parser = NULL;
 526         module_config_t *p_item;
 527
 528         o_subviews = [[NSMutableArray alloc] initWithCapacity:10];
 529         /* Get a pointer to the module */
 530         if( i_object_category == -1 )
 531         {
 532             p_parser = (module_t *) vlc_object_get( p_intf, i_object_id );
 533             if( !p_parser || p_parser->i_object_type != VLC_OBJECT_MODULE )
 534             {
 535                 /* 0OOoo something went really bad */
 536                 return nil;
 537             }
 538             p_item = p_parser->p_config;
 539             int i = 0;
 540
 541             p_item = p_parser->p_config + 1;
 542
 543             do
 544             {
 545                 if( !p_item )
 546                 {
 547                     msg_Err( p_intf, "invalid preference item found" );
 548                     break;
 549                 }
 550                 switch(p_item->i_type)
 551                 {
 552                 case CONFIG_SUBCATEGORY:
 553                     break;
 554                 case CONFIG_CATEGORY:
 555                     break;
 556                 case CONFIG_SECTION:
 557                     break;
 558                 case CONFIG_HINT_END:
 559                     break;
 560                 case CONFIG_HINT_USAGE:
 561                     break;
 562                 default:
 563                 {
 564                     VLCConfigControl *o_control = nil;
 565                     o_control = [VLCConfigControl newControl:p_item
 566                                                   withView:o_view];
 567                     if( o_control != nil )
 568                     {
 569                         [o_control setAutoresizingMask: NSViewMaxYMargin |
 570                             NSViewWidthSizable];
 571                         [o_subviews addObject: o_control];
 572                     }
 573                 }
 574                     break;
 575                 }
 576             } while( p_item++->i_type != CONFIG_HINT_END );
 577
 578             vlc_object_release( p_parser );
 579         }
 580         else
 581         {
 582             int i = 0;
 583             int i_index;
 584             p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 585             if( !p_list ) return o_view;
 586
 587             /*
 588             * Find the main module
 589             */
 590             for( i_index = 0; i_index < p_list->i_count; i_index++ )
 591             {
 592                 p_parser = (module_t *)p_list->p_values[i_index].p_object;
 593                 if( !strcmp( p_parser->psz_object_name, "main" ) )
 594                     break;
 595             }
 596             if( p_parser == NULL )
 597             {
 598                 msg_Err( p_intf, "could not load preferences" );
 599                 return o_view;
 600             }
 601             p_item = (p_parser->p_config + i_object_category);
 602             if( ( p_item->i_type == CONFIG_CATEGORY ) &&
 603               ( ( p_item->i_value == CAT_PLAYLIST )  ||
 604                 ( p_item->i_value == CAT_AUDIO )  ||
 605                 ( p_item->i_value == CAT_VIDEO ) ) )
 606                 p_item++;
 607
 608             do
 609             {
 610                 p_item++;
 611                 if( !p_item )
 612                 {
 613                     msg_Err( p_intf, "invalid preference item found" );
 614                     break;
 615                 }
 616                 switch( p_item->i_type )
 617                 {
 618                 case CONFIG_SUBCATEGORY:
 619                     break;
 620                 case CONFIG_CATEGORY:
 621                     break;
 622                 case CONFIG_SECTION:
 623                     break;
 624                 case CONFIG_HINT_END:
 625                     break;
 626                 case CONFIG_HINT_USAGE:
 627                     break;
 628                 default:
 629                 {
 630                     VLCConfigControl *o_control = nil;
 631                     o_control = [VLCConfigControl newControl:p_item
 632                                                   withView:o_view];
 633                     if( o_control != nil )
 634                     {
 635                         [o_control setAutoresizingMask: NSViewMaxYMargin |
 636                                                         NSViewWidthSizable];
 637                         [o_subviews addObject: o_control];
 638                     }
 639                     break;
 640                 }
 641                 }
 642             } while ( ( p_item->i_type != CONFIG_HINT_END ) &&
 643                       ( p_item->i_type != CONFIG_SUBCATEGORY ) );
 644
 645             vlc_list_release( p_list );
 646         }
 647     }
 648
 649     if( o_view != nil )
 650     {
 651         int i_lastItem = 0;
 652         int i_yPos = -2;
 653         int i_max_label = 0;
 654         int i_show_advanced = 0;
 655
 656         NSEnumerator *enumerator = [o_subviews objectEnumerator];
 657         VLCConfigControl *o_widget;
 658         NSRect o_frame;
 659
 660         while( ( o_widget = [enumerator nextObject] ) )
 661             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 662                 continue;
 663             else if( i_max_label < [o_widget getLabelSize] )
 664                 i_max_label = [o_widget getLabelSize];
 665
 666         enumerator = [o_subviews objectEnumerator];
 667         while( ( o_widget = [enumerator nextObject] ) )
 668         {
 669             int i_widget;
 670             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 671             {
 672                 i_show_advanced++;
 673                 continue;
 674             }
 675
 676             i_widget = [o_widget getViewType];
 677             i_yPos += [VLCConfigControl calcVerticalMargin:i_widget
 678                 lastItem:i_lastItem];
 679             [o_widget setYPos:i_yPos];
 680             o_frame = [o_widget frame];
 681             o_frame.size.width = [o_view frame].size.width -
 682                                     LEFTMARGIN - RIGHTMARGIN;
 683             [o_widget setFrame:o_frame];
 684             [o_widget alignWithXPosition: i_max_label];
 685             i_yPos += [o_widget frame].size.height;
 686             i_lastItem = i_widget;
 687             [o_view addSubview:o_widget];
 688          }
 689         if( i_show_advanced != 0 )
 690         {
 691             /* We add the advanced notice... */
 692             NSRect s_rc = [o_view frame];
 693             NSTextField *o_label;
 694             s_rc.size.height = 17;
 695             s_rc.origin.x = LEFTMARGIN;
 696             s_rc.origin.y = i_yPos += [VLCConfigControl
 697                                         calcVerticalMargin:CONFIG_ITEM_STRING
 698                                         lastItem:i_lastItem];
 699             o_label = [[[NSTextField alloc] initWithFrame: s_rc] retain];
 700             [o_label setDrawsBackground: NO];
 701             [o_label setBordered: NO];
 702             [o_label setEditable: NO];
 703             [o_label setSelectable: NO];
 704             [o_label setStringValue: _NS("Some options are hidden. " \
 705                                 "Check \"Advanced\" to display them.")];
 706             [o_label setFont:[NSFont systemFontOfSize:10]];
 707             [o_label sizeToFit];
 708             [o_view addSubview:o_label];
 709             i_yPos += [o_label frame].size.height;
 710         }
 711         o_frame = [o_view frame];
 712         o_frame.size.height = i_yPos;
 713         [o_view setFrame:o_frame];
 714         [o_prefs_view setDocumentView:o_view];
 715
 716     }
 717     return o_view;
 718 }
 719
 720 - (void)applyChanges
 721 {
 722     unsigned int i;
 723     if( o_subviews != nil )
 724         //Item has been shown
 725         for( i = 0 ; i < [o_subviews count] ; i++ )
 726             [[o_subviews objectAtIndex:i] applyChanges];
 727
 728     if( o_children != IsALeafNode )
 729         for( i = 0 ; i < [o_children count] ; i++ )
 730             [[o_children objectAtIndex:i] applyChanges];
 731 }
 732
 733 - (void)resetView
 734 {
 735     unsigned int i;
 736     if( o_subviews != nil )
 737     {
 738         //Item has been shown
 739         [o_subviews release];
 740         o_subviews = nil;
 741     }
 742
 743     if( o_children != IsALeafNode )
 744         for( i = 0 ; i < [o_children count] ; i++ )
 745             [[o_children objectAtIndex:i] resetView];
 746 }
 747
 748 @end
 749
 750
 751 @implementation VLCFlippedView
 752
 753 - (BOOL)isFlipped
 754 {
 755     return( YES );
 756 }
 757
 758 @end