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., 59 Temple Place - Suite 330, Boston, MA  02111, 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)setHelp: (NSString *) o_help_name
 110 {
 111     [o_help setStringValue: o_help_name];
 112 }
 113
 114 - (void)showPrefs
 115 {
 116     /* load our nib (if not already loaded) */
 117     [NSBundle loadNibNamed:@"Preferences" owner:self];
 118
 119     [o_prefs_window center];
 120     [o_prefs_window makeKeyAndOrderFront:self];
 121 }
 122
 123 - (void)initStrings
 124 {
 125     [o_prefs_window setTitle: _NS("Preferences")];
 126     [o_save_btn setTitle: _NS("Save")];
 127     [o_cancel_btn setTitle: _NS("Cancel")];
 128     [o_reset_btn setTitle: _NS("Reset All")];
 129     [o_advanced_ckb setTitle: _NS("Advanced")];
 130 }
 131
 132 - (IBAction)savePrefs: (id)sender
 133 {
 134     /* TODO: call savePrefs on Root item */
 135     [[VLCTreeItem rootItem] applyChanges];
 136     config_SaveConfigFile( p_intf, NULL );
 137     [o_prefs_window orderOut:self];
 138 }
 139
 140 - (IBAction)closePrefs: (id)sender
 141 {
 142     [o_prefs_window orderOut:self];
 143 }
 144
 145 - (IBAction)resetAll: (id)sender
 146 {
 147     NSBeginInformationalAlertSheet(_NS("Reset Preferences"), _NS("Cancel"),
 148         _NS("Continue"), nil, o_prefs_window, self,
 149         @selector(sheetDidEnd: returnCode: contextInfo:), NULL, nil,
 150         _NS("Beware this will reset your VLC media player preferences.\n"
 151             "Are you sure you want to continue?") );
 152 }
 153
 154 - (void)sheetDidEnd:(NSWindow *)o_sheet returnCode:(int)i_return
 155     contextInfo:(void *)o_context
 156 {
 157     if( i_return == NSAlertAlternateReturn )
 158     {
 159         [o_prefs_view setDocumentView: o_empty_view];
 160         config_ResetAll( p_intf );
 161         [[VLCTreeItem rootItem] resetView];
 162         [[o_tree itemAtRow:[o_tree selectedRow]]
 163             showView:o_prefs_view advancedView:
 164             ( [o_advanced_ckb state] == NSOnState ) ? VLC_TRUE : VLC_FALSE];
 165     }
 166 }
 167
 168 - (IBAction)advancedToggle: (id)sender
 169 {
 170     b_advanced = !b_advanced;
 171     [o_advanced_ckb setState: b_advanced];
 172     /* refresh the view of the current treeitem */
 173     [[o_tree itemAtRow:[o_tree selectedRow]] showView:o_prefs_view advancedView:
 174         ( [o_advanced_ckb state] == NSOnState ) ? VLC_TRUE : VLC_FALSE];
 175 }
 176
 177 - (void)loadConfigTree
 178 {
 179 }
 180
 181 - (void)outlineViewSelectionIsChanging:(NSNotification *)o_notification
 182 {
 183 }
 184
 185 /* update the document view to the view of the selected tree item */
 186 - (void)outlineViewSelectionDidChange:(NSNotification *)o_notification
 187 {
 188     [[o_tree itemAtRow:[o_tree selectedRow]] showView: o_prefs_view
 189         advancedView:( [o_advanced_ckb state] == NSOnState ) ?
 190         VLC_TRUE : VLC_FALSE];
 191 }
 192
 193 @end
 194
 195 @implementation VLCPrefs (NSTableDataSource)
 196
 197 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item {
 198     return (item == nil) ? [[VLCTreeItem rootItem] numberOfChildren] :
 199                             [item numberOfChildren];
 200 }
 201
 202 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
 203 {
 204     return (item == nil) ? YES : ( ([item numberOfChildren] != -1) &&
 205                                    ([item numberOfChildren] != 0));
 206 }
 207
 208 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item {
 209     return (item == nil) ? [[VLCTreeItem rootItem] childAtIndex:index] :
 210                             [item childAtIndex:index];
 211 }
 212
 213 - (id)outlineView:(NSOutlineView *)outlineView
 214     objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 215 {
 216     return (item == nil) ? @"" : (id)[item getName];
 217 }
 218
 219 @end
 220
 221 @implementation VLCTreeItem
 222
 223 static VLCTreeItem *o_root_item = nil;
 224
 225 #define IsALeafNode ((id)-1)
 226
 227 - (id)initWithName: (NSString *)o_item_name
 228     withTitle: (NSString *)o_item_title
 229     withHelp: (NSString *)o_item_help
 230     ID: (int)i_id
 231     parent:(VLCTreeItem *)o_parent_item
 232     children:(NSMutableArray *)o_children_array
 233     whithCategory: (int) i_category
 234 {
 235     self = [super init];
 236
 237     if( self != nil )
 238     {
 239         o_name = [o_item_name copy];
 240         o_title= [o_item_title copy];
 241         o_help= [o_item_help copy];
 242         i_object_id = i_id;
 243         o_parent = o_parent_item;
 244         o_children = o_children_array;
 245         i_object_category = i_category;
 246         o_subviews = nil;
 247     }
 248     return( self );
 249 }
 250
 251 + (VLCTreeItem *)rootItem
 252 {
 253    if (o_root_item == nil)
 254         o_root_item = [[VLCTreeItem alloc] initWithName:@"main" withTitle:@"main" withHelp:@"" ID:0
 255             parent:nil children:[[NSMutableArray alloc] initWithCapacity:10]
 256             whithCategory: -1];
 257    return o_root_item;
 258 }
 259
 260 - (void)dealloc
 261 {
 262     if (o_children != IsALeafNode) [o_children release];
 263     [o_name release];
 264     [o_title release];
 265     [o_help release];
 266     [super dealloc];
 267 }
 268
 269 /* Creates and returns the array of children
 270  * Loads children incrementally */
 271 - (NSArray *)children
 272 {
 273     if( o_children == IsALeafNode )
 274         return o_children;
 275     if( [ o_children count] == 0 )
 276     {
 277         intf_thread_t   *p_intf = VLCIntf;
 278         vlc_list_t      *p_list;
 279         module_t        *p_module = NULL;
 280         module_config_t *p_item;
 281         int             i_index;
 282
 283         /* List the modules */
 284         p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 285         if( !p_list ) return nil;
 286
 287         if( [[self getName] isEqualToString: @"main"] )
 288         {
 289             /*
 290             * Find the main module
 291             */
 292             for( i_index = 0; i_index < p_list->i_count; i_index++ )
 293             {
 294                 p_module = (module_t *)p_list->p_values[i_index].p_object;
 295                 if( !strcmp( p_module->psz_object_name, "main" ) )
 296                     break;
 297             }
 298             if( p_module == NULL )
 299             {
 300                 msg_Err( p_intf,
 301                     "could not find the main module in our preferences" );
 302                 return nil;
 303             }
 304             if( i_index < p_list->i_count )
 305             {
 306                 /* We found the main module */
 307                 /* Enumerate config categories and store a reference so we can
 308                  * generate their config panel them when it is asked by the user. */
 309                 VLCTreeItem *p_last_category = NULL;
 310                 p_item = p_module->p_config;
 311                 o_children = [[NSMutableArray alloc] initWithCapacity:10];
 312                 if( p_item ) do
 313                 {
 314                     NSString *o_child_name;
 315                     NSString *o_child_title;
 316                     NSString *o_child_help;
 317                     switch( p_item->i_type )
 318                     {
 319                     case CONFIG_CATEGORY:
 320                         o_child_name = [[VLCMain sharedInstance]
 321                             localizedString: config_CategoryNameGet( p_item->i_value ) ];
 322                         o_child_title = o_child_name;
 323                         o_child_help = [[VLCMain sharedInstance]
 324                             localizedString: config_CategoryHelpGet( p_item->i_value ) ];
 325                         p_last_category = [VLCTreeItem alloc];
 326                         [o_children addObject:[p_last_category
 327                             initWithName: o_child_name
 328                             withTitle: o_child_title
 329                             withHelp: o_child_help
 330                             ID: p_item->i_value
 331                             parent:self
 332                             children:[[NSMutableArray alloc]
 333                                 initWithCapacity:10]
 334                             whithCategory: p_item - p_module->p_config]];
 335                         break;
 336                     case CONFIG_SUBCATEGORY:
 337                         o_child_name = [[VLCMain sharedInstance]
 338                             localizedString: config_CategoryNameGet( p_item->i_value ) ];
 339                         o_child_title = o_child_name;
 340                         o_child_help = [[VLCMain sharedInstance]
 341                             localizedString: config_CategoryHelpGet( p_item->i_value ) ];
 342                         if( p_item->i_value != SUBCAT_PLAYLIST_GENERAL &&
 343                             p_item->i_value != SUBCAT_VIDEO_GENERAL &&
 344                             p_item->i_value != SUBCAT_AUDIO_GENERAL )
 345                             [p_last_category->o_children
 346                                 addObject:[[VLCTreeItem alloc]
 347                                 initWithName: o_child_name
 348                                 withTitle: o_child_title
 349                                 withHelp: o_child_help
 350                                 ID: p_item->i_value
 351                                 parent:p_last_category
 352                                 children:[[NSMutableArray alloc]
 353                                     initWithCapacity:10]
 354                                 whithCategory: p_item - p_module->p_config]];
 355                         break;
 356                     default:
 357                         break;
 358                     }
 359                 } while( p_item->i_type != CONFIG_HINT_END && p_item++ );
 360             }
 361
 362             /* Build a tree of the plugins */
 363             /* Add the capabilities */
 364             for( i_index = 0; i_index < p_list->i_count; i_index++ )
 365             {
 366                 p_module = (module_t *)p_list->p_values[i_index].p_object;
 367
 368                 /* Exclude the main module */
 369                 if( !strcmp( p_module->psz_object_name, "main" ) )
 370                     continue;
 371
 372                 /* Exclude empty plugins (submodules don't have config */
 373                 /* options, they are stored in the parent module) */
 374                 if( p_module->b_submodule )
 375                     continue;
 376                 else
 377                     p_item = p_module->p_config;
 378
 379                 if( !p_item ) continue;
 380                 int i_category = -1;
 381                 int i_subcategory = -1;
 382                 int i_options = 0;
 383                 do
 384                 {
 385                     if( p_item->i_type == CONFIG_CATEGORY )
 386                         i_category = p_item->i_value;
 387                     else if( p_item->i_type == CONFIG_SUBCATEGORY )
 388                         i_subcategory = p_item->i_value;
 389
 390                     if( p_item->i_type & CONFIG_ITEM )
 391                         i_options ++;
 392                     if( i_options > 0 && i_category >= 0 && i_subcategory >= 0 )
 393                         break;
 394                 } while( p_item->i_type != CONFIG_HINT_END && p_item++ );
 395                 if( !i_options ) continue;
 396
 397                 /* Find the right category item */
 398
 399                 long cookie;
 400                 vlc_bool_t b_found = VLC_FALSE;
 401                 unsigned int i;
 402                 VLCTreeItem* p_category_item, * p_subcategory_item;
 403                 for (i = 0 ; i < [o_children count] ; i++)
 404                 {
 405                     p_category_item = [o_children objectAtIndex: i];
 406                     if( p_category_item->i_object_id == i_category )
 407                     {
 408                         b_found = VLC_TRUE;
 409                         break;
 410                     }
 411                 }
 412                 if( !b_found ) continue;
 413
 414                 /* Find subcategory item */
 415                 b_found = VLC_FALSE;
 416                 cookie = -1;
 417                 for (i = 0 ; i < [p_category_item->o_children count] ; i++)
 418                 {
 419                     p_subcategory_item = [p_category_item->o_children
 420                                             objectAtIndex: i];
 421                     if( p_subcategory_item->i_object_id == i_subcategory )
 422                     {
 423                         b_found = VLC_TRUE;
 424                         break;
 425                     }
 426                 }
 427                 if( !b_found )
 428                     p_subcategory_item = p_category_item;
 429
 430                 [p_subcategory_item->o_children addObject:[[VLCTreeItem alloc]
 431                     initWithName:[[VLCMain sharedInstance]
 432                         localizedString: p_module->psz_shortname ?
 433                         p_module->psz_shortname : p_module->psz_object_name ]
 434                     withTitle:[[VLCMain sharedInstance]
 435                         localizedString: p_module->psz_longname ?
 436                         p_module->psz_longname : p_module->psz_object_name ]
 437                     withHelp: @""
 438                     ID: p_module->i_object_id
 439                     parent:p_subcategory_item
 440                     children:IsALeafNode
 441                     whithCategory: -1]];
 442             }
 443         }
 444         vlc_list_release( p_list );
 445     }
 446     return o_children;
 447 }
 448
 449 - (int)getObjectID
 450 {
 451     return i_object_id;
 452 }
 453
 454 - (NSString *)getName
 455 {
 456     return o_name;
 457 }
 458
 459 - (NSString *)getTitle
 460 {
 461     return o_title;
 462 }
 463
 464 - (NSString *)getHelp
 465 {
 466     return o_help;
 467 }
 468
 469 - (VLCTreeItem *)childAtIndex:(int)i_index
 470 {
 471     return [[self children] objectAtIndex:i_index];
 472 }
 473
 474 - (int)numberOfChildren {
 475     id i_tmp = [self children];
 476     return (i_tmp == IsALeafNode) ? (-1) : (int)[i_tmp count];
 477 }
 478
 479 - (BOOL)hasPrefs:(NSString *)o_module_name
 480 {
 481     intf_thread_t *p_intf = VLCIntf;
 482     module_t *p_parser;
 483     vlc_list_t *p_list;
 484     char *psz_module_name;
 485     int i_index;
 486
 487     psz_module_name = (char *)[o_module_name UTF8String];
 488
 489     /* look for module */
 490     p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 491
 492     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 493     {
 494         p_parser = (module_t *)p_list->p_values[i_index].p_object ;
 495
 496         if( !strcmp( p_parser->psz_object_name, psz_module_name ) )
 497         {
 498             BOOL b_has_prefs = p_parser->i_config_items != 0;
 499             vlc_list_release( p_list );
 500             return( b_has_prefs );
 501         }
 502     }
 503
 504     vlc_list_release( p_list );
 505
 506     return( NO );
 507 }
 508
 509 - (NSView *)showView:(NSScrollView *)o_prefs_view
 510     advancedView:(vlc_bool_t) b_advanced
 511 {
 512     NSRect          s_vrc;
 513     NSView          *o_view;
 514
 515     [[VLCPrefs sharedInstance] setTitle: [self getTitle]];
 516     [[VLCPrefs sharedInstance] setHelp: [self getHelp]];
 517     /* NSLog( [self getHelp] ); */
 518     s_vrc = [[o_prefs_view contentView] bounds]; s_vrc.size.height -= 4;
 519     o_view = [[VLCFlippedView alloc] initWithFrame: s_vrc];
 520     [o_view setAutoresizingMask: NSViewWidthSizable | NSViewMinYMargin |
 521                                     NSViewMaxYMargin];
 522
 523 /* Create all subviews if it isn't already done because we cannot use */
 524 /* setHiden for MacOS < 10.3*/
 525     if( o_subviews == nil )
 526     {
 527         intf_thread_t   *p_intf = VLCIntf;
 528         vlc_list_t      *p_list;
 529         module_t        *p_parser = NULL;
 530         module_config_t *p_item;
 531
 532         o_subviews = [[NSMutableArray alloc] initWithCapacity:10];
 533         /* Get a pointer to the module */
 534         if( i_object_category == -1 )
 535         {
 536             p_parser = (module_t *) vlc_object_get( p_intf, i_object_id );
 537             if( !p_parser || p_parser->i_object_type != VLC_OBJECT_MODULE )
 538             {
 539                 /* 0OOoo something went really bad */
 540                 return nil;
 541             }
 542             p_item = p_parser->p_config;
 543             int i = 0;
 544
 545             p_item = p_parser->p_config + 1;
 546
 547             do
 548             {
 549                 if( !p_item )
 550                 {
 551                     msg_Err( p_intf, "null item found" );
 552                     break;
 553                 }
 554                 switch(p_item->i_type)
 555                 {
 556                 case CONFIG_SUBCATEGORY:
 557                     break;
 558                 case CONFIG_CATEGORY:
 559                     break;
 560                 case CONFIG_SECTION:
 561                     break;
 562                 case CONFIG_HINT_END:
 563                     break;
 564                 case CONFIG_HINT_USAGE:
 565                     break;
 566                 default:
 567                 {
 568                     VLCConfigControl *o_control = nil;
 569                     o_control = [VLCConfigControl newControl:p_item
 570                                                   withView:o_view];
 571                     if( o_control != nil )
 572                     {
 573                         [o_control setAutoresizingMask: NSViewMaxYMargin |
 574                             NSViewWidthSizable];
 575                         [o_subviews addObject: o_control];
 576                     }
 577                 }
 578                     break;
 579                 }
 580             } while( p_item++->i_type != CONFIG_HINT_END );
 581
 582             vlc_object_release( p_parser );
 583         }
 584         else
 585         {
 586             int i = 0;
 587             int i_index;
 588             p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 589             if( !p_list ) return o_view;
 590
 591             /*
 592             * Find the main module
 593             */
 594             for( i_index = 0; i_index < p_list->i_count; i_index++ )
 595             {
 596                 p_parser = (module_t *)p_list->p_values[i_index].p_object;
 597                 if( !strcmp( p_parser->psz_object_name, "main" ) )
 598                     break;
 599             }
 600             if( p_parser == NULL )
 601             {
 602                 msg_Err( p_intf, "could not find the main module in our "
 603                                     "preferences" );
 604                 return o_view;
 605             }
 606             p_item = (p_parser->p_config + i_object_category);
 607             if( ( p_item->i_type == CONFIG_CATEGORY ) &&
 608               ( ( p_item->i_value == CAT_PLAYLIST )  ||
 609                 ( p_item->i_value == CAT_AUDIO )  ||
 610                 ( p_item->i_value == CAT_VIDEO ) ) )
 611                 p_item++;
 612
 613             do
 614             {
 615                 p_item++;
 616                 if( !p_item )
 617                 {
 618                     msg_Err( p_intf, "null item found" );
 619                     break;
 620                 }
 621                 switch( p_item->i_type )
 622                 {
 623                 case CONFIG_SUBCATEGORY:
 624                     break;
 625                 case CONFIG_CATEGORY:
 626                     break;
 627                 case CONFIG_SECTION:
 628                     break;
 629                 case CONFIG_HINT_END:
 630                     break;
 631                 case CONFIG_HINT_USAGE:
 632                     break;
 633                 default:
 634                 {
 635                     VLCConfigControl *o_control = nil;
 636                     o_control = [VLCConfigControl newControl:p_item
 637                                                   withView:o_view];
 638                     if( o_control != nil )
 639                     {
 640                         [o_control setAutoresizingMask: NSViewMaxYMargin |
 641                                                         NSViewWidthSizable];
 642                         [o_subviews addObject: o_control];
 643                     }
 644                     break;
 645                 }
 646                 }
 647             } while ( ( p_item->i_type != CONFIG_HINT_END ) &&
 648                       ( p_item->i_type != CONFIG_SUBCATEGORY ) );
 649
 650             vlc_list_release( p_list );
 651         }
 652     }
 653
 654     if( o_view != nil )
 655     {
 656         int i_lastItem = 0;
 657         int i_yPos = -2;
 658         int i_max_label = 0;
 659         int i_show_advanced = 0;
 660
 661         NSEnumerator *enumerator = [o_subviews objectEnumerator];
 662         VLCConfigControl *o_widget;
 663         NSRect o_frame;
 664
 665         while( ( o_widget = [enumerator nextObject] ) )
 666             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 667                 continue;
 668             else if( i_max_label < [o_widget getLabelSize] )
 669                 i_max_label = [o_widget getLabelSize];
 670
 671         enumerator = [o_subviews objectEnumerator];
 672         while( ( o_widget = [enumerator nextObject] ) )
 673         {
 674             int i_widget;
 675             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 676             {
 677                 i_show_advanced++;
 678                 continue;
 679             }
 680
 681             i_widget = [o_widget getViewType];
 682             i_yPos += [VLCConfigControl calcVerticalMargin:i_widget
 683                 lastItem:i_lastItem];
 684             [o_widget setYPos:i_yPos];
 685             o_frame = [o_widget frame];
 686             o_frame.size.width = [o_view frame].size.width -
 687                                     LEFTMARGIN - RIGHTMARGIN;
 688             [o_widget setFrame:o_frame];
 689             [o_widget alignWithXPosition: i_max_label];
 690             i_yPos += [o_widget frame].size.height;
 691             i_lastItem = i_widget;
 692             [o_view addSubview:o_widget];
 693          }
 694         if( i_show_advanced != 0 )
 695         {
 696             /* We add the advanced notice... */
 697             NSRect s_rc = [o_view frame];
 698             NSTextField *o_label;
 699             s_rc.size.height = 17;
 700             s_rc.origin.x = LEFTMARGIN;
 701             s_rc.origin.y = i_yPos += [VLCConfigControl
 702                                         calcVerticalMargin:CONFIG_ITEM_STRING
 703                                         lastItem:i_lastItem];
 704             o_label = [[[NSTextField alloc] initWithFrame: s_rc] retain];
 705             [o_label setDrawsBackground: NO];
 706             [o_label setBordered: NO];
 707             [o_label setEditable: NO];
 708             [o_label setSelectable: NO];
 709             [o_label setStringValue: _NS("Some options are available but " \
 710                                 "hidden. Check \"Advanced\" to see them.")];
 711             [o_label setFont:[NSFont systemFontOfSize:10]];
 712             [o_label sizeToFit];
 713             [o_view addSubview:o_label];
 714             i_yPos += [o_label frame].size.height;
 715         }
 716         o_frame = [o_view frame];
 717         o_frame.size.height = i_yPos;
 718         [o_view setFrame:o_frame];
 719         [o_prefs_view setDocumentView:o_view];
 720
 721     }
 722     return o_view;
 723 }
 724
 725 - (void)applyChanges
 726 {
 727     unsigned int i;
 728     if( o_subviews != nil )
 729         //Item has been shown
 730         for( i = 0 ; i < [o_subviews count] ; i++ )
 731             [[o_subviews objectAtIndex:i] applyChanges];
 732
 733     if( o_children != IsALeafNode )
 734         for( i = 0 ; i < [o_children count] ; i++ )
 735             [[o_children objectAtIndex:i] applyChanges];
 736 }
 737
 738 - (void)resetView
 739 {
 740     unsigned int i;
 741     if( o_subviews != nil )
 742     {
 743         //Item has been shown
 744         [o_subviews release];
 745         o_subviews = nil;
 746     }
 747
 748     if( o_children != IsALeafNode )
 749         for( i = 0 ; i < [o_children count] ; i++ )
 750             [[o_children objectAtIndex:i] resetView];
 751 }
 752
 753 @end
 754
 755
 756 @implementation VLCFlippedView
 757
 758 - (BOOL)isFlipped
 759 {
 760     return( YES );
 761 }
 762
 763 @end