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                 int i_category = -1;
 397                 int i_subcategory = -1;
 398                 int i_options = 0;
 399                 do
 400                 {
 401                     if( p_item->i_type == CONFIG_CATEGORY )
 402                         i_category = p_item->value.i;
 403                     else if( p_item->i_type == CONFIG_SUBCATEGORY )
 404                         i_subcategory = p_item->value.i;
 405
 406                     if( p_item->i_type & CONFIG_ITEM )
 407                         i_options ++;
 408                     if( i_options > 0 && i_category >= 0 && i_subcategory >= 0 )
 409                         break;
 410                 } while( p_item < p_end && p_item++ );
 411                 if( !i_options ) continue;
 412
 413                 /* Find the right category item */
 414
 415                 long cookie;
 416                 vlc_bool_t b_found = VLC_FALSE;
 417                 unsigned int i;
 418                 VLCTreeItem* p_category_item, * p_subcategory_item;
 419                 for (i = 0 ; i < [o_children count] ; i++)
 420                 {
 421                     p_category_item = [o_children objectAtIndex: i];
 422                     if( p_category_item->i_object_id == i_category )
 423                     {
 424                         b_found = VLC_TRUE;
 425                         break;
 426                     }
 427                 }
 428                 if( !b_found ) continue;
 429
 430                 /* Find subcategory item */
 431                 b_found = VLC_FALSE;
 432                 cookie = -1;
 433                 for (i = 0 ; i < [p_category_item->o_children count] ; i++)
 434                 {
 435                     p_subcategory_item = [p_category_item->o_children
 436                                             objectAtIndex: i];
 437                     if( p_subcategory_item->i_object_id == i_subcategory )
 438                     {
 439                         b_found = VLC_TRUE;
 440                         break;
 441                     }
 442                 }
 443                 if( !b_found )
 444                     p_subcategory_item = p_category_item;
 445
 446                 [p_subcategory_item->o_children addObject:[[VLCTreeItem alloc]
 447                     initWithName:[[VLCMain sharedInstance]
 448                         localizedString: module_GetName( p_module, VLC_FALSE ) ]
 449                     withTitle:[[VLCMain sharedInstance]
 450                         localizedString:  module_GetLongName( p_module ) ]
 451                     withHelp: @""
 452                     ID: ((vlc_object_t*)p_module)->i_object_id
 453                     parent:p_subcategory_item
 454                     children:IsALeafNode
 455                     whithCategory: -1]];
 456                 }
 457         }
 458         vlc_list_release( p_list );
 459     }
 460     return o_children;
 461 }
 462
 463 - (int)getObjectID
 464 {
 465     return i_object_id;
 466 }
 467
 468 - (NSString *)getName
 469 {
 470     return o_name;
 471 }
 472
 473 - (NSString *)getTitle
 474 {
 475     return o_title;
 476 }
 477
 478 - (NSString *)getHelp
 479 {
 480     return o_help;
 481 }
 482
 483 - (VLCTreeItem *)childAtIndex:(int)i_index
 484 {
 485     return [[self children] objectAtIndex:i_index];
 486 }
 487
 488 - (int)numberOfChildren {
 489     id i_tmp = [self children];
 490     return (i_tmp == IsALeafNode) ? (-1) : (int)[i_tmp count];
 491 }
 492
 493 - (BOOL)hasPrefs:(NSString *)o_module_name
 494 {
 495     intf_thread_t *p_intf = VLCIntf;
 496     module_t *p_parser;
 497     vlc_list_t *p_list;
 498     char *psz_module_name;
 499     int i_index;
 500
 501     psz_module_name = (char *)[o_module_name UTF8String];
 502
 503     /* look for module */
 504     p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 505
 506     for( i_index = 0; i_index < p_list->i_count; i_index++ )
 507     {
 508         p_parser = (module_t *)p_list->p_values[i_index].p_object ;
 509
 510         if( !strcmp( module_GetObjName( p_parser ), psz_module_name ) )
 511         {
 512             unsigned int confsize;
 513             module_GetConfig( p_parser, &confsize );
 514             BOOL b_has_prefs = confsize != 0;
 515             vlc_list_release( p_list );
 516             return( b_has_prefs );
 517         }
 518     }
 519
 520     vlc_list_release( p_list );
 521
 522     return( NO );
 523 }
 524
 525 - (NSView *)showView:(NSScrollView *)o_prefs_view
 526     advancedView:(vlc_bool_t) b_advanced
 527 {
 528     NSRect          s_vrc;
 529     NSView          *o_view;
 530
 531     [[VLCPrefs sharedInstance] setTitle: [self getTitle]];
 532     /* NSLog( [self getHelp] ); */
 533     s_vrc = [[o_prefs_view contentView] bounds]; s_vrc.size.height -= 4;
 534     o_view = [[VLCFlippedView alloc] initWithFrame: s_vrc];
 535     [o_view setAutoresizingMask: NSViewWidthSizable | NSViewMinYMargin |
 536                                     NSViewMaxYMargin];
 537
 538 /* Create all subviews if it isn't already done because we cannot use */
 539 /* setHiden for MacOS < 10.3*/
 540     if( o_subviews == nil )
 541     {
 542         intf_thread_t   *p_intf = VLCIntf;
 543         vlc_list_t      *p_list;
 544         module_t        *p_parser = NULL;
 545         module_config_t *p_item,
 546                         *p_end;
 547         unsigned int confsize;
 548
 549         o_subviews = [[NSMutableArray alloc] initWithCapacity:10];
 550         /* Get a pointer to the module */
 551         if( i_object_category == -1 )
 552         {
 553             p_parser = (module_t *) vlc_object_get( p_intf, i_object_id );
 554             if( !p_parser || ((vlc_object_t*)p_parser)->i_object_type != VLC_OBJECT_MODULE )
 555             {
 556                 /* 0OOoo something went really bad */
 557                 return nil;
 558             }
 559             p_item = module_GetConfig( p_parser, &confsize );
 560             p_end = p_item + confsize;
 561
 562             do
 563             {
 564                 if( !p_item )
 565                 {
 566                     msg_Err( p_intf, "invalid preference item found" );
 567                     break;
 568                 }
 569                 if( p_item > p_end )
 570                     break;
 571                 switch(p_item->i_type)
 572                 {
 573                 case CONFIG_SUBCATEGORY:
 574                     break;
 575                 case CONFIG_CATEGORY:
 576                     break;
 577                 case CONFIG_SECTION:
 578                     break;
 579                 case CONFIG_HINT_USAGE:
 580                     break;
 581                 default:
 582                 {
 583                     VLCConfigControl *o_control = nil;
 584                     o_control = [VLCConfigControl newControl:p_item
 585                                                   withView:o_view];
 586                     if( o_control != nil )
 587                     {
 588                         [o_control setAutoresizingMask: NSViewMaxYMargin |
 589                             NSViewWidthSizable];
 590                         [o_subviews addObject: o_control];
 591                     }
 592                 }
 593                     break;
 594                 }
 595             } while( p_item < p_end && p_item++ );
 596
 597             vlc_object_release( (vlc_object_t*)p_parser );
 598         }
 599         else
 600         {
 601             int i_index;
 602             p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 603             if( !p_list ) return o_view;
 604
 605             /*
 606             * Find the main module
 607             */
 608             for( i_index = 0; i_index < p_list->i_count; i_index++ )
 609             {
 610                 p_parser = (module_t *)p_list->p_values[i_index].p_object;
 611                 if( !strcmp( module_GetObjName( p_parser ), "main" ) )
 612                     break;
 613             }
 614             if( p_parser == NULL )
 615             {
 616                 msg_Err( p_intf, "could not load preferences" );
 617                 return o_view;
 618             }
 619             unsigned int confsize;
 620             p_item = module_GetConfig( p_parser, &confsize );
 621             p_end = p_item + confsize;
 622             p_item += i_object_category;
 623
 624             if( ( p_item->i_type == CONFIG_CATEGORY ) &&
 625               ( ( p_item->value.i == CAT_PLAYLIST )  ||
 626                 ( p_item->value.i == CAT_AUDIO )  ||
 627                 ( p_item->value.i == CAT_VIDEO ) ||
 628                 ( p_item->value.i == CAT_INTERFACE ) ||
 629                 ( p_item->value.i == CAT_INPUT ) ||
 630                 ( p_item->value.i == CAT_SOUT ) ) )
 631                 p_item++;
 632
 633             do
 634             {
 635                 p_item++;
 636                 if( !p_item || !p_item->i_type )
 637                 {
 638                     msg_Err( p_intf, "invalid preference item found" );
 639                     break;
 640                 }
 641                 if( p_item > p_end )
 642                     break;
 643                 switch( p_item->i_type )
 644                 {
 645                 case CONFIG_SUBCATEGORY:
 646                     break;
 647                 case CONFIG_CATEGORY:
 648                     break;
 649                 case CONFIG_SECTION:
 650                     break;
 651                 case CONFIG_HINT_USAGE:
 652                     break;
 653                 default:
 654                 {
 655                     VLCConfigControl *o_control = nil;
 656                     o_control = [VLCConfigControl newControl:p_item
 657                                                   withView:o_view];
 658                     if( o_control != nil )
 659                     {
 660                         [o_control setAutoresizingMask: NSViewMaxYMargin |
 661                                                         NSViewWidthSizable];
 662                         [o_subviews addObject: o_control];
 663                     }
 664                     break;
 665                 }
 666                 }
 667             } while ( ( p_item < p_end ) &&
 668                       ( p_item->i_type != CONFIG_SUBCATEGORY ) );
 669
 670             vlc_list_release( p_list );
 671         }
 672     }
 673
 674     if( o_view != nil )
 675     {
 676         int i_lastItem = 0;
 677         int i_yPos = -2;
 678         int i_max_label = 0;
 679         int i_show_advanced = 0;
 680
 681         NSEnumerator *enumerator = [o_subviews objectEnumerator];
 682         VLCConfigControl *o_widget;
 683         NSRect o_frame;
 684
 685         while( ( o_widget = [enumerator nextObject] ) )
 686             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 687                 continue;
 688             else if( i_max_label < [o_widget getLabelSize] )
 689                 i_max_label = [o_widget getLabelSize];
 690
 691         enumerator = [o_subviews objectEnumerator];
 692         while( ( o_widget = [enumerator nextObject] ) )
 693         {
 694             int i_widget;
 695             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 696             {
 697                 i_show_advanced++;
 698                 continue;
 699             }
 700
 701             i_widget = [o_widget getViewType];
 702             i_yPos += [VLCConfigControl calcVerticalMargin:i_widget
 703                 lastItem:i_lastItem];
 704             [o_widget setYPos:i_yPos];
 705             o_frame = [o_widget frame];
 706             o_frame.size.width = [o_view frame].size.width -
 707                                     LEFTMARGIN - RIGHTMARGIN;
 708             [o_widget setFrame:o_frame];
 709             [o_widget alignWithXPosition: i_max_label];
 710             i_yPos += [o_widget frame].size.height;
 711             i_lastItem = i_widget;
 712             [o_view addSubview:o_widget];
 713          }
 714         if( i_show_advanced != 0 )
 715         {
 716             /* We add the advanced notice... */
 717             NSRect s_rc = [o_view frame];
 718             NSTextField *o_label;
 719             s_rc.size.height = 17;
 720             s_rc.origin.x = LEFTMARGIN;
 721             s_rc.origin.y = i_yPos += [VLCConfigControl
 722                                         calcVerticalMargin:CONFIG_ITEM_STRING
 723                                         lastItem:i_lastItem];
 724             o_label = [[[NSTextField alloc] initWithFrame: s_rc] retain];
 725             [o_label setDrawsBackground: NO];
 726             [o_label setBordered: NO];
 727             [o_label setEditable: NO];
 728             [o_label setSelectable: NO];
 729             [o_label setStringValue: _NS("Some options are hidden. " \
 730                                 "Check \"Advanced\" to display them.")];
 731             [o_label setFont:[NSFont systemFontOfSize:10]];
 732             [o_label sizeToFit];
 733             [o_view addSubview:o_label];
 734             i_yPos += [o_label frame].size.height;
 735         }
 736         o_frame = [o_view frame];
 737         o_frame.size.height = i_yPos;
 738         [o_view setFrame:o_frame];
 739         [o_prefs_view setDocumentView:o_view];
 740
 741     }
 742     return o_view;
 743 }
 744
 745 - (void)applyChanges
 746 {
 747     unsigned int i;
 748     if( o_subviews != nil )
 749         //Item has been shown
 750         for( i = 0 ; i < [o_subviews count] ; i++ )
 751             [[o_subviews objectAtIndex:i] applyChanges];
 752
 753     if( o_children != IsALeafNode )
 754         for( i = 0 ; i < [o_children count] ; i++ )
 755             [[o_children objectAtIndex:i] applyChanges];
 756 }
 757
 758 - (void)resetView
 759 {
 760     unsigned int i;
 761     if( o_subviews != nil )
 762     {
 763         //Item has been shown
 764         [o_subviews release];
 765         o_subviews = nil;
 766     }
 767
 768     if( o_children != IsALeafNode )
 769         for( i = 0 ; i < [o_children count] ; i++ )
 770             [[o_children objectAtIndex:i] resetView];
 771 }
 772
 773 @end
 774
 775
 776 @implementation VLCFlippedView
 777
 778 - (BOOL)isFlipped
 779 {
 780     return( YES );
 781 }
 782
 783 @end