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