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         p_end = p_parser->p_config + p_parser->confsize;
 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( p_module->psz_object_name, "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                 p_item = p_module->p_config;
 312                 o_children = [[NSMutableArray alloc] initWithCapacity:10];
 313                 if( p_item ) do
 314                 {
 315                     NSString *o_child_name;
 316                     NSString *o_child_title;
 317                     NSString *o_child_help;
 318                     switch( p_item->i_type )
 319                     {
 320                     case CONFIG_CATEGORY:
 321                                     if( p_item->value.i == -1 ) break;
 322
 323                         o_child_name = [[VLCMain sharedInstance]
 324                             localizedString: config_CategoryNameGet( p_item->value.i )];
 325                         o_child_title = o_child_name;
 326                         o_child_help = [[VLCMain sharedInstance]
 327                             localizedString: config_CategoryHelpGet( p_item->value.i )];
 328                         p_last_category = [VLCTreeItem alloc];
 329                         [o_children addObject:[p_last_category
 330                             initWithName: o_child_name
 331                             withTitle: o_child_title
 332                             withHelp: o_child_help
 333                             ID: p_item->value.i
 334                             parent:self
 335                             children:[[NSMutableArray alloc]
 336                                 initWithCapacity:10]
 337                             whithCategory: p_item - p_module->p_config]];
 338                         break;
 339                     case CONFIG_SUBCATEGORY:
 340                                     if( p_item->value.i == -1 ) break;
 341
 342                         if( p_item->value.i != SUBCAT_PLAYLIST_GENERAL &&
 343                             p_item->value.i != SUBCAT_VIDEO_GENERAL &&
 344                             p_item->value.i != SUBCAT_INPUT_GENERAL &&
 345                             p_item->value.i != SUBCAT_INTERFACE_GENERAL &&
 346                             p_item->value.i != SUBCAT_SOUT_GENERAL &&
 347                             p_item->value.i != SUBCAT_ADVANCED_MISC &&
 348                             p_item->value.i != SUBCAT_AUDIO_GENERAL )
 349                         {
 350                             o_child_name = [[VLCMain sharedInstance]
 351                                 localizedString: config_CategoryNameGet( p_item->value.i ) ];
 352                             o_child_title = o_child_name;
 353                             o_child_help = [[VLCMain sharedInstance]
 354                                 localizedString: config_CategoryHelpGet( p_item->value.i ) ];
 355
 356                             [p_last_category->o_children
 357                                 addObject:[[VLCTreeItem alloc]
 358                                 initWithName: o_child_name
 359                                 withTitle: o_child_title
 360                                 withHelp: o_child_help
 361                                 ID: p_item->value.i
 362                                 parent:p_last_category
 363                                 children:[[NSMutableArray alloc]
 364                                     initWithCapacity:10]
 365                                 whithCategory: p_item - p_module->p_config]];
 366                         }
 367
 368                         break;
 369                     default:
 370                         NSLog(@"unknow item in pref");
 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                 p_module = (module_t *)p_list->p_values[i_index].p_object;
 381
 382                 /* Exclude the main module */
 383                 if( !strcmp( p_module->psz_object_name, "main" ) )
 384                     continue;
 385
 386                 /* Exclude empty plugins (submodules don't have config */
 387                 /* options, they are stored in the parent module) */
 388                 if( p_module->b_submodule )
 389                     continue;
 390                 else
 391                     p_item = p_module->p_config;
 392
 393                 if( !p_item ) continue;
 394                 int i_category = -1;
 395                 int i_subcategory = -1;
 396                 int i_options = 0;
 397                 do
 398                 {
 399                     if( p_item->i_type == CONFIG_CATEGORY )
 400                         i_category = p_item->value.i;
 401                     else if( p_item->i_type == CONFIG_SUBCATEGORY )
 402                         i_subcategory = p_item->value.i;
 403
 404                     if( p_item->i_type & CONFIG_ITEM )
 405                         i_options ++;
 406                     if( i_options > 0 && i_category >= 0 && i_subcategory >= 0 )
 407                         break;
 408                 } while( p_item < p_end && p_item++ );
 409                 if( !i_options ) continue;
 410
 411                 /* Find the right category item */
 412
 413                 long cookie;
 414                 vlc_bool_t b_found = VLC_FALSE;
 415                 unsigned int i;
 416                 VLCTreeItem* p_category_item, * p_subcategory_item;
 417                 for (i = 0 ; i < [o_children count] ; i++)
 418                 {
 419                     p_category_item = [o_children objectAtIndex: i];
 420                     if( p_category_item->i_object_id == i_category )
 421                     {
 422                         b_found = VLC_TRUE;
 423                         break;
 424                     }
 425                 }
 426                 if( !b_found ) continue;
 427
 428                 /* Find subcategory item */
 429                 b_found = VLC_FALSE;
 430                 cookie = -1;
 431                 for (i = 0 ; i < [p_category_item->o_children count] ; i++)
 432                 {
 433                     p_subcategory_item = [p_category_item->o_children
 434                                             objectAtIndex: i];
 435                     if( p_subcategory_item->i_object_id == i_subcategory )
 436                     {
 437                         b_found = VLC_TRUE;
 438                         break;
 439                     }
 440                 }
 441                 if( !b_found )
 442                     p_subcategory_item = p_category_item;
 443
 444                 [p_subcategory_item->o_children addObject:[[VLCTreeItem alloc]
 445                     initWithName:[[VLCMain sharedInstance]
 446                         localizedString: (char *)p_module->psz_shortname ?
 447                         (char *)p_module->psz_shortname : (char *)p_module->psz_object_name ]
 448                     withTitle:[[VLCMain sharedInstance]
 449                         localizedString: (char *)p_module->psz_longname ?
 450                         (char *)p_module->psz_longname : (char *)p_module->psz_object_name ]
 451                     withHelp: @""
 452                     ID: 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( p_parser->psz_object_name, psz_module_name ) )
 511         {
 512             BOOL b_has_prefs = p_parser->i_config_items != 0;
 513             vlc_list_release( p_list );
 514             return( b_has_prefs );
 515         }
 516     }
 517
 518     vlc_list_release( p_list );
 519
 520     return( NO );
 521 }
 522
 523 - (NSView *)showView:(NSScrollView *)o_prefs_view
 524     advancedView:(vlc_bool_t) b_advanced
 525 {
 526     NSRect          s_vrc;
 527     NSView          *o_view;
 528
 529     [[VLCPrefs sharedInstance] setTitle: [self getTitle]];
 530     /* NSLog( [self getHelp] ); */
 531     s_vrc = [[o_prefs_view contentView] bounds]; s_vrc.size.height -= 4;
 532     o_view = [[VLCFlippedView alloc] initWithFrame: s_vrc];
 533     [o_view setAutoresizingMask: NSViewWidthSizable | NSViewMinYMargin |
 534                                     NSViewMaxYMargin];
 535 NSLog(@"%s", __FUNCTION__);
 536 /* Create all subviews if it isn't already done because we cannot use */
 537 /* setHiden for MacOS < 10.3*/
 538     if( o_subviews == nil )
 539     {
 540         intf_thread_t   *p_intf = VLCIntf;
 541         vlc_list_t      *p_list;
 542         module_t        *p_parser = NULL;
 543         module_config_t *p_item,
 544                         *p_end;
 545
 546         o_subviews = [[NSMutableArray alloc] initWithCapacity:10];
 547         /* Get a pointer to the module */
 548         if( i_object_category == -1 )
 549         {
 550             p_parser = (module_t *) vlc_object_get( p_intf, i_object_id );
 551             if( !p_parser || p_parser->i_object_type != VLC_OBJECT_MODULE )
 552             {
 553                 /* 0OOoo something went really bad */
 554                 return nil;
 555             }
 556
 557             p_end = p_parser->p_config + p_parser->confsize;
 558
 559             p_item = p_parser->p_config;
 560
 561             p_item = p_parser->p_config + 1;
 562
 563             do
 564             {
 565                 if( !p_item )
 566                 {
 567                     msg_Err( p_intf, "invalid preference item found" );
 568                     break;
 569                 }
 570                 if( p_item < p_end )
 571                     break;
 572                 switch(p_item->i_type)
 573                 {
 574                 case CONFIG_SUBCATEGORY:
 575                     break;
 576                 case CONFIG_CATEGORY:
 577                     break;
 578                 case CONFIG_SECTION:
 579                     break;
 580                 case CONFIG_HINT_USAGE:
 581                     break;
 582                 default:
 583                 {
 584                     VLCConfigControl *o_control = nil;
 585                     o_control = [VLCConfigControl newControl:p_item
 586                                                   withView:o_view];
 587                     if( o_control != nil )
 588                     {
 589                         [o_control setAutoresizingMask: NSViewMaxYMargin |
 590                             NSViewWidthSizable];
 591                         [o_subviews addObject: o_control];
 592                     }
 593                 }
 594                     break;
 595                 }
 596             } while( p_item < p_end && p_item++ );
 597
 598             vlc_object_release( p_parser );
 599         }
 600         else
 601         {
 602             int i_index;
 603             p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
 604             if( !p_list ) return o_view;
 605
 606             /*
 607             * Find the main module
 608             */
 609             for( i_index = 0; i_index < p_list->i_count; i_index++ )
 610             {
 611                 p_parser = (module_t *)p_list->p_values[i_index].p_object;
 612                 if( !strcmp( p_parser->psz_object_name, "main" ) )
 613                     break;
 614             }
 615             if( p_parser == NULL )
 616             {
 617                 msg_Err( p_intf, "could not load preferences" );
 618                 return o_view;
 619             }
 620             p_end = p_parser->p_config + p_parser->confsize;
 621
 622             p_item = (p_parser->p_config + i_object_category);
 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                     if( p_item->b_internal == VLC_TRUE )
 656                     {
 657                         break;
 658                     }
 659                     o_control = [VLCConfigControl newControl:p_item
 660                                                   withView:o_view];
 661                     if( o_control != nil )
 662                     {
 663                         [o_control setAutoresizingMask: NSViewMaxYMargin |
 664                                                         NSViewWidthSizable];
 665                         [o_subviews addObject: o_control];
 666                     }
 667                     break;
 668                 }
 669                 }
 670             } while ( ( p_item < p_end ) &&
 671                       ( p_item->i_type != CONFIG_SUBCATEGORY ) );
 672
 673             vlc_list_release( p_list );
 674         }
 675     }
 676
 677     if( o_view != nil )
 678     {
 679         int i_lastItem = 0;
 680         int i_yPos = -2;
 681         int i_max_label = 0;
 682         int i_show_advanced = 0;
 683
 684         NSEnumerator *enumerator = [o_subviews objectEnumerator];
 685         VLCConfigControl *o_widget;
 686         NSRect o_frame;
 687
 688         while( ( o_widget = [enumerator nextObject] ) )
 689             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 690                 continue;
 691             else if( i_max_label < [o_widget getLabelSize] )
 692                 i_max_label = [o_widget getLabelSize];
 693
 694         enumerator = [o_subviews objectEnumerator];
 695         while( ( o_widget = [enumerator nextObject] ) )
 696         {
 697             int i_widget;
 698             if( ( [o_widget isAdvanced] ) && (! b_advanced) )
 699             {
 700                 i_show_advanced++;
 701                 continue;
 702             }
 703
 704             i_widget = [o_widget getViewType];
 705             i_yPos += [VLCConfigControl calcVerticalMargin:i_widget
 706                 lastItem:i_lastItem];
 707             [o_widget setYPos:i_yPos];
 708             o_frame = [o_widget frame];
 709             o_frame.size.width = [o_view frame].size.width -
 710                                     LEFTMARGIN - RIGHTMARGIN;
 711             [o_widget setFrame:o_frame];
 712             [o_widget alignWithXPosition: i_max_label];
 713             i_yPos += [o_widget frame].size.height;
 714             i_lastItem = i_widget;
 715             [o_view addSubview:o_widget];
 716          }
 717         if( i_show_advanced != 0 )
 718         {
 719             /* We add the advanced notice... */
 720             NSRect s_rc = [o_view frame];
 721             NSTextField *o_label;
 722             s_rc.size.height = 17;
 723             s_rc.origin.x = LEFTMARGIN;
 724             s_rc.origin.y = i_yPos += [VLCConfigControl
 725                                         calcVerticalMargin:CONFIG_ITEM_STRING
 726                                         lastItem:i_lastItem];
 727             o_label = [[[NSTextField alloc] initWithFrame: s_rc] retain];
 728             [o_label setDrawsBackground: NO];
 729             [o_label setBordered: NO];
 730             [o_label setEditable: NO];
 731             [o_label setSelectable: NO];
 732             [o_label setStringValue: _NS("Some options are hidden. " \
 733                                 "Check \"Advanced\" to display them.")];
 734             [o_label setFont:[NSFont systemFontOfSize:10]];
 735             [o_label sizeToFit];
 736             [o_view addSubview:o_label];
 737             i_yPos += [o_label frame].size.height;
 738         }
 739         o_frame = [o_view frame];
 740         o_frame.size.height = i_yPos;
 741         [o_view setFrame:o_frame];
 742         [o_prefs_view setDocumentView:o_view];
 743
 744     }
 745     return o_view;
 746 }
 747
 748 - (void)applyChanges
 749 {
 750     unsigned int i;
 751     if( o_subviews != nil )
 752         //Item has been shown
 753         for( i = 0 ; i < [o_subviews count] ; i++ )
 754             [[o_subviews objectAtIndex:i] applyChanges];
 755
 756     if( o_children != IsALeafNode )
 757         for( i = 0 ; i < [o_children count] ; i++ )
 758             [[o_children objectAtIndex:i] applyChanges];
 759 }
 760
 761 - (void)resetView
 762 {
 763     unsigned int i;
 764     if( o_subviews != nil )
 765     {
 766         //Item has been shown
 767         [o_subviews release];
 768         o_subviews = nil;
 769     }
 770
 771     if( o_children != IsALeafNode )
 772         for( i = 0 ; i < [o_children count] ; i++ )
 773             [[o_children objectAtIndex:i] resetView];
 774 }
 775
 776 @end
 777
 778
 779 @implementation VLCFlippedView
 780
 781 - (BOOL)isFlipped
 782 {
 783     return( YES );
 784 }
 785
 786 @end