]> git.sesse.net Git - vlc/blobdiff - modules/gui/macosx/prefs.m
macosx: Remove unneeded restart.
[vlc] / modules / gui / macosx / prefs.m
index a75ad87b27f04514e85e07b55dd39495eff92a7b..8cee063e8c6321a9c156518a5732f0af29dcd2fb 100644 (file)
@@ -30,7 +30,6 @@
    - the documentview with all the prefs widgets in it
    - a saveChanges action
    - a revertChanges action
-   - an advanced action (to hide/show advanced options)
    - a redraw view action
    - the children action should generate a list of the treeitems children (to be used by VLCPrefs datasource)
 
 
 /* /!\ Warning: Unreadable code :/ */
 
+@interface VLCTreeItem : NSObject
+{
+    NSString *_name;
+    NSMutableArray *_children;
+    NSMutableArray *_options;
+    NSMutableArray *_subviews;
+}
+
+- (id)initWithName:(NSString*)name;
+
+- (int)numberOfChildren;
+- (VLCTreeItem *)childAtIndex:(NSInteger)i_index;
+
+- (NSString *)name;
+- (NSMutableArray *)children;
+- (NSMutableArray *)options;
+- (void)showView:(NSScrollView *)o_prefs_view;
+- (void)applyChanges;
+- (void)resetView;
+
+@end
+
+/* CONFIG_SUBCAT */
+@interface VLCTreeSubCategoryItem : VLCTreeItem
+{
+    int _subCategory;
+}
++ (VLCTreeSubCategoryItem *)subCategoryTreeItemWithSubCategory:(int)subCategory;
+- (id)initWithSubCategory:(int)subCategory;
+- (int)subCategory;
+@end
+
+/* Plugin daughters */
+@interface VLCTreePluginItem : VLCTreeItem
+{
+    module_config_t * _configItems;
+    unsigned int _configSize;
+}
++ (VLCTreePluginItem *)pluginTreeItemWithPlugin:(module_t *)plugin;
+- (id)initWithPlugin:(module_t *)plugin;
+
+- (module_config_t *)configItems;
+- (unsigned int)configSize;
+@end
+
+/* CONFIG_CAT */
+@interface VLCTreeCategoryItem : VLCTreeItem
+{
+    int _category;
+}
++ (VLCTreeCategoryItem *)categoryTreeItemWithCategory:(int)category;
+- (id)initWithCategory:(int)category;
+
+- (int)category;
+- (VLCTreeSubCategoryItem *)itemRepresentingSubCategory:(int)category;
+@end
+
+/* individual options. */
+@interface VLCTreeLeafItem : VLCTreeItem
+{
+    module_config_t * _configItem;
+}
+- (id)initWithConfigItem:(module_config_t *)configItem;
+
+- (module_config_t *)configItem;
+@end
+
+@interface VLCTreeMainItem : VLCTreePluginItem
+{
+}
+- (VLCTreeCategoryItem *)itemRepresentingCategory:(int)category;
+@end
+
+#pragma mark -
+
 /*****************************************************************************
  * VLCPrefs implementation
  *****************************************************************************/
@@ -83,6 +157,7 @@ static VLCPrefs *_o_sharedMainInstance = nil;
         _o_sharedMainInstance = [super init];
         p_intf = VLCIntf;
         o_empty_view = [[NSView alloc] init];
+        _rootTreeItem = [[VLCTreeMainItem alloc] init];
     }
 
     return _o_sharedMainInstance;
@@ -91,21 +166,20 @@ static VLCPrefs *_o_sharedMainInstance = nil;
 - (void)dealloc
 {
     [o_empty_view release];
+    [_rootTreeItem release];
     [super dealloc];
 }
 
 - (void)awakeFromNib
 {
     p_intf = VLCIntf;
-    b_advanced = config_GetInt( p_intf, "advanced" );
 
     [self initStrings];
-    [o_advanced_ckb setState: b_advanced];
     [o_prefs_view setBorderType: NSGrooveBorder];
     [o_prefs_view setHasVerticalScroller: YES];
     [o_prefs_view setDrawsBackground: NO];
     [o_prefs_view setDocumentView: o_empty_view];
-    [o_tree selectRow:0 byExtendingSelection:NO];
+       [o_tree selectRowIndexes: [NSIndexSet indexSetWithIndex: 0] byExtendingSelection: NO];
 }
 
 - (void)setTitle: (NSString *) o_title_name
@@ -120,6 +194,7 @@ static VLCPrefs *_o_sharedMainInstance = nil;
     
     [o_prefs_window center];
     [o_prefs_window makeKeyAndOrderFront:self];
+    [_rootTreeItem resetView];
 }
 
 - (void)initStrings
@@ -128,7 +203,6 @@ static VLCPrefs *_o_sharedMainInstance = nil;
     [o_save_btn setTitle: _NS("Save")];
     [o_cancel_btn setTitle: _NS("Cancel")];
     [o_reset_btn setTitle: _NS("Reset All")];
-    [o_advanced_ckb setTitle: _NS("Advanced")];
     [[o_basicFull_matrix cellAtRow: 0 column: 0] setStringValue: _NS("Basic")];
     [[o_basicFull_matrix cellAtRow: 0 column: 1] setStringValue: _NS("All")];
 }
@@ -136,7 +210,7 @@ static VLCPrefs *_o_sharedMainInstance = nil;
 - (IBAction)savePrefs: (id)sender
 {
     /* TODO: call savePrefs on Root item */
-    [[VLCTreeItem rootItem] applyChanges];
+    [_rootTreeItem applyChanges];
     config_SaveConfigFile( p_intf, NULL );
     [o_prefs_window orderOut:self];
 }
@@ -160,30 +234,17 @@ static VLCPrefs *_o_sharedMainInstance = nil;
 {
     if( i_return == NSAlertAlternateReturn )
     {
-        [o_prefs_view setDocumentView: o_empty_view];
         config_ResetAll( p_intf );
-        [[VLCTreeItem rootItem] resetView];
-        [[o_tree itemAtRow:[o_tree selectedRow]]
-            showView:o_prefs_view advancedView:
-            ( [o_advanced_ckb state] == NSOnState ) ? true : false];
+        [_rootTreeItem resetView];
     }
 }
 
-- (IBAction)advancedToggle: (id)sender
-{
-    b_advanced = !b_advanced;
-    [o_advanced_ckb setState: b_advanced];
-    /* refresh the view of the current treeitem */
-    [[o_tree itemAtRow:[o_tree selectedRow]] showView:o_prefs_view advancedView:
-        ( [o_advanced_ckb state] == NSOnState ) ? true : false];
-}
-
 - (IBAction)buttonAction: (id)sender
 {
     [o_prefs_window orderOut: self];
     [[o_basicFull_matrix cellAtRow:0 column:0] setState: NSOnState];
     [[o_basicFull_matrix cellAtRow:0 column:1] setState: NSOffState];
-    [[[VLCMain sharedInstance] getSimplePreferences] showSimplePrefs];
+    [[[VLCMain sharedInstance] simplePreferences] showSimplePrefs];
 }
 
 - (void)loadConfigTree
@@ -197,535 +258,421 @@ static VLCPrefs *_o_sharedMainInstance = nil;
 /* update the document view to the view of the selected tree item */
 - (void)outlineViewSelectionDidChange:(NSNotification *)o_notification
 {
-    [[o_tree itemAtRow:[o_tree selectedRow]] showView: o_prefs_view
-        advancedView:( [o_advanced_ckb state] == NSOnState ) ?
-        true : false];
+    [[o_tree itemAtRow:[o_tree selectedRow]] showView: o_prefs_view];
+    [o_tree expandItem:[o_tree itemAtRow:[o_tree selectedRow]]];
 }
 
 @end
 
 @implementation VLCPrefs (NSTableDataSource)
 
-- (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item {
-    return (item == nil) ? [[VLCTreeItem rootItem] numberOfChildren] :
-                            [item numberOfChildren];
+- (NSInteger)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
+{
+    return (item == nil) ? [_rootTreeItem numberOfChildren] : [item numberOfChildren];
 }
 
 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
 {
-    return (item == nil) ? YES : ( ([item numberOfChildren] != -1) &&
-                                   ([item numberOfChildren] != 0));
+    return (item == nil) ? [_rootTreeItem numberOfChildren] : [item numberOfChildren];
 }
 
-- (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item {
-    return (item == nil) ? [[VLCTreeItem rootItem] childAtIndex:index] :
-                            (id)[item childAtIndex:index];
+- (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index ofItem:(id)item
+{
+    return (item == nil) ? (id)[_rootTreeItem childAtIndex:index]: (id)[item childAtIndex:index];
 }
 
 - (id)outlineView:(NSOutlineView *)outlineView
     objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 {
-    return (item == nil) ? @"" : (id)[item getName];
+    return (item == nil) ? @"" : [item name];
 }
 
 @end
 
-@implementation VLCTreeItem
-
-static VLCTreeItem *o_root_item = nil;
+#pragma mark -
+@implementation VLCTreeMainItem
 
-#define IsALeafNode ((id)-1)
-
-- (id)initWithName: (NSString *)o_item_name
-    withTitle: (NSString *)o_item_title
-    withHelp: (NSString *)o_item_help
-    ID: (int)i_id
-    parent:(VLCTreeItem *)o_parent_item
-    children:(NSMutableArray *)o_children_array
-    whithCategory: (int) i_category
+- (VLCTreeCategoryItem *)itemRepresentingCategory:(int)category
 {
-    self = [super init];
-
-    if( self != nil )
+    for( int i = 0; i < [[self children] count]; i++ )
     {
-        o_name = [o_item_name copy];
-        o_title= [o_item_title copy];
-        o_help= [o_item_help copy];
-        i_object_id = i_id;
-        o_parent = o_parent_item;
-        o_children = o_children_array;
-        i_object_category = i_category;
-        o_subviews = nil;
+        VLCTreeCategoryItem * categoryItem = [[self children] objectAtIndex:i];
+        if( [categoryItem category] == category )
+            return categoryItem;
     }
-    return( self );
+    return nil;
 }
 
-+ (VLCTreeItem *)rootItem
-{
-   if (o_root_item == nil)
-        o_root_item = [[VLCTreeItem alloc] initWithName:@"main" withTitle:@"main" withHelp:@"" ID:0
-            parent:nil children:[[NSMutableArray alloc] initWithCapacity:10]
-            whithCategory: -1];
-   return o_root_item;
-}
-
-- (void)dealloc
+- (bool)isSubCategoryGeneral:(int)category
 {
-    if (o_children != IsALeafNode) [o_children release];
-    [o_name release];
-    [o_title release];
-    [o_help release];
-    [super dealloc];
+    if(category == SUBCAT_VIDEO_GENERAL ||
+          category == SUBCAT_ADVANCED_MISC ||
+          category == SUBCAT_INPUT_GENERAL ||
+          category == SUBCAT_INTERFACE_GENERAL ||
+          category == SUBCAT_SOUT_GENERAL||
+          category == SUBCAT_PLAYLIST_GENERAL||
+          category == SUBCAT_AUDIO_GENERAL )
+    {
+        return true;
+    }
+    return false;
 }
 
 /* Creates and returns the array of children
  * Loads children incrementally */
-- (NSArray *)children
+- (NSMutableArray *)children
 {
-    if( o_children == IsALeafNode )
-        return o_children;
-    if( [ o_children count] == 0 )
-    {
-        intf_thread_t   *p_intf = VLCIntf;
-        vlc_list_t      *p_list;
-        module_t        *p_module = NULL;
-        module_t        *p_main_module;
-        module_config_t *p_items;
-        int             i = 0;
-        if( [[self getName] isEqualToString: @"main"] )
-        {
-            p_main_module = module_GetMainModule( p_intf );
-            assert( p_main_module );
-
-            /* We found the main module */
-            /* Enumerate config categories and store a reference so we can
-             * generate their config panel them when it is asked by the user. */
-            VLCTreeItem *p_last_category = NULL;
-            unsigned int i_confsize;
-            p_items = module_GetConfig( p_main_module, &i_confsize );
-            o_children = [[NSMutableArray alloc] initWithCapacity:10];
-            for( int i = 0; i < i_confsize; i++ )
-            {
-                NSString *o_child_name;
-                NSString *o_child_title;
-                NSString *o_child_help;
-                switch( p_items[i].i_type )
-                {
-                case CONFIG_CATEGORY:
-                    if( p_items[i].value.i == -1 ) break;
-
-                    o_child_name = [[VLCMain sharedInstance]
-                        localizedString: config_CategoryNameGet( p_items[i].value.i )];
-                    o_child_title = o_child_name;
-                    o_child_help = [[VLCMain sharedInstance]
-                        localizedString: config_CategoryHelpGet( p_items[i].value.i )];
-                    p_last_category = [VLCTreeItem alloc];
-                    [o_children addObject:[p_last_category
-                        initWithName: o_child_name
-                        withTitle: o_child_title
-                        withHelp: o_child_help
-                        ID: p_items[i].value.i
-                        parent:self
-                        children:[[NSMutableArray alloc]
-                            initWithCapacity:10]
-                        whithCategory: p_items[i].i_type]];
-                    break;
-                case CONFIG_SUBCATEGORY:
-                    if( p_items[i].value.i == -1 ) break;
-
-                    if( p_items[i].value.i != SUBCAT_PLAYLIST_GENERAL &&
-                        p_items[i].value.i != SUBCAT_VIDEO_GENERAL &&
-                        p_items[i].value.i != SUBCAT_INPUT_GENERAL &&
-                        p_items[i].value.i != SUBCAT_INTERFACE_GENERAL &&
-                        p_items[i].value.i != SUBCAT_SOUT_GENERAL &&
-                        p_items[i].value.i != SUBCAT_ADVANCED_MISC &&
-                        p_items[i].value.i != SUBCAT_AUDIO_GENERAL )
-                    {
-                        o_child_name = [[VLCMain sharedInstance]
-                            localizedString: config_CategoryNameGet( p_items[i].value.i ) ];
-                        o_child_title = o_child_name;
-                        o_child_help = [[VLCMain sharedInstance]
-                            localizedString: config_CategoryHelpGet( p_items[i].value.i ) ];
-
-                        [p_last_category->o_children
-                            addObject:[[VLCTreeItem alloc]
-                            initWithName: o_child_name
-                            withTitle: o_child_title
-                            withHelp: o_child_help
-                            ID: p_items[i].value.i
-                            parent:p_last_category
-                            children:[[NSMutableArray alloc]
-                                initWithCapacity:10]
-                            whithCategory: p_items[i].i_type]];
-                    }
+    if( _children ) return _children;
+    _children = [[NSMutableArray alloc] init];
 
-                    break;
-                default:
-                    break;
-                }
-                vlc_object_release( (vlc_object_t *)p_main_module );
-            }
+    intf_thread_t   *p_intf = VLCIntf;
 
-            /* List the modules */
-            p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
-            if( !p_list ) return nil;
+    /* List the modules */
+    size_t count, i;
+    module_t ** modules = module_list_get( &count );
+    if( !modules ) return nil;
 
-            /* Build a tree of the plugins */
-            /* Add the capabilities */
-            for( i = 0; i < p_list->i_count; i++ )
-            {
-                unsigned int confsize;
-                p_module = (module_t *)p_list->p_values[i].p_object;
-
-                /* Exclude the main module */
-                if( module_IsMainModule( p_module ) )
-                    continue;
-
-                /* Exclude empty plugins (submodules don't have config */
-                /* options, they are stored in the parent module) */
-// Does not work
-//                if( modules_IsSubModule( p_module ) )
-//                    continue;
-                p_items = module_GetConfig( p_module, &confsize );
+    /* Build a tree of the plugins */
+    /* Add the capabilities */
+    for( i = 0; i < count; i++ )
+    {
+        VLCTreeCategoryItem * categoryItem = nil;
+        VLCTreeSubCategoryItem * subCategoryItem = nil;
+        VLCTreePluginItem * pluginItem = nil;
+        module_config_t *p_configs = NULL;
+        int lastsubcat = 0;
+        unsigned int confsize;
 
-                unsigned int j;
+        module_t * p_module = modules[i];
 
-                int i_category = -1;
-                int i_subcategory = -1;
-                bool b_item = false;
+        /* Exclude empty plugins (submodules don't have config */
+        /* options, they are stored in the parent module) */
+        if( module_is_main( p_module) )
+        {
+            pluginItem = self;
+            _configItems = module_config_get( p_module, &confsize );
+            _configSize = confsize;
+        } else {
+            pluginItem = [VLCTreePluginItem pluginTreeItemWithPlugin: p_module];
+            confsize = [pluginItem configSize];
+        }
+        p_configs = [pluginItem configItems];
 
-                for( j = 0; j < confsize; j++ )
+        unsigned int j;
+        for( j = 0; j < confsize; j++ )
+        {
+            int configType = p_configs[j].i_type;
+            if( configType == CONFIG_CATEGORY )
+            {
+                categoryItem = [self itemRepresentingCategory:p_configs[j].value.i];
+                if(!categoryItem)
                 {
-                    if( p_items[j].i_type == CONFIG_CATEGORY )
-                        i_category = p_items[j].value.i;
-                    else if( p_items[j].i_type == CONFIG_SUBCATEGORY )
-                        i_subcategory = p_items[j].value.i;
-
-                    if( p_items[j].i_type & CONFIG_ITEM )
-                        b_item = true;
-            
-                    if( b_item && i_category >= 0 && i_subcategory >= 0 )
-                        break;
+                    categoryItem = [VLCTreeCategoryItem categoryTreeItemWithCategory:p_configs[j].value.i];
+                    if(categoryItem) [[self children] addObject:categoryItem];
                 }
-    
-                if( !b_item ) continue;
-
-                /* Find the right category item */
-
-                long cookie;
-                bool b_found = false;
-                unsigned int i;
-                VLCTreeItem* p_category_item, * p_subcategory_item;
-                for (i = 0 ; i < [o_children count] ; i++)
+            }
+            else if( configType == CONFIG_SUBCATEGORY )
+            {
+                lastsubcat = p_configs[j].value.i;
+                if( categoryItem && ![self isSubCategoryGeneral:lastsubcat] )
                 {
-                    p_category_item = [o_children objectAtIndex: i];
-                    if( p_category_item->i_object_id == i_category )
+                    subCategoryItem = [categoryItem itemRepresentingSubCategory:lastsubcat];
+                    if(!subCategoryItem)
                     {
-                        b_found = true;
-                        break;
+                        subCategoryItem = [VLCTreeSubCategoryItem subCategoryTreeItemWithSubCategory:lastsubcat];
+                        if(subCategoryItem) [[categoryItem children] addObject:subCategoryItem];
                     }
                 }
-                if( !b_found ) continue;
-
-                /* Find subcategory item */
-                b_found = false;
-                cookie = -1;
-                for (i = 0 ; i < [p_category_item->o_children count] ; i++)
+            }
+            
+            if( module_is_main( p_module) && (configType & CONFIG_ITEM) )
+            {
+                if( categoryItem && [self isSubCategoryGeneral:lastsubcat] )
                 {
-                    p_subcategory_item = [p_category_item->o_children
-                                            objectAtIndex: i];
-                    if( p_subcategory_item->i_object_id == i_subcategory )
-                    {
-                        b_found = true;
-                        break;
-                    }
+                    [[categoryItem options] addObject:[[VLCTreeLeafItem alloc] initWithConfigItem:&p_configs[j]]];
                 }
-                if( !b_found )
-                    p_subcategory_item = p_category_item;
-
-                [p_subcategory_item->o_children addObject:[[VLCTreeItem alloc]
-                    initWithName:[[VLCMain sharedInstance]
-                        localizedString: module_GetName( p_module, false ) ]
-                    withTitle:[[VLCMain sharedInstance]
-                        localizedString:  module_GetLongName( p_module ) ]
-                    withHelp: @""
-                    ID: ((vlc_object_t*)p_module)->i_object_id
-                    parent:p_subcategory_item
-                    children:IsALeafNode
-                    whithCategory: -1]];
+                else if( subCategoryItem )
+                {
+                    [[subCategoryItem options] addObject:[[VLCTreeLeafItem alloc] initWithConfigItem:&p_configs[j]]];
                 }
+            }
+            else if( !module_is_main( p_module) && (configType & CONFIG_ITEM))
+            {
+                if( ![[subCategoryItem children] containsObject: pluginItem] )
+                {
+                    [[subCategoryItem children] addObject:pluginItem];
+                }
+                if( pluginItem )
+                    [[pluginItem options] addObject:[[VLCTreeLeafItem alloc] initWithConfigItem:&p_configs[j]]];
+            }
         }
-        vlc_list_release( p_list );
     }
-    return o_children;
+    module_list_free( modules );
+    return _children;
+}
+@end
+
+#pragma mark -
+@implementation VLCTreeCategoryItem
++ (VLCTreeCategoryItem *)categoryTreeItemWithCategory:(int)category
+{
+    if(!config_CategoryNameGet( category )) return nil;
+    return [[[[self class] alloc] initWithCategory:category] autorelease];
+}
+- (id)initWithCategory:(int)category
+{
+    NSString * name = [[VLCMain sharedInstance] localizedString: config_CategoryNameGet( category )];
+    if(self = [super initWithName:name])
+    {
+        _category = category;
+        //_help = [[[VLCMain sharedInstance] localizedString: config_CategoryHelpGet( category )] retain];
+    }
+    return self;
+}
+
+- (VLCTreeSubCategoryItem *)itemRepresentingSubCategory:(int)subCategory
+{
+    assert( [self isKindOfClass:[VLCTreeCategoryItem class]] );
+    for( int i = 0; i < [[self children] count]; i++ )
+    {
+        VLCTreeSubCategoryItem * subCategoryItem = [[self children] objectAtIndex:i];
+        if( [subCategoryItem subCategory] == subCategory )
+            return subCategoryItem;
+    }
+    return nil;
 }
 
-- (int)getObjectID
+- (int)category
 {
-    return i_object_id;
+    return _category;
 }
+@end
 
-- (NSString *)getName
+#pragma mark -
+@implementation VLCTreeSubCategoryItem
+- (id)initWithSubCategory:(int)subCategory
 {
-    return o_name;
+    NSString * name = [[VLCMain sharedInstance] localizedString: config_CategoryNameGet( subCategory )];
+    if(self = [super initWithName:name])
+    {
+        _subCategory = subCategory;
+        //_help = [[[VLCMain sharedInstance] localizedString: config_CategoryHelpGet( subCategory )] retain];
+    }
+    return self;
 }
 
-- (NSString *)getTitle
++ (VLCTreeSubCategoryItem *)subCategoryTreeItemWithSubCategory:(int)subCategory
 {
-    return o_title;
+    if(!config_CategoryNameGet( subCategory )) return nil;
+    return [[[[self class] alloc] initWithSubCategory:subCategory] autorelease];
 }
 
-- (NSString *)getHelp
+- (int)subCategory
 {
-    return o_help;
+    return _subCategory;
 }
 
-- (VLCTreeItem *)childAtIndex:(int)i_index
+@end
+
+#pragma mark -
+@implementation VLCTreePluginItem
+- (id)initWithPlugin:(module_t *)plugin
 {
-    return [[self children] objectAtIndex:i_index];
+    NSString * name = [[VLCMain sharedInstance] localizedString: module_get_name( plugin, false )?:""];
+    if(self = [super initWithName:name])
+    {
+        _configItems = module_config_get( plugin, &_configSize );
+        //_plugin = plugin;
+        //_help = [[[VLCMain sharedInstance] localizedString: config_CategoryHelpGet( subCategory )] retain];
+    }
+    return self;
+}
+
++ (VLCTreePluginItem *)pluginTreeItemWithPlugin:(module_t *)plugin
+{
+    return [[[[self class] alloc] initWithPlugin:plugin] autorelease];
 }
 
-- (int)numberOfChildren {
-    id i_tmp = [self children];
-    return (i_tmp == IsALeafNode) ? (-1) : (int)[i_tmp count];
+- (void)dealloc
+{
+    module_config_free( _configItems );
+    [super dealloc];
 }
 
-- (BOOL)hasPrefs:(NSString *)o_module_name
+- (module_config_t *)configItems
 {
-    intf_thread_t *p_intf = VLCIntf;
-    module_t *p_parser;
-    vlc_list_t *p_list;
-    char *psz_module_name;
-    int i_index;
+    return _configItems;
+}
 
-    psz_module_name = (char *)[o_module_name UTF8String];
+- (unsigned int)configSize
+{
+    return _configSize;
+}
 
-    /* look for module */
-    p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
+@end
 
-    for( i_index = 0; i_index < p_list->i_count; i_index++ )
+#pragma mark -
+@implementation VLCTreeLeafItem
+
+- (id)initWithConfigItem: (module_config_t *) configItem
+{
+    NSString * name = [[[VLCMain sharedInstance] localizedString:configItem->psz_name] autorelease];
+    self = [super initWithName:name];
+    if( self != nil )
     {
-        p_parser = (module_t *)p_list->p_values[i_index].p_object ;
+        _configItem = configItem;
+    }
+    return self;
+}
 
-        if( !strcmp( module_GetObjName( p_parser ), psz_module_name ) )
-        {
-            unsigned int confsize;
-            module_GetConfig( p_parser, &confsize );
-            BOOL b_has_prefs = confsize != 0;
-            vlc_list_release( p_list );
-            return( b_has_prefs );
-        }
+- (module_config_t *)configItem
+{
+    return _configItem;
+}
+@end
+
+#pragma mark -
+#pragma mark (Root class for all TreeItems)
+@implementation VLCTreeItem
+
+- (id)initWithName:(NSString*)name
+{
+    self = [super init];
+    if( self != nil )
+    {
+        _name = [name retain];
     }
+    return self;
+}
 
-    vlc_list_release( p_list );
+- (void)dealloc
+{
+    [_children release];
+    [_options release];
+    [_name release];
+    [_subviews release];
+    [super dealloc];
+}
 
-    return( NO );
+- (VLCTreeItem *)childAtIndex:(NSInteger)i_index
+{
+    return [[self children] objectAtIndex:i_index];
+}
+
+- (int)numberOfChildren
+{
+    return [[self children] count];
+}
+
+- (NSString *)name
+{
+    return [[_name retain] autorelease];
 }
 
-- (NSView *)showView:(NSScrollView *)o_prefs_view
-    advancedView:(bool) b_advanced
+- (void)showView:(NSScrollView *)prefsView
 {
     NSRect          s_vrc;
-    NSView          *o_view;
-
-    [[VLCPrefs sharedInstance] setTitle: [self getTitle]];
-    /* NSLog( [self getHelp] ); */
-    s_vrc = [[o_prefs_view contentView] bounds]; s_vrc.size.height -= 4;
-    o_view = [[VLCFlippedView alloc] initWithFrame: s_vrc];
-    [o_view setAutoresizingMask: NSViewWidthSizable | NSViewMinYMargin |
-                                    NSViewMaxYMargin];
-
-/* Create all subviews if it isn't already done because we cannot use */
-/* setHiden for MacOS < 10.3*/
-    if( o_subviews == nil )
-    {
-        intf_thread_t   *p_intf = VLCIntf;
-        vlc_list_t      *p_list;
-        module_t        *p_module = NULL;
-        module_t        *p_main_module;
-        module_config_t *p_items;
-        unsigned int confsize;
+    NSView          *view;
 
-        o_subviews = [[NSMutableArray alloc] initWithCapacity:10];
-        /* Get a pointer to the module */
-        if( i_object_category == -1 )
-        {
-            p_module = (module_t *) vlc_object_get( i_object_id );
-            assert( p_module );
+    [[VLCPrefs sharedInstance] setTitle: [self name]];
+    s_vrc = [[prefsView contentView] bounds]; s_vrc.size.height -= 4;
+    view = [[VLCFlippedView alloc] initWithFrame: s_vrc];
+    [view setAutoresizingMask: NSViewWidthSizable | NSViewMinYMargin | NSViewMaxYMargin];
 
-            p_items = module_GetConfig( p_module, &confsize );
+    if(!_subviews)
+    {
+        _subviews = [[NSMutableArray alloc] initWithCapacity:10];
 
-            for( unsigned int i = 0; i < confsize; i++ )
-            {
-                switch( p_items[i].i_type )
-                {
-                    case CONFIG_SUBCATEGORY:
-                    case CONFIG_CATEGORY:
-                    case CONFIG_SECTION:
-                    case CONFIG_HINT_USAGE:
-                        break;
-                    default:
-                    {
-                        VLCConfigControl *o_control = nil;
-                        o_control = [VLCConfigControl newControl:&p_items[i]
-                                                      withView:o_view];
-                        if( o_control )
-                        {
-                            [o_control setAutoresizingMask: NSViewMaxYMargin |
-                                NSViewWidthSizable];
-                            [o_subviews addObject: o_control];
-                        }
-                    }
-                    break;
-                }
-            }
-            vlc_object_release( (vlc_object_t*)p_module );
-        }
-        else
+        long i;
+        for( i = 0; i < [[self options] count]; i++)
         {
-            p_main_module = module_GetMainModule( p_intf );
-            assert( !p_main_module );
-            module_config_t *p_items;
+            VLCTreeLeafItem * item = [[self options] objectAtIndex:i];
 
-            unsigned int i, confsize;
-            p_items = module_GetConfig( p_main_module, &confsize );
-
-            for( i = 0; i < confsize; i++ )
+            VLCConfigControl *control;
+            control = [VLCConfigControl newControl:[item configItem] withView:view];
+            if( control )
             {
-                if( !p_items[i].i_type )
-                {
-                    msg_Err( p_intf, "invalid preference item found" );
-                    break;
-                }
-
-                switch( p_items[i].i_type )
-                {
-                    case CONFIG_SUBCATEGORY:
-                    case CONFIG_CATEGORY:
-                    case CONFIG_SECTION:
-                    case CONFIG_HINT_USAGE:
-                        break;
-                    default:
-                    {
-                        VLCConfigControl *o_control = nil;
-                        o_control = [VLCConfigControl newControl:&p_items[i]
-                                                      withView:o_view];
-                        if( o_control != nil )
-                        {
-                            [o_control setAutoresizingMask: NSViewMaxYMargin |
-                                                            NSViewWidthSizable];
-                            [o_subviews addObject: o_control];
-                        }
-                        break;
-                    }
-                }
+                [control setAutoresizingMask: NSViewMaxYMargin | NSViewWidthSizable];
+                [_subviews addObject: control];
             }
-            vlc_object_release( (vlc_object_t*)p_main_module );
         }
     }
 
-    if( o_view != nil )
-    {
-        int i_lastItem = 0;
-        int i_yPos = -2;
-        int i_max_label = 0;
-        int i_show_advanced = 0;
-
-        NSEnumerator *enumerator = [o_subviews objectEnumerator];
-        VLCConfigControl *o_widget;
-        NSRect o_frame;
-        while( ( o_widget = [enumerator nextObject] ) )
-            if( ( [o_widget isAdvanced] ) && (! b_advanced) )
-                continue;
-            else if( i_max_label < [o_widget getLabelSize] )
-                i_max_label = [o_widget getLabelSize];
-
-        enumerator = [o_subviews objectEnumerator];
-        while( ( o_widget = [enumerator nextObject] ) )
-        {
-            int i_widget;
-            if( ( [o_widget isAdvanced] ) && (! b_advanced) )
-            {
-                i_show_advanced++;
-                continue;
-            }
+    assert(view);
+    
+    int i_lastItem = 0;
+    int i_yPos = -2;
+    int i_max_label = 0;
 
-            i_widget = [o_widget getViewType];
-            i_yPos += [VLCConfigControl calcVerticalMargin:i_widget
-                lastItem:i_lastItem];
-            [o_widget setYPos:i_yPos];
-            o_frame = [o_widget frame];
-            o_frame.size.width = [o_view frame].size.width -
-                                    LEFTMARGIN - RIGHTMARGIN;
-            [o_widget setFrame:o_frame];
-            [o_widget alignWithXPosition: i_max_label];
-            i_yPos += [o_widget frame].size.height;
-            i_lastItem = i_widget;
-            [o_view addSubview:o_widget];
-         }
-        if( i_show_advanced != 0 )
-        {
-            /* We add the advanced notice... */
-            NSRect s_rc = [o_view frame];
-            NSTextField *o_label;
-            s_rc.size.height = 17;
-            s_rc.origin.x = LEFTMARGIN;
-            s_rc.origin.y = i_yPos += [VLCConfigControl
-                                        calcVerticalMargin:CONFIG_ITEM_STRING
-                                        lastItem:i_lastItem];
-            o_label = [[[NSTextField alloc] initWithFrame: s_rc] retain];
-            [o_label setDrawsBackground: NO];
-            [o_label setBordered: NO];
-            [o_label setEditable: NO];
-            [o_label setSelectable: NO];
-            [o_label setStringValue: _NS("Some options are hidden. " \
-                                "Check \"Advanced\" to display them.")];
-            [o_label setFont:[NSFont systemFontOfSize:10]];
-            [o_label sizeToFit];
-            [o_view addSubview:o_label];
-            i_yPos += [o_label frame].size.height;
-        }
-        o_frame = [o_view frame];
-        o_frame.size.height = i_yPos;
-        [o_view setFrame:o_frame];
-        [o_prefs_view setDocumentView:o_view];
+    NSEnumerator *enumerator = [_subviews objectEnumerator];
+    VLCConfigControl *widget;
+    NSRect frame;
+
+    while( ( widget = [enumerator nextObject] ) )
+        if( i_max_label < [widget labelSize] )
+            i_max_label = [widget labelSize];
 
+    enumerator = [_subviews objectEnumerator];
+    while( ( widget = [enumerator nextObject] ) )
+    {
+        int i_widget;
+
+        i_widget = [widget viewType];
+        i_yPos += [VLCConfigControl calcVerticalMargin:i_widget lastItem:i_lastItem];
+        [widget setYPos:i_yPos];
+        frame = [widget frame];
+        frame.size.width = [view frame].size.width - LEFTMARGIN - RIGHTMARGIN;
+        [widget setFrame:frame];
+        [widget alignWithXPosition: i_max_label];
+        i_yPos += [widget frame].size.height;
+        i_lastItem = i_widget;
+        [view addSubview:widget];
     }
-    return o_view;
+
+    frame = [view frame];
+    frame.size.height = i_yPos;
+    [view setFrame:frame];
+    [prefsView setDocumentView:view];
 }
 
 - (void)applyChanges
 {
     unsigned int i;
-    if( o_subviews != nil )
-        //Item has been shown
-        for( i = 0 ; i < [o_subviews count] ; i++ )
-            [[o_subviews objectAtIndex:i] applyChanges];
+    for( i = 0 ; i < [_subviews count] ; i++ )
+        [[_subviews objectAtIndex:i] applyChanges];
 
-    if( o_children != IsALeafNode )
-        for( i = 0 ; i < [o_children count] ; i++ )
-            [[o_children objectAtIndex:i] applyChanges];
+    for( i = 0 ; i < [_children count] ; i++ )
+        [[_children objectAtIndex:i] applyChanges];
 }
 
 - (void)resetView
 {
     unsigned int i;
-    if( o_subviews != nil )
-    {
-        //Item has been shown
-        [o_subviews release];
-        o_subviews = nil;
-    }
+    for( i = 0 ; i < [_subviews count] ; i++ )
+        [[_subviews objectAtIndex:i] resetValues];
+
+    for( i = 0 ; i < [_options count] ; i++ )
+        [[_options objectAtIndex:i] resetView];
+
+    for( i = 0 ; i < [_children count] ; i++ )
+        [[_children objectAtIndex:i] resetView];
 
-    if( o_children != IsALeafNode )
-        for( i = 0 ; i < [o_children count] ; i++ )
-            [[o_children objectAtIndex:i] resetView];
 }
 
-@end
+- (NSMutableArray *)children
+{
+    if(!_children) _children = [[NSMutableArray alloc] init];
+    return _children;
+}
 
+- (NSMutableArray *)options
+{
+    if(!_options) _options = [[NSMutableArray alloc] init];
+    return _options;
+}
+@end
 
+#pragma mark -
 @implementation VLCFlippedView
 
 - (BOOL)isFlipped