prefs.m

video linux conference

                    if( p_item->i_type & CONFIG_ITEM )
                        i_options ++;
                    if( i_options > 0 && i_category >= 0 && i_subcategory >= 0 )
                        break;
                } while( p_item->i_type != CONFIG_HINT_END && p_item++ );
                if( !i_options ) continue;

                /* Find the right category item */

                long cookie;
                vlc_bool_t b_found = VLC_FALSE;
                unsigned int i;
                VLCTreeItem* p_category_item, * p_subcategory_item;
                for (i = 0 ; i < [o_children count] ; i++)
                {
                    p_category_item = [o_children objectAtIndex: i];
                    if( p_category_item->i_object_id == i_category )
                    {
                        b_found = VLC_TRUE;
                        break;
                    }
                }
                if( !b_found ) continue;

                /* Find subcategory item */
                b_found = VLC_FALSE;
                cookie = -1;
                for (i = 0 ; i < [p_category_item->o_children count] ; i++)
                {
                    p_subcategory_item = [p_category_item->o_children
                                            objectAtIndex: i];
                    if( p_subcategory_item->i_object_id == i_subcategory )
                    {
                        b_found = VLC_TRUE;
                        break;
                    }
                }
                if( !b_found )
                    p_subcategory_item = p_category_item;

                [p_subcategory_item->o_children addObject:[[VLCTreeItem alloc]
                    initWithName:[[VLCMain sharedInstance]
                        localizedString: p_module->psz_object_name ]
                    ID: p_module->i_object_id
                    parent:p_subcategory_item
                    children:IsALeafNode
                    whithCategory: -1]];
            }
        }
        vlc_list_release( p_list );
    }
    return o_children;
}

- (int)getObjectID
{
    return i_object_id;
}

- (NSString *)getName
{
    return o_name;
}

- (VLCTreeItem *)childAtIndex:(int)i_index
{
    return [[self children] objectAtIndex:i_index];
}

- (int)numberOfChildren {
    id i_tmp = [self children];
    return (i_tmp == IsALeafNode) ? (-1) : (int)[i_tmp count];
}

- (BOOL)hasPrefs:(NSString *)o_module_name
{
    intf_thread_t *p_intf = VLCIntf;
    module_t *p_parser;
    vlc_list_t *p_list;
    char *psz_module_name;
    int i_index;

    psz_module_name = (char *)[o_module_name UTF8String];

    /* look for module */
    p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );

    for( i_index = 0; i_index < p_list->i_count; i_index++ )
    {
        p_parser = (module_t *)p_list->p_values[i_index].p_object ;

        if( !strcmp( p_parser->psz_object_name, psz_module_name ) )
        {
            BOOL b_has_prefs = p_parser->i_config_items != 0;
            vlc_list_release( p_list );
            return( b_has_prefs );
        }
    }

    vlc_list_release( p_list );

    return( NO );
}

- (NSView *)showView:(NSScrollView *)o_prefs_view
    advancedView:(vlc_bool_t) b_advanced
{
    NSRect          s_vrc;
    NSView          *o_view;

    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_parser = NULL;
        module_config_t *p_item;

        o_subviews = [[NSMutableArray alloc] initWithCapacity:10];
        /* Get a pointer to the module */
        if( i_object_category == -1 )
        {
            p_parser = (module_t *) vlc_object_get( p_intf, i_object_id );
            if( !p_parser || p_parser->i_object_type != VLC_OBJECT_MODULE )
            {
                /* 0OOoo something went really bad */
                return nil;
            }
            p_item = p_parser->p_config;
            int i = 0;

            p_item = p_parser->p_config + 1;

            do
            {
                if( !p_item )
                {
                    msg_Err( p_intf, "null item found" );
                    break;
                }
                switch(p_item->i_type)
                {
                case CONFIG_SUBCATEGORY:
                    break;
                case CONFIG_SECTION:
                    break;
                case CONFIG_CATEGORY:
                    break;
                case CONFIG_HINT_END:
                    break;
                case CONFIG_HINT_USAGE:
                    break;
                default:
                {
                    VLCConfigControl *o_control = nil;
                    o_control = [VLCConfigControl newControl:p_item
                                                  withView:o_view];
                    if( o_control != nil )
                    {
                        [o_control setAutoresizingMask: NSViewMaxYMargin |
                            NSViewWidthSizable];
                        [o_subviews addObject: o_control];
                    }
                }
                    break;
                }
            } while( p_item++->i_type != CONFIG_HINT_END );

            vlc_object_release( p_parser );
        }
        else
        {
            int i = 0;
            int i_index;
            p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
            if( !p_list ) return o_view;

            /*
            * Find the main module
            */
            for( i_index = 0; i_index < p_list->i_count; i_index++ )
            {
                p_parser = (module_t *)p_list->p_values[i_index].p_object;
                if( !strcmp( p_parser->psz_object_name, "main" ) )
                    break;
            }
            if( p_parser == NULL )
            {
                msg_Err( p_intf, "could not find the main module in our "
                                    "preferences" );
                return o_view;
            }
            p_item = (p_parser->p_config + i_object_category);
            if( ( p_item->i_type == CONFIG_CATEGORY ) &&
              ( ( p_item->i_value == CAT_PLAYLIST )  ||
                ( p_item->i_value == CAT_AUDIO )  ||
                ( p_item->i_value == CAT_VIDEO ) ) )
                p_item++;

            do
            {
                p_item++;
                if( !p_item )
                {
                    msg_Err( p_intf, "null item found" );
                    break;
                }
                switch(p_item->i_type)
                {
                case CONFIG_SUBCATEGORY:
                    break;
                case CONFIG_SECTION:
                    break;
                case CONFIG_CATEGORY:
                    break;
                case CONFIG_HINT_END:
                    break;
                case CONFIG_HINT_USAGE:
                    break;
                default:
                {
                    VLCConfigControl *o_control = nil;
                    o_control = [VLCConfigControl newControl:p_item
                                                  withView:o_view];
                    if( o_control != nil )
                    {
                        [o_control setAutoresizingMask: NSViewMaxYMargin |
                                                        NSViewWidthSizable];
                        [o_subviews addObject: o_control];
                    }
                    break;
                }
                }
            } while ( ( p_item->i_type != CONFIG_HINT_END ) &&
                      ( p_item->i_type != CONFIG_SUBCATEGORY ) );

            vlc_list_release( p_list );
        }
    }

    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;
            }

            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 available but " \
                                "hidden. Check \"Advanced\" to see 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];

    }
    return o_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];

    if( o_children != IsALeafNode )
        for( i = 0 ; i < [o_children count] ; i++ )
            [[o_children objectAtIndex:i] applyChanges];
}

- (void)resetView
{
    unsigned int i;
    if( o_subviews != nil )
    {
        //Item has been shown
        [o_subviews release];
        o_subviews = nil;
    }

    if( o_children != IsALeafNode )
        for( i = 0 ; i < [o_children count] ; i++ )
            [[o_children objectAtIndex:i] resetView];
}

@end


@implementation VLCFlippedView

- (BOOL)isFlipped
{
    return( YES );
}

@end