prefs_widgets.m

uclinux 下的vlc播放器源代码

        /* add the label */
        if( p_item->psz_text )
            o_labelString = [[VLCMain sharedInstance]
                                localizedString: p_item->psz_text];
        else
            o_labelString = [NSString stringWithString:@""];
        ADD_LABEL( o_label, mainFrame, 0, -3, o_labelString )
        [o_label setAutoresizingMask:NSViewNotSizable ];
        [self addSubview: o_label];

        /* build the textfield */
        o_textfieldTooltip = [[VLCMain sharedInstance] wrapString:
            [[VLCMain sharedInstance] localizedString: p_item->psz_longtext]
                                         toWidth: PREFS_WRAP];
        if( p_item->psz_value )
            o_textfieldString = [[VLCMain sharedInstance]
                                    localizedString: p_item->psz_value];
        else
            o_textfieldString = [NSString stringWithString: @""];
        ADD_TEXTFIELD( o_textfield, mainFrame, [o_label frame].size.width + 2,
                        0, mainFrame.size.width - [o_label frame].size.width -
                        2, o_textfieldTooltip, o_textfieldString )
        [o_textfield setAutoresizingMask:NSViewWidthSizable ];
        [self addSubview: o_textfield];
    }
    return self;
}

- (void) alignWithXPosition:(int)i_xPos
{
    NSRect frame;
    NSRect superFrame = [self frame];
    frame = [o_label frame];
    frame.origin.x = i_xPos - frame.size.width - 3;
    [o_label setFrame:frame];

    frame = [o_textfield frame];
    frame.origin.x = i_xPos + 2;
    frame.size.width = superFrame.size.width - frame.origin.x - 1;
    [o_textfield setFrame:frame];
}

- (void)dealloc
{
    [o_textfield release];
    [super dealloc];
}

- (char *)stringValue
{
    return strdup( [[VLCMain sharedInstance] delocalizeString:
                        [o_textfield stringValue]] );
}
@end

@implementation StringListConfigControl
- (id) initWithItem: (module_config_t *)_p_item
           withView: (NSView *)o_parent_view
{
    NSRect mainFrame = [o_parent_view frame];
    NSString *o_labelString, *o_textfieldTooltip;
    mainFrame.size.height = 22;
    mainFrame.size.width = mainFrame.size.width - LEFTMARGIN - RIGHTMARGIN + 1;
    mainFrame.origin.x = LEFTMARGIN;
    mainFrame.origin.y = 0;

    if( [super initWithFrame: mainFrame item: _p_item] != nil )
    {
        int i_index;
        i_view_type = CONFIG_ITEM_STRING_LIST;
        /* add the label */
        if( p_item->psz_text )
            o_labelString = [[VLCMain sharedInstance]
                                localizedString: p_item->psz_text];
        else
            o_labelString = [NSString stringWithString:@""];
        ADD_LABEL( o_label, mainFrame, 0, -3, o_labelString )
        [o_label setAutoresizingMask:NSViewNotSizable ];
        [self addSubview: o_label];

        /* build the textfield */
        o_textfieldTooltip = [[VLCMain sharedInstance] wrapString:
            [[VLCMain sharedInstance]
                localizedString: p_item->psz_longtext ] toWidth: PREFS_WRAP];
        ADD_COMBO( o_combo, mainFrame, [o_label frame].size.width,
            -2, 0, o_textfieldTooltip )
        [o_combo setAutoresizingMask:NSViewWidthSizable ];
        for( i_index = 0; i_index < p_item->i_list; i_index++ )
            if( p_item->psz_value &&
                !strcmp( p_item->psz_value, p_item->ppsz_list[i_index] ) )
                [o_combo selectItemAtIndex: i_index];
        [self addSubview: o_combo];
    }
    return self;
}

- (void) alignWithXPosition:(int)i_xPos
{
    NSRect frame;
    NSRect superFrame = [self frame];
    frame = [o_label frame];
    frame.origin.x = i_xPos - frame.size.width - 3;
    [o_label setFrame:frame];

    frame = [o_combo frame];
    frame.origin.x = i_xPos + 2;
    frame.size.width = superFrame.size.width - frame.origin.x + 2;
    [o_combo setFrame:frame];
}

- (void)dealloc
{
    [o_combo release];
    [super dealloc];
}

- (char *)stringValue
{
    if( [o_combo indexOfSelectedItem] >= 0 )
        return strdup( p_item->ppsz_list[[o_combo indexOfSelectedItem]] );
    else
        return strdup( [[VLCMain sharedInstance]
                            delocalizeString: [o_combo stringValue]] );
}
@end

@implementation StringListConfigControl (NSComboBoxDataSource)
- (int)numberOfItemsInComboBox:(NSComboBox *)aComboBox
{
        return p_item->i_list;
}

- (id)comboBox:(NSComboBox *)aComboBox objectValueForItemAtIndex:(int)i_index
{
    if( p_item->ppsz_list_text && p_item->ppsz_list_text[i_index] )
    {
        return [[VLCMain sharedInstance]
                    localizedString: p_item->ppsz_list_text[i_index]];
    } else return [[VLCMain sharedInstance]
                    localizedString: p_item->ppsz_list[i_index]];
}
@end

@implementation FileConfigControl
- (id) initWithItem: (module_config_t *)_p_item
           withView: (NSView *)o_parent_view
{
    NSRect mainFrame = [o_parent_view frame];
    NSString *o_labelString, *o_buttonTooltip, *o_textfieldString;
    NSString *o_textfieldTooltip;
    mainFrame.size.height = 46;
    mainFrame.size.width = mainFrame.size.width - LEFTMARGIN - RIGHTMARGIN;
    mainFrame.origin.x = LEFTMARGIN;
    mainFrame.origin.y = 0;

    if( [super initWithFrame: mainFrame item: _p_item] != nil )
    {
        i_view_type = CONFIG_ITEM_FILE;

        /* is it a directory */
        b_directory = ( [self getType] == CONFIG_ITEM_DIRECTORY ) ? YES : NO;

        /* add the label */
        if( p_item->psz_text )
            o_labelString = [[VLCMain sharedInstance]
                                localizedString: p_item->psz_text];
        else
            o_labelString = [NSString stringWithString:@""];
        ADD_LABEL( o_label, mainFrame, 0, 3, o_labelString )
        [o_label setAutoresizingMask:NSViewNotSizable ];
        [self addSubview: o_label];

        /* build the button */
        o_buttonTooltip = [[VLCMain sharedInstance]
                wrapString: [[VLCMain sharedInstance]
                localizedString: p_item->psz_longtext ] toWidth: PREFS_WRAP];
        ADD_RIGHT_BUTTON( o_button, mainFrame, 0, 0, o_buttonTooltip,
                            _NS("Browse...") )
        [o_button setAutoresizingMask:NSViewMinXMargin ];
        [self addSubview: o_button];

        /* build the textfield */
        o_textfieldTooltip = [[VLCMain sharedInstance] wrapString:
            [[VLCMain sharedInstance]
                localizedString: p_item->psz_longtext ] toWidth: PREFS_WRAP];
        if( p_item->psz_value )
            o_textfieldString = [[VLCMain sharedInstance]
                                    localizedString: p_item->psz_value];
        else
            o_textfieldString = [NSString stringWithString: @""];
        ADD_TEXTFIELD( o_textfield, mainFrame, 12, 2, mainFrame.size.width -
                        8 - [o_button frame].size.width,
                        o_textfieldTooltip, o_textfieldString )
        [o_textfield setAutoresizingMask:NSViewWidthSizable ];
        [self addSubview: o_textfield];
    }
    return self;
}

- (void) alignWithXPosition:(int)i_xPos
{
    ;
}

- (void)dealloc
{
    [o_textfield release];
    [o_button release];
    [super dealloc];
}

- (IBAction)openFileDialog: (id)sender
{
    NSOpenPanel *o_open_panel = [NSOpenPanel openPanel];

    [o_open_panel setTitle: (b_directory)?
        _NS("Select a directory"):_NS("Select a file")];
    [o_open_panel setPrompt: _NS("Select")];
    [o_open_panel setAllowsMultipleSelection: NO];
    [o_open_panel setCanChooseFiles: !b_directory];
    [o_open_panel setCanChooseDirectories: b_directory];
    [o_open_panel beginSheetForDirectory:nil
        file:nil
        types:nil
        modalForWindow:[sender window]
        modalDelegate: self
        didEndSelector: @selector(pathChosenInPanel: 
                        withReturn:
                        contextInfo:)
        contextInfo: nil];
}

- (void)pathChosenInPanel:(NSOpenPanel *)o_sheet
    withReturn:(int)i_return_code contextInfo:(void  *)o_context_info
{
    if( i_return_code == NSOKButton )
    {
        NSString *o_path = [[o_sheet filenames] objectAtIndex: 0];
        [o_textfield setStringValue: o_path];
    }
}

- (char *)stringValue
{
    if( [[o_textfield stringValue] length] != 0)
        return strdup( [[o_textfield stringValue] fileSystemRepresentation] );
    else
        return NULL;
}
@end

@implementation ModuleConfigControl
- (id) initWithItem: (module_config_t *)_p_item
           withView: (NSView *)o_parent_view
{
    NSRect mainFrame = [o_parent_view frame];
    NSString *o_labelString, *o_popupTooltip;
    mainFrame.size.height = 22;
    mainFrame.size.width = mainFrame.size.width - LEFTMARGIN - RIGHTMARGIN + 1;
    mainFrame.origin.x = LEFTMARGIN;
    mainFrame.origin.y = 0;

    if( [super initWithFrame: mainFrame item: _p_item] != nil )
    {
        int i_index;
        vlc_list_t *p_list;
        module_t *p_parser;
        i_view_type = CONFIG_ITEM_MODULE;

        /* add the label */
        if( p_item->psz_text )
            o_labelString = [[VLCMain sharedInstance]
                                localizedString: p_item->psz_text];
        else
            o_labelString = [NSString stringWithString:@""];
        ADD_LABEL( o_label, mainFrame, 0, -1, o_labelString )
        [o_label setAutoresizingMask:NSViewNotSizable ];
        [self addSubview: o_label];

        /* build the popup */
        o_popupTooltip = [[VLCMain sharedInstance] wrapString:
            [[VLCMain sharedInstance]
                localizedString: p_item->psz_longtext ] toWidth: PREFS_WRAP];
        ADD_POPUP( o_popup, mainFrame, [o_label frame].size.width,
            -2, 0, o_popupTooltip )
        [o_popup setAutoresizingMask:NSViewWidthSizable ];
        [o_popup addItemWithTitle: _NS("Default")];
        [[o_popup lastItem] setTag: -1];
        [o_popup selectItem: [o_popup lastItem]];

        /* build a list of available modules */
        p_list = vlc_list_find( VLCIntf, 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( p_item->i_type == CONFIG_ITEM_MODULE )
            {
                if( !strcmp( p_parser->psz_capability,
                            p_item->psz_type ) )
                {
                    NSString *o_description = [[VLCMain sharedInstance]
                        localizedString: p_parser->psz_longname];
                    [o_popup addItemWithTitle: o_description];

                    if( p_item->psz_value &&
                !strcmp( p_item->psz_value, p_parser->psz_object_name ) )
                        [o_popup selectItem:[o_popup lastItem]];
                }
            }
            else
            {
                module_config_t *p_config;
                if( !strcmp( p_parser->psz_object_name, "main" ) )
                      continue;

                p_config = p_parser->p_config;
                if( p_config ) do
                {
                    /* Hack: required subcategory is stored in i_min */
                    if( p_config->i_type == CONFIG_SUBCATEGORY &&
                        p_config->i_value == p_item->i_min )
                    {
                        NSString *o_description = [[VLCMain sharedInstance]
                            localizedString: p_parser->psz_longname];
                        [o_popup addItemWithTitle: o_description];

                        if( p_item->psz_value && !strcmp(p_item->psz_value,
                                                p_parser->psz_object_name) )
                            [o_popup selectItem:[o_popup lastItem]];
                    }
                } while( p_config->i_type != CONFIG_HINT_END && p_config++ );
            }
        }
        vlc_list_release( p_list );
        [self addSubview: o_popup];