Catalyst - NSToolbar Search

delegate.m

static NSString * toolbarIdentifierSearch = @"Search";

@interface IPDFToolbarItem : NSToolbarItem

@property (atomic,readwrite) id view;

@property CGSize minSize;
@property CGSize maxSize;

@end

@implementation IPDFToolbarItem

@dynamic view;
@dynamic minSize;
@dynamic maxSize;

@end

- (NSToolbarItem *)toolbar:(NSToolbar *)toolbar itemForItemIdentifier:(NSToolbarItemIdentifier)itemIdentifier willBeInsertedIntoToolbar:(BOOL)flag
{
    if (itemIdentifier == toolbarIdentifierSearch)
    {
        id searchField = [NSClassFromString(@"NSSearchField") new];
        
        // fail here if something doesn't work out or customise further
        
        IPDFToolbarItem *searchItem = [IPDFToolbarItem itemWithItemIdentifier:toolbarIdentifierSearch barButtonItem:nil];
        searchItem.view = searchField;
        
        searchItem.maxSize = CGSizeMake(240, 44);
        
        return searchItem;
    }
    
    return nil;
}