Stock images as buttons example of DUI code

/*
 * This file is part of dui.
 * 
 * dui is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 * 
 * dui is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with dui; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

module test.TestStock;

private import dui.ScrolledWindow;

/**
 * This tests the DUI the Stock images in button
 */
class TestStock : ScrolledWindow
{
    
    private import dui.Widget;
    private import dui.Table;
    private import dui.DUIObject;
    private import dui.Button;
    private import def.Constants;
    
    this()
    {
        debug(1)
        {
            printf("instantiating TestStock\n");
        }

        Table table = new Table(2,2,false);
        int col = 0;
        int row = 0;
        
        Color color = new Color(cast(ubyte)0,cast(ubyte)255,cast(ubyte)255);
        
        for(Stock stockID=Stock.min ; stockID<=Stock.max ; stockID++)
        {
            Button button = new Button(stockID);
            //button.setCursor(CursorType.BASED_ARROW_DOWN);
            //button.setBackground(color);
            //Cursor cursor = new Cursor(CursorType.CLOCK);
            //button.setCursor(cursor);
            button.addOnEnterNotify(&enterNotify);
            button.addOnLeaveNotify(&leaveNotify);
            table.attach(button,col,col+1,row,row+1,AttachOptions.SHRINK,AttachOptions.SHRINK,2,2);
            ++row;
            if ( row == 16 )
            {
                row = 0;
                ++col;
            }
        }
        
        addWithViewport(table);

    }

    bit enterNotify(Widget widget, EventCrossing event)
    {
        printf("TestStock.mouseEnterNotify %X\n",widget);
        Cursor cursor = new Cursor(CursorType.MAN);
        widget.setCursor(cursor);
        return true;
    }
    bit leaveNotify(Widget widget, EventCrossing event)
    {
        printf("TestStock.mouseLeaveNotify\n");
        widget.resetCursor();
        return true;
    }


}