module helloworld;

import dwt.SWT;
import dwt.widgets.Display;
import dwt.widgets.Shell;
import dwt.widgets.Composite;
import dwt.widgets.Button;
import dwt.widgets.Text;

import tango.io.Stdout;
import tango.math.Math;
import tango.text.convert.Format;
import tango.util.Convert;
import tango.util.PathUtil;
import dwt.graphics.Device;
import dwt.graphics.ImageData;
import dwt.events.SelectionListener;
import dwt.events.SelectionEvent;


import dwt.accessibility.AccessibleObject;
import dwt.accessibility.AccessibleFactory;
import dwt.SWT;
import dwt.dwthelper.File;
import dwt.widgets.Display;
import dwt.internal.Library;
import dwt.internal.Platform;
import dwt.internal.image.PngChunk;
import dwt.internal.image.JPEGFileFormat;
import dwt.internal.gtk.OS;

import jive.stacktrace;

void main(){

    TraceConfig.throwOnAll = true;
    try{

        File.static_this();
        Library.static_this();
        Platform.static_this();
        OS.static_this();
        SWT.static_this();
        AccessibleObject.static_this();
        AccessibleFactory.static_this();
        ImageData.static_this();
        Device.static_this();
        Display.static_this();
        PngChunk.static_this();
        JPEGFileFormat.static_this();

        Display display = new Display();
        Shell shell = new Shell(display);
        shell.setSize(300, 200);
        shell.setText("Simple SWT Sample");
        auto btn = new Button( shell, SWT.PUSH );
        btn.setBounds(40, 50, 100, 50);
        btn.setText( "hey" );

        auto txt = new Text(shell, SWT.BORDER);
        txt.setBounds(170, 50, 100, 40);

        btn.addSelectionListener(new class () SelectionListener {
            public void widgetSelected(SelectionEvent event) {
                txt.setText("No problem");
            }
            public void widgetDefaultSelected(SelectionEvent event) {
                txt.setText("No worries!");
            }
        });

        shell.open();
        Stdout.formatln( "loop entered" );
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                display.sleep();
            }
        }
    }
    catch (Exception e)
    {
        Stdout.formatln (e.toString);
    }
}