Mercurial > projects > dwt-samples
view snippets/control/Snippet214.d @ 119:9a1be6ff19a2
More snippets, thanks to Tom D.
author | Frank Benoit <benoit@tionex.de> |
---|---|
date | Sun, 20 Jul 2008 15:26:06 +0200 |
parents | |
children |
line wrap: on
line source
/******************************************************************************* * Copyright (c) 2000, 2005 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * D Port: * Thomas Demmer <t_demmer AT web DOT de> *******************************************************************************/ module control.Snippet214; /* * Control example snippet: set a background image (a dynamic gradient) * * For a list of all SWT example snippets see * http://www.eclipse.org/swt/snippets/ * * @since 3.2 */ import dwt.DWT; import dwt.graphics.GC; import dwt.graphics.Image; import dwt.graphics.Rectangle; import dwt.layout.FillLayout; import dwt.layout.RowLayout; import dwt.widgets.Button; import dwt.widgets.Display; import dwt.widgets.Event; import dwt.widgets.Group; import dwt.widgets.Listener; import dwt.widgets.Shell; import dwt.layout.RowLayout; import dwt.dwthelper.utils; import tango.util.Convert; static Image oldImage; void main(String [] args) { Display display = new Display (); Shell shell = new Shell (display); shell.setBackgroundMode (DWT.INHERIT_DEFAULT); FillLayout layout1 = new FillLayout (DWT.VERTICAL); layout1.marginWidth = layout1.marginHeight = 10; shell.setLayout (layout1); Group group = new Group (shell, DWT.NONE); group.setText ("Group "); RowLayout layout2 = new RowLayout (DWT.VERTICAL); layout2.marginWidth = layout2.marginHeight = layout2.spacing = 10; group.setLayout (layout2); for (int i=0; i<8; i++) { Button button = new Button (group, DWT.RADIO); button.setText ("Button " ~ to!(char[])(i)); } shell.addListener (DWT.Resize, new class() Listener { public void handleEvent (Event event) { Rectangle rect = shell.getClientArea (); Image newImage = new Image (display, Math.max (1, rect.width), 1); GC gc = new GC (newImage); gc.setForeground (display.getSystemColor (DWT.COLOR_WHITE)); gc.setBackground (display.getSystemColor (DWT.COLOR_BLUE)); gc.fillGradientRectangle (rect.x, rect.y, rect.width, 1, false); gc.dispose (); shell.setBackgroundImage (newImage); if (oldImage !is null) oldImage.dispose (); oldImage = newImage; } }); shell.pack (); shell.open (); while (!shell.isDisposed ()) { if (!display.readAndDispatch ()) display.sleep (); } if (oldImage !is null) oldImage.dispose (); display.dispose (); }