Mercurial > projects > dwt-samples
diff snippets/control/Snippet214.d @ 119:9a1be6ff19a2
More snippets, thanks to Tom D.
author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 20 Jul 2008 15:26:06 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/snippets/control/Snippet214.d Sun Jul 20 15:26:06 2008 +0200 @@ -0,0 +1,81 @@ +/******************************************************************************* + * 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 (); +} +