Mercurial > projects > dwt2
view org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet46.d @ 125:c43718956f21 default tip
Updated the snippets status.
author | Jacob Carlborg <doob@me.com> |
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date | Thu, 11 Aug 2011 19:55:14 +0200 |
parents | 536e43f63c81 |
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/******************************************************************************* * Copyright (c) 2000, 2004 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 org.eclipse.swt.snippets.Snippet46; /* * Composite example snippet: intercept mouse events (drag a button with the mouse) * * For a list of all SWT example snippets see * http://www.eclipse.org/swt/snippets/ */ import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.layout.FillLayout; import java.lang.all; void main () { Display display = new Display (); Shell shell = new Shell (display); Composite composite = new Composite (shell, SWT.NONE); composite.setEnabled (false); composite.setLayout (new FillLayout ()); Button button = new Button (composite, SWT.PUSH); button.setText ("Button"); composite.pack (); composite.setLocation (10, 10); Point[1] offset; Listener listener = new class Listener{ public void handleEvent (Event event) { switch (event.type) { case SWT.MouseDown: Rectangle rect = composite.getBounds (); if (rect.contains (event.x, event.y)) { Point pt1 = composite.toDisplay (0, 0); Point pt2 = shell.toDisplay (event.x, event.y); offset [0] = new Point (pt2.x - pt1.x, pt2.y - pt1.y); } break; case SWT.MouseMove: if (offset [0] !is null) { Point pt = offset [0]; composite.setLocation (event.x - pt.x, event.y - pt.y); } break; case SWT.MouseUp: offset [0] = null; break; } } }; shell.addListener (SWT.MouseDown, listener); shell.addListener (SWT.MouseUp, listener); shell.addListener (SWT.MouseMove, listener); shell.setSize (300, 300); shell.open (); while (!shell.isDisposed ()) { if (!display.readAndDispatch ()) display.sleep (); } display.dispose (); }