| /* |
| * Copyright (c) 2006, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.awt.DisplayMode; |
| import java.awt.EventQueue; |
| import java.awt.Frame; |
| import java.awt.GraphicsDevice; |
| import java.awt.GraphicsEnvironment; |
| import java.lang.reflect.InvocationTargetException; |
| |
| /** |
| * Used by the UninitializedDisplayModeChangeTest to change the |
| * display mode. |
| */ |
| public class DisplayModeChanger { |
| |
| public static void main(String[] args) |
| throws InterruptedException, InvocationTargetException |
| { |
| final GraphicsDevice gd = |
| GraphicsEnvironment.getLocalGraphicsEnvironment(). |
| getDefaultScreenDevice(); |
| |
| EventQueue.invokeAndWait(new Runnable() { |
| public void run() { |
| Frame f = null; |
| if (gd.isFullScreenSupported()) { |
| try { |
| f = new Frame("DisplayChanger Frame"); |
| gd.setFullScreenWindow(f); |
| if (gd.isDisplayChangeSupported()) { |
| DisplayMode dm = findDisplayMode(gd); |
| if (gd != null) { |
| gd.setDisplayMode(dm); |
| } |
| } |
| try { |
| Thread.sleep(1000); |
| } catch (InterruptedException ex) { |
| ex.printStackTrace(); |
| } |
| gd.setFullScreenWindow(null); |
| } finally { |
| if (f != null) { |
| f.dispose(); |
| } |
| } |
| } |
| } |
| }); |
| } |
| |
| /** |
| * Finds a display mode that is different from the current display |
| * mode and is likely to cause a display change event. |
| */ |
| private static DisplayMode findDisplayMode(GraphicsDevice gd) { |
| DisplayMode dms[] = gd.getDisplayModes(); |
| DisplayMode currentDM = gd.getDisplayMode(); |
| for (DisplayMode dm : dms) { |
| if (!dm.equals(currentDM) && |
| dm.getRefreshRate() == currentDM.getRefreshRate()) |
| { |
| // different from the current dm and refresh rate is the same |
| // means that something else is different => more likely to |
| // cause a DM change event |
| return dm; |
| } |
| } |
| return null; |
| } |
| |
| } |