--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/classes/sun/awt/motif/MCanvasPeer.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,113 @@
+/*
+ * Copyright 1995-2005 Sun Microsystems, Inc. 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+package sun.awt.motif;
+
+import java.awt.*;
+import java.awt.peer.*;
+import sun.awt.DisplayChangedListener;
+import sun.awt.X11GraphicsConfig;
+import sun.awt.X11GraphicsDevice;
+import sun.awt.X11GraphicsEnvironment;
+
+class MCanvasPeer extends MComponentPeer implements CanvasPeer,
+ DisplayChangedListener {
+
+ native void create(MComponentPeer parent);
+ private static native void initIDs();
+ static {
+ initIDs();
+ }
+
+ MCanvasPeer() {}
+
+ MCanvasPeer(Component target) {
+ super(target);
+ }
+
+ MCanvasPeer(Component target, Object arg) {
+ super(target, arg);
+ }
+
+/* --- DisplayChangedListener Stuff --- */
+ public void displayChanged() {}
+ public void paletteChanged() {}
+ native void resetTargetGC(Component target);
+
+ /*
+ * Called when the Window this
+ * Canvas is on is moved onto another Xinerama screen.
+ *
+ * Canvases can be created with a non-defulat GraphicsConfiguration. The
+ * GraphicsConfiguration needs to be changed to one on the new screen,
+ * preferably with the same visual ID.
+ *
+ * Up-called for other windows peer instances (WPanelPeer, WWindowPeer).
+ *
+ * Should only be called from the event thread.
+ */
+ public void displayChanged(int screenNum) {
+ resetLocalGC(screenNum);
+ resetTargetGC(target); /* call Canvas.setGCFromPeer() via native */
+ }
+
+ /* Set graphicsConfig to a GraphicsConfig with the same visual on the new
+ * screen, which should be easy in Xinerama mode.
+ *
+ * Should only be called from displayChanged(), and therefore only from
+ * the event thread.
+ */
+ void resetLocalGC(int screenNum) {
+ // Opt: Only need to do if we're not using the default GC
+ if (graphicsConfig != null) {
+ X11GraphicsConfig parentgc;
+ // save vis id of current gc
+ int visual = graphicsConfig.getVisual();
+
+ X11GraphicsDevice newDev = (X11GraphicsDevice) GraphicsEnvironment.
+ getLocalGraphicsEnvironment().
+ getScreenDevices()[screenNum];
+
+ for (int i = 0; i < newDev.getNumConfigs(screenNum); i++) {
+ if (visual == newDev.getConfigVisualId(i, screenNum)) {
+ // use that
+ graphicsConfig = (X11GraphicsConfig)newDev.getConfigurations()[i];
+ break;
+ }
+ }
+ // just in case...
+ if (graphicsConfig == null) {
+ graphicsConfig = (X11GraphicsConfig) GraphicsEnvironment.
+ getLocalGraphicsEnvironment().
+ getScreenDevices()[screenNum].
+ getDefaultConfiguration();
+ }
+ }
+ }
+
+ protected boolean shouldFocusOnClick() {
+ // Canvas should always be able to be focused by mouse clicks.
+ return true;
+ }
+}