| /* |
| * Copyright 2003-2007 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.X11; |
| |
| import java.awt.Component; |
| import java.awt.KeyboardFocusManager; |
| import java.awt.Window; |
| |
| import java.awt.event.FocusEvent; |
| |
| import java.awt.peer.KeyboardFocusManagerPeer; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import sun.awt.CausedFocusEvent; |
| import sun.awt.SunToolkit; |
| |
| public class XKeyboardFocusManagerPeer implements KeyboardFocusManagerPeer { |
| private static final Logger focusLog = Logger.getLogger("sun.awt.X11.focus.XKeyboardFocusManagerPeer"); |
| KeyboardFocusManager manager; |
| |
| XKeyboardFocusManagerPeer(KeyboardFocusManager manager) { |
| this.manager = manager; |
| } |
| |
| private static Object lock = new Object() {}; |
| private static Component currentFocusOwner; |
| private static Window currentFocusedWindow; |
| |
| static void setCurrentNativeFocusOwner(Component comp) { |
| if (focusLog.isLoggable(Level.FINER)) focusLog.finer("Setting current native focus owner " + comp); |
| synchronized(lock) { |
| currentFocusOwner = comp; |
| } |
| } |
| |
| static void setCurrentNativeFocusedWindow(Window win) { |
| if (focusLog.isLoggable(Level.FINER)) focusLog.finer("Setting current native focused window " + win); |
| synchronized(lock) { |
| currentFocusedWindow = win; |
| } |
| } |
| |
| static Component getCurrentNativeFocusOwner() { |
| synchronized(lock) { |
| return currentFocusOwner; |
| } |
| } |
| |
| static Window getCurrentNativeFocusedWindow() { |
| synchronized(lock) { |
| return currentFocusedWindow; |
| } |
| } |
| |
| public Window getCurrentFocusedWindow() { |
| return getCurrentNativeFocusedWindow(); |
| } |
| |
| public void setCurrentFocusOwner(Component comp) { |
| setCurrentNativeFocusOwner(comp); |
| } |
| |
| public Component getCurrentFocusOwner() { |
| return getCurrentNativeFocusOwner(); |
| } |
| |
| public void clearGlobalFocusOwner(Window activeWindow) { |
| if (activeWindow != null) { |
| Component focusOwner = activeWindow.getFocusOwner(); |
| if (focusLog.isLoggable(Level.FINE)) focusLog.fine("Clearing global focus owner " + focusOwner); |
| if (focusOwner != null) { |
| XComponentPeer nativePeer = XComponentPeer.getNativeContainer(focusOwner); |
| if (nativePeer != null) { |
| FocusEvent fl = new CausedFocusEvent(focusOwner, FocusEvent.FOCUS_LOST, false, null, |
| CausedFocusEvent.Cause.CLEAR_GLOBAL_FOCUS_OWNER); |
| XWindow.sendEvent(fl); |
| } |
| } |
| } |
| } |
| |
| static boolean simulateMotifRequestFocus(Component lightweightChild, Component target, boolean temporary, |
| boolean focusedWindowChangeAllowed, long time, CausedFocusEvent.Cause cause) |
| { |
| if (lightweightChild == null) { |
| lightweightChild = (Component)target; |
| } |
| Component currentOwner = XKeyboardFocusManagerPeer.getCurrentNativeFocusOwner(); |
| if (currentOwner != null && currentOwner.getPeer() == null) { |
| currentOwner = null; |
| } |
| if (focusLog.isLoggable(Level.FINER)) focusLog.finer("Simulating transfer from " + currentOwner + " to " + lightweightChild); |
| FocusEvent fg = new CausedFocusEvent(lightweightChild, FocusEvent.FOCUS_GAINED, false, currentOwner, cause); |
| FocusEvent fl = null; |
| if (currentOwner != null) { |
| fl = new CausedFocusEvent(currentOwner, FocusEvent.FOCUS_LOST, false, lightweightChild, cause); |
| } |
| |
| if (fl != null) { |
| XWindow.sendEvent(fl); |
| } |
| XWindow.sendEvent(fg); |
| return true; |
| } |
| |
| static Method shouldNativelyFocusHeavyweightMethod; |
| |
| static int shouldNativelyFocusHeavyweight(Component heavyweight, |
| Component descendant, boolean temporary, |
| boolean focusedWindowChangeAllowed, long time, CausedFocusEvent.Cause cause) |
| { |
| if (shouldNativelyFocusHeavyweightMethod == null) { |
| Class[] arg_types = |
| new Class[] { Component.class, |
| Component.class, |
| Boolean.TYPE, |
| Boolean.TYPE, |
| Long.TYPE, |
| CausedFocusEvent.Cause.class |
| }; |
| |
| shouldNativelyFocusHeavyweightMethod = |
| SunToolkit.getMethod(KeyboardFocusManager.class, |
| "shouldNativelyFocusHeavyweight", |
| arg_types); |
| } |
| Object[] args = new Object[] { heavyweight, |
| descendant, |
| Boolean.valueOf(temporary), |
| Boolean.valueOf(focusedWindowChangeAllowed), |
| Long.valueOf(time), cause}; |
| |
| int result = XComponentPeer.SNFH_FAILURE; |
| if (shouldNativelyFocusHeavyweightMethod != null) { |
| try { |
| result = ((Integer) shouldNativelyFocusHeavyweightMethod.invoke(null, args)).intValue(); |
| } |
| catch (IllegalAccessException e) { |
| assert false; |
| } |
| catch (InvocationTargetException e) { |
| assert false; |
| } |
| } |
| |
| return result; |
| } |
| } |