| /* |
| * Copyright 1995-2003 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 java.awt.event.ActionEvent; |
| import sun.awt.AppContext; |
| |
| class MMenuItemPeer implements MenuItemPeer { |
| long pData; |
| long jniGlobalRef; |
| boolean isCheckbox = false; |
| MenuItem target; |
| boolean nativeCreated = false; |
| |
| private boolean disposed = false; |
| |
| static { |
| initIDs(); |
| } |
| |
| /** |
| * Initialize JNI field and method IDs |
| */ |
| private static native void initIDs(); |
| |
| native void createMenuItem(MMenuPeer parent); |
| |
| void create(MMenuPeer parent) { |
| if (parent.nativeCreated) { |
| createMenuItem(parent); |
| nativeCreated = true; |
| setEnabled(target.isEnabled()); |
| } |
| } |
| |
| protected MMenuItemPeer() { |
| } |
| |
| MMenuItemPeer(MenuItem target) { |
| this.target = target; |
| MMenuPeer parent = (MMenuPeer) MToolkit.targetToPeer(getParent_NoClientCode(target)); |
| create(parent); |
| } |
| |
| static native MenuContainer getParent_NoClientCode(MenuComponent menuComponent); |
| |
| protected void finalize() throws Throwable { |
| dispose(); |
| super.finalize(); |
| } |
| |
| public void setEnabled(boolean b) { |
| if (b) { |
| enable(); |
| } else { |
| disable(); |
| } |
| } |
| |
| public void setLabel(String label) { |
| if (!nativeCreated) { |
| return; |
| } |
| pSetLabel(label); |
| // Fix for bug 4234266 AWT component : MenuItem throw NullPointer exception. |
| MenuShortcut sc = target.getShortcut(); |
| setShortcut(sc != null ? sc.toString() : null ); |
| } |
| |
| public void setShortcut(String shortCut) { |
| if (!nativeCreated) { |
| return; |
| } |
| pSetShortcut(shortCut); |
| } |
| |
| native void pSetLabel(String label); |
| native void pSetShortcut(String shortCut); |
| |
| /** |
| * DEPRECATED but, for now, called by setEnabled(boolean). |
| */ |
| public void enable() { |
| if (!nativeCreated) { |
| return; |
| } |
| pEnable(); |
| } |
| native void pEnable(); |
| |
| /** |
| * DEPRECATED but, for now, called by setEnabled(boolean). |
| */ |
| public void disable() { |
| if (!nativeCreated) { |
| return; |
| } |
| pDisable(); |
| } |
| native void pDisable(); |
| |
| private void destroyNativeWidgetImpl() { |
| if (nativeCreated) { |
| pDispose(); |
| nativeCreated = false; |
| } |
| } |
| |
| void destroyNativeWidget() { |
| // We do not need to synchronize this method because the caller |
| // always holds the tree lock |
| |
| destroyNativeWidgetImpl(); |
| } |
| |
| /* |
| * Subclasses should override disposeImpl() instead of dispose(). Client |
| * code should always invoke dispose(), never disposeImpl(). |
| */ |
| protected void disposeImpl() { |
| // Don't call destroyNativeWidget() because on a Menu, this will |
| // cause a traversal of all the menu's MenuItems. This traversal was |
| // already done once by java.awt.Menu.removeNotify(). |
| |
| destroyNativeWidgetImpl(); |
| MToolkit.targetDisposedPeer(target, this); |
| } |
| public final void dispose() { |
| boolean call_disposeImpl = false; |
| |
| if (!disposed) { |
| synchronized (this) { |
| if (!disposed) { |
| disposed = call_disposeImpl = true; |
| } |
| } |
| } |
| |
| if (call_disposeImpl) { |
| disposeImpl(); |
| } |
| } |
| |
| native void pDispose(); |
| |
| void postEvent(AWTEvent event) { |
| MToolkit.postEvent(MToolkit.targetToAppContext(target), event); |
| } |
| |
| // NOTE: This method may be called by privileged threads. |
| // DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
| public void action(final long when, final int modifiers) { |
| |
| MToolkit.executeOnEventHandlerThread(target, new Runnable() { |
| public void run() { |
| postEvent(new ActionEvent(target, ActionEvent.ACTION_PERFORMED, |
| target.getActionCommand(), when, |
| modifiers)); |
| } |
| }); |
| } |
| |
| // Needed for MenuComponentPeer. |
| public void setFont(Font f) { |
| } |
| } |