src/macosx/native/sun/awt/CMenuItem.m - platform/external/jetbrains/jdk8u_jdk - Git at Google

 /*
  * Copyright (c) 2011, 2016, 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.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 #import <JavaNativeFoundation/JavaNativeFoundation.h>

 #import "CMenuItem.h"
 #import "CMenu.h"
 #import "AWTEvent.h"
 #import "ThreadUtilities.h"

 #import "java_awt_Event.h"
 #import "java_awt_event_KeyEvent.h"
 #import "sun_lwawt_macosx_CMenuItem.h"

 #define NOT_A_CHECKBOXMENU -2


 @implementation CMenuItem

 - (id) initWithPeer:(jobject)peer asSeparator: (BOOL) asSeparator{
 AWT_ASSERT_APPKIT_THREAD;
     self = [super initWithPeer:peer];
     if (self) {
         if (asSeparator) {
             fMenuItem = (NSMenuItem*)[NSMenuItem separatorItem];
             [fMenuItem retain];
         } else {
             fMenuItem = [[NSMenuItem alloc] init];
             [fMenuItem setAction:@selector(handleAction:)];
             [fMenuItem setTarget:self];
         }
         fIsCheckbox = NO;
         fIsEnabled = YES;
     }
     return self;
 }

 // This is because NSApplication doesn't check the target's window when sending
 // actions; they only check the target itself.  We always return YES,
 // since we shouldn't even be installed unless our window is active.
 - (BOOL) worksWhenModal {
     return YES;
 }

 // Events
 - (void)handleAction:(NSMenuItem *)sender {
 AWT_ASSERT_APPKIT_THREAD;
     JNIEnv *env = [ThreadUtilities getJNIEnv];
 JNF_COCOA_ENTER(env);

     NSEvent *currEvent = [[NSApplication sharedApplication] currentEvent];

     NSEvent* latestPerformKeyEquivalentEvent = [AWTToolkit latestPerformKeyEquivalentEvent];
     if (latestPerformKeyEquivalentEvent != NULL && [currEvent isEqual:latestPerformKeyEquivalentEvent]) {
         [latestPerformKeyEquivalentEvent release];
         [AWTToolkit setLatestPerformKeyEquivalentEvent:NULL];
         return;
     }

     if (fIsCheckbox) {
         static JNF_CLASS_CACHE(jc_CCheckboxMenuItem, "sun/lwawt/macosx/CCheckboxMenuItem");
         static JNF_MEMBER_CACHE(jm_ckHandleAction, jc_CCheckboxMenuItem, "handleAction", "(Z)V");

         // Send the opposite of what's currently checked -- the action
         // indicates what state we're going to.
         NSInteger state = [sender state];
         jboolean newState = (state == NSOnState ? JNI_FALSE : JNI_TRUE);
         JNFCallVoidMethod(env, fPeer, jm_ckHandleAction, newState);
     } else {
         static JNF_CLASS_CACHE(jc_CMenuItem, "sun/lwawt/macosx/CMenuItem");
         static JNF_MEMBER_CACHE(jm_handleAction, jc_CMenuItem, "handleAction", "(JI)V"); // AWT_THREADING Safe (event)

         NSUInteger modifiers = [currEvent modifierFlags];
         jint javaModifiers = NsKeyModifiersToJavaModifiers(modifiers, NO);

         JNFCallVoidMethod(env, fPeer, jm_handleAction, UTC(currEvent), javaModifiers); // AWT_THREADING Safe (event)
     }
 JNF_COCOA_EXIT(env);
 }

 - (void) setJavaLabel:(NSString *)theLabel shortcut:(NSString *)theKeyEquivalent modifierMask:(jint)modifiers {

     NSUInteger modifierMask = 0;

     if (![theKeyEquivalent isEqualToString:@""]) {
         // Force the key equivalent to lower case if not using the shift key.
         // Otherwise AppKit will draw a Shift glyph in the menu.
         if ((modifiers & java_awt_event_KeyEvent_SHIFT_MASK) == 0) {
             theKeyEquivalent = [theKeyEquivalent lowercaseString];
         }

         // Hack for the question mark -- SHIFT and / means use the question mark.
         if ((modifiers & java_awt_event_KeyEvent_SHIFT_MASK) != 0 &&
             [theKeyEquivalent isEqualToString:@"/"])
         {
             theKeyEquivalent = @"?";
             modifiers &= ~java_awt_event_KeyEvent_SHIFT_MASK;
         }

         modifierMask = JavaModifiersToNsKeyModifiers(modifiers, NO);
     }

     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
         [fMenuItem setKeyEquivalent:theKeyEquivalent];
         [fMenuItem setKeyEquivalentModifierMask:modifierMask];
         [fMenuItem setTitle:theLabel];
     }];
 }

 - (void) setJavaImage:(NSImage *)theImage {

     [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
         [fMenuItem setImage:theImage];
     }];
 }

 - (void) setJavaToolTipText:(NSString *)theText {

     [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
         [fMenuItem setToolTip:theText];
     }];
 }


 - (void)setJavaEnabled:(BOOL) enabled {

     [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
         @synchronized(self) {
             fIsEnabled = enabled;

             // Warning:  This won't work if the parent menu is disabled.
             // See [CMenu syncFromJava]. We still need to call it here so
             // the NSMenuItem itself gets properly updated.
             [fMenuItem setEnabled:fIsEnabled];
         }
     }];
 }

 - (BOOL)isEnabled {

     BOOL enabled = NO;
     @synchronized(self) {
         enabled = fIsEnabled;
     }
     return enabled;
 }


 - (void)setJavaState:(BOOL)newState {

     [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
         [fMenuItem setState:(newState ? NSOnState : NSOffState)];
     }];
 }

 - (void)dealloc {
     [fMenuItem setAction:NULL];
     [fMenuItem setTarget:nil];
     [fMenuItem release];
     fMenuItem = nil;

     [super dealloc];
 }

 - (void)addNSMenuItemToMenu:(NSMenu *)inMenu {
     [inMenu addItem:fMenuItem];
 }

 - (NSMenuItem *)menuItem {
     return [[fMenuItem retain] autorelease];
 }

 - (void)setIsCheckbox {
     fIsCheckbox = YES;
 }

 - (NSString *)description {
     return [NSString stringWithFormat:@"CMenuItem[ %@ ]", fMenuItem];
 }

 @end

 /** Convert a Java keycode for SetMenuItemCmd */
 static unichar AWTKeyToMacShortcut(jint awtKey, BOOL doShift) {
     unichar macKey = 0;

     if ((awtKey >= java_awt_event_KeyEvent_VK_0 && awtKey <= java_awt_event_KeyEvent_VK_9) ||
         (awtKey >= java_awt_event_KeyEvent_VK_A && awtKey <= java_awt_event_KeyEvent_VK_Z))
     {
         // These ranges are the same in ASCII
         macKey = awtKey;
     } else if (awtKey >= java_awt_event_KeyEvent_VK_F1 && awtKey <= java_awt_event_KeyEvent_VK_F12) {
         // Support for F1 - F12 has been around since Java 1.0 and fall into a lower range.
         macKey = awtKey - java_awt_event_KeyEvent_VK_F1 + NSF1FunctionKey;
     } else if (awtKey >= java_awt_event_KeyEvent_VK_F13 && awtKey <= java_awt_event_KeyEvent_VK_F24) {
         // Support for F13-F24 came in Java 1.2 and are at a different range.
         macKey = awtKey - java_awt_event_KeyEvent_VK_F13 + NSF13FunctionKey;
     } else {
         // Special characters
         switch (awtKey) {
         case java_awt_event_KeyEvent_VK_BACK_QUOTE      : macKey = '`'; break;
         case java_awt_event_KeyEvent_VK_QUOTE           : macKey = '\''; break;

         case java_awt_event_KeyEvent_VK_ESCAPE          : macKey = 0x1B; break;
 //        case java_awt_event_KeyEvent_VK_SPACE           : macKey = kMenuSpaceGlyph; break;
         case java_awt_event_KeyEvent_VK_PAGE_UP         : macKey = NSPageUpFunctionKey; break;
         case java_awt_event_KeyEvent_VK_PAGE_DOWN       : macKey = NSPageDownFunctionKey; break;
         case java_awt_event_KeyEvent_VK_END             : macKey = NSEndFunctionKey; break;
         case java_awt_event_KeyEvent_VK_HOME            : macKey = NSHomeFunctionKey; break;

         case java_awt_event_KeyEvent_VK_LEFT            : macKey = NSLeftArrowFunctionKey; break;
         case java_awt_event_KeyEvent_VK_UP              : macKey = NSUpArrowFunctionKey; break;
         case java_awt_event_KeyEvent_VK_RIGHT           : macKey = NSRightArrowFunctionKey; break;
         case java_awt_event_KeyEvent_VK_DOWN            : macKey = NSDownArrowFunctionKey; break;

         case java_awt_event_KeyEvent_VK_COMMA           : macKey = ','; break;

         // Mac OS doesn't distinguish between the two '-' keys...
         case java_awt_event_KeyEvent_VK_MINUS           :
         case java_awt_event_KeyEvent_VK_SUBTRACT        : macKey = '-'; break;

         // or the two '.' keys...
         case java_awt_event_KeyEvent_VK_DECIMAL         :
         case java_awt_event_KeyEvent_VK_PERIOD          : macKey = '.'; break;

         // or the two '/' keys.
         case java_awt_event_KeyEvent_VK_DIVIDE          :
         case java_awt_event_KeyEvent_VK_SLASH           : macKey = '/'; break;

         case java_awt_event_KeyEvent_VK_SEMICOLON       : macKey = ';'; break;
         case java_awt_event_KeyEvent_VK_EQUALS          : macKey = '='; break;

         case java_awt_event_KeyEvent_VK_OPEN_BRACKET    : macKey = '['; break;
         case java_awt_event_KeyEvent_VK_BACK_SLASH      : macKey = '\\'; break;
         case java_awt_event_KeyEvent_VK_CLOSE_BRACKET   : macKey = ']'; break;

         case java_awt_event_KeyEvent_VK_MULTIPLY        : macKey = '*'; break;
         case java_awt_event_KeyEvent_VK_ADD             : macKey = '+'; break;

         case java_awt_event_KeyEvent_VK_HELP            : macKey = NSHelpFunctionKey; break;
         case java_awt_event_KeyEvent_VK_TAB             : macKey = NSTabCharacter; break;
         case java_awt_event_KeyEvent_VK_ENTER           : macKey = NSNewlineCharacter; break;
         case java_awt_event_KeyEvent_VK_BACK_SPACE      : macKey = NSBackspaceCharacter; break;
         case java_awt_event_KeyEvent_VK_DELETE          : macKey = NSDeleteCharacter; break;
         case java_awt_event_KeyEvent_VK_CLEAR           : macKey = NSClearDisplayFunctionKey; break;
         case java_awt_event_KeyEvent_VK_AMPERSAND       : macKey = '&'; break;
         case java_awt_event_KeyEvent_VK_ASTERISK        : macKey = '*'; break;
         case java_awt_event_KeyEvent_VK_QUOTEDBL        : macKey = '\"'; break;
         case java_awt_event_KeyEvent_VK_LESS            : macKey = '<'; break;
         case java_awt_event_KeyEvent_VK_GREATER         : macKey = '>'; break;
         case java_awt_event_KeyEvent_VK_BRACELEFT       : macKey = '{'; break;
         case java_awt_event_KeyEvent_VK_BRACERIGHT      : macKey = '}'; break;
         case java_awt_event_KeyEvent_VK_AT              : macKey = '@'; break;
         case java_awt_event_KeyEvent_VK_COLON           : macKey = ':'; break;
         case java_awt_event_KeyEvent_VK_CIRCUMFLEX      : macKey = '^'; break;
         case java_awt_event_KeyEvent_VK_DOLLAR          : macKey = '$'; break;
         case java_awt_event_KeyEvent_VK_EXCLAMATION_MARK : macKey = '!'; break;
         case java_awt_event_KeyEvent_VK_LEFT_PARENTHESIS : macKey = '('; break;
         case java_awt_event_KeyEvent_VK_NUMBER_SIGN     : macKey = '#'; break;
         case java_awt_event_KeyEvent_VK_PLUS            : macKey = '+'; break;
         case java_awt_event_KeyEvent_VK_RIGHT_PARENTHESIS: macKey = ')'; break;
         case java_awt_event_KeyEvent_VK_UNDERSCORE      : macKey = '_'; break;
         }
     }
     return macKey;
 }

 /*
  * Class:     sun_lwawt_macosx_CMenuItem
  * Method:    nativeSetLabel
  * Signature: (JLjava/lang/String;CII)V
  */
 JNIEXPORT void JNICALL
 Java_sun_lwawt_macosx_CMenuItem_nativeSetLabel
 (JNIEnv *env, jobject peer,
      jlong menuItemObj, jstring label,
      jchar shortcutKey, jint shortcutKeyCode, jint mods)
 {
 JNF_COCOA_ENTER(env);
     NSString *theLabel = JNFJavaToNSString(env, label);
     NSString *theKeyEquivalent = nil;
     unichar macKey = shortcutKey;

     if (macKey == 0) {
         macKey = AWTKeyToMacShortcut(shortcutKeyCode, (mods & java_awt_event_KeyEvent_SHIFT_MASK) != 0);
     }

     if (macKey != 0) {
         unichar equivalent[1] = {macKey};
         theKeyEquivalent = [NSString stringWithCharacters:equivalent length:1];
     } else {
         theKeyEquivalent = @"";
     }

     [((CMenuItem *)jlong_to_ptr(menuItemObj)) setJavaLabel:theLabel shortcut:theKeyEquivalent modifierMask:mods];
 JNF_COCOA_EXIT(env);
 }

 /*
  * Class:     sun_lwawt_macosx_CMenuItem
  * Method:    nativeSetTooltip
  * Signature: (JLjava/lang/String;)V
  */
 JNIEXPORT void JNICALL
 Java_sun_lwawt_macosx_CMenuItem_nativeSetTooltip
 (JNIEnv *env, jobject peer, jlong menuItemObj, jstring tooltip)
 {
 JNF_COCOA_ENTER(env);
     NSString *theTooltip = JNFJavaToNSString(env, tooltip);
     [((CMenuItem *)jlong_to_ptr(menuItemObj)) setJavaToolTipText:theTooltip];
 JNF_COCOA_EXIT(env);
 }

 /*
  * Class:     sun_lwawt_macosx_CMenuItem
  * Method:    nativeSetImage
  * Signature: (JJ)V
  */
 JNIEXPORT void JNICALL
 Java_sun_lwawt_macosx_CMenuItem_nativeSetImage
 (JNIEnv *env, jobject peer, jlong menuItemObj, jlong image)
 {
 JNF_COCOA_ENTER(env);
     [((CMenuItem *)jlong_to_ptr(menuItemObj)) setJavaImage:(NSImage*)jlong_to_ptr(image)];
 JNF_COCOA_EXIT(env);
 }

 /*
  * Class:     sun_lwawt_macosx_CMenuItem
  * Method:    nativeCreate
  * Signature: (JZ)J
  */
 JNIEXPORT jlong JNICALL
 Java_sun_lwawt_macosx_CMenuItem_nativeCreate
     (JNIEnv *env, jobject peer, jlong parentCMenuObj, jboolean isSeparator)
 {

     __block CMenuItem *aCMenuItem = nil;
     BOOL asSeparator = (isSeparator == JNI_TRUE) ? YES: NO;
     CMenu *parentCMenu = (CMenu *)jlong_to_ptr(parentCMenuObj);
 JNF_COCOA_ENTER(env);

     jobject cPeerObjGlobal = (*env)->NewGlobalRef(env, peer);

      [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
         aCMenuItem = [[CMenuItem alloc] initWithPeer: cPeerObjGlobal
                                          asSeparator: asSeparator];
         // the CMenuItem is released in CMenuComponent.dispose()
     }];

     if (aCMenuItem == nil) {
         return 0L;
     }

     // and add it to the parent item.
     [parentCMenu addJavaMenuItem: aCMenuItem];

     // setLabel will be called after creation completes.

 JNF_COCOA_EXIT(env);
     return ptr_to_jlong(aCMenuItem);
 }

 /*
  * Class:     sun_lwawt_macosx_CMenuItem
  * Method:    nativeSetEnabled
  * Signature: (JZ)V
  */
 JNIEXPORT void JNICALL
 Java_sun_lwawt_macosx_CMenuItem_nativeSetEnabled
 (JNIEnv *env, jobject peer, jlong menuItemObj, jboolean enable)
 {
 JNF_COCOA_ENTER(env);
     CMenuItem *item = (CMenuItem *)jlong_to_ptr(menuItemObj);
     [item setJavaEnabled: (enable == JNI_TRUE)];
 JNF_COCOA_EXIT(env);
 }

 /*
  * Class:     sun_lwawt_macosx_CCheckboxMenuItem
  * Method:    nativeSetState
  * Signature: (IZ)V
  */
 JNIEXPORT void JNICALL
 Java_sun_lwawt_macosx_CCheckboxMenuItem_nativeSetState
 (JNIEnv *env, jobject peer, jlong menuItemObj, jboolean state)
 {
 JNF_COCOA_ENTER(env);
     CMenuItem *item = (CMenuItem *)jlong_to_ptr(menuItemObj);
     [item setJavaState: (state == JNI_TRUE)];
 JNF_COCOA_EXIT(env);
 }

 /*
  * Class:     sun_lwawt_macosx_CCheckboxMenuItem
  * Method:    nativeSetState
  * Signature: (IZ)V
  */
 JNIEXPORT void JNICALL
 Java_sun_lwawt_macosx_CCheckboxMenuItem_nativeSetIsCheckbox
 (JNIEnv *env, jobject peer, jlong menuItemObj)
 {
 JNF_COCOA_ENTER(env);
     CMenuItem *item = (CMenuItem *)jlong_to_ptr(menuItemObj);
     [item setIsCheckbox];
 JNF_COCOA_EXIT(env);
 }
	/*
	* Copyright (c) 2011, 2016, 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. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	#import <JavaNativeFoundation/JavaNativeFoundation.h>

	#import "CMenuItem.h"
	#import "CMenu.h"
	#import "AWTEvent.h"
	#import "ThreadUtilities.h"

	#import "java_awt_Event.h"
	#import "java_awt_event_KeyEvent.h"
	#import "sun_lwawt_macosx_CMenuItem.h"

	#define NOT_A_CHECKBOXMENU -2


	@implementation CMenuItem

	- (id) initWithPeer:(jobject)peer asSeparator: (BOOL) asSeparator{
	AWT_ASSERT_APPKIT_THREAD;
	self = [super initWithPeer:peer];
	if (self) {
	if (asSeparator) {
	fMenuItem = (NSMenuItem*)[NSMenuItem separatorItem];
	[fMenuItem retain];
	} else {
	fMenuItem = [[NSMenuItem alloc] init];
	[fMenuItem setAction:@selector(handleAction:)];
	[fMenuItem setTarget:self];
	}
	fIsCheckbox = NO;
	fIsEnabled = YES;
	}
	return self;
	}

	// This is because NSApplication doesn't check the target's window when sending
	// actions; they only check the target itself. We always return YES,
	// since we shouldn't even be installed unless our window is active.
	- (BOOL) worksWhenModal {
	return YES;
	}

	// Events
	- (void)handleAction:(NSMenuItem *)sender {
	AWT_ASSERT_APPKIT_THREAD;
	JNIEnv *env = [ThreadUtilities getJNIEnv];
	JNF_COCOA_ENTER(env);

	NSEvent *currEvent = [[NSApplication sharedApplication] currentEvent];

	NSEvent* latestPerformKeyEquivalentEvent = [AWTToolkit latestPerformKeyEquivalentEvent];
	if (latestPerformKeyEquivalentEvent != NULL && [currEvent isEqual:latestPerformKeyEquivalentEvent]) {
	[latestPerformKeyEquivalentEvent release];
	[AWTToolkit setLatestPerformKeyEquivalentEvent:NULL];
	return;
	}

	if (fIsCheckbox) {
	static JNF_CLASS_CACHE(jc_CCheckboxMenuItem, "sun/lwawt/macosx/CCheckboxMenuItem");
	static JNF_MEMBER_CACHE(jm_ckHandleAction, jc_CCheckboxMenuItem, "handleAction", "(Z)V");

	// Send the opposite of what's currently checked -- the action
	// indicates what state we're going to.
	NSInteger state = [sender state];
	jboolean newState = (state == NSOnState ? JNI_FALSE : JNI_TRUE);
	JNFCallVoidMethod(env, fPeer, jm_ckHandleAction, newState);
	} else {
	static JNF_CLASS_CACHE(jc_CMenuItem, "sun/lwawt/macosx/CMenuItem");
	static JNF_MEMBER_CACHE(jm_handleAction, jc_CMenuItem, "handleAction", "(JI)V"); // AWT_THREADING Safe (event)

	NSUInteger modifiers = [currEvent modifierFlags];
	jint javaModifiers = NsKeyModifiersToJavaModifiers(modifiers, NO);

	JNFCallVoidMethod(env, fPeer, jm_handleAction, UTC(currEvent), javaModifiers); // AWT_THREADING Safe (event)
	}
	JNF_COCOA_EXIT(env);
	}

	- (void) setJavaLabel:(NSString )theLabel shortcut:(NSString )theKeyEquivalent modifierMask:(jint)modifiers {

	NSUInteger modifierMask = 0;

	if (![theKeyEquivalent isEqualToString:@""]) {
	// Force the key equivalent to lower case if not using the shift key.
	// Otherwise AppKit will draw a Shift glyph in the menu.
	if ((modifiers & java_awt_event_KeyEvent_SHIFT_MASK) == 0) {
	theKeyEquivalent = [theKeyEquivalent lowercaseString];
	}

	// Hack for the question mark -- SHIFT and / means use the question mark.
	if ((modifiers & java_awt_event_KeyEvent_SHIFT_MASK) != 0 &&
	[theKeyEquivalent isEqualToString:@"/"])
	{
	theKeyEquivalent = @"?";
	modifiers &= ~java_awt_event_KeyEvent_SHIFT_MASK;
	}

	modifierMask = JavaModifiersToNsKeyModifiers(modifiers, NO);
	}

	[ThreadUtilities performOnMainThreadWaiting:YES block:^(){
	[fMenuItem setKeyEquivalent:theKeyEquivalent];
	[fMenuItem setKeyEquivalentModifierMask:modifierMask];
	[fMenuItem setTitle:theLabel];
	}];
	}

	- (void) setJavaImage:(NSImage *)theImage {

	[ThreadUtilities performOnMainThreadWaiting:NO block:^(){
	[fMenuItem setImage:theImage];
	}];
	}

	- (void) setJavaToolTipText:(NSString *)theText {

	[ThreadUtilities performOnMainThreadWaiting:NO block:^(){
	[fMenuItem setToolTip:theText];
	}];
	}


	- (void)setJavaEnabled:(BOOL) enabled {

	[ThreadUtilities performOnMainThreadWaiting:NO block:^(){
	@synchronized(self) {
	fIsEnabled = enabled;

	// Warning: This won't work if the parent menu is disabled.
	// See [CMenu syncFromJava]. We still need to call it here so
	// the NSMenuItem itself gets properly updated.
	[fMenuItem setEnabled:fIsEnabled];
	}
	}];
	}

	- (BOOL)isEnabled {

	BOOL enabled = NO;
	@synchronized(self) {
	enabled = fIsEnabled;
	}
	return enabled;
	}


	- (void)setJavaState:(BOOL)newState {

	[ThreadUtilities performOnMainThreadWaiting:NO block:^(){
	[fMenuItem setState:(newState ? NSOnState : NSOffState)];
	}];
	}

	- (void)dealloc {
	[fMenuItem setAction:NULL];
	[fMenuItem setTarget:nil];
	[fMenuItem release];
	fMenuItem = nil;

	[super dealloc];
	}

	- (void)addNSMenuItemToMenu:(NSMenu *)inMenu {
	[inMenu addItem:fMenuItem];
	}

	- (NSMenuItem *)menuItem {
	return [[fMenuItem retain] autorelease];
	}

	- (void)setIsCheckbox {
	fIsCheckbox = YES;
	}

	- (NSString *)description {
	return [NSString stringWithFormat:@"CMenuItem[ %@ ]", fMenuItem];
	}

	@end

	/** Convert a Java keycode for SetMenuItemCmd */
	static unichar AWTKeyToMacShortcut(jint awtKey, BOOL doShift) {
	unichar macKey = 0;

	if ((awtKey >= java_awt_event_KeyEvent_VK_0 && awtKey <= java_awt_event_KeyEvent_VK_9) \|\|
	(awtKey >= java_awt_event_KeyEvent_VK_A && awtKey <= java_awt_event_KeyEvent_VK_Z))
	{
	// These ranges are the same in ASCII
	macKey = awtKey;
	} else if (awtKey >= java_awt_event_KeyEvent_VK_F1 && awtKey <= java_awt_event_KeyEvent_VK_F12) {
	// Support for F1 - F12 has been around since Java 1.0 and fall into a lower range.
	macKey = awtKey - java_awt_event_KeyEvent_VK_F1 + NSF1FunctionKey;
	} else if (awtKey >= java_awt_event_KeyEvent_VK_F13 && awtKey <= java_awt_event_KeyEvent_VK_F24) {
	// Support for F13-F24 came in Java 1.2 and are at a different range.
	macKey = awtKey - java_awt_event_KeyEvent_VK_F13 + NSF13FunctionKey;
	} else {
	// Special characters
	switch (awtKey) {
	case java_awt_event_KeyEvent_VK_BACK_QUOTE : macKey = '`'; break;
	case java_awt_event_KeyEvent_VK_QUOTE : macKey = '\''; break;

	case java_awt_event_KeyEvent_VK_ESCAPE : macKey = 0x1B; break;
	// case java_awt_event_KeyEvent_VK_SPACE : macKey = kMenuSpaceGlyph; break;
	case java_awt_event_KeyEvent_VK_PAGE_UP : macKey = NSPageUpFunctionKey; break;
	case java_awt_event_KeyEvent_VK_PAGE_DOWN : macKey = NSPageDownFunctionKey; break;
	case java_awt_event_KeyEvent_VK_END : macKey = NSEndFunctionKey; break;
	case java_awt_event_KeyEvent_VK_HOME : macKey = NSHomeFunctionKey; break;

	case java_awt_event_KeyEvent_VK_LEFT : macKey = NSLeftArrowFunctionKey; break;
	case java_awt_event_KeyEvent_VK_UP : macKey = NSUpArrowFunctionKey; break;
	case java_awt_event_KeyEvent_VK_RIGHT : macKey = NSRightArrowFunctionKey; break;
	case java_awt_event_KeyEvent_VK_DOWN : macKey = NSDownArrowFunctionKey; break;

	case java_awt_event_KeyEvent_VK_COMMA : macKey = ','; break;

	// Mac OS doesn't distinguish between the two '-' keys...
	case java_awt_event_KeyEvent_VK_MINUS :
	case java_awt_event_KeyEvent_VK_SUBTRACT : macKey = '-'; break;

	// or the two '.' keys...
	case java_awt_event_KeyEvent_VK_DECIMAL :
	case java_awt_event_KeyEvent_VK_PERIOD : macKey = '.'; break;

	// or the two '/' keys.
	case java_awt_event_KeyEvent_VK_DIVIDE :
	case java_awt_event_KeyEvent_VK_SLASH : macKey = '/'; break;

	case java_awt_event_KeyEvent_VK_SEMICOLON : macKey = ';'; break;
	case java_awt_event_KeyEvent_VK_EQUALS : macKey = '='; break;

	case java_awt_event_KeyEvent_VK_OPEN_BRACKET : macKey = '['; break;
	case java_awt_event_KeyEvent_VK_BACK_SLASH : macKey = '\\'; break;
	case java_awt_event_KeyEvent_VK_CLOSE_BRACKET : macKey = ']'; break;

	case java_awt_event_KeyEvent_VK_MULTIPLY : macKey = '*'; break;
	case java_awt_event_KeyEvent_VK_ADD : macKey = '+'; break;

	case java_awt_event_KeyEvent_VK_HELP : macKey = NSHelpFunctionKey; break;
	case java_awt_event_KeyEvent_VK_TAB : macKey = NSTabCharacter; break;
	case java_awt_event_KeyEvent_VK_ENTER : macKey = NSNewlineCharacter; break;
	case java_awt_event_KeyEvent_VK_BACK_SPACE : macKey = NSBackspaceCharacter; break;
	case java_awt_event_KeyEvent_VK_DELETE : macKey = NSDeleteCharacter; break;
	case java_awt_event_KeyEvent_VK_CLEAR : macKey = NSClearDisplayFunctionKey; break;
	case java_awt_event_KeyEvent_VK_AMPERSAND : macKey = '&'; break;
	case java_awt_event_KeyEvent_VK_ASTERISK : macKey = '*'; break;
	case java_awt_event_KeyEvent_VK_QUOTEDBL : macKey = '\"'; break;
	case java_awt_event_KeyEvent_VK_LESS : macKey = '<'; break;
	case java_awt_event_KeyEvent_VK_GREATER : macKey = '>'; break;
	case java_awt_event_KeyEvent_VK_BRACELEFT : macKey = '{'; break;
	case java_awt_event_KeyEvent_VK_BRACERIGHT : macKey = '}'; break;
	case java_awt_event_KeyEvent_VK_AT : macKey = '@'; break;
	case java_awt_event_KeyEvent_VK_COLON : macKey = ':'; break;
	case java_awt_event_KeyEvent_VK_CIRCUMFLEX : macKey = '^'; break;
	case java_awt_event_KeyEvent_VK_DOLLAR : macKey = '$'; break;
	case java_awt_event_KeyEvent_VK_EXCLAMATION_MARK : macKey = '!'; break;
	case java_awt_event_KeyEvent_VK_LEFT_PARENTHESIS : macKey = '('; break;
	case java_awt_event_KeyEvent_VK_NUMBER_SIGN : macKey = '#'; break;
	case java_awt_event_KeyEvent_VK_PLUS : macKey = '+'; break;
	case java_awt_event_KeyEvent_VK_RIGHT_PARENTHESIS: macKey = ')'; break;
	case java_awt_event_KeyEvent_VK_UNDERSCORE : macKey = '_'; break;
	}
	}
	return macKey;
	}

	/*
	* Class: sun_lwawt_macosx_CMenuItem
	* Method: nativeSetLabel
	* Signature: (JLjava/lang/String;CII)V
	*/
	JNIEXPORT void JNICALL
	Java_sun_lwawt_macosx_CMenuItem_nativeSetLabel
	(JNIEnv *env, jobject peer,
	jlong menuItemObj, jstring label,
	jchar shortcutKey, jint shortcutKeyCode, jint mods)
	{
	JNF_COCOA_ENTER(env);
	NSString *theLabel = JNFJavaToNSString(env, label);
	NSString *theKeyEquivalent = nil;
	unichar macKey = shortcutKey;

	if (macKey == 0) {
	macKey = AWTKeyToMacShortcut(shortcutKeyCode, (mods & java_awt_event_KeyEvent_SHIFT_MASK) != 0);
	}

	if (macKey != 0) {
	unichar equivalent[1] = {macKey};
	theKeyEquivalent = [NSString stringWithCharacters:equivalent length:1];
	} else {
	theKeyEquivalent = @"";
	}

	[((CMenuItem *)jlong_to_ptr(menuItemObj)) setJavaLabel:theLabel shortcut:theKeyEquivalent modifierMask:mods];
	JNF_COCOA_EXIT(env);
	}

	/*
	* Class: sun_lwawt_macosx_CMenuItem
	* Method: nativeSetTooltip
	* Signature: (JLjava/lang/String;)V
	*/
	JNIEXPORT void JNICALL
	Java_sun_lwawt_macosx_CMenuItem_nativeSetTooltip
	(JNIEnv *env, jobject peer, jlong menuItemObj, jstring tooltip)
	{
	JNF_COCOA_ENTER(env);
	NSString *theTooltip = JNFJavaToNSString(env, tooltip);
	[((CMenuItem *)jlong_to_ptr(menuItemObj)) setJavaToolTipText:theTooltip];
	JNF_COCOA_EXIT(env);
	}

	/*
	* Class: sun_lwawt_macosx_CMenuItem
	* Method: nativeSetImage
	* Signature: (JJ)V
	*/
	JNIEXPORT void JNICALL
	Java_sun_lwawt_macosx_CMenuItem_nativeSetImage
	(JNIEnv *env, jobject peer, jlong menuItemObj, jlong image)
	{
	JNF_COCOA_ENTER(env);
	[((CMenuItem )jlong_to_ptr(menuItemObj)) setJavaImage:(NSImage)jlong_to_ptr(image)];
	JNF_COCOA_EXIT(env);
	}

	/*
	* Class: sun_lwawt_macosx_CMenuItem
	* Method: nativeCreate
	* Signature: (JZ)J
	*/
	JNIEXPORT jlong JNICALL
	Java_sun_lwawt_macosx_CMenuItem_nativeCreate
	(JNIEnv *env, jobject peer, jlong parentCMenuObj, jboolean isSeparator)
	{

	__block CMenuItem *aCMenuItem = nil;
	BOOL asSeparator = (isSeparator == JNI_TRUE) ? YES: NO;
	CMenu parentCMenu = (CMenu )jlong_to_ptr(parentCMenuObj);
	JNF_COCOA_ENTER(env);

	jobject cPeerObjGlobal = (*env)->NewGlobalRef(env, peer);

	[ThreadUtilities performOnMainThreadWaiting:YES block:^(){
	aCMenuItem = [[CMenuItem alloc] initWithPeer: cPeerObjGlobal
	asSeparator: asSeparator];
	// the CMenuItem is released in CMenuComponent.dispose()
	}];

	if (aCMenuItem == nil) {
	return 0L;
	}

	// and add it to the parent item.
	[parentCMenu addJavaMenuItem: aCMenuItem];

	// setLabel will be called after creation completes.

	JNF_COCOA_EXIT(env);
	return ptr_to_jlong(aCMenuItem);
	}

	/*
	* Class: sun_lwawt_macosx_CMenuItem
	* Method: nativeSetEnabled
	* Signature: (JZ)V
	*/
	JNIEXPORT void JNICALL
	Java_sun_lwawt_macosx_CMenuItem_nativeSetEnabled
	(JNIEnv *env, jobject peer, jlong menuItemObj, jboolean enable)
	{
	JNF_COCOA_ENTER(env);
	CMenuItem item = (CMenuItem )jlong_to_ptr(menuItemObj);
	[item setJavaEnabled: (enable == JNI_TRUE)];
	JNF_COCOA_EXIT(env);
	}

	/*
	* Class: sun_lwawt_macosx_CCheckboxMenuItem
	* Method: nativeSetState
	* Signature: (IZ)V
	*/
	JNIEXPORT void JNICALL
	Java_sun_lwawt_macosx_CCheckboxMenuItem_nativeSetState
	(JNIEnv *env, jobject peer, jlong menuItemObj, jboolean state)
	{
	JNF_COCOA_ENTER(env);
	CMenuItem item = (CMenuItem )jlong_to_ptr(menuItemObj);
	[item setJavaState: (state == JNI_TRUE)];
	JNF_COCOA_EXIT(env);
	}

	/*
	* Class: sun_lwawt_macosx_CCheckboxMenuItem
	* Method: nativeSetState
	* Signature: (IZ)V
	*/
	JNIEXPORT void JNICALL
	Java_sun_lwawt_macosx_CCheckboxMenuItem_nativeSetIsCheckbox
	(JNIEnv *env, jobject peer, jlong menuItemObj)
	{
	JNF_COCOA_ENTER(env);
	CMenuItem item = (CMenuItem )jlong_to_ptr(menuItemObj);
	[item setIsCheckbox];
	JNF_COCOA_EXIT(env);
	}