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Java example source code file (AWTWindow.m)

This example Java source code file (AWTWindow.m) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

awt_assert_appkit_thread, awtwindow, bool, jnf_cocoa_enter, jnf_cocoa_exit, jnicall, jnienv, jniexport, nswindow, null, objc, threadutilities

The AWTWindow.m Java example source code

/*
 * Copyright (c) 2011, 2013, 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 <Cocoa/Cocoa.h>
#import <JavaNativeFoundation/JavaNativeFoundation.h>
#import <JavaRuntimeSupport/JavaRuntimeSupport.h>

#import "sun_lwawt_macosx_CPlatformWindow.h"
#import "com_apple_eawt_event_GestureHandler.h"
#import "com_apple_eawt_FullScreenHandler.h"
#import "ApplicationDelegate.h"

#import "AWTWindow.h"
#import "AWTView.h"
#import "CMenu.h"
#import "CMenuBar.h"
#import "LWCToolkit.h"
#import "GeomUtilities.h"
#import "ThreadUtilities.h"
#import "OSVersion.h"

#define MASK(KEY) \
    (sun_lwawt_macosx_CPlatformWindow_ ## KEY)

#define IS(BITS, KEY) \
    ((BITS & MASK(KEY)) != 0)

#define SET(BITS, KEY, VALUE) \
    BITS = VALUE ? BITS | MASK(KEY) : BITS & ~MASK(KEY)

static JNF_CLASS_CACHE(jc_CPlatformWindow, "sun/lwawt/macosx/CPlatformWindow");

// Cocoa windowDidBecomeKey/windowDidResignKey notifications
// doesn't provide information about "opposite" window, so we
// have to do a bit of tracking. This variable points to a window
// which had been the key window just before a new key window
// was set. It would be nil if the new key window isn't an AWT
// window or the app currently has no key window.
static AWTWindow* lastKeyWindow = nil;

// --------------------------------------------------------------
// NSWindow/NSPanel descendants implementation
#define AWT_NS_WINDOW_IMPLEMENTATION                            \
- (id) initWithDelegate:(AWTWindow *)delegate                   \
              frameRect:(NSRect)contectRect                     \
              styleMask:(NSUInteger)styleMask                   \
            contentView:(NSView *)view                          \
{                                                               \
    self = [super initWithContentRect:contectRect               \
                            styleMask:styleMask                 \
                              backing:NSBackingStoreBuffered    \
                                defer:NO];                      \
                                                                \
    if (self == nil) return nil;                                \
                                                                \
    [self setDelegate:delegate];                                \
    [self setContentView:view];                                 \
    [self setInitialFirstResponder:view];                       \
    [self setReleasedWhenClosed:NO];                            \
    [self setPreservesContentDuringLiveResize:YES];             \
                                                                \
    return self;                                                \
}                                                               \
                                                                \
/* NSWindow overrides */                                        \
- (BOOL) canBecomeKeyWindow {                                   \
    return [(AWTWindow*)[self delegate] canBecomeKeyWindow];    \
}                                                               \
                                                                \
- (BOOL) canBecomeMainWindow {                                  \
    return [(AWTWindow*)[self delegate] canBecomeMainWindow];   \
}                                                               \
                                                                \
- (BOOL) worksWhenModal {                                       \
    return [(AWTWindow*)[self delegate] worksWhenModal];        \
}                                                               \
                                                                \
- (void)sendEvent:(NSEvent *)event {                            \
    [(AWTWindow*)[self delegate] sendEvent:event];              \
    [super sendEvent:event];                                    \
}

@implementation AWTWindow_Normal
AWT_NS_WINDOW_IMPLEMENTATION
@end
@implementation AWTWindow_Panel
AWT_NS_WINDOW_IMPLEMENTATION
@end
// END of NSWindow/NSPanel descendants implementation
// --------------------------------------------------------------


@implementation AWTWindow

@synthesize nsWindow;
@synthesize javaPlatformWindow;
@synthesize javaMenuBar;
@synthesize javaMinSize;
@synthesize javaMaxSize;
@synthesize styleBits;
@synthesize isEnabled;
@synthesize ownerWindow;
@synthesize preFullScreenLevel;

- (void) updateMinMaxSize:(BOOL)resizable {
    if (resizable) {
        [self.nsWindow setMinSize:self.javaMinSize];
        [self.nsWindow setMaxSize:self.javaMaxSize];
    } else {
        NSRect currentFrame = [self.nsWindow frame];
        [self.nsWindow setMinSize:currentFrame.size];
        [self.nsWindow setMaxSize:currentFrame.size];
    }
}

// creates a new NSWindow style mask based on the _STYLE_PROP_BITMASK bits
+ (NSUInteger) styleMaskForStyleBits:(jint)styleBits {
    NSUInteger type = 0;
    if (IS(styleBits, DECORATED)) {
        type |= NSTitledWindowMask;
        if (IS(styleBits, CLOSEABLE))   type |= NSClosableWindowMask;
        if (IS(styleBits, MINIMIZABLE)) type |= NSMiniaturizableWindowMask;
        if (IS(styleBits, RESIZABLE))   type |= NSResizableWindowMask;
    } else {
        type |= NSBorderlessWindowMask;
    }

    if (IS(styleBits, TEXTURED))      type |= NSTexturedBackgroundWindowMask;
    if (IS(styleBits, UNIFIED))       type |= NSUnifiedTitleAndToolbarWindowMask;
    if (IS(styleBits, UTILITY))       type |= NSUtilityWindowMask;
    if (IS(styleBits, HUD))           type |= NSHUDWindowMask;
    if (IS(styleBits, SHEET))         type |= NSDocModalWindowMask;
    if (IS(styleBits, NONACTIVATING)) type |= NSNonactivatingPanelMask;

    return type;
}

// updates _METHOD_PROP_BITMASK based properties on the window
- (void) setPropertiesForStyleBits:(jint)bits mask:(jint)mask {
    if (IS(mask, RESIZABLE)) {
        BOOL resizable = IS(bits, RESIZABLE);
        [self updateMinMaxSize:resizable];
        [self.nsWindow setShowsResizeIndicator:resizable];
        // Zoom button should be disabled, if the window is not resizable,
        // otherwise button should be restored to initial state.
        BOOL zoom = resizable && IS(bits, ZOOMABLE);
        [[self.nsWindow standardWindowButton:NSWindowZoomButton] setEnabled:zoom];
    }

    if (IS(mask, HAS_SHADOW)) {
        [self.nsWindow setHasShadow:IS(bits, HAS_SHADOW)];
    }

    if (IS(mask, ZOOMABLE)) {
        [[self.nsWindow standardWindowButton:NSWindowZoomButton] setEnabled:IS(bits, ZOOMABLE)];
    }

    if (IS(mask, ALWAYS_ON_TOP)) {
        [self.nsWindow setLevel:IS(bits, ALWAYS_ON_TOP) ? NSFloatingWindowLevel : NSNormalWindowLevel];
    }

    if (IS(mask, HIDES_ON_DEACTIVATE)) {
        [self.nsWindow setHidesOnDeactivate:IS(bits, HIDES_ON_DEACTIVATE)];
    }

    if (IS(mask, DRAGGABLE_BACKGROUND)) {
        [self.nsWindow setMovableByWindowBackground:IS(bits, DRAGGABLE_BACKGROUND)];
    }

    if (IS(mask, DOCUMENT_MODIFIED)) {
        [self.nsWindow setDocumentEdited:IS(bits, DOCUMENT_MODIFIED)];
    }

    if (IS(mask, FULLSCREENABLE) && [self.nsWindow respondsToSelector:@selector(toggleFullScreen:)]) {
        if (IS(bits, FULLSCREENABLE)) {
            [self.nsWindow setCollectionBehavior:(1 << 7) /*NSWindowCollectionBehaviorFullScreenPrimary*/];
        } else {
            [self.nsWindow setCollectionBehavior:NSWindowCollectionBehaviorDefault];
        }
    }

}

- (id) initWithPlatformWindow:(JNFWeakJObjectWrapper *)platformWindow
                  ownerWindow:owner
                    styleBits:(jint)bits
                    frameRect:(NSRect)rect
                  contentView:(NSView *)view
{
AWT_ASSERT_APPKIT_THREAD;

    NSUInteger styleMask = [AWTWindow styleMaskForStyleBits:bits];
    NSRect contentRect = rect; //[NSWindow contentRectForFrameRect:rect styleMask:styleMask];
    if (contentRect.size.width <= 0.0) {
        contentRect.size.width = 1.0;
    }
    if (contentRect.size.height <= 0.0) {
        contentRect.size.height = 1.0;
    }

    self = [super init];

    if (self == nil) return nil; // no hope

    if (IS(bits, UTILITY) ||
        IS(bits, NONACTIVATING) ||
        IS(bits, HUD) ||
        IS(bits, HIDES_ON_DEACTIVATE))
    {
        self.nsWindow = [[AWTWindow_Panel alloc] initWithDelegate:self
                            frameRect:contentRect
                            styleMask:styleMask
                          contentView:view];
    }
    else
    {
        // These windows will appear in the window list in the dock icon menu
        self.nsWindow = [[AWTWindow_Normal alloc] initWithDelegate:self
                            frameRect:contentRect
                            styleMask:styleMask
                          contentView:view];
    }

    if (self.nsWindow == nil) return nil; // no hope either
    [self.nsWindow release]; // the property retains the object already

    self.isEnabled = YES;
    self.javaPlatformWindow = platformWindow;
    self.styleBits = bits;
    self.ownerWindow = owner;
    [self setPropertiesForStyleBits:styleBits mask:MASK(_METHOD_PROP_BITMASK)];

    return self;
}

+ (BOOL) isAWTWindow:(NSWindow *)window {
    return [window isKindOfClass: [AWTWindow_Panel class]] || [window isKindOfClass: [AWTWindow_Normal class]];
}

// returns id for the topmost window under mouse
+ (NSInteger) getTopmostWindowUnderMouseID {

    NSRect screenRect = [[NSScreen mainScreen] frame];
    NSPoint nsMouseLocation = [NSEvent mouseLocation];
    CGPoint cgMouseLocation = CGPointMake(nsMouseLocation.x, screenRect.size.height - nsMouseLocation.y);

    NSMutableArray *windows = (NSMutableArray *)CGWindowListCopyWindowInfo(kCGWindowListOptionOnScreenOnly | kCGWindowListExcludeDesktopElements, kCGNullWindowID);

    for (NSDictionary *window in windows) {
        NSInteger layer = [[window objectForKey:(id)kCGWindowLayer] integerValue];
        if (layer == 0) {
            CGRect rect;
            CGRectMakeWithDictionaryRepresentation((CFDictionaryRef)[window objectForKey:(id)kCGWindowBounds], &rect);
            if (CGRectContainsPoint(rect, cgMouseLocation)) {
                return [[window objectForKey:(id)kCGWindowNumber] integerValue];
            }
        }
    }
    return -1;
}

// checks that this window is under the mouse cursor and this point is not overlapped by others windows
- (BOOL) isTopmostWindowUnderMouse {
    return [self.nsWindow windowNumber] == [AWTWindow getTopmostWindowUnderMouseID];
}

+ (AWTWindow *) getTopmostWindowUnderMouse {
    NSEnumerator *windowEnumerator = [[NSApp windows] objectEnumerator];
    NSWindow *window;

    NSInteger topmostWindowUnderMouseID = [AWTWindow getTopmostWindowUnderMouseID];

    while ((window = [windowEnumerator nextObject]) != nil) {
        if ([window windowNumber] == topmostWindowUnderMouseID) {
            BOOL isAWTWindow = [AWTWindow isAWTWindow: window];
            return isAWTWindow ? (AWTWindow *) [window delegate] : nil;
        }
    }
    return nil;
}

+ (void) synthesizeMouseEnteredExitedEvents:(NSWindow*)window withType:(NSEventType)eventType {

    NSPoint screenLocation = [NSEvent mouseLocation];
    NSPoint windowLocation = [window convertScreenToBase: screenLocation];
    int modifierFlags = (eventType == NSMouseEntered) ? NSMouseEnteredMask : NSMouseExitedMask;

    NSEvent *mouseEvent = [NSEvent enterExitEventWithType: eventType
                                                 location: windowLocation
                                            modifierFlags: modifierFlags
                                                timestamp: 0
                                             windowNumber: [window windowNumber]
                                                  context: nil
                                              eventNumber: 0
                                           trackingNumber: 0
                                                 userData: nil
                           ];

    [[window contentView] deliverJavaMouseEvent: mouseEvent];
}

+ (void) synthesizeMouseEnteredExitedEventsForAllWindows {

    NSInteger topmostWindowUnderMouseID = [AWTWindow getTopmostWindowUnderMouseID];
    NSArray *windows = [NSApp windows];
    NSWindow *window;

    NSEnumerator *windowEnumerator = [windows objectEnumerator];
    while ((window = [windowEnumerator nextObject]) != nil) {
        if ([AWTWindow isAWTWindow: window]) {
            BOOL isUnderMouse = ([window windowNumber] == topmostWindowUnderMouseID);
            BOOL mouseIsOver = [[window contentView] mouseIsOver];
            if (isUnderMouse && !mouseIsOver) {
                [AWTWindow synthesizeMouseEnteredExitedEvents:window withType:NSMouseEntered];
            } else if (!isUnderMouse && mouseIsOver) {
                [AWTWindow synthesizeMouseEnteredExitedEvents:window withType:NSMouseExited];
            }
        }
    }
}

+ (NSNumber *) getNSWindowDisplayID_AppKitThread:(NSWindow *)window {
    AWT_ASSERT_APPKIT_THREAD;
    NSScreen *screen = [window screen];
    NSDictionary *deviceDescription = [screen deviceDescription];
    return [deviceDescription objectForKey:@"NSScreenNumber"];
}

- (void) dealloc {
AWT_ASSERT_APPKIT_THREAD;

    JNIEnv *env = [ThreadUtilities getJNIEnvUncached];
    [self.javaPlatformWindow setJObject:nil withEnv:env];

    self.nsWindow = nil;
    self.ownerWindow = nil;
    [super dealloc];
}

// NSWindow overrides
- (BOOL) canBecomeKeyWindow {
AWT_ASSERT_APPKIT_THREAD;
    return self.isEnabled && IS(self.styleBits, SHOULD_BECOME_KEY);
}

- (BOOL) canBecomeMainWindow {
AWT_ASSERT_APPKIT_THREAD;
    if (!self.isEnabled) {
        // Native system can bring up the NSWindow to
        // the top even if the window is not main.
        // We should bring up the modal dialog manually
        [AWTToolkit eventCountPlusPlus];

        JNIEnv *env = [ThreadUtilities getJNIEnv];
        jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
        if (platformWindow != NULL) {
            static JNF_MEMBER_CACHE(jm_checkBlockingAndOrder, jc_CPlatformWindow,
                                    "checkBlockingAndOrder", "()Z");
            JNFCallBooleanMethod(env, platformWindow, jm_checkBlockingAndOrder);
            (*env)->DeleteLocalRef(env, platformWindow);
        }
    }

    return self.isEnabled && IS(self.styleBits, SHOULD_BECOME_MAIN);
}

- (BOOL) worksWhenModal {
AWT_ASSERT_APPKIT_THREAD;
    return IS(self.styleBits, MODAL_EXCLUDED);
}


// Gesture support
- (void)postGesture:(NSEvent *)event as:(jint)type a:(jdouble)a b:(jdouble)b {
AWT_ASSERT_APPKIT_THREAD;

    JNIEnv *env = [ThreadUtilities getJNIEnv];
    jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
    if (platformWindow != NULL) {
        // extract the target AWT Window object out of the CPlatformWindow
        static JNF_MEMBER_CACHE(jf_target, jc_CPlatformWindow, "target", "Ljava/awt/Window;");
        jobject awtWindow = JNFGetObjectField(env, platformWindow, jf_target);
        if (awtWindow != NULL) {
            // translate the point into Java coordinates
            NSPoint loc = [event locationInWindow];
            loc.y = [self.nsWindow frame].size.height - loc.y;

            // send up to the GestureHandler to recursively dispatch on the AWT event thread
            static JNF_CLASS_CACHE(jc_GestureHandler, "com/apple/eawt/event/GestureHandler");
            static JNF_STATIC_MEMBER_CACHE(sjm_handleGestureFromNative, jc_GestureHandler, "handleGestureFromNative", "(Ljava/awt/Window;IDDDD)V");
            JNFCallStaticVoidMethod(env, sjm_handleGestureFromNative, awtWindow, type, (jdouble)loc.x, (jdouble)loc.y, (jdouble)a, (jdouble)b);
            (*env)->DeleteLocalRef(env, awtWindow);
        }
        (*env)->DeleteLocalRef(env, platformWindow);
    }
}

- (void)beginGestureWithEvent:(NSEvent *)event {
    [self postGesture:event
                   as:com_apple_eawt_event_GestureHandler_PHASE
                    a:-1.0
                    b:0.0];
}

- (void)endGestureWithEvent:(NSEvent *)event {
    [self postGesture:event
                   as:com_apple_eawt_event_GestureHandler_PHASE
                    a:1.0
                    b:0.0];
}

- (void)magnifyWithEvent:(NSEvent *)event {
    [self postGesture:event
                   as:com_apple_eawt_event_GestureHandler_MAGNIFY
                    a:[event magnification]
                    b:0.0];
}

- (void)rotateWithEvent:(NSEvent *)event {
    [self postGesture:event
                   as:com_apple_eawt_event_GestureHandler_ROTATE
                    a:[event rotation]
                    b:0.0];
}

- (void)swipeWithEvent:(NSEvent *)event {
    [self postGesture:event
                   as:com_apple_eawt_event_GestureHandler_SWIPE
                    a:[event deltaX]
                    b:[event deltaY]];
}


// NSWindowDelegate methods

- (void) _deliverMoveResizeEvent {
AWT_ASSERT_APPKIT_THREAD;

    // deliver the event if this is a user-initiated live resize or as a side-effect
    // of a Java initiated resize, because AppKit can override the bounds and force
    // the bounds of the window to avoid the Dock or remain on screen.
    [AWTToolkit eventCountPlusPlus];
    JNIEnv *env = [ThreadUtilities getJNIEnv];
    jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
    if (platformWindow == NULL) {
        // TODO: create generic AWT assert
    }

    NSRect frame = ConvertNSScreenRect(env, [self.nsWindow frame]);

    static JNF_MEMBER_CACHE(jm_deliverMoveResizeEvent, jc_CPlatformWindow, "deliverMoveResizeEvent", "(IIIIZ)V");
    JNFCallVoidMethod(env, platformWindow, jm_deliverMoveResizeEvent,
                      (jint)frame.origin.x,
                      (jint)frame.origin.y,
                      (jint)frame.size.width,
                      (jint)frame.size.height,
                      (jboolean)[self.nsWindow inLiveResize]);
    (*env)->DeleteLocalRef(env, platformWindow);

    [AWTWindow synthesizeMouseEnteredExitedEventsForAllWindows];
}

- (void)windowDidMove:(NSNotification *)notification {
AWT_ASSERT_APPKIT_THREAD;

    [self _deliverMoveResizeEvent];
}

- (void)windowDidResize:(NSNotification *)notification {
AWT_ASSERT_APPKIT_THREAD;

    [self _deliverMoveResizeEvent];
}

- (void)windowDidExpose:(NSNotification *)notification {
AWT_ASSERT_APPKIT_THREAD;

    [AWTToolkit eventCountPlusPlus];
    // TODO: don't see this callback invoked anytime so we track
    // window exposing in _setVisible:(BOOL)
}

- (void) _deliverIconify:(BOOL)iconify {
AWT_ASSERT_APPKIT_THREAD;

    [AWTToolkit eventCountPlusPlus];
    JNIEnv *env = [ThreadUtilities getJNIEnv];
    jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
    if (platformWindow != NULL) {
        static JNF_MEMBER_CACHE(jm_deliverIconify, jc_CPlatformWindow, "deliverIconify", "(Z)V");
        JNFCallVoidMethod(env, platformWindow, jm_deliverIconify, iconify);
        (*env)->DeleteLocalRef(env, platformWindow);
    }
}

- (void)windowDidMiniaturize:(NSNotification *)notification {
AWT_ASSERT_APPKIT_THREAD;

    [self _deliverIconify:JNI_TRUE];
}

- (void)windowDidDeminiaturize:(NSNotification *)notification {
AWT_ASSERT_APPKIT_THREAD;

    [self _deliverIconify:JNI_FALSE];
}

- (void) _deliverWindowFocusEvent:(BOOL)focused oppositeWindow:(AWTWindow *)opposite {
//AWT_ASSERT_APPKIT_THREAD;
    JNIEnv *env = [ThreadUtilities getJNIEnvUncached];
    jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
    if (platformWindow != NULL) {
        jobject oppositeWindow = [opposite.javaPlatformWindow jObjectWithEnv:env];

        static JNF_MEMBER_CACHE(jm_deliverWindowFocusEvent, jc_CPlatformWindow, "deliverWindowFocusEvent", "(ZLsun/lwawt/macosx/CPlatformWindow;)V");
        JNFCallVoidMethod(env, platformWindow, jm_deliverWindowFocusEvent, (jboolean)focused, oppositeWindow);
        (*env)->DeleteLocalRef(env, platformWindow);
        (*env)->DeleteLocalRef(env, oppositeWindow);
    }
}


- (void) windowDidBecomeKey: (NSNotification *) notification {
AWT_ASSERT_APPKIT_THREAD;
    [AWTToolkit eventCountPlusPlus];
    AWTWindow *opposite = [AWTWindow lastKeyWindow];

    // Finds appropriate menubar in our hierarchy,
    AWTWindow *awtWindow = self;
    while (awtWindow.ownerWindow != nil) {
        awtWindow = awtWindow.ownerWindow;
    }

    CMenuBar *menuBar = nil;
    BOOL isDisabled = NO;
    if ([awtWindow.nsWindow isVisible]){
        menuBar = awtWindow.javaMenuBar;
        isDisabled = !awtWindow.isEnabled;
    }

    if (menuBar == nil) {
        menuBar = [[ApplicationDelegate sharedDelegate] defaultMenuBar];
        isDisabled = NO;
    }

    [CMenuBar activate:menuBar modallyDisabled:isDisabled];

    [AWTWindow setLastKeyWindow:nil];

    [self _deliverWindowFocusEvent:YES oppositeWindow: opposite];
}

- (void) windowDidResignKey: (NSNotification *) notification {
    // TODO: check why sometimes at start is invoked *not* on AppKit main thread.
AWT_ASSERT_APPKIT_THREAD;
    [AWTToolkit eventCountPlusPlus];
    [self.javaMenuBar deactivate];

    // In theory, this might cause flickering if the window gaining focus
    // has its own menu. However, I couldn't reproduce it on practice, so
    // perhaps this is a non issue.
    CMenuBar* defaultMenu = [[ApplicationDelegate sharedDelegate] defaultMenuBar];
    if (defaultMenu != nil) {
        [CMenuBar activate:defaultMenu modallyDisabled:NO];
    }

    // the new key window
    NSWindow *keyWindow = [NSApp keyWindow];
    AWTWindow *opposite = nil;
    if ([AWTWindow isAWTWindow: keyWindow]) {
        opposite = (AWTWindow *)[keyWindow delegate];
        [AWTWindow setLastKeyWindow: self];
    } else {
        [AWTWindow setLastKeyWindow: nil];
    }

    [self _deliverWindowFocusEvent:NO oppositeWindow: opposite];
}

- (void) windowDidBecomeMain: (NSNotification *) notification {
AWT_ASSERT_APPKIT_THREAD;
    [AWTToolkit eventCountPlusPlus];

    JNIEnv *env = [ThreadUtilities getJNIEnv];
    jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
    if (platformWindow != NULL) {
        static JNF_MEMBER_CACHE(jm_windowDidBecomeMain, jc_CPlatformWindow, "windowDidBecomeMain", "()V");
        JNFCallVoidMethod(env, platformWindow, jm_windowDidBecomeMain);
        (*env)->DeleteLocalRef(env, platformWindow);
    }
}

- (BOOL)windowShouldClose:(id)sender {
AWT_ASSERT_APPKIT_THREAD;
    [AWTToolkit eventCountPlusPlus];
    JNIEnv *env = [ThreadUtilities getJNIEnv];
    jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
    if (platformWindow != NULL) {
        static JNF_MEMBER_CACHE(jm_deliverWindowClosingEvent, jc_CPlatformWindow, "deliverWindowClosingEvent", "()V");
        JNFCallVoidMethod(env, platformWindow, jm_deliverWindowClosingEvent);
        (*env)->DeleteLocalRef(env, platformWindow);
    }
    // The window will be closed (if allowed) as result of sending Java event
    return NO;
}


- (void)_notifyFullScreenOp:(jint)op withEnv:(JNIEnv *)env {
    static JNF_CLASS_CACHE(jc_FullScreenHandler, "com/apple/eawt/FullScreenHandler");
    static JNF_STATIC_MEMBER_CACHE(jm_notifyFullScreenOperation, jc_FullScreenHandler, "handleFullScreenEventFromNative", "(Ljava/awt/Window;I)V");
    static JNF_MEMBER_CACHE(jf_target, jc_CPlatformWindow, "target", "Ljava/awt/Window;");
    jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
    if (platformWindow != NULL) {
        jobject awtWindow = JNFGetObjectField(env, platformWindow, jf_target);
        if (awtWindow != NULL) {
            JNFCallStaticVoidMethod(env, jm_notifyFullScreenOperation, awtWindow, op);
            (*env)->DeleteLocalRef(env, awtWindow);
        }
        (*env)->DeleteLocalRef(env, platformWindow);
    }
}


- (void)windowWillEnterFullScreen:(NSNotification *)notification {
    static JNF_MEMBER_CACHE(jm_windowWillEnterFullScreen, jc_CPlatformWindow, "windowWillEnterFullScreen", "()V");
    JNIEnv *env = [ThreadUtilities getJNIEnv];
    jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
    if (platformWindow != NULL) {
        JNFCallVoidMethod(env, platformWindow, jm_windowWillEnterFullScreen);
        [self _notifyFullScreenOp:com_apple_eawt_FullScreenHandler_FULLSCREEN_WILL_ENTER withEnv:env];
        (*env)->DeleteLocalRef(env, platformWindow);
    }
}

- (void)windowDidEnterFullScreen:(NSNotification *)notification {
    static JNF_MEMBER_CACHE(jm_windowDidEnterFullScreen, jc_CPlatformWindow, "windowDidEnterFullScreen", "()V");
    JNIEnv *env = [ThreadUtilities getJNIEnv];
    jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
    if (platformWindow != NULL) {
        JNFCallVoidMethod(env, platformWindow, jm_windowDidEnterFullScreen);
        [self _notifyFullScreenOp:com_apple_eawt_FullScreenHandler_FULLSCREEN_DID_ENTER withEnv:env];
        (*env)->DeleteLocalRef(env, platformWindow);
    }
    [AWTWindow synthesizeMouseEnteredExitedEventsForAllWindows];
}

- (void)windowWillExitFullScreen:(NSNotification *)notification {
    static JNF_MEMBER_CACHE(jm_windowWillExitFullScreen, jc_CPlatformWindow, "windowWillExitFullScreen", "()V");
    JNIEnv *env = [ThreadUtilities getJNIEnv];
    jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
    if (platformWindow != NULL) {
        JNFCallVoidMethod(env, platformWindow, jm_windowWillExitFullScreen);
        [self _notifyFullScreenOp:com_apple_eawt_FullScreenHandler_FULLSCREEN_WILL_EXIT withEnv:env];
        (*env)->DeleteLocalRef(env, platformWindow);
    }
}

- (void)windowDidExitFullScreen:(NSNotification *)notification {
    static JNF_MEMBER_CACHE(jm_windowDidExitFullScreen, jc_CPlatformWindow, "windowDidExitFullScreen", "()V");
    JNIEnv *env = [ThreadUtilities getJNIEnv];
    jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
    if (platformWindow != NULL) {
        JNFCallVoidMethod(env, platformWindow, jm_windowDidExitFullScreen);
        [self _notifyFullScreenOp:com_apple_eawt_FullScreenHandler_FULLSCREEN_DID_EXIT withEnv:env];
        (*env)->DeleteLocalRef(env, platformWindow);
    }
    [AWTWindow synthesizeMouseEnteredExitedEventsForAllWindows];
}

- (void)sendEvent:(NSEvent *)event {
        if ([event type] == NSLeftMouseDown || [event type] == NSRightMouseDown || [event type] == NSOtherMouseDown) {

            NSPoint p = [NSEvent mouseLocation];
            NSRect frame = [self.nsWindow frame];
            NSRect contentRect = [self.nsWindow contentRectForFrameRect:frame];

            // Check if the click happened in the non-client area (title bar)
            if (p.y >= (frame.origin.y + contentRect.size.height)) {
                JNIEnv *env = [ThreadUtilities getJNIEnvUncached];
                jobject platformWindow = [self.javaPlatformWindow jObjectWithEnv:env];
                // Currently, no need to deliver the whole NSEvent.
                static JNF_MEMBER_CACHE(jm_deliverNCMouseDown, jc_CPlatformWindow, "deliverNCMouseDown", "()V");
                JNFCallVoidMethod(env, platformWindow, jm_deliverNCMouseDown);
            }
        }
}

- (void)constrainSize:(NSSize*)size {
    float minWidth = 0.f, minHeight = 0.f;

    if (IS(self.styleBits, DECORATED)) {
        NSRect frame = [self.nsWindow frame];
        NSRect contentRect = [NSWindow contentRectForFrameRect:frame styleMask:[self.nsWindow styleMask]];

        float top = frame.size.height - contentRect.size.height;
        float left = contentRect.origin.x - frame.origin.x;
        float bottom = contentRect.origin.y - frame.origin.y;
        float right = frame.size.width - (contentRect.size.width + left);

        // Speculative estimation: 80 - enough for window decorations controls
        minWidth += left + right + 80;
        minHeight += top + bottom;
    }

    minWidth = MAX(1.f, minWidth);
    minHeight = MAX(1.f, minHeight);

    size->width = MAX(size->width, minWidth);
    size->height = MAX(size->height, minHeight);
}

- (void) setEnabled: (BOOL)flag {
    self.isEnabled = flag;

    if (IS(self.styleBits, CLOSEABLE)) {
        [[self.nsWindow standardWindowButton:NSWindowCloseButton] setEnabled: flag];
    }

    if (IS(self.styleBits, MINIMIZABLE)) {
        [[self.nsWindow standardWindowButton:NSWindowMiniaturizeButton] setEnabled: flag];
    }

    if (IS(self.styleBits, ZOOMABLE)) {
        [[self.nsWindow standardWindowButton:NSWindowZoomButton] setEnabled: flag];
    }

    if (IS(self.styleBits, RESIZABLE)) {
        [self updateMinMaxSize:flag];
        [self.nsWindow setShowsResizeIndicator:flag];
    }
}

+ (void) setLastKeyWindow:(AWTWindow *)window {
    [window retain];
    [lastKeyWindow release];
    lastKeyWindow = window;
}

+ (AWTWindow *) lastKeyWindow {
    return lastKeyWindow;
}


@end // AWTWindow


/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeCreateNSWindow
 * Signature: (JJIIII)J
 */
JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeCreateNSWindow
(JNIEnv *env, jobject obj, jlong contentViewPtr, jlong ownerPtr, jlong styleBits, jdouble x, jdouble y, jdouble w, jdouble h)
{
    __block AWTWindow *window = nil;

JNF_COCOA_ENTER(env);

    JNFWeakJObjectWrapper *platformWindow = [JNFWeakJObjectWrapper wrapperWithJObject:obj withEnv:env];
    NSView *contentView = OBJC(contentViewPtr);
    NSRect frameRect = NSMakeRect(x, y, w, h);
    AWTWindow *owner = [OBJC(ownerPtr) delegate];
    [ThreadUtilities performOnMainThreadWaiting:YES block:^(){

        window = [[AWTWindow alloc] initWithPlatformWindow:platformWindow
                                               ownerWindow:owner
                                                 styleBits:styleBits
                                                 frameRect:frameRect
                                               contentView:contentView];
        // the window is released is CPlatformWindow.nativeDispose()

        if (window) CFRetain(window.nsWindow);
    }];

JNF_COCOA_EXIT(env);

    return ptr_to_jlong(window ? window.nsWindow : nil);
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeSetNSWindowStyleBits
 * Signature: (JII)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeSetNSWindowStyleBits
(JNIEnv *env, jclass clazz, jlong windowPtr, jint mask, jint bits)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){

        AWTWindow *window = (AWTWindow*)[nsWindow delegate];

        // scans the bit field, and only updates the values requested by the mask
        // (this implicity handles the _CALLBACK_PROP_BITMASK case, since those are passive reads)
        jint newBits = window.styleBits & ~mask | bits & mask;

        // resets the NSWindow's style mask if the mask intersects any of those bits
        if (mask & MASK(_STYLE_PROP_BITMASK)) {
            [nsWindow setStyleMask:[AWTWindow styleMaskForStyleBits:newBits]];
        }

        // calls methods on NSWindow to change other properties, based on the mask
        if (mask & MASK(_METHOD_PROP_BITMASK)) {
            [window setPropertiesForStyleBits:newBits mask:mask];
        }

        window.styleBits = newBits;
    }];

JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeSetNSWindowMenuBar
 * Signature: (JJ)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeSetNSWindowMenuBar
(JNIEnv *env, jclass clazz, jlong windowPtr, jlong menuBarPtr)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    CMenuBar *menuBar = OBJC(menuBarPtr);
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){

        AWTWindow *window = (AWTWindow*)[nsWindow delegate];

        if ([nsWindow isKeyWindow]) {
            [window.javaMenuBar deactivate];
        }

        window.javaMenuBar = menuBar;

        CMenuBar* actualMenuBar = menuBar;
        if (actualMenuBar == nil) {
            actualMenuBar = [[ApplicationDelegate sharedDelegate] defaultMenuBar];
        }

        if ([nsWindow isKeyWindow]) {
            [CMenuBar activate:actualMenuBar modallyDisabled:NO];
        }
    }];

JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeGetNSWindowInsets
 * Signature: (J)Ljava/awt/Insets;
 */
JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeGetNSWindowInsets
(JNIEnv *env, jclass clazz, jlong windowPtr)
{
    jobject ret = NULL;

JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    __block NSRect contentRect = NSZeroRect;
    __block NSRect frame = NSZeroRect;

    [ThreadUtilities performOnMainThreadWaiting:YES block:^(){

        frame = [nsWindow frame];
        contentRect = [NSWindow contentRectForFrameRect:frame styleMask:[nsWindow styleMask]];
    }];

    jint top = (jint)(frame.size.height - contentRect.size.height);
    jint left = (jint)(contentRect.origin.x - frame.origin.x);
    jint bottom = (jint)(contentRect.origin.y - frame.origin.y);
    jint right = (jint)(frame.size.width - (contentRect.size.width + left));

    static JNF_CLASS_CACHE(jc_Insets, "java/awt/Insets");
    static JNF_CTOR_CACHE(jc_Insets_ctor, jc_Insets, "(IIII)V");
    ret = JNFNewObject(env, jc_Insets_ctor, top, left, bottom, right);

JNF_COCOA_EXIT(env);
    return ret;
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeSetNSWindowBounds
 * Signature: (JDDDD)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeSetNSWindowBounds
(JNIEnv *env, jclass clazz, jlong windowPtr, jdouble originX, jdouble originY, jdouble width, jdouble height)
{
JNF_COCOA_ENTER(env);

    NSRect jrect = NSMakeRect(originX, originY, width, height);

    // TODO: not sure we need displayIfNeeded message in our view
    NSWindow *nsWindow = OBJC(windowPtr);
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){

        AWTWindow *window = (AWTWindow*)[nsWindow delegate];

        NSRect rect = ConvertNSScreenRect(NULL, jrect);
        [window constrainSize:&rect.size];

        [nsWindow setFrame:rect display:YES];

        // only start tracking events if pointer is above the toplevel
        // TODO: should post an Entered event if YES.
        NSPoint mLocation = [NSEvent mouseLocation];
        [nsWindow setAcceptsMouseMovedEvents:NSPointInRect(mLocation, rect)];

        // ensure we repaint the whole window after the resize operation
        // (this will also re-enable screen updates, which were disabled above)
        // TODO: send PaintEvent
    }];

JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeSetNSWindowMinMax
 * Signature: (JDDDD)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeSetNSWindowMinMax
(JNIEnv *env, jclass clazz, jlong windowPtr, jdouble minW, jdouble minH, jdouble maxW, jdouble maxH)
{
JNF_COCOA_ENTER(env);

    if (minW < 1) minW = 1;
    if (minH < 1) minH = 1;
    if (maxW < 1) maxW = 1;
    if (maxH < 1) maxH = 1;

    NSWindow *nsWindow = OBJC(windowPtr);
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){

        AWTWindow *window = (AWTWindow*)[nsWindow delegate];

        NSSize min = { minW, minH };
        NSSize max = { maxW, maxH };

        [window constrainSize:&min];
        [window constrainSize:&max];

        window.javaMinSize = min;
        window.javaMaxSize = max;
        [window updateMinMaxSize:IS(window.styleBits, RESIZABLE)];
    }];

JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativePushNSWindowToBack
 * Signature: (J)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativePushNSWindowToBack
(JNIEnv *env, jclass clazz, jlong windowPtr)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
        [nsWindow orderBack:nil];
    }];

JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativePushNSWindowToFront
 * Signature: (J)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativePushNSWindowToFront
(JNIEnv *env, jclass clazz, jlong windowPtr)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){

        if (![nsWindow isKeyWindow]) {
            [nsWindow makeKeyAndOrderFront:nsWindow];
        } else {
            [nsWindow orderFront:nsWindow];
        }
    }];

JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeSetNSWindowTitle
 * Signature: (JLjava/lang/String;)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeSetNSWindowTitle
(JNIEnv *env, jclass clazz, jlong windowPtr, jstring jtitle)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    [nsWindow performSelectorOnMainThread:@selector(setTitle:)
                              withObject:JNFJavaToNSString(env, jtitle)
                           waitUntilDone:NO];

JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeRevalidateNSWindowShadow
 * Signature: (J)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeRevalidateNSWindowShadow
(JNIEnv *env, jclass clazz, jlong windowPtr)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
        [nsWindow invalidateShadow];
    }];

JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeScreenOn_AppKitThread
 * Signature: (J)I
 */
JNIEXPORT jint JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeScreenOn_1AppKitThread
(JNIEnv *env, jclass clazz, jlong windowPtr)
{
    jint ret = 0;

JNF_COCOA_ENTER(env);
AWT_ASSERT_APPKIT_THREAD;

    NSWindow *nsWindow = OBJC(windowPtr);
    NSDictionary *props = [[nsWindow screen] deviceDescription];
    ret = [[props objectForKey:@"NSScreenNumber"] intValue];

JNF_COCOA_EXIT(env);

    return ret;
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeSetNSWindowMinimizedIcon
 * Signature: (JJ)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeSetNSWindowMinimizedIcon
(JNIEnv *env, jclass clazz, jlong windowPtr, jlong nsImagePtr)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    NSImage *image = OBJC(nsImagePtr);
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
        [nsWindow setMiniwindowImage:image];
    }];

JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeSetNSWindowRepresentedFilename
 * Signature: (JLjava/lang/String;)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeSetNSWindowRepresentedFilename
(JNIEnv *env, jclass clazz, jlong windowPtr, jstring filename)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    NSURL *url = (filename == NULL) ? nil : [NSURL fileURLWithPath:JNFNormalizedNSStringForPath(env, filename)];
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
        [nsWindow setRepresentedURL:url];
    }];

JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeGetTopmostPlatformWindowUnderMouse
 * Signature: (J)V
 */
JNIEXPORT jobject
JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeGetTopmostPlatformWindowUnderMouse
(JNIEnv *env, jclass clazz)
{
    jobject topmostWindowUnderMouse = nil;

    JNF_COCOA_ENTER(env);
    AWT_ASSERT_APPKIT_THREAD;

    AWTWindow *awtWindow = [AWTWindow getTopmostWindowUnderMouse];
    if (awtWindow != nil) {
        topmostWindowUnderMouse = [awtWindow.javaPlatformWindow jObject];
    }

    JNF_COCOA_EXIT(env);

    return topmostWindowUnderMouse;
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    nativeSynthesizeMouseEnteredExitedEvents
 * Signature: (J)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeSynthesizeMouseEnteredExitedEvents
(JNIEnv *env, jclass clazz)
{
    JNF_COCOA_ENTER(env);

    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
        [AWTWindow synthesizeMouseEnteredExitedEventsForAllWindows];
    }];

    JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPlatformWindow
 * Method:    _toggleFullScreenMode
 * Signature: (J)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow__1toggleFullScreenMode
(JNIEnv *env, jobject peer, jlong windowPtr)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    SEL toggleFullScreenSelector = @selector(toggleFullScreen:);
    if (![nsWindow respondsToSelector:toggleFullScreenSelector]) return;

    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
        [nsWindow performSelector:toggleFullScreenSelector withObject:nil];
    }];

JNF_COCOA_EXIT(env);
}

JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeSetEnabled
(JNIEnv *env, jclass clazz, jlong windowPtr, jboolean isEnabled)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
        AWTWindow *window = (AWTWindow*)[nsWindow delegate];

        [window setEnabled: isEnabled];
    }];

JNF_COCOA_EXIT(env);
}

JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeDispose
(JNIEnv *env, jclass clazz, jlong windowPtr)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
        AWTWindow *window = (AWTWindow*)[nsWindow delegate];

        if ([AWTWindow lastKeyWindow] == window) {
            [AWTWindow setLastKeyWindow: nil];
        }

        // AWTWindow holds a reference to the NSWindow in its nsWindow
        // property. Unsetting the delegate allows it to be deallocated
        // which releases the reference. This, in turn, allows the window
        // itself be deallocated.
        [nsWindow setDelegate: nil];

        [window release];
    }];

JNF_COCOA_EXIT(env);
}

JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeEnterFullScreenMode
(JNIEnv *env, jclass clazz, jlong windowPtr)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
        AWTWindow *window = (AWTWindow*)[nsWindow delegate];
        NSNumber* screenID = [AWTWindow getNSWindowDisplayID_AppKitThread: nsWindow];
        CGDirectDisplayID aID = [screenID intValue];

        if (CGDisplayCapture(aID) == kCGErrorSuccess) {
            // remove window decoration
            NSUInteger styleMask = [AWTWindow styleMaskForStyleBits:window.styleBits];
            [nsWindow setStyleMask:(styleMask & ~NSTitledWindowMask) | NSBorderlessWindowMask];

            int shieldLevel = CGShieldingWindowLevel();
            window.preFullScreenLevel = [nsWindow level];
            [nsWindow setLevel: shieldLevel];

            NSRect screenRect = [[nsWindow screen] frame];
            [nsWindow setFrame:screenRect display:YES];
        } else {
            [JNFException raise:[ThreadUtilities getJNIEnv]
                             as:kRuntimeException
                         reason:"Failed to enter full screen."];
        }
    }];

JNF_COCOA_EXIT(env);
}

JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeExitFullScreenMode
(JNIEnv *env, jclass clazz, jlong windowPtr)
{
JNF_COCOA_ENTER(env);

    NSWindow *nsWindow = OBJC(windowPtr);
    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
        AWTWindow *window = (AWTWindow*)[nsWindow delegate];
        NSNumber* screenID = [AWTWindow getNSWindowDisplayID_AppKitThread: nsWindow];
        CGDirectDisplayID aID = [screenID intValue];

        if (CGDisplayRelease(aID) == kCGErrorSuccess) {
            NSUInteger styleMask = [AWTWindow styleMaskForStyleBits:window.styleBits];
            [nsWindow setStyleMask:styleMask]; 
            [nsWindow setLevel: window.preFullScreenLevel];

            // GraphicsDevice takes care of restoring pre full screen bounds
        } else {
            [JNFException raise:[ThreadUtilities getJNIEnv]
                             as:kRuntimeException
                         reason:"Failed to exit full screen."];
        }
    }];

JNF_COCOA_EXIT(env);
}

Other Java examples (source code examples)

Here is a short list of links related to this Java AWTWindow.m source code file:

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