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** Alternatively, this file may be used under the terms of the GNU
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#ifndef QNSVIEW_H
#define QNSVIEW_H

#include <AppKit/AppKit.h>

#include <QtCore/QPointer>
#include <QtCore/QSet>
#include <QtGui/QImage>
#include <QtGui/QAccessible>

#include "private/qcore_mac_p.h"

QT_BEGIN_NAMESPACE
class QCocoaWindow;
class QCocoaBackingStore;
class QCocoaGLContext;
QT_END_NAMESPACE

Q_FORWARD_DECLARE_OBJC_CLASS(QT_MANGLE_NAMESPACE(QNSViewMouseMoveHelper));

@interface QT_MANGLE_NAMESPACE(QNSView) : NSView <NSTextInputClient> {
    QCocoaBackingStore* m_backingStore;
    QPoint m_backingStoreOffset;
    QRegion m_maskRegion;
    CGImageRef m_maskImage;
    uchar *m_maskData;
    bool m_shouldInvalidateWindowShadow;
    QPointer<QCocoaWindow> m_platformWindow;
    NSTrackingArea *m_trackingArea;
    Qt::MouseButtons m_buttons;
    Qt::MouseButtons m_acceptedMouseDowns;
    Qt::MouseButtons m_frameStrutButtons;
    QString m_composingText;
    QPointer<QObject> m_composingFocusObject;
    bool m_sendKeyEvent;
    QStringList *currentCustomDragTypes;
    bool m_sendUpAsRightButton;
    Qt::KeyboardModifiers currentWheelModifiers;
#ifndef QT_NO_OPENGL
    QCocoaGLContext *m_glContext;
    bool m_shouldSetGLContextinDrawRect;
#endif
    NSString *m_inputSource;
    QT_MANGLE_NAMESPACE(QNSViewMouseMoveHelper) *m_mouseMoveHelper;
    bool m_resendKeyEvent;
    bool m_scrolling;
    bool m_updatingDrag;
    NSEvent *m_currentlyInterpretedKeyEvent;
    bool m_isMenuView;
    QSet<quint32> m_acceptedKeyDowns;
}

- (id)init;
- (id)initWithCocoaWindow:(QCocoaWindow *)platformWindow;
#ifndef QT_NO_OPENGL
- (void)setQCocoaGLContext:(QCocoaGLContext *)context;
#endif
- (void)flushBackingStore:(QCocoaBackingStore *)backingStore region:(const QRegion &)region offset:(QPoint)offset;
- (void)clearBackingStore:(QCocoaBackingStore *)backingStore;
- (void)setMaskRegion:(const QRegion *)region;
- (void)invalidateWindowShadowIfNeeded;
- (void)drawRect:(NSRect)dirtyRect;
- (void)drawBackingStoreUsingCoreGraphics:(NSRect)dirtyRect;
- (void)updateGeometry;
- (void)textInputContextKeyboardSelectionDidChangeNotification : (NSNotification *) textInputContextKeyboardSelectionDidChangeNotification;
- (void)viewDidHide;
- (void)viewDidUnhide;
- (void)removeFromSuperview;
- (void)cancelComposingText;

- (BOOL)isFlipped;
- (BOOL)acceptsFirstResponder;
- (BOOL)becomeFirstResponder;
- (BOOL)hasMask;
- (BOOL)isOpaque;

- (void)convertFromScreen:(NSPoint)mouseLocation toWindowPoint:(QPointF *)qtWindowPoint andScreenPoint:(QPointF *)qtScreenPoint;

- (void)resetMouseButtons;

- (void)handleMouseEvent:(NSEvent *)theEvent;
- (bool)handleMouseDownEvent:(NSEvent *)theEvent withButton:(int)buttonNumber;
- (bool)handleMouseDraggedEvent:(NSEvent *)theEvent withButton:(int)buttonNumber;
- (bool)handleMouseUpEvent:(NSEvent *)theEvent withButton:(int)buttonNumber;
- (void)mouseDown:(NSEvent *)theEvent;
- (void)mouseDragged:(NSEvent *)theEvent;
- (void)mouseUp:(NSEvent *)theEvent;
- (void)mouseMovedImpl:(NSEvent *)theEvent;
- (void)mouseEnteredImpl:(NSEvent *)theEvent;
- (void)mouseExitedImpl:(NSEvent *)theEvent;
- (void)rightMouseDown:(NSEvent *)theEvent;
- (void)rightMouseDragged:(NSEvent *)theEvent;
- (void)rightMouseUp:(NSEvent *)theEvent;
- (void)otherMouseDown:(NSEvent *)theEvent;
- (void)otherMouseDragged:(NSEvent *)theEvent;
- (void)otherMouseUp:(NSEvent *)theEvent;
- (void)handleFrameStrutMouseEvent:(NSEvent *)theEvent;

#ifndef QT_NO_TABLETEVENT
- (bool)handleTabletEvent: (NSEvent *)theEvent;
- (void)tabletPoint: (NSEvent *)theEvent;
- (void)tabletProximity: (NSEvent *)theEvent;
#endif

- (int) convertKeyCode : (QChar)keyCode;
+ (Qt::KeyboardModifiers) convertKeyModifiers : (ulong)modifierFlags;
- (bool)handleKeyEvent:(NSEvent *)theEvent eventType:(int)eventType;
- (void)keyDown:(NSEvent *)theEvent;
- (void)keyUp:(NSEvent *)theEvent;

- (void)registerDragTypes;
- (NSDragOperation)handleDrag:(id <NSDraggingInfo>)sender;

@end

@interface QT_MANGLE_NAMESPACE(QNSView) (QtExtras)
@property (nonatomic, readonly) QCocoaWindow *platformWindow;
@property (nonatomic, readonly) BOOL isMenuView;
@end

QT_NAMESPACE_ALIAS_OBJC_CLASS(QNSView);

#endif //QNSVIEW_H