/****************************************************************************

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** GNU Lesser General Public License Usage

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** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

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****************************************************************************/

#include "qmacdefines_mac.h"

#ifdef QT_MAC_USE_COCOA

#import <private/qcocoawindow_mac_p.h>

#import <private/qcocoawindowdelegate_mac_p.h>

#import <private/qcocoaview_mac_p.h>

#import <private/qt_cocoa_helpers_mac_p.h>

#import <private/qcocoawindowcustomthemeframe_mac_p.h>

#include <QtGui/QWidget>

QT_FORWARD_DECLARE_CLASS(QWidget);

QT_BEGIN_NAMESPACE

extern Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum); // qcocoaview.mm

QT_END_NAMESPACE

QT_USE_NAMESPACE

@interface NSWindow (QtCoverForHackWithCategory)

+ (Class)frameViewClassForStyleMask:(NSUInteger)styleMask;

@end

@implementation NSWindow (QT_MANGLE_NAMESPACE(QWidgetIntegration))

- (id)QT_MANGLE_NAMESPACE(qt_initWithQWidget):(QWidget*)widget contentRect:(NSRect)rect styleMask:(NSUInteger)mask;

{

    self = [self initWithContentRect:rect styleMask:mask backing:NSBackingStoreBuffered defer:YES];

    if (self) {

        [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] becomeDelegteForWindow:self widget:widget];

        [self setReleasedWhenClosed:NO];

    }

    return self;

}

- (QWidget *)QT_MANGLE_NAMESPACE(qt_qwidget)

{

    QWidget *widget = 0;

    if ([self delegate] == [QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate])

        widget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];

    return widget;

}

@end

@implementation QT_MANGLE_NAMESPACE(QCocoaWindow)

- (BOOL)canBecomeKeyWindow

{

    return YES;

}

/***********************************************************************

  BEGIN Copy and Paste between QCocoaWindow and QCocoaPanel

  This is a bit unfortunate, but thanks to the dynamic dispatch we

  have to duplicate this code or resort to really silly forwarding methods

**************************************************************************/

/*

    The methods keyDown, keyUp, and flagsChanged... These really shouldn't ever

    get hit. We automatically say we can be first responder if we are a window.

    So, the handling should get handled by the view. This is here more as a

    last resort (i.e., this is code that can potentially be removed).

 */

- (void)toggleToolbarShown:(id)sender

{

    macSendToolbarChangeEvent([self QT_MANGLE_NAMESPACE(qt_qwidget)]);

    [super toggleToolbarShown:sender];

}

- (void)keyDown:(NSEvent *)theEvent

{

    bool keyOK = qt_dispatchKeyEvent(theEvent, [self QT_MANGLE_NAMESPACE(qt_qwidget)]);

    if (!keyOK)

        [super keyDown:theEvent];

}

- (void)keyUp:(NSEvent *)theEvent

{

    bool keyOK = qt_dispatchKeyEvent(theEvent, [self QT_MANGLE_NAMESPACE(qt_qwidget)]);

    if (!keyOK)

        [super keyUp:theEvent];

}

- (void)flagsChanged:(NSEvent *)theEvent

{

    qt_dispatchModifiersChanged(theEvent, [self QT_MANGLE_NAMESPACE(qt_qwidget)]);

    [super flagsChanged:theEvent];

}

- (void)tabletProximity:(NSEvent *)tabletEvent

{

    qt_dispatchTabletProximityEvent(tabletEvent);

}

- (void)sendEvent:(NSEvent *)event

{

    QWidget *widget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];

    // Cocoa can hold onto the window after we've disavowed its knowledge. So,

    // if we get sent an event afterwards just have it go through the super's

    // version and don't do any stuff with Qt.

    if (!widget) {

        [super sendEvent:event];

        return;

    }

    [self retain];

    QT_MANGLE_NAMESPACE(QCocoaView) *view = static_cast<QT_MANGLE_NAMESPACE(QCocoaView) *>(qt_mac_nativeview_for(widget));

    Qt::MouseButton mouseButton = cocoaButton2QtButton([event buttonNumber]);

    // sometimes need to redirect mouse events to the popup.

    QWidget *popup = qAppInstance()->activePopupWidget();

    if (popup && popup != widget) {

        switch([event type])

        {

        case NSLeftMouseDown:

            qt_mac_handleMouseEvent(view, event, QEvent::MouseButtonPress, mouseButton);

            // Don't call super here. This prevents us from getting the mouseUp event,

            // which we need to send even if the mouseDown event was not accepted. 

            // (this is standard Qt behavior.)

            break;

        case NSRightMouseDown:

        case NSOtherMouseDown:

            if (!qt_mac_handleMouseEvent(view, event, QEvent::MouseButtonPress, mouseButton))

                [super sendEvent:event];

            break;

        case NSLeftMouseUp:

        case NSRightMouseUp:

        case NSOtherMouseUp:

            if (!qt_mac_handleMouseEvent(view, event, QEvent::MouseButtonRelease, mouseButton))

                [super sendEvent:event];

            break;

        case NSMouseMoved:

            qt_mac_handleMouseEvent(view, event, QEvent::MouseMove, Qt::NoButton);

            break;

        case NSLeftMouseDragged:

        case NSRightMouseDragged:

        case NSOtherMouseDragged:

            [QT_MANGLE_NAMESPACE(QCocoaView) currentMouseEvent]->view = view;

            [QT_MANGLE_NAMESPACE(QCocoaView) currentMouseEvent]->theEvent = event;

            if (!qt_mac_handleMouseEvent(view, event, QEvent::MouseMove, mouseButton))

                [super sendEvent:event];

            break;

        default:

            [super sendEvent:event];

            break;

        }

    } else {

        [super sendEvent:event];

    }

    qt_mac_dispatchNCMouseMessage(self, event, [self QT_MANGLE_NAMESPACE(qt_qwidget)], leftButtonIsRightButton);

    [self release];

}

- (BOOL)makeFirstResponder:(NSResponder *)responder

{

    // For some reason Cocoa wants to flip the first responder

    // when Qt doesn't want to, sorry, but "No" :-)

    if (responder == nil && qApp->focusWidget())

        return NO;

    return [super makeFirstResponder:responder];

}

/***********************************************************************

  END Copy and Paste between QCocoaWindow and QCocoaPanel

***********************************************************************/

+ (Class)frameViewClassForStyleMask:(NSUInteger)styleMask

{

    if (styleMask & QtMacCustomizeWindow)

        return [QT_MANGLE_NAMESPACE(QCocoaWindowCustomThemeFrame) class];

    return [super frameViewClassForStyleMask:styleMask];

}

@end

#endif