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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** 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
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/****************************************************************************
+ NB: This is not a header file, dispite the file name suffix. This file is
+ included directly into the source code of qcocoawindow_mac.mm and
+ qcocoapanel_mac.mm to avoid manually doing copy and paste of the exact
+ same code needed at both places. This solution makes it more difficult
+ to e.g fix a bug in qcocoawindow_mac.mm, but forget to do the same in
+ qcocoapanel_mac.mm.
+ The reason we need to do copy and paste in the first place, rather than
+ resolve to method overriding, is that QCocoaPanel needs to inherit from
+ NSPanel, while QCocoaWindow needs to inherit NSWindow rather than NSPanel).
+****************************************************************************/
+
+// WARNING: Don't include any header files from within this file. Put them
+// directly into qcocoawindow_mac_p.h and qcocoapanel_mac_p.h
+
+QT_BEGIN_NAMESPACE
+extern Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum); // qcocoaview.mm
+extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp
+extern const QStringList& qEnabledDraggedTypes(); // qmime_mac.cpp
+extern void qt_event_request_window_change(QWidget *); // qapplication_mac.mm
+extern void qt_mac_send_posted_gl_updates(QWidget *widget); // qapplication_mac.mm
+
+Q_GLOBAL_STATIC(QPointer<QWidget>, currentDragTarget);
+QT_END_NAMESPACE
+
+- (id)initWithContentRect:(NSRect)contentRect
+ styleMask:(NSUInteger)windowStyle
+ backing:(NSBackingStoreType)bufferingType
+ defer:(BOOL)deferCreation
+{
+ self = [super initWithContentRect:contentRect styleMask:windowStyle
+ backing:bufferingType defer:deferCreation];
+ if (self) {
+ currentCustomDragTypes = 0;
+ }
+ return self;
+}
+
+- (void)dealloc
+{
+ delete currentCustomDragTypes;
+ [super dealloc];
+}
+
+- (BOOL)canBecomeKeyWindow
+{
+ QWidget *widget = [self QT_MANGLE_NAMESPACE(qt_qwidget)];
+ if (!widget)
+ return NO; // This should happen only for qt_root_win
+ if (QApplicationPrivate::isBlockedByModal(widget))
+ return NO;
+
+ bool isToolTip = (widget->windowType() == Qt::ToolTip);
+ bool isPopup = (widget->windowType() == Qt::Popup);
+ return !(isPopup || isToolTip);
+}
+
+- (BOOL)canBecomeMainWindow
+{
+ QWidget *widget = [self QT_MANGLE_NAMESPACE(qt_qwidget)];
+ if (!widget)
+ return NO; // This should happen only for qt_root_win
+ if ([self isSheet])
+ return NO;
+
+ bool isToolTip = (widget->windowType() == Qt::ToolTip);
+ bool isPopup = (widget->windowType() == Qt::Popup);
+ bool isTool = (widget->windowType() == Qt::Tool);
+ return !(isPopup || isToolTip || isTool);
+}
+
+- (void)becomeMainWindow
+{
+ [super becomeMainWindow];
+ // Cocoa sometimes tell a hidden window to become the
+ // main window (and as such, show it). This can e.g
+ // happend when the application gets activated. If
+ // this is the case, we tell it to hide again:
+ if (![self isVisible])
+ [self orderOut:self];
+}
+
+- (void)toggleToolbarShown:(id)sender
+{
+ macSendToolbarChangeEvent([self QT_MANGLE_NAMESPACE(qt_qwidget)]);
+ [super toggleToolbarShown:sender];
+}
+
+- (void)flagsChanged:(NSEvent *)theEvent
+{
+ qt_dispatchModifiersChanged(theEvent, [self QT_MANGLE_NAMESPACE(qt_qwidget)]);
+ [super flagsChanged:theEvent];
+}
+
+
+- (void)tabletProximity:(NSEvent *)tabletEvent
+{
+ qt_dispatchTabletProximityEvent(tabletEvent);
+}
+
+- (void)terminate:(id)sender
+{
+ // This function is called from the quit item in the menubar when this window
+ // is in the first responder chain (see also qtDispatcherToQAction above)
+ [NSApp terminate:sender];
+}
+
+- (void)setLevel:(NSInteger)windowLevel
+{
+ // Cocoa will upon activating/deactivating applications level modal
+ // windows up and down, regardsless of any explicit set window level.
+ // To ensure that modal stays-on-top dialogs actually stays on top after
+ // the application is activated (and therefore stacks in front of
+ // other stays-on-top windows), we need to add this little special-case override:
+ QWidget *widget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];
+ if (widget && widget->isModal() && (widget->windowFlags() & Qt::WindowStaysOnTopHint))
+ [super setLevel:NSPopUpMenuWindowLevel];
+ else
+ [super setLevel:windowLevel];
+}
+
+- (void)sendEvent:(NSEvent *)event
+{
+ [self retain];
+
+ bool handled = false;
+ switch([event type]) {
+ case NSMouseMoved:
+ // Cocoa sends move events to a parent and all its children under the mouse, much
+ // like Qt handles hover events. But we only want to handle the move event once, so
+ // to optimize a bit (since we subscribe for move event for all views), we handle it
+ // here before this logic happends. Note: it might be tempting to do this shortcut for
+ // all mouse events. The problem is that Cocoa does more than just find the correct view
+ // when sending the event, like raising windows etc. So avoid it as much as possible:
+ handled = qt_mac_handleMouseEvent(event, QEvent::MouseMove, Qt::NoButton, 0);
+ break;
+ default:
+ break;
+ }
+
+ if (!handled) {
+ [super sendEvent:event];
+ qt_mac_handleNonClientAreaMouseEvent(self, event);
+ }
+ [self release];
+}
+
+- (void)setInitialFirstResponder:(NSView *)view
+{
+ // This method is called the first time the window is placed on screen and
+ // is the earliest point in time we can connect OpenGL contexts to NSViews.
+ QWidget *qwidget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];
+ if (qwidget) {
+ qt_event_request_window_change(qwidget);
+ qt_mac_send_posted_gl_updates(qwidget);
+ }
+
+ [super setInitialFirstResponder:view];
+}
+
+- (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];
+}
+
++ (Class)frameViewClassForStyleMask:(NSUInteger)styleMask
+{
+ if (styleMask & QtMacCustomizeWindow)
+ return [QT_MANGLE_NAMESPACE(QCocoaWindowCustomThemeFrame) class];
+ return [super frameViewClassForStyleMask:styleMask];
+}
+
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+- (void)touchesBeganWithEvent:(NSEvent *)event;
+{
+ QPoint qlocal, qglobal;
+ QWidget *widgetToGetTouch = 0;
+ qt_mac_getTargetForMouseEvent(event, QEvent::Gesture, qlocal, qglobal, 0, &widgetToGetTouch);
+ if (!widgetToGetTouch)
+ return;
+
+ bool all = widgetToGetTouch->testAttribute(Qt::WA_TouchPadAcceptSingleTouchEvents);
+ qt_translateRawTouchEvent(widgetToGetTouch, QTouchEvent::TouchPad, QCocoaTouch::getCurrentTouchPointList(event, all));
+}
+
+- (void)touchesMovedWithEvent:(NSEvent *)event;
+{
+ QPoint qlocal, qglobal;
+ QWidget *widgetToGetTouch = 0;
+ qt_mac_getTargetForMouseEvent(event, QEvent::Gesture, qlocal, qglobal, 0, &widgetToGetTouch);
+ if (!widgetToGetTouch)
+ return;
+
+ bool all = widgetToGetTouch->testAttribute(Qt::WA_TouchPadAcceptSingleTouchEvents);
+ qt_translateRawTouchEvent(widgetToGetTouch, QTouchEvent::TouchPad, QCocoaTouch::getCurrentTouchPointList(event, all));
+}
+
+- (void)touchesEndedWithEvent:(NSEvent *)event;
+{
+ QPoint qlocal, qglobal;
+ QWidget *widgetToGetTouch = 0;
+ qt_mac_getTargetForMouseEvent(event, QEvent::Gesture, qlocal, qglobal, 0, &widgetToGetTouch);
+ if (!widgetToGetTouch)
+ return;
+
+ bool all = widgetToGetTouch->testAttribute(Qt::WA_TouchPadAcceptSingleTouchEvents);
+ qt_translateRawTouchEvent(widgetToGetTouch, QTouchEvent::TouchPad, QCocoaTouch::getCurrentTouchPointList(event, all));
+}
+
+- (void)touchesCancelledWithEvent:(NSEvent *)event;
+{
+ QPoint qlocal, qglobal;
+ QWidget *widgetToGetTouch = 0;
+ qt_mac_getTargetForMouseEvent(event, QEvent::Gesture, qlocal, qglobal, 0, &widgetToGetTouch);
+ if (!widgetToGetTouch)
+ return;
+
+ bool all = widgetToGetTouch->testAttribute(Qt::WA_TouchPadAcceptSingleTouchEvents);
+ qt_translateRawTouchEvent(widgetToGetTouch, QTouchEvent::TouchPad, QCocoaTouch::getCurrentTouchPointList(event, all));
+}
+#endif // MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+
+-(void)registerDragTypes
+{
+ // Calling registerForDraggedTypes below is slow, so only do
+ // it once for each window, or when the custom types change.
+ QMacCocoaAutoReleasePool pool;
+ const QStringList& customTypes = qEnabledDraggedTypes();
+ if (currentCustomDragTypes == 0 || *currentCustomDragTypes != customTypes) {
+ if (currentCustomDragTypes == 0)
+ currentCustomDragTypes = new QStringList();
+ *currentCustomDragTypes = customTypes;
+ const NSString* mimeTypeGeneric = @"com.trolltech.qt.MimeTypeName";
+ NSMutableArray *supportedTypes = [NSMutableArray arrayWithObjects:NSColorPboardType,
+ NSFilenamesPboardType, NSStringPboardType,
+ NSFilenamesPboardType, NSPostScriptPboardType, NSTIFFPboardType,
+ NSRTFPboardType, NSTabularTextPboardType, NSFontPboardType,
+ NSRulerPboardType, NSFileContentsPboardType, NSColorPboardType,
+ NSRTFDPboardType, NSHTMLPboardType, NSPICTPboardType,
+ NSURLPboardType, NSPDFPboardType, NSVCardPboardType,
+ NSFilesPromisePboardType, NSInkTextPboardType,
+ NSMultipleTextSelectionPboardType, mimeTypeGeneric, nil];
+ // Add custom types supported by the application.
+ for (int i = 0; i < customTypes.size(); i++) {
+ [supportedTypes addObject:qt_mac_QStringToNSString(customTypes[i])];
+ }
+ [self registerForDraggedTypes:supportedTypes];
+ }
+}
+
+- (void)removeDropData
+{
+ if (dropData) {
+ delete dropData;
+ dropData = 0;
+ }
+}
+
+- (void)addDropData:(id <NSDraggingInfo>)sender
+{
+ [self removeDropData];
+ CFStringRef dropPasteboard = (CFStringRef) [[sender draggingPasteboard] name];
+ dropData = new QCocoaDropData(dropPasteboard);
+}
+
+- (void)changeDraggingCursor:(NSDragOperation)newOperation
+{
+ static SEL action = nil;
+ static bool operationSupported = false;
+ if (action == nil) {
+ action = NSSelectorFromString(@"operationNotAllowedCursor");
+ if ([NSCursor respondsToSelector:action]) {
+ operationSupported = true;
+ }
+ }
+ if (operationSupported) {
+ NSCursor *notAllowedCursor = [NSCursor performSelector:action];
+ bool isNotAllowedCursor = ([NSCursor currentCursor] == notAllowedCursor);
+ if (newOperation == NSDragOperationNone && !isNotAllowedCursor) {
+ [notAllowedCursor push];
+ } else if (newOperation != NSDragOperationNone && isNotAllowedCursor) {
+ [notAllowedCursor pop];
+ }
+
+ }
+}
+
+- (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
+{
+ // The user dragged something into the window. Send a draggingEntered message
+ // to the QWidget under the mouse. As the drag moves over the window, and over
+ // different widgets, we will handle enter and leave events from within
+ // draggingUpdated below. The reason why we handle this ourselves rather than
+ // subscribing for drag events directly in QCocoaView is that calling
+ // registerForDraggedTypes on the views will severly degrade initialization time
+ // for an application that uses a lot of drag subscribing widgets.
+
+ NSPoint nswindowPoint = [sender draggingLocation];
+ NSPoint nsglobalPoint = [[sender draggingDestinationWindow] convertBaseToScreen:nswindowPoint];
+ QPoint globalPoint = flipPoint(nsglobalPoint).toPoint();
+
+ QWidget *qwidget = QApplication::widgetAt(globalPoint);
+ *currentDragTarget() = qwidget;
+ if (!qwidget)
+ return [super draggingEntered:sender];
+ if (qwidget->testAttribute(Qt::WA_DropSiteRegistered) == false)
+ return NSDragOperationNone;
+
+ [self addDropData:sender];
+
+ QMimeData *mimeData = dropData;
+ if (QDragManager::self()->source())
+ mimeData = QDragManager::self()->dragPrivate()->data;
+
+ NSDragOperation nsActions = [sender draggingSourceOperationMask];
+ Qt::DropActions qtAllowed = qt_mac_mapNSDragOperations(nsActions);
+ QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastOperation) = nsActions;
+ Qt::KeyboardModifiers modifiers = Qt::NoModifier;
+
+ if ([sender draggingSource] != nil) {
+ // modifier flags might have changed, update it here since we don't send any input events.
+ QApplicationPrivate::modifier_buttons = qt_cocoaModifiers2QtModifiers([[NSApp currentEvent] modifierFlags]);
+ modifiers = QApplication::keyboardModifiers();
+ } else {
+ // when the source is from another application the above technique will not work.
+ modifiers = qt_cocoaDragOperation2QtModifiers(nsActions);
+ }
+
+ // send the drag enter event to the widget.
+ QPoint localPoint(qwidget->mapFromGlobal(globalPoint));
+ QDragEnterEvent qDEEvent(localPoint, qtAllowed, mimeData, QApplication::mouseButtons(), modifiers);
+ QApplication::sendEvent(qwidget, &qDEEvent);
+
+ if (!qDEEvent.isAccepted()) {
+ // The enter event was not accepted. We mark this by removing
+ // the drop data so we don't send subsequent drag move events:
+ [self removeDropData];
+ [self changeDraggingCursor:NSDragOperationNone];
+ return NSDragOperationNone;
+ } else {
+ // Send a drag move event immediately after a drag enter event (as per documentation).
+ QDragMoveEvent qDMEvent(localPoint, qtAllowed, mimeData, QApplication::mouseButtons(), modifiers);
+ qDMEvent.setDropAction(qDEEvent.dropAction());
+ qDMEvent.accept(); // accept by default, since enter event was accepted.
+ QApplication::sendEvent(qwidget, &qDMEvent);
+
+ if (!qDMEvent.isAccepted() || qDMEvent.dropAction() == Qt::IgnoreAction) {
+ // Since we accepted the drag enter event, the widget expects
+ // future drage move events.
+ nsActions = NSDragOperationNone;
+ // Save as ignored in the answer rect.
+ qDMEvent.setDropAction(Qt::IgnoreAction);
+ } else {
+ nsActions = QT_PREPEND_NAMESPACE(qt_mac_mapDropAction)(qDMEvent.dropAction());
+ }
+
+ QT_PREPEND_NAMESPACE(qt_mac_copy_answer_rect)(qDMEvent);
+ [self changeDraggingCursor:nsActions];
+ return nsActions;
+ }
+ }
+
+- (NSDragOperation)draggingUpdated:(id <NSDraggingInfo>)sender
+{
+ NSPoint nswindowPoint = [sender draggingLocation];
+ NSPoint nsglobalPoint = [[sender draggingDestinationWindow] convertBaseToScreen:nswindowPoint];
+ QPoint globalPoint = flipPoint(nsglobalPoint).toPoint();
+
+ QWidget *qwidget = QApplication::widgetAt(globalPoint);
+ if (!qwidget)
+ return [super draggingEntered:sender];
+
+ // First, check if the widget under the mouse has changed since the
+ // last drag move events. If so, we need to change target, and dispatch
+ // syntetic drag enter/leave events:
+ if (qwidget != *currentDragTarget()) {
+ if (*currentDragTarget() && dropData) {
+ QDragLeaveEvent de;
+ QApplication::sendEvent(*currentDragTarget(), &de);
+ [self removeDropData];
+ }
+ return [self draggingEntered:sender];
+ }
+
+ if (qwidget->testAttribute(Qt::WA_DropSiteRegistered) == false)
+ return NSDragOperationNone;
+
+ // If we have no drop data (which will be assigned inside draggingEntered), it means
+ // that the current drag target did not accept the enter event. If so, we ignore
+ // subsequent move events as well:
+ if (dropData == 0) {
+ [self changeDraggingCursor:NSDragOperationNone];
+ return NSDragOperationNone;
+ }
+
+ // If the mouse is still within the accepted rect (provided by
+ // the application on a previous event), we follow the optimization
+ // and just return the answer given at that point:
+ NSDragOperation nsActions = [sender draggingSourceOperationMask];
+ QPoint localPoint(qwidget->mapFromGlobal(globalPoint));
+ if (qt_mac_mouse_inside_answer_rect(localPoint)
+ && QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastOperation) == nsActions) {
+ NSDragOperation operation = QT_PREPEND_NAMESPACE(qt_mac_mapDropActions)(QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastAction));
+ [self changeDraggingCursor:operation];
+ return operation;
+ }
+
+ QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec.lastOperation) = nsActions;
+ Qt::DropActions qtAllowed = QT_PREPEND_NAMESPACE(qt_mac_mapNSDragOperations)(nsActions);
+ Qt::KeyboardModifiers modifiers = Qt::NoModifier;
+
+ // Update modifiers:
+ if ([sender draggingSource] != nil) {
+ QApplicationPrivate::modifier_buttons = qt_cocoaModifiers2QtModifiers([[NSApp currentEvent] modifierFlags]);
+ modifiers = QApplication::keyboardModifiers();
+ } else {
+ modifiers = qt_cocoaDragOperation2QtModifiers(nsActions);
+ }
+
+ QMimeData *mimeData = dropData;
+ if (QDragManager::self()->source())
+ mimeData = QDragManager::self()->dragPrivate()->data;
+
+ // Insert the same drop action on the event according to
+ // what the application told us it should be on the previous event:
+ QDragMoveEvent qDMEvent(localPoint, qtAllowed, mimeData, QApplication::mouseButtons(), modifiers);
+ if (QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec).lastAction != Qt::IgnoreAction
+ && QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec).buttons == qDMEvent.mouseButtons()
+ && QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec).modifiers == qDMEvent.keyboardModifiers())
+ qDMEvent.setDropAction(QT_PREPEND_NAMESPACE(qt_mac_dnd_answer_rec).lastAction);
+
+ // Now, end the drag move event to the widget:
+ qDMEvent.accept();
+ QApplication::sendEvent(qwidget, &qDMEvent);
+
+ NSDragOperation operation = qt_mac_mapDropAction(qDMEvent.dropAction());
+ if (!qDMEvent.isAccepted() || qDMEvent.dropAction() == Qt::IgnoreAction) {
+ // Ignore this event (we will still receive further
+ // notifications), save as ignored in the answer rect:
+ operation = NSDragOperationNone;
+ qDMEvent.setDropAction(Qt::IgnoreAction);
+ }
+
+ qt_mac_copy_answer_rect(qDMEvent);
+ [self changeDraggingCursor:operation];
+
+ return operation;
+}
+
+- (void)draggingExited:(id <NSDraggingInfo>)sender
+{
+ NSPoint nswindowPoint = [sender draggingLocation];
+ NSPoint nsglobalPoint = [[sender draggingDestinationWindow] convertBaseToScreen:nswindowPoint];
+ QPoint globalPoint = flipPoint(nsglobalPoint).toPoint();
+
+ QWidget *qwidget = *currentDragTarget();
+ if (!qwidget)
+ return [super draggingExited:sender];
+
+ if (dropData) {
+ QDragLeaveEvent de;
+ QApplication::sendEvent(qwidget, &de);
+ [self removeDropData];
+ }
+
+ // Clean-up:
+ [self removeDropData];
+ *currentDragTarget() = 0;
+ [self changeDraggingCursor:NSDragOperationEvery];
+}
+
+- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
+{
+ QWidget *qwidget = *currentDragTarget();
+ if (!qwidget)
+ return NO;
+
+ *currentDragTarget() = 0;
+ NSPoint nswindowPoint = [sender draggingLocation];
+ NSPoint nsglobalPoint = [[sender draggingDestinationWindow] convertBaseToScreen:nswindowPoint];
+ QPoint globalPoint = flipPoint(nsglobalPoint).toPoint();
+
+ [self addDropData:sender];
+
+ NSDragOperation nsActions = [sender draggingSourceOperationMask];
+ Qt::DropActions qtAllowed = qt_mac_mapNSDragOperations(nsActions);
+ QMimeData *mimeData = dropData;
+
+ if (QDragManager::self()->source())
+ mimeData = QDragManager::self()->dragPrivate()->data;
+ if (QDragManager::self()->object)
+ QDragManager::self()->dragPrivate()->target = qwidget;
+
+ QPoint localPoint(qwidget->mapFromGlobal(globalPoint));
+ QDropEvent de(localPoint, qtAllowed, mimeData,
+ QApplication::mouseButtons(), QApplication::keyboardModifiers());
+ QApplication::sendEvent(qwidget, &de);
+
+ if (QDragManager::self()->object)
+ QDragManager::self()->dragPrivate()->executed_action = de.dropAction();
+
+ return de.isAccepted();
+}
+
+// This is a hack and it should be removed once we find the real cause for
+// the painting problems.
+// We have a static variable that signals if we have been called before or not.
+static bool firstDrawingInvocation = true;
+
+// The method below exists only as a workaround to draw/not draw the baseline
+// in the title bar. This is to support unifiedToolbar look.
+
+// This method is very special. To begin with, it is a
+// method that will get called only if we enable documentMode.
+// Furthermore, it won't get called as a normal method, we swap
+// this method with the normal implementation of drawRect in
+// _NSThemeFrame. When this method is active, its mission is to
+// first call the original drawRect implementation so the widget
+// gets proper painting. After that, it needs to detect if there
+// is a toolbar or not, in order to decide how to handle the unified
+// look. The distinction is important since the presence and
+// visibility of a toolbar change the way we enter into unified mode.
+// When there is a toolbar and that toolbar is visible, the problem
+// is as simple as to tell the toolbar not to draw its baseline.
+// However when there is not toolbar or the toolbar is not visible,
+// we need to draw a line on top of the baseline, because the baseline
+// in that case will belong to the title. For this case we need to draw
+// a line on top of the baseline.
+// As usual, there is a special case. When we first are called, we might
+// need to repaint ourselves one more time. We only need that if we
+// didn't get the activation, i.e. when we are launched via the command
+// line. And this only if the toolbar is visible from the beginning,
+// so we have a special flag that signals if we need to repaint or not.
+- (void)drawRectSpecial:(NSRect)rect
+{
+ // Call the original drawing method.
+ [id(self) drawRectOriginal:rect];
+ NSWindow *window = [id(self) window];
+ NSToolbar *toolbar = [window toolbar];
+ if(!toolbar) {
+ // There is no toolbar, we have to draw a line on top of the line drawn by Cocoa.
+ macDrawRectOnTop((void *)window);
+ } else {
+ if([toolbar isVisible]) {
+ // We tell Cocoa to avoid drawing the line at the end.
+ if(firstDrawingInvocation) {
+ firstDrawingInvocation = false;
+ macSyncDrawingOnFirstInvocation((void *)window);
+ } else
+ [toolbar setShowsBaselineSeparator:NO];
+ } else {
+ // There is a toolbar but it is not visible so
+ // we have to draw a line on top of the line drawn by Cocoa.
+ macDrawRectOnTop((void *)window);
+ }
+ }
+}
+
+- (void)drawRectOriginal:(NSRect)rect
+{
+ Q_UNUSED(rect)
+ // This method implementation is here to silenct the compiler.
+ // See drawRectSpecial for information.
+}
+