1 files changed, 79 insertions, 5 deletions

diff --git a/src/gui/kernel/qt_cocoa_helpers_mac_p.h b/src/gui/kernel/qt_cocoa_helpers_mac_p.h
index d61c00f..334d9e8 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac_p.h
+++ b/src/gui/kernel/qt_cocoa_helpers_mac_p.h
@@ -103,6 +103,7 @@
 #include <qtimer.h>
 #include <qtooltip.h>
 #include <private/qeffects_p.h>
+#include <private/qwidget_p.h>
 #include <qtextdocument.h>
 #include <qdebug.h>
 #include <qpoint.h>
@@ -144,18 +145,14 @@ bool qt_mac_checkForNativeSizeGrip(const QWidget *widget);
 void qt_dispatchTabletProximityEvent(void * /*NSEvent * */ tabletEvent);
 #ifdef QT_MAC_USE_COCOA
 bool qt_dispatchKeyEventWithCocoa(void * /*NSEvent * */ keyEvent, QWidget *widgetToGetEvent);
-void qt_cocoaChangeOverrideCursor(const QCursor &cursor);
 // These methods exists only for supporting unified mode.
 void macDrawRectOnTop(void * /*OSWindowRef */ window);
 void macSyncDrawingOnFirstInvocation(void * /*OSWindowRef */window);
 void qt_cocoaStackChildWindowOnTopOfOtherChildren(QWidget *widget);
-#endif
 void qt_mac_menu_collapseSeparators(void * /*NSMenu */ menu, bool collapse);
+#endif
 bool qt_dispatchKeyEvent(void * /*NSEvent * */ keyEvent, QWidget *widgetToGetEvent);
 void qt_dispatchModifiersChanged(void * /*NSEvent * */flagsChangedEvent, QWidget *widgetToGetEvent);
-void qt_mac_dispatchNCMouseMessage(void */* NSWindow* */eventWindow, void */* NSEvent* */mouseEvent, 
-                                   QWidget *widgetToGetEvent, bool &leftButtonIsRightButton);
-bool qt_mac_handleMouseEvent(void * /*QCocoaView * */view, void * /*NSEvent * */event, QEvent::Type eventType, Qt::MouseButton button);
 bool qt_mac_handleTabletEvent(void * /*QCocoaView * */view, void * /*NSEvent * */event);
 inline QApplication *qAppInstance() { return static_cast<QApplication *>(QCoreApplication::instance()); }
 struct ::TabletProximityRec;
@@ -165,6 +162,29 @@ Qt::KeyboardModifiers qt_cocoaDragOperation2QtModifiers(uint dragOperations);
 QPixmap qt_mac_convert_iconref(const IconRef icon, int width, int height);
 void qt_mac_constructQIconFromIconRef(const IconRef icon, const IconRef overlayIcon, QIcon *retIcon,
                                       QStyle::StandardPixmap standardIcon = QStyle::SP_CustomBase);
+
+#if QT_MAC_USE_COCOA && __OBJC__
+struct DnDParams
+{
+    NSView *view;
+    NSEvent *theEvent;
+    QPoint globalPoint;
+    NSDragOperation performedAction;
+};
+
+DnDParams *macCurrentDnDParameters();
+NSDragOperation qt_mac_mapDropAction(Qt::DropAction action);
+NSDragOperation qt_mac_mapDropActions(Qt::DropActions actions);
+Qt::DropAction qt_mac_mapNSDragOperation(NSDragOperation nsActions);
+Qt::DropActions qt_mac_mapNSDragOperations(NSDragOperation nsActions);
+
+QWidget *qt_mac_getTargetForKeyEvent(QWidget *widgetThatReceivedEvent);
+QWidget *qt_mac_getTargetForMouseEvent(NSEvent *event, QEvent::Type eventType,
+    QPoint &returnLocalPoint, QPoint &returnGlobalPoint, QWidget *nativeWidget, QWidget **returnWidgetUnderMouse);
+bool qt_mac_handleMouseEvent(NSEvent *event, QEvent::Type eventType, Qt::MouseButton button, QWidget *nativeWidget);
+void qt_mac_handleNonClientAreaMouseEvent(NSWindow *window, NSEvent *event);
+#endif
+
 inline int flipYCoordinate(int y)
 {
     return QApplication::desktop()->screenGeometry(0).height() - y;    
@@ -221,10 +241,64 @@ public:
     }
 };
 void qt_cocoaPostMessage(id target, SEL selector, int argCount=0, id arg1=0, id arg2=0);
+void qt_cocoaPostMessageAfterEventLoopExit(id target, SEL selector, int argCount=0, id arg1=0, id arg2=0);
 #endif
 
 #endif
 
+class QMacScrollOptimization {
+    // This class is made to optimize for the case when the user
+    // scrolls both horizontally and vertically at the same
+    // time. This will result in two QWheelEvents (one for each
+    // direction), which will typically result in two calls to
+    // QWidget::_scroll_sys. Rather than copying pixels twize on
+    // screen because of this, we add this helper class to try to
+    // get away with only one blit.
+    static QWidgetPrivate *_target;
+    static bool _inWheelEvent;
+    static int _dx;
+    static int _dy;
+    static QRect _scrollRect;
+
+public:
+    static void initDelayedScroll()
+    {
+        _inWheelEvent = true;
+    }
+
+    static bool delayScroll(QWidgetPrivate *target, int dx, int dy, const QRect &scrollRect)
+    {
+        if (!_inWheelEvent)
+            return false;
+        if (_target && _target != target)
+            return false;
+        if (_scrollRect.width() != -1 && _scrollRect != scrollRect)
+            return false;
+
+        _target = target;
+        _dx += dx;
+        _dy += dy;
+        _scrollRect = scrollRect;
+        return true;
+    }
+
+    static void performDelayedScroll()
+    {
+        if (!_inWheelEvent)
+            return;
+        _inWheelEvent = false;
+        if (!_target)
+            return;
+
+        _target->scroll_sys(_dx, _dy, _scrollRect);
+
+        _target = 0;
+        _dx = 0;
+        _dy = 0;
+        _scrollRect = QRect(0, 0, -1, -1);
+    }
+};
+
 void qt_mac_post_retranslateAppMenu();
 
 void qt_mac_display(QWidget *widget);