Optimisations to gesture event filtering.

Now we don't filter some events through the gesture manager and use QMap
instead of QHash, which seem to be a bit faster in our cases.

Reviewed-by: Olivier Goffart

1 files changed, 40 insertions, 6 deletions

diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 8c63968..bd13423 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -3629,12 +3629,46 @@ bool QApplication::notify(QObject *receiver, QEvent *e)
 
     // walk through parents and check for gestures
     if (qt_gestureManager) {
-        if (receiver->isWidgetType()) {
-            if (qt_gestureManager->filterEvent(static_cast<QWidget *>(receiver), e))
-                return true;
-        } else if (QGesture *gesture = qobject_cast<QGesture *>(receiver)) {
-            if (qt_gestureManager->filterEvent(gesture, e))
-                return true;
+        switch (e->type()) {
+        case QEvent::Paint:
+        case QEvent::MetaCall:
+        case QEvent::DeferredDelete:
+        case QEvent::DragEnter: case QEvent::DragMove: case QEvent::DragLeave:
+        case QEvent::Drop: case QEvent::DragResponse:
+        case QEvent::ChildAdded: case QEvent::ChildPolished:
+#ifdef QT3_SUPPORT
+        case QEvent::ChildInsertedRequest:
+        case QEvent::ChildInserted:
+        case QEvent::LayoutHint:
+#endif
+        case QEvent::ChildRemoved:
+        case QEvent::UpdateRequest:
+        case QEvent::UpdateLater:
+        case QEvent::AccessibilityPrepare:
+        case QEvent::LocaleChange:
+        case QEvent::Style:
+        case QEvent::IconDrag:
+        case QEvent::StyleChange:
+        case QEvent::AccessibilityHelp:
+        case QEvent::AccessibilityDescription:
+        case QEvent::GraphicsSceneDragEnter:
+        case QEvent::GraphicsSceneDragMove:
+        case QEvent::GraphicsSceneDragLeave:
+        case QEvent::GraphicsSceneDrop:
+        case QEvent::DynamicPropertyChange:
+        case QEvent::NetworkReplyUpdated:
+            break;
+        default:
+            if (receiver->isWidgetType()) {
+                if (qt_gestureManager->filterEvent(static_cast<QWidget *>(receiver), e))
+                    return true;
+            } else {
+                // a special case for events that go to QGesture objects.
+                // We pass the object to the gesture manager and it'll figure
+                // out if it's QGesture or not.
+                if (qt_gestureManager->filterEvent(receiver, e))
+                    return true;
+            }
         }
     }