Merge branch '4.6'

Conflicts:
	doc/src/modules.qdoc
	examples/assistant/simpletextviewer/findfiledialog.cpp
	examples/webkit/fancybrowser/mainwindow.cpp
	src/gui/widgets/qtabbar.cpp
	src/gui/widgets/qtabbar_p.h
	tests/auto/qpixmap/tst_qpixmap.cpp
	tools/assistant/compat/helpdialog.cpp
	tools/assistant/compat/tabbedbrowser.cpp
	translations/translations.pri

1 files changed, 31 insertions, 18 deletions

diff --git a/src/gui/itemviews/qabstractitemview.cpp b/src/gui/itemviews/qabstractitemview.cpp
index 23bef12..ad15655 100644
--- a/src/gui/itemviews/qabstractitemview.cpp
+++ b/src/gui/itemviews/qabstractitemview.cpp
@@ -96,6 +96,7 @@ QAbstractItemViewPrivate::QAbstractItemViewPrivate()
         autoScrollMargin(16),
         autoScrollCount(0),
         shouldScrollToCurrentOnShow(false),
+        shouldClearStatusTip(false),
         alternatingColors(false),
         textElideMode(Qt::ElideRight),
         verticalScrollMode(QAbstractItemView::ScrollPerItem),
@@ -138,10 +139,22 @@ void QAbstractItemViewPrivate::init()
 #endif
 }
 
+void QAbstractItemViewPrivate::setHoverIndex(const QPersistentModelIndex &index)
+{
+    Q_Q(QAbstractItemView);
+    if (hover == index)
+        return;
+
+    q->update(hover); //update the old one
+    hover = index;
+    q->update(hover); //update the new one
+}
+
 void QAbstractItemViewPrivate::checkMouseMove(const QPersistentModelIndex &index)
 {
     //we take a persistent model index because the model might change by emitting signals
     Q_Q(QAbstractItemView);
+    setHoverIndex(index);
     if (viewportEnteredNeeded || enteredIndex != index) {
         viewportEnteredNeeded = false;
 
@@ -149,14 +162,15 @@ void QAbstractItemViewPrivate::checkMouseMove(const QPersistentModelIndex &index
             emit q->entered(index);
 #ifndef QT_NO_STATUSTIP
             QString statustip = model->data(index, Qt::StatusTipRole).toString();
-            if (parent && !statustip.isEmpty()) {
+            if (parent && (shouldClearStatusTip || !statustip.isEmpty())) {
                 QStatusTipEvent tip(statustip);
                 QApplication::sendEvent(parent, &tip);
+                shouldClearStatusTip = !statustip.isEmpty();
             }
 #endif
         } else {
 #ifndef QT_NO_STATUSTIP
-            if (parent) {
+            if (parent && shouldClearStatusTip) {
                 QString emptyString;
                 QStatusTipEvent tip( emptyString );
                 QApplication::sendEvent(parent, &tip);
@@ -1536,26 +1550,25 @@ bool QAbstractItemView::viewportEvent(QEvent *event)
 {
     Q_D(QAbstractItemView);
     switch (event->type()) {
-    case QEvent::HoverEnter: {
-        QHoverEvent *he = static_cast<QHoverEvent*>(event);
-        d->hover = indexAt(he->pos());
-        update(d->hover);
-        break; }
-    case QEvent::HoverLeave: {
-        update(d->hover); // update old
-        d->hover = QModelIndex();
-        break; }
-    case QEvent::HoverMove: {
-        QHoverEvent *he = static_cast<QHoverEvent*>(event);
-        QModelIndex old = d->hover;
-        d->hover = indexAt(he->pos());
-        if (d->hover != old)
-            d->viewport->update(visualRect(old)|visualRect(d->hover));
-        break; }
+    case QEvent::HoverMove:
+    case QEvent::HoverEnter:
+        d->setHoverIndex(indexAt(static_cast<QHoverEvent*>(event)->pos()));
+        break;
+    case QEvent::HoverLeave:
+        d->setHoverIndex(QModelIndex());
+        break;
     case QEvent::Enter:
         d->viewportEnteredNeeded = true;
         break;
     case QEvent::Leave:
+    #ifndef QT_NO_STATUSTIP
+        if (d->shouldClearStatusTip && d->parent) {
+            QString empty;
+            QStatusTipEvent tip(empty);
+            QApplication::sendEvent(d->parent, &tip);
+            d->shouldClearStatusTip = false;
+        }
+    #endif
         d->enteredIndex = QModelIndex();
         break;
     case QEvent::ToolTip: