hide tooltips when the mousewheel is used

BUG: 176817

svn path=/trunk/KDE/kdebase/apps/; revision=892339

diff --git a/src/tooltipmanager.cpp b/src/tooltipmanager.cpp
index e287d85b709114da66b9931c0c5f6a6b63ae719c..eb1e52ec11bdd3b2188250534758ec07181840ce 100644 (file)
--- a/src/tooltipmanager.cpp
+++ b/src/tooltipmanager.cpp
@@ -29,6 +29,7 @@
 
 #include <QApplication>
 #include <QDesktopWidget>
+#include <QScrollBar>
 #include <QTimer>
 #include <QToolTip>
 
@@ -81,6 +82,14 @@ ToolTipManager::ToolTipManager(QAbstractItemView* parent,
     connect(m_waitOnPreviewTimer, SIGNAL(timeout()),
             this, SLOT(prepareToolTip()));
 
+    // When the mousewheel is used, the items don't get a hovered indication
+    // (Qt-issue #200665). To assure that the tooltip still gets hidden,
+    // the scrollbars are observed.
+    connect(parent->horizontalScrollBar(), SIGNAL(valueChanged(int)),
+            this, SLOT(hideTip()));
+    connect(parent->verticalScrollBar(), SIGNAL(valueChanged(int)),
+            this, SLOT(hideTip()));
+
     m_view->viewport()->installEventFilter(this);
 }