if the mouse is above an item and moved very fast outside the widget, no viewportEntered() signal might be emitted although the mouse has been moved above the viewport

svn path=/trunk/KDE/kdebase/apps/; revision=797742

6 files changed, 34 insertions, 0 deletions

diff --git a/src/dolphincolumnwidget.cpp b/src/dolphincolumnwidget.cpp
index e7993b975..ee051ff1a 100644
--- a/src/dolphincolumnwidget.cpp
+++ b/src/dolphincolumnwidget.cpp
@@ -373,6 +373,15 @@ void DolphinColumnWidget::wheelEvent(QWheelEvent* event)
     QListView::wheelEvent(event);
 }
 
+void DolphinColumnWidget::leaveEvent(QEvent* event)
+{
+    QListView::leaveEvent(event);
+    // if the mouse is above an item and moved very fast outside the widget,
+    // no viewportEntered() signal might be emitted although the mouse has been moved
+    // above the viewport
+    m_view->m_controller->emitViewportEntered();
+}
+
 void DolphinColumnWidget::selectionChanged(const QItemSelection& selected, const QItemSelection& deselected)
 {
     QListView::selectionChanged(selected, deselected);
diff --git a/src/dolphincolumnwidget.h b/src/dolphincolumnwidget.h
index 11acb6d02..e51ff5d97 100644
--- a/src/dolphincolumnwidget.h
+++ b/src/dolphincolumnwidget.h
@@ -115,6 +115,7 @@ protected:
     virtual void keyPressEvent(QKeyEvent* event);
     virtual void contextMenuEvent(QContextMenuEvent* event);
     virtual void wheelEvent(QWheelEvent* event);
+    virtual void leaveEvent(QEvent* event);
     virtual void selectionChanged(const QItemSelection& selected, const QItemSelection& deselected);
 
 private slots:
diff --git a/src/dolphindetailsview.cpp b/src/dolphindetailsview.cpp
index 470cafa1d..aef034df1 100644
--- a/src/dolphindetailsview.cpp
+++ b/src/dolphindetailsview.cpp
@@ -134,6 +134,7 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
     updateDecorationSize();
 
     setFocus();
+    viewport()->installEventFilter(this);
 
     connect(KGlobalSettings::self(), SIGNAL(kdisplayFontChanged()),
             this, SLOT(updateFont()));
@@ -363,6 +364,18 @@ void DolphinDetailsView::currentChanged(const QModelIndex& current, const QModel
     }
 }
 
+bool DolphinDetailsView::eventFilter(QObject* watched, QEvent* event)
+{
+    if ((watched == viewport()) && (event->type() == QEvent::Leave)) {
+        // if the mouse is above an item and moved very fast outside the widget,
+        // no viewportEntered() signal might be emitted although the mouse has been moved
+        // above the viewport
+        m_controller->emitViewportEntered();
+    }
+
+    return QTreeView::eventFilter(watched, event);
+}
+
 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 {
     QHeaderView* headerView = header();
diff --git a/src/dolphindetailsview.h b/src/dolphindetailsview.h
index 88471746d..a92e113dd 100644
--- a/src/dolphindetailsview.h
+++ b/src/dolphindetailsview.h
@@ -60,6 +60,7 @@ protected:
     virtual void resizeEvent(QResizeEvent* event);
     virtual void wheelEvent(QWheelEvent* event);
     virtual void currentChanged(const QModelIndex& current, const QModelIndex& previous);
+    virtual bool eventFilter(QObject* watched, QEvent* event);
 
 private slots:
     /**
diff --git a/src/dolphiniconsview.cpp b/src/dolphiniconsview.cpp
index 959f152f0..7b9ddd6ac 100644
--- a/src/dolphiniconsview.cpp
+++ b/src/dolphiniconsview.cpp
@@ -276,6 +276,15 @@ void DolphinIconsView::showEvent(QShowEvent* event)
     KCategorizedView::showEvent(event);
 }
 
+void DolphinIconsView::leaveEvent(QEvent* event)
+{
+    KCategorizedView::leaveEvent(event);
+    // if the mouse is above an item and moved very fast outside the widget,
+    // no viewportEntered() signal might be emitted although the mouse has been moved
+    // above the viewport
+    m_controller->emitViewportEntered();
+}
+
 void DolphinIconsView::slotShowPreviewChanged()
 {
     const DolphinView* view = m_controller->dolphinView();
diff --git a/src/dolphiniconsview.h b/src/dolphiniconsview.h
index c912b99f7..56d492ce1 100644
--- a/src/dolphiniconsview.h
+++ b/src/dolphiniconsview.h
@@ -63,6 +63,7 @@ protected:
     virtual void keyPressEvent(QKeyEvent* event);
     virtual void wheelEvent(QWheelEvent* event);
     virtual void showEvent(QShowEvent* event);
+    virtual void leaveEvent(QEvent* event);
 
 private slots:
     void slotShowPreviewChanged();