Set the toggle invisible, if a mouse button has been pressed outside the toggle boundaries. This e.g. assures, that the toggle gets invisible during dragging items.

BUG: 244304
FIXED-IN: 4.6.0

svn path=/trunk/KDE/kdebase/apps/; revision=1165577

2 files changed, 16 insertions, 0 deletions

diff --git a/src/views/selectionmanager.cpp b/src/views/selectionmanager.cpp
index 0d3efae09..ac5f1c939 100644
--- a/src/views/selectionmanager.cpp
+++ b/src/views/selectionmanager.cpp
@@ -49,12 +49,27 @@ SelectionManager::SelectionManager(QAbstractItemView* parent) :
     m_toggle->hide();
     connect(m_toggle, SIGNAL(clicked(bool)),
             this, SLOT(setItemSelected(bool)));
+
+    m_view->viewport()->installEventFilter(this);
 }
 
 SelectionManager::~SelectionManager()
 {
 }
 
+bool SelectionManager::eventFilter(QObject* watched, QEvent* event)
+{
+    Q_ASSERT(watched == m_view->viewport());
+    if (event->type() == QEvent::MouseButtonPress) {
+        // Set the toggle invisible, if a mouse button has been pressed
+        // outside the toggle boundaries. This e.g. assures, that the toggle
+        // gets invisible during dragging items.
+        const QRect toggleBounds(m_toggle->mapToGlobal(QPoint(0, 0)), m_toggle->size());
+        m_toggle->setVisible(toggleBounds.contains(QCursor::pos()));
+    }
+    return QObject::eventFilter(watched, event);
+}
+
 void SelectionManager::reset()
 {
     m_toggle->reset();
diff --git a/src/views/selectionmanager.h b/src/views/selectionmanager.h
index c2fcc88b4..85145a50b 100644
--- a/src/views/selectionmanager.h
+++ b/src/views/selectionmanager.h
@@ -42,6 +42,7 @@ class SelectionManager : public QObject
 public:
     SelectionManager(QAbstractItemView* parent);
     virtual ~SelectionManager();
+    virtual bool eventFilter(QObject* watched, QEvent* event);
 
 public slots:
     /**