Don't scroll if a mouse button is pressed

[quassel.git] / src / qtui / chatview.cpp

diff --git a/src/qtui/chatview.cpp b/src/qtui/chatview.cpp
index ed71dd0..fd31645 100644 (file)
--- a/src/qtui/chatview.cpp
+++ b/src/qtui/chatview.cpp
@@ -18,6 +18,7 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
+#include <QApplication>
 #include <QGraphicsTextItem>
 #include <QScrollBar>
 
@@ -55,7 +56,7 @@ void ChatView::init(MessageFilter *filter) {
   // setOptimizationFlags(QGraphicsView::DontAdjustForAntialiasing);
   setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
   // setTransformationAnchor(QGraphicsView::NoAnchor);
-  setTransformationAnchor(QGraphicsView::AnchorViewCenter); 
+  setTransformationAnchor(QGraphicsView::AnchorViewCenter);
 
   _scene = new ChatScene(filter, filter->idString(), viewport()->width() - 2, this); // see below: resizeEvent()
   connect(_scene, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(sceneRectChanged(const QRectF &)));
@@ -84,7 +85,8 @@ void ChatView::lastLineChanged(QGraphicsItem *chatLine, qreal offset) {
   Q_UNUSED(chatLine)
   QAbstractSlider *vbar = verticalScrollBar();
   Q_ASSERT(vbar);
-  if(vbar->maximum() - vbar->value() <= (offset + 5) * _currentScaleFactor ) { // 5px grace area
+  if(QApplication::mouseButtons() == Qt::NoButton
+  && vbar->maximum() - vbar->value() <= (offset + 5) * _currentScaleFactor ) { // 5px grace area
     vbar->setValue(vbar->maximum());
   }
 }
@@ -117,7 +119,7 @@ MsgId ChatView::lastMsgId() const {
   return model->data(model->index(model->rowCount() - 1, 0), MessageModel::MsgIdRole).value<MsgId>();
 }
 
-void ChatView::zoomIn() { 
+void ChatView::zoomIn() {
     _currentScaleFactor *= 1.2;
     scale(1.2, 1.2);
     scene()->setWidth(viewport()->width() / _currentScaleFactor - 2);