Fix (?) scrolling

part/pageview.cpp

@@ -3251,15 +3251,12 @@ void PageView::wheelEvent(QWheelEvent *e)
 
     int delta = e->angleDelta().y(), vScroll = verticalScrollBar()->value();
     e->accept();
-    if ((e->modifiers() & Qt::ControlModifier) == Qt::ControlModifier) {
+    if ( (e->modifiers() & Qt::ControlModifier) == Qt::ControlModifier ) {
-        d->controlWheelAccumulatedDelta += delta;
+        d->zoomFactor *= exp( (double)delta / 120.0 );
-        if (d->controlWheelAccumulatedDelta <= -QWheelEvent::DefaultDeltasPerStep) {
+        d->blockPixmapsRequest = true;
-            slotZoomOut();
+        updateZoom( ZoomRefreshCurrent );
-            d->controlWheelAccumulatedDelta = 0;
+        d->blockPixmapsRequest = false;
-        } else if (d->controlWheelAccumulatedDelta >= QWheelEvent::DefaultDeltasPerStep) {
+        viewport()->repaint();
-            slotZoomIn();
-            d->controlWheelAccumulatedDelta = 0;
-        }
     } else {
         d->controlWheelAccumulatedDelta = 0;