Fix scroll speed with hand tool when zoomed in/out

8 years ago · 6ad13d8a4b
parent a4cb76a7e2
commit 6ad13d8a4b
1 changed files with 2 additions and 1 deletions
--- a/src/board/UBBoardController.cpp
+++ b/src/board/UBBoardController.cpp
@ -920,7 +920,8 @@ void UBBoardController::zoom(const qreal ratio, QPointF scenePoint)

 void UBBoardController::handScroll(qreal dx, qreal dy)
 {
-    mControlView->translate(dx, dy);
+    qreal antiScaleRatio = 1/(mSystemScaleFactor * currentZoom());
+    mControlView->translate(dx*antiScaleRatio, dy*antiScaleRatio);

    UBApplication::applicationController->adjustDisplayView();