diff --git a/qad/graphic/graphic.cpp b/qad/graphic/graphic.cpp
index 3fe7b5a..12038e2 100644
--- a/qad/graphic/graphic.cpp
+++ b/qad/graphic/graphic.cpp
@@ -300,6 +300,10 @@ void Graphic::canvasMouseMoveEvent(QMouseEvent * e) {
 			dp = e->pos() - prevpos;
 			dp.rx() *= selrect.width() / double(gridborder.x() + 5 - lastw);
 			dp.ry() *= selrect.height() / double(lasth - legy - gridborder.y() - 5);
+			if (e->modifiers() == Qt::ControlModifier)
+				dp.setY(0.);
+			if (e->modifiers() == Qt::ShiftModifier)
+				dp.setX(0.);
 			selrect.translate(dp);
 			isFit = false;
 			emit visualRectChanged();