Pan image when resizing window to maintain focal point

jdpurcell · Dec 26, 2024 · 49d733d · 49d733d
1 parent 158c934
commit 49d733d
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/qvgraphicsview.cpp b/src/qvgraphicsview.cpp
@@ -71,6 +71,9 @@ void QVGraphicsView::resizeEvent(QResizeEvent *event)
             return;
 
     QGraphicsView::resizeEvent(event);
+
+    const QPoint sizeDelta = QRect(QPoint(), event->size()).bottomRight() - QRect(QPoint(), event->oldSize()).bottomRight();
+    scrollHelper->move(sizeDelta.toPointF() / -2.0);
     fitOrConstrainImage();
 }