scale subtree with mouse wheel

14 years ago · 7d82c1eb34
parent 6a075518f5
commit 7d82c1eb34
1 changed files with 12 additions and 6 deletions
--- a/graphwidget.cpp
+++ b/graphwidget.cpp
@ -498,17 +498,23 @@ void GraphWidget::keyPressEvent(QKeyEvent *event)

 void GraphWidget::wheelEvent(QWheelEvent *event)
 {
-    if (QApplication::keyboardModifiers() == Qt::ControlModifier)
+    if (QApplication::keyboardModifiers() & Qt::ControlModifier)
    {
-        if (m_activeNode)
+        if (!m_activeNode)
        {
-            m_activeNode->setScale(pow((double)1.2, event->delta() / 120.0),
+            m_parent->statusBarMsg(tr("No active node."));
+            return;
+        }
+        if (QApplication::keyboardModifiers() & Qt::ShiftModifier)
+        {
+            foreach(Node *node, m_activeNode->subtree())
+                node->setScale(pow((double)1.2, event->delta() / 120.0),
                                 sceneRect());
        }
        else
        {
-            m_parent->statusBarMsg(tr("No active node."));
-            return;
+            m_activeNode->setScale(pow((double)1.2, event->delta() / 120.0),
+                                   sceneRect());
        }
    }
    else