diff --git a/src/plugins/qmldesigner/components/bindingeditor/abstracteditordialog.cpp b/src/plugins/qmldesigner/components/bindingeditor/abstracteditordialog.cpp
index 8ee7ef1b9ed..35b9c501745 100644
--- a/src/plugins/qmldesigner/components/bindingeditor/abstracteditordialog.cpp
+++ b/src/plugins/qmldesigner/components/bindingeditor/abstracteditordialog.cpp
@@ -123,7 +123,8 @@ void AbstractEditorDialog::setupUIComponents()
     m_buttonBox->button(QDialogButtonBox::Ok)->setDefault(true);
 
     m_verticalLayout->addLayout(m_comboBoxLayout);
-    m_verticalLayout->addWidget(m_editorWidget);
+    //editor widget has to stretch the most among the other siblings:
+    m_verticalLayout->addWidget(m_editorWidget, 10);
     m_verticalLayout->addWidget(m_buttonBox);
 
     this->resize(660, 240);
diff --git a/src/plugins/qmldesigner/components/bindingeditor/actioneditordialog.cpp b/src/plugins/qmldesigner/components/bindingeditor/actioneditordialog.cpp
index b5bb15c30cf..86824ac2656 100644
--- a/src/plugins/qmldesigner/components/bindingeditor/actioneditordialog.cpp
+++ b/src/plugins/qmldesigner/components/bindingeditor/actioneditordialog.cpp
@@ -399,6 +399,16 @@ void ActionEditorDialog::showControls(bool show)
         m_assignmentSourceItem->setVisible(show);
     if (m_assignmentSourceProperty)
         m_assignmentSourceProperty->setVisible(show);
+
+    if (m_stackedLayout)
+        m_stackedLayout->setEnabled(show);
+    if (m_actionLayout)
+        m_actionLayout->setEnabled(show);
+    if (m_assignmentLayout)
+        m_assignmentLayout->setEnabled(show);
+
+    if (m_comboBoxLayout)
+        m_comboBoxLayout->setEnabled(show);
 }
 
 void ActionEditorDialog::setMultiline(bool multiline)