diff --git a/src/interface/modeler/quickapp/qml/BaseSlider.qml b/src/interface/modeler/quickapp/qml/BaseSlider.qml
index 58cc14e..f9338d6 100644
--- a/src/interface/modeler/quickapp/qml/BaseSlider.qml
+++ b/src/interface/modeler/quickapp/qml/BaseSlider.qml
@@ -4,4 +4,5 @@ import QtQuick.Controls 1.2
 Slider {
     signal changed(real value)
     onValueChanged: changed(value)
+    opacity: enabled ? 1.0 : 0.1
 }
diff --git a/src/interface/modeler/quickapp/qml/ToolbarButton.qml b/src/interface/modeler/quickapp/qml/ToolbarButton.qml
index 48fdba6..2453030 100644
--- a/src/interface/modeler/quickapp/qml/ToolbarButton.qml
+++ b/src/interface/modeler/quickapp/qml/ToolbarButton.qml
@@ -94,6 +94,10 @@ Item {
             tooltip_widget.hovertext = "";
         }
         onClicked: {
+            if (button.checked && button.exclusiveGroup) {
+                return;
+            }
+
             button.checked = !button.checked;
             if (!button.toggle)
             {