diff --git a/containment.cpp b/containment.cpp
index 64ade0b25..f1b0f6ad1 100644
--- a/containment.cpp
+++ b/containment.cpp
@@ -1812,6 +1812,11 @@ void Containment::setToolBoxOpen(bool open)
     }
 }
 
+bool Containment::isToolBoxOpen() const
+{
+    return (d->toolBox && d->toolBox.data()->isShowing());
+}
+
 void Containment::openToolBox()
 {
     if (d->toolBox && !d->toolBox.data()->isShowing()) {
diff --git a/containment.h b/containment.h
index 7045b59db..f4e6f8df6 100644
--- a/containment.h
+++ b/containment.h
@@ -311,6 +311,12 @@ class PLASMA_EXPORT Containment : public Applet
          */
         void setToolBoxOpen(bool open);
 
+        /**
+         * @return true if the toolbox is open
+         * @since 4.5
+         */
+        bool isToolBoxOpen() const;
+
         /**
          * Open the Containment's toolbox
          */