set input mask properly for hidden sidebars

--do not enable any input mask for hidden sidebars

app/view/visibilitymanager.h

@@ -116,7 +116,6 @@ public:
     void setTimerHide(int msec);
 
     bool hasBlockHidingEvent(const QString &type);
-    bool isSidebar() const;
 
     //! KWin Edges Support functions
     bool enableKWinEdges() const;
@@ -141,6 +140,8 @@ public slots:
     Q_INVOKABLE void addBlockHidingEvent(const QString &type);
     Q_INVOKABLE void removeBlockHidingEvent(const QString &type);
 
+    Q_INVOKABLE bool isSidebar() const;
+
     void initViewFlags();
 
 signals:

containment/package/contents/ui/VisibilityManager.qml

@@ -377,6 +377,11 @@ Item{
                 inputGeometry.width = Math.min(inputGeometry.width, latteView.width);
                 inputGeometry.height = Math.min(inputGeometry.height, latteView.height);
 
+                if (latteView.visibility.isSidebar() && latteView.visibility.isHidden) {
+                    //! this way we make sure than no input is accepted anywhere
+                    inputGeometry = Qt.rect(-1, -1, 1, 1);
+                }
+
                 latteView.effects.inputMask = inputGeometry;
             }
         }