diff -r d948d39e5da8 -r f5d36be88c61 QTfrontend/ui/widget/drawmapwidget.h
--- a/QTfrontend/ui/widget/drawmapwidget.h	Wed Mar 14 21:46:07 2018 +0100
+++ b/QTfrontend/ui/widget/drawmapwidget.h	Wed Mar 14 22:59:06 2018 +0100
@@ -108,6 +108,10 @@
         void save(const QString & fileName);
         void load(const QString & fileName);
         void setPathType(DrawMapScene::PathType pathType);
+        void setBrushSize(int brushSize);
+
+    signals:
+        void brushSizeChanged(int brushSize);
 
     protected:
         void changeEvent(QEvent *e);
@@ -121,6 +125,7 @@
 
     private slots:
         void pathChanged();
+        void brushSizeChanged_slot(int brushSize);
 };
 
 #endif // DRAWMAPWIDGET_H