1 files changed, 16 insertions, 0 deletions
diff --git a/src/slic3r/GUI/Widget.hpp b/src/slic3r/GUI/Widget.hpp
new file mode 100644
index 000000000..bcf772469
--- /dev/null
+++ b/src/slic3r/GUI/Widget.hpp
@@ -0,0 +1,16 @@
+#ifndef WIDGET_HPP
+#define WIDGET_HPP
+#include <wx/wxprec.h>
+#ifndef WX_PRECOM
+#include <wx/wx.h>
+#endif
+
+class Widget {
+protected:
+    wxSizer* _sizer;
+public:
+    Widget(): _sizer(nullptr) { }
+    bool valid() const { return _sizer != nullptr; } 
+    wxSizer* sizer() const { return _sizer; } 
+};
+#endif