Support specifying layouts in datafiles

[libs/gltk.git] / source / layout.h

diff --git a/source/layout.h b/source/layout.h
index 85d64ae4d64f4f670365a58fbc921cb7406660a6..2de4013a5d1e8b943cf939abd5b63b114e5fd1e3 100644 (file)
--- a/source/layout.h
+++ b/source/layout.h
@@ -4,6 +4,7 @@
 #include <list>
 #include <set>
 #include <sigc++/trackable.h>
+#include <msp/strings/lexicalcast.h>
 #include "geometry.h"
 
 namespace Msp {
@@ -191,6 +192,8 @@ private:
        void solve_constraints(int, SolveMode);
 };
 
+void operator>>(const LexicalConverter &, Layout::ConstraintType &);
+
 } // namespace GLtk
 } // namespace Msp