X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Farrangement.h;h=ed1798b8a74856fcd18d2fc96bb9a9d12051a509;hb=304500a51a1a9d00e3c84ed2a6ffda0f829445b4;hp=284d3f7edd7079279848ce4f9e1371e29d484b77;hpb=b30edd979e6e9c7acfaaf3a90903814a7e62a71e;p=libs%2Fgltk.git

diff --git a/source/arrangement.h b/source/arrangement.h
index 284d3f7..ed1798b 100644
--- a/source/arrangement.h
+++ b/source/arrangement.h
@@ -2,6 +2,7 @@
 #define MSP_GLTK_ARRANGEMENT_H_
 
 #include <list>
+#include <stdexcept>
 #include "layout.h"
 
 namespace Msp {
@@ -9,6 +10,13 @@ namespace GLtk {
 
 class Widget;
 
+class arrangement_error: public std::logic_error
+{
+public:
+	arrangement_error(const std::string &w): std::logic_error(w) { }
+	virtual ~arrangement_error() throw() { }
+};
+
 class Arrangement
 {
 protected: