X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Farrangement.h;h=fc3ec8226cfed99c59b6676ee3834797fb273409;hb=32539688068fad9614291159b069da10ead10f47;hp=284d3f7edd7079279848ce4f9e1371e29d484b77;hpb=646af3dd91a6ca981572a5b69a0f0bd205d9af49;p=libs%2Fgltk.git

diff --git a/source/arrangement.h b/source/arrangement.h
index 284d3f7..fc3ec82 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:
@@ -50,6 +58,9 @@ protected:
 	const Edge &get_edge(Side s) const { return edges[s]; }
 	void add_constraint(Widget &, Layout::ConstraintType, Side);
 	void add_constraint(Widget &, Layout::ConstraintType, const Edge &);
+
+	static Layout::ConstraintType get_order_constraint(Side, bool);
+	static Layout::ConstraintType get_align_constraint(Side);
 };
 
 } // namespace GLtk