X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Farrangement.h;h=164a091c6a9032bdb3078d54e928e3ceee480483;hb=9f38197854e699a6093a906ab43f4238f3cd2388;hp=284d3f7edd7079279848ce4f9e1371e29d484b77;hpb=646af3dd91a6ca981572a5b69a0f0bd205d9af49;p=libs%2Fgltk.git

diff --git a/source/arrangement.h b/source/arrangement.h
index 284d3f7..164a091 100644
--- a/source/arrangement.h
+++ b/source/arrangement.h
@@ -2,14 +2,23 @@
 #define MSP_GLTK_ARRANGEMENT_H_
 
 #include <list>
+#include <stdexcept>
 #include "layout.h"
+#include "mspgltk_api.h"
 
 namespace Msp {
 namespace GLtk {
 
 class Widget;
 
-class Arrangement
+class MSPGLTK_API arrangement_error: public std::logic_error
+{
+public:
+	arrangement_error(const std::string &w): std::logic_error(w) { }
+	virtual ~arrangement_error() throw() { }
+};
+
+class MSPGLTK_API Arrangement
 {
 protected:
 	enum Side
@@ -23,17 +32,16 @@ protected:
 	struct Edge
 	{
 		std::list<Widget *> widgets;
-		bool aligned;
-
-		Edge();
+		bool aligned = false;
 
 		bool empty() { return widgets.empty(); }
 		void clear();
 		void add(Widget &, bool);
+		void align();
 	};
 
 	Layout &layout;
-	Arrangement *parent;
+	Arrangement *parent = 0;
 	Edge edges[4];
 
 	Arrangement(Layout &);
@@ -48,8 +56,11 @@ protected:
 	virtual void finish_widget(Widget &) = 0;
 	virtual void finish_slot() = 0;
 	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 &);
+	void add_constraint(Widget &, Layout::ConstraintType, Side, int = -1);
+	void add_constraint(Widget &, Layout::ConstraintType, const Edge &, int = -1);
+
+	static Layout::ConstraintType get_order_constraint(Side, bool);
+	static Layout::ConstraintType get_align_constraint(Side);
 };
 
 } // namespace GLtk