Add ConnSignal action for Connector

[libs/gltk.git] / source / geometry.cpp

diff --git a/source/geometry.cpp b/source/geometry.cpp
index d7a0756d00652e37823be27f7cfd64b70c346073..8202774d62913cf894c147aec7d7e287b3828bdc 100644 (file)
--- a/source/geometry.cpp
+++ b/source/geometry.cpp
@@ -1,3 +1,10 @@
+/* $Id$
+
+This file is part of libmspgltk
+Copyright © 2007  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
 #include "geometry.h"
 
 namespace Msp {
@@ -8,6 +15,11 @@ bool Geometry::is_inside(int x_, int y_) const
        return (x_>=x && x_<x+static_cast<int>(w) && y_>=y && y_<y+static_cast<int>(h));
 }
 
+bool Geometry::is_inside_relative(int x_, int y_) const
+{
+       return (x_>=0 && x_<static_cast<int>(w) && y_>=0 && y_<static_cast<int>(h));
+}
+
 
 Sides::Sides():
        top(0),
@@ -26,5 +38,31 @@ Sides::Loader::Loader(Sides &s):
        add("left",   &Sides::left);
 }
 
+
+void Alignment::apply(Geometry &geom, const Geometry &parent) const
+{
+       if(parent.w>geom.w)
+               geom.w+=static_cast<unsigned>((parent.w-geom.w)*w);
+       if(parent.h>geom.h)
+               geom.h+=static_cast<unsigned>((parent.h-geom.h)*h);
+
+       geom.x+=static_cast<int>((parent.w-geom.w)*x);
+       geom.y+=static_cast<int>((parent.h-geom.h)*y);
+}
+
+void Alignment::apply(Geometry &geom, const Geometry &parent, const Sides &margin) const
+{
+       unsigned pw=parent.w-margin.left-margin.right;
+       unsigned ph=parent.h-margin.bottom-margin.top;
+
+       if(parent.w>geom.w)
+               geom.w+=static_cast<unsigned>((pw-geom.w)*w);
+       if(parent.h>geom.h)
+               geom.h+=static_cast<unsigned>((ph-geom.h)*h);
+
+       geom.x+=static_cast<int>(margin.left+(pw-geom.w)*x);
+       geom.y+=static_cast<int>(margin.bottom+(ph-geom.h)*y);
+}
+
 } // namespace GLtk
 } // namespace Msp