From: Mikko Rasa <tdb@tdb.fi>
Date: Mon, 28 Feb 2011 15:21:49 +0000 (+0000)
Subject: Add child_added/removed events to Container
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=9bfda3958f5b610c4513a912f4cd07d703d3d184;p=libs%2Fgltk.git

Add child_added/removed events to Container
---

diff --git a/source/container.cpp b/source/container.cpp
index 9ad6648..4c0ce93 100644
--- a/source/container.cpp
+++ b/source/container.cpp
@@ -27,6 +27,7 @@ void Container::add(Widget &wdg)
 {
 	wdg.set_parent(this);
 	children.push_back(create_child(&wdg));
+	on_child_added(wdg);
 }
 
 void Container::remove(Widget &wdg)
@@ -37,6 +38,7 @@ void Container::remove(Widget &wdg)
 			wdg.set_parent(0);
 			delete *i;
 			children.erase(i);
+			on_child_removed(wdg);
 			return;
 		}
 
diff --git a/source/container.h b/source/container.h
index ddccb06..e41baab 100644
--- a/source/container.h
+++ b/source/container.h
@@ -52,6 +52,8 @@ public:
 	virtual void pointer_leave();
 protected:
 	virtual void on_reparent();
+	virtual void on_child_added(Widget &) { }
+	virtual void on_child_removed(Widget &) { }
 };
 
 } // namespace GLtk