From 2d1c84a16c36869ca292b74348f2ef852f2f8a62 Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Sun, 25 Dec 2011 16:33:45 +0100
Subject: menu: Container could contains and draw DrawableControls

DrawableControls register/unregister itself during
construction/destruction at the Container (supplied as owner) and get
automatically drawn
---
 src/menu/container.cpp        | 29 ++++++++++++++---------------
 src/menu/container.hpp        | 13 ++++++-------
 src/menu/drawable_control.cpp | 11 +++++++++--
 src/menu/drawable_control.hpp |  7 ++++++-
 4 files changed, 35 insertions(+), 25 deletions(-)

(limited to 'src')

diff --git a/src/menu/container.cpp b/src/menu/container.cpp
index 3bed894e..d39ac736 100644
--- a/src/menu/container.cpp
+++ b/src/menu/container.cpp
@@ -28,32 +28,31 @@
 
 namespace usdx
 {
-	Container::Container(Control* parent)
-		: DrawableControl(parent)
+	Container::Container(Container* owner)
+		: DrawableControl(owner)
 	{
 	}
 
 	Container::~Container()
+	{
+		controls.clear();
+	}
+
+	void Container::draw(void)
 	{
 		for (std::list<DrawableControl*>::iterator it =
 			     controls.begin(); it != controls.end(); it++) {
-			delete *it;
+			(*it)->repaint();
 		}
-
-		controls.clear();
 	}
 
-	void Container::repaint(void)
+	void Container::add(DrawableControl *child)
 	{
-		if (get_visible()) {
-			draw();
-
-			for (std::list<DrawableControl*>::const_iterator it =
-				     controls.begin();
-			     it != controls.end(); it++) {
+		controls.push_back(child);
+	}
 
-				(*it)->repaint();
-			}
-		}
+	void Container::remove(DrawableControl *child)
+	{
+		controls.remove(child);
 	}
 };
diff --git a/src/menu/container.hpp b/src/menu/container.hpp
index 6ee6bde2..a558462e 100644
--- a/src/menu/container.hpp
+++ b/src/menu/container.hpp
@@ -28,7 +28,6 @@
 #define CONTAINER_HPP
 
 #include <list>
-
 #include "drawable_control.hpp"
 
 namespace usdx
@@ -38,15 +37,15 @@ namespace usdx
 	private:
 		std::list<DrawableControl*> controls;
 
+	protected:
+		virtual void draw(void);
+
 	public:
-		Container(Control* parent);
+		Container(Container* parent);
 		virtual ~Container();
 
-		/**
-		 * Method for redraw all contained objects.
-		 */
-		void repaint(void);
-
+		void add(DrawableControl *child);
+		void remove(DrawableControl *child);
 	};
 };
 
diff --git a/src/menu/drawable_control.cpp b/src/menu/drawable_control.cpp
index 895193f4..bf2ddc74 100644
--- a/src/menu/drawable_control.cpp
+++ b/src/menu/drawable_control.cpp
@@ -25,15 +25,22 @@
  */
 
 #include "drawable_control.hpp"
+#include "container.hpp"
 
 namespace usdx
 {
-	DrawableControl::DrawableControl(Control* parent)
-		: Control(parent)
+	DrawableControl::DrawableControl(Container* parent)
+		: Control(parent), parent(parent)
 	{
+		if (parent) {
+			parent->add(this);
+		}
 	}
 
 	DrawableControl::~DrawableControl()
 	{
+		if (parent) {
+			parent->remove(this);
+		}
 	}
 };
diff --git a/src/menu/drawable_control.hpp b/src/menu/drawable_control.hpp
index d8b10d10..fcab05da 100644
--- a/src/menu/drawable_control.hpp
+++ b/src/menu/drawable_control.hpp
@@ -34,10 +34,15 @@
 
 namespace usdx
 {
+	class Container;
+
 	class DrawableControl : public Drawable, public Control
 	{
+	private:
+		Container* parent;
+
 	public:
-		DrawableControl(Control* parent);
+		DrawableControl(Container* parent);
 		virtual ~DrawableControl();
 	};
 };
-- 
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