menu/drawable_control: added size to controls and clip drawing if requested

if requested (set_clipping_required) DrawableControl will use
ClippingHelper to setup glScissor befor drawing the content. container
will request clipping by default

1 files changed, 57 insertions, 3 deletions

diff --git a/src/menu/drawable_control.cpp b/src/menu/drawable_control.cpp
index 6ee5100c..72486d42 100644
--- a/src/menu/drawable_control.cpp
+++ b/src/menu/drawable_control.cpp
@@ -28,6 +28,7 @@
 
 #include "drawable_control.hpp"
 #include "container.hpp"
+#include "clipping_helper.hpp"
 
 namespace usdx
 {
@@ -35,14 +36,16 @@ namespace usdx
 		log4cpp::Category::getInstance("usdx.menu.drawable_control");
 
 	DrawableControl::DrawableControl(Container* parent)
-		: Control(parent), position(0, 0), parent(parent)
+		: Control(parent), position(0, 0), size(0, 0),
+		  clipping_required(false), parent(parent)
 	{
 		ContainerHelper(this).add(parent);
 	}
 
 	DrawableControl::DrawableControl(Container* parent,
 									 const ContainerHelper& helper)
-		: Control(parent), position(0, 0), parent(parent)
+		: Control(parent), position(0, 0), size(0, 0),
+		  clipping_required(false), parent(parent)
 	{
 		helper.add(parent);
 	}
@@ -55,6 +58,17 @@ namespace usdx
 		}
 	}
 
+	bool DrawableControl::get_clipping_required(void) const
+	{
+		return clipping_required;
+	}
+
+	void DrawableControl::set_clipping_required(const bool value)
+	{
+		boost::mutex::scoped_lock lock(clipping_required_mutex);
+		clipping_required = value;
+	}
+
 	void DrawableControl::repaint(void)
 	{
 		glLoadIdentity();
@@ -65,7 +79,19 @@ namespace usdx
 			glTranslatef(position.get_x(), position.get_y(), 0.0f);
 		}
 
-		Drawable::repaint();
+		boost::mutex::scoped_lock clipping_lock(clipping_required_mutex);
+		if (clipping_required) {
+			clipping_lock.unlock();
+
+			boost::mutex::scoped_lock lock(size_mutex);
+			ClippingHelper clipping(Rectangle<int>(position, size));
+
+			Drawable::repaint();
+		}
+		else {
+			clipping_lock.unlock();
+			Drawable::repaint();
+		}
 	}
 
 	void DrawableControl::set_position(const Point<int>& position)
@@ -97,6 +123,34 @@ namespace usdx
 	}
 
 
+	void DrawableControl::set_size(const Dimension<int> &size)
+	{
+		boost::mutex::scoped_lock lock(size_mutex);
+		this->size = size;
+	}
+
+	void DrawableControl::set_size(int width, int height)
+	{
+		boost::mutex::scoped_lock lock(size_mutex);
+		this->size = Dimension<int>(width, height);
+	}
+
+
+	const Dimension<int>& DrawableControl::get_size(void) const
+	{
+		return size;
+	}
+
+	int DrawableControl::get_width(void) const
+	{
+		return size.get_width();
+	}
+
+	int DrawableControl::get_height(void) const
+	{
+		return size.get_height();
+	}
+
 	DrawableControl::ContainerHelper::ContainerHelper(DrawableControl* self) :
 		self(self)
 	{