path: root/src/menu/drawable_control.cpp

/*
 * UltraStar Deluxe - Karaoke Game
 *
 * UltraStar Deluxe is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING. If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id$
 */

#include <GL/gl.h>

#include "drawable_control.hpp"
#include "container.hpp"
#include "clipping_helper.hpp"

namespace usdx
{
	log4cpp::Category& DrawableControl::log =
		log4cpp::Category::getInstance("usdx.menu.drawable_control");

	DrawableControl::DrawableControl(Container* 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), size(0, 0),
		  clipping_required(false), parent(parent)
	{
		helper.add(parent);
	}

	DrawableControl::~DrawableControl()
	{
		remove_parent();
	}

	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();

		{
			// position
			boost::mutex::scoped_lock lock(position_mutex);
			glTranslatef(position.get_x(), position.get_y(), 0.0f);
		}

		boost::mutex::scoped_lock clipping_lock(clipping_required_mutex);
		if (clipping_required) {
			clipping_lock.unlock();

			boost::mutex::scoped_lock lock(size_mutex);
			Point<int> offset(0, 0);
			if (parent)
				offset = parent->get_window_coords();

			ClippingHelper clipping(Rectangle<int>(offset + position, size));
			Drawable::repaint();
		}
		else {
			clipping_lock.unlock();
			Drawable::repaint();
		}
	}

	void DrawableControl::set_position(const Point<int>& position)
	{
		boost::mutex::scoped_lock lock(position_mutex);
		this->position = position;
	}

	void DrawableControl::set_position(int left, int top)
	{
		boost::mutex::scoped_lock lock(position_mutex);
		this->position = Point<int>(left, top);
	}


	const Point<int>& DrawableControl::get_position(void) const
	{
		return position;
	}

	int DrawableControl::get_left(void) const
	{
		return position.get_x();
	}

	int DrawableControl::get_top(void) const
	{
		return position.get_y();
	}


	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();
	}

	void DrawableControl::remove_parent(void)
	{
		if (parent) {
			parent->remove(this);
			parent = NULL;
		}
	}

	DrawableControl::ContainerHelper::ContainerHelper(DrawableControl* self) :
		self(self)
	{
	}

	void DrawableControl::ContainerHelper::add(Container* c) const
	{
		if (c) {
			c->add(self);
		}
	}
};