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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            widget.h
 *
 *  Sun Oct  9 13:01:44 CEST 2011
 *  Copyright 2011 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of DrumGizmo.
 *
 *  DrumGizmo 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.
 *
 *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#pragma once

#include "guievent.h"
#include "pixelbuffer.h"
#include "notifier.h"
#include "layout.h"

#include <vector>

namespace GUI {

class Window;

class Widget : public Listener, LayoutItem {
public:
	Widget(Widget *parent);
	virtual ~Widget();

	virtual void show();
	virtual void hide();

	virtual void resize(int width, int height);
	virtual void move(size_t x, size_t y);

	virtual size_t x();
	virtual size_t y();
	virtual size_t windowX();
	virtual size_t windowY();
	virtual size_t width();
	virtual size_t height();

	virtual bool isFocusable() { return false; }
	virtual bool catchMouse() { return false; }

	void addChild(Widget *widget);
	void removeChild(Widget *widget);

	virtual void repaintEvent(RepaintEvent *e) {}
	virtual void mouseMoveEvent(MouseMoveEvent *e) {}
	virtual void buttonEvent(ButtonEvent *e) {}
	virtual void scrollEvent(ScrollEvent *e) {}
	virtual void keyEvent(KeyEvent *e) {}

	virtual void mouseLeaveEvent() {}
	virtual void mouseEnterEvent() {}

	Widget *find(size_t x, size_t y);

	virtual Window *window();

	void repaint_r(RepaintEvent *e);

	PixelBufferAlpha pixbuf;
	std::vector<PixelBufferAlpha *> getPixelBuffers();

	bool hasKeyboardFocus();

	Widget *parent;

	bool visible();
	void setVisible(bool visible);

protected:
	std::vector<Widget*> children;
	Window *_window;
	size_t _x, _y, _width, _height;

private:
	bool _visible;
};

} // GUI::