/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM 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 3 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.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef BLADERUNNER_UI_COMPONENT_H
#define BLADERUNNER_UI_COMPONENT_H

namespace Common{
struct KeyState;
struct Event;
}

namespace Graphics {
struct Surface;
}

namespace BladeRunner {

class BladeRunnerEngine;

typedef void UIComponentCallback(void *callbackData, void *source);

class UIComponent {
protected:
	BladeRunnerEngine *_vm;

public:
	UIComponent(BladeRunnerEngine *vm) {
		_vm = vm;
	}

	virtual ~UIComponent() {}

	virtual void draw(Graphics::Surface &surface) {}

	virtual void handleMouseMove(int mouseX, int mouseY) {}
	virtual void handleMouseDown(bool alternateButton) {}
	virtual void handleMouseUp(bool alternateButton) {}
	virtual void handleMouseScroll(int direction) {} // Added by ScummVM team
	virtual void handleKeyUp(const Common::KeyState &kbd) {}
	virtual void handleKeyDown(const Common::KeyState &kbd) {}
	virtual void handleCustomEventStop(const Common::Event &evt) {}
	virtual void handleCustomEventStart(const Common::Event &evt) {}
};

} // End of namespace BladeRunner

#endif