/*
	GWEN
	Copyright (c) 2010 Facepunch Studios
	See license in Gwen.h
*/

#pragma once
#ifndef GWEN_INPUTHANDLER_H
#define GWEN_INPUTHANDLER_H

#include <queue>
#include "Gwen/Gwen.h"

namespace Gwen
{
namespace Controls
{
class Base;
}

namespace Key
{
const unsigned char Invalid = 0;
const unsigned char Return = 1;
const unsigned char Backspace = 2;
const unsigned char Delete = 3;
const unsigned char Left = 4;
const unsigned char Right = 5;
const unsigned char Shift = 6;
const unsigned char Tab = 7;
const unsigned char Space = 8;
const unsigned char Home = 9;
const unsigned char End = 10;
const unsigned char Control = 11;
const unsigned char Up = 12;
const unsigned char Down = 13;
const unsigned char Escape = 14;
const unsigned char Alt = 15;

const unsigned char Count = 16;
}  // namespace Key

namespace Input
{
namespace Message
{
enum
{
	Copy,
	Paste,
	Cut,
	Undo,
	Redo,
	SelectAll
};
};

// For use in panels
bool GWEN_EXPORT IsKeyDown(int iKey);
bool GWEN_EXPORT IsLeftMouseDown();
bool GWEN_EXPORT IsRightMouseDown();
Gwen::Point GWEN_EXPORT GetMousePosition();

inline bool IsShiftDown() { return IsKeyDown(Gwen::Key::Shift); }
inline bool IsControlDown() { return IsKeyDown(Gwen::Key::Control); }

// Does copy, paste etc
bool GWEN_EXPORT DoSpecialKeys(Controls::Base* pCanvas, Gwen::UnicodeChar chr);
bool GWEN_EXPORT HandleAccelerator(Controls::Base* pCanvas, Gwen::UnicodeChar chr);

// Send input to canvas for study
void GWEN_EXPORT OnMouseMoved(Controls::Base* pCanvas, int x, int y, int deltaX, int deltaY);
bool GWEN_EXPORT OnMouseClicked(Controls::Base* pCanvas, int iButton, bool bDown);
bool GWEN_EXPORT OnKeyEvent(Controls::Base* pCanvas, int iKey, bool bDown);
void GWEN_EXPORT OnCanvasThink(Controls::Base* pControl);

};  // namespace Input
}  // namespace Gwen
#endif