/*  $Id: display_window_win32.h,v 1.33 2004/05/07 14:52:52 mbn Exp $
**
**  ClanLib Game SDK
**  Copyright (C) 2003  The ClanLib Team
**  For a total list of contributers see the file CREDITS.
**
**  This library is free software; you can redistribute it and/or
**  modify it under the terms of the GNU Lesser General Public
**  License as published by the Free Software Foundation; either
**  version 2.1 of the License, or (at your option) any later version.
**
**  This library 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
**  Lesser General Public License for more details.
**
**  You should have received a copy of the GNU Lesser General Public
**  License along with this library; if not, write to the Free Software
**  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*/

#ifndef header_display_window_win32
#define header_display_window_win32

#if _MSC_VER > 1000
#pragma once
#endif

#include "Display/display_window_generic.h"
#include "API/Core/Math/rect.h"
#include "API/Display/input_context.h"
#include "API/Display/input_device.h"
#include <map>

#include <dinput.h>

#if DIRECTINPUT_HEADER_VERSION < 0x0800
#error Found DirectX headers older than 8.0. Please download a newer directx, and make sure its FIRST in the include path and library path (Tools->Options->Directories in MSVC).
#endif

class CL_DisplayWindow_Win32 : public CL_DisplayWindow_Generic
{
//! Construction:
public:
	CL_DisplayWindow_Win32();

	virtual ~CL_DisplayWindow_Win32();

//! Attributes:
public:
	virtual int get_width() const;

	virtual int get_height() const;

	virtual bool is_fullscreen() const;

	virtual bool has_focus() const;

	virtual CL_PixelBuffer &get_buffer(int i);

	virtual const CL_PixelBuffer &get_buffer(int i) const;

	virtual int get_buffer_count() const;

	virtual bool get_keycode(int keycode) const;

	HWND get_hwnd() { return hwnd; }

	virtual CL_InputContext *get_ic() { return &input_context; }

	const CL_Rect &get_layer_position() const { return layered_position; }

	LPDIRECTINPUT8 get_directinput() const { return directinput; }

	CL_Point mouse_pos;

	bool left_ctrl_down, left_alt_down, left_shift_down;

	bool right_ctrl_down, right_alt_down, right_shift_down;

//! Operations:
public:
	virtual void set_fullscreen(int width, int height, int bpp, int refresh_rate);

	virtual void set_windowed();

	virtual void set_title(const std::string &title);

	virtual void set_position(const CL_Rect &pos);

	virtual void set_position(int x, int y);

	virtual void set_size(int width, int height);

	virtual void set_buffer_count(int flipping_buffers);

	virtual void update(const CL_Rect &rect);

	virtual void flip(int interval);

	virtual void create_window(const CL_DisplayWindowDescription &desc);

	virtual void destroy_window();

	virtual void show_system_cursor();

	virtual void hide_system_cursor();

	void set_videomode(int width, int height, int bpp, int refresh_rate);

	void restore_videomode();

	virtual bool received_event(UINT uMsg, WPARAM wParam, LPARAM lParam);

//! Implementation:
private:
	//: Creates the initial window based on the window description.
	void create_new_window(const CL_DisplayWindowDescription &desc);

	//: Updates the already created window to new window description.
	void modify_window(const CL_DisplayWindowDescription &desc);

	static BOOL CALLBACK enum_windows_callback_save(HWND hwnd, LPARAM lParam);

	static BOOL CALLBACK enum_windows_callback_restore(HWND hwnd, LPARAM lParam);

	static BOOL CALLBACK enum_devices_callback(LPCDIDEVICEINSTANCE lpddi, LPVOID pvRef);

	void received_keyboard_input(UINT uMsg, WPARAM wParam, LPARAM lParam);

	void received_mouse_input(UINT uMsg, WPARAM wParam, LPARAM lParam);

	void received_mouse_move(UINT uMsg, WPARAM wParam, LPARAM lParam);

	static std::map<HWND, CL_DisplayWindow_Win32 *> window_map;

	static LONG WINAPI message_handler(
		HWND hWnd,
		UINT uMsg,
		WPARAM wParam,
		LPARAM lParam);

	CL_InputContext input_context;

	CL_InputDevice keyboard;

	CL_InputDevice mouse;

	HWND hwnd;

	std::string title;

	bool fullscreen;

	bool allow_resize;

	bool layered;

	CL_Rect layered_position;

	int bpp;

	unsigned char keys_down[256];

	int previous_key_down;
	int repeat_count;

	CL_Rect saved_position;

	LPDIRECTINPUT8 directinput;

	std::map< HWND, std::pair<LONG, WINDOWPLACEMENT> > saved_window_positions;
};

#endif
