src/video/windx5/SDL_dx5events.c
author Sam Lantinga <slouken@libsdl.org>
Tue, 20 Aug 2002 06:01:20 +0000
changeset 460 a888b3ae31ff
parent 458 a8a0a4f19df7
child 491 da6a7e859616
permissions -rw-r--r--
Reset mouse state when changing video modes
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Library General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Library General Public License for more details.
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    You should have received a copy of the GNU Library General Public
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    License along with this library; if not, write to the Free
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#ifdef SAVE_RCSID
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static char rcsid =
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 "@(#) $Id$";
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#endif
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/* CAUTION!!!!  If you modify this file, check ../windib/SDL_sysevents.c */
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#include "directx.h"
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#include <stdio.h>
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#include "SDL_events.h"
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#include "SDL_video.h"
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#include "SDL_error.h"
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#include "SDL_syswm.h"
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#include "SDL_sysevents.h"
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#include "SDL_events_c.h"
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#include "SDL_lowvideo.h"
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#include "SDL_dx5video.h"
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#ifndef WM_APP
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#define WM_APP	0x8000
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#endif
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#ifdef _WIN32_WCE
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#define NO_GETKEYBOARDSTATE
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#endif
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/* The keyboard and mouse device input */
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#define MAX_INPUTS	16		/* Maximum of 16-1 input devices */
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#define INPUT_QSIZE	32		/* Buffer up to 32 input messages */
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static LPDIRECTINPUT dinput = NULL;
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static LPDIRECTINPUTDEVICE2 SDL_DIdev[MAX_INPUTS];
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static HANDLE               SDL_DIevt[MAX_INPUTS];
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static void (*SDL_DIfun[MAX_INPUTS])(const int, DIDEVICEOBJECTDATA *);
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static int SDL_DIndev = 0;
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static int mouse_lost;
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static int mouse_pressed;
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/* The translation table from a DirectInput scancode to an SDL keysym */
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static SDLKey DIK_keymap[256];
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static SDL_keysym *TranslateKey(UINT scancode, SDL_keysym *keysym, int pressed);
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/* DJM: If the user setup the window for us, we want to save his window proc,
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   and give him a chance to handle some messages. */
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static WNDPROC userWindowProc = NULL;
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/* Convert a DirectInput return code to a text message */
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static void SetDIerror(char *function, int code)
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{
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	static char *error;
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	static char  errbuf[1024];
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	errbuf[0] = 0;
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	switch (code) {
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                case DIERR_GENERIC:
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                        error = "Undefined error!";
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                        break;
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		case DIERR_OLDDIRECTINPUTVERSION:
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			error = "Your version of DirectInput needs upgrading";
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			break;
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		case DIERR_INVALIDPARAM:
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                        error = "Invalid parameters";
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                        break;
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                case DIERR_OUTOFMEMORY:
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                        error = "Out of memory";
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                        break;
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		case DIERR_DEVICENOTREG:
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			error = "Device not registered";
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			break;
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		case DIERR_NOINTERFACE:
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			error = "Interface not supported";
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			break;
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		case DIERR_NOTINITIALIZED:
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			error = "Device not initialized";
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			break;
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		default:
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			sprintf(errbuf, "%s: Unknown DirectInput error: 0x%x",
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								function, code);
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			break;
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	}
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	if ( ! errbuf[0] ) {
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		sprintf(errbuf, "%s: %s", function, error);
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	}
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	SDL_SetError("%s", errbuf);
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	return;
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}
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/* Initialize DirectInput
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   Note:  If NONEXCLUSIVE access is requested for the devices, normal 
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          windows input messages will continue to be generated for that
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          input device, in addition to DirectInput messages.
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 */
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static void handle_keyboard(const int numevents, DIDEVICEOBJECTDATA *events);
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static void handle_mouse(const int numevents, DIDEVICEOBJECTDATA *events);
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struct {
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	char *name;
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	REFGUID guid;
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	LPCDIDATAFORMAT format;
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	DWORD win_level;
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	DWORD raw_level;
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	void (*fun)(const int numevents, DIDEVICEOBJECTDATA *events);
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} inputs[] = {
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	{ "keyboard",
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		&GUID_SysKeyboard, &c_dfDIKeyboard,
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		(DISCL_FOREGROUND|DISCL_NONEXCLUSIVE),
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		(DISCL_FOREGROUND|DISCL_NONEXCLUSIVE), handle_keyboard },
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	{ "mouse",
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		&GUID_SysMouse, &c_dfDIMouse,
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		(DISCL_FOREGROUND|DISCL_NONEXCLUSIVE),
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		(DISCL_FOREGROUND|DISCL_EXCLUSIVE), handle_mouse },
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	{ NULL, NULL, NULL, 0, 0, NULL }
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};
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static int DX5_DInputInit(_THIS)
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{
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	int         i;
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	LPDIRECTINPUTDEVICE device;
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	HRESULT     result;
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	DIPROPDWORD dipdw;
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	/* Create the DirectInput object */
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	result = DInputCreate(SDL_Instance, DIRECTINPUT_VERSION,
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							&dinput, NULL);
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	if ( result != DI_OK ) {
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		SetDIerror("DirectInputCreate", result);
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		return(-1);
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	}
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	/* Create all of our registered input devices */
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	SDL_DIndev = 0;
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	for ( i=0; inputs[i].name; ++i ) {
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		/* Create the DirectInput device */
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		result = IDirectInput_CreateDevice(dinput, inputs[i].guid,
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								&device, NULL);
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		if ( result != DI_OK ) {
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			SetDIerror("DirectInput::CreateDevice", result);
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			return(-1);
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		}
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		result = IDirectInputDevice_QueryInterface(device,
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			&IID_IDirectInputDevice2, (LPVOID *)&SDL_DIdev[i]);
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		IDirectInputDevice_Release(device);
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		if ( result != DI_OK ) {
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			SetDIerror("DirectInputDevice::QueryInterface", result);
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			return(-1);
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		}
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		result = IDirectInputDevice2_SetCooperativeLevel(SDL_DIdev[i],
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					SDL_Window, inputs[i].win_level);
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		if ( result != DI_OK ) {
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			SetDIerror("DirectInputDevice::SetCooperativeLevel",
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									result);
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			return(-1);
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		}
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		result = IDirectInputDevice2_SetDataFormat(SDL_DIdev[i],
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							inputs[i].format);
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		if ( result != DI_OK ) {
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			SetDIerror("DirectInputDevice::SetDataFormat", result);
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			return(-1);
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		}
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		/* Set buffered input -- we aren't polling */
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		memset(&dipdw, 0, sizeof(dipdw));
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		dipdw.diph.dwSize = sizeof(dipdw);
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		dipdw.diph.dwHeaderSize = sizeof(dipdw.diph);
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		dipdw.diph.dwObj = 0;
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		dipdw.diph.dwHow = DIPH_DEVICE;
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		dipdw.dwData = INPUT_QSIZE;
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		result = IDirectInputDevice2_SetProperty(SDL_DIdev[i],
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						DIPROP_BUFFERSIZE, &dipdw.diph);
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		if ( result != DI_OK ) {
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			SetDIerror("DirectInputDevice::SetProperty", result);
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			return(-1);
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		}
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		/* Create an event to be signaled when input is ready */
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		SDL_DIevt[i] = CreateEvent(NULL, FALSE, FALSE, NULL);
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		if ( SDL_DIevt[i] == NULL ) {
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			SDL_SetError("Couldn't create DirectInput event");
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			return(-1);
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		}
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		result = IDirectInputDevice2_SetEventNotification(SDL_DIdev[i],
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								SDL_DIevt[i]);
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		if ( result != DI_OK ) {
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			SetDIerror("DirectInputDevice::SetEventNotification",
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									result);
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			return(-1);
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		}
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		SDL_DIfun[i] = inputs[i].fun;
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		/* Acquire the device for input */
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		IDirectInputDevice2_Acquire(SDL_DIdev[i]);
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		/* Increment the number of devices we have */
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		++SDL_DIndev;
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	}
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	mouse_pressed = 0;
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	/* DirectInput is ready! */
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	return(0);
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}
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/* Clean up DirectInput */
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static void DX5_DInputQuit(_THIS)
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{
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	int i;
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	if ( dinput != NULL ) {
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		/* Close and release all DirectInput devices */
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		for ( i=0; i<MAX_INPUTS; ++i ) {
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			if ( SDL_DIdev[i] != NULL ) {
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				IDirectInputDevice2_Unacquire(SDL_DIdev[i]);
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				IDirectInputDevice2_SetEventNotification(
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							SDL_DIdev[i], NULL);
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				if ( SDL_DIevt[i] != NULL ) {
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					CloseHandle(SDL_DIevt[i]);
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					SDL_DIevt[i] = NULL;
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				}
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				IDirectInputDevice2_Release(SDL_DIdev[i]);
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				SDL_DIdev[i] = NULL;
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			}
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		}
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		/* Release DirectInput */
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		IDirectInput_Release(dinput);
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		dinput = NULL;
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	}
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}
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/* Flag to tell SDL whether or not we queued an event */
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static int posted = 0;
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/* Input event handler functions */
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static void handle_keyboard(const int numevents, DIDEVICEOBJECTDATA *keybuf)
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{
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	int i;
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	SDL_keysym keysym;
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	/* Translate keyboard messages */
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	for ( i=0; i<numevents; ++i ) {
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		if ( keybuf[i].dwData & 0x80 ) {
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			posted = SDL_PrivateKeyboard(SDL_PRESSED,
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				    TranslateKey(keybuf[i].dwOfs, &keysym, 1));
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		} else {
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			posted = SDL_PrivateKeyboard(SDL_RELEASED,
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				    TranslateKey(keybuf[i].dwOfs, &keysym, 0));
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		}
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	}
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}
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static void handle_mouse(const int numevents, DIDEVICEOBJECTDATA *ptrbuf)
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{
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	int i;
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	Sint16 xrel, yrel;
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	Uint8 state;
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	Uint8 button;
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	/* If we are in windowed mode, Windows is taking care of the mouse */
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	if (  (SDL_PublicSurface->flags & SDL_OPENGL) ||
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	     !(SDL_PublicSurface->flags & SDL_FULLSCREEN) ) {
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		return;
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	}
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	/* If the mouse was lost, regain some sense of mouse state */
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	if ( mouse_lost ) {
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		POINT mouse_pos;
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		Uint8 old_state;
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		Uint8 new_state;
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		/* Set ourselves up with the current cursor position */
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		GetCursorPos(&mouse_pos);
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		ScreenToClient(SDL_Window, &mouse_pos);
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		posted = SDL_PrivateMouseMotion(0, 0,
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				(Sint16)mouse_pos.x, (Sint16)mouse_pos.y);
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		/* Check for mouse button changes */
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		old_state = SDL_GetMouseState(NULL, NULL);
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		new_state = 0;
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		{ /* Get the new DirectInput button state for the mouse */
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			DIMOUSESTATE distate;
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			HRESULT result;
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			result=IDirectInputDevice2_GetDeviceState(SDL_DIdev[1],
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						sizeof(distate), &distate);
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			if ( result != DI_OK ) {
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				/* Try again next time */
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				SetDIerror(
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				"IDirectInputDevice2::GetDeviceState", result);
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				return;
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			}
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			for ( i=3; i>=0; --i ) {
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				if ( (distate.rgbButtons[i]&0x80) == 0x80 ) {
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					new_state |= 0x01;
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				}
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				new_state <<= 1;
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			}
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		}
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		for ( i=0; i<8; ++i ) {
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			if ( (old_state&0x01) != (new_state&0x01) ) {
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				button = (Uint8)(i+1);
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				/* Button #2 on two button mice is button 3
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				   (the middle button is button 2)
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				 */
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				if ( button == 2 ) {
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					button = 3;
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				} else
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				if ( button == 3 ) {
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					button = 2;
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				}
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				if ( new_state & 0x01 ) {
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					/* Grab mouse so we get mouse-up */
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					if ( ++mouse_pressed > 0 ) {
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						SetCapture(SDL_Window);
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					}
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					state = SDL_PRESSED;
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				} else {
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					/* Release mouse after all mouse-ups */
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					if ( --mouse_pressed <= 0 ) {
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						ReleaseCapture();
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						mouse_pressed = 0;
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					}
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					state = SDL_RELEASED;
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				}
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				posted = SDL_PrivateMouseButton(state, button,
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									0, 0);
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			}
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			old_state >>= 1;
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			new_state >>= 1;
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		}
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		mouse_lost = 0;
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		return;
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   351
	}
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   352
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	/* Translate mouse messages */
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	xrel = 0;
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	yrel = 0;
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	for ( i=0; i<(int)numevents; ++i ) {
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		switch (ptrbuf[i].dwOfs) {
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			case DIMOFS_X:
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				xrel += (Sint16)ptrbuf[i].dwData;
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				break;
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			case DIMOFS_Y:
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				yrel += (Sint16)ptrbuf[i].dwData;
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   363
				break;
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   364
			case DIMOFS_Z:
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   365
				if ( xrel || yrel ) {
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					posted = SDL_PrivateMouseMotion(
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							0, 1, xrel, yrel);
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					xrel = 0;
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					yrel = 0;
slouken@61
   370
				}
slouken@61
   371
				if((int)ptrbuf[i].dwData > 0)
slouken@460
   372
					button = SDL_BUTTON_WHEELUP;
slouken@332
   373
				else
slouken@460
   374
					button = SDL_BUTTON_WHEELDOWN;
slouken@460
   375
				posted = SDL_PrivateMouseButton(
slouken@332
   376
						SDL_PRESSED, button, 0, 0);
slouken@332
   377
				posted |= SDL_PrivateMouseButton(
slouken@332
   378
						SDL_RELEASED, button, 0, 0);
slouken@61
   379
				break;
slouken@0
   380
			case DIMOFS_BUTTON0:
slouken@0
   381
			case DIMOFS_BUTTON1:
slouken@0
   382
			case DIMOFS_BUTTON2:
slouken@0
   383
			case DIMOFS_BUTTON3:
slouken@0
   384
				if ( xrel || yrel ) {
slouken@0
   385
					posted = SDL_PrivateMouseMotion(
slouken@0
   386
							0, 1, xrel, yrel);
slouken@0
   387
					xrel = 0;
slouken@0
   388
					yrel = 0;
slouken@0
   389
				}
slouken@0
   390
				button = (Uint8)(ptrbuf[i].dwOfs-DIMOFS_BUTTON0)+1;
slouken@0
   391
				/* Button #2 on two button mice is button 3
slouken@0
   392
				   (the middle button is button 2)
slouken@0
   393
				 */
slouken@0
   394
				if ( button == 2 ) {
slouken@0
   395
					button = 3;
slouken@0
   396
				} else
slouken@0
   397
				if ( button == 3 ) {
slouken@0
   398
					button = 2;
slouken@0
   399
				}
slouken@0
   400
				if ( ptrbuf[i].dwData & 0x80 ) {
slouken@0
   401
					/* Grab mouse so we get mouse-up */
slouken@0
   402
					if ( ++mouse_pressed > 0 ) {
slouken@0
   403
						SetCapture(SDL_Window);
slouken@0
   404
					}
slouken@0
   405
					state = SDL_PRESSED;
slouken@0
   406
				} else {
slouken@0
   407
					/* Release mouse after all mouse-ups */
slouken@0
   408
					if ( --mouse_pressed <= 0 ) {
slouken@0
   409
						ReleaseCapture();
slouken@0
   410
						mouse_pressed = 0;
slouken@0
   411
					}
slouken@0
   412
					state = SDL_RELEASED;
slouken@0
   413
				}
slouken@0
   414
				posted = SDL_PrivateMouseButton(state, button,
slouken@0
   415
									0, 0);
slouken@0
   416
				break;
slouken@0
   417
		}
slouken@0
   418
	}
slouken@0
   419
	if ( xrel || yrel ) {
slouken@0
   420
		posted = SDL_PrivateMouseMotion( 0, 1, xrel, yrel);
slouken@0
   421
	}
slouken@0
   422
}
slouken@0
   423
slouken@0
   424
/* The main Win32 event handler */
slouken@0
   425
LONG
slouken@0
   426
 DX5_HandleMessage(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
slouken@0
   427
{
slouken@0
   428
	switch (msg) {
slouken@453
   429
#ifdef WM_ACTIVATEAPP
slouken@0
   430
		case WM_ACTIVATEAPP: {
slouken@0
   431
			int i, active;
slouken@0
   432
slouken@0
   433
			active = (wParam && (GetForegroundWindow() == hwnd));
slouken@0
   434
			if ( active ) {
slouken@0
   435
				for ( i=0; SDL_DIdev[i]; ++i ) {
slouken@0
   436
					IDirectInputDevice2_Acquire(
slouken@0
   437
								SDL_DIdev[i]);
slouken@0
   438
				}
slouken@0
   439
			} else {
slouken@0
   440
				for ( i=0; SDL_DIdev[i]; ++i ) {
slouken@0
   441
					IDirectInputDevice2_Unacquire(
slouken@0
   442
								SDL_DIdev[i]);
slouken@0
   443
				}
slouken@0
   444
				mouse_lost = 1;
slouken@0
   445
			}
slouken@0
   446
		}
slouken@0
   447
		break;
slouken@453
   448
#endif /* WM_ACTIVATEAPP */
slouken@0
   449
slouken@453
   450
#ifdef WM_DISPLAYCHANGE
slouken@0
   451
		case WM_DISPLAYCHANGE: {
slouken@0
   452
			WORD BitsPerPixel;
slouken@0
   453
			WORD SizeX, SizeY;
slouken@0
   454
slouken@0
   455
			/* Ack!  The display changed size and/or depth! */
slouken@0
   456
			SizeX = LOWORD(lParam);
slouken@0
   457
			SizeY = HIWORD(lParam);
slouken@0
   458
			BitsPerPixel = wParam;
slouken@0
   459
			/* We cause this message when we go fullscreen */
slouken@0
   460
		}
slouken@0
   461
		break;
slouken@453
   462
#endif /* WM_DISPLAYCHANGE */
slouken@0
   463
slouken@0
   464
		/* The keyboard is handled via DirectInput */
slouken@0
   465
		case WM_SYSKEYUP:
slouken@0
   466
		case WM_SYSKEYDOWN:
slouken@0
   467
		case WM_KEYUP:
slouken@0
   468
		case WM_KEYDOWN: {
slouken@0
   469
			/* Ignore windows keyboard messages */;
slouken@0
   470
		}
slouken@0
   471
		return(0);
slouken@0
   472
slouken@453
   473
#if defined(SC_SCREENSAVE) || defined(SC_MONITORPOWER)
slouken@0
   474
		/* Don't allow screen savers or monitor power downs.
slouken@0
   475
		   This is because they quietly clear DirectX surfaces.
slouken@0
   476
		   It would be better to allow the application to
slouken@0
   477
		   decide whether or not to blow these off, but the
slouken@0
   478
		   semantics of SDL_PrivateSysWMEvent() don't allow
slouken@0
   479
		   the application that choice.
slouken@0
   480
		 */
slouken@0
   481
		case WM_SYSCOMMAND: {
slouken@0
   482
			if ((wParam&0xFFF0)==SC_SCREENSAVE || 
slouken@0
   483
			    (wParam&0xFFF0)==SC_MONITORPOWER)
slouken@0
   484
				return(0);
slouken@0
   485
		}
slouken@453
   486
		/* Fall through to default processing */
slouken@453
   487
slouken@453
   488
#endif /* SC_SCREENSAVE || SC_MONITORPOWER */
slouken@0
   489
slouken@0
   490
		default: {
slouken@0
   491
			/* Only post the event if we're watching for it */
slouken@0
   492
			if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) {
slouken@0
   493
			        SDL_SysWMmsg wmmsg;
slouken@0
   494
slouken@0
   495
				SDL_VERSION(&wmmsg.version);
slouken@0
   496
				wmmsg.hwnd = hwnd;
slouken@0
   497
				wmmsg.msg = msg;
slouken@0
   498
				wmmsg.wParam = wParam;
slouken@0
   499
				wmmsg.lParam = lParam;
slouken@0
   500
				posted = SDL_PrivateSysWMEvent(&wmmsg);
slouken@145
   501
slouken@145
   502
         /* DJM: If the user isn't watching for private messages in her
slouken@145
   503
            SDL event loop, then pass it along to any win32 specific
slouken@145
   504
            window proc.
slouken@145
   505
          */
slouken@145
   506
         } else if (userWindowProc) {
slouken@145
   507
            return userWindowProc(hwnd, msg, wParam, lParam);
slouken@145
   508
         }
slouken@0
   509
		}
slouken@0
   510
		break;
slouken@0
   511
	}
slouken@0
   512
	return(DefWindowProc(hwnd, msg, wParam, lParam));
slouken@0
   513
}
slouken@0
   514
slouken@0
   515
/* This function checks the windows message queue and DirectInput and returns
slouken@0
   516
   1 if there was input, 0 if there was no input, or -1 if the application has
slouken@0
   517
   posted a quit message.
slouken@0
   518
*/
slouken@460
   519
static int DX5_CheckInput(_THIS, int timeout, BOOL processInput)
slouken@0
   520
{
slouken@0
   521
	MSG msg;
slouken@0
   522
	int      i;
slouken@0
   523
	HRESULT  result;
slouken@0
   524
	DWORD    event;
slouken@0
   525
slouken@0
   526
	/* Check the normal windows queue (highest preference) */
slouken@0
   527
	posted = 0;
slouken@0
   528
	while ( ! posted &&
slouken@0
   529
	        PeekMessage(&msg, NULL, 0, (WM_APP-1), PM_NOREMOVE) ) {
slouken@0
   530
		if ( GetMessage(&msg, NULL, 0, (WM_APP-1)) > 0 ) {
slouken@0
   531
			DispatchMessage(&msg);
slouken@0
   532
		} else {
slouken@0
   533
			return(-1);
slouken@0
   534
		}
slouken@0
   535
	}
slouken@0
   536
	if ( posted ) {
slouken@0
   537
		return(1);
slouken@0
   538
	}
slouken@0
   539
slouken@0
   540
	/* Pump the DirectInput flow */
slouken@0
   541
	if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) {
slouken@0
   542
		for ( i=0; i<SDL_DIndev; ++i ) {
slouken@0
   543
			result = IDirectInputDevice2_Poll(SDL_DIdev[i]);
slouken@0
   544
			if ( (result == DIERR_INPUTLOST) ||
slouken@0
   545
					(result == DIERR_NOTACQUIRED) ) {
slouken@0
   546
				if ( strcmp(inputs[i].name, "mouse") == 0 ) {
slouken@0
   547
					mouse_lost = 1;
slouken@0
   548
				}
slouken@0
   549
				IDirectInputDevice2_Acquire(SDL_DIdev[i]);
slouken@0
   550
				IDirectInputDevice2_Poll(SDL_DIdev[i]);
slouken@0
   551
			}
slouken@0
   552
		}
slouken@0
   553
	}
slouken@0
   554
slouken@0
   555
	/* Wait for messages and input events */
slouken@0
   556
	event = MsgWaitForMultipleObjects(SDL_DIndev, SDL_DIevt, FALSE,
slouken@0
   557
							timeout, QS_ALLEVENTS);
slouken@0
   558
	if ((event >= WAIT_OBJECT_0) && (event < (WAIT_OBJECT_0+SDL_DIndev))) {
slouken@0
   559
		DWORD numevents;
slouken@0
   560
		DIDEVICEOBJECTDATA evtbuf[INPUT_QSIZE];
slouken@0
   561
slouken@0
   562
		event -= WAIT_OBJECT_0;
slouken@0
   563
		numevents = INPUT_QSIZE;
slouken@0
   564
		result = IDirectInputDevice2_GetDeviceData(
slouken@0
   565
				SDL_DIdev[event], sizeof(DIDEVICEOBJECTDATA),
slouken@0
   566
							evtbuf, &numevents, 0);
slouken@0
   567
		if ( (result == DIERR_INPUTLOST) ||
slouken@0
   568
					(result == DIERR_NOTACQUIRED) ) {
slouken@0
   569
			if ( strcmp(inputs[event].name, "mouse") == 0 ) {
slouken@0
   570
				mouse_lost = 1;
slouken@0
   571
			}
slouken@0
   572
			IDirectInputDevice2_Acquire(SDL_DIdev[event]);
slouken@0
   573
			result = IDirectInputDevice2_GetDeviceData(
slouken@0
   574
				SDL_DIdev[event], sizeof(DIDEVICEOBJECTDATA),
slouken@0
   575
							evtbuf, &numevents, 0);
slouken@0
   576
		}
slouken@0
   577
		/* Handle the events */
slouken@460
   578
		if ( result == DI_OK && processInput ) {
slouken@0
   579
			/* Note: This can post multiple events to event queue
slouken@0
   580
			 */
slouken@0
   581
			(*SDL_DIfun[event])((int)numevents, evtbuf);
slouken@0
   582
			return(1);
slouken@0
   583
		}
slouken@0
   584
	}
slouken@0
   585
	if ( event != WAIT_TIMEOUT ) {
slouken@0
   586
		/* Maybe there was a windows message? */
slouken@0
   587
		if ( PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) ) {
slouken@0
   588
			if ( GetMessage(&msg, NULL, 0, 0) > 0 ) {
slouken@0
   589
				DispatchMessage(&msg);
slouken@0
   590
			} else {
slouken@0
   591
				return(-1);
slouken@0
   592
			}
slouken@0
   593
			return(1);
slouken@0
   594
		}
slouken@0
   595
	}
slouken@0
   596
	return(0);
slouken@0
   597
}
slouken@0
   598
slouken@460
   599
/* Change cooperative level based on whether or not we are fullscreen */
slouken@460
   600
void DX5_DInputReset(_THIS, int fullscreen)
slouken@460
   601
{
slouken@460
   602
	DWORD level;
slouken@460
   603
	int i;
slouken@460
   604
	HRESULT result;
slouken@460
   605
slouken@460
   606
	for ( i=0; i<MAX_INPUTS; ++i ) {
slouken@460
   607
		if ( SDL_DIdev[i] != NULL ) {
slouken@460
   608
			if ( fullscreen ) {
slouken@460
   609
				level = inputs[i].raw_level;
slouken@460
   610
			} else {
slouken@460
   611
				level = inputs[i].win_level;
slouken@460
   612
			}
slouken@460
   613
			IDirectInputDevice2_Unacquire(SDL_DIdev[i]);
slouken@460
   614
			result = IDirectInputDevice2_SetCooperativeLevel(
slouken@460
   615
					SDL_DIdev[i], SDL_Window, level);
slouken@460
   616
			IDirectInputDevice2_Acquire(SDL_DIdev[i]);
slouken@460
   617
			if ( result != DI_OK ) {
slouken@460
   618
				SetDIerror(
slouken@460
   619
			"DirectInputDevice::SetCooperativeLevel", result);
slouken@460
   620
			}
slouken@460
   621
		}
slouken@460
   622
	}
slouken@460
   623
	mouse_lost = 1;
slouken@460
   624
slouken@460
   625
	/* Flush pending input */
slouken@460
   626
	DX5_CheckInput(this, 0, FALSE);
slouken@460
   627
}
slouken@460
   628
slouken@0
   629
void DX5_PumpEvents(_THIS)
slouken@0
   630
{
slouken@0
   631
	/* Wait for messages and DirectInput */
slouken@460
   632
	while ( DX5_CheckInput(this, 0, TRUE) > 0 ) {
slouken@0
   633
		/* Loop and check again */;
slouken@0
   634
	}
slouken@0
   635
}
slouken@0
   636
slouken@0
   637
void DX5_InitOSKeymap(_THIS)
slouken@0
   638
{
slouken@275
   639
#ifndef DIK_PAUSE
slouken@275
   640
#define DIK_PAUSE	0xC5
slouken@275
   641
#endif
slouken@327
   642
#ifndef DIK_OEM_102
slouken@327
   643
#define DIK_OEM_102	0x56	/* < > | on UK/Germany keyboards */
slouken@327
   644
#endif
slouken@0
   645
	int i;
slouken@0
   646
slouken@0
   647
	/* Map the DIK scancodes to SDL keysyms */
slouken@0
   648
	for ( i=0; i<SDL_TABLESIZE(DIK_keymap); ++i )
slouken@0
   649
		DIK_keymap[i] = 0;
slouken@0
   650
slouken@0
   651
	/* Defined DIK_* constants */
slouken@0
   652
	DIK_keymap[DIK_ESCAPE] = SDLK_ESCAPE;
slouken@0
   653
	DIK_keymap[DIK_1] = SDLK_1;
slouken@0
   654
	DIK_keymap[DIK_2] = SDLK_2;
slouken@0
   655
	DIK_keymap[DIK_3] = SDLK_3;
slouken@0
   656
	DIK_keymap[DIK_4] = SDLK_4;
slouken@0
   657
	DIK_keymap[DIK_5] = SDLK_5;
slouken@0
   658
	DIK_keymap[DIK_6] = SDLK_6;
slouken@0
   659
	DIK_keymap[DIK_7] = SDLK_7;
slouken@0
   660
	DIK_keymap[DIK_8] = SDLK_8;
slouken@0
   661
	DIK_keymap[DIK_9] = SDLK_9;
slouken@0
   662
	DIK_keymap[DIK_0] = SDLK_0;
slouken@0
   663
	DIK_keymap[DIK_MINUS] = SDLK_MINUS;
slouken@0
   664
	DIK_keymap[DIK_EQUALS] = SDLK_EQUALS;
slouken@0
   665
	DIK_keymap[DIK_BACK] = SDLK_BACKSPACE;
slouken@0
   666
	DIK_keymap[DIK_TAB] = SDLK_TAB;
slouken@0
   667
	DIK_keymap[DIK_Q] = SDLK_q;
slouken@0
   668
	DIK_keymap[DIK_W] = SDLK_w;
slouken@0
   669
	DIK_keymap[DIK_E] = SDLK_e;
slouken@0
   670
	DIK_keymap[DIK_R] = SDLK_r;
slouken@0
   671
	DIK_keymap[DIK_T] = SDLK_t;
slouken@0
   672
	DIK_keymap[DIK_Y] = SDLK_y;
slouken@0
   673
	DIK_keymap[DIK_U] = SDLK_u;
slouken@0
   674
	DIK_keymap[DIK_I] = SDLK_i;
slouken@0
   675
	DIK_keymap[DIK_O] = SDLK_o;
slouken@0
   676
	DIK_keymap[DIK_P] = SDLK_p;
slouken@0
   677
	DIK_keymap[DIK_LBRACKET] = SDLK_LEFTBRACKET;
slouken@0
   678
	DIK_keymap[DIK_RBRACKET] = SDLK_RIGHTBRACKET;
slouken@0
   679
	DIK_keymap[DIK_RETURN] = SDLK_RETURN;
slouken@0
   680
	DIK_keymap[DIK_LCONTROL] = SDLK_LCTRL;
slouken@0
   681
	DIK_keymap[DIK_A] = SDLK_a;
slouken@0
   682
	DIK_keymap[DIK_S] = SDLK_s;
slouken@0
   683
	DIK_keymap[DIK_D] = SDLK_d;
slouken@0
   684
	DIK_keymap[DIK_F] = SDLK_f;
slouken@0
   685
	DIK_keymap[DIK_G] = SDLK_g;
slouken@0
   686
	DIK_keymap[DIK_H] = SDLK_h;
slouken@0
   687
	DIK_keymap[DIK_J] = SDLK_j;
slouken@0
   688
	DIK_keymap[DIK_K] = SDLK_k;
slouken@0
   689
	DIK_keymap[DIK_L] = SDLK_l;
slouken@0
   690
	DIK_keymap[DIK_SEMICOLON] = SDLK_SEMICOLON;
slouken@0
   691
	DIK_keymap[DIK_APOSTROPHE] = SDLK_QUOTE;
slouken@0
   692
	DIK_keymap[DIK_GRAVE] = SDLK_BACKQUOTE;
slouken@0
   693
	DIK_keymap[DIK_LSHIFT] = SDLK_LSHIFT;
slouken@0
   694
	DIK_keymap[DIK_BACKSLASH] = SDLK_BACKSLASH;
slouken@327
   695
	DIK_keymap[DIK_OEM_102] = SDLK_BACKSLASH;
slouken@0
   696
	DIK_keymap[DIK_Z] = SDLK_z;
slouken@0
   697
	DIK_keymap[DIK_X] = SDLK_x;
slouken@0
   698
	DIK_keymap[DIK_C] = SDLK_c;
slouken@0
   699
	DIK_keymap[DIK_V] = SDLK_v;
slouken@0
   700
	DIK_keymap[DIK_B] = SDLK_b;
slouken@0
   701
	DIK_keymap[DIK_N] = SDLK_n;
slouken@0
   702
	DIK_keymap[DIK_M] = SDLK_m;
slouken@0
   703
	DIK_keymap[DIK_COMMA] = SDLK_COMMA;
slouken@0
   704
	DIK_keymap[DIK_PERIOD] = SDLK_PERIOD;
slouken@0
   705
	DIK_keymap[DIK_SLASH] = SDLK_SLASH;
slouken@0
   706
	DIK_keymap[DIK_RSHIFT] = SDLK_RSHIFT;
slouken@0
   707
	DIK_keymap[DIK_MULTIPLY] = SDLK_KP_MULTIPLY;
slouken@0
   708
	DIK_keymap[DIK_LMENU] = SDLK_LALT;
slouken@0
   709
	DIK_keymap[DIK_SPACE] = SDLK_SPACE;
slouken@0
   710
	DIK_keymap[DIK_CAPITAL] = SDLK_CAPSLOCK;
slouken@0
   711
	DIK_keymap[DIK_F1] = SDLK_F1;
slouken@0
   712
	DIK_keymap[DIK_F2] = SDLK_F2;
slouken@0
   713
	DIK_keymap[DIK_F3] = SDLK_F3;
slouken@0
   714
	DIK_keymap[DIK_F4] = SDLK_F4;
slouken@0
   715
	DIK_keymap[DIK_F5] = SDLK_F5;
slouken@0
   716
	DIK_keymap[DIK_F6] = SDLK_F6;
slouken@0
   717
	DIK_keymap[DIK_F7] = SDLK_F7;
slouken@0
   718
	DIK_keymap[DIK_F8] = SDLK_F8;
slouken@0
   719
	DIK_keymap[DIK_F9] = SDLK_F9;
slouken@0
   720
	DIK_keymap[DIK_F10] = SDLK_F10;
slouken@0
   721
	DIK_keymap[DIK_NUMLOCK] = SDLK_NUMLOCK;
slouken@0
   722
	DIK_keymap[DIK_SCROLL] = SDLK_SCROLLOCK;
slouken@0
   723
	DIK_keymap[DIK_NUMPAD7] = SDLK_KP7;
slouken@0
   724
	DIK_keymap[DIK_NUMPAD8] = SDLK_KP8;
slouken@0
   725
	DIK_keymap[DIK_NUMPAD9] = SDLK_KP9;
slouken@0
   726
	DIK_keymap[DIK_SUBTRACT] = SDLK_KP_MINUS;
slouken@0
   727
	DIK_keymap[DIK_NUMPAD4] = SDLK_KP4;
slouken@0
   728
	DIK_keymap[DIK_NUMPAD5] = SDLK_KP5;
slouken@0
   729
	DIK_keymap[DIK_NUMPAD6] = SDLK_KP6;
slouken@0
   730
	DIK_keymap[DIK_ADD] = SDLK_KP_PLUS;
slouken@0
   731
	DIK_keymap[DIK_NUMPAD1] = SDLK_KP1;
slouken@0
   732
	DIK_keymap[DIK_NUMPAD2] = SDLK_KP2;
slouken@0
   733
	DIK_keymap[DIK_NUMPAD3] = SDLK_KP3;
slouken@0
   734
	DIK_keymap[DIK_NUMPAD0] = SDLK_KP0;
slouken@0
   735
	DIK_keymap[DIK_DECIMAL] = SDLK_KP_PERIOD;
slouken@0
   736
	DIK_keymap[DIK_F11] = SDLK_F11;
slouken@0
   737
	DIK_keymap[DIK_F12] = SDLK_F12;
slouken@0
   738
slouken@0
   739
	DIK_keymap[DIK_F13] = SDLK_F13;
slouken@0
   740
	DIK_keymap[DIK_F14] = SDLK_F14;
slouken@0
   741
	DIK_keymap[DIK_F15] = SDLK_F15;
slouken@0
   742
slouken@0
   743
	DIK_keymap[DIK_NUMPADEQUALS] = SDLK_KP_EQUALS;
slouken@0
   744
	DIK_keymap[DIK_NUMPADENTER] = SDLK_KP_ENTER;
slouken@0
   745
	DIK_keymap[DIK_RCONTROL] = SDLK_RCTRL;
slouken@0
   746
	DIK_keymap[DIK_DIVIDE] = SDLK_KP_DIVIDE;
slouken@0
   747
	DIK_keymap[DIK_SYSRQ] = SDLK_SYSREQ;
slouken@0
   748
	DIK_keymap[DIK_RMENU] = SDLK_RALT;
slouken@290
   749
	DIK_keymap[DIK_PAUSE] = SDLK_PAUSE;
slouken@0
   750
	DIK_keymap[DIK_HOME] = SDLK_HOME;
slouken@0
   751
	DIK_keymap[DIK_UP] = SDLK_UP;
slouken@0
   752
	DIK_keymap[DIK_PRIOR] = SDLK_PAGEUP;
slouken@0
   753
	DIK_keymap[DIK_LEFT] = SDLK_LEFT;
slouken@0
   754
	DIK_keymap[DIK_RIGHT] = SDLK_RIGHT;
slouken@0
   755
	DIK_keymap[DIK_END] = SDLK_END;
slouken@0
   756
	DIK_keymap[DIK_DOWN] = SDLK_DOWN;
slouken@0
   757
	DIK_keymap[DIK_NEXT] = SDLK_PAGEDOWN;
slouken@0
   758
	DIK_keymap[DIK_INSERT] = SDLK_INSERT;
slouken@0
   759
	DIK_keymap[DIK_DELETE] = SDLK_DELETE;
slouken@0
   760
	DIK_keymap[DIK_LWIN] = SDLK_LMETA;
slouken@0
   761
	DIK_keymap[DIK_RWIN] = SDLK_RMETA;
slouken@0
   762
	DIK_keymap[DIK_APPS] = SDLK_MENU;
slouken@0
   763
}
slouken@0
   764
slouken@0
   765
static SDL_keysym *TranslateKey(UINT scancode, SDL_keysym *keysym, int pressed)
slouken@0
   766
{
slouken@0
   767
	/* Set the keysym information */
slouken@0
   768
	keysym->scancode = (unsigned char)scancode;
slouken@0
   769
	keysym->sym = DIK_keymap[scancode];
slouken@0
   770
	keysym->mod = KMOD_NONE;
slouken@0
   771
	keysym->unicode = 0;
slouken@0
   772
	if ( pressed && SDL_TranslateUNICODE ) { /* Someday use ToUnicode() */
slouken@0
   773
		UINT vkey;
slouken@453
   774
#ifndef NO_GETKEYBOARDSTATE
slouken@0
   775
		BYTE keystate[256];
slouken@0
   776
		BYTE chars[2];
slouken@453
   777
#endif
slouken@0
   778
slouken@0
   779
		vkey = MapVirtualKey(scancode, 1);
slouken@453
   780
#ifdef NO_GETKEYBOARDSTATE
slouken@453
   781
		/* Uh oh, better hope the vkey is close enough.. */
slouken@453
   782
		keysym->unicode = vkey;
slouken@453
   783
#else
slouken@0
   784
		GetKeyboardState(keystate);
slouken@0
   785
		if ( ToAscii(vkey,scancode,keystate,(WORD *)chars,0) == 1 ) {
slouken@0
   786
			keysym->unicode = chars[0];
slouken@0
   787
		}
slouken@453
   788
#endif
slouken@0
   789
	}
slouken@0
   790
	return(keysym);
slouken@0
   791
}
slouken@0
   792
slouken@0
   793
int DX5_CreateWindow(_THIS)
slouken@0
   794
{
slouken@0
   795
	int i;
slouken@0
   796
slouken@0
   797
	/* Clear out DirectInput variables in case we fail */
slouken@0
   798
	for ( i=0; i<MAX_INPUTS; ++i ) {
slouken@0
   799
		SDL_DIdev[i] = NULL;
slouken@0
   800
		SDL_DIevt[i] = NULL;
slouken@0
   801
		SDL_DIfun[i] = NULL;
slouken@0
   802
	}
slouken@0
   803
slouken@453
   804
#ifndef CS_BYTEALIGNCLIENT
slouken@453
   805
#define CS_BYTEALIGNCLIENT	0
slouken@453
   806
#endif
slouken@0
   807
	SDL_RegisterApp("SDL_app", CS_BYTEALIGNCLIENT, 0);
slouken@0
   808
	if ( SDL_windowid ) {
slouken@0
   809
		SDL_Window = (HWND)strtol(SDL_windowid, NULL, 0);
slouken@145
   810
slouken@458
   811
		/* DJM: we want all event's for the user specified
slouken@458
   812
		   window to be handled by SDL.
slouken@458
   813
		 */
slouken@458
   814
		if (SDL_Window) {
slouken@458
   815
			userWindowProc = (WNDPROC)GetWindowLong(SDL_Window, GWL_WNDPROC);
slouken@458
   816
			SetWindowLong(SDL_Window, GWL_WNDPROC, (LONG)WinMessage);
slouken@458
   817
		}
slouken@0
   818
	} else {
slouken@0
   819
		SDL_Window = CreateWindow(SDL_Appname, SDL_Appname,
slouken@0
   820
                        (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX),
slouken@0
   821
                                 0, 0, 0, 0, NULL, NULL, SDL_Instance, NULL);
slouken@0
   822
		if ( SDL_Window == NULL ) {
slouken@0
   823
			SDL_SetError("Couldn't create window");
slouken@0
   824
			return(-1);
slouken@0
   825
		}
slouken@0
   826
		ShowWindow(SDL_Window, SW_HIDE);
slouken@0
   827
	}
slouken@0
   828
slouken@0
   829
	/* Initialize DirectInput */
slouken@0
   830
	if ( DX5_DInputInit(this) < 0 ) {
slouken@0
   831
		return(-1);
slouken@0
   832
	}
slouken@0
   833
slouken@0
   834
	/* Ready to roll */
slouken@0
   835
	return(0);
slouken@0
   836
}
slouken@0
   837
slouken@0
   838
void DX5_DestroyWindow(_THIS)
slouken@0
   839
{
slouken@0
   840
	/* Close down DirectInput */
slouken@0
   841
	DX5_DInputQuit(this);
slouken@0
   842
slouken@0
   843
	/* Destroy our window */
slouken@0
   844
	DestroyWindow(SDL_Window);
slouken@0
   845
}