src/video/windib/SDL_dibevents.c
author Sam Lantinga <slouken@libsdl.org>
Thu, 09 Aug 2001 05:51:34 +0000
changeset 140 3c35d8f160bd
parent 112 9ef74357a5fb
child 145 29a638dc26db
permissions -rw-r--r--
Fixed compiling on Windows CE
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997, 1998, 1999, 2000, 2001  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@devolution.com
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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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#include <stdlib.h>
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#include <stdio.h>
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#include <windows.h>
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#include "SDL_events.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_dibvideo.h"
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#include "SDL_vkeys.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 translation table from a Microsoft VK keysym to a SDL keysym */
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static SDLKey VK_keymap[SDLK_LAST];
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static SDL_keysym *TranslateKey(UINT vkey, UINT scancode, SDL_keysym *keysym, int pressed);
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/* Masks for processing the windows KEYDOWN and KEYUP messages */
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#define REPEATED_KEYMASK	(1<<30)
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#define EXTENDED_KEYMASK	(1<<24)
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/* The main Win32 event handler */
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LONG
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 DIB_HandleMessage(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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	extern int posted;
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	switch (msg) {
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		case WM_SYSKEYDOWN:
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		case WM_KEYDOWN: {
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			SDL_keysym keysym;
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			/* Ignore repeated keys */
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			if ( lParam&REPEATED_KEYMASK ) {
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				return(0);
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			}
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			switch (wParam) {
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				case VK_CONTROL:
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					if ( lParam&EXTENDED_KEYMASK )
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						wParam = VK_RCONTROL;
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					else
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						wParam = VK_LCONTROL;
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					break;
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				case VK_SHIFT:
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					/* EXTENDED trick doesn't work here */
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					wParam = VK_LSHIFT;
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					break;
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				case VK_MENU:
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					if ( lParam&EXTENDED_KEYMASK )
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						wParam = VK_RMENU;
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					else
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						wParam = VK_LMENU;
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					break;
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			}
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#ifdef NO_GETKEYBOARDSTATE
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			/* this is the workaround for the missing ToAscii() and ToUnicode() in CE (not necessary at KEYUP!) */
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			if ( SDL_TranslateUNICODE ) {
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				MSG m;
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				m.hwnd = hwnd;
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				m.message = msg;
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				m.wParam = wParam;
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				m.lParam = lParam;
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				m.time = 0;
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				if ( TranslateMessage(&m) && PeekMessage(&m, hwnd, 0, WM_USER, PM_NOREMOVE) && (m.message == WM_CHAR) ) {
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					GetMessage(&m, hwnd, 0, WM_USER);
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			    		wParam = m.wParam;
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				} else {
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					wParam = 0;
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				}
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			} else {
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				wParam = 0;
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			}
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#endif /* NO_GETKEYBOARDSTATE */
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			posted = SDL_PrivateKeyboard(SDL_PRESSED,
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				TranslateKey(wParam,HIWORD(lParam),&keysym,1));
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		}
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		return(0);
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		case WM_SYSKEYUP:
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		case WM_KEYUP: {
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			SDL_keysym keysym;
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			switch (wParam) {
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				case VK_CONTROL:
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					if ( lParam&EXTENDED_KEYMASK )
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						wParam = VK_RCONTROL;
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					else
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						wParam = VK_LCONTROL;
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					break;
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				case VK_SHIFT:
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					/* EXTENDED trick doesn't work here */
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					wParam = VK_LSHIFT;
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					break;
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				case VK_MENU:
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					if ( lParam&EXTENDED_KEYMASK )
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						wParam = VK_RMENU;
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					else
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						wParam = VK_LMENU;
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					break;
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			}
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			posted = SDL_PrivateKeyboard(SDL_RELEASED,
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				TranslateKey(wParam,HIWORD(lParam),&keysym,0));
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		}
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		return(0);
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		default: {
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			/* Only post the event if we're watching for it */
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			if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) {
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			        SDL_SysWMmsg wmmsg;
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				SDL_VERSION(&wmmsg.version);
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				wmmsg.hwnd = hwnd;
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				wmmsg.msg = msg;
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				wmmsg.wParam = wParam;
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				wmmsg.lParam = lParam;
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				posted = SDL_PrivateSysWMEvent(&wmmsg);
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			}
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		}
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		break;
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	}
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	return(DefWindowProc(hwnd, msg, wParam, lParam));
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}
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   159
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void DIB_PumpEvents(_THIS)
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{
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	MSG msg;
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   163
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	while ( PeekMessage(&msg, NULL, 0, (WM_APP-1), PM_NOREMOVE) ) {
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		if ( GetMessage(&msg, NULL, 0, (WM_APP-1)) > 0 ) {
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			DispatchMessage(&msg);
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		}
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	}
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   169
}
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   170
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   171
void DIB_InitOSKeymap(_THIS)
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{
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	int i;
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   174
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	/* Map the VK keysyms */
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	for ( i=0; i<SDL_TABLESIZE(VK_keymap); ++i )
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		VK_keymap[i] = SDLK_UNKNOWN;
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   178
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	VK_keymap[VK_BACK] = SDLK_BACKSPACE;
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	VK_keymap[VK_TAB] = SDLK_TAB;
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   181
	VK_keymap[VK_CLEAR] = SDLK_CLEAR;
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   182
	VK_keymap[VK_RETURN] = SDLK_RETURN;
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   183
	VK_keymap[VK_PAUSE] = SDLK_PAUSE;
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   184
	VK_keymap[VK_ESCAPE] = SDLK_ESCAPE;
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   185
	VK_keymap[VK_SPACE] = SDLK_SPACE;
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   186
	VK_keymap[VK_APOSTROPHE] = SDLK_QUOTE;
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   187
	VK_keymap[VK_COMMA] = SDLK_COMMA;
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   188
	VK_keymap[VK_MINUS] = SDLK_MINUS;
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   189
	VK_keymap[VK_PERIOD] = SDLK_PERIOD;
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   190
	VK_keymap[VK_SLASH] = SDLK_SLASH;
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   191
	VK_keymap[VK_0] = SDLK_0;
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   192
	VK_keymap[VK_1] = SDLK_1;
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   193
	VK_keymap[VK_2] = SDLK_2;
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   194
	VK_keymap[VK_3] = SDLK_3;
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   195
	VK_keymap[VK_4] = SDLK_4;
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   196
	VK_keymap[VK_5] = SDLK_5;
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   197
	VK_keymap[VK_6] = SDLK_6;
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   198
	VK_keymap[VK_7] = SDLK_7;
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   199
	VK_keymap[VK_8] = SDLK_8;
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   200
	VK_keymap[VK_9] = SDLK_9;
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   201
	VK_keymap[VK_SEMICOLON] = SDLK_SEMICOLON;
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   202
	VK_keymap[VK_EQUALS] = SDLK_EQUALS;
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   203
	VK_keymap[VK_LBRACKET] = SDLK_LEFTBRACKET;
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   204
	VK_keymap[VK_BACKSLASH] = SDLK_BACKSLASH;
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   205
	VK_keymap[VK_RBRACKET] = SDLK_RIGHTBRACKET;
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   206
	VK_keymap[VK_GRAVE] = SDLK_BACKQUOTE;
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   207
	VK_keymap[VK_A] = SDLK_a;
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   208
	VK_keymap[VK_B] = SDLK_b;
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diff changeset
   209
	VK_keymap[VK_C] = SDLK_c;
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   210
	VK_keymap[VK_D] = SDLK_d;
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   211
	VK_keymap[VK_E] = SDLK_e;
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   212
	VK_keymap[VK_F] = SDLK_f;
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   213
	VK_keymap[VK_G] = SDLK_g;
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   214
	VK_keymap[VK_H] = SDLK_h;
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   215
	VK_keymap[VK_I] = SDLK_i;
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   216
	VK_keymap[VK_J] = SDLK_j;
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   217
	VK_keymap[VK_K] = SDLK_k;
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   218
	VK_keymap[VK_L] = SDLK_l;
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   219
	VK_keymap[VK_M] = SDLK_m;
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   220
	VK_keymap[VK_N] = SDLK_n;
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   221
	VK_keymap[VK_O] = SDLK_o;
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   222
	VK_keymap[VK_P] = SDLK_p;
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   223
	VK_keymap[VK_Q] = SDLK_q;
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   224
	VK_keymap[VK_R] = SDLK_r;
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   225
	VK_keymap[VK_S] = SDLK_s;
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   226
	VK_keymap[VK_T] = SDLK_t;
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   227
	VK_keymap[VK_U] = SDLK_u;
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   228
	VK_keymap[VK_V] = SDLK_v;
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   229
	VK_keymap[VK_W] = SDLK_w;
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   230
	VK_keymap[VK_X] = SDLK_x;
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   231
	VK_keymap[VK_Y] = SDLK_y;
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   232
	VK_keymap[VK_Z] = SDLK_z;
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   233
	VK_keymap[VK_DELETE] = SDLK_DELETE;
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   234
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   235
	VK_keymap[VK_NUMPAD0] = SDLK_KP0;
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   236
	VK_keymap[VK_NUMPAD1] = SDLK_KP1;
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   237
	VK_keymap[VK_NUMPAD2] = SDLK_KP2;
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   238
	VK_keymap[VK_NUMPAD3] = SDLK_KP3;
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   239
	VK_keymap[VK_NUMPAD4] = SDLK_KP4;
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   240
	VK_keymap[VK_NUMPAD5] = SDLK_KP5;
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   241
	VK_keymap[VK_NUMPAD6] = SDLK_KP6;
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   242
	VK_keymap[VK_NUMPAD7] = SDLK_KP7;
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   243
	VK_keymap[VK_NUMPAD8] = SDLK_KP8;
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   244
	VK_keymap[VK_NUMPAD9] = SDLK_KP9;
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   245
	VK_keymap[VK_DECIMAL] = SDLK_KP_PERIOD;
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diff changeset
   246
	VK_keymap[VK_DIVIDE] = SDLK_KP_DIVIDE;
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diff changeset
   247
	VK_keymap[VK_MULTIPLY] = SDLK_KP_MULTIPLY;
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   248
	VK_keymap[VK_SUBTRACT] = SDLK_KP_MINUS;
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diff changeset
   249
	VK_keymap[VK_ADD] = SDLK_KP_PLUS;
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diff changeset
   250
74212992fb08 Initial revision
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   251
	VK_keymap[VK_UP] = SDLK_UP;
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diff changeset
   252
	VK_keymap[VK_DOWN] = SDLK_DOWN;
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diff changeset
   253
	VK_keymap[VK_RIGHT] = SDLK_RIGHT;
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diff changeset
   254
	VK_keymap[VK_LEFT] = SDLK_LEFT;
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diff changeset
   255
	VK_keymap[VK_INSERT] = SDLK_INSERT;
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diff changeset
   256
	VK_keymap[VK_HOME] = SDLK_HOME;
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diff changeset
   257
	VK_keymap[VK_END] = SDLK_END;
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diff changeset
   258
	VK_keymap[VK_PRIOR] = SDLK_PAGEUP;
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diff changeset
   259
	VK_keymap[VK_NEXT] = SDLK_PAGEDOWN;
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diff changeset
   260
74212992fb08 Initial revision
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diff changeset
   261
	VK_keymap[VK_F1] = SDLK_F1;
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diff changeset
   262
	VK_keymap[VK_F2] = SDLK_F2;
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diff changeset
   263
	VK_keymap[VK_F3] = SDLK_F3;
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diff changeset
   264
	VK_keymap[VK_F4] = SDLK_F4;
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diff changeset
   265
	VK_keymap[VK_F5] = SDLK_F5;
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diff changeset
   266
	VK_keymap[VK_F6] = SDLK_F6;
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diff changeset
   267
	VK_keymap[VK_F7] = SDLK_F7;
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diff changeset
   268
	VK_keymap[VK_F8] = SDLK_F8;
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diff changeset
   269
	VK_keymap[VK_F9] = SDLK_F9;
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diff changeset
   270
	VK_keymap[VK_F10] = SDLK_F10;
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diff changeset
   271
	VK_keymap[VK_F11] = SDLK_F11;
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diff changeset
   272
	VK_keymap[VK_F12] = SDLK_F12;
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diff changeset
   273
	VK_keymap[VK_F13] = SDLK_F13;
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diff changeset
   274
	VK_keymap[VK_F14] = SDLK_F14;
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diff changeset
   275
	VK_keymap[VK_F15] = SDLK_F15;
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diff changeset
   276
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   277
	VK_keymap[VK_NUMLOCK] = SDLK_NUMLOCK;
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diff changeset
   278
	VK_keymap[VK_CAPITAL] = SDLK_CAPSLOCK;
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diff changeset
   279
	VK_keymap[VK_SCROLL] = SDLK_SCROLLOCK;
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parents:
diff changeset
   280
	VK_keymap[VK_RSHIFT] = SDLK_RSHIFT;
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parents:
diff changeset
   281
	VK_keymap[VK_LSHIFT] = SDLK_LSHIFT;
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parents:
diff changeset
   282
	VK_keymap[VK_RCONTROL] = SDLK_RCTRL;
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parents:
diff changeset
   283
	VK_keymap[VK_LCONTROL] = SDLK_LCTRL;
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parents:
diff changeset
   284
	VK_keymap[VK_RMENU] = SDLK_RALT;
74212992fb08 Initial revision
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parents:
diff changeset
   285
	VK_keymap[VK_LMENU] = SDLK_LALT;
74212992fb08 Initial revision
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parents:
diff changeset
   286
	VK_keymap[VK_RWIN] = SDLK_RSUPER;
74212992fb08 Initial revision
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parents:
diff changeset
   287
	VK_keymap[VK_LWIN] = SDLK_LSUPER;
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diff changeset
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	VK_keymap[VK_HELP] = SDLK_HELP;
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#ifdef VK_PRINT
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	VK_keymap[VK_PRINT] = SDLK_PRINT;
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#endif
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	VK_keymap[VK_SNAPSHOT] = SDLK_PRINT;
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	VK_keymap[VK_CANCEL] = SDLK_BREAK;
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	VK_keymap[VK_APPS] = SDLK_MENU;
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}
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static SDL_keysym *TranslateKey(UINT vkey, UINT scancode, SDL_keysym *keysym, int pressed)
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{
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	/* Set the keysym information */
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	keysym->scancode = (unsigned char) scancode;
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	keysym->sym = VK_keymap[vkey];
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	keysym->mod = KMOD_NONE;
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	keysym->unicode = 0;
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	if ( pressed && SDL_TranslateUNICODE ) { /* Someday use ToUnicode() */
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#ifdef NO_GETKEYBOARDSTATE
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		/* Uh oh, better hope the vkey is close enough.. */
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		keysym->unicode = vkey;
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#else
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		BYTE keystate[256];
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		BYTE chars[2];
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		GetKeyboardState(keystate);
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		if ( ToAscii(vkey,scancode,keystate,(WORD *)chars,0) == 1 ) {
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			keysym->unicode = chars[0];
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		}
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#endif /* NO_GETKEYBOARDSTATE */
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	}
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	return(keysym);
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}
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int DIB_CreateWindow(_THIS)
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{
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#ifdef _WIN32_WCE
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	/* WinCE uses the UNICODE version */
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	int nLen = strlen(SDL_Appname)+1;
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	LPWSTR lpszW = alloca(nLen*2);
0
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	MultiByteToWideChar(CP_ACP, 0, SDL_Appname, -1, lpszW, nLen);
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	SDL_RegisterApp("SDL_app", 0, 0);
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	SDL_Window = CreateWindow(lpszW, lpszW, WS_VISIBLE,
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                                  0, 0, 0, 0, NULL, NULL, SDL_Instance, NULL);
0
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	if ( SDL_Window == NULL ) {
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		SDL_SetError("Couldn't create window");
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		return(-1);
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	}
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	ShowWindow(SDL_Window, SW_HIDE);
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#else
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	SDL_RegisterApp("SDL_app", CS_BYTEALIGNCLIENT, 0);
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	if ( SDL_windowid ) {
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		SDL_Window = (HWND)strtol(SDL_windowid, NULL, 0);
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	} else {
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		SDL_Window = CreateWindow(SDL_Appname, SDL_Appname,
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                        (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX),
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                                 0, 0, 0, 0, NULL, NULL, SDL_Instance, NULL);
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		if ( SDL_Window == NULL ) {
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			SDL_SetError("Couldn't create window");
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			return(-1);
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		}
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		ShowWindow(SDL_Window, SW_HIDE);
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	}
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#endif /* _WIN32_WCE */
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	return(0);
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}
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void DIB_DestroyWindow(_THIS)
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{
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	if ( SDL_windowid == NULL ) {
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		DestroyWindow(SDL_Window);
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	}
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}