src/video/wincommon/SDL_sysevents.c
author Sam Lantinga <slouken@lokigames.com>
Thu, 26 Apr 2001 16:45:43 +0000
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997, 1998, 1999  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_getenv.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_sysvideo.h"
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#include "SDL_lowvideo.h"
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#include "SDL_syswm_c.h"
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#include "SDL_main.h"
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#ifdef WMMSG_DEBUG
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#include "wmmsg.h"
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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 window we use for everything... */
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const char *SDL_Appname = NULL;
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HINSTANCE SDL_Instance = NULL;
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HWND SDL_Window = NULL;
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RECT SDL_bounds = {0, 0, 0, 0};
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int SDL_resizing = 0;
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int mouse_relative = 0;
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int posted = 0;
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/* Functions called by the message processing function */
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LONG
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(*HandleMessage)(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)=NULL;
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void (*WIN_RealizePalette)(_THIS);
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void (*WIN_PaletteChanged)(_THIS, HWND window);
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void (*WIN_SwapGamma)(_THIS);
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void (*WIN_WinPAINT)(_THIS, HDC hdc);
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#ifdef WM_MOUSELEAVE
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/* 
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   Special code to handle mouse leave events - this sucks...
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   http://support.microsoft.com/support/kb/articles/q183/1/07.asp
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   TrackMouseEvent() is only available on Win98 and WinNT.
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   _TrackMouseEvent() is available on Win95, but isn't yet in the mingw32
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   development environment, and only works on systems that have had IE 3.0
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   or newer installed on them (which is not the case with the base Win95).
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   Therefore, we implement our own version of _TrackMouseEvent() which
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   uses our own implementation if TrackMouseEvent() is not available.
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*/
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static BOOL (WINAPI *_TrackMouseEvent)(TRACKMOUSEEVENT *ptme) = NULL;
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static VOID CALLBACK
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TrackMouseTimerProc(HWND hWnd, UINT uMsg, UINT idEvent, DWORD dwTime)
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{
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	RECT rect;
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	POINT pt;
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	GetClientRect(hWnd, &rect);
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	MapWindowPoints(hWnd, NULL, (LPPOINT)&rect, 2);
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	GetCursorPos(&pt);
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	if ( !PtInRect(&rect, pt) || (WindowFromPoint(pt) != hWnd) ) {
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		if ( !KillTimer(hWnd, idEvent) ) {
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			/* Error killing the timer! */
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		}
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		PostMessage(hWnd, WM_MOUSELEAVE, 0, 0);
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	}
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}
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static BOOL WINAPI WIN_TrackMouseEvent(TRACKMOUSEEVENT *ptme)
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{
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	if ( ptme->dwFlags == TME_LEAVE ) {
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		return SetTimer(ptme->hwndTrack, ptme->dwFlags, 100,
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		                (TIMERPROC)TrackMouseTimerProc);
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	}
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	return FALSE;
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}
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#endif /* WM_MOUSELEAVE */
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/* Function to retrieve the current keyboard modifiers */
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static void WIN_GetKeyboardState(void)
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{
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#ifndef NO_GETKEYBOARDSTATE
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	SDLMod state;
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	BYTE keyboard[256];
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	state = KMOD_NONE;
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	if ( GetKeyboardState(keyboard) ) {
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		if ( keyboard[VK_LSHIFT] & 0x80) {
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			state |= KMOD_LSHIFT;
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		}
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		if ( keyboard[VK_RSHIFT] & 0x80) {
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			state |= KMOD_RSHIFT;
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		}
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		if ( keyboard[VK_LCONTROL] & 0x80) {
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			state |= KMOD_LCTRL;
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		}
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		if ( keyboard[VK_RCONTROL] & 0x80) {
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			state |= KMOD_RCTRL;
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		}
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		if ( keyboard[VK_LMENU] & 0x80) {
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			state |= KMOD_LALT;
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		}
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		if ( keyboard[VK_RMENU] & 0x80) {
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			state |= KMOD_RALT;
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		}
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		if ( keyboard[VK_NUMLOCK] & 0x80) {
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			state |= KMOD_NUM;
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		}
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		if ( keyboard[VK_CAPITAL] & 0x80) {
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			state |= KMOD_CAPS;
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		}
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	}
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	SDL_SetModState(state);
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#endif /* !NO_GETKEYBOARDSTATE */
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}
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/* The main Win32 event handler */
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static LONG CALLBACK WinMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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	SDL_VideoDevice *this = current_video;
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	static int mouse_pressed = 0;
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	static int in_window = 0;
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#ifdef WMMSG_DEBUG
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	fprintf(stderr, "Received windows message:  ");
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	if ( msg > MAX_WMMSG ) {
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		fprintf(stderr, "%d", msg);
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	} else {
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		fprintf(stderr, "%s", wmtab[msg]);
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	}
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	fprintf(stderr, " -- 0x%X, 0x%X\n", wParam, lParam);
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#endif
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	switch (msg) {
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		case WM_ACTIVATE: {
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			SDL_VideoDevice *this = current_video;
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			BOOL minimized;
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			Uint8 appstate;
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			minimized = HIWORD(wParam);
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			if ( !minimized && (LOWORD(wParam) != WA_INACTIVE) ) {
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				/* Gain the following states */
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				appstate = SDL_APPACTIVE|SDL_APPINPUTFOCUS;
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				if ( this->input_grab != SDL_GRAB_OFF ) {
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					WIN_GrabInput(this, SDL_GRAB_ON);
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				}
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				if ( !(SDL_GetAppState()&SDL_APPINPUTFOCUS) ) {
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					WIN_SwapGamma(this);
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				}
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				posted = SDL_PrivateAppActive(1, appstate);
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				WIN_GetKeyboardState();
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			} else {
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				/* Lose the following states */
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				appstate = SDL_APPINPUTFOCUS;
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				if ( minimized ) {
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					appstate |= SDL_APPACTIVE;
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				}
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				if ( this->input_grab != SDL_GRAB_OFF ) {
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					WIN_GrabInput(this, SDL_GRAB_OFF);
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				}
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				if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) {
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					WIN_SwapGamma(this);
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				}
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				posted = SDL_PrivateAppActive(0, appstate);
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			}
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			return(0);
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		}
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		break;
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   199
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		case WM_MOUSEMOVE: {
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   201
			
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			/* Mouse is handled by DirectInput when fullscreen */
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			if ( SDL_VideoSurface && ! DIRECTX_FULLSCREEN() ) {
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				Sint16 x, y;
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				/* mouse has entered the window */
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				if ( ! in_window ) {
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   208
#ifdef WM_MOUSELEAVE
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					TRACKMOUSEEVENT tme;
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   210
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					tme.cbSize = sizeof(tme);
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					tme.dwFlags = TME_LEAVE;
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					tme.hwndTrack = SDL_Window;
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					_TrackMouseEvent(&tme);
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   215
#endif /* WM_MOUSELEAVE */
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					in_window = TRUE;
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   217
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					posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
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   219
				}
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   220
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   221
				/* mouse has moved within the window */
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				x = LOWORD(lParam);
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   223
				y = HIWORD(lParam);
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   224
				if ( mouse_relative ) {
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   225
					POINT center;
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					center.x = (SDL_VideoSurface->w/2);
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   227
					center.y = (SDL_VideoSurface->h/2);
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   228
					x -= (Sint16)center.x;
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   229
					y -= (Sint16)center.y;
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   230
					if ( x || y ) {
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   231
						ClientToScreen(SDL_Window, &center);
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   232
						SetCursorPos(center.x, center.y);
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   233
						posted = SDL_PrivateMouseMotion(0, 1, x, y);
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   234
					}
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   235
				} else {
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   236
					posted = SDL_PrivateMouseMotion(0, 0, x, y);
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   237
				}
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   238
			}
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   239
		}
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   240
		return(0);
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diff changeset
   241
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   242
#ifdef WM_MOUSELEAVE
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   243
		case WM_MOUSELEAVE: {
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   244
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   245
			/* Mouse is handled by DirectInput when fullscreen */
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   246
			if ( SDL_VideoSurface && ! DIRECTX_FULLSCREEN() ) {
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   247
				/* mouse has left the window */
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   248
				/* or */
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   249
				/* Elvis has left the building! */
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   250
				in_window = FALSE;
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   251
				posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
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   252
			}
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   253
		}
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   254
		return(0);
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   255
#endif /* WM_MOUSELEAVE */
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diff changeset
   256
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   257
		case WM_LBUTTONDOWN:
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   258
		case WM_LBUTTONUP:
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diff changeset
   259
		case WM_MBUTTONDOWN:
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   260
		case WM_MBUTTONUP:
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diff changeset
   261
		case WM_RBUTTONDOWN:
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diff changeset
   262
		case WM_RBUTTONUP: {
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diff changeset
   263
			/* Mouse is handled by DirectInput when fullscreen */
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diff changeset
   264
			if ( SDL_VideoSurface && ! DIRECTX_FULLSCREEN() ) {
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   265
				Sint16 x, y;
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   266
				Uint8 button, state;
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diff changeset
   267
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   268
				/* Figure out which button to use */
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   269
				switch (msg) {
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   270
					case WM_LBUTTONDOWN:
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   271
						button = 1;
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diff changeset
   272
						state = SDL_PRESSED;
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diff changeset
   273
						break;
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parents:
diff changeset
   274
					case WM_LBUTTONUP:
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   275
						button = 1;
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   276
						state = SDL_RELEASED;
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diff changeset
   277
						break;
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parents:
diff changeset
   278
					case WM_MBUTTONDOWN:
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diff changeset
   279
						button = 2;
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diff changeset
   280
						state = SDL_PRESSED;
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parents:
diff changeset
   281
						break;
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parents:
diff changeset
   282
					case WM_MBUTTONUP:
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diff changeset
   283
						button = 2;
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diff changeset
   284
						state = SDL_RELEASED;
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diff changeset
   285
						break;
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parents:
diff changeset
   286
					case WM_RBUTTONDOWN:
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parents:
diff changeset
   287
						button = 3;
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diff changeset
   288
						state = SDL_PRESSED;
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parents:
diff changeset
   289
						break;
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parents:
diff changeset
   290
					case WM_RBUTTONUP:
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diff changeset
   291
						button = 3;
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diff changeset
   292
						state = SDL_RELEASED;
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diff changeset
   293
						break;
74212992fb08 Initial revision
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parents:
diff changeset
   294
					default:
74212992fb08 Initial revision
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diff changeset
   295
						/* Eh? Unknown button? */
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diff changeset
   296
						return(0);
74212992fb08 Initial revision
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parents:
diff changeset
   297
				}
74212992fb08 Initial revision
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diff changeset
   298
				if ( state == SDL_PRESSED ) {
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parents:
diff changeset
   299
					/* Grab mouse so we get up events */
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diff changeset
   300
					if ( ++mouse_pressed > 0 ) {
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parents:
diff changeset
   301
						SetCapture(hwnd);
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parents:
diff changeset
   302
					}
74212992fb08 Initial revision
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parents:
diff changeset
   303
				} else {
74212992fb08 Initial revision
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parents:
diff changeset
   304
					/* Release mouse after all up events */
74212992fb08 Initial revision
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parents:
diff changeset
   305
					if ( --mouse_pressed <= 0 ) {
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parents:
diff changeset
   306
						ReleaseCapture();
74212992fb08 Initial revision
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parents:
diff changeset
   307
						mouse_pressed = 0;
74212992fb08 Initial revision
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parents:
diff changeset
   308
					}
74212992fb08 Initial revision
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parents:
diff changeset
   309
				}
74212992fb08 Initial revision
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parents:
diff changeset
   310
				if ( mouse_relative ) {
74212992fb08 Initial revision
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parents:
diff changeset
   311
				/*	RJR: March 28, 2000
74212992fb08 Initial revision
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parents:
diff changeset
   312
					report internal mouse position if in relative mode */
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parents:
diff changeset
   313
					x = 0; y = 0;
74212992fb08 Initial revision
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parents:
diff changeset
   314
				} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   315
					x = (Sint16)LOWORD(lParam);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   316
					y = (Sint16)HIWORD(lParam);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   317
				}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   318
				posted = SDL_PrivateMouseButton(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   319
							state, button, x, y);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   320
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   321
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   322
		return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   323
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   324
#ifdef WM_GETMINMAXINFO
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   325
		/* This message is sent as a way for us to "check" the values
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   326
		 * of a position change.  If we don't like it, we can adjust
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   327
		 * the values before they are changed.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   328
		 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   329
		case WM_GETMINMAXINFO: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   330
			MINMAXINFO *info;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   331
			RECT        size;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   332
			int x, y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   333
			int width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   334
			int height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   335
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   336
			/* We don't want to clobber an internal resize */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   337
			if ( SDL_resizing )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   338
				return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   339
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   340
			/* We allow resizing with the SDL_RESIZABLE flag */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   341
			if ( SDL_PublicSurface &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   342
				(SDL_PublicSurface->flags & SDL_RESIZABLE) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   343
				return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   344
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   345
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   346
			/* Get the current position of our window */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   347
			GetWindowRect(SDL_Window, &size);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   348
			x = size.left;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   349
			y = size.top;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   350
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   351
			/* Calculate current width and height of our window */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   352
			size.top = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   353
			size.left = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   354
			if ( SDL_PublicSurface != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   355
				size.bottom = SDL_PublicSurface->h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   356
				size.right = SDL_PublicSurface->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   357
			} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   358
				size.bottom = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   359
				size.right = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   360
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   361
			AdjustWindowRect(&size, GetWindowLong(hwnd, GWL_STYLE),
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   362
									FALSE);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   363
			width = size.right - size.left;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   364
			height = size.bottom - size.top;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   365
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   366
			/* Fix our size to the current size */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   367
			info = (MINMAXINFO *)lParam;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   368
			info->ptMaxSize.x = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   369
			info->ptMaxSize.y = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   370
			info->ptMaxPosition.x = x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   371
			info->ptMaxPosition.y = y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   372
			info->ptMinTrackSize.x = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   373
			info->ptMinTrackSize.y = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   374
			info->ptMaxTrackSize.x = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   375
			info->ptMaxTrackSize.y = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   376
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   377
		return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   378
#endif /* WM_GETMINMAXINFO */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   379
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   380
		case WM_MOVE: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   381
			SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   382
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   383
			GetClientRect(SDL_Window, &SDL_bounds);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   384
			ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   385
			ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds+1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   386
			if ( this->input_grab != SDL_GRAB_OFF ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   387
				ClipCursor(&SDL_bounds);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   388
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   389
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   390
		break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   391
	
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   392
		case WM_SIZE: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   393
			if ( SDL_PublicSurface &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   394
				(SDL_PublicSurface->flags & SDL_RESIZABLE) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   395
				SDL_PrivateResize(LOWORD(lParam), HIWORD(lParam));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   396
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   397
			return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   398
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   399
		break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   400
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   401
		/* We need to set the cursor */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   402
		case WM_SETCURSOR: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   403
			Uint16 hittest;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   404
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   405
			hittest = LOWORD(lParam);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   406
			if ( hittest == HTCLIENT ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   407
				SetCursor(SDL_hcursor);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   408
				return(TRUE);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   409
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   410
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   411
		break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   412
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   413
		/* We are about to get palette focus! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   414
		case WM_QUERYNEWPALETTE: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   415
			WIN_RealizePalette(current_video);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   416
			return(TRUE);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   417
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   418
		break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   419
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   420
		/* Another application changed the palette */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   421
		case WM_PALETTECHANGED: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   422
			WIN_PaletteChanged(current_video, (HWND)wParam);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   423
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   424
		break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   425
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   426
		/* We were occluded, refresh our display */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   427
		case WM_PAINT: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   428
			HDC hdc;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   429
			PAINTSTRUCT ps;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   430
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   431
			hdc = BeginPaint(SDL_Window, &ps);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   432
			if ( current_video->screen &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   433
			     !(current_video->screen->flags & SDL_OPENGL) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   434
				WIN_WinPAINT(current_video, hdc);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   435
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   436
			EndPaint(SDL_Window, &ps);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   437
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   438
		return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   439
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   440
		case WM_ERASEBKGND: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   441
			/* Just do nothing */ ;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   442
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   443
		return(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   444
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   445
		case WM_CLOSE: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   446
			if ( (posted = SDL_PrivateQuit()) )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   447
				PostQuitMessage(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   448
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   449
		return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   450
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   451
		case WM_DESTROY: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   452
			PostQuitMessage(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   453
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   454
		return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   455
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   456
		default: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   457
			/* Special handling by the video driver */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   458
			if (HandleMessage) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   459
				return(HandleMessage(current_video,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   460
			                     hwnd, msg, wParam, lParam));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   461
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   462
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   463
		break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   464
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   465
	return(DefWindowProc(hwnd, msg, wParam, lParam));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   466
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   467
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   468
/* This allows the SDL_WINDOWID hack */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   469
const char *SDL_windowid = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   470
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   471
/* Register the class for this application -- exported for winmain.c */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   472
int SDL_RegisterApp(char *name, Uint32 style, void *hInst)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   473
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   474
	static int initialized = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   475
	WNDCLASS class;
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parents:
diff changeset
   476
#ifdef WM_MOUSELEAVE
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parents:
diff changeset
   477
	HMODULE handle;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   478
#endif
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   479
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parents:
diff changeset
   480
	/* Only do this once... */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   481
	if ( initialized ) {
74212992fb08 Initial revision
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diff changeset
   482
		return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   483
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   484
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   485
	/* This function needs to be passed the correct process handle
74212992fb08 Initial revision
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parents:
diff changeset
   486
	   by the application.  The following call just returns a handle
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   487
	   to the SDL DLL, which is useless for our purposes and causes
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   488
	   DirectInput to fail to initialize.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   489
	 */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   490
	if ( ! hInst ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   491
		hInst = GetModuleHandle(NULL);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   492
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   493
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   494
	/* Register the application class */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   495
	class.hCursor		= NULL;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   496
#ifdef _WIN32_WCE
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   497
    {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   498
	/* WinCE uses the UNICODE version */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   499
	int nLen = strlen(name);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   500
	LPWSTR lpszW = alloca((nLen+1)*2);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   501
	MultiByteToWideChar(CP_ACP, 0, name, -1, lpszW, nLen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   502
	class.hIcon		= LoadImage(hInst, lpszW, IMAGE_ICON,
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   503
	                                    0, 0, LR_DEFAULTCOLOR);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   504
	class.lpszMenuName	= lpszW;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   505
	class.lpszClassName	= lpszW;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   506
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   507
#else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   508
	class.hIcon		= LoadImage(hInst, name, IMAGE_ICON,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   509
	                                    0, 0, LR_DEFAULTCOLOR);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   510
	class.lpszMenuName	= "(none)";
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   511
	class.lpszClassName	= name;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   512
#endif /* _WIN32_WCE */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   513
	class.hbrBackground	= NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   514
	class.hInstance		= hInst ? hInst : GetModuleHandle(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   515
	class.style		= style;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   516
#ifdef HAVE_OPENGL
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   517
	class.style		|= CS_OWNDC;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   518
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   519
	class.lpfnWndProc	= WinMessage;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   520
	class.cbWndExtra	= 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   521
	class.cbClsExtra	= 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   522
	if ( ! RegisterClass(&class) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   523
		SDL_SetError("Couldn't register application class");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   524
		return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   525
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   526
	SDL_Appname = name;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   527
	SDL_Instance = hInst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   528
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   529
#ifdef WM_MOUSELEAVE
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   530
	/* Get the version of TrackMouseEvent() we use */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   531
	_TrackMouseEvent = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   532
	handle = GetModuleHandle("USER32.DLL");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   533
	if ( handle ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   534
		_TrackMouseEvent = (BOOL (WINAPI *)(TRACKMOUSEEVENT *))GetProcAddress(handle, "TrackMouseEvent");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   535
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   536
	if ( _TrackMouseEvent == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   537
		_TrackMouseEvent = WIN_TrackMouseEvent;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   538
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   539
#endif /* WM_MOUSELEAVE */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   540
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   541
	/* Check for SDL_WINDOWID hack */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   542
	SDL_windowid = getenv("SDL_WINDOWID");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   543
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   544
	initialized = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   545
	return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   546
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   547