diff src/video/wincommon/SDL_sysevents.c @ 1895:c121d94672cb

SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 10 Jul 2006 21:04:37 +0000
parents 21b1fbb53f4a
children
line wrap: on
line diff
--- a/src/video/wincommon/SDL_sysevents.c	Thu Jul 06 18:01:37 2006 +0000
+++ b/src/video/wincommon/SDL_sysevents.c	Mon Jul 10 21:04:37 2006 +0000
@@ -58,7 +58,7 @@
 Uint32 SDL_Appstyle = 0;
 HINSTANCE SDL_Instance = NULL;
 HWND SDL_Window = NULL;
-RECT SDL_bounds = {0, 0, 0, 0};
+RECT SDL_bounds = { 0, 0, 0, 0 };
 int SDL_windowX = 0;
 int SDL_windowY = 0;
 int SDL_resizing = 0;
@@ -72,10 +72,11 @@
 
 
 /* Functions called by the message processing function */
-LONG (*HandleMessage)(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)=NULL;
-void (*WIN_RealizePalette)(_THIS);
-void (*WIN_PaletteChanged)(_THIS, HWND window);
-void (*WIN_WinPAINT)(_THIS, HDC hdc);
+LONG(*HandleMessage) (_THIS, HWND hwnd, UINT msg, WPARAM wParam,
+                      LPARAM lParam) = NULL;
+void (*WIN_RealizePalette) (_THIS);
+void (*WIN_PaletteChanged) (_THIS, HWND window);
+void (*WIN_WinPAINT) (_THIS, HDC hdc);
 extern void DIB_SwapGamma(_THIS);
 
 #ifndef NO_GETKEYBOARDSTATE
@@ -83,7 +84,8 @@
 static int codepage;
 static int Is9xME();
 static int GetCodePage();
-static int WINAPI ToUnicode9xME(UINT vkey, UINT scancode, BYTE *keystate, LPWSTR wchars, int wsize, UINT flags);
+static int WINAPI ToUnicode9xME(UINT vkey, UINT scancode, BYTE * keystate,
+                                LPWSTR wchars, int wsize, UINT flags);
 
 ToUnicodeFN SDL_ToUnicode = ToUnicode9xME;
 #endif /* !NO_GETKEYBOARDSTATE */
@@ -93,7 +95,7 @@
 
 // dynamically load aygshell dll because we want SDL to work on HPC and be300
 HINSTANCE aygshell = NULL;
-BOOL (WINAPI *SHFullScreen)(HWND hwndRequester, DWORD dwState) = 0;
+BOOL(WINAPI * SHFullScreen) (HWND hwndRequester, DWORD dwState) = 0;
 
 #define SHFS_SHOWTASKBAR            0x0001
 #define SHFS_HIDETASKBAR            0x0002
@@ -102,29 +104,33 @@
 #define SHFS_SHOWSTARTICON          0x0010
 #define SHFS_HIDESTARTICON          0x0020
 
-static void LoadAygshell(void)
+static void
+LoadAygshell(void)
 {
-	if( !aygshell )
-		 aygshell = SDL_LoadObject("aygshell.dll");
-	if( (aygshell != 0) && (SHFullScreen == 0) )
-	{
-		SHFullScreen = (int (WINAPI *)(struct HWND__ *,unsigned long)) SDL_LoadFunction(aygshell, "SHFullScreen");
-	}
+    if (!aygshell)
+        aygshell = SDL_LoadObject("aygshell.dll");
+    if ((aygshell != 0) && (SHFullScreen == 0)) {
+        SHFullScreen = (int (WINAPI *) (struct HWND__ *, unsigned long))
+            SDL_LoadFunction(aygshell, "SHFullScreen");
+    }
 }
 
 /* for gapi landscape mode */
-static void GapiTransform(SDL_ScreenOrientation rotate, char hires, Sint16 *x, Sint16 *y) {
-	Sint16 rotatedX;
-	Sint16 rotatedY;
+static void
+GapiTransform(SDL_ScreenOrientation rotate, char hires, Sint16 * x,
+              Sint16 * y)
+{
+    Sint16 rotatedX;
+    Sint16 rotatedY;
 
-	if (hires) {
-		*x = *x * 2;
-		*y = *y * 2;
-	}
+    if (hires) {
+        *x = *x * 2;
+        *y = *y * 2;
+    }
 
-	switch(rotate) {
-		case SDL_ORIENTATION_UP:
-			{
+    switch (rotate) {
+    case SDL_ORIENTATION_UP:
+        {
 /* this code needs testing on a real device!
    So it will be enabled later */
 /*
@@ -146,25 +152,25 @@
 				}
 #endif
 #endif */
-			}
-			break;
-		case SDL_ORIENTATION_RIGHT:
-			if (!SDL_VideoSurface)
-				break;
-			rotatedX = SDL_VideoSurface->w - *y;
-			rotatedY = *x;
-			*x = rotatedX;
-			*y = rotatedY;
-			break;
-		case SDL_ORIENTATION_LEFT:
-			if (!SDL_VideoSurface)
-				break;
-			rotatedX = *y;
-			rotatedY = SDL_VideoSurface->h - *x;
-			*x = rotatedX;
-			*y = rotatedY;
-			break;
-	}
+        }
+        break;
+    case SDL_ORIENTATION_RIGHT:
+        if (!SDL_VideoSurface)
+            break;
+        rotatedX = SDL_VideoSurface->w - *y;
+        rotatedY = *x;
+        *x = rotatedX;
+        *y = rotatedY;
+        break;
+    case SDL_ORIENTATION_LEFT:
+        if (!SDL_VideoSurface)
+            break;
+        rotatedX = *y;
+        rotatedY = SDL_VideoSurface->h - *x;
+        *x = rotatedX;
+        *y = rotatedY;
+        break;
+    }
 }
 
 #endif
@@ -174,57 +180,57 @@
    So we may as well stick it here instead of having multiple copies scattered
    about
 */
-void WIN_FlushMessageQueue()
+void
+WIN_FlushMessageQueue()
 {
-	MSG  msg;
-	while ( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) ) {
-		if ( msg.message == WM_QUIT ) break;
-		TranslateMessage( &msg );
-		DispatchMessage( &msg );
-	}
+    MSG msg;
+    while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
+        if (msg.message == WM_QUIT)
+            break;
+        TranslateMessage(&msg);
+        DispatchMessage(&msg);
+    }
 }
 
-static void SDL_RestoreGameMode(void)
+static void
+SDL_RestoreGameMode(void)
 {
 #ifdef _WIN32_WCE
-	SDL_VideoDevice *this = current_video;
-	if(SDL_strcmp(this->name, "gapi") == 0)
-	{
-		if( this->hidden->suspended )
-		{
-			this->hidden->suspended = 0;
-		}
-	}
+    SDL_VideoDevice *this = current_video;
+    if (SDL_strcmp(this->name, "gapi") == 0) {
+        if (this->hidden->suspended) {
+            this->hidden->suspended = 0;
+        }
+    }
 #else
-	ShowWindow(SDL_Window, SW_RESTORE);
+    ShowWindow(SDL_Window, SW_RESTORE);
 #endif
 
 #ifndef NO_CHANGEDISPLAYSETTINGS
 #ifndef _WIN32_WCE
-	ChangeDisplaySettings(&SDL_fullscreen_mode, CDS_FULLSCREEN);
+    ChangeDisplaySettings(&SDL_fullscreen_mode, CDS_FULLSCREEN);
 #endif
 #endif /* NO_CHANGEDISPLAYSETTINGS */
 }
-static void SDL_RestoreDesktopMode(void)
+static void
+SDL_RestoreDesktopMode(void)
 {
 
 #ifdef _WIN32_WCE
-	SDL_VideoDevice *this = current_video;
-	if(SDL_strcmp(this->name, "gapi") == 0)
-	{
-		if( !this->hidden->suspended )
-		{
-			this->hidden->suspended = 1;
-		}
-	}
+    SDL_VideoDevice *this = current_video;
+    if (SDL_strcmp(this->name, "gapi") == 0) {
+        if (!this->hidden->suspended) {
+            this->hidden->suspended = 1;
+        }
+    }
 #else
-	/* WinCE does not have a taskbar, so minimizing is not convenient */
-	ShowWindow(SDL_Window, SW_MINIMIZE);
+    /* WinCE does not have a taskbar, so minimizing is not convenient */
+    ShowWindow(SDL_Window, SW_MINIMIZE);
 #endif
 
 #ifndef NO_CHANGEDISPLAYSETTINGS
 #ifndef _WIN32_WCE
-	ChangeDisplaySettings(NULL, 0);
+    ChangeDisplaySettings(NULL, 0);
 #endif
 #endif /* NO_CHANGEDISPLAYSETTINGS */
 }
@@ -241,509 +247,535 @@
    Therefore, we implement our own version of _TrackMouseEvent() which
    uses our own implementation if TrackMouseEvent() is not available.
 */
-static BOOL (WINAPI *_TrackMouseEvent)(TRACKMOUSEEVENT *ptme) = NULL;
+static BOOL(WINAPI * _TrackMouseEvent) (TRACKMOUSEEVENT * ptme) = NULL;
 
 static VOID CALLBACK
 TrackMouseTimerProc(HWND hWnd, UINT uMsg, UINT idEvent, DWORD dwTime)
 {
-	RECT rect;
-	POINT pt;
+    RECT rect;
+    POINT pt;
 
-	GetClientRect(hWnd, &rect);
-	MapWindowPoints(hWnd, NULL, (LPPOINT)&rect, 2);
-	GetCursorPos(&pt);
-	if ( !PtInRect(&rect, pt) || (WindowFromPoint(pt) != hWnd) ) {
-		if ( !KillTimer(hWnd, idEvent) ) {
-			/* Error killing the timer! */
-		}
-		PostMessage(hWnd, WM_MOUSELEAVE, 0, 0);
-	}
+    GetClientRect(hWnd, &rect);
+    MapWindowPoints(hWnd, NULL, (LPPOINT) & rect, 2);
+    GetCursorPos(&pt);
+    if (!PtInRect(&rect, pt) || (WindowFromPoint(pt) != hWnd)) {
+        if (!KillTimer(hWnd, idEvent)) {
+            /* Error killing the timer! */
+        }
+        PostMessage(hWnd, WM_MOUSELEAVE, 0, 0);
+    }
 }
-static BOOL WINAPI WIN_TrackMouseEvent(TRACKMOUSEEVENT *ptme)
+static BOOL WINAPI
+WIN_TrackMouseEvent(TRACKMOUSEEVENT * ptme)
 {
-	if ( ptme->dwFlags == TME_LEAVE ) {
-		return SetTimer(ptme->hwndTrack, ptme->dwFlags, 100,
-		                (TIMERPROC)TrackMouseTimerProc) != 0;
-	}
-	return FALSE;
+    if (ptme->dwFlags == TME_LEAVE) {
+        return SetTimer(ptme->hwndTrack, ptme->dwFlags, 100,
+                        (TIMERPROC) TrackMouseTimerProc) != 0;
+    }
+    return FALSE;
 }
 #endif /* WM_MOUSELEAVE */
 
 /* Function to retrieve the current keyboard modifiers */
-static void WIN_GetKeyboardState(void)
+static void
+WIN_GetKeyboardState(void)
 {
 #ifndef NO_GETKEYBOARDSTATE
-	SDLMod state;
-	BYTE keyboard[256];
-	Uint8 *kstate = SDL_GetKeyState(NULL);
+    SDLMod state;
+    BYTE keyboard[256];
+    Uint8 *kstate = SDL_GetKeyState(NULL);
 
-	state = KMOD_NONE;
-	if ( GetKeyboardState(keyboard) ) {
-		if ( keyboard[VK_LSHIFT] & 0x80) {
-			state |= KMOD_LSHIFT;
-			kstate[SDLK_LSHIFT] = SDL_PRESSED;
-		}
-		if ( keyboard[VK_RSHIFT] & 0x80) {
-			state |= KMOD_RSHIFT;
-			kstate[SDLK_RSHIFT] = SDL_PRESSED;
-		}
-		if ( keyboard[VK_LCONTROL] & 0x80) {
-			state |= KMOD_LCTRL;
-			kstate[SDLK_LCTRL] = SDL_PRESSED;
-		}
-		if ( keyboard[VK_RCONTROL] & 0x80) {
-			state |= KMOD_RCTRL;
-			kstate[SDLK_RCTRL] = SDL_PRESSED;
-		}
-		if ( keyboard[VK_LMENU] & 0x80) {
-			state |= KMOD_LALT;
-			kstate[SDLK_LALT] = SDL_PRESSED;
-		}
-		if ( keyboard[VK_RMENU] & 0x80) {
-			state |= KMOD_RALT;
-			kstate[SDLK_RALT] = SDL_PRESSED;
-		}
-		if ( keyboard[VK_NUMLOCK] & 0x01) {
-			state |= KMOD_NUM;
-			kstate[SDLK_NUMLOCK] = SDL_PRESSED;
-		}
-		if ( keyboard[VK_CAPITAL] & 0x01) {
-			state |= KMOD_CAPS;
-			kstate[SDLK_CAPSLOCK] = SDL_PRESSED;
-		}
-	}
-	SDL_SetModState(state);
+    state = KMOD_NONE;
+    if (GetKeyboardState(keyboard)) {
+        if (keyboard[VK_LSHIFT] & 0x80) {
+            state |= KMOD_LSHIFT;
+            kstate[SDLK_LSHIFT] = SDL_PRESSED;
+        }
+        if (keyboard[VK_RSHIFT] & 0x80) {
+            state |= KMOD_RSHIFT;
+            kstate[SDLK_RSHIFT] = SDL_PRESSED;
+        }
+        if (keyboard[VK_LCONTROL] & 0x80) {
+            state |= KMOD_LCTRL;
+            kstate[SDLK_LCTRL] = SDL_PRESSED;
+        }
+        if (keyboard[VK_RCONTROL] & 0x80) {
+            state |= KMOD_RCTRL;
+            kstate[SDLK_RCTRL] = SDL_PRESSED;
+        }
+        if (keyboard[VK_LMENU] & 0x80) {
+            state |= KMOD_LALT;
+            kstate[SDLK_LALT] = SDL_PRESSED;
+        }
+        if (keyboard[VK_RMENU] & 0x80) {
+            state |= KMOD_RALT;
+            kstate[SDLK_RALT] = SDL_PRESSED;
+        }
+        if (keyboard[VK_NUMLOCK] & 0x01) {
+            state |= KMOD_NUM;
+            kstate[SDLK_NUMLOCK] = SDL_PRESSED;
+        }
+        if (keyboard[VK_CAPITAL] & 0x01) {
+            state |= KMOD_CAPS;
+            kstate[SDLK_CAPSLOCK] = SDL_PRESSED;
+        }
+    }
+    SDL_SetModState(state);
 #endif /* !NO_GETKEYBOARDSTATE */
 }
 
 /* The main Win32 event handler
 DJM: This is no longer static as (DX5/DIB)_CreateWindow needs it
 */
-LRESULT CALLBACK WinMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+LRESULT CALLBACK
+WinMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 {
-	SDL_VideoDevice *this = current_video;
-	static int mouse_pressed = 0;
-	static int in_window = 0;
+    SDL_VideoDevice *this = current_video;
+    static int mouse_pressed = 0;
+    static int in_window = 0;
 #ifdef WMMSG_DEBUG
-	fprintf(stderr, "Received windows message:  ");
-	if ( msg > MAX_WMMSG ) {
-		fprintf(stderr, "%d", msg);
-	} else {
-		fprintf(stderr, "%s", wmtab[msg]);
-	}
-	fprintf(stderr, " -- 0x%X, 0x%X\n", wParam, lParam);
+    fprintf(stderr, "Received windows message:  ");
+    if (msg > MAX_WMMSG) {
+        fprintf(stderr, "%d", msg);
+    } else {
+        fprintf(stderr, "%s", wmtab[msg]);
+    }
+    fprintf(stderr, " -- 0x%X, 0x%X\n", wParam, lParam);
 #endif
-	switch (msg) {
+    switch (msg) {
 
-		case WM_ACTIVATE: {
-			SDL_VideoDevice *this = current_video;
-			BOOL minimized;
-			Uint8 appstate;
+    case WM_ACTIVATE:
+        {
+            SDL_VideoDevice *this = current_video;
+            BOOL minimized;
+            Uint8 appstate;
 
-			minimized = HIWORD(wParam);
-			if ( !minimized && (LOWORD(wParam) != WA_INACTIVE) ) {
-				/* Gain the following states */
-				appstate = SDL_APPACTIVE|SDL_APPINPUTFOCUS;
-				if ( this->input_grab != SDL_GRAB_OFF ) {
-					WIN_GrabInput(this, SDL_GRAB_ON);
-				}
-				if ( !(SDL_GetAppState()&SDL_APPINPUTFOCUS) ) {
-					if ( ! DDRAW_FULLSCREEN() ) {
-						DIB_SwapGamma(this);
-					}
-					if ( WINDIB_FULLSCREEN() ) {
-						SDL_RestoreGameMode();
-					}
-				}
+            minimized = HIWORD(wParam);
+            if (!minimized && (LOWORD(wParam) != WA_INACTIVE)) {
+                /* Gain the following states */
+                appstate = SDL_APPACTIVE | SDL_APPINPUTFOCUS;
+                if (this->input_grab != SDL_GRAB_OFF) {
+                    WIN_GrabInput(this, SDL_GRAB_ON);
+                }
+                if (!(SDL_GetAppState() & SDL_APPINPUTFOCUS)) {
+                    if (!DDRAW_FULLSCREEN()) {
+                        DIB_SwapGamma(this);
+                    }
+                    if (WINDIB_FULLSCREEN()) {
+                        SDL_RestoreGameMode();
+                    }
+                }
 #if defined(_WIN32_WCE)
-			if ( WINDIB_FULLSCREEN() )
-			{
-						LoadAygshell();
-						if( SHFullScreen )
-							SHFullScreen(SDL_Window, SHFS_HIDESTARTICON|SHFS_HIDETASKBAR|SHFS_HIDESIPBUTTON);
-						else
-							ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_HIDE);
+                if (WINDIB_FULLSCREEN()) {
+                    LoadAygshell();
+                    if (SHFullScreen)
+                        SHFullScreen(SDL_Window,
+                                     SHFS_HIDESTARTICON |
+                                     SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
+                    else
+                        ShowWindow(FindWindow
+                                   (TEXT("HHTaskBar"), NULL), SW_HIDE);
 
-			}
+                }
 #endif
 
-				posted = SDL_PrivateAppActive(1, appstate);
-				WIN_GetKeyboardState();
-			} else {
-				/* Lose the following states */
-				appstate = SDL_APPINPUTFOCUS;
-				if ( minimized ) {
-					appstate |= SDL_APPACTIVE;
-				}
-				if ( this->input_grab != SDL_GRAB_OFF ) {
-					WIN_GrabInput(this, SDL_GRAB_OFF);
-				}
-				if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) {
-					if ( ! DDRAW_FULLSCREEN() ) {
-						DIB_SwapGamma(this);
-					}
-					if ( WINDIB_FULLSCREEN() ) {
-						SDL_RestoreDesktopMode();
+                posted = SDL_PrivateAppActive(1, appstate);
+                WIN_GetKeyboardState();
+            } else {
+                /* Lose the following states */
+                appstate = SDL_APPINPUTFOCUS;
+                if (minimized) {
+                    appstate |= SDL_APPACTIVE;
+                }
+                if (this->input_grab != SDL_GRAB_OFF) {
+                    WIN_GrabInput(this, SDL_GRAB_OFF);
+                }
+                if (SDL_GetAppState() & SDL_APPINPUTFOCUS) {
+                    if (!DDRAW_FULLSCREEN()) {
+                        DIB_SwapGamma(this);
+                    }
+                    if (WINDIB_FULLSCREEN()) {
+                        SDL_RestoreDesktopMode();
 #if defined(_WIN32_WCE)
-						LoadAygshell();
-						if( SHFullScreen ) 
-							SHFullScreen(SDL_Window, SHFS_SHOWSTARTICON|SHFS_SHOWTASKBAR|SHFS_SHOWSIPBUTTON);
-						else
-							ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_SHOW);
+                        LoadAygshell();
+                        if (SHFullScreen)
+                            SHFullScreen(SDL_Window,
+                                         SHFS_SHOWSTARTICON |
+                                         SHFS_SHOWTASKBAR |
+                                         SHFS_SHOWSIPBUTTON);
+                        else
+                            ShowWindow(FindWindow
+                                       (TEXT("HHTaskBar"), NULL), SW_SHOW);
 
 #endif
-					}
-				}
-				posted = SDL_PrivateAppActive(0, appstate);
-			}
-			return(0);
-		}
-		break;
+                    }
+                }
+                posted = SDL_PrivateAppActive(0, appstate);
+            }
+            return (0);
+        }
+        break;
+
+    case WM_MOUSEMOVE:
+        {
 
-		case WM_MOUSEMOVE: {
-			
-			/* Mouse is handled by DirectInput when fullscreen */
-			if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) {
-				Sint16 x, y;
+            /* Mouse is handled by DirectInput when fullscreen */
+            if (SDL_VideoSurface && !DINPUT_FULLSCREEN()) {
+                Sint16 x, y;
 
-				/* mouse has entered the window */
-				if ( ! in_window ) {
+                /* mouse has entered the window */
+                if (!in_window) {
 #ifdef WM_MOUSELEAVE
-					TRACKMOUSEEVENT tme;
+                    TRACKMOUSEEVENT tme;
 
-					tme.cbSize = sizeof(tme);
-					tme.dwFlags = TME_LEAVE;
-					tme.hwndTrack = SDL_Window;
-					_TrackMouseEvent(&tme);
+                    tme.cbSize = sizeof(tme);
+                    tme.dwFlags = TME_LEAVE;
+                    tme.hwndTrack = SDL_Window;
+                    _TrackMouseEvent(&tme);
 #endif /* WM_MOUSELEAVE */
-					in_window = TRUE;
+                    in_window = TRUE;
 
-					posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
-				}
+                    posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
+                }
 
-				/* mouse has moved within the window */
-				x = LOWORD(lParam);
-				y = HIWORD(lParam);
-				if ( mouse_relative ) {
-					POINT center;
-					center.x = (SDL_VideoSurface->w/2);
-					center.y = (SDL_VideoSurface->h/2);
-					x -= (Sint16)center.x;
-					y -= (Sint16)center.y;
-					if ( x || y ) {
-						ClientToScreen(SDL_Window, &center);
-						SetCursorPos(center.x, center.y);
-						posted = SDL_PrivateMouseMotion(0, 1, x, y);
-					}
-				} else {
+                /* mouse has moved within the window */
+                x = LOWORD(lParam);
+                y = HIWORD(lParam);
+                if (mouse_relative) {
+                    POINT center;
+                    center.x = (SDL_VideoSurface->w / 2);
+                    center.y = (SDL_VideoSurface->h / 2);
+                    x -= (Sint16) center.x;
+                    y -= (Sint16) center.y;
+                    if (x || y) {
+                        ClientToScreen(SDL_Window, &center);
+                        SetCursorPos(center.x, center.y);
+                        posted = SDL_PrivateMouseMotion(0, 1, x, y);
+                    }
+                } else {
 #ifdef _WIN32_WCE
-					if (SDL_VideoSurface)
-						GapiTransform(this->hidden->userOrientation, this->hidden->hiresFix, &x, &y);
+                    if (SDL_VideoSurface)
+                        GapiTransform(this->hidden->userOrientation,
+                                      this->hidden->hiresFix, &x, &y);
 #endif
-					posted = SDL_PrivateMouseMotion(0, 0, x, y);
-				}
-			}
-		}
-		return(0);
+                    posted = SDL_PrivateMouseMotion(0, 0, x, y);
+                }
+            }
+        }
+        return (0);
 
 #ifdef WM_MOUSELEAVE
-		case WM_MOUSELEAVE: {
+    case WM_MOUSELEAVE:
+        {
 
-			/* Mouse is handled by DirectInput when fullscreen */
-			if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) {
-				/* mouse has left the window */
-				/* or */
-				/* Elvis has left the building! */
-				posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
-			}
-			in_window = FALSE;
-		}
-		return(0);
+            /* Mouse is handled by DirectInput when fullscreen */
+            if (SDL_VideoSurface && !DINPUT_FULLSCREEN()) {
+                /* mouse has left the window */
+                /* or */
+                /* Elvis has left the building! */
+                posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
+            }
+            in_window = FALSE;
+        }
+        return (0);
 #endif /* WM_MOUSELEAVE */
 
-		case WM_LBUTTONDOWN:
-		case WM_LBUTTONUP:
-		case WM_MBUTTONDOWN:
-		case WM_MBUTTONUP:
-		case WM_RBUTTONDOWN:
-		case WM_RBUTTONUP: {
-			/* Mouse is handled by DirectInput when fullscreen */
-			if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) {
-				Sint16 x, y;
-				Uint8 button, state;
+    case WM_LBUTTONDOWN:
+    case WM_LBUTTONUP:
+    case WM_MBUTTONDOWN:
+    case WM_MBUTTONUP:
+    case WM_RBUTTONDOWN:
+    case WM_RBUTTONUP:
+        {
+            /* Mouse is handled by DirectInput when fullscreen */
+            if (SDL_VideoSurface && !DINPUT_FULLSCREEN()) {
+                Sint16 x, y;
+                Uint8 button, state;
 
-				/* DJM:
-				   We want the SDL window to take focus so that
-				   it acts like a normal windows "component"
-				   (e.g. gains keyboard focus on a mouse click).
-				 */
-				SetFocus(SDL_Window);
+                /* DJM:
+                   We want the SDL window to take focus so that
+                   it acts like a normal windows "component"
+                   (e.g. gains keyboard focus on a mouse click).
+                 */
+                SetFocus(SDL_Window);
 
-				/* Figure out which button to use */
-				switch (msg) {
-					case WM_LBUTTONDOWN:
-						button = SDL_BUTTON_LEFT;
-						state = SDL_PRESSED;
-						break;
-					case WM_LBUTTONUP:
-						button = SDL_BUTTON_LEFT;
-						state = SDL_RELEASED;
-						break;
-					case WM_MBUTTONDOWN:
-						button = SDL_BUTTON_MIDDLE;
-						state = SDL_PRESSED;
-						break;
-					case WM_MBUTTONUP:
-						button = SDL_BUTTON_MIDDLE;
-						state = SDL_RELEASED;
-						break;
-					case WM_RBUTTONDOWN:
-						button = SDL_BUTTON_RIGHT;
-						state = SDL_PRESSED;
-						break;
-					case WM_RBUTTONUP:
-						button = SDL_BUTTON_RIGHT;
-						state = SDL_RELEASED;
-						break;
-					default:
-						/* Eh? Unknown button? */
-						return(0);
-				}
-				if ( state == SDL_PRESSED ) {
-					/* Grab mouse so we get up events */
-					if ( ++mouse_pressed > 0 ) {
-						SetCapture(hwnd);
-					}
-				} else {
-					/* Release mouse after all up events */
-					if ( --mouse_pressed <= 0 ) {
-						ReleaseCapture();
-						mouse_pressed = 0;
-					}
-				}
-				if ( mouse_relative ) {
-				/*	RJR: March 28, 2000
-					report internal mouse position if in relative mode */
-					x = 0; y = 0;
-				} else {
-					x = (Sint16)LOWORD(lParam);
-					y = (Sint16)HIWORD(lParam);
+                /* Figure out which button to use */
+                switch (msg) {
+                case WM_LBUTTONDOWN:
+                    button = SDL_BUTTON_LEFT;
+                    state = SDL_PRESSED;
+                    break;
+                case WM_LBUTTONUP:
+                    button = SDL_BUTTON_LEFT;
+                    state = SDL_RELEASED;
+                    break;
+                case WM_MBUTTONDOWN:
+                    button = SDL_BUTTON_MIDDLE;
+                    state = SDL_PRESSED;
+                    break;
+                case WM_MBUTTONUP:
+                    button = SDL_BUTTON_MIDDLE;
+                    state = SDL_RELEASED;
+                    break;
+                case WM_RBUTTONDOWN:
+                    button = SDL_BUTTON_RIGHT;
+                    state = SDL_PRESSED;
+                    break;
+                case WM_RBUTTONUP:
+                    button = SDL_BUTTON_RIGHT;
+                    state = SDL_RELEASED;
+                    break;
+                default:
+                    /* Eh? Unknown button? */
+                    return (0);
+                }
+                if (state == SDL_PRESSED) {
+                    /* Grab mouse so we get up events */
+                    if (++mouse_pressed > 0) {
+                        SetCapture(hwnd);
+                    }
+                } else {
+                    /* Release mouse after all up events */
+                    if (--mouse_pressed <= 0) {
+                        ReleaseCapture();
+                        mouse_pressed = 0;
+                    }
+                }
+                if (mouse_relative) {
+                    /*      RJR: March 28, 2000
+                       report internal mouse position if in relative mode */
+                    x = 0;
+                    y = 0;
+                } else {
+                    x = (Sint16) LOWORD(lParam);
+                    y = (Sint16) HIWORD(lParam);
 #ifdef _WIN32_WCE
-					if (SDL_VideoSurface)
-						GapiTransform(this->hidden->userOrientation, this->hidden->hiresFix, &x, &y);
+                    if (SDL_VideoSurface)
+                        GapiTransform(this->hidden->userOrientation,
+                                      this->hidden->hiresFix, &x, &y);
 #endif
-				}
-				posted = SDL_PrivateMouseButton(
-							state, button, x, y);
-			}
-		}
-		return(0);
+                }
+                posted = SDL_PrivateMouseButton(state, button, x, y);
+            }
+        }
+        return (0);
 
 
 #if (_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)
-		case WM_MOUSEWHEEL: 
-			if ( SDL_VideoSurface && ! DINPUT_FULLSCREEN() ) {
-				int move = (short)HIWORD(wParam);
-				if ( move ) {
-					Uint8 button;
-					if ( move > 0 )
-						button = SDL_BUTTON_WHEELUP;
-					else
-						button = SDL_BUTTON_WHEELDOWN;
-					posted = SDL_PrivateMouseButton(
-						SDL_PRESSED, button, 0, 0);
-					posted |= SDL_PrivateMouseButton(
-						SDL_RELEASED, button, 0, 0);
-				}
-			}
-			return(0);
+    case WM_MOUSEWHEEL:
+        if (SDL_VideoSurface && !DINPUT_FULLSCREEN()) {
+            int move = (short) HIWORD(wParam);
+            if (move) {
+                Uint8 button;
+                if (move > 0)
+                    button = SDL_BUTTON_WHEELUP;
+                else
+                    button = SDL_BUTTON_WHEELDOWN;
+                posted = SDL_PrivateMouseButton(SDL_PRESSED, button, 0, 0);
+                posted |= SDL_PrivateMouseButton(SDL_RELEASED, button, 0, 0);
+            }
+        }
+        return (0);
 #endif
 
 #ifdef WM_GETMINMAXINFO
-		/* This message is sent as a way for us to "check" the values
-		 * of a position change.  If we don't like it, we can adjust
-		 * the values before they are changed.
-		 */
-		case WM_GETMINMAXINFO: {
-			MINMAXINFO *info;
-			RECT        size;
-			int x, y;
-			int style;
-			int width;
-			int height;
+        /* This message is sent as a way for us to "check" the values
+         * of a position change.  If we don't like it, we can adjust
+         * the values before they are changed.
+         */
+    case WM_GETMINMAXINFO:
+        {
+            MINMAXINFO *info;
+            RECT size;
+            int x, y;
+            int style;
+            int width;
+            int height;
 
-			/* We don't want to clobber an internal resize */
-			if ( SDL_resizing )
-				return(0);
+            /* We don't want to clobber an internal resize */
+            if (SDL_resizing)
+                return (0);
 
-			/* We allow resizing with the SDL_RESIZABLE flag */
-			if ( SDL_PublicSurface &&
-				(SDL_PublicSurface->flags & SDL_RESIZABLE) ) {
-				return(0);
-			}
+            /* We allow resizing with the SDL_RESIZABLE flag */
+            if (SDL_PublicSurface &&
+                (SDL_PublicSurface->flags & SDL_RESIZABLE)) {
+                return (0);
+            }
 
-			/* Get the current position of our window */
-			GetWindowRect(SDL_Window, &size);
-			x = size.left;
-			y = size.top;
+            /* Get the current position of our window */
+            GetWindowRect(SDL_Window, &size);
+            x = size.left;
+            y = size.top;
 
-			/* Calculate current width and height of our window */
-			size.top = 0;
-			size.left = 0;
-			if ( SDL_PublicSurface != NULL ) {
-				size.bottom = SDL_PublicSurface->h;
-				size.right = SDL_PublicSurface->w;
-			} else {
-				size.bottom = 0;
-				size.right = 0;
-			}
+            /* Calculate current width and height of our window */
+            size.top = 0;
+            size.left = 0;
+            if (SDL_PublicSurface != NULL) {
+                size.bottom = SDL_PublicSurface->h;
+                size.right = SDL_PublicSurface->w;
+            } else {
+                size.bottom = 0;
+                size.right = 0;
+            }
 
-			/* DJM - according to the docs for GetMenu(), the
-			   return value is undefined if hwnd is a child window.
-			   Aparently it's too difficult for MS to check
-			   inside their function, so I have to do it here.
-          		 */
-         		style = GetWindowLong(hwnd, GWL_STYLE);
-         		AdjustWindowRect(
-				&size,
-				style,
-            			style & WS_CHILDWINDOW ? FALSE
-						       : GetMenu(hwnd) != NULL);
+            /* DJM - according to the docs for GetMenu(), the
+               return value is undefined if hwnd is a child window.
+               Aparently it's too difficult for MS to check
+               inside their function, so I have to do it here.
+             */
+            style = GetWindowLong(hwnd, GWL_STYLE);
+            AdjustWindowRect(&size,
+                             style,
+                             style & WS_CHILDWINDOW ? FALSE
+                             : GetMenu(hwnd) != NULL);
 
-			width = size.right - size.left;
-			height = size.bottom - size.top;
+            width = size.right - size.left;
+            height = size.bottom - size.top;
 
-			/* Fix our size to the current size */
-			info = (MINMAXINFO *)lParam;
-			info->ptMaxSize.x = width;
-			info->ptMaxSize.y = height;
-			info->ptMaxPosition.x = x;
-			info->ptMaxPosition.y = y;
-			info->ptMinTrackSize.x = width;
-			info->ptMinTrackSize.y = height;
-			info->ptMaxTrackSize.x = width;
-			info->ptMaxTrackSize.y = height;
-		}
-		return(0);
+            /* Fix our size to the current size */
+            info = (MINMAXINFO *) lParam;
+            info->ptMaxSize.x = width;
+            info->ptMaxSize.y = height;
+            info->ptMaxPosition.x = x;
+            info->ptMaxPosition.y = y;
+            info->ptMinTrackSize.x = width;
+            info->ptMinTrackSize.y = height;
+            info->ptMaxTrackSize.x = width;
+            info->ptMaxTrackSize.y = height;
+        }
+        return (0);
 #endif /* WM_GETMINMAXINFO */
 
-		case WM_WINDOWPOSCHANGED: {
-			SDL_VideoDevice *this = current_video;
-			int w, h;
+    case WM_WINDOWPOSCHANGED:
+        {
+            SDL_VideoDevice *this = current_video;
+            int w, h;
 
-			GetClientRect(SDL_Window, &SDL_bounds);
-			ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds);
-			ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds+1);
-			if ( !SDL_resizing && !IsZoomed(SDL_Window) &&
-			     SDL_PublicSurface &&
-				!(SDL_PublicSurface->flags & SDL_FULLSCREEN) ) {
-				SDL_windowX = SDL_bounds.left;
-				SDL_windowY = SDL_bounds.top;
-			}
-			w = SDL_bounds.right-SDL_bounds.left;
-			h = SDL_bounds.bottom-SDL_bounds.top;
-			if ( this->input_grab != SDL_GRAB_OFF ) {
-				ClipCursor(&SDL_bounds);
-			}
-			if ( SDL_PublicSurface && 
-				(SDL_PublicSurface->flags & SDL_RESIZABLE) ) {
-				SDL_PrivateResize(w, h);
-			}
-		}
-		break;
+            GetClientRect(SDL_Window, &SDL_bounds);
+            ClientToScreen(SDL_Window, (LPPOINT) & SDL_bounds);
+            ClientToScreen(SDL_Window, (LPPOINT) & SDL_bounds + 1);
+            if (!SDL_resizing && !IsZoomed(SDL_Window) &&
+                SDL_PublicSurface &&
+                !(SDL_PublicSurface->flags & SDL_FULLSCREEN)) {
+                SDL_windowX = SDL_bounds.left;
+                SDL_windowY = SDL_bounds.top;
+            }
+            w = SDL_bounds.right - SDL_bounds.left;
+            h = SDL_bounds.bottom - SDL_bounds.top;
+            if (this->input_grab != SDL_GRAB_OFF) {
+                ClipCursor(&SDL_bounds);
+            }
+            if (SDL_PublicSurface &&
+                (SDL_PublicSurface->flags & SDL_RESIZABLE)) {
+                SDL_PrivateResize(w, h);
+            }
+        }
+        break;
 
-		/* We need to set the cursor */
-		case WM_SETCURSOR: {
-			Uint16 hittest;
+        /* We need to set the cursor */
+    case WM_SETCURSOR:
+        {
+            Uint16 hittest;
 
-			hittest = LOWORD(lParam);
-			if ( hittest == HTCLIENT ) {
-				SetCursor(SDL_hcursor);
-				return(TRUE);
-			}
-		}
-		break;
+            hittest = LOWORD(lParam);
+            if (hittest == HTCLIENT) {
+                SetCursor(SDL_hcursor);
+                return (TRUE);
+            }
+        }
+        break;
 
-		/* We are about to get palette focus! */
-		case WM_QUERYNEWPALETTE: {
-			WIN_RealizePalette(current_video);
-			return(TRUE);
-		}
-		break;
+        /* We are about to get palette focus! */
+    case WM_QUERYNEWPALETTE:
+        {
+            WIN_RealizePalette(current_video);
+            return (TRUE);
+        }
+        break;
 
-		/* Another application changed the palette */
-		case WM_PALETTECHANGED: {
-			WIN_PaletteChanged(current_video, (HWND)wParam);
-		}
-		break;
+        /* Another application changed the palette */
+    case WM_PALETTECHANGED:
+        {
+            WIN_PaletteChanged(current_video, (HWND) wParam);
+        }
+        break;
 
-		/* We were occluded, refresh our display */
-		case WM_PAINT: {
-			HDC hdc;
-			PAINTSTRUCT ps;
+        /* We were occluded, refresh our display */
+    case WM_PAINT:
+        {
+            HDC hdc;
+            PAINTSTRUCT ps;
 
-			hdc = BeginPaint(SDL_Window, &ps);
-			if ( current_video->screen &&
-			     !(current_video->screen->flags & SDL_OPENGL) ) {
-				WIN_WinPAINT(current_video, hdc);
-			}
-			EndPaint(SDL_Window, &ps);
-		}
-		return(0);
+            hdc = BeginPaint(SDL_Window, &ps);
+            if (current_video->screen &&
+                !(current_video->screen->flags & SDL_INTERNALOPENGL)) {
+                WIN_WinPAINT(current_video, hdc);
+            }
+            EndPaint(SDL_Window, &ps);
+        }
+        return (0);
 
-		/* DJM: Send an expose event in this case */
-		case WM_ERASEBKGND: {
-			posted = SDL_PrivateExpose();
-		}
-		return(0);
+        /* DJM: Send an expose event in this case */
+    case WM_ERASEBKGND:
+        {
+            posted = SDL_PrivateExpose();
+        }
+        return (0);
 
-		case WM_CLOSE: {
-			if ( (posted = SDL_PrivateQuit()) )
-				PostQuitMessage(0);
-		}
-		return(0);
+    case WM_CLOSE:
+        {
+            if ((posted = SDL_PrivateQuit()))
+                PostQuitMessage(0);
+        }
+        return (0);
 
-		case WM_DESTROY: {
-			PostQuitMessage(0);
-		}
-		return(0);
+    case WM_DESTROY:
+        {
+            PostQuitMessage(0);
+        }
+        return (0);
 
 #ifndef NO_GETKEYBOARDSTATE
-		case WM_INPUTLANGCHANGE: {
-			codepage = GetCodePage();
-		}
-		return(TRUE);
+    case WM_INPUTLANGCHANGE:
+        {
+            codepage = GetCodePage();
+        }
+        return (TRUE);
 #endif
 
-		default: {
-			/* Special handling by the video driver */
-			if (HandleMessage) {
-				return(HandleMessage(current_video,
-			                     hwnd, msg, wParam, lParam));
-			}
-		}
-		break;
-	}
-	return(DefWindowProc(hwnd, msg, wParam, lParam));
+    default:
+        {
+            /* Special handling by the video driver */
+            if (HandleMessage) {
+                return (HandleMessage(current_video,
+                                      hwnd, msg, wParam, lParam));
+            }
+        }
+        break;
+    }
+    return (DefWindowProc(hwnd, msg, wParam, lParam));
 }
 
 /* Allow the application handle to be stored and retrieved later */
 static void *SDL_handle = NULL;
 
-void SDL_SetModuleHandle(void *handle)
+void
+SDL_SetModuleHandle(void *handle)
 {
-	SDL_handle = handle;
+    SDL_handle = handle;
 }
-void *SDL_GetModuleHandle(void)
+
+void *
+SDL_GetModuleHandle(void)
 {
-	void *handle;
+    void *handle;
 
-	if ( SDL_handle ) {
-		handle = SDL_handle;
-	} else {
-		handle = GetModuleHandle(NULL);
-	}
-	return(handle);
+    if (SDL_handle) {
+        handle = SDL_handle;
+    } else {
+        handle = GetModuleHandle(NULL);
+    }
+    return (handle);
 }
 
 /* This allows the SDL_WINDOWID hack */
@@ -752,137 +784,145 @@
 static int app_registered = 0;
 
 /* Register the class for this application -- exported for winmain.c */
-int SDL_RegisterApp(char *name, Uint32 style, void *hInst)
+int
+SDL_RegisterApp(char *name, Uint32 style, void *hInst)
 {
-	WNDCLASS class;
+    WNDCLASS class;
 #ifdef WM_MOUSELEAVE
-	HMODULE handle;
+    HMODULE handle;
 #endif
 
-	/* Only do this once... */
-	if ( app_registered ) {
-		++app_registered;
-		return(0);
-	}
-
+    /* Only do this once... */
+    if (app_registered) {
+        ++app_registered;
+        return (0);
+    }
 #ifndef CS_BYTEALIGNCLIENT
 #define CS_BYTEALIGNCLIENT	0
 #endif
-	if ( ! name && ! SDL_Appname ) {
-		name = "SDL_app";
-		SDL_Appstyle = CS_BYTEALIGNCLIENT;
-		SDL_Instance = hInst ? hInst : SDL_GetModuleHandle();
-	}
+    if (!name && !SDL_Appname) {
+        name = "SDL_app";
+        SDL_Appstyle = CS_BYTEALIGNCLIENT;
+        SDL_Instance = hInst ? hInst : SDL_GetModuleHandle();
+    }
 
-	if ( name ) {
+    if (name) {
 #ifdef _WIN32_WCE
-		/* WinCE uses the UNICODE version */
-		SDL_Appname = SDL_iconv_utf8_ucs2(name);
+        /* WinCE uses the UNICODE version */
+        SDL_Appname = SDL_iconv_utf8_ucs2(name);
 #else
-		SDL_Appname = SDL_iconv_utf8_latin1(name);
+        SDL_Appname = SDL_iconv_utf8_latin1(name);
 #endif /* _WIN32_WCE */
-		SDL_Appstyle = style;
-		SDL_Instance = hInst ? hInst : SDL_GetModuleHandle();
-	}
+        SDL_Appstyle = style;
+        SDL_Instance = hInst ? hInst : SDL_GetModuleHandle();
+    }
 
-	/* Register the application class */
-	class.hCursor		= NULL;
-	class.hIcon		= LoadImage(SDL_Instance, SDL_Appname,
-				            IMAGE_ICON,
-	                                    0, 0, LR_DEFAULTCOLOR);
-	class.lpszMenuName	= NULL;
-	class.lpszClassName	= SDL_Appname;
-	class.hbrBackground	= NULL;
-	class.hInstance		= SDL_Instance;
-	class.style		= SDL_Appstyle;
+    /* Register the application class */
+    class.hCursor = NULL;
+    class.hIcon = LoadImage(SDL_Instance, SDL_Appname,
+                            IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR);
+    class.lpszMenuName = NULL;
+    class.lpszClassName = SDL_Appname;
+    class.hbrBackground = NULL;
+    class.hInstance = SDL_Instance;
+    class.style = SDL_Appstyle;
 #if SDL_VIDEO_OPENGL
-	class.style		|= CS_OWNDC;
+    class.style |= CS_OWNDC;
 #endif
-	class.lpfnWndProc	= WinMessage;
-	class.cbWndExtra	= 0;
-	class.cbClsExtra	= 0;
-	if ( ! RegisterClass(&class) ) {
-		SDL_SetError("Couldn't register application class");
-		return(-1);
-	}
-
+    class.lpfnWndProc = WinMessage;
+    class.cbWndExtra = 0;
+    class.cbClsExtra = 0;
+    if (!RegisterClass(&class)) {
+        SDL_SetError("Couldn't register application class");
+        return (-1);
+    }
 #ifdef WM_MOUSELEAVE
-	/* Get the version of TrackMouseEvent() we use */
-	_TrackMouseEvent = NULL;
-	handle = GetModuleHandle("USER32.DLL");
-	if ( handle ) {
-		_TrackMouseEvent = (BOOL (WINAPI *)(TRACKMOUSEEVENT *))GetProcAddress(handle, "TrackMouseEvent");
-	}
-	if ( _TrackMouseEvent == NULL ) {
-		_TrackMouseEvent = WIN_TrackMouseEvent;
-	}
+    /* Get the version of TrackMouseEvent() we use */
+    _TrackMouseEvent = NULL;
+    handle = GetModuleHandle("USER32.DLL");
+    if (handle) {
+        _TrackMouseEvent =
+            (BOOL(WINAPI *) (TRACKMOUSEEVENT *)) GetProcAddress(handle,
+                                                                "TrackMouseEvent");
+    }
+    if (_TrackMouseEvent == NULL) {
+        _TrackMouseEvent = WIN_TrackMouseEvent;
+    }
 #endif /* WM_MOUSELEAVE */
 
 #ifndef NO_GETKEYBOARDSTATE
-	/* Initialise variables for SDL_ToUnicode() */
-	codepage = GetCodePage();
-	SDL_ToUnicode = Is9xME() ? ToUnicode9xME : ToUnicode;
+    /* Initialise variables for SDL_ToUnicode() */
+    codepage = GetCodePage();
+    SDL_ToUnicode = Is9xME()? ToUnicode9xME : ToUnicode;
 #endif
 
-	app_registered = 1;
-	return(0);
+    app_registered = 1;
+    return (0);
 }
 
 /* Unregisters the windowclass registered in SDL_RegisterApp above. */
-void SDL_UnregisterApp()
+void
+SDL_UnregisterApp()
 {
-	WNDCLASS class;
+    WNDCLASS class;
 
-	/* SDL_RegisterApp might not have been called before */
-	if ( !app_registered ) {
-		return;
-	}
-	--app_registered;
-	if ( app_registered == 0 ) {
-		/* Check for any registered window classes. */
-		if ( GetClassInfo(SDL_Instance, SDL_Appname, &class) ) {
-			UnregisterClass(SDL_Appname, SDL_Instance);
-		}
-		SDL_free(SDL_Appname);
-		SDL_Appname = NULL;
-	}
+    /* SDL_RegisterApp might not have been called before */
+    if (!app_registered) {
+        return;
+    }
+    --app_registered;
+    if (app_registered == 0) {
+        /* Check for any registered window classes. */
+        if (GetClassInfo(SDL_Instance, SDL_Appname, &class)) {
+            UnregisterClass(SDL_Appname, SDL_Instance);
+        }
+        SDL_free(SDL_Appname);
+        SDL_Appname = NULL;
+    }
 }
 
 #ifndef NO_GETKEYBOARDSTATE
 /* JFP: Implementation of ToUnicode() that works on 9x/ME/2K/XP */
 
-static int Is9xME()
+static int
+Is9xME()
 {
-	OSVERSIONINFO   info;
+    OSVERSIONINFO info;
 
-	SDL_memset(&info, 0, sizeof(info));
-	info.dwOSVersionInfoSize = sizeof(info);
-	if (!GetVersionEx(&info)) {
-		return 0;
-	}
-	return (info.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS);
+    SDL_memset(&info, 0, sizeof(info));
+    info.dwOSVersionInfoSize = sizeof(info);
+    if (!GetVersionEx(&info)) {
+        return 0;
+    }
+    return (info.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS);
 }
 
-static int GetCodePage()
+static int
+GetCodePage()
 {
-	char	buff[8];
-	int	lcid = MAKELCID(LOWORD(GetKeyboardLayout(0)), SORT_DEFAULT);
-	int	cp = GetACP();
+    char buff[8];
+    int lcid = MAKELCID(LOWORD(GetKeyboardLayout(0)), SORT_DEFAULT);
+    int cp = GetACP();
 
-	if (GetLocaleInfo(lcid, LOCALE_IDEFAULTANSICODEPAGE, buff, sizeof(buff))) {
-		cp = SDL_atoi(buff);
-	}
-	return cp;
+    if (GetLocaleInfo(lcid, LOCALE_IDEFAULTANSICODEPAGE, buff, sizeof(buff))) {
+        cp = SDL_atoi(buff);
+    }
+    return cp;
 }
 
-static int WINAPI ToUnicode9xME(UINT vkey, UINT scancode, PBYTE keystate, LPWSTR wchars, int wsize, UINT flags)
+static int WINAPI
+ToUnicode9xME(UINT vkey, UINT scancode, PBYTE keystate, LPWSTR wchars,
+              int wsize, UINT flags)
 {
-	BYTE	chars[2];
+    BYTE chars[2];
 
-	if (ToAsciiEx(vkey, scancode, keystate, (WORD*)chars, 0, GetKeyboardLayout(0)) == 1) {
-		return MultiByteToWideChar(codepage, 0, chars, 1, wchars, wsize);
-	}
-	return 0;
+    if (ToAsciiEx
+        (vkey, scancode, keystate, (WORD *) chars, 0,
+         GetKeyboardLayout(0)) == 1) {
+        return MultiByteToWideChar(codepage, 0, chars, 1, wchars, wsize);
+    }
+    return 0;
 }
 
 #endif /* !NO_GETKEYBOARDSTATE */
+/* vi: set ts=4 sw=4 expandtab: */