--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/wincommon/SDL_syswm.c	Thu Apr 26 16:45:43 2001 +0000
@@ -0,0 +1,276 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999  Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public
+    License along with this library; if not, write to the Free
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Sam Lantinga
+    slouken@devolution.com
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id$"
+#endif
+
+#include <stdio.h>
+#include <malloc.h>
+#include <windows.h>
+
+#include "SDL_version.h"
+#include "SDL_error.h"
+#include "SDL_video.h"
+#include "SDL_syswm.h"
+#include "SDL_syswm_c.h"
+#include "SDL_pixels_c.h"
+
+#ifdef _WIN32_WCE
+#define DISABLE_ICON_SUPPORT
+#endif
+
+/*	RJR: March 28, 2000
+	we need "SDL_cursor_c.h" for mods to WIN_GrabInput */
+#include "SDL_cursor_c.h"
+
+/* The screen icon -- needs to be freed on SDL_VideoQuit() */
+HICON   screen_icn = NULL;
+
+/* Win32 icon mask semantics are different from those of SDL:
+     SDL applies the mask to the icon and copies result to desktop.
+     Win32 applies the mask to the desktop and XORs the icon on.
+   This means that the SDL mask needs to be applied to the icon and
+   then inverted and passed to Win32.
+*/
+void WIN_SetWMIcon(_THIS, SDL_Surface *icon, Uint8 *mask)
+{
+#ifdef DISABLE_ICON_SUPPORT
+	return;
+#else
+	SDL_Palette *pal_256;
+	SDL_Surface *icon_256;
+	Uint8 *pdata, *pwin32;
+	Uint8 *mdata, *mwin32, m = 0;
+	int icon_len;
+	int icon_plen;
+	int icon_mlen;
+	int icon_pitch;
+	int mask_pitch;
+	SDL_Rect bounds;
+	int i, skip;
+	int row, col;
+	struct /* quasi-BMP format */ Win32Icon {
+		Uint32 biSize;
+		Sint32 biWidth;
+		Sint32 biHeight;
+		Uint16 biPlanes;
+		Uint16 biBitCount;
+		Uint32 biCompression;
+		Uint32 biSizeImage;
+		Sint32 biXPelsPerMeter;
+		Sint32 biYPelsPerMeter;
+		Uint32 biClrUsed;
+		Uint32 biClrImportant;
+		struct /* RGBQUAD -- note it's BGR ordered */ {
+			Uint8 rgbBlue;
+			Uint8 rgbGreen;
+			Uint8 rgbRed;
+			Uint8 rgbReserved;
+		} biColors[256];
+		/* Pixels:
+		Uint8 pixels[]
+		*/
+		/* Mask:
+		Uint8 mask[]
+		*/
+	} *icon_win32;
+	
+	/* Allocate the win32 bmp icon and set everything to zero */
+	icon_pitch = ((icon->w+3)&~3);
+	mask_pitch = ((icon->w+7)/8);
+	icon_plen = icon->h*icon_pitch;
+	icon_mlen = icon->h*mask_pitch;
+	icon_len = sizeof(*icon_win32)+icon_plen+icon_mlen;
+	icon_win32 = (struct Win32Icon *)alloca(icon_len);
+	if ( icon_win32 == NULL ) {
+		return;
+	}
+	memset(icon_win32, 0, icon_len);
+
+	/* Set the basic BMP parameters */
+	icon_win32->biSize = sizeof(*icon_win32)-sizeof(icon_win32->biColors);
+	icon_win32->biWidth = icon->w;
+	icon_win32->biHeight = icon->h*2;
+	icon_win32->biPlanes = 1;
+	icon_win32->biBitCount = 8;
+	icon_win32->biSizeImage = icon_plen+icon_mlen;
+
+	/* Allocate a standard 256 color icon surface */
+	icon_256 = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h,
+					 icon_win32->biBitCount, 0, 0, 0, 0);
+	if ( icon_256 == NULL ) {
+		return;
+	}
+	pal_256 = icon_256->format->palette;
+	if (icon->format->palette && 
+		(icon->format->BitsPerPixel == icon_256->format->BitsPerPixel)){
+		Uint8 black;
+		memcpy(pal_256->colors, icon->format->palette->colors,
+					pal_256->ncolors*sizeof(SDL_Color));
+		/* Make sure that 0 is black! */
+		black = SDL_FindColor(pal_256, 0x00, 0x00, 0x00);
+		pal_256->colors[black] = pal_256->colors[0];
+		pal_256->colors[0].r = 0x00;
+		pal_256->colors[0].g = 0x00;
+		pal_256->colors[0].b = 0x00;
+	} else {
+		SDL_DitherColors(pal_256->colors,
+					icon_256->format->BitsPerPixel);
+	}
+
+	/* Now copy color data to the icon BMP */
+	for ( i=0; i<(1<<icon_win32->biBitCount); ++i ) {
+		icon_win32->biColors[i].rgbRed = pal_256->colors[i].r;
+		icon_win32->biColors[i].rgbGreen = pal_256->colors[i].g;
+		icon_win32->biColors[i].rgbBlue = pal_256->colors[i].b;
+	}
+
+	/* Convert icon to a standard surface format.  This may not always
+	   be necessary, as Windows supports a variety of BMP formats, but
+	   it greatly simplifies our code.
+	*/ 
+        bounds.x = 0;
+        bounds.y = 0;
+        bounds.w = icon->w;
+        bounds.h = icon->h;
+        if ( SDL_LowerBlit(icon, &bounds, icon_256, &bounds) < 0 ) {
+		SDL_FreeSurface(icon_256);
+                return;
+	}
+
+	/* Copy pixels upside-down to icon BMP, masked with the icon mask */
+	if ( SDL_MUSTLOCK(icon_256) || (icon_256->pitch != icon_pitch) ) {
+		SDL_FreeSurface(icon_256);
+		SDL_SetError("Warning: Unexpected icon_256 characteristics");
+		return;
+	}
+	pdata = (Uint8 *)icon_256->pixels;
+	mdata = mask;
+	pwin32 = (Uint8 *)icon_win32+sizeof(*icon_win32)+icon_plen-icon_pitch;
+	skip = icon_pitch - icon->w;
+	for ( row=0; row<icon->h; ++row ) {
+		for ( col=0; col<icon->w; ++col ) {
+			if ( (col%8) == 0 ) {
+				m = *mdata++;
+			}
+			if ( (m&0x80) != 0x00 ) {
+				*pwin32 = *pdata;
+			}
+			m <<= 1;
+			++pdata;
+			++pwin32;
+		}
+		pdata  += skip;
+		pwin32 += skip;
+		pwin32 -= 2*icon_pitch;
+	}
+	SDL_FreeSurface(icon_256);
+
+	/* Copy mask inverted and upside-down to icon BMP */
+	mdata = mask;
+	mwin32 = (Uint8 *)icon_win32
+			+sizeof(*icon_win32)+icon_plen+icon_mlen-mask_pitch;
+	for ( row=0; row<icon->h; ++row ) {
+		for ( col=0; col<mask_pitch; ++col ) {
+			*mwin32++ = ~*mdata++;
+		}
+		mwin32 -= 2*mask_pitch;
+	}
+
+	/* Finally, create the icon handle and set the window icon */
+	screen_icn = CreateIconFromResourceEx((Uint8 *)icon_win32, icon_len,
+			TRUE, 0x00030000, icon->w, icon->h, LR_DEFAULTCOLOR);
+	if ( screen_icn == NULL ) {
+		SDL_SetError("Couldn't create Win32 icon handle");
+	} else {
+		SetClassLong(SDL_Window, GCL_HICON, (LONG)screen_icn);
+	}
+#endif /* DISABLE_ICON_SUPPORT */
+}
+
+void WIN_SetWMCaption(_THIS, const char *title, const char *icon)
+{
+#ifdef _WIN32_WCE
+	/* WinCE uses the UNICODE version */
+	int nLen = strlen(title);
+	LPWSTR lpszW = alloca((nLen+1)*2);
+	MultiByteToWideChar(CP_ACP, 0, title, -1, lpszW, nLen);
+	SetWindowText(SDL_Window, lpszW);
+#else
+	SetWindowText(SDL_Window, title);
+#endif
+}
+
+int WIN_IconifyWindow(_THIS)
+{
+	ShowWindow(SDL_Window, SW_MINIMIZE);
+	return(1);
+}
+
+SDL_GrabMode WIN_GrabInput(_THIS, SDL_GrabMode mode)
+{
+	if ( mode == SDL_GRAB_OFF ) {
+		ClipCursor(NULL);
+		if ( !(SDL_cursorstate & CURSOR_VISIBLE) ) {
+		/*	RJR: March 28, 2000
+			must be leaving relative mode, move mouse from
+			center of window to where it belongs ... */
+			POINT pt;
+			int x, y;
+			SDL_GetMouseState(&x,&y);
+			pt.x = x;
+			pt.y = y;
+			ClientToScreen(SDL_Window, &pt);
+			SetCursorPos(pt.x,pt.y);
+		}
+	} else {
+		ClipCursor(&SDL_bounds);
+		if ( !(SDL_cursorstate & CURSOR_VISIBLE) ) {
+		/*	RJR: March 28, 2000
+			must be entering relative mode, get ready by
+			moving mouse to	center of window ... */
+			POINT pt;
+			pt.x = (SDL_VideoSurface->w/2);
+			pt.y = (SDL_VideoSurface->h/2);
+			ClientToScreen(SDL_Window, &pt);
+			SetCursorPos(pt.x, pt.y);
+		}
+	}
+	return(mode);
+}
+
+/* If 'info' is the right version, this function fills it and returns 1.
+   Otherwise, in case of a version mismatch, it returns -1.
+*/
+int WIN_GetWMInfo(_THIS, SDL_SysWMinfo *info)
+{
+	if ( info->version.major <= SDL_MAJOR_VERSION ) {
+		info->window = SDL_Window;
+		return(1);
+	} else {
+		SDL_SetError("Application not compiled with SDL %d.%d\n",
+					SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
+		return(-1);
+	}
+}