[SDL] How to integrate SDL as a child Window

[L-28C]

Sorry for double posting, I just realized that I forgot to say I did 
initialize SDL somewhere else before the call to that code. *Embarrass*

L-28C wrote:
> Wow... I came here to ask that same question, and this was at the top of 
> the list... What a coincidence. O_O
> 
> Anyway, Mr. Byard, you might be wrong:
> http://www.polplex.co.uk/~tigger/sdl/
> 
> And I say "might" because I tried a modified (non-C++) version and it 
> crashes after the first call to SDL_BlitSurface... Here's my code:
> 
> (Note that I did put error checks on stuff like SDL_CreateRGBSurface, I 
> just removed it to make the code shorter)
> 
> ----------<code/>---------
> 	int bmsize;
> 	HDC dc = GetDC(g_WindowHandle);
> 	BITMAPINFO *bmi;
> 	BITMAPINFOHEADER bh;
> 	WNDCLASSEX wc;
> 	
> 	/* Create the window */
> 	
> 	wc.cbSize		= sizeof(WNDCLASSEX);
> 	wc.style		 = 0;
> 	wc.lpfnWndProc   = WndProc;
> 	wc.cbClsExtra	= 0;
> 	wc.cbWndExtra	= 0;
> 	wc.hInstance	 = a_hInstance;
> 	wc.hIcon		 = LoadIcon(NULL, IDI_APPLICATION);
> 	wc.hCursor	   = LoadCursor(NULL, IDC_ARROW);
> 	wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
> 	wc.lpszMenuName  = NULL;
> 	wc.lpszClassName = "scorchWindowClass";
> 	wc.hIconSm	   = LoadIcon(NULL, IDI_APPLICATION);
> 	
> 	g_WindowHandle = CreateWindowEx(
> 		WS_EX_CLIENTEDGE,
> 		"scorchWindowclass",
> 		"YASEC = Yet Another Scorched Earth Clone",
> 		WS_OVERLAPPEDWINDOW,
> 		CW_USEDEFAULT, CW_USEDEFAULT, a_Width, a_Height,
> 		NULL, NULL, a_hInstance, NULL);
> 
> 	ShowWindow(g_WindowHandle, a_CmdShow);
> 	UpdateWindow(g_WindowHandle);
> 
> 	/* Create the surface */
> 	g_Screen =
> 		SDL_CreateRGBSurface(SDL_SWSURFACE, a_Width, a_Height, SCR_DEPTH, 0, 
> 0, 0, 0);
> 	
> 	/* Get width and height */
> 	g_ScreenWidth = g_Screen->w;
> 	g_ScreenHeight = g_Screen->h;
> 
> 	bmsize = sizeof(BITMAPINFO);
> 	
> 	if(g_Screen->format->palette)
> 	{
> 		bmsize += g_Screen->format->palette->ncolors *
> 			sizeof(RGBQUAD);
> 	}
> 	else
> 	{
> 		bmsize += 3*sizeof(DWORD);
> 	}
> 
> 	bmi = (BITMAPINFO*)malloc(bmsize);
> 	/* Clear struct */
> 	memset((void*)&bh, 0, sizeof(BITMAPINFOHEADER));
> 
> 	/* Initialize struct */
> 	bh.biSize = sizeof(BITMAPINFOHEADER);
> 	bh.biWidth = g_Screen->w;
> 	bh.biHeight = -g_Screen->h;	/* -ve for topdown bitmap */
> 	bh.biPlanes = 1;
> 	bh.biSizeImage = g_Screen->h * g_Screen->pitch;
> 	bh.biXPelsPerMeter = 0;
> 	bh.biYPelsPerMeter = 0;
> 	bh.biClrUsed = 0;
> 	bh.biClrImportant = 0;
> 	bh.biBitCount = g_Screen->format->BitsPerPixel;
> 	bh.biCompression = BI_BITFIELDS;
> 
> 	bmi->bmiHeader=bh;
> 
> 	((Uint32*)bmi->bmiColors)[0] = g_Screen->format->Rmask;
> 	((Uint32*)bmi->bmiColors)[1] = g_Screen->format->Gmask;
> 	((Uint32*)bmi->bmiColors)[2] = g_Screen->format->Bmask;
> 
> 	g_WindowBitmap = CreateDIBSection(dc, bmi, DIB_RGB_COLORS,
> 		(void **)(&g_Screen->pixels), NULL, 0);
> 
> 	/* Free memory */
> 	free(bmi);
> 	ReleaseDC(g_WindowHandle, dc);
> 	
> 	return 0;
> ---------</code>----------
> 
> Any ideas? Thanks!
> 
> Edward Byard wrote:
>> Short answer is; no.
>>
>> It would be very useful but SDL 1.2 can't do this; fingers crossed for 
>> 1.3....
>>
>> ----- Original Message ----
>> From: Mine <mine260309 at gmail.com>
>> To: A list for developers using the SDL library. (includes SDL-announce) 
>> <sdl at lists.libsdl.org>
>> Sent: Thursday, 15 November, 2007 7:35:30 AM
>> Subject: [SDL] How to integrate SDL as a child Window
>>
>> Hi All,
>>     I'm using SDL on Windows XP. And I want to use it as a child window 
>> in my application.
>>     There is a new window created by SetVideoMode, is there any way to 
>> set it as my application's child window instead of a stand alone window? 
>> That is to say, I want it to have no task bar, no title bar (this is OK 
>> by SDL_NOFRAME), when the focus is in SDL window, the application's main 
>> windows is also focused.
>>     Is there a way to implement that?
>> -- 
>> Mine
>>
>>
>> ------------------------------------------------------------------------
>> For ideas on reducing your carbon footprint visit Yahoo! For Good 
>> <http://uk.promotions.yahoo.com/forgood/environment.html> this month.
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> SDL mailing list
>> SDL at lists.libsdl.org
>> http://lists.libsdl.org/listinfo.cgi/sdl-libsdl.org