Hello!
The following code works for me. The frame is taken from the linux FAQ.
If it works for others too, you might want to add it to the windows or
general SDL FAQ…
(The “::” seem to be needed in MFC applications.)
Ciao,
Eike----------------------------------------------------------------
#include “SDL_syswm.h”
static void SDL_center_window(SDL_Surface *screen)
{
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
if ( SDL_GetWMInfo(&info) > 0 ) {
int x, y;
int w, h;
#ifdef unix
if ( info.subsystem == SDL_SYSWM_X11 ) {
info.info.x11.lock_func();
w = DisplayWidth(info.info.x11.display,
DefaultScreen(info.info.x11.display));
h = DisplayHeight(info.info.x11.display,
DefaultScreen(info.info.x11.display));
x = (w - screen->w)/2;
y = (h - screen->h)/2;
XMoveWindow(info.info.x11.display, info.info.x11.wmwindow, x,
y);
info.info.x11.unlock_func();
}
#elif defined(WIN32)
RECT windowRect, desktopRect;
HWND desktop = GetDesktopWindow();
::GetWindowRect(desktop, &desktopRect);
::GetWindowRect(info.window, &windowRect);
int desktopWidth = desktopRect.right - desktopRect.left;
int desktopHeight = desktopRect.bottom - desktopRect.top;
w = windowRect.right - windowRect.left;
h = windowRect.bottom - windowRect.top;
x = (desktopWidth - w) / 2;
y = (desktopHeight - h) / 2;
::MoveWindow(info.window, x, y, w, h, true);
#else
#warning Need to implement these functions for other systems
#endif
}
}