Norman Vine wrote:
>
> FYI the snippet below which I have posted before seems to work nicely
> for toggling btween an un-decorated fullscreen window and a decorated
> one and should be easy enough to port to the 'new' OS methodology
untested but I think this will work as an alternative to game-mode for WIN32
note this assumes that the Window and OpenGL have all been properly
initialized ahead of time
Norman
#ifdef WIN32
void fgToggleFullScreen( HWIN win, bool flag )
{
static int ScreenWidth, ScreenHeight;
static int windowX, windowY;
static int windowWidth, windowHeight;
static int isFullScreen = 0;
static int been_here = 0;
if( !been_here)
{
DEVMODE dm;
memset(&dm,0,sizeof(dm));
dm.dmSize = sizeof(dm);
EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dm);
screenWidth = dm.dmPelsWidth;
screenHeight = dm.dmPelsHeight;
}
RECT rect;
if( flag == isFullScreen )
return;
if (getParent(win))
return;
DWORD style = GetWindowLong(win, GWL_STYLE);
isFullScreen = flag;
if (isFullScreen)
{
getWindowRect(win,&rect);
/* stash these */
windowX = rect.left;
windowY = rect.top;
windowWidth = rect.right - rect.left;
windowheight = rect.top - rect.bottom;
/* force fullscreen mode */
style = GetWindowLong(win, GWL_STYLE);
style &= ~WS_OVERLAPPEDWINDOW;
style |= WS_POPUP;
SetWindowLong(win, GWL_STYLE, style);
SetWindowPos(win,
HWND_TOP,
0, 0,
screenWidth, screenHeight,
SWP_FRAMECHANGED);
}
else
{
UINT flags = SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOOWNERZORDER |
SWP_NOSENDCHANGING |
SWP_NOSIZE | SWP_NOZORDER;
/* Get rid of fullscreen mode, if it exists */
if ( style & WS_POPUP )
{
style &= ~WS_POPUP;
style |= WS_OVERLAPPEDWINDOW;
SetWindowLong(win, GWL_STYLE, style);
flags |= SWP_FRAMECHANGED;
}
flags &= ~SWP_NOMOVE;
flags &= ~SWP_NOSIZE;
// map Y up convention to Y down for windows
rect.left = windowX;
rect.top = screenHeight - windowY - windowHeight;
rect.bottom = screenHeight - windowY;
rect.right = windowWidth + windowX;
// adjust from client dimensions to window outer dimentions
AdjustWindowRectEx(&rect, WS_OVERLAPPEDWINDOW, FALSE, WS_EX_APPWINDOW |
WS_EX_WINDOWEDGE);
int x = rect.left;
int y = rect.top;
int w = rect.right - rect.left;
int h = rect.bottom - rect.top;
SetWindowPos(win,
HWND_TOP,
x, y, w, h,
flags);
}
}
#endif // WIN32
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