//Every Windows Message will hit this function.
LRESULT CALLBACK GlobalWndProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
//Hold our target window instance
SystemWindow *targetWindow = NULL;
//If it's the WM_NCCREATE message (which should be the first message we get...)
if(msg == WM_NCCREATE) {
//Pull the target window out of the lpCreateParams which is the this pointer we pass into CreateWindowEx
targetWindow = reinterpret_cast<SystemWindow*>((LONG)((LPCREATESTRUCT)lparam)->lpCreateParams);
//Set the pointer to this instance in the GWLP_USERDATA so we can pull it out reliably in the future
SetWindowLongPtrW(hwnd, GWLP_USERDATA, (LONG_PTR)targetWindow);
}
else {
//Pull the window instance out of the GWLP_USERDATA
targetWindow = reinterpret_cast<SystemWindow*>(GetWindowLongPtrW(hwnd, GWLP_USERDATA));
}
//If we still don't have a window we can't respond to any events so kick it to the default.
if(targetWindow == NULL) {
return DefWindowProc(hwnd, msg, wparam, lparam);
}
//Otherwise we're all good and we can pipe it to the instances version of the WndProc
return targetWindow->LocalWndProc(hwnd, msg, wparam, lparam);
}
bool Window::configInitSystemWindow( const uint128_t& )
{
const Pipe* pipe = getPipe();
SystemWindow* systemWindow = pipe->getWindowSystem().createWindow( this );
LBASSERT( systemWindow );
if( !systemWindow->configInit( ))
{
LBWARN << "System window initialization failed" << std::endl;
delete systemWindow;
return false;
}
setSystemWindow( systemWindow );
return true;
}
bool Window::configInitSystemWindow( const uint128_t& )
{
const Pipe* pipe = getPipe();
WindowSettings settings = getSettings();
const SystemWindow* sysWindow = _sharedContextWindow ?
_sharedContextWindow->getSystemWindow() : 0;
settings.setSharedContextWindow( sysWindow );
SystemWindow* systemWindow =
pipe->getWindowSystem().createWindow( this, settings );
LBASSERT( systemWindow );
if( !systemWindow->configInit( ))
{
LBWARN << "System window initialization failed" << std::endl;
systemWindow->configExit();
delete systemWindow;
return false;
}
setPixelViewport( systemWindow->getPixelViewport( ));
setSystemWindow( systemWindow );
return true;
}
