// depending on bFullscreen and the console variable r.FullScreenMode
EWindowMode::Type GetWindowModeType(bool bFullscreen)
{
int32 FullScreenMode = GetBoundFullScreenModeCVar();
if (FPlatformProperties::SupportsWindowedMode())
{
if(!bFullscreen)
{
return EWindowMode::Windowed;
}
if (GEngine && GEngine->HMDDevice.IsValid() )
{
return EWindowMode::Fullscreen;
}
if(FullScreenMode == 1 || FullScreenMode == 2)
{
return EWindowMode::WindowedFullscreen;
}
}
return EWindowMode::Fullscreen;
}
void FSceneViewport::ResizeFrame(uint32 NewSizeX, uint32 NewSizeY, EWindowMode::Type NewWindowMode, int32 InPosX, int32 InPosY)
{
// Resizing the window directly is only supported in the game
if( FApp::IsGame() && NewSizeX > 0 && NewSizeY > 0 )
{
FWidgetPath WidgetPath;
TSharedPtr<SWindow> WindowToResize = FSlateApplication::Get().FindWidgetWindow( ViewportWidget.Pin().ToSharedRef(), WidgetPath );
if( WindowToResize.IsValid() )
{
int32 CVarValue = GetBoundFullScreenModeCVar();
EWindowMode::Type DesiredWindowMode = GetWindowModeType(NewWindowMode);
// Avoid resizing if nothing changes.
bool bNeedsResize = SizeX != NewSizeX || SizeY != NewSizeY || NewWindowMode != DesiredWindowMode || DesiredWindowMode != WindowToResize->GetWindowMode();
if (bNeedsResize)
{
if (GEngine->HMDDevice.IsValid() && GEngine->HMDDevice->IsHMDEnabled())
{
// Resize & move only if moving to a fullscreen mode
if (NewWindowMode != EWindowMode::Windowed)
{
FSlateRect PreFullScreenRect = WindowToResize->GetRectInScreen();
IHeadMountedDisplay::MonitorInfo MonitorInfo;
if (GEngine->HMDDevice->GetHMDMonitorInfo(MonitorInfo))
{
NewSizeX = MonitorInfo.ResolutionX;
NewSizeY = MonitorInfo.ResolutionY;
if (GEngine->HMDDevice->IsFullScreenAllowed())
{
WindowToResize->ReshapeWindow(FVector2D(MonitorInfo.DesktopX, MonitorInfo.DesktopY), FVector2D(MonitorInfo.ResolutionX, MonitorInfo.ResolutionY));
}
else
{
WindowToResize->Resize(FVector2D(MonitorInfo.ResolutionX, MonitorInfo.ResolutionY));
DesiredWindowMode = EWindowMode::WindowedMirror;
}
}
GEngine->HMDDevice->PushPreFullScreenRect(PreFullScreenRect);
}
}
// Toggle fullscreen and resize
WindowToResize->SetWindowMode(DesiredWindowMode);
if (GEngine->HMDDevice.IsValid() && GEngine->HMDDevice->IsHMDEnabled())
{
if (NewWindowMode == EWindowMode::Windowed)
{
FSlateRect PreFullScreenRect;
GEngine->HMDDevice->PopPreFullScreenRect(PreFullScreenRect);
if (PreFullScreenRect.GetSize().X > 0 && PreFullScreenRect.GetSize().Y > 0 && GEngine->HMDDevice->IsFullScreenAllowed())
{
NewSizeX = PreFullScreenRect.GetSize().X;
NewSizeY = PreFullScreenRect.GetSize().Y;
WindowToResize->MoveWindowTo (FVector2D(PreFullScreenRect.Left, PreFullScreenRect.Top));
}
}
if (NewWindowMode != WindowMode)
{
// Only notify the HMD if we've actually changed modes
GEngine->HMDDevice->OnScreenModeChange(NewWindowMode);
}
}
LockMouseToViewport(!CurrentReplyState.ShouldReleaseMouseLock());
int32 NewWindowSizeX = NewSizeX;
int32 NewWindowSizeY = NewSizeY;
WindowToResize->Resize( FVector2D(NewWindowSizeX, NewWindowSizeY) );
ResizeViewport(NewWindowSizeX, NewWindowSizeY, NewWindowMode, InPosX, InPosY);
}
UCanvas::UpdateAllCanvasSafeZoneData();
}
}
}
