internal: minor fixups for fading out xwayland windows

fixes #4935

1 files changed, 1 insertions, 0 deletions

diff --git a/src/Window.hpp b/src/Window.hpp
index 2a19cfa5..cb4fc057 100644
--- a/src/Window.hpp
+++ b/src/Window.hpp
@@ -395,6 +395,7 @@ class CWindow {
     bool                     canBeTorn();
     bool                     shouldSendFullscreenState();
     void                     setSuspended(bool suspend);
+    bool                     visibleOnMonitor(CMonitor* pMonitor);
 
     int                      getRealBorderSize();
     void                     updateSpecialRenderData();