internal: fix interactions with fakefullscreen (#4113)

- In a maximized window, unstuck fakefullscreen from on state
- In a fakefullscreen window, going in and out of fullscreen state
  keep the fakefullscreen state rendered

1 files changed, 1 insertions, 0 deletions

diff --git a/src/Window.hpp b/src/Window.hpp
index 810400d7..c4f2a15d 100644
--- a/src/Window.hpp
+++ b/src/Window.hpp
@@ -366,6 +366,7 @@ class CWindow {
     bool                     opaque();
     float                    rounding();
     bool                     canBeTorn();
+    bool                     shouldSendFullscreenState();
 
     int                      getRealBorderSize();
     void                     updateSpecialRenderData();