From b5c45762c9c0aef7b849edfeb7d548ff40b03b4b Mon Sep 17 00:00:00 2001
From: YuSanka <yusanka@gmail.com>
Date: Tue, 4 Jan 2022 17:16:16 +0100
Subject: [PATCH] Follow up to
 https://github.com/prusa3d/PrusaSlicer/commit/229df98386e5bd9ba7e2006059ac7ac0c78a88be
 - fixed non-MSW builds

---
 src/slic3r/GUI/GUI_App.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index 37b3f60cc7..5a28abedd3 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -1388,11 +1388,13 @@ void GUI_App::update_label_colours()
         tab->update_label_colours();
 }
 
+#ifdef _WIN32
 static bool is_focused(HWND hWnd)
 {
     HWND hFocusedWnd = ::GetFocus();
     return hFocusedWnd && hWnd == hFocusedWnd;
 }
+#endif
 
 void GUI_App::UpdateDarkUI(wxWindow* window, bool highlited/* = false*/, bool just_font/* = false*/)
 {