From e55eabf69fca12611c769325f539e3d75d0badc1 Mon Sep 17 00:00:00 2001
From: MatthiasWM <visualc.git@matthiasm.com>
Date: Sun, 21 Dec 2025 23:02:35 +0100
Subject: Win32: Add FL_APP_ACTIVATE and DEACTIVATE

---
 src/Fl_win32.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/Fl_win32.cxx b/src/Fl_win32.cxx
index cad32aa1c..728e25557 100644
--- a/src/Fl_win32.cxx
+++ b/src/Fl_win32.cxx
@@ -1466,7 +1466,9 @@ static LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lPar
           if ((GetAsyncKeyState(VK_LWIN) | GetAsyncKeyState(VK_RWIN)) & ~1)
             state |= FL_META;
           Fl::e_state = state;
-          return 0;
+          Fl::handle(FL_APP_ACTIVATE, nullptr);
+        } else {
+          Fl::handle(FL_APP_DEACTIVATE, nullptr);
         }
         break;
 
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