From 7941659ad049143f7a0946a48bc8c384bcfca32d Mon Sep 17 00:00:00 2001
From: ts-korhonen <teemu.s.korhonen@gmail.com>
Date: Tue, 15 Jun 2021 15:26:04 +0300
Subject: [PATCH] Ignore key events in message pump if they aren't
 accelerators. Fixes alt-f4 closing sdl renderer window.

---
 src/win/win_ui.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/win/win_ui.c b/src/win/win_ui.c
index 002cb270d..0c74499a9 100644
--- a/src/win/win_ui.c
+++ b/src/win/win_ui.c
@@ -1533,7 +1533,15 @@ ui_init(int nCmdShow)
 		break;
 	}
 
-	if (! TranslateAccelerator(hwnd, haccel, &messages)) {
+	if (! TranslateAccelerator(hwnd, haccel, &messages))
+	{
+		/* Don't process other keypresses. */
+		if (messages.message == WM_SYSKEYDOWN ||
+			messages.message == WM_SYSKEYUP ||
+			messages.message == WM_KEYDOWN ||
+			messages.message == WM_KEYUP)
+			continue;
+
                 TranslateMessage(&messages);
                 DispatchMessage(&messages);
 	}