From 0d2b3d1d68fc3be692acbfaee39fd6b30c3f1f11 Mon Sep 17 00:00:00 2001
From: David Capello <davidcapello@gmail.com>
Date: Thu, 7 Aug 2014 08:44:30 -0300
Subject: [PATCH] Don't show Win32 scrollbar popup when the window is
 right-clicked in the scrollbars area

---
 src/she/alleg4/she_alleg4.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/she/alleg4/she_alleg4.cpp b/src/she/alleg4/she_alleg4.cpp
index d1196f152..3101731f3 100644
--- a/src/she/alleg4/she_alleg4.cpp
+++ b/src/she/alleg4/she_alleg4.cpp
@@ -210,6 +210,10 @@ static LRESULT CALLBACK wndproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lpara
         msg == WM_RBUTTONUP ? Event::RightButton:
         msg == WM_MBUTTONUP ? Event::MiddleButton: Event::NoneButton);
       queue_event(ev);
+
+      // Avoid popup menu for scrollbars
+      if (msg == WM_RBUTTONUP)
+        return 0;
       break;
     }