From: Luca Bacci <luca.bacci982@gmail.com>
Date: Thu, 6 Oct 2022 09:26:50 +0000 (+0200)
Subject: GdkWin32: Return TRUE when processing WM_XBUTTONDOWN/UP messages
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~9^2~183^2~1
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=d6f7449636b47a7f4a5bf93df578697ea8f3ef93;p=gtk4.git

GdkWin32: Return TRUE when processing WM_XBUTTONDOWN/UP messages

As documented on MSDN:

> Unlike the WM_LBUTTONUP, WM_MBUTTONUP, and WM_RBUTTONUP messages, an
> application should return TRUE from this message if it processes it.
---

diff --git a/gdk/win32/gdkevents-win32.c b/gdk/win32/gdkevents-win32.c
index f85aca6506..cdabceeca8 100644
--- a/gdk/win32/gdkevents-win32.c
+++ b/gdk/win32/gdkevents-win32.c
@@ -2229,6 +2229,7 @@ gdk_event_translate (MSG *msg,
       generate_button_event (GDK_BUTTON_PRESS, button,
 			     window, msg);
 
+      *ret_valp = (msg->message == WM_XBUTTONDOWN ? TRUE : 0);
       return_val = TRUE;
       break;
 
@@ -2312,6 +2313,7 @@ gdk_event_translate (MSG *msg,
           mouse_window_ignored_leave = NULL;
         }
 
+      *ret_valp = (msg->message == WM_XBUTTONUP ? TRUE : 0);
       return_val = TRUE;
       break;
     }