[gtk: 2/4] GdkWin32: Return TRUE when processing WM_XBUTTONDOWN/UP messages

[Luca Bacci <lbacci src gnome org>]

commit d6f7449636b47a7f4a5bf93df578697ea8f3ef93
Author: Luca Bacci <luca bacci982 gmail com>
Date:   Thu Oct 6 11:26:50 2022 +0200

    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.

 gdk/win32/gdkevents-win32.c | 2 ++
 1 file changed, 2 insertions(+)
---
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;
     }