X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1e5b533ec0a5b459fe2ac58abd6f21e5b1e51a92..4a2d030adfa836f6ada1830c9057170d053bcc64:/src/msw/toplevel.cpp

diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp
index 1a77562f51..37b3a3d0a7 100644
--- a/src/msw/toplevel.cpp
+++ b/src/msw/toplevel.cpp
@@ -4,7 +4,6 @@
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     24.09.01
-// RCS-ID:      $Id$
 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
@@ -1101,6 +1100,12 @@ bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
 
         newStyle &= ~offFlags;
 
+        // Full screen windows should logically be popups as they don't have
+        // decorations (and are definitely not children) and while not using
+        // this style doesn't seem to make any difference for most windows, it
+        // breaks wxGLCanvas in some cases, see #15434, so just always use it.
+        newStyle |= WS_POPUP;
+
         // change our window style to be compatible with full-screen mode
         ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);