Ubuntu overlay scrollbar changes the GtkWindowGroup for its toplevel, which is
disastrous for modal windows. Put in a hack to detect and undo this.
Fixes#14855
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73196 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Using GTK_WIDGET_VISIBLE() to test for sensitivity was not going to work (and,
in fact, it didn't and broke the unit tests).
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67642 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
We support building against newer GTK+ version and using an older
one at runtime, so we must provide our implementations of these
functions even if GTK_CHECK_VERSION would indicate the function is
already available in GTK+.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67319 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
