Fix wxRichTextCtrl code compilation with wxUSE_XML==0.

Add missing wxUSE_XML checks.

Closes #16251.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76490 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix crash in generic wxDataViewCtrl::AssociateModel(NULL).

Don't use the possibly dangling pointer.

Closes #16249.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76491 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Do not export template wxMSWOwnerDrawnButton class from the DLL.

This doesn't seem to be necessary even for ICC, finally, see #16237.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76492 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Improve RTL support in wxStyledTextCtrl.

Use the correct HDC, inheriting the right text orientation, when creating
wxMemoryDC in SurfaceImpl code.

There may still be problems with the actual RTL languages, but at the very
least English text displayed in RTL locale is not mirrored any more.

Closes #16230.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76493 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Disable wxSleep() test case for buildbot builds.

This test keeps failing just because the buildbot machine are too heavily
loaded. This is not really an error, so just avoid running this test there.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76494 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775