type of wxEVT_MOUSEWHEEL.
wxMouseEvent has new members and accessors to transport mouse wheel
rotation data. New members and accessors are documented.
wxGenericScrolledWindow modified to turn mouse wheel events into
scroll actions.
Added wxUSE_MOUSEWHEEL to setup0.h to allow disabling the platform
specific parts.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9990 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2. bug with multiline messages in wxLogGui fixed
3. wxLogGui visual enhancements (for MSW, don't know how it looks elsewhere)
4. fixed 2 nice (i.e. BIG) memory leaks in wxImage::Rotate()
5. modified the text sample to show the mouse events too
6. documented strange behaviour of LEAVE_WINDOW mouse event under MSW
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5958 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
