adding support for enabled property, avoiding missing return values

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71970 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Return correct index from wxGenericListCtrl::InsertColumn().

It used to always return 0 in the generic version, return the correct index of
the newly inserted column now.

Closes #13677.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71971 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Explicitly call base class ctor in wxRichTextFieldType copy ctor.

Failure to do this provokes g++ warnings with -Wextra and is, generally
speaking, wrong, even if it probably doesn't matter in this particular case.

See #14459.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71972 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Avoid unused variable warning in wxPropertyGrid code in non-wxGTK.

Put the variable only used in wxGTK inside "#ifdef __WXGTK__".

This fixes the warning but the real fix would be to get rid of this variable
completely and just fix whatever problem in wxWindow::Navigate() this was
supposed to work around.

See #14459.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71973 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Avoid warning about unused variable in wxGetUTCTimeMillis() in wxMSW.

Put the declaration of the variable only used under Unix inside the
corresponding "#if" branch.

See #14459.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71974 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Avoid warnings about uninitialized variables in TGA loading code.

Initialize the variables containing the colour components: even though they
should normally be always filled by Palette_GetRGB() call below, this
presumably might not happen for a corrupted image with invalid palette table
entries and g++ correctly complains about it.

See #14459.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71975 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix uninitialized variable warning in wxMSW wxFileSystemWatcher code.

This warning was harmless as the variable was in fact always initialized if
the code where it was used was reached but g++ 4.6.1 is not smart enough to
see it, just as MSVC for which we already had a workaround. So initialize it
explicitly just to suppress the warning.

See #14459.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71976 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Don't call HitTest() unnecessarily in MSW wxTreeCtrl code.

We already called TreeView_HitTest() above, there is no need to call
wxTreeCtrl::HitTest() again to retrieve exactly the same information.

This also incidentally fixes a warning about unused variable, see #14459.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71977 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Use "_x64" instead of "amd64" for x64 MSW makefile builds.

Still accept "amd64" as a valid TARGET_CPU value but also accept, and
encourage people to use, "x64".

Add a new section about the build system changes to the change log and added a
mini-TOC to it to make navigating it a bit easier and show what changes are
there at a glance.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71978 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775