Make it possible to disable adding/removing pages by
adding respective bool virtual functions.
Useful for implementing containers with fixed, single
children like QScrollArea, QDockWidget, which require
a container extension to work properly in Qt Designer.
Previously, the problem was that the add/remove
page context menu actions were enabled for them,
leading to crashes und undesired behaviour.
Reviewed-by: Jarek Kobus <jaroslaw.kobus@nokia.com>
This is the beginning of revision history for this module. If you
want to look at revision history older than this, please refer to the
Qt Git wiki for how to use Git history grafting. At the time of
writing, this wiki is located here:
http://qt.gitorious.org/qt/pages/GitIntroductionWithQt
If you have already performed the grafting and you don't see any
history beyond this commit, try running "git log" with the "--follow"
argument.
Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
