derived widget
- Add History::set_notify_enabled() for usage by the frontend
(for example, when loading from file, you'll want to call
set_notify_enabled(false) before starting)
git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@823 3ecf2c5c-341e-0410-92b4-d18e462d057c
- Start code for double buffering in custom widgets, using
an off-screen pixmap. Problem: we don't know the height from the
beginning
git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@798 3ecf2c5c-341e-0410-92b4-d18e462d057c
tchernobog