GNOME Bugzilla – Bug 756428
Add a help overlay widget
Last modified: 2015-10-21 19:48:55 UTC
Some mockups can be seen here https://github.com/gnome-design-team/gnome-mockups/tree/master/overlay-help An implementation is in https://git.gnome.org/browse/gtk+/log/?h=wip/matthiasc/help-overlay
Here is the design page: https://wiki.gnome.org/Design/OS/HelpOverlay#Tentative_Design