gnome-control-center --overview
is a good example to investigate
https://git.gnome.org/browse/gnome-control-center/tree/panels/info/cc-info-overview-panel.c
gnome-control-center --overview
is a good example to investigate
https://git.gnome.org/browse/gnome-control-center/tree/panels/info/cc-info-overview-panel.c