Is it possible to access the aggregate menu, or system menu, located in the top right corner on the activities bar of the GNOME shell interface, with a keyboard shortcut? If not, can such a shortcut be created?
As far as I know there's no dedicated shortcut for the aggregate menu. You could use the
ctrlalttab.js helper (also known as the accessibility switcher). Hit Ctrl+Alt+Tab:
and select Top Bar, this will focus the first element on the top bar (that is, the Activities button). You then navigate with right arrow to the system tray and use the down arrow to open the menu...
Not very convenient, I know, so here's a way to define a dedicated shortcut for the system menu:
You can invoke
gnome-shell evaluator via
dbus and call the
toggle() methods on that particular shell element:
gdbus call -e -d org.gnome.Shell -o /org/gnome/Shell -m org.gnome.Shell.Eval string:'Main.panel.statusArea.aggregateMenu.menu.toggle();'
dbus-send --session --type=method_call --dest=org.gnome.Shell /org/gnome/Shell org.gnome.Shell.Eval string:'Main.panel.statusArea.aggregateMenu.menu.open();'
So, it's only a matter of going to Settings > Keyboard > Shortcuts and assign a shortcut to one of the above commands.