press_save_button = function()
	Show_menu = nil
	if Current_pane.filename == nil then
		Show_file_dialog = true
		File_dialog_callback = function(filename)
			if filename == '' then return end
			Current_pane.filename = filename
			assert(not Current_pane.is_stash)
			one_time_save()
			-- Load new filename in future sessions.
			-- On mobile devices, we can't depend on on.save_settings() triggering on quit.
			love.filesystem.write('config', json.encode(settings()))
		end
	else
		one_time_save()
	end
end