save_button = function(x, y, r)
return overflowable_button('save', x, y, r,
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
one_time_save()
end
else
end)