The accelerator for the action, in the format understood by gtk_accelerator_parse().
The function to call when the action is activated.
The label for the action. This field should typically be marked
for translation, see gtk_action_group_set_translation_domain(). If
label is %NULL, the label of the stock item with id stock_id is used.
The name of the action.
The stock id for the action, or the name of an icon from the icon theme.
The tooltip for the action. This field should typically be marked for translation, see gtk_action_group_set_translation_domain().
#GtkActionEntry structs are used with gtk_action_group_add_actions() to construct actions.