#
#   PyGUI - Edit command handling - Generic
#

from GUI import application

class EditCmdHandler(object):
    #  Mixin for objects that implement the standard editing commands.
    
    _may_be_password = False
    
    def setup_menus(self, m):
        selbeg, selend = self.selection
        anysel = selbeg < selend
        anyscrap = application().query_clipboard()
        passwd = self._may_be_password and self.password
        m.cut_cmd.enabled = anysel and not passwd
        m.copy_cmd.enabled = anysel and not passwd
        m.paste_cmd.enabled = anyscrap
        m.clear_cmd.enabled = anysel
        m.select_all_cmd.enabled = True
    
    def select_all_cmd(self):
        self.select_all()

    def select_all(self):
        self.selection = (0, self.get_text_length())