Example #1
0
    def test_signal_handler_block_matching(self):
        def dummy(*args):
            "Hack to work around: "

        def foo(obj):
            obj.status += 1

        obj = self.Object()
        handler_id = GObject.signal_connect_closure(obj,
                                                    'my-signal',
                                                    foo,
                                                    after=False)
        handler_id

        self.assertEqual(obj.status, 0)
        obj.emit('my-signal')
        self.assertEqual(obj.status, 1)

        # Blocking by match criteria disables the foo callback
        signal_id, detail = GObject.signal_parse_name('my-signal', obj, True)
        count = GObject.signal_handlers_block_matched(
            obj,
            GObject.SignalMatchType.ID | GObject.SignalMatchType.CLOSURE,
            signal_id=signal_id,
            detail=detail,
            closure=foo,
            func=dummy,
            data=dummy)
        self.assertEqual(count, 1)
        obj.emit('my-signal')
        self.assertEqual(obj.status, 1)

        # Unblocking by the same match criteria allows callback to work again
        count = GObject.signal_handlers_unblock_matched(
            obj,
            GObject.SignalMatchType.ID | GObject.SignalMatchType.CLOSURE,
            signal_id=signal_id,
            detail=detail,
            closure=foo,
            func=dummy,
            data=dummy)
        self.assertEqual(count, 1)
        obj.emit('my-signal')
        self.assertEqual(obj.status, 2)

        # Disconnecting by match criteria completely removes the handler
        count = GObject.signal_handlers_disconnect_matched(
            obj,
            GObject.SignalMatchType.ID | GObject.SignalMatchType.CLOSURE,
            signal_id=signal_id,
            detail=detail,
            closure=foo,
            func=dummy,
            data=dummy)
        self.assertEqual(count, 1)
        obj.emit('my-signal')
        self.assertEqual(obj.status, 2)
Example #2
0
    def test_signal_handler_block_matching(self):
        def dummy(*args):
            "Hack to work around: "

        def foo(obj):
            obj.status += 1

        obj = self.Object()
        handler_id = GObject.signal_connect_closure(obj, 'my-signal', foo, after=False)
        handler_id

        self.assertEqual(obj.status, 0)
        obj.emit('my-signal')
        self.assertEqual(obj.status, 1)

        # Blocking by match criteria disables the foo callback
        signal_id, detail = GObject.signal_parse_name('my-signal', obj, True)
        count = GObject.signal_handlers_block_matched(obj,
                                                      GObject.SignalMatchType.ID | GObject.SignalMatchType.CLOSURE,
                                                      signal_id=signal_id, detail=detail,
                                                      closure=foo, func=dummy, data=dummy)
        self.assertEqual(count, 1)
        obj.emit('my-signal')
        self.assertEqual(obj.status, 1)

        # Unblocking by the same match criteria allows callback to work again
        count = GObject.signal_handlers_unblock_matched(obj,
                                                        GObject.SignalMatchType.ID | GObject.SignalMatchType.CLOSURE,
                                                        signal_id=signal_id, detail=detail,
                                                        closure=foo, func=dummy, data=dummy)
        self.assertEqual(count, 1)
        obj.emit('my-signal')
        self.assertEqual(obj.status, 2)

        # Disconnecting by match criteria completely removes the handler
        count = GObject.signal_handlers_disconnect_matched(obj,
                                                           GObject.SignalMatchType.ID | GObject.SignalMatchType.CLOSURE,
                                                           signal_id=signal_id, detail=detail,
                                                           closure=foo, func=dummy, data=dummy)
        self.assertEqual(count, 1)
        obj.emit('my-signal')
        self.assertEqual(obj.status, 2)