neovim / python-gui

        input_str += '<{0},{1}>'.format(col, row)

        self._bridge.input(input_str)

    def _gtk_scroll(self, widget, event, *args):

        if not self._mouse_enabled:

            return

        col = int(math.floor(event.x / self._cell_pixel_width))

        row = int(math.floor(event.y / self._cell_pixel_height))

        if event.direction == Gdk.ScrollDirection.UP:

            key = 'ScrollWheelUp'

        elif event.direction == Gdk.ScrollDirection.DOWN:

            key = 'ScrollWheelDown'

        else:

            return

        input_str = _stringify_key(key, event.state)

        input_str += '<{0},{1}>'.format(col, row)

        self._bridge.input(input_str)

    def _gtk_focus_in(self, *a):

        self._im_context.focus_in()

    def _gtk_key_release(self, widget, event, *args):

        self._im_context.filter_keypress(event)

    def _gtk_button_press(self, widget, event, *args):

        if not self._mouse_enabled or event.type != Gdk.EventType.BUTTON_PRESS:

            return

        button = 'Left'

        if event.button == 2:

            button = 'Middle'

        elif event.button == 3:

            button = 'Right'

        col = int(math.floor(event.x / self._cell_pixel_width))

        row = int(math.floor(event.y / self._cell_pixel_height))

        input_str = _stringify_key(button + 'Mouse', event.state)

        input_str += '<{0},{1}>'.format(col, row)

        self._bridge.input(input_str)

        self._pressed = button

    def _gtk_button_release(self, widget, event, *args):

        self._pressed = None