Pmw.py 文件源码

def tagunbind(self, widget, tagOrItem):
        if hasattr(widget, '_Pmw_BalloonBindIds'):
            if widget._Pmw_BalloonBindIds.has_key(tagOrItem):
                (enterId, motionId, leaveId, buttonId) = \
                        widget._Pmw_BalloonBindIds[tagOrItem]
                widget.tag_unbind(tagOrItem, '<Enter>', enterId)
                widget.tag_unbind(tagOrItem, '<Motion>', motionId)
                widget.tag_unbind(tagOrItem, '<Leave>', leaveId)
                widget.tag_unbind(tagOrItem, '<ButtonPress>', buttonId)
                del widget._Pmw_BalloonBindIds[tagOrItem]

        if self._currentTrigger is None:
            # The balloon is not currently being displayed.
            return

        if len(self._currentTrigger) == 1:
            # The current trigger is a widget.
            return

        if len(self._currentTrigger) == 2:
            # The current trigger is a canvas item.
            (triggerWidget, triggerItem) = self._currentTrigger
            if triggerWidget == widget and triggerItem == tagOrItem:
                if self._timer is not None:
                    self.after_cancel(self._timer)
                    self._timer = None
                self.withdraw()
                self.clearstatus()
                self._currentTrigger = None
        else: # The current trigger is a text item.
            (triggerWidget, x, y) = self._currentTrigger
            if triggerWidget == widget:
                currentPos = widget.index('@%d,%d' % (x, y))
                currentTags = widget.tag_names(currentPos)
                if tagOrItem in currentTags:
                    if self._timer is not None:
                        self.after_cancel(self._timer)
                        self._timer = None
                    self.withdraw()
                    self.clearstatus()
                    self._currentTrigger = None