Flowchart.py 文件源码

def hoverOver(self, items):
        #print "FlowchartWidget.hoverOver called."
        term = None
        for item in items:
            if item is self.hoverItem:
                return
            self.hoverItem = item
            if hasattr(item, 'term') and isinstance(item.term, Terminal):
                term = item.term
                break
        if term is None:
            self.hoverText.setPlainText("")
        else:
            val = term.value()
            if isinstance(val, ndarray):
                val = "%s %s %s" % (type(val).__name__, str(val.shape), str(val.dtype))
            else:
                val = str(val)
                if len(val) > 400:
                    val = val[:400] + "..."
            self.hoverText.setPlainText("%s.%s = %s" % (term.node().name(), term.name(), val))
            #self.hoverLabel.setCursorPosition(0)