frame_nav.py 文件源码

def set_selrange(self, sel=True, selmin=None, selmax=None):
        if sel:
            self.SetWindowStyle(wx.SL_SELRANGE)
            if selmin is None or selmax is None:
                raise Exception()
            else:
                self.SetSelection(selmin, selmax)
            self.Bind(wx.EVT_LEFT_DOWN, self.on_event)  
        else:
            self.ClearSel()
            if self.is_selrange():
                self.Unbind(wx.EVT_LEFT_DOWN, handler=self.on_event)
            self.SetWindowStyle(wx.SL_BOTTOM)       
            if selmin is None:
                raise Exception()
            super(RangeSlider, self).SetValue(selmin)