plot.py 文件源码

def OnScroll(self, evt):
        if not self._adjustingSB:
            self._sb_ignore = True
            sbpos = evt.GetPosition()
            if evt.GetOrientation() == wx.VERTICAL:
                fullrange, pagesize = self.sb_vert.GetRange(
                ), self.sb_vert.GetPageSize()
                sbpos = fullrange - pagesize - sbpos
                dist = sbpos * self._sb_xunit - \
                    (self._getXCurrentRange()[0] - self._sb_xfullrange)
                self.ScrollUp(dist)
            if evt.GetOrientation() == wx.HORIZONTAL:
                dist = sbpos * self._sb_xunit - \
                    (self._getXCurrentRange()[0] - self._sb_xfullrange[0])
                self.ScrollRight(dist)
    # Private Methods **************************************************