diff options
Diffstat (limited to 'gr-wxgui/src/python/fftsink2.py')
| -rwxr-xr-x | gr-wxgui/src/python/fftsink2.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gr-wxgui/src/python/fftsink2.py b/gr-wxgui/src/python/fftsink2.py index c3df18d25..61906bfa1 100755 --- a/gr-wxgui/src/python/fftsink2.py +++ b/gr-wxgui/src/python/fftsink2.py @@ -374,7 +374,10 @@ class fft_window (plot.PlotCanvas): self.PopupMenu(menu, event.GetPosition()) def evt_motion(self, event): - # Clip to plotted values + if not hasattr(self, "_points"): + return # Got here before first window data update + + # Clip to plotted values (ux, uy) = self.GetXY(event) # Scaled position x_vals = numpy.array(self._points[:,0]) if ux < x_vals[0] or ux > x_vals[-1]: |