def refreshSpectrogram(self, widget=None, data=None):
self.builder.get_object("SpectrogramImage").set_from_stock(gtk.STOCK_REFRESH, gtk.ICON_SIZE_LARGE_TOOLBAR)
self.clearEvents()
tmpname = tempfile.mkstemp()
starttime = float(self.builder.get_object("txtStart").get_text())
endtime = float(self.builder.get_object("txtEnd").get_text())
msmode = True
if self.cbTimeAxis.get_active() == 0:
starttime = starttime / 1000.0
endtime = endtime / 1000.0
msmode = False
hzmode = True
if self.cbFreqAxis.get_active() == 1:
hzmode = False
gle = GLE()
if data == None or data["type"] == "preview":
gle.format = 'png'
pid = gle.spectrogram(tmpname[1], self.wavfile, self.framerate, msmode=msmode, hzmode=hzmode, minX=starttime, maxX=endtime)
watch = child_watch_add(pid, self.updateSpectrogramImage, data=tmpname[1])
self.clearEvents()
