Limit text box updates to 10/s
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@ -125,6 +125,9 @@ class mainwindow(QtGui.QMainWindow):
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#hook up live data text box update signal
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self.live_data_changed_signal.connect(self.on_append_live_data)
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self._last_live_data_update = time.time()
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self._pending_msgstr = ""
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############ widget update functions for non-mapped widgets ############
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def update_heading_widget(self, index):
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if index.model() is not None:
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@ -355,6 +358,13 @@ class mainwindow(QtGui.QMainWindow):
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#slot to catch signal emitted by output_live_data (necessary for
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#thread safety since output_live_data is called by another thread)
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def on_append_live_data(self, msgstr):
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self._pending_msgstr += msgstr + "\n"
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if time.time() - self._last_live_data_update >= 0.1:
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self._last_live_data_update = time.time()
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self.update_live_data(self._pending_msgstr)
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self._pending_msgstr = ""
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def update_live_data(self, msgstr):
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#limit scrollback buffer size -- is there a faster way?
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if(self.ui.text_livedata.document().lineCount() > 500):
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cursor = self.ui.text_livedata.textCursor()
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