FGFS-4.1/gr-air-modes
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Limit text box updates to 10/s

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Nick Foster 2013-07-22 18:23:05 -07:00
parent 48c55fa7f8
commit 041305fd49
1 changed files with 10 additions and 0 deletions
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10
apps/modes_gui
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@ -125,6 +125,9 @@ class mainwindow(QtGui.QMainWindow):
#hook up live data text box update signal #hook up live data text box update signal
self.live_data_changed_signal.connect(self.on_append_live_data) self.live_data_changed_signal.connect(self.on_append_live_data)
self._last_live_data_update = time.time()
self._pending_msgstr = ""
############ widget update functions for non-mapped widgets ############ ############ widget update functions for non-mapped widgets ############
def update_heading_widget(self, index): def update_heading_widget(self, index):
if index.model() is not None: if index.model() is not None:
@ -355,6 +358,13 @@ class mainwindow(QtGui.QMainWindow):
#slot to catch signal emitted by output_live_data (necessary for #slot to catch signal emitted by output_live_data (necessary for
#thread safety since output_live_data is called by another thread) #thread safety since output_live_data is called by another thread)
def on_append_live_data(self, msgstr): def on_append_live_data(self, msgstr):
self._pending_msgstr += msgstr + "\n"
if time.time() - self._last_live_data_update >= 0.1:
self._last_live_data_update = time.time()
self.update_live_data(self._pending_msgstr)
self._pending_msgstr = ""
def update_live_data(self, msgstr):
#limit scrollback buffer size -- is there a faster way? #limit scrollback buffer size -- is there a faster way?
if(self.ui.text_livedata.document().lineCount() > 500): if(self.ui.text_livedata.document().lineCount() > 500):
cursor = self.ui.text_livedata.textCursor() cursor = self.ui.text_livedata.textCursor()