FGFS-4.1/gr-air-modes
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Limit scrollback buffer size.

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This commit is contained in:
Nick Foster 2012-10-11 23:37:26 -07:00
parent 77768ebcc6
commit 6e6150b051
1 changed files with 7 additions and 0 deletions
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7
apps/modes_gui
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@ -324,6 +324,13 @@ class mainwindow(QtGui.QMainWindow):
#slot to catch signal emitted by output_live_data (necessary for
#thread safety since output_live_data is called by another thread)
def on_append_live_data(self, msgstr):
#limit scrollback buffer size -- is there a faster way?
if(self.ui.text_livedata.document().lineCount() > 500):
cursor = self.ui.text_livedata.textCursor()
cursor.movePosition(QtGui.QTextCursor.Start)
cursor.select(QtGui.QTextCursor.LineUnderCursor)
cursor.removeSelectedText()
self.ui.text_livedata.append(msgstr)
self.ui.text_livedata.verticalScrollBar().setSliderPosition(self.ui.text_livedata.verticalScrollBar().maximum())