def _stepBy(self, steps):
"""try to figure out which digit the cursor is at, and step by one in
that digit."""
text = str(self.text())
cursor = len(text) - self.cursorPosition()
if '.' not in self.text():
decimal = 0
else:
decimal = len(text) - text.find('.') - 1
if cursor == decimal:
return
if cursor == len(text):
return
exp = cursor - decimal
if cursor > decimal:
exp -= 1
delta = 10**exp
TaurusValueLineEdit._stepBy(self, steps * delta)
self.setCursorPosition(len(self.text()) - cursor)
if self._autoApply:
self.writeValue() # this seems a but risky...
def throttledWrite(self, delta):
"""Intead of writing to Tango every time the value changes, we start a
timer. Writes during the timer will be accumulated and when the timer
runs out, the last value is written.
"""
TaurusValueLineEdit._stepBy(self, delta)
if not self._throttle_timer.isActive():
self._throttle_timer.start()
