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Which rate should we call spinOnce()

asked 2021-11-07 20:35:30 -0500

CroCo gravatar image

I'm using Qt GUI and a timer in a slot to call spinOnce() periodically. I would like to ask at which rate should I call this function spinOnce()?

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answered 2021-11-08 01:35:48 -0500

gvdhoorn gravatar image

I'm using Qt GUI and a timer in a slot to call spinOnce() periodically. I would like to ask at which rate should I call this function spinOnce()?

At a minimum at the lowest rate you expect messages to come in / events to be scheduled -- if you care about delays.

Ideally at a much higher rate, as delaying processing the event queue (ie: calling spinOnce()) will introduce artificial delays in your event processing.

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Asked: 2021-11-07 20:35:30 -0500

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Last updated: Nov 08 '21