Gets the time that should currently be used for animations.
Inside the processing of a frame, it’s the time used to compute the animation position of everything in a frame. Outside of a frame, it's the time of the conceptual “previous frame,” which may be either the actual previous frame time, or if that’s too old, an updated time.
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a `GdkFrameClock` |
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a timestamp in microseconds, in the timescale of of get_monotonic_time. |