Manipulate callback functions.
Synopsis
callback [subcommand] [-option value...]
Description
Set or remove callback functions.
Subcommands
- callback create [script] [-option value...]
- Create a callback function and returns its ID. The function is called until it returns another code than ok (e.g. return -code break) or until it is deleted with the delete subcommand.
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Options
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-interval integer or "idle" (default: idle)
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If interval is an integer, script is called every interval milliseconds. If its "idle" script is called whenever there are no other events pending.
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-priority integer (default: 0)
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Priority with which this callback is handled. Negativ values mean lower priority than normal, positiv values mean higher priority than normal.
- callback delete [ID]
- Deletes the callback function with the ID ID.
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