24 lines
629 B
Markdown
24 lines
629 B
Markdown
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---
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title: darktable.register_event
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id: darktable.register_event
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weight: 50
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draft: false
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author: "people"
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---
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```
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function(
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event_type : string,
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callback : function,
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... : variable
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)
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```
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This function registers a callback to be called when a given event happens.
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Events are documented in the [event](../events) section.
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* **event_type** - _string_ - The name of the event to register to.
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* **callback** - _function_ - The function to call on event. The signature of the function depends on the type of
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event.
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* **...** - _variable_ - Some events need extra parameters at registration time; these must be specified here.
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