Watch for application launch/terminate events

This module is based primarily on code from the previous incarnation of Mjolnir by Markus Engelbrecht and Steven Degutis.

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Constants - Useful values which cannot be changed

• activated
• deactivated
• hidden
• launched
• launching
• terminated
• unhidden

Constructors - API calls which return an object, typically one that offers API methods

• new

Methods - API calls which can only be made on an object returned by a constructor

• start
• stop

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| | | | --------------------------------------------|-------------------------------------------------------------------------------------| | Signature | hs.application.watcher.new(fn) -> watcher | | Type | Constructor | | Description | Creates an application event watcher | | Parameters |

• fn - A function that will be called when application events happen. It should accept three parameters: A string containing the name of the application An event type (see the constants defined above) An hs.application object representing the application, or nil if the application couldn't be found

| | Returns |

• An hs.application.watcher object

| | Notes |

• If the function is called with an event type of hs.application.watcher.terminated then the application name parameter will be nil and the hs.application parameter, will only be useful for getting the UNIX process ID (i.e. the PID) of the application

| | Examples | None | | Source | extensions/application/libapplication_watcher.m line 142 |

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