docs » hs.alert

Simple on-screen alerts

API Overview

API Documentation



Signature hs.alert.defaultStyle[]
Type Variable
Description A table defining the default visual style for the alerts generated by this module.



Signature hs.alert.closeAll([seconds])
Type Function
Description Closes all alerts currently open on the screen
  • seconds - Optional number specifying the fade out duration. Defaults to 0.15
  • None


Signature hs.alert.closeSpecific(uuid, [seconds])
Type Function
Description Closes the alert with the specified identifier
  • uuid - the identifier of the alert to close
  • seconds - Optional number specifying the fade out duration. Defaults to 0.15
  • None
  • Use this function to close an alert which is indefinate or close an alert with a long duration early.


Signature, [style], [screen], [seconds]) -> uuid
Type Function
Description Shows a message in large words briefly in the middle of the screen; does tostring() on its argument for convenience.
  • str - The string or `hs.styledtext` object to display in the alert
  • style - an optional table containing one or more of the keys specified in [hs.alert.defaultStyle](#defaultStyle). If `str` is already an `hs.styledtext` object, this argument is ignored.
  • screen - an optional `hs.screen` userdata object specifying the screen (monitor) to display the alert on. Defaults to `hs.screen.mainScreen()` which corresponds to the screen with the currently focused window.
  • seconds - The number of seconds to display the alert. Defaults to 2. If seconds is specified and is not a number, displays the alert indefinately.
  • a string identifier for the alert.
  • The optional parameters are parsed in the order presented as follows:
  • if the argument is a table and `style` has not previously been set, then the table is assigned to `style`
  • if the argument is a userdata and `screen` has not previously been set, then the userdata is assigned to `screen`
  • if `duration` has not been set, then it is assigned the value of the argument
  • if all of these conditions fail for a given argument, then an error is returned
  • The reason for this logic is to support the creation of persistent alerts as was previously handled by the module: If you specify a non-number value for `seconds` you will need to store the string identifier returned by this function so that you can close it manually with `hs.alert.closeSpecific` when the alert should be removed.
  • Any style element which is not specified in the `style` argument table will use the value currently defined in the [hs.alert.defaultStyle](#defaultStyle) table.

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