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docs » hs.mouse

Inspect/manipulate the position of the mouse pointer

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

This module uses ManyMouse by Ryan C. Gordon.

MANYMOUSE LICENSE:

Copyright (c) 2005-2012 Ryan C. Gordon and others.

This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.

  2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.

  3. This notice may not be removed or altered from any source distribution.

    Ryan C. Gordon [email protected]

API Overview

API Documentation

Functions

absolutePosition

Signature hs.mouse.absolutePosition([point]) -> point
Type Function
Description Get or set the absolute co-ordinates of the mouse pointer
Parameters
  • An optional point table containing the absolute x and y co-ordinates to move the mouse pointer to
Returns
  • A point table containing the absolute x and y co-ordinates of the mouse pointer
Notes
  • If no parameters are supplied, the current position will be returned. If a point table parameter is supplied, the mouse pointer poisition will be set and the new co-ordinates returned

count

Signature hs.mouse.count([includeInternal]) -> number
Type Function
Description Gets the total number of mice connected to your system.
Parameters
  • includeInternal - A boolean which sets whether or not you want to include internal Trackpad's in the count. Defaults to false.
Returns
  • The number of mice connected to your system
Notes
  • This function leverages code from ManyMouse.
  • This function considers any mouse labelled as "Apple Internal Keyboard / Trackpad" to be an internal mouse.

getButtons

Signature hs.mouse.getButtons() -> table
Type Function
Description Returns a table containing the current mouse buttons being pressed at this instant.
Parameters
  • None
Returns
  • Returns an array containing indicies starting from 1 up to the highest numbered button currently being pressed where the index is true if the button is currently pressed or false if it is not.
  • Special hash tag synonyms for left (button 1), right (button 2), and middle (button 3) are also set to true if these buttons are currently being pressed.
Notes
  • This function is a wrapper to hs.eventtap.checkMouseButtons
  • This is an instantaneous poll of the current mouse buttons, not a callback.

getCurrentScreen

Signature hs.mouse.getCurrentScreen() -> screen or nil
Type Function
Description Gets the screen the mouse pointer is on
Parameters
  • None
Returns
  • An hs.screen object that the mouse pointer is on, or nil if an error occurred

getRelativePosition

Signature hs.mouse.getRelativePosition() -> point or nil
Type Function
Description Gets the co-ordinates of the mouse pointer, relative to the screen it is on
Parameters
  • None
Returns
  • A point-table containing the relative x and y co-ordinates of the mouse pointer, or nil if an error occured
Notes
  • The co-ordinates returned by this function are relative to the top left pixel of the screen the mouse is on (see hs.mouse.getAbsolutePosition if you need the location in the full desktop space)

names

Signature hs.mouse.names() -> table
Type Function
Description Gets the names of any mice connected to the system.
Parameters
  • None
Returns
  • A table containing strings of all the mice connected to the system.
Notes

scrollDirection

Signature hs.mouse.scrollDirection() -> string
Type Function
Description Gets the system-wide direction of scolling
Parameters
  • None
Returns
  • A string, either "natural" or "normal"

setRelativePosition

Signature hs.mouse.setRelativePosition(point[, screen])
Type Function
Description Sets the co-ordinates of the mouse pointer, relative to a screen
Parameters
  • point - A point-table containing the relative x and y co-ordinates to move the mouse pointer to
  • screen - An optional hs.screen object. Defaults to the screen the mouse pointer is currently on
Returns
  • None

trackingSpeed

Signature hs.mouse.trackingSpeed([speed]) -> number
Type Function
Description Gets/Sets the current system mouse tracking speed setting
Parameters
  • speed - An optional number containing the new tracking speed to set. If this is ommitted, the current setting is returned
Returns
  • A number indicating the current tracking speed setting for mice
Notes
  • This is represented in the System Preferences as the "Tracking speed" setting for mice
  • Note that not all values will work, they should map to the steps defined in the System Preferences app, which are:
  • 0.0, 0.125, 0.5, 0.6875, 0.875, 1.0, 1.5, 2.0, 2.5, 3.0
  • Note that changes to this value will not be noticed immedaitely by macOS