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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.

API Overview

API Documentation

Functions

getAbsolutePosition

Signature hs.mouse.getAbsolutePosition() -> point
Type Function
Description Gets the absolute co-ordinates of the mouse pointer
Parameters
  • None
Returns
  • A point-table containing the absolute x and y co-ordinates of the mouse pointer
Notes
  • The co-ordinates returned by this function are in relation to the full size of your desktop. If you have multiple monitors, the desktop is a large virtual rectangle that contains them all (e.g. if you have two 1920x1080 monitors and the mouse is in the middle of the second monitor, the returned table would be { x=2879, y=540 })
  • Multiple monitors of different sizes can cause the co-ordinates of some areas of the desktop to be negative. This is perfectly normal. 0,0 in the co-ordinates of the desktop is the top left of the primary monitor

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)

scrollDirection

Signature hs.mouse.scrollDirection() -> string
Type Function
Description Gets the system-wide direction of scolling
Returns
  • A string, either "natural" or "normal"

setAbsolutePosition

Signature hs.mouse.setAbsolutePosition(point)
Type Function
Description Sets the absolute co-ordinates of the mouse pointer
Parameters
  • point - A point-table containing the absolute x and y co-ordinates to move the mouse pointer to
Returns
  • None
Notes
  • The co-ordinates given to this function must be in relation to the full size of your desktop. See the notes for hs.mouse.getAbsolutePosition for more information

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 (currently between 0.0 and 3.0) indicating the current tracking speed setting for mice, or -1 if an error occurred
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