4/6/2023 0 Comments Right arrow hammerspooni ( "Got contents in millseconds: ", diffMs ) Local diffMs = (endTimeNs - startTimeNs ) / 1000000 set the cursor selection at position 0, with a selection length of 3ĬurrentElement : setSelectedTextRange (, "c", 0 ) systemWideElement ( )ĬurrentElement : setValue ( "new text value" ) You can update these values as well: local systemElement = ax. Local position = currentElement : attributeValue ( "AXPosition" ) with coordinates of the field on the screen. You can even figure out where the input is being drawn on the screen, in case you want to overlay something on top of the field: - Returns an object like: Local selection = currentElement : attributeValue ( "AXSelectedTextRange" ) and `loc` is where the cursor currently is in the text, between `` where `len` is the length of the current selection (0 if no text is selected) Local textLength = currentElement : attributeValue ( "AXNumberOfCharacters" ) Local value = currentElement : attributeValue ( "AXValue" ) You can ask it for the current value, length, and selection range: local systemElement = ax. Local currentElement = systemElement : attributeValue ( "AXFocusedUIElement" ) You can easily grab the currently focused input field: local systemElement = ax. To use it, follow the install instructions and require it in your scripts: local ax = require ( "hs._asm.axuielement" ) You can get cursor position, selection range, the value of the field, and even character index ranges for each wrapped line in a multi-line input, which helps when doing things like linewise Vim has written an awesome library for interacting with the Accessibility API from Hammerspoon called hs._asm.axuielement, which I’ve made extensive use of. Mac’s Accessibility API is really awesome, and in the best case, exposes more data than you could ever need about the currently focused input field. If anyone has any other clever ideas or techniques, I would really love to hear about them–please email me at and we can chat! The Accessibility API: almost perfect # Trying to work around when the Accessibility API fails to get a cursor position.Using the MacOS Accessibility API, and caveats/hacks.I’ve tried a number of different ways to achieve this, and I want to document those experiments here, along with the pros and cons. Mode to every input in the Mac operating system.Ī big part of this library’s success is being able to read the current value and cursor position of the currently focused input field from Hammerspoon. In my spare time, I work on a library called Can we get around the Electron selection problem?.Retrieving input field values and cursor position/selection with Hammerspoon
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