Issue with Accessibility Visible Text Range

BadPistol97
macOS Developer ForumQuestions/Help

Issue with Accessibility Visible Text Range

I am trying to draw NSPanels on texts of other apps using AXObserverAddNotification with the attribute of kAXValueChangedNotification on an AXTextArea

I need to detect if the text range on that text area is visible on the screen and I use kAXVisibleCharacterRangeAttribute to get the visible text range but it doesn’t include the top bar of the app and gives a range that starts from an index that is not visible.

Thus the panels are drawn on the app’s top bar like this gif when I scroll to bottom

Screenshot 2023-08-02 at 5.19.17 PM
Screenshot 2023-08-02 at 5.19.17 PM1200×591 60.7 KB

How do I deal with this?

View thread on forum
#accessibility
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