ARIA Tri-state Checkbox

Working Example

choose a state

Role and State Information
ARIA role/state	JAWS 9.0 (PC Cursor mode) announces	Window Eyes 5.5 (Browse mode off) announces	MSAA role/state
checkbox/checked [false]	alt content "checkbox unchecked, to check press space bar"	alt content "checkbox unchecked"	checkbox/(unchecked implied)
checkbox/checked [true]	alt content "checkbox checked, to clear press space bar"	alt content "checkbox checked"	checkbox/checked
checkbox/checked [mixed]	alt content "checkbox partially checked, to check press space bar"	alt content "checkbox partially checked"	checkbox/mixed

Checkbox state can be changed using the spacebar or enter key.
Announcements were those produced using default verbosity settings.
The text label for the control must be provided using the alt attribute, otherwise the MSAA accessible name value is null.
In Virtual PC Cursor (JAWS) with Firefox, the partially checked state is not announced.
In Browse Mode (Window Eyes) with Firefox, the partially checked state is not announced.

<input type="image" src="unchecked.gif" alt="choose a state" role="checkbox" aria-checked="false">

<input type="image" src="unchecked.gif" alt="choose a state" role="checkbox" aria-checked="mixed">

<input type="image" src="unchecked.gif" alt="choose a state" role="checkbox" aria-checked="true">

Created by TPG