RFR: 8284542: Missing attribute for state of CheckBox in CheckBoxTreeItem

[Kevin Rushforth]

On Wed, 12 Apr 2023 15:13:25 GMT, Ambarish Rapte <arapte at openjdk.org> wrote:

> Issue:
> CheckBoxTreeItem extends TreeItem and adds a CheckBox.
> The state of this CheckBox is not visible to an accessibility client application.
> If we analyze a simple program that contains a CheckBoxTreeItem using a windows application "Accessibility Insights for Window", we can notice that toggle state of CheckBox is not exposed.
> 
> Fix:
> Include the [Toggle Control Pattern](https://learn.microsoft.com/en-us/windows/win32/winauto/uiauto-implementingtoggle) in Accessibility information of a CheckBoxTreeItem in addition to the patterns that are used for a TreeItem.
> 
> Verification:
> On Windows: Do the following with and without the fix.
> 1. Run the sample program attached to JBS issue.
> 2. Launch "Accessibility Insights for Window"
> 3. Observe that patterns section for each item
> 4. Select / de-select the CheckBoxes and observe the patterns section for correctness of toggle state.

@azuev-java @andy-goryachev-oracle can you take a look at this as well?

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PR Comment: https://git.openjdk.org/jfx/pull/1088#issuecomment-1505561519