[Webkit-unassigned] [Bug 199485] Single selection <select> with <optgroups> shows multiple selected options

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=199485

Wenson Hsieh <wenson_hsieh at apple.com> changed:

           What    |Removed                     |Added
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           Assignee|webkit-unassigned at lists.web |wenson_hsieh at apple.com
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--- Comment #3 from Wenson Hsieh <wenson_hsieh at apple.com> ---
This happens because -pickerView:row:column:checked: is not invoked for non-visible picker items, so if an item is checked, is scrolled offscreen, and then another item is checked, we will never update the content view’s FocusedElementInformation to reflect the fact that the previously checked item should now be unchecked.

This is pretty simple to fix — we just need to change the `item.isSelected = false;` line in -pickerView:row:column:checked: (in WKFormSelectPicker.mm) to uncheck whatever item was previously checked.

…writing a test for this is going to require some finagling, though :|

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