Wednesday, May 1, 2019

Keyboard navigation of modal DialogBox escaping the dialog

Existing application using Gwt 2.8.2, and I'm undertaking effort to make it accessible (keyboard, screen reader, and so forth). Always a challenge to retrofit accessibility when it wasn't considered from the start, but that's my lot in life (cue violins).

Problem of the day, modal DialogBoxes don't keep focus in the dialogs when using tab key. Several very old conversations on this, wondering if there's anything more current, or if it's still something I'll need to handle directly on a dialog-by-dialog basis. We have a lot of dialogs.

Specifically, keyboard tabbing off final control should wrap around to beginning of dialog, NOT to the browser itself or the glassed-out UI of the application. Shift+Tabbing back from the first control should go to the last. Fundamental accessibility requirement. For example, try any modal dialog in Google Docs.


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