[Webkit-unassigned] [Bug 165579] New: Providing Touch Bar buttons from JavaScript based on editor cursor position

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=165579

            Bug ID: 165579
           Summary: Providing Touch Bar buttons from JavaScript based on
                    editor cursor position
    Classification: Unclassified
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Macintosh
                OS: macOS 10.12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML Editing
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: andrew.herron at ephox.com

In many rich text editors contextual buttons are made available to the user based on cursor position. This seems like a perfect use case for having the buttons appear on the Touch Bar to provide detailed access to potentially obscure features.

We have a couple of examples at Ephox:

https://www.tinymce.com has floating toolbars that appear in scenarios such as when an image is selected or the cursor is in a table

https://textbox.io has buttons that appear on the end of the main toolbar in the same scenarios. We've discussed moving them to a floating toolbar but the Touch Bar would be an awesome alternative.

In particular, the textbox.io table buttons could make great use of a dynamic Touch Bar slider to adjust cell border width, or an expanded colour picker for the cell border and background buttons. The same could even be applied to other more common features such as font size adjustment and text/highlight colour pickers.

I'm not asking for complete canvas-like access to the Touch Bar, that seems like it would be too easy to abuse (an "allow access" popup may alleviate that but there are already a lot of those). I think a way to replicate contextual buttons as seen in native editors would be a great start.

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