[Webkit-unassigned] [Bug 114384] New: Overflow hidden doesn't prevent mouse drag from input field towards oveflowed content

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=114384

           Summary: Overflow hidden doesn't prevent mouse drag from input
                    field towards oveflowed content
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.8
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: eyalg at waze.com


When creating a container with overflow:hidden, and overflowing content - the overflowed content is indeed hidden.

However, if the container contains an input field, dragging the mouse pointer from the input field towards the overflowed content allows the drag to take place, sliding the visible window within the container.

This is not the behaviour when dragging fro any "normal" text within the container, where overflow:hidden prevents the drag to exit the container's borders.
Nor is this the behaviour in firefox, where dragging from the nested input doesn't allow the drag to exit the visible window's borders.

I've created a codepen.io live example that explains it better at http://codepen.io/gersht/details/ayHxb .

Also reproduced on Safari.

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This was also submitted by me as a bug to chrome, using chrome's "Submit an issue" feature.

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