[Webkit-unassigned] [Bug 25677] New: [GTK] Implement support for get_character_extents and get_range_extents

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=25677

           Summary: [GTK] Implement support for get_character_extents and
                    get_range_extents
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Accessibility
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: joanmarie.diggs at gmail.com
                CC: xan.lopez at gmail.com, William.Walker at sun.com


The accessible text interface includes methods to get the extents of a given
character (get_character_extents) and a range of characters
(get_range_extents). For more information please see
http://library.gnome.org/devel/atk/unstable/AtkText.html.

There are various and sundry reasons why an AT might need to know the extents
of a character or range of characters. The most immediate needs in terms of
Orca are:

1. Determining if two characters from different objects happen to be on the
same line or not for the purpose of accurately presenting the line contents to
a user. 

2. Identifying the extents of a character, word, or line for the purpose of
drawing a rectangle around the block of text being "reviewed" in Orca's Flat
Review mode.

Currently the two methods in question always return extents of (0, 0, 0, 0).


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