[Webkit-unassigned] [Bug 137467] New: Web Inspector: Cursor and scroll view jumps around when modifying styles

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=137467

           Summary: Web Inspector: Cursor and scroll view jumps around
                    when modifying styles
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jerrold.poh at gmail.com
                CC: timothy at apple.com, joepeck at webkit.org,
                    webkit-bug-importer at group.apple.com,
                    graouts at webkit.org


Created an attachment (id=239362)
 --> (https://bugs.webkit.org/attachment.cgi?id=239362&action=review)
Shows position of dock and window of when bug can be replicated

Seen on OS X Yosemite GM (14A379a), Safari 8 (10600.1.25).

To replicate, load the web inspector for a page and inspect an element.  Ensure the web inspector is docked.

- When enabling / disabling a style, scroll area jumps around
- When adding or modifying a style, as you start typing sometimes characters are "skipped".  E.g. typing "margin-top" will sometimes result in "marin-top" as characters are dropped 
- Cursor also sometimes jumps to start / end of line sporadically when editing
- And scroll view of dock will scroll up and down too

Could be related to the autocomplete feature, as I notice if I type slowly and use the auto complete, I can sometimes prevent the cursor jumps / skips

See attachment which shows position of dock and window of when bug can be replicated.

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