[Webkit-unassigned] [Bug 154289] New: Wrong / blocked cursor position

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=154289

            Bug ID: 154289
           Summary: Wrong / blocked cursor position
    Classification: Unclassified
           Product: WebKit
           Version: Safari 9
          Hardware: Macintosh
                OS: OS X 10.11
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Event Handling
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: marco.liceti at gmail.com

Hi, I'm a web developer using the latest Macbook, with the retina 12" display. When writing with the Atom text editor or inside some web pages I experience some weird behaviors that I can only explain in one way: when I select text and then quickly start typing, the cursor stays blocked (or maybe just jumps to a wrong position). In some places (e.g. Google search box), this may leave with the impression of typing backwards. In general, after text selection, I have to wait before starting to type, otherwise I'll mess with the current text. It seems that similar issues are very common, mostly (but not only) on Mac Os X devices with retina displays. I tried several proposed fixes: reset PRAM, disable hardware acceleration, reset default font size, etc.. Nothing seems to work. I'm reporting this issue here because I noticed that those behaviors only happen with webkit-related products (Chrome, Safari, Atom, Opera), but not with Firefox. My guess is that the culprit is a bad implementatio

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