[webkit-dev] selecting text ignores mouse down position

[Ryosuke Niwa]

And I fixed it in http://trac.webkit.org/changeset/81053.

Evan, was there a corresponding Chromium issue?

Best,
Ryosuke Niwa
Software Engineer
Google Inc.

On Fri, Mar 11, 2011 at 1:43 PM, Evan Martin <evan at chromium.org> wrote:

> For those following at home, this moved to
> https://bugs.webkit.org/show_bug.cgi?id=56213
>
> On Fri, Mar 11, 2011 at 11:39 AM, Ryosuke Niwa <rniwa at webkit.org> wrote:
> > I think this is a WebKit bug indeed.  I've been annoyed by this bug quite
> > few times and have been trying to figure out the reason.  Thanks for
> > spotting the root cause!
> > - Ryosuke
> >
> > On Fri, Mar 11, 2011 at 11:34 AM, Evan Martin <evan at chromium.org> wrote:
> >>
> >> The simple layout test below demonstrates that when you select text by
> >> clicking and dragging, we ignore the position of the initial mouse
> >> down and instead rely on mouse move events to judge what text is
> >> selected.  I verified the behavior on Linux (Chrome) and Mac
> >> (non-Chrome).
> >>
> >> Is it expected that the platform sends a mouse move event at the
> >> position of the initial mouse down when dragging?
> >> Or is this a bug in WebKit?  I'm trying to figure out which layer I
> >> should fix this at.
> >>
> >> I manually verified on Chrome Linux via some logging statements that
> >> if I move the mouse rapidly and drag, the mouse down position is
> >> sometimes a pixel away from the first mouse move event position.
> >>
> >> <div id='text'>The first part of this text should be selected.</div>
> >> <script>
> >> if (window.eventSender) {
> >>    var div = document.getElementById('text');
> >>    var x = div.offsetLeft + 1;
> >>    var y = div.offsetTop + 5;
> >>    eventSender.mouseMoveTo(x, y);
> >>    eventSender.mouseDown();
> >>
> >>    // With this mouse move event, we select the initial range of text.
> >>    // Without it, we don't -- we just get the caret positioned within
> the
> >> text.
> >>    eventSender.mouseMoveTo(x, y);
> >>
> >>    eventSender.mouseMoveTo(x + 50, y);
> >>    eventSender.mouseUp();
> >> }
> >> </script>
> >> _______________________________________________
> >> webkit-dev mailing list
> >> webkit-dev at lists.webkit.org
> >> http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev
> >
> >
>
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