[Webkit-unassigned] [Bug 64143] REGRESSION (r60268): Page-Up or Page-Down inside textarea scrolls not just its content but the page

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=64143





--- Comment #24 from Kentaro Hara <haraken at google.com>  2011-07-24 23:48:17 PST ---
Created an attachment (id=101851)
 --> (https://bugs.webkit.org/attachment.cgi?id=101851&action=review)
Screen shot on Gtk

ap: Thank you very much for the comments. 

> Mac Safari is indeed special, as it's using platform views (NSViews) for frames. All other platforms (including Mac WebKit2) should work identically. Even though a platform-specific handleKeyboardEvent method is called by each, we should be returning on a cross platform code path in MovePageDown (or MovePageDownAndModifySelection) editor command.
> 
> I think that this needs deeper investigation.

I confirmed that the similar problem happens on not only Chromium but also Gtk with the latest WebKit r91650. I attached a screen shot on Gtk. When we press PageUp in Gtk, the page scrolls up and right so that the position of a caret corresponds to the top left corner of the page. I also confirmed that my patch solves the problem. So I think that the change on WebCore codes is reasonable.

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