[PATCH] Fix for PageUp/PageDown in KTextEdit

[Michael Leupold]

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Michael Leupold wrote:
> On hitting PageUp/-Down in KTextEdit it pages by moving the cursor line by
> line. This mimicks QTextEdit's behaviour with one small difference:
> QTextEdit calculates the new cursor position and then sets it at the end.
> KTextEdit sets the cursor position repeatedly line by line. This emits one
> cursorPositionChanged() signal per line and can make applications showing
> the cursor position feel slower than need be (eg. the KMail composer
> window).
> 
> This patch copies QTextEdit's behaviour. I'm unsure if there could be
> regressions due to this change in behaviour but if there are those
> applications should be fixed rather than not committing this patch (as
> it's pretty hard to block that signal when scrolling starts).

Sorry I have to poke, but could someone please review? If it helps I can 
upload it to reviewboard as well.

Regards,
Michael
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