[Bug 144475] New: KMail Composer slows down after 4 word wrapped lines

[pjotr.malienki at yahoo.com]

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http://bugs.kde.org/show_bug.cgi?id=144475         
           Summary: KMail Composer slows down after 4 word wrapped lines
           Product: kmail
           Version: unspecified
          Platform: Debian stable
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs kde org
        ReportedBy: pjotr.malienki yahoo com


Version:            (using KDE KDE 3.5.5)
Installed from:    Debian stable Packages
OS:                Linux

When composing a new message with wordwrap enabled, the application suddenly slows down after four lines of wordwrapped text. This only happens when the composer window is "large" or maximized. When it is kept at a small size, no slowdown occurs.

How to reproduce:
 * open composer window
 * maximize composer window
 * enable wordwrap
 * write text that will be wrapped over four lines
 * when the next wordwrap occurs, the application should slow down

This behavior has been tested on two different computers with up-to-date hardware. Kmail 1.9.5 (KDE 3.5.5) installed from repository on a Debian system.