[kmail2] [Bug 331156] Display of HTML-Message extremely slow

[Christux]

https://bugs.kde.org/show_bug.cgi?id=331156

--- Comment #23 from Christux <c.schwarzgruber.cs at gmail.com> ---
(In reply to comment #22)
> Consistent with my earlier analysis, following patch does seem to work
> around the problem.  Not sure what is lost by not having the html quote
> coloring.
> 
> jmoon at jmoon-w530:~/kde$ diff -c10
> kdepim-4.13.1{-orig,}/messageviewer/viewer/htmlquotecolorer.cpp 
> *** kdepim-4.13.1-orig/messageviewer/viewer/htmlquotecolorer.cpp       
> 2014-05-07 11:01:39.000000000 +0100
> --- kdepim-4.13.1/messageviewer/viewer/htmlquotecolorer.cpp     2014-05-26
> 18:41:06.013342901 +0100
> ***************
> *** 26,45 ****
> --- 26,46 ----
>   #include <QWebPage>
>   #include <QWebFrame>
>   #include <QWebElement>
>   #endif
>   
>   using namespace MessageViewer;
>   
>   HTMLQuoteColorer::HTMLQuoteColorer()
>   {
>   }
> + #define KDEPIM_NO_WEBKIT
>   
>   QString HTMLQuoteColorer::process( const QString &htmlSource,
> QString&extraHead )
>   {
>   #ifndef KDEPIM_NO_WEBKIT
>       // Create a DOM Document from the HTML source
>       QWebPage page(0);
>       page.settings()->setAttribute( QWebSettings::JavascriptEnabled, false
> );
>       page.settings()->setAttribute( QWebSettings::JavaEnabled, false );
>       page.settings()->setAttribute( QWebSettings::PluginsEnabled, false );

Hey John,

I also have this issues and was never able to fix it, I have tried everything
from removing all 
kde settings to disabling some settings as mentioned by the others. Anyway, I
guess you have 
build KMail with this patch on your machine. I would really love to test this
patch as well to 
so if it fixes the problem, could you tell me which libraries do I have to
install to build kmail
from scratch with this patch applied, a link to a "how to compile KDE Kmail"
would be sufficient  :-).

Thank you, Christian

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