D19432: [text thumbnailer] Use KSyntaxHighlighting for text rendering

[Friedrich W. H. Kossebau]

kossebau added a comment.


  @vkrause : Any idea why I get `org.kde.ksyntaxhighlighting: Repository got deleted while a highlighter is still active!` with this code? The `KSyntaxHighlighting::SyntaxHighlighter` instance and the `QTextDocument` instance are both created on the stack in the scope of the method, while the `KSyntaxHighlighting::Repository` is a member of the class.
  Any idea why would a highlighter outlives the repoository, or what else would trigger that warning?

REPOSITORY
  R320 KIO Extras

REVISION DETAIL
  https://phabricator.kde.org/D19432

To: kossebau, broulik
Cc: vkrause, cfeck, kde-frameworks-devel, kfm-devel, alexde, feverfew, michaelh, spoorun, navarromorales, firef, ngraham, andrebarros, bruns, emmanuelp, mikesomov
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