D17459: SearchBar: Add Cancel button to stop long running tasks

[Sven Brauch]

brauch added a comment.


  I would also advise against calling processEvents() to keep UIs responsive in all cases. It's tempting, but it is near impossible to get it right. What about conflicting actions, close/resize events, dbus calls, etc etc that are handled here?
  
  I think the right way to implement this would be something like, copy the required data, run the expensive S&R with QtConcurrent, and replace it back into the UI when done.

REPOSITORY
  R39 KTextEditor

REVISION DETAIL
  https://phabricator.kde.org/D17459

To: loh.tar, #ktexteditor, #vdg, cullmann
Cc: brauch, cullmann, abetts, kwrite-devel, kde-frameworks-devel, #ktexteditor, hase, michaelh, ngraham, bruns, demsking, sars, dhaumann
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