D10085: Faster drag&drop in directories with thousands of files

[Mark Gaiser]

markg added a comment.


  https://p.sc2.nl/S1yjzuGUz (hacked together, test thoroughly please)
  Down to 5000 aka, the base testcase, it cannot go down further :) (did i just make it ~8 times faster? hehe)
  And i'm using the QDropEvent isAccepted function now to prevent another call to urlListMatchesUrl.
  
  I had to change DolphinView::slotItemDropEvent where a QDropEvent is constructed from a QGraphicsSceneDragDropEvent to include whatever the accepted state was.
  I only did it there, you'd have to look over all occurrences of "DragAndDropHelper::dropUrls" to make sure the QDropEvent that is passed in has the accepted value (only an issue if that event is manually re-created from some other event).
  
  Have fun with the patch :)
  Now i'm going to dive into the KIO side of this.

REPOSITORY
  R318 Dolphin

REVISION DETAIL
  https://phabricator.kde.org/D10085

To: jtamate, #dolphin, elvisangelaccio, markg
Cc: markg, anthonyfieroni, michaelh, elvisangelaccio, ngraham
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