D13274: Make drags from the Task Manager less prone to disaster

[Nathaniel Graham]

ngraham added a comment.


  The fact that TM entries are draggable outside their panel in the first place is a bit odd in many contexts because most of the time you're going to be looking at apps, not your desktop, and there's nothing you would actually want to or be able to drag them to. So when you accidentally initiate a drag, it will uselessly display the "nuh-uh, can't drag that here" icon most of the time. I kind of preferred one of the original patches from way back yonder that only made TM entries draggable outside their panel when widgets were unlocked (D8564: Disallow drop of task manager icons outside of plasmoid when widgets are locked <https://phabricator.kde.org/D8564>).
  
  But this implementation does fix the bug (speaking of which, let's add `BUG: 390034`), so +1 from me since it's an improvement over the current state of affairs and doesn't preclude alternative approaches in the future. Love the title too!

REPOSITORY
  R119 Plasma Desktop

REVISION DETAIL
  https://phabricator.kde.org/D13274

To: hein, davidedmundson, Zren
Cc: ngraham, zzag, plasma-devel, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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