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[Bug 892443] Re: Drag and Drop doesn't work correctly

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Marco Trevisan (Treviño) <mail@xxxxxxxxx>
Date: Thu, 24 Jul 2014 21:16:23 -0000
Reply-to: Bug 892443 <892443@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: unity (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/892443

Title:
  Drag and Drop doesn't work correctly

Status in Nux:
  Confirmed
Status in Unity:
  Confirmed
Status in “nux” package in Ubuntu:
  Confirmed
Status in “unity” package in Ubuntu:
  Confirmed

Bug description:
  nux-1.16.0 built from source.

  When working with drag and drop, ProcessDndDrop function is not properly called. In /Nux/WindowCompositor.cpp there is a DndEventCycle function, where current_dnd_area geometry is checked. If our drop point is inside this geometry, HandleDndDrop function is called.
  The problem is that the drop event coordinates are absolute, but InputArea's are not. This means that i can't get ProcessDndDrop function call if my InputArea is a child (in the layout) of another window that placed not in top left corner of the screen.

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