[Development] 4.8 "flickable" versus "mousearea" drag fix

[Alberto Mardegan]

On 07/24/2012 09:01 PM, Rick Stockton wrote:
> Hi. This is WRT fix 
> https://codereview.qt-project.org/#change,30222,patchset=2 for 4.8 
> declarative.
> The changeset allows drag actions to occur with more 2D freedom, but it 
> steals the mouse (and prevents stealing by the parent "flickable") in 
> order to do so.

I don't think that the patch does anything evil to the grab. Even
without it, you can still drag an item in a direction perpendicular to
the flickable's axis.

The only thing that the patch does is that it makes it possible to
change the Drag.axis while the drag is still occurring; so that, for
instance, once a ListView item has been dragged away from the parent
ListView, we can allow it to be dragged everywhere on the screen.

The issue is described here:
https://bugreports.qt-project.org/browse/QTBUG-26440
Just try running the attached drag.qml file before and after the fix.

Ciao,
  Alberto

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