Fixes: Rotation animation freezes meegotouch rendering on Mac.
Fixes: Rotation animation freezes meegotouch rendering on Mac.

RevBy: Sergiy Dubovik

Details: Due to display screen is managed differently on Mac OSX vs X11 it was
not grabbing correctly the screen pixels, thus on OSX for rotation animation
the screenshot must be grabbed through grabWidget instead of grabWindow.

nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch