Views : starting to implement the function which shows the selected
view.
Views : center the selected view in the viewport.
Views : calculate the offsets between the room and the editor
coordinates.
Views : use method visualToComponent in Visual Panel to take into
account the visual offset of the border and the zoom level.
Views : test if the new position of the viewport is above the origin
coordinates.
Views: debugging when testing the new position of the viewport.
Views : if the view is not visible or if the views are not enabled,
don't try to show the view.
Views : get the first instance in room of the 'Object following' object.
Views  : center the window on the 'object following' first instance.
Views : display the view with 'object following' in the center of the
object.
Views : if the view object has been changed, update the view's display.
Views : clean-up.
Views : testing.
Views : clean-up.
Views : if we are modifying the dimension of a view with an 'object
following' object set, update the display.
Views : views are centered correctly when zoome scale is two.
Views : use the instance left upper location to center view.
Views : if the visible property of a view is changed, update the
display.
Views : clean-up.
Views : Take into the zoom scale when there is an 'object to follow'.