A selected movable's outline and resize handles, drawn in its adornment box so they are placed
and turned from the same numbers as the frame. Each handle captures the pointer for its gesture.
Remarks
A frame too small to show its handles apart (see the layer's stylesheet) hides them, still live,
and draws a move grip below it, as Excel does.
A selected movable's outline and resize handles, drawn in its adornment box so they are placed and turned from the same numbers as the frame. Each handle captures the pointer for its gesture.