make out the use of arthurwidgets
add HoverPoints class from Qt
test arthurwidgets and hoverpoints
change hoverpoints to close circle
introduce xform from demo affine
fix init rotation
fix dot position
add HoverPoints::HVLConnection
add hoverpoints to qwidget, not finished
add missing myhoverpoints
finish HVLConnection
hoverpoints add public findClickPos routine;myhoverpoints write eventFilter
get hoverpoints from their parent
myhoverpoints add resize event
myhoverpoints disable mouse right button response
myhoverpints add scale func, not complete
hoverpoints: add visible property; myhoverpoints: finish scale func
use QGraphics View Class to implement: init bc display
fix bc init size
setFlag for bc move and select