boolean ConnectManip::Manipulating (Event& e) {
GraphicView* views = GetViewer()->GetGraphicView();
Rubberband* r = GetRubberband();
float cx, cy;
if (r == nil) {
return false;
}
if (e.eventType == MotionEvent) {
_target = views->ConnectorIntersecting(
e.x-SLOP, e.y-SLOP, e.x+SLOP, e.y+SLOP
);
if (_target == nil) {
r->Track(e.x, e.y);
} else {
_target->GetGraphic()->GetCenter(cx, cy);
r->Track(Math::round(cx), Math::round(cy));
}
} else if (e.eventType == UpEvent) {
r->Erase();
return false;
}
return true;
}
void View::Track (Event& e, Rubberband& r) {
r.Draw();
Listen(allEvents);
do {
if (e.eventType == MotionEvent) {
r.Track(e.x, e.y);
}
Read(e);
} while (e.eventType != UpEvent);
Listen(input);
r.Erase();
}
