bool WindowManager::mousePressEvent(QObject *object, QEvent *event)
{
// cast event and check buttons/modifiers
QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
if (!(Qt::NoModifier==mouseEvent->modifiers() && Qt::LeftButton==mouseEvent->button())) {
return false;
}
// check lock
if (isLocked()) {
return false;
} else {
setLocked(true);
}
// cast to widget
QWidget *widget = static_cast<QWidget*>(object);
// check if widget can be dragged from current position
if (isBlackListed(widget) || !canDrag(widget)) {
return false;
}
// retrieve widget's child at event position
QPoint position(mouseEvent->pos());
QWidget *child = widget->childAt(position);
if (!canDrag(widget, child, position)) {
return false;
}
// save target and drag point
_target = widget;
_dragPoint = position;
_globalDragPoint = mouseEvent->globalPos();
_dragAboutToStart = true;
// send a move event to the current child with same position
// if received, it is caught to actually start the drag
QPoint localPoint(_dragPoint);
if (child) {
localPoint = child->mapFrom(widget, localPoint);
} else {
child = widget;
}
QMouseEvent localMouseEvent(QEvent::MouseMove, localPoint, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
qApp->sendEvent(child, &localMouseEvent);
// never eat event
return false;
}
bool Game::onMouseDown(const SDL_MouseButtonEvent &_event)
{
if(m_grab && (_event.button != 1))
{
m_isRotating = true;
return true;
}
if(m_grab || (_event.button != 1))
return false;
b2Vec2 worldPos = b2Vec2(_event.x, _event.y + m_cameraOffset);
PickObject picker;
b2AABB aabb;
picker.position = aabb.lowerBound = aabb.upperBound = worldToPhysics(worldPos);
m_world.QueryAABB(&picker, aabb);
if(!picker.fixture)
return false;
b2Body *body = picker.fixture->GetBody();
if(body->GetType() != b2_dynamicBody)
return false;
Renderable *renderable = static_cast<Renderable*>(body->GetUserData());
if(!canDrag(renderable))
return false;
Entities::Box *box = dynamic_cast<Entities::Box*>(renderable);
if(box && box->dragJoint())
{
m_grab = static_cast<b2MouseJoint*>(box->dragJoint());
}
else
{
b2MouseJointDef jointDef;
jointDef.maxForce = 100;
jointDef.collideConnected = true;
jointDef.bodyB = body;
jointDef.bodyA = m_ground;
jointDef.target = aabb.lowerBound;
m_grab = static_cast<b2MouseJoint*>(m_world.CreateJoint(&jointDef));
}
m_wasFixed = body->IsFixedRotation();
m_grabbed = renderable;
m_grabbedBody = body;
body->SetFixedRotation(true);
return true;
}
