void CommonItemMECS::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
QGraphicsItem::mouseReleaseEvent(event);
setX(snapToGrid(scenePos().x()));
setY(snapToGrid(scenePos().y()));
update();
}
Vec3f snapLength(const Vec3f p, float t) const
{
if (p.length() == 0.0f)
return Vec3f(0.0f);
else
return p.normalized()*snapToGrid(p.length(), t);
}
bool ApplicationModel::onItemMotionNotifyEvent(const Glib::RefPtr<Goocanvas::Item>& item,
GdkEventMotion* event)
{
if(item && _dragging && (item == _dragging))
{
parentWindow->setModified();
double new_x = event->x ;
double new_y = event->y ;
item->get_parent()->translate(new_x - _drag_x, new_y - _drag_y);
Goocanvas::Bounds bi = item->get_parent()->get_bounds();
bi = item->get_parent()->get_bounds();
if(bi.get_x1() < 0)
item->get_parent()->translate(-bi.get_x1(), 0);
if(bi.get_y1() < 0)
item->get_parent()->translate(0, -bi.get_y1());
snapToGrid();
bi = item->get_parent()->get_bounds();
this->points.clear();
GyPoint pt;
pt.x = bi.get_x1();
pt.y = bi.get_y1();
this->points.push_back(pt);
for(int i=0; i<get_n_children(); i++)
{
if(Glib::RefPtr<ModuleModel>::cast_dynamic(get_child(i)))
Glib::RefPtr<ModuleModel>::cast_dynamic(get_child(i))->updateArrowCoordination();
if(Glib::RefPtr<ExternalPortModel>::cast_dynamic(get_child(i)))
Glib::RefPtr<ExternalPortModel>::cast_dynamic(get_child(i))->updateArrowCoordination();
}
// updating canvas boundries
bool needUpdate = false;
if(parentWindow->m_Canvas)
{
Goocanvas::Bounds bc;
parentWindow->m_Canvas->get_bounds(bc);
needUpdate = (bi.get_x2() > bc.get_x2()) || (bi.get_y2() > bc.get_y2());
if(needUpdate)
{
new_x = (bi.get_x2() > bc.get_x2()) ? bi.get_x2() : bc.get_x2();
new_y = (bi.get_y2() > bc.get_y2()) ? bi.get_y2() : bc.get_y2();
parentWindow->m_Canvas->set_bounds(0,0, new_x, new_y);
if(parentWindow->m_Grid)
{
g_object_set(parentWindow->m_Grid, "width", new_x, NULL);
g_object_set(parentWindow->m_Grid, "height", new_y, NULL);
}
}
}
}
return true;
}
bool ApplicationModel::onItemButtonReleaseEvent(const Glib::RefPtr<Goocanvas::Item>& item,
GdkEventButton* event)
{
if(event->button == 1)
{
snapToGrid();
_dragging.clear() ;
}
return true;
}
bool MidpointModel::onItemMotionNotifyEvent(const Glib::RefPtr<Goocanvas::Item>& item,
GdkEventMotion* event)
{
if(item && _dragging && item == _dragging)
{
parentWindow->setModified();
double new_x = event->x ;
double new_y = event->y ;
item->translate(new_x - _drag_x, new_y - _drag_y);
if(event->state & GDK_CONTROL_MASK)
{
int index = arrow->getIndex(point_x, point_y);
if(index)
{
Gdk::Point current_point, base_point;
int dist;
current_point = getContactPoint();
// adjusting to the previous point
base_point = arrow->getPoint(index-1);
dist = current_point.get_y() - base_point.get_y();
if(abs(dist) <= AUTOSNIPE_MARGINE)
item->translate(0, -dist);
dist = current_point.get_x() - base_point.get_x();
if(abs(dist) <= AUTOSNIPE_MARGINE)
item->translate(-dist, 0);
// adjusting to the next point
base_point = arrow->getPoint(index+1);
dist = current_point.get_y() - base_point.get_y();
if(abs(dist) <= AUTOSNIPE_MARGINE)
item->translate(0, -dist);
dist = current_point.get_x() - base_point.get_x();
if(abs(dist) <= AUTOSNIPE_MARGINE)
item->translate(-dist, 0);
}
}
Goocanvas::Bounds bi = item->get_bounds();
bi = item->get_bounds();
if(bi.get_x1() < 0)
item->translate(-bi.get_x1(), 0);
if(bi.get_y1() < 0)
item->translate(0, -bi.get_y1());
snapToGrid();
// updating arrows coordination
updateCoordiantes();
}
return true;
}
bool ExternalPortModel::onItemButtonReleaseEvent(const Glib::RefPtr<Goocanvas::Item>& item,
GdkEventButton* event)
{
if(bNested)
return true;
if(event->button == 1)
{
snapToGrid();
_dragging.clear();
}
return true;
}
bool ExternalPortModel::onItemMotionNotifyEvent(const Glib::RefPtr<Goocanvas::Item>& item,
GdkEventMotion* event)
{
if(bNested)
return true;
if(item && _dragging && item == _dragging)
{
parentWindow->setModified();
double new_x = event->x ;
double new_y = event->y ;
item->get_parent()->translate(new_x - _drag_x, new_y - _drag_y);
Goocanvas::Bounds bi = item->get_bounds();
bi = item->get_parent()->get_bounds();
if(bi.get_x1() < 0)
item->get_parent()->translate(-bi.get_x1(), 0);
if(bi.get_y1() < 0)
item->get_parent()->translate(0, -bi.get_y1());
snapToGrid();
// updating arrows coordination
updateArrowCoordination();
bool needUpdate = false;
if(parentWindow->m_Canvas)
{
Goocanvas::Bounds bc;
parentWindow->m_Canvas->get_bounds(bc);
needUpdate = (bi.get_x2() > bc.get_x2()) || (bi.get_y2() > bc.get_y2());
if(needUpdate)
{
new_x = (bi.get_x2() > bc.get_x2()) ? bi.get_x2() : bc.get_x2();
new_y = (bi.get_y2() > bc.get_y2()) ? bi.get_y2() : bc.get_y2();
parentWindow->m_Canvas->set_bounds(0,0, new_x, new_y);
if(parentWindow->m_Grid)
{
g_object_set(parentWindow->m_Grid, "width", new_x, NULL);
g_object_set(parentWindow->m_Grid, "height", new_y, NULL);
}
}
}
}
return true;
}
/**
* @brief ElementScene::mouseMoveEvent
* @param e
*/
void ElementScene::mouseMoveEvent(QGraphicsSceneMouseEvent *e) {
if (m_event_interface) {
if (m_event_interface -> mouseMoveEvent(e)) {
if (m_event_interface->isFinish()) {
emit(partsAdded());
delete m_event_interface; m_event_interface = NULL;
}
return;
}
}
QPointF event_pos = e -> scenePos();
if (!e -> modifiers() & Qt::ControlModifier)
event_pos = snapToGrid(event_pos);
if (behavior == PasteArea) {
QRectF current_rect(paste_area_ -> rect());
current_rect.moveCenter(event_pos);
paste_area_ -> setRect(current_rect);
return;
}
QGraphicsScene::mouseMoveEvent(e);
}
