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#include <BALL/VIEW/KERNEL/MODES/pickingMode.h>
#include <QtGui/QMouseEvent>
#include <QtGui/QKeyEvent>
#include <BALL/VIEW/WIDGETS/scene.h>
#include <BALL/VIEW/KERNEL/mainControl.h>
#include <BALL/VIEW/KERNEL/message.h>
namespace BALL
{
namespace VIEW
{
PickingMode::PickingMode(Scene* scene)
: InteractionMode(scene),
pick_select_(false),
ignore_pick_(false)
{
String description = "Shortcut|Display|Picking_Mode";
main_action_ = scene_->insertMenuEntry(MainControl::DISPLAY, tr("&Picking Mode"), this,
0, description, QKeySequence("Ctrl+P"),
tr("Switch to picking mode, e.g. to identify single atoms or groups"),
UIOperationMode::MODE_ADVANCED);
if (main_action_)
{
scene_->setIcon(main_action_, "actions/select-rectangular", false);
main_action_->setCheckable(true);
connect(main_action_, SIGNAL(triggered()), SLOT(modeChangeSlot_()));
}
}
void PickingMode::mouseDoubleClickEvent(QMouseEvent* evt)
{
QPoint p = scene_->mapFromGlobal(evt->pos());
pickParent_(p);
}
void PickingMode::mouseMoveEventImpl_(QMouseEvent* evt)
{
if (evt->buttons() & (Qt::LeftButton | Qt::RightButton))
{
selectionPressedMoved_();
}
}
void PickingMode::mousePressEventImpl_(QMouseEvent* evt)
{
std::cout << "Starting pick" << std::endl;
if (evt->modifiers() == Qt::NoModifier && (evt->buttons() & (Qt::LeftButton | Qt::RightButton)))
{
pick_select_ = (evt->buttons() == Qt::LeftButton);
mouse_pos_pick_ = mouse_pos_new_;
}
else
{
pickParent_(evt->pos());
}
}
void PickingMode::mouseReleaseEventImpl_(QMouseEvent* /*evt*/)
{
if (ignore_pick_)
{
ignore_pick_ = false;
return;
}
selectObjects_();
}
Qt::Key PickingMode::getKey() const
{
return Qt::Key_Q;
}
void PickingMode::activate()
{
InteractionMode::activate();
scene_->enterPickingMode();
scene_->setCursor(QCursor(Qt::CrossCursor));
}
void PickingMode::deactivate()
{
InteractionMode::deactivate();
scene_->exitPickingMode();
}
void PickingMode::selectionPressedMoved_()
{
auto x0 = std::min(mouse_pos_new_.x(), mouse_pos_pick_.x());
auto x1 = std::max(mouse_pos_new_.x(), mouse_pos_pick_.x());
auto y0 = std::min(mouse_pos_new_.y(), mouse_pos_pick_.y());
auto y1 = std::max(mouse_pos_new_.y(), mouse_pos_pick_.y());
QPoint p0 = scene_->mapFromGlobal(QPoint(x0, y0));
QPoint p1 = scene_->mapFromGlobal(QPoint(x1, y1));
scene_->setRubberBandGeometry(QRect(p0, p1));
scene_->setRubberBandVisible(true);
}
void PickingMode::pickParent_(const QPoint& p)
{
ignore_pick_ = true;
list<GeometricObject*> objects;
scene_->pickObjects(p, objects);
if (objects.empty()) return;
Composite* composite = (Composite*)(**objects.begin()).getComposite();
if (composite == 0) return;
Composite* to_select = 0;
Atom* atom = dynamic_cast<Atom*>(composite);
if (atom != 0)
{
to_select = atom->getParent();
}
else
{
Bond* bond = dynamic_cast<Bond*>(composite);
if (bond!= 0)
{
to_select = (Composite*)bond->getFirstAtom()->getParent();
}
else
{
to_select = composite;
}
}
if (to_select != 0)
{
if (to_select->isSelected())
{
getMainControl()->deselectCompositeRecursive(to_select, true);
}
else
{
getMainControl()->selectCompositeRecursive(to_select, true);
}
getMainControl()->update(*to_select, true);
}
}
void PickingMode::selectObjects_()
{
scene_->setRubberBandVisible(false);
QPoint p0 = scene_->mapFromGlobal(mouse_pos_pick_);
QPoint p1 = scene_->mapFromGlobal(mouse_pos_new_);
list<GeometricObject*> objects;
// draw the representations
scene_->pickObjects(p0, p1, objects);
// sent collected objects
GeometricObjectSelectionMessage* message = new GeometricObjectSelectionMessage;
message->setSelection(objects);
message->setSelected(pick_select_);
scene_->notify(message);
}
}
}
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