biotracker_core/BioTracker/Plugin/Sample/View/TrackedElementView.cpp at BioTracker3 · BioroboticsLab/biotracker_core · GitHub

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#include "TrackedElementView.h"
#include "Model/TrackedComponents/TrackedElement.h"
#include "Model/TrackedComponents/TrackedTrajectory.h"
#include "QBrush"
#include "QPainter"
#include <QGraphicsSceneHoverEvent>
#include <QMouseEvent>


namespace sampleTracker {
	class QGraphicsSceneHoverEvent;
	TrackedElementView::TrackedElementView(QGraphicsItem *parent, IController *controller, IModel *model) :
		IViewTrackedComponent(parent, controller, model)
	{
		TrackedElement *elem = dynamic_cast<TrackedElement *>(getModel());
		m_boundingRect = QRectF(0, 0, 100, 100);

		setAcceptHoverEvents(true);
		setAcceptedMouseButtons(Qt::MouseButtons::enum_type::LeftButton);

		_showSelectorRec = false;
		this->installEventFilter(this);
	}


	void TrackedElementView::rcvDimensionUpdate(int x, int y) {
		m_boundingRect = QRectF(0, 0, x, y);
		update();
	}

	QRectF TrackedElementView::boundingRect() const
	{

		return m_boundingRect;
	}


	void TrackedElementView::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
	{
		TrackedTrajectory *all = dynamic_cast<TrackedTrajectory *>(getModel());
		if (!all)
			return;

		//painter->drawRoundRect(&*ri);
		if (_showSelectorRec) {
			QColor color(Qt::cyan);
			color.setAlpha(150);
			QBrush brush(color);
			painter->fillRect(QRectF(_selectorRecStart, _selectorRecEnd), brush);
		}
	}

	void TrackedElementView::getNotified()
	{
		update();
	}

	bool TrackedElementView::sceneEventFilter(QGraphicsItem *watched, QEvent *event) {
		if (event->type() == QEvent::GraphicsSceneMousePress) {
			QGraphicsSceneMouseEvent *e = (QGraphicsSceneMouseEvent *)event;
			int x = e->pos().x();
			int y = e->pos().y();
			std::string note = "shift + left button press on: x="
				+ QString::number(x).toStdString() + " y=" + QString::number(y).toStdString();
			//initialize coordinates for selection tool
			_selectorRecStart.setX(e->pos().x());
			_selectorRecStart.setY(e->pos().y());
			_selectorRecEnd.setX(e->pos().x());
			_selectorRecEnd.setY(e->pos().y());
			_showSelectorRec = true;
			Q_EMIT update();
		}
		if (event->type() == QEvent::GraphicsSceneMouseMove) {
			QGraphicsSceneMouseEvent *e;
			if (_showSelectorRec && (e = dynamic_cast<QGraphicsSceneMouseEvent *>(event))) {
				_selectorRecEnd.setX(e->pos().x());
				_selectorRecEnd.setY(e->pos().y());
				Q_EMIT update();
			}
		}
		if (event->type() == QEvent::GraphicsSceneMouseRelease) {
			if (_showSelectorRec) {
				QGraphicsSceneMouseEvent *e = (QGraphicsSceneMouseEvent*)event;
				_selectorRecEnd.setX(e->pos().x());
				_selectorRecEnd.setY(e->pos().y());
				_showSelectorRec = false;
				//next draw will delete rectangle!
				Q_EMIT update();
				std::string note = "selected area from " + QString::number(
					_selectorRecStart.x()).toStdString() + ":" +
					QString::number(_selectorRecStart.y()).toStdString()
					+ " to " + QString::number(_selectorRecEnd.x()).toStdString() + ":" +
					QString::number(_selectorRecEnd.y()).toStdString();
			}
		}
		return true;
	}

	bool TrackedElementView::eventFilter(QObject *target, QEvent *event)
	{
		if (event->type() == QEvent::GraphicsSceneMousePress) {
			QGraphicsSceneMouseEvent *e = (QGraphicsSceneMouseEvent *)event;
			int x = e->pos().x();
			int y = e->pos().y();
			std::string note = "shift + left button press on: x="
				+ QString::number(x).toStdString() + " y=" + QString::number(y).toStdString();
			//initialize coordinates for selection tool
			_selectorRecStart.setX(e->pos().x());
			_selectorRecStart.setY(e->pos().y());
			_selectorRecEnd.setX(e->pos().x());
			_selectorRecEnd.setY(e->pos().y());
			_showSelectorRec = true;
			Q_EMIT update();
		}
		if (event->type() == QEvent::GraphicsSceneMouseMove) {
			QGraphicsSceneMouseEvent *e;
			if (_showSelectorRec && (e = dynamic_cast<QGraphicsSceneMouseEvent *>(event))) {
				_selectorRecEnd.setX(e->pos().x());
				_selectorRecEnd.setY(e->pos().y());
				Q_EMIT update();
			}
		}
		if (event->type() == QEvent::GraphicsSceneMouseRelease) {
			if (_showSelectorRec) {
				QGraphicsSceneMouseEvent *e = (QGraphicsSceneMouseEvent*)event;
				_selectorRecEnd.setX(e->pos().x());
				_selectorRecEnd.setY(e->pos().y());
				_showSelectorRec = false;
				//next draw will delete rectangle!
				Q_EMIT update();
				std::string note = "selected area from " + QString::number(
					_selectorRecStart.x()).toStdString() + ":" +
					QString::number(_selectorRecStart.y()).toStdString()
					+ " to " + QString::number(_selectorRecEnd.x()).toStdString() + ":" +
					QString::number(_selectorRecEnd.y()).toStdString();
			}
		}
		return true;// TrackedElementView::eventFilter(target, event);
	}

}