CEventGraphicsView.h

// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ImtCore-Commercial
#pragma once
 
 
// Qt includes
#include <QtCore/QDateTime>
#include <QtWidgets/QGraphicsView>
 
// ImtCore includes
#include <imtloggui/CTimeAxis.h>
#include <imtloggui/IViewPropertyManager.h>
 
 
namespace imtloggui
{
 
 
class CEventGraphicsView:
                     public QGraphicsView,
                     virtual public IViewPropertyManager
{
       Q_OBJECT
 
public:
       typedef QGraphicsView BaseClass;
 
       CEventGraphicsView(QWidget* parent = nullptr);
 
       // reimplemented (imtloggui::IViewPropertyProvider)
       virtual QRectF GetSceneRect() const override;
       virtual QRectF GetViewRect() const override;
       virtual QMargins GetMargins() const override;
       virtual istd::CRange GetScaleRangeX() const override;
       virtual istd::CRange GetScaleRangeY() const override;
       virtual double GetScaleX() const override;
       virtual double GetScaleY() const override;
 
       // reimplemented (imtloggui::IViewPropertyManager)
       virtual bool SetSceneRect(const QRectF& rect) override;
       virtual bool SetViewRect(const QRectF& rect) override;
       virtual bool SetMargins(const QMargins& margins) override;
       virtual bool SetScaleRangeX(const istd::CRange& range) override;
       virtual bool SetScaleRangeY(const istd::CRange& range) override;
 
Q_SIGNALS:
       void EmitViewPortChanged(bool userAction);
 
public Q_SLOTS:
       void OnShowAll();
 
protected:
       // reimplemented (QGraphicsView)
       virtual void wheelEvent(QWheelEvent* event) override;
       virtual void resizeEvent(QResizeEvent* event) override;
       virtual void mouseMoveEvent(QMouseEvent *event) override;
       virtual void mousePressEvent(QMouseEvent *event) override;
       virtual void mouseReleaseEvent(QMouseEvent *event) override;
 
private:
       void MoveViewRect(double dX, double dY);
       void ScaleViewRect(const QPointF& center, double scaleX, double scaleY);
       void ValidateViewRect();
       void UpdateViewRect();
 
private:
       QPointF m_lockedScenePoint;
 
       double m_userAction;
       double m_minimumVerticalScale;
       QRectF m_sceneRect;
       QRectF m_viewRect;
       QMargins m_margins;
       istd::CRange m_scaleRangeX;
       istd::CRange m_scaleRangeY;
};
 
 
} // namespace imtloggui