CViewport.h

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// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ACF-Commercial
#pragma once
 
 
// Qt includes
#include <QtGui/QPainter>
#include <QtGui/QCursor>
#include <QtGui/QPainter>
#if QT_VERSION >= 0x050000
#include <QtWidgets/QWidget>
#else
#include <QtGui/QWidget>
#endif
 
// ACF includes
#include <iimg/IBitmap.h>
#include <imath/CFixedPointManip.h>
#include <iview/IViewEventObserver.h>
#include <iview/CConsoleBase.h>
#include <iview/CCalibratedViewBase.h>
#include <iview/CImageShape.h>
 
 
namespace iview
{
 
 
class CViewport:
                     public QWidget,
                     public CCalibratedViewBase,
                     virtual public IViewEventObserver
{
       Q_OBJECT
 
public:
       typedef CCalibratedViewBase BaseClass;
       typedef QWidget BaseClass2;
 
       CViewport(CConsoleBase* framePtr, QWidget* parent = NULL);
       virtual ~CViewport();
 
       CConsoleBase* GetFramePtr() const;
 
       void UpdateFitTransform();
 
       bool MoveViewBy(int dx, int dy);
 
       void SetShowInfoText(bool on);
 
       void SetMousePointerCursor(int mode, const QCursor& cursor);
 
       virtual void SetEditMode(int mode);
 
       // reimplemented (iview::IShapeView)
       virtual void SetFitArea(const i2d::CRectangle& area) override;
       virtual i2d::CRect GetClientRect() const override;
       virtual void Update() override;
 
       // reimplemented (iview::IViewEventObserver)
       virtual bool OnSelectChange(
                            const iview::IShapeView& view,
                            const istd::CIndex2d& position,
                            const iview::IInteractiveShape& shape,
                            bool state) override;
       virtual bool OnViewMouseButton(
                            const iview::IShapeView& view,
                            const istd::CIndex2d& position,
                            Qt::MouseButton buttonType,
                            bool state,
                            const iview::IInteractiveShape* shapePtr) override;
       virtual bool OnViewMouseMove(
                            const iview::IShapeView& view,
                            const istd::CIndex2d& position) override;
 
       // reimplemented (iview::IMouseActionObserver)
       virtual bool OnMouseMove(istd::CIndex2d position) override;
 
       // reimplemented (iview::CCalibratedViewBase)
       virtual void ConnectCalibrationShape(iview::IShape* shapePtr) override;
 
Q_SIGNALS:
       void ShapesChanged();
 
       void BoundingBoxChanged();
 
protected:
       virtual void SetBackgroundBufferValid(bool state = true);
       virtual void OnResize();
       virtual bool CanBeMoved() const;
 
       // reimplemented (QWidget)
       virtual void paintEvent(QPaintEvent* event) override;
       virtual void resizeEvent (QResizeEvent* event) override;
       virtual void keyPressEvent(QKeyEvent* event) override;
       virtual void keyReleaseEvent(QKeyEvent* event) override;
       virtual void mousePressEvent(QMouseEvent* event) override;
       virtual void mouseReleaseEvent(QMouseEvent* event) override;
       virtual void mouseMoveEvent(QMouseEvent* event) override;
       virtual void leaveEvent(QEvent* event) override;
 
       // reimplemented (iview::CViewBase)
       virtual void SetMousePointer(MousePointerMode mode) override;
       virtual void UpdateRectArea(const i2d::CRect& rect) override;
       virtual void OnBoundingBoxChanged() override;
 
       // reimplemented (iview::IDisplay)
       virtual void OnAreaInvalidated(const i2d::CRect& beforeBox, const i2d::CRect& afterBox) override;
 
       // static methods
       int GetMouseKeysState(const QMouseEvent& event);
 
protected:
       QCursor m_mousePointerModes[MPM_LAST];
 
       imath::CFixedPointManip m_pixelPositionFormatter;
       imath::CFixedPointManip m_logicalPositionFormatter;
       CConsoleBase* m_framePtr = nullptr;
 
       bool m_showInfoText = false;
       QString m_infoText;
 
       friend class CConsoleBase;
};
 
 
} // namespace iview