File indexing completed on 2024-05-12 03:48:25

 /*
     File                 : DatapickerImageView.h
     Project              : LabPlot
     Description          : DatapickerImage view for datapicker
     --------------------------------------------------------------------
     SPDX-FileCopyrightText: 2015 Ankit Wagadre <wagadre.ankit@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef DATAPICKERIMAGEVIEW_H
 #define DATAPICKERIMAGEVIEW_H
 
 #include "commonfrontend/worksheet/WorksheetView.h"
 
 class AbstractAspect;
 class DatapickerImage;
 class Datapicker;
 class Transform;
 
 class QActionGroup;
 class QMenu;
 class QPrinter;
 class QToolBar;
 class QToolButton;
 class QWheelEvent;
 
 class DatapickerImageView : public QGraphicsView {
     Q_OBJECT
 
 public:
     explicit DatapickerImageView(DatapickerImage*);
     ~DatapickerImageView() override;
 
     void setScene(QGraphicsScene*);
     void exportToFile(const QString&, const WorksheetView::ExportFormat, const int);
 
 private:
     enum class MouseMode { Navigation, ZoomSelection, ReferencePointsEntry, CurvePointsEntry, CurveSegmentsEntry };
 
     void initActions();
     void initMenus();
     void drawForeground(QPainter*, const QRectF&) override;
     void drawBackground(QPainter*, const QRectF&) override;
     void exportPaint(QPainter*, const QRectF& targetRect, const QRectF& sourceRect);
     void updateMagnificationWindow();
 
     // events
     void contextMenuEvent(QContextMenuEvent*) override;
     void keyPressEvent(QKeyEvent* event) override;
     void wheelEvent(QWheelEvent*) override;
     void mousePressEvent(QMouseEvent*) override;
     void mouseReleaseEvent(QMouseEvent*) override;
     void mouseMoveEvent(QMouseEvent*) override;
 
     DatapickerImage* m_image;
     Datapicker* m_datapicker;
     Transform* m_transform;
     MouseMode m_mouseMode{MouseMode::ReferencePointsEntry};
     bool m_selectionBandIsShown{false};
     QPoint m_selectionStart;
     QPoint m_selectionEnd;
     int magnificationFactor{0};
     float m_rotationAngle{0.0};
     int m_numScheduledScalings{0};
 
     // Menus
     QMenu* m_zoomMenu;
     QMenu* m_viewMouseModeMenu;
     QMenu* m_viewImageMenu;
     QMenu* m_navigationMenu;
     QMenu* m_magnificationMenu;
 
     QToolButton* tbZoom{nullptr};
     QToolButton* tbMagnification{nullptr};
     QAction* currentZoomAction{nullptr};
     QAction* currentMagnificationAction{nullptr};
     QAction* currentPlotPointsTypeAction{nullptr};
 
     // Actions
     QAction* zoomInViewAction;
     QAction* zoomOutViewAction;
     QAction* zoomOriginAction;
     QAction* zoomFitPageHeightAction;
     QAction* zoomFitPageWidthAction;
 
     QAction* setAxisPointsAction;
     QAction* setCurvePointsAction;
     QAction* selectSegmentAction;
 
     QAction* addCurveAction;
 
     QAction* navigationModeAction;
     QAction* zoomSelectionModeAction;
 
     QActionGroup* navigationActionGroup;
     QAction* shiftLeftAction;
     QAction* shiftRightAction;
     QAction* shiftDownAction;
     QAction* shiftUpAction;
 
     QActionGroup* magnificationActionGroup;
     QAction* noMagnificationAction;
     QAction* twoTimesMagnificationAction;
     QAction* threeTimesMagnificationAction;
     QAction* fourTimesMagnificationAction;
     QAction* fiveTimesMagnificationAction;
 
 public Q_SLOTS:
     void createContextMenu(QMenu*) const;
     void fillToolBar(QToolBar*);
     void print(QPrinter*);
 
 private Q_SLOTS:
     void mouseModeChanged(QAction*);
     void magnificationChanged(QAction*);
     void changeZoom(QAction*);
     void changeSelectedItemsPosition(QAction*);
     void handleImageActions();
     void updateBackground();
     void addCurve();
     void changeRotationAngle();
 
     void zoom(int);
     void scalingTime();
     void animFinished();
 
 Q_SIGNALS:
     void statusInfo(const QString&);
 
     friend class DatapickerTest;
 };
 
 #endif