qgsmaptoolselectannotation.h

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/***************************************************************************
    qgsmaptoolselectannotation.h
    ----------------
    copyright            : (C) 2025 by Mathieu Pellerin
    email                : mathieu at opengis dot ch
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSMAPTOOLSELECTANNOTATION_H
#define QGSMAPTOOLSELECTANNOTATION_H
 
#include "qgis_gui.h"
#include "qgis_sip.h"
#include "qgsannotationitemnode.h"
#include "qgsannotationmaptool.h"
#include "qgsmaptooladvanceddigitizing.h"
#include "qgsmaptoolselectannotationmousehandles.h"
#include "qgspointxy.h"
#include "qgsrectangle.h"
#include "qgsrubberband.h"
#include "qobjectuniqueptr.h"
 
class QgsRubberBand;
class QgsRenderedAnnotationItemDetails;
class QgsAnnotationItem;
class QgsAnnotationLayer;
class QgsAnnotationItemNodesSpatialIndex;
class QgsMapToolSelectAnnotationMouseHandles;
 
#define SIP_NO_FILE

class GUI_EXPORT QgsAnnotationItemRubberBand : public QgsRubberBand
{
    Q_OBJECT
 
  public:
    explicit QgsAnnotationItemRubberBand( const QString &layerId, const QString &itemId, QgsMapCanvas *canvas );
    ~QgsAnnotationItemRubberBand() override = default;

    QString layerId() const { return mLayerId; }

    QgsAnnotationLayer *layer() const;

    QString itemId() const { return mItemId; }

    QgsAnnotationItem *item() const;

    QgsRectangle boundingBox() const { return mBoundingBox; }

    void updateBoundingBox( const QgsRectangle &boundingBox );

    bool needsUpdatedBoundingBox() const { return mNeedsUpdatedBoundingBox; }

    void setNeedsUpdatedBoundingBox( bool needsUpdatedBoundingBox );
 
  private:
    QString mLayerId;
    QString mItemId;
    QgsRectangle mBoundingBox;
    bool mNeedsUpdatedBoundingBox = true;
};
 

class GUI_EXPORT QgsMapToolSelectAnnotation : public QgsAnnotationMapTool
{
    Q_OBJECT
 
  public:
    explicit QgsMapToolSelectAnnotation( QgsMapCanvas *canvas, QgsAdvancedDigitizingDockWidget *cadDockWidget );
    ~QgsMapToolSelectAnnotation() override;
 
    void activate() override;
    void deactivate() override;
    void cadCanvasMoveEvent( QgsMapMouseEvent *event ) override;
    void cadCanvasPressEvent( QgsMapMouseEvent *event ) override;
    void cadCanvasReleaseEvent( QgsMapMouseEvent *event ) override;
    void keyPressEvent( QKeyEvent *event ) override;

    QList<QgsAnnotationItemRubberBand *> selectedItems() const;

    void attemptMoveBy( QgsAnnotationItemRubberBand *annotationItemRubberBand, double deltaX, double deltaY );

    void attemptRotateBy( QgsAnnotationItemRubberBand *annotationItemRubberBand, double deltaDegree );

    void attemptSetSceneRect( QgsAnnotationItemRubberBand *annotationItemRubberBand, const QRectF &rect );
 
  signals:

    void selectedItemsChanged();

    void singleItemSelected( QgsAnnotationLayer *layer, const QString &itemId );

    void multipleItemsSelected();

    void selectionCleared();
 
  private slots:
    void onCanvasRefreshed();
 
  private:
    long long annotationItemRubberBandIndexFromId( const QString &layerId, const QString &itemId );
 
    void setSelectedItemFromPoint( const QgsPointXY &mapPoint, bool toggleSelection = false );
    void setSelectedItemsFromRect( const QgsRectangle &mapRect, bool toggleSelection = false );
    void clearSelectedItems();
    void updateSelectedItem();
 
    std::vector<std::unique_ptr<QgsAnnotationItemRubberBand>> mSelectedItems;
    QList<QPair<QString, QString>> mCopiedItems;
    QgsPointXY mCopiedItemsTopLeft;
 
    QObjectUniquePtr<QgsMapToolSelectAnnotationMouseHandles> mMouseHandles;
    bool mHoveringMouseHandles = false;
    QPointF mLastScenePos;
 
    QObjectUniquePtr<QgsRubberBand> mSelectionRubberBand;
    QRect mSelectionRect;
 
    bool mDragging = false;
    bool mCanceled = false;
};
 
#endif // QGSMAPTOOLSELECTANNOTATION_H