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The keyword "virtual" signalizes that the function is virtual, i.e. the function of the derived class is called, even if the call is on the parent class. It is not necessary to repeat the "virtual" keyword in derived classes. To highlight derived virtual functions, the keyword "override" should be used instead. It results in a hard compile- error, if no function is overridden, thus avoiding subtle bugs. Replace "virtual" by "override" where appropriate. Moreover, replace Q_DECL_OVERRIDE by override, since we require reasonably recent compilers anyway. Likewise, replace /* reimp */ by "override" for consistency and compiler support. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#ifndef DIVEPIXMAPITEM_H
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#define DIVEPIXMAPITEM_H
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#include <QObject>
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#include <QGraphicsPixmapItem>
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class DivePixmapItem : public QObject, public QGraphicsPixmapItem {
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Q_OBJECT
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Q_PROPERTY(qreal opacity WRITE setOpacity READ opacity)
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Q_PROPERTY(QPointF pos WRITE setPos READ pos)
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Q_PROPERTY(qreal x WRITE setX READ x)
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Q_PROPERTY(qreal y WRITE setY READ y)
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public:
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DivePixmapItem(QGraphicsItem *parent = 0);
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};
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class CloseButtonItem : public DivePixmapItem {
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Q_OBJECT
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public:
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CloseButtonItem(QGraphicsItem *parent = 0);
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protected:
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void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
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public slots:
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void hide();
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void show();
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};
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class DivePictureItem : public DivePixmapItem {
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Q_OBJECT
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Q_PROPERTY(qreal scale WRITE setScale READ scale)
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public:
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DivePictureItem(QGraphicsItem *parent = 0);
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void setPixmap(const QPixmap& pix);
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void setBaseZValue(double z);
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public slots:
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void settingsChanged();
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void removePicture();
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void setFileUrl(const QString& s);
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protected:
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void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
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void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
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void mousePressEvent(QGraphicsSceneMouseEvent *event);
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private:
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QString fileUrl;
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QGraphicsRectItem *canvas;
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QGraphicsRectItem *shadow;
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CloseButtonItem *button;
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double baseZValue;
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};
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#endif // DIVEPIXMAPITEM_H
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