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43 lines
808 B
C
43 lines
808 B
C
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// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef GRAPHWIDGET_H
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#define GRAPHWIDGET_H
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#include <QGraphicsView>
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class Node;
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//! [0]
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class GraphWidget : public QGraphicsView
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{
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Q_OBJECT
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public:
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GraphWidget(QWidget *parent = nullptr);
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void itemMoved();
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public slots:
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void shuffle();
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void zoomIn();
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void zoomOut();
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protected:
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void keyPressEvent(QKeyEvent *event) override;
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void timerEvent(QTimerEvent *event) override;
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#if QT_CONFIG(wheelevent)
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void wheelEvent(QWheelEvent *event) override;
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#endif
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void drawBackground(QPainter *painter, const QRectF &rect) override;
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void scaleView(qreal scaleFactor);
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private:
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int timerId = 0;
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Node *centerNode;
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};
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//! [0]
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#endif // GRAPHWIDGET_H
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