mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-23 20:10:48 +08:00
43 lines
808 B
C
43 lines
808 B
C
|
// Copyright (C) 2016 The Qt Company Ltd.
|
||
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
||
|
|
|
||
|
|
#ifndef GRAPHWIDGET_H
|
||
|
|
#define GRAPHWIDGET_H
|
||
|
|
|
||
|
|
#include <QGraphicsView>
|
||
|
|
|
||
|
|
class Node;
|
||
|
|
|
||
|
|
//! [0]
|
||
|
|
class GraphWidget : public QGraphicsView
|
||
|
|
{
|
||
|
|
Q_OBJECT
|
||
|
|
|
||
|
|
public:
|
||
|
|
GraphWidget(QWidget *parent = nullptr);
|
||
|
|
|
||
|
|
void itemMoved();
|
||
|
|
|
||
|
|
public slots:
|
||
|
|
void shuffle();
|
||
|
|
void zoomIn();
|
||
|
|
void zoomOut();
|
||
|
|
|
||
|
|
protected:
|
||
|
|
void keyPressEvent(QKeyEvent *event) override;
|
||
|
|
void timerEvent(QTimerEvent *event) override;
|
||
|
|
#if QT_CONFIG(wheelevent)
|
||
|
|
void wheelEvent(QWheelEvent *event) override;
|
||
|
|
#endif
|
||
|
|
void drawBackground(QPainter *painter, const QRectF &rect) override;
|
||
|
|
|
||
|
|
void scaleView(qreal scaleFactor);
|
||
|
|
|
||
|
|
private:
|
||
|
|
int timerId = 0;
|
||
|
|
Node *centerNode;
|
||
|
|
};
|
||
|
|
//! [0]
|
||
|
|
|
||
|
|
#endif // GRAPHWIDGET_H
|