File: resettable.h

package info (click to toggle)
qt6-declarative 6.9.1%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 308,920 kB
  • sloc: cpp: 775,911; javascript: 514,247; xml: 10,855; python: 2,806; ansic: 2,253; java: 810; sh: 262; makefile: 41; php: 27
file content (39 lines) | stat: -rw-r--r-- 927 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#ifndef RESETTABLE_H
#define RESETTABLE_H

#include <QtCore/qobject.h>
#include <QtQml/qqml.h>

class ResettableProperty : public QObject
{
    Q_OBJECT
    QML_NAMED_ELEMENT(Resettable)
    Q_PROPERTY(qreal value READ value WRITE setValue RESET resetValue NOTIFY valueChanged FINAL)
    Q_PROPERTY(qreal shadowable READ shadowable CONSTANT)

public:
    explicit ResettableProperty(QObject *parent = nullptr) : QObject(parent) {}
    qreal value() const { return m_value; }
    qreal shadowable() const { return 25; }

public slots:
    void resetValue() { setValue(0); }
    void setValue(qreal value)
    {
        if (m_value == value)
            return;
        m_value = value;
        emit valueChanged();
    }

signals:
    void valueChanged();

private:
    qreal m_value = 0;
};

#endif // RESETTABLE_H