qt5base-lts/tests/manual/qscreen/propertyfield.h
Allan Sandfeld Jensen 564b59d903 Another round of replacing 0 with nullptr
This time based on grepping to also include documentation, tests and
examples previously missed by the automatic tool.

Change-Id: Ied1703f4bcc470fbc275f759ed5b7c588a5c4e9f
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
2020-10-07 23:02:47 +02:00

65 lines
2.0 KiB
C++

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef PROPERTYFIELD_H
#define PROPERTYFIELD_H
#include <QLineEdit>
#include <QMetaProperty>
#include <QTime>
/*!
A QLineEdit for viewing the text form of a property on an object.
Automatically stays up-to-date when the property changes.
(This is rather like a QML TextField bound to a property.)
*/
class PropertyField : public QLineEdit
{
Q_OBJECT
public:
explicit PropertyField(QObject* subject, const QMetaProperty& prop, QWidget *parent = nullptr);
signals:
public slots:
void propertyChanged();
protected:
QString valueToString(QVariant val);
private:
QObject* m_subject;
QString m_lastText;
QString m_lastTextShowing;
QTime m_lastChangeTime;
const QMetaProperty m_prop;
QBrush m_defaultBrush;
};
#endif // PROPERTYFIELD_H