1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QSCREEN_P_H
5#define QSCREEN_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtGui/private/qtguiglobal_p.h>
19#include <QtGui/qscreen.h>
20#include <qpa/qplatformscreen.h>
21#include "qhighdpiscaling_p.h"
22
23#include <QtCore/private/qobject_p.h>
24
25QT_BEGIN_NAMESPACE
26
27struct QScreenData
28{
29 QPlatformScreen *platformScreen = nullptr;
30
31 Qt::ScreenOrientation orientation = Qt::PrimaryOrientation;
32 Qt::ScreenOrientation primaryOrientation = Qt::LandscapeOrientation;
33 QRect geometry;
34 QRect availableGeometry;
35 QDpi logicalDpi = {96, 96};
36 qreal refreshRate = 60;
37};
38
39class QScreenPrivate : public QObjectPrivate, public QScreenData
40{
41 Q_DECLARE_PUBLIC(QScreen)
42public:
43 void updateGeometry();
44 void updatePrimaryOrientation();
45
46 class UpdateEmitter
47 {
48 public:
49 explicit UpdateEmitter(QScreen *screen);
50 ~UpdateEmitter();
51 UpdateEmitter(UpdateEmitter&&) noexcept = default;
52 private:
53 Q_DISABLE_COPY(UpdateEmitter)
54 QScreenData initialState;
55 };
56};
57
58QT_END_NAMESPACE
59
60#endif // QSCREEN_P_H
61

source code of qtbase/src/gui/kernel/qscreen_p.h