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 QFBSCREEN_P_H
5#define QFBSCREEN_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 <qpa/qplatformscreen.h>
19#include <QtCore/QTimer>
20#include <QtCore/QSize>
21#include "qfbcursor_p.h"
22
23QT_BEGIN_NAMESPACE
24
25class QFbWindow;
26class QFbCursor;
27class QPainter;
28class QFbBackingStore;
29
30class QFbScreen : public QObject, public QPlatformScreen
31{
32 Q_OBJECT
33
34public:
35 enum Flag {
36 DontForceFirstWindowToFullScreen = 0x01
37 };
38 Q_DECLARE_FLAGS(Flags, Flag)
39
40 QFbScreen();
41 ~QFbScreen();
42
43 virtual bool initialize();
44
45 QRect geometry() const override { return mGeometry; }
46 int depth() const override { return mDepth; }
47 QImage::Format format() const override { return mFormat; }
48 QSizeF physicalSize() const override { return mPhysicalSize; }
49 QPlatformCursor *cursor() const override { return mCursor; }
50
51 QWindow *topWindow() const;
52 QWindow *topLevelAt(const QPoint & p) const override;
53
54 // compositor api
55 virtual void addWindow(QFbWindow *window);
56 virtual void removeWindow(QFbWindow *window);
57 virtual void raise(QFbWindow *window);
58 virtual void lower(QFbWindow *window);
59 virtual void topWindowChanged(QWindow *) {}
60 virtual int windowCount() const;
61 virtual Flags flags() const;
62
63 void addPendingBackingStore(QFbBackingStore *bs) { mPendingBackingStores << bs; }
64
65 void scheduleUpdate();
66
67public slots:
68 virtual void setDirty(const QRect &rect);
69 void setPhysicalSize(const QSize &size);
70 void setGeometry(const QRect &rect);
71
72protected:
73 virtual QRegion doRedraw();
74
75 void initializeCompositor();
76 bool event(QEvent *event) override;
77
78 QFbWindow *windowForId(WId wid) const;
79
80 QList<QFbWindow *> mWindowStack;
81 QRegion mRepaintRegion;
82 bool mUpdatePending;
83
84 QFbCursor *mCursor;
85 QRect mGeometry;
86 int mDepth;
87 QImage::Format mFormat;
88 QSizeF mPhysicalSize;
89 QImage mScreenImage;
90
91private:
92 QPainter *mPainter;
93 QList<QFbBackingStore*> mPendingBackingStores;
94
95 friend class QFbWindow;
96};
97
98Q_DECLARE_OPERATORS_FOR_FLAGS(QFbScreen::Flags)
99
100QT_END_NAMESPACE
101
102#endif // QFBSCREEN_P_H
103

source code of qtbase/src/platformsupport/fbconvenience/qfbscreen_p.h