1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | ** Contact: https://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the plugins of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** Commercial License Usage |
10 | ** Licensees holding valid commercial Qt licenses may use this file in |
11 | ** accordance with the commercial license agreement provided with the |
12 | ** Software or, alternatively, in accordance with the terms contained in |
13 | ** a written agreement between you and The Qt Company. For licensing terms |
14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
15 | ** information use the contact form at https://www.qt.io/contact-us. |
16 | ** |
17 | ** GNU Lesser General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
19 | ** General Public License version 3 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 3 requirements |
23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
24 | ** |
25 | ** GNU General Public License Usage |
26 | ** Alternatively, this file may be used under the terms of the GNU |
27 | ** General Public License version 2.0 or (at your option) the GNU General |
28 | ** Public license version 3 or any later version approved by the KDE Free |
29 | ** Qt Foundation. The licenses are as published by the Free Software |
30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
31 | ** included in the packaging of this file. Please review the following |
32 | ** information to ensure the GNU General Public License requirements will |
33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
35 | ** |
36 | ** $QT_END_LICENSE$ |
37 | ** |
38 | ****************************************************************************/ |
39 | |
40 | #ifndef QOFFSCREENCOMMON_H |
41 | #define QOFFSCREENCOMMON_H |
42 | |
43 | #include <qpa/qplatformbackingstore.h> |
44 | #if QT_CONFIG(draganddrop) |
45 | #include <qpa/qplatformdrag.h> |
46 | #endif |
47 | #include <qpa/qplatformintegration.h> |
48 | #include <qpa/qplatformnativeinterface.h> |
49 | #include <qpa/qplatformscreen.h> |
50 | #include <qpa/qplatformwindow.h> |
51 | |
52 | #include <qscopedpointer.h> |
53 | #include <qimage.h> |
54 | #include <qhash.h> |
55 | |
56 | QT_BEGIN_NAMESPACE |
57 | |
58 | class QOffscreenScreen : public QPlatformScreen |
59 | { |
60 | public: |
61 | QOffscreenScreen(); |
62 | |
63 | QRect geometry() const override { return m_geometry; } |
64 | int depth() const override { return 32; } |
65 | QImage::Format format() const override { return QImage::Format_RGB32; } |
66 | QPlatformCursor *cursor() const override { return m_cursor.data(); } |
67 | |
68 | QPixmap grabWindow(WId window, int x, int y, int width, int height) const override; |
69 | |
70 | static QPlatformWindow *windowContainingCursor; |
71 | |
72 | public: |
73 | QRect m_geometry; |
74 | QScopedPointer<QPlatformCursor> m_cursor; |
75 | }; |
76 | |
77 | #if QT_CONFIG(draganddrop) |
78 | class QOffscreenDrag : public QPlatformDrag |
79 | { |
80 | public: |
81 | Qt::DropAction drag(QDrag *) override { return Qt::IgnoreAction; } |
82 | }; |
83 | #endif |
84 | |
85 | class QOffscreenBackingStore : public QPlatformBackingStore |
86 | { |
87 | public: |
88 | QOffscreenBackingStore(QWindow *window); |
89 | ~QOffscreenBackingStore(); |
90 | |
91 | QPaintDevice *paintDevice() override; |
92 | void flush(QWindow *window, const QRegion ®ion, const QPoint &offset) override; |
93 | void resize(const QSize &size, const QRegion &staticContents) override; |
94 | bool scroll(const QRegion &area, int dx, int dy) override; |
95 | |
96 | QPixmap grabWindow(WId window, const QRect &rect) const; |
97 | |
98 | static QOffscreenBackingStore *backingStoreForWinId(WId id); |
99 | |
100 | private: |
101 | void clearHash(); |
102 | |
103 | QImage m_image; |
104 | QHash<WId, QRect> m_windowAreaHash; |
105 | |
106 | static QHash<WId, QOffscreenBackingStore *> m_backingStoreForWinIdHash; |
107 | }; |
108 | |
109 | class QOffscreenPlatformNativeInterface : public QPlatformNativeInterface |
110 | { |
111 | public: |
112 | ~QOffscreenPlatformNativeInterface(); |
113 | }; |
114 | |
115 | QT_END_NAMESPACE |
116 | |
117 | #endif |
118 | |