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 geometry()63 QRect geometry() const override { return m_geometry; } depth()64 int depth() const override { return 32; } format()65 QImage::Format format() const override { return QImage::Format_RGB32; } cursor()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: drag(QDrag *)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