1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtGui module 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 http://www.qt.io/terms-conditions. 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These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef QICON_P_H 43 #define QICON_P_H 44 45 // 46 // W A R N I N G 47 // ------------- 48 // 49 // This file is not part of the Qt API. It exists purely as an 50 // implementation detail. This header file may change from version to 51 // version without notice, or even be removed. 52 // 53 // We mean it. 54 // 55 56 #include <QtCore/qglobal.h> 57 #include <QtCore/qsize.h> 58 #include <QtCore/qlist.h> 59 #include <QtGui/qpixmap.h> 60 #include <QtGui/qicon.h> 61 #include <QtGui/qiconengine.h> 62 63 #ifndef QT_NO_ICON 64 QT_BEGIN_NAMESPACE 65 66 class QIconPrivate 67 { 68 public: 69 QIconPrivate(); 70 ~QIconPrivate()71 ~QIconPrivate() { 72 if (engine_version == 1) { 73 if (!v1RefCount->deref()) { 74 delete engine; 75 delete v1RefCount; 76 } 77 } else if (engine_version == 2) { 78 delete engine; 79 } 80 } 81 82 QIconEngine *engine; 83 84 QAtomicInt ref; 85 int serialNum; 86 int detach_no; 87 int engine_version; 88 89 QAtomicInt *v1RefCount; 90 }; 91 92 93 struct QPixmapIconEngineEntry 94 { QPixmapIconEngineEntryQPixmapIconEngineEntry95 QPixmapIconEngineEntry():mode(QIcon::Normal), state(QIcon::Off){} 96 QPixmapIconEngineEntry(const QPixmap &pm, QIcon::Mode m = QIcon::Normal, QIcon::State s = QIcon::Off) pixmapQPixmapIconEngineEntry97 :pixmap(pm), size(pm.size()), mode(m), state(s){} 98 QPixmapIconEngineEntry(const QString &file, const QSize &sz = QSize(), QIcon::Mode m = QIcon::Normal, QIcon::State s = QIcon::Off) fileNameQPixmapIconEngineEntry99 :fileName(file), size(sz), mode(m), state(s){} 100 QPixmap pixmap; 101 QString fileName; 102 QSize size; 103 QIcon::Mode mode; 104 QIcon::State state; isNullQPixmapIconEngineEntry105 bool isNull() const {return (fileName.isEmpty() && pixmap.isNull()); } 106 }; 107 108 109 110 class QPixmapIconEngine : public QIconEngineV2 { 111 public: 112 QPixmapIconEngine(); 113 QPixmapIconEngine(const QPixmapIconEngine &); 114 ~QPixmapIconEngine(); 115 void paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state); 116 QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state); 117 QPixmapIconEngineEntry *bestMatch(const QSize &size, QIcon::Mode mode, QIcon::State state, bool sizeOnly); 118 QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state); 119 void addPixmap(const QPixmap &pixmap, QIcon::Mode mode, QIcon::State state); 120 void addFile(const QString &fileName, const QSize &size, QIcon::Mode mode, QIcon::State state); 121 122 // v2 functions 123 QString key() const; 124 QIconEngineV2 *clone() const; 125 bool read(QDataStream &in); 126 bool write(QDataStream &out) const; 127 void virtual_hook(int id, void *data); 128 129 private: 130 QPixmapIconEngineEntry *tryMatch(const QSize &size, QIcon::Mode mode, QIcon::State state); 131 QVector<QPixmapIconEngineEntry> pixmaps; 132 133 friend QDataStream &operator<<(QDataStream &s, const QIcon &icon); 134 friend class QIconThemeEngine; 135 }; 136 137 QT_END_NAMESPACE 138 #endif //QT_NO_ICON 139 #endif // QICON_P_H 140