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# qiconengine.h

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    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtGui module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QICONENGINE_H
    00043 #define QICONENGINE_H
    00044
    00045 #include <QtCore/qglobal.h>
    00046 #include <QtCore/qlist.h>
    00047 #include <QtGui/qicon.h>
    00048
    00049 QT_BEGIN_HEADER
    00050
    00051 QT_BEGIN_NAMESPACE
    00052
    00053 QT_MODULE(Gui)
    00054
    00055 class Q_GUI_EXPORT QIconEngine
    00056 {
    00057 public:
    00058     virtual ~QIconEngine();
    00059     virtual void paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state) = 0;
    00060     virtual QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state);
    00061     virtual QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state);
    00062
    00063     virtual void addPixmap(const QPixmap &pixmap, QIcon::Mode mode, QIcon::State state);
    00064     virtual void addFile(const QString &fileName, const QSize &size, QIcon::Mode mode, QIcon::State state);
    00065
    00066 #if 0
    00067     virtual int frameCount(QIcon::Mode fromMode, QIcon::State fromState, QIcon::Mode toMode, QIcon::State toState);
    00068     virtual void paintFrame(QPainter *painter, const QRect &rect, int frameNumber, QIcon::Mode fromMode, QIcon::State fromState, QIcon::Mode toMode, QIcon::State toState);
    00069 #endif
    00070 };
    00071
    00072 // ### Qt 5: move the below into QIconEngine
    00073 class Q_GUI_EXPORT QIconEngineV2 : public QIconEngine
    00074 {
    00075 public:
    00076     virtual QString key() const;
    00077     virtual QIconEngineV2 *clone() const;
    00078     virtual bool read(QDataStream &in);
    00079     virtual bool write(QDataStream &out) const;
    00080     virtual void virtual_hook(int id, void *data);
    00081
    00082 public:
    00083     enum IconEngineHook { AvailableSizesHook = 1, IconNameHook };
    00084
    00085     struct AvailableSizesArgument
    00086     {
    00087         QIcon::Mode mode;
    00088         QIcon::State state;
    00089         QList<QSize> sizes;
    00090     };
    00091
    00092     // ### Qt 5: make this function const and virtual.
    00093     QList<QSize> availableSizes(QIcon::Mode mode = QIcon::Normal,
    00094                                 QIcon::State state = QIcon::Off);
    00095
    00096     // ### Qt 5: make this function const and virtual.
    00097     QString iconName();
    00098 };
    00099
    00100 QT_END_NAMESPACE
    00101
    00102 QT_END_HEADER
    00103
    00104 #endif // QICONENGINE_H