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| 1 | /**************************************************************************** | - |
| 2 | ** | - |
| 3 | ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). | - |
| 4 | ** Contact: http://www.qt-project.org/legal | - |
| 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 Digia. For licensing terms and | - |
| 14 | ** conditions see http://qt.digia.com/licensing. For further information | - |
| 15 | ** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software | - |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL included in the | - |
| 21 | ** packaging of this file. Please review the following information to | - |
| 22 | ** ensure the GNU Lesser General Public License version 2.1 requirements | - |
| 23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | - |
| 24 | ** | - |
| 25 | ** In addition, as a special exception, Digia gives you certain additional | - |
| 26 | ** rights. These rights are described in the Digia Qt LGPL Exception | - |
| 27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | - |
| 28 | ** | - |
| 29 | ** GNU General Public License Usage | - |
| 30 | ** Alternatively, this file may be used under the terms of the GNU | - |
| 31 | ** General Public License version 3.0 as published by the Free Software | - |
| 32 | ** Foundation and appearing in the file LICENSE.GPL included in the | - |
| 33 | ** packaging of this file. Please review the following information to | - |
| 34 | ** ensure the GNU General Public License version 3.0 requirements will be | - |
| 35 | ** met: http://www.gnu.org/copyleft/gpl.html. | - |
| 36 | ** | - |
| 37 | ** | - |
| 38 | ** $QT_END_LICENSE$ | - |
| 39 | ** | - |
| 40 | ****************************************************************************/ | - |
| 41 | | - |
| 42 | #include "qstyleplugin.h" | - |
| 43 | #include "qstyle.h" | - |
| 44 | | - |
| 45 | QT_BEGIN_NAMESPACE | - |
| 46 | | - |
| 47 | /*! | - |
| 48 | \class QStylePlugin | - |
| 49 | \brief The QStylePlugin class provides an abstract base for custom QStyle plugins. | - |
| 50 | | - |
| 51 | \ingroup plugins | - |
| 52 | \inmodule QtWidgets | - |
| 53 | | - |
| 54 | QStylePlugin is a simple plugin interface that makes it easy | - |
| 55 | to create custom styles that can be loaded dynamically into | - |
| 56 | applications using the QStyleFactory class. | - |
| 57 | | - |
| 58 | Writing a style plugin is achieved by subclassing this base class, | - |
| 59 | reimplementing the pure virtual create() function, and | - |
| 60 | exporting the class using the Q_PLUGIN_METADATA() macro. | - |
| 61 | | - |
| 62 | \snippet qstyleplugin/main.cpp 0 | - |
| 63 | | - |
| 64 | The json metadata file \c mystyleplugin.json for the plugin needs | - |
| 65 | to contain information about the names of the styles the plugins | - |
| 66 | supports as follows: | - |
| 67 | | - |
| 68 | \quotefile qstyleplugin/mystyleplugin.json | - |
| 69 | | - |
| 70 | See \l {How to Create Qt Plugins} for details. | - |
| 71 | | - |
| 72 | \sa QStyleFactory, QStyle | - |
| 73 | */ | - |
| 74 | | - |
| 75 | /*! | - |
| 76 | \fn QStyle *QStylePlugin::create(const QString& key) | - |
| 77 | | - |
| 78 | Creates and returns a QStyle object for the given style \a key. | - |
| 79 | If a plugin cannot create a style, it should return 0 instead. | - |
| 80 | | - |
| 81 | The style key is usually the class name of the required | - |
| 82 | style. Note that the keys are case insensitive. For example: | - |
| 83 | | - |
| 84 | \snippet qstyleplugin/main.cpp 1 | - |
| 85 | */ | - |
| 86 | | - |
| 87 | /*! | - |
| 88 | Constructs a style plugin with the given \a parent. | - |
| 89 | | - |
| 90 | Note that this constructor is invoked automatically by the | - |
| 91 | moc generated code that exports the plugin, so there is no need for calling it | - |
| 92 | explicitly. | - |
| 93 | */ | - |
| 94 | QStylePlugin::QStylePlugin(QObject *parent) | - |
| 95 | : QObject(parent) | - |
| 96 | { | - |
| 97 | } | 0 |
| 98 | | - |
| 99 | /*! | - |
| 100 | Destroys the style plugin. | - |
| 101 | | - |
| 102 | Note that Qt destroys a plugin automatically when it is no longer | - |
| 103 | used, so there is no need for calling the destructor explicitly. | - |
| 104 | */ | - |
| 105 | QStylePlugin::~QStylePlugin() | - |
| 106 | { | - |
| 107 | } | - |
| 108 | | - |
| 109 | QT_END_NAMESPACE | - |
| 110 | | - |
| | |