qstylefactory.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qstylefactory.h"
#include "qstyleplugin.h"
#include "private/qfactoryloader_p.h"
#include "qmutex.h"
 
#include "qapplication.h"
#include "qwindowsstyle_p.h"
#if QT_CONFIG(style_fusion)
#include "qfusionstyle_p.h"
#endif
 
QT_BEGIN_NAMESPACE
 
using namespace Qt::StringLiterals;
 
Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
    (QStyleFactoryInterface_iid, "/styles"_L1, Qt::CaseInsensitive))
 
 
QStyle *QStyleFactory::create(const QString& key)
{
    QStyle *ret = nullptr;
    QString style = key.toLower();
#if QT_CONFIG(style_windows)
    if (style == "windows"_L1)
        ret = new QWindowsStyle;
    else
#endif
#if QT_CONFIG(style_fusion)
    if (style == "fusion"_L1)
        ret = new QFusionStyle;
    else
#endif
#if defined(Q_OS_MACOS) && QT_DEPRECATED_SINCE(6, 0)
    if (style == "macintosh"_L1) {
        qWarning() << "The style key 'macintosh' is deprecated. Please use 'macos' instead.";
        style = QStringLiteral("macos");
    } else
#endif
    { } // Keep these here - they make the #ifdefery above work
    if (!ret)
        ret = qLoadPlugin<QStyle, QStylePlugin>(loader(), style);
    if (ret) {
        ret->setObjectName(style);
        ret->setName(style);
    }
    return ret;
}
 
QStringList QStyleFactory::keys()
{
    QStringList list;
    typedef QMultiMap<int, QString> PluginKeyMap;
 
    const PluginKeyMap keyMap = loader()->keyMap();
    const PluginKeyMap::const_iterator cend = keyMap.constEnd();
    for (PluginKeyMap::const_iterator it = keyMap.constBegin(); it != cend; ++it)
        list.append(it.value());
#if QT_CONFIG(style_windows)
    if (!list.contains("Windows"_L1))
        list << "Windows"_L1;
#endif
#if QT_CONFIG(style_fusion)
    if (!list.contains("Fusion"_L1))
        list << "Fusion"_L1;
#endif
    return list;
}
 
QT_END_NAMESPACE