File indexing completed on 2023-09-24 07:59:32

 /*
     SPDX-FileCopyrightText: 2003 Jason Keirstead <jason@keirstead.org>
     SPDX-FileCopyrightText: 2006 Michel Hermier <michel.hermier@gmail.com>
     SPDX-FileCopyrightText: 2007 Nick Shaforostoff <shafff@ukr.net>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "kcodecaction.h"
 #include "kconfigwidgets_debug.h"
 
 #include <KCharsets>
 #include <KEncodingProber>
 #include <KLocalizedString>
 
 #include <QMenu>
 #include <QTextCodec>
 #include <QVariant>
 
 // According to http://www.iana.org/assignments/ianacharset-mib
 // the default/unknown mib value is 2.
 #define MIB_DEFAULT 2
 
 class KCodecActionPrivate
 {
 public:
     KCodecActionPrivate(KCodecAction *parent)
         : q(parent)
     {
     }
 
     void init(bool);
 
     void subActionTriggered(QAction *);
 
     KCodecAction *const q;
     QAction *defaultAction = nullptr;
     QAction *currentSubAction = nullptr;
 };
 
 KCodecAction::KCodecAction(QObject *parent, bool showAutoOptions)
     : KSelectAction(parent)
     , d(new KCodecActionPrivate(this))
 {
     d->init(showAutoOptions);
 }
 
 KCodecAction::KCodecAction(const QString &text, QObject *parent, bool showAutoOptions)
     : KSelectAction(text, parent)
     , d(new KCodecActionPrivate(this))
 {
     d->init(showAutoOptions);
 }
 
 KCodecAction::KCodecAction(const QIcon &icon, const QString &text, QObject *parent, bool showAutoOptions)
     : KSelectAction(icon, text, parent)
     , d(new KCodecActionPrivate(this))
 {
     d->init(showAutoOptions);
 }
 
 KCodecAction::~KCodecAction() = default;
 
 void KCodecActionPrivate::init(bool showAutoOptions)
 {
     q->setToolBarMode(KSelectAction::MenuMode);
     defaultAction = q->addAction(i18nc("Encodings menu", "Default"));
 
     const auto lstEncodings = KCharsets::charsets()->encodingsByScript();
     for (const QStringList &encodingsForScript : lstEncodings) {
         KSelectAction *tmp = new KSelectAction(encodingsForScript.at(0), q);
         if (showAutoOptions) {
             KEncodingProber::ProberType scri = KEncodingProber::proberTypeForName(encodingsForScript.at(0));
             if (scri != KEncodingProber::None) {
                 tmp->addAction(i18nc("Encodings menu", "Autodetect"))->setData(QVariant((uint)scri));
                 tmp->menu()->addSeparator();
             }
         }
         for (int i = 1; i < encodingsForScript.size(); ++i) {
             tmp->addAction(encodingsForScript.at(i));
         }
         q->connect(tmp, qOverload<QAction *>(&KSelectAction::triggered), q, [this](QAction *action) {
             subActionTriggered(action);
         });
         tmp->setCheckable(true);
         q->addAction(tmp);
     }
     q->setCurrentItem(0);
 
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 78)
     // forward deprecated signals to undeprecated, to be backward-compatible to unported subclasses
     QObject::connect(q, qOverload<QTextCodec *>(&KCodecAction::triggered), q, &KCodecAction::codecTriggered);
     QObject::connect(q, qOverload<KEncodingProber::ProberType>(&KCodecAction::triggered), q, &KCodecAction::encodingProberTriggered);
 #endif
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 103)
     QObject::connect(q, &KCodecAction::codecTriggered, q, [this](QTextCodec *codec) {
         Q_EMIT q->codecNameTriggered(QString::fromUtf8(codec->name()));
     });
 #endif
 }
 
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 103)
 int KCodecAction::mibForName(const QString &codecName, bool *ok) const
 {
     // FIXME logic is good but code is ugly
 
     bool success = false;
     int mib = MIB_DEFAULT;
     KCharsets *charsets = KCharsets::charsets();
 
     if (codecName == d->defaultAction->text()) {
         success = true;
     } else {
         QTextCodec *codec = charsets->codecForName(codecName, success);
         if (!success) {
             // Maybe we got a description name instead
             codec = charsets->codecForName(charsets->encodingForName(codecName), success);
         }
 
         if (codec) {
             mib = codec->mibEnum();
         }
     }
 
     if (ok) {
         *ok = success;
     }
 
     if (success) {
         return mib;
     }
 
     qCWarning(KCONFIG_WIDGETS_LOG) << "Invalid codec name: " << codecName;
     return MIB_DEFAULT;
 }
 #endif
 
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 103)
 QTextCodec *KCodecAction::codecForMib(int mib) const
 {
     if (mib == MIB_DEFAULT) {
         // FIXME offer to change the default codec
         return QTextCodec::codecForLocale();
     } else {
         return QTextCodec::codecForMib(mib);
     }
 }
 #endif
 
 void KCodecAction::actionTriggered(QAction *action)
 {
     // we don't want to emit any signals from top-level items
     // except for the default one
     if (action == d->defaultAction) {
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 78)
         Q_EMIT triggered(KEncodingProber::Universal);
 #elif KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 102)
         Q_EMIT encodingProberTriggered(KEncodingProber::Universal);
 #endif
         Q_EMIT defaultItemTriggered();
     }
 }
 
 void KCodecActionPrivate::subActionTriggered(QAction *action)
 {
     if (currentSubAction == action) {
         return;
     }
     currentSubAction = action;
     bool ok = true;
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 103)
     int mib = q->mibForName(action->text(), &ok);
 #endif
     if (ok) {
 #if KWIDGETSADDONS_BUILD_DEPRECATED_SINCE(5, 78)
         QT_WARNING_PUSH
         QT_WARNING_DISABLE_CLANG("-Wdeprecated-declarations")
         QT_WARNING_DISABLE_GCC("-Wdeprecated-declarations")
         // will also indirectly emit textTriggered, due to signal connection in KSelectAction
         Q_EMIT q->triggered(action->text());
         QT_WARNING_POP
 #else
         Q_EMIT q->textTriggered(action->text());
 #endif
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 103)
         QTextCodec *codec = q->codecForMib(mib);
 #endif
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 78)
         // will also indirectly emit codecTriggered, due to signal connection in init()
         Q_EMIT q->triggered(codec);
 #elif KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 103)
         Q_EMIT q->codecTriggered(codec);
 #else
         Q_EMIT q->codecNameTriggered(action->text());
 #endif
     } else {
         if (!action->data().isNull()) {
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 102)
             const auto encodingProberType = static_cast<KEncodingProber::ProberType>(action->data().toUInt());
 #endif
 
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 78)
             // will also indirectly emit encodingProberTriggered, due to signal connection in init()
             Q_EMIT q->triggered(encodingProberType);
 #elif KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 102)
             Q_EMIT q->encodingProberTriggered(encodingProberType);
 #endif
         }
     }
 }
 
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 103)
 QTextCodec *KCodecAction::currentCodec() const
 {
     return codecForMib(currentCodecMib());
 }
 #endif
 
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 103)
 bool KCodecAction::setCurrentCodec(QTextCodec *codec)
 {
     if (!codec) {
         return false;
     }
 
     for (int i = 0; i < actions().size(); ++i) {
         if (actions().at(i)->menu()) {
             for (int j = 0; j < actions().at(i)->menu()->actions().size(); ++j) {
                 if (!j && !actions().at(i)->menu()->actions().at(j)->data().isNull()) {
                     continue;
                 }
                 if (codec == KCharsets::charsets()->codecForName(actions().at(i)->menu()->actions().at(j)->text())) {
                     d->currentSubAction = actions().at(i)->menu()->actions().at(j);
                     d->currentSubAction->trigger();
                     return true;
                 }
             }
         }
     }
     return false;
 }
 #endif
 
 QString KCodecAction::currentCodecName() const
 {
     return d->currentSubAction->text();
 }
 
 bool KCodecAction::setCurrentCodec(const QString &codecName)
 {
     if (codecName.isEmpty()) {
         return false;
     }
 
     for (int i = 0; i < actions().size(); ++i) {
         if (actions().at(i)->menu()) {
             for (int j = 0; j < actions().at(i)->menu()->actions().size(); ++j) {
                 if (!j && !actions().at(i)->menu()->actions().at(j)->data().isNull()) {
                     continue;
                 }
                 if (codecName == actions().at(i)->menu()->actions().at(j)->text()) {
                     d->currentSubAction = actions().at(i)->menu()->actions().at(j);
                     d->currentSubAction->trigger();
                     return true;
                 }
             }
         }
     }
     return false;
 }
 
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 103)
 int KCodecAction::currentCodecMib() const
 {
     return mibForName(currentCodecName());
 }
 #endif
 
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 103)
 bool KCodecAction::setCurrentCodec(int mib)
 {
     if (mib == MIB_DEFAULT) {
         return setCurrentAction(d->defaultAction);
     } else {
         return setCurrentCodec(codecForMib(mib));
     }
 }
 #endif
 
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 102)
 KEncodingProber::ProberType KCodecAction::currentProberType() const
 {
     return d->currentSubAction->data().isNull() ? KEncodingProber::None : (KEncodingProber::ProberType)d->currentSubAction->data().toUInt();
 }
 #endif
 
 #if KCONFIGWIDGETS_BUILD_DEPRECATED_SINCE(5, 102)
 bool KCodecAction::setCurrentProberType(KEncodingProber::ProberType scri)
 {
     if (scri == KEncodingProber::Universal) {
         d->currentSubAction = d->defaultAction;
         d->currentSubAction->trigger();
         return true;
     }
 
     for (int i = 0; i < actions().size(); ++i) {
         if (actions().at(i)->menu()) {
             if (!actions().at(i)->menu()->actions().isEmpty() && !actions().at(i)->menu()->actions().at(0)->data().isNull()
                 && actions().at(i)->menu()->actions().at(0)->data().toUInt() == (uint)scri) {
                 d->currentSubAction = actions().at(i)->menu()->actions().at(0);
                 d->currentSubAction->trigger();
                 return true;
             }
         }
     }
     return false;
 }
 #endif
 
 #include "moc_kcodecaction.cpp"