chore: silence some deprecation warnings in Qt 6.8 (#5529)

CHANGELOG.md

@@ -59,6 +59,7 @@
 - Dev: `FlagsEnum` is now `constexpr`. (#5510)
 - Dev: Documented and added tests to RTL handling. (#5473)
 - Dev: Refactored a few `#define`s into `const(expr)` and cleaned includes. (#5527)
+- Dev: Prepared for Qt 6.8 by addressing some deprecations. (#5529)
 
 ## 2.5.1
 

src/controllers/filters/lang/Types.hpp

@@ -72,22 +72,35 @@ QString possibleTypeToString(const PossibleType &possible);
 
 bool isList(const PossibleType &possibleType);
 
-inline bool variantIs(const QVariant &a, QMetaType::Type type)
+inline bool variantIs(const QVariant &a, int type)
 {
-    return static_cast<QMetaType::Type>(a.type()) == type;
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    return a.typeId() == type;
+#else
+    return a.type() == type;
+#endif
 }
 
-inline bool variantIsNot(const QVariant &a, QMetaType::Type type)
+inline bool variantIsNot(const QVariant &a, int type)
 {
-    return static_cast<QMetaType::Type>(a.type()) != type;
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    return a.typeId() != type;
+#else
+    return a.type() != type;
+#endif
 }
 
 inline bool convertVariantTypes(QVariant &a, QVariant &b, int type)
 {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    QMetaType ty(type);
+    return a.convert(ty) && b.convert(ty);
+#else
     return a.convert(type) && b.convert(type);
+#endif
 }
 
-inline bool variantTypesMatch(QVariant &a, QVariant &b, QMetaType::Type type)
+inline bool variantTypesMatch(QVariant &a, QVariant &b, int type)
 {
     return variantIs(a, type) && variantIs(b, type);
 }

src/controllers/filters/lang/expressions/BinaryOperation.cpp

@@ -56,9 +56,8 @@ QVariant BinaryOperation::execute(const ContextMap &context) const
     switch (this->op_)
     {
         case PLUS:
-            if (static_cast<QMetaType::Type>(left.type()) ==
+            if (variantIs(left, QMetaType::QString) &&
-                    QMetaType::QString &&
+                right.canConvert<QString>())
-                right.canConvert(QMetaType::QString))
             {
                 return left.toString().append(right.toString());
             }
@@ -143,14 +142,14 @@ QVariant BinaryOperation::execute(const ContextMap &context) const
             return false;
         case CONTAINS:
             if (variantIs(left, QMetaType::QStringList) &&
-                right.canConvert(QMetaType::QString))
+                right.canConvert<QString>())
             {
                 return left.toStringList().contains(right.toString(),
                                                     Qt::CaseInsensitive);
             }
 
             if (variantIs(left, QMetaType::QVariantMap) &&
-                right.canConvert(QMetaType::QString))
+                right.canConvert<QString>())
             {
                 return left.toMap().contains(right.toString());
             }
@@ -160,8 +159,7 @@ QVariant BinaryOperation::execute(const ContextMap &context) const
                 return left.toList().contains(right);
             }
 
-            if (left.canConvert(QMetaType::QString) &&
+            if (left.canConvert<QString>() && right.canConvert<QString>())
-                right.canConvert(QMetaType::QString))
             {
                 return left.toString().contains(right.toString(),
                                                 Qt::CaseInsensitive);
@@ -170,7 +168,7 @@ QVariant BinaryOperation::execute(const ContextMap &context) const
             return false;
         case STARTS_WITH:
             if (variantIs(left, QMetaType::QStringList) &&
-                right.canConvert(QMetaType::QString))
+                right.canConvert<QString>())
             {
                 auto list = left.toStringList();
                 return !list.isEmpty() &&
@@ -183,8 +181,7 @@ QVariant BinaryOperation::execute(const ContextMap &context) const
                 return left.toList().startsWith(right);
             }
 
-            if (left.canConvert(QMetaType::QString) &&
+            if (left.canConvert<QString>() && right.canConvert<QString>())
-                right.canConvert(QMetaType::QString))
             {
                 return left.toString().startsWith(right.toString(),
                                                   Qt::CaseInsensitive);
@@ -194,7 +191,7 @@ QVariant BinaryOperation::execute(const ContextMap &context) const
 
         case ENDS_WITH:
             if (variantIs(left, QMetaType::QStringList) &&
-                right.canConvert(QMetaType::QString))
+                right.canConvert<QString>())
             {
                 auto list = left.toStringList();
                 return !list.isEmpty() &&
@@ -207,8 +204,7 @@ QVariant BinaryOperation::execute(const ContextMap &context) const
                 return left.toList().endsWith(right);
             }
 
-            if (left.canConvert(QMetaType::QString) &&
+            if (left.canConvert<QString>() && right.canConvert<QString>())
-                right.canConvert(QMetaType::QString))
             {
                 return left.toString().endsWith(right.toString(),
                                                 Qt::CaseInsensitive);
@@ -216,14 +212,18 @@ QVariant BinaryOperation::execute(const ContextMap &context) const
 
             return false;
         case MATCH: {
-            if (!left.canConvert(QMetaType::QString))
+            if (!left.canConvert<QString>())
             {
                 return false;
             }
 
             auto matching = left.toString();
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+            switch (static_cast<QMetaType::Type>(right.typeId()))
+#else
             switch (static_cast<QMetaType::Type>(right.type()))
+#endif
             {
                 case QMetaType::QRegularExpression: {
                     return right.toRegularExpression()

src/providers/emoji/Emojis.cpp

@@ -28,7 +28,7 @@ void parseEmoji(const std::shared_ptr<EmojiData> &emojiData,
                 const rapidjson::Value &unparsedEmoji,
                 const QString &shortCode = {})
 {
-    std::vector<uint32_t> unicodeBytes{};
+    std::vector<char32_t> unicodeBytes{};
 
     struct {
         bool apple;
@@ -82,7 +82,7 @@ void parseEmoji(const std::shared_ptr<EmojiData> &emojiData,
     for (const QString &unicodeCharacter : unicodeCharacters)
     {
         bool ok{false};
-        unicodeBytes.push_back(QString(unicodeCharacter).toUInt(&ok, 16));
+        unicodeBytes.push_back(unicodeCharacter.toUInt(&ok, 16));
         if (!ok)
         {
             qCWarning(chatterinoEmoji)
@@ -92,14 +92,15 @@ void parseEmoji(const std::shared_ptr<EmojiData> &emojiData,
     }
 
     // We can safely do a narrowing static cast since unicodeBytes will never be a large number
-    emojiData->value = QString::fromUcs4(unicodeBytes.data(),
+    emojiData->value =
-                                         static_cast<int>(unicodeBytes.size()));
+        QString::fromUcs4(unicodeBytes.data(),
+                          static_cast<QString::size_type>(unicodeBytes.size()));
 
     if (!emojiData->nonQualifiedCode.isEmpty())
     {
         QStringList nonQualifiedCharacters =
             emojiData->nonQualifiedCode.toLower().split('-');
-        std::vector<uint32_t> nonQualifiedBytes{};
+        std::vector<char32_t> nonQualifiedBytes{};
         for (const QString &unicodeCharacter : nonQualifiedCharacters)
         {
             bool ok{false};
@@ -115,9 +116,9 @@ void parseEmoji(const std::shared_ptr<EmojiData> &emojiData,
         }
 
         // We can safely do a narrowing static cast since unicodeBytes will never be a large number
-        emojiData->nonQualified =
+        emojiData->nonQualified = QString::fromUcs4(
-            QString::fromUcs4(nonQualifiedBytes.data(),
+            nonQualifiedBytes.data(),
-                              static_cast<int>(nonQualifiedBytes.size()));
+            static_cast<QString::size_type>(nonQualifiedBytes.size()));
     }
 }
 

src/providers/twitch/TwitchAccount.cpp

@@ -232,7 +232,7 @@ void TwitchAccount::loadUserstateEmotes(std::weak_ptr<Channel> weakChannel)
     }
 
     // filter out emote sets from userstate message, which are not in fetched emote set list
-    for (const auto &emoteSetKey : qAsConst(this->userstateEmoteSets_))
+    for (const auto &emoteSetKey : this->userstateEmoteSets_)
     {
         if (!existingEmoteSetKeys.contains(emoteSetKey))
         {

src/providers/twitch/TwitchMessageBuilder.cpp

@@ -1185,7 +1185,11 @@ void TwitchMessageBuilder::processIgnorePhrases(
             QRegularExpression emoteregex(
                 "\\b" + emote.name.string + "\\b",
                 QRegularExpression::UseUnicodePropertiesOption);
+#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
+            auto match = emoteregex.matchView(midExtendedRef);
+#else
             auto match = emoteregex.match(midExtendedRef);
+#endif
             if (match.hasMatch())
             {
                 emote.start = static_cast<int>(from + match.capturedStart());

src/providers/twitch/api/Helix.hpp

@@ -11,6 +11,7 @@
 #include <QJsonObject>
 #include <QString>
 #include <QStringList>
+#include <QTimeZone>
 #include <QUrl>
 #include <QUrlQuery>
 
@@ -722,7 +723,7 @@ struct HelixShieldModeStatus {
         , lastActivatedAt(QDateTime::fromString(
               json["last_activated_at"].toString(), Qt::ISODate))
     {
-        this->lastActivatedAt.setTimeSpec(Qt::UTC);
+        this->lastActivatedAt.setTimeZone(QTimeZone::utc());
     }
 };
 

src/util/IrcHelpers.hpp

@@ -2,6 +2,7 @@
 
 #include <IrcMessage>
 #include <QString>
+#include <QTimeZone>
 
 namespace chatterino {
 
@@ -88,7 +89,7 @@ inline QDateTime calculateMessageTime(const Communi::IrcMessage *message)
         QString timedate = message->tags().value("time").toString();
 
         auto date = QDateTime::fromString(timedate, Qt::ISODate);
-        date.setTimeSpec(Qt::TimeSpec::UTC);
+        date.setTimeZone(QTimeZone::utc());
         return date.toLocalTime();
     }
 

src/widgets/helper/color/ColorItemDelegate.cpp

@@ -15,7 +15,11 @@ void ColorItemDelegate::paint(QPainter *painter,
 {
     auto data = index.data(Qt::DecorationRole);
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    if (data.typeId() != QMetaType::QColor)
+#else
     if (data.type() != QVariant::Color)
+#endif
     {
         return QStyledItemDelegate::paint(painter, option, index);
     }