Fix more compilation issues with Qt6

Various Windows related issues and issues with additional QML designer
components.
Don't use very generic template definitions if the type has to provide
not so generic base functionality (in this case providing a stream
operator for QDataStream).

Task-number: QTCREATORBUG-24098
Change-Id: Id0729c249d1b81e4e939fdaeb2e02b8a64e7e8f9
Reviewed-by: Cristian Adam <cristian.adam@qt.io>

src/plugins/cpptools/symbolfinder.h

@@ -30,6 +30,7 @@
 #include "cppfileiterationorder.h"
 
 #include <QHash>
+#include <QSet>
 #include <QStringList>
 
 #include <set>

src/plugins/debugger/procinterrupt.cpp

@@ -145,10 +145,12 @@ GDB 32bit | Api             | Api             | NA              | Win32
                     ? QCoreApplication::applicationDirPath() + "/win32interrupt.exe"
                     : QCoreApplication::applicationDirPath() + "/win64interrupt.exe";
             if (!QFile::exists(executable)) {
-                *errorMessage = QString::fromLatin1("%1 does not exist. If you have built %2 "
-                                                    "on your own, checkout "
-                                                    "https://code.qt.io/cgit/qt-creator/binary-artifacts.git/.").
-                        arg(QDir::toNativeSeparators(executable), Core::Constants::IDE_DISPLAY_NAME);
+                *errorMessage = QString::fromLatin1(
+                                    "%1 does not exist. If you have built %2 "
+                                    "on your own, checkout "
+                                    "https://code.qt.io/cgit/qt-creator/binary-artifacts.git/.")
+                                    .arg(QDir::toNativeSeparators(executable),
+                                         QString(Core::Constants::IDE_DISPLAY_NAME));
                 break;
             }
             switch (QProcess::execute(executable, QStringList(QString::number(pID)))) {

src/plugins/projectexplorer/devicesupport/desktopprocesssignaloperation.cpp

@@ -181,11 +181,12 @@ GDB 32bit | Api             | Api             | N/A             | Win32
                     ? QLatin1String("/win32interrupt.exe")
                     : QLatin1String("/win64interrupt.exe");
             if (!QFile::exists(executable)) {
-                appendMsgCannotInterrupt(pid, tr( "%1 does not exist. If you built %2 "
-                                                  "yourself, check out https://code.qt.io/cgit/"
-                                                  "qt-creator/binary-artifacts.git/.").
-                                         arg(QDir::toNativeSeparators(executable),
-                                             Core::Constants::IDE_DISPLAY_NAME));
+                appendMsgCannotInterrupt(pid,
+                                         tr("%1 does not exist. If you built %2 "
+                                            "yourself, check out https://code.qt.io/cgit/"
+                                            "qt-creator/binary-artifacts.git/.")
+                                             .arg(QDir::toNativeSeparators(executable),
+                                                  QString(Core::Constants::IDE_DISPLAY_NAME)));
             }
             switch (QProcess::execute(executable, QStringList(QString::number(pid)))) {
             case -2:

src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetimporter.cpp

@@ -265,11 +265,11 @@ void ItemLibraryAssetImporter::parseQuick3DAsset(const QString &file, const QVar
             if (!currentChar.isLetter() && !currentChar.isDigit())
                 currentChar = QLatin1Char('_');
         }
-        QCharRef firstChar = assetName[0];
+        const QChar firstChar = assetName[0];
         if (firstChar.isDigit())
-            firstChar = QLatin1Char('_');
+            assetName[0] = QLatin1Char('_');
         if (firstChar.isLower())
-            firstChar = firstChar.toUpper();
+            assetName[0] = firstChar.toUpper();
     }
 
     QString targetDirPath = targetDir.filePath(assetName);
@@ -378,9 +378,9 @@ void ItemLibraryAssetImporter::parseQuick3DAsset(const QString &file, const QVar
                                 QFile file(outDir.path() + '/' + fi.baseName() + ".hints");
                                 file.open(QIODevice::WriteOnly | QIODevice::Text);
                                 QTextStream out(&file);
-                                out << "visibleInNavigator: true" << endl;
-                                out << "canBeDroppedInFormEditor: false" << endl;
-                                out << "canBeDroppedInView3D: true" << endl;
+                                out << "visibleInNavigator: true" << Qt::endl;
+                                out << "canBeDroppedInFormEditor: false" << Qt::endl;
+                                out << "canBeDroppedInView3D: true" << Qt::endl;
                                 file.close();
                             }
                             QString outIconSource = QString::fromUtf8(content);

src/plugins/qmldesigner/components/timelineeditor/easingcurve.cpp

@@ -435,6 +435,31 @@ QDebug &operator<<(QDebug &stream, const EasingCurve &curve)
     return stream;
 }
 
+QDataStream &operator<<(QDataStream &stream, const std::vector<int> &vec)
+{
+    stream << static_cast<quint64>(vec.size());
+    for (const auto &elem : vec)
+        stream << elem;
+
+    return stream;
+}
+
+QDataStream &operator>>(QDataStream &stream, std::vector<int> &vec)
+{
+    quint64 s;
+    stream >> s;
+
+    vec.clear();
+    vec.reserve(s);
+
+    int val;
+    for (quint64 i = 0; i < s; ++i) {
+        stream >> val;
+        vec.push_back(val);
+    }
+    return stream;
+}
+
 QDataStream &operator<<(QDataStream &stream, const EasingCurve &curve)
 {
     // Ignore the active flag.

src/plugins/qmldesigner/components/timelineeditor/timelineutils.h

@@ -81,48 +81,4 @@ public:
 
 } // End namespace TimelineUtils.
 
-template<typename T>
-inline std::istream &operator>>(std::istream &stream, std::vector<T> &vec)
-{
-    quint64 s;
-    stream >> s;
-
-    vec.clear();
-    vec.reserve(s);
-
-    T val;
-    for (quint64 i = 0; i < s; ++i) {
-        stream >> val;
-        vec.push_back(val);
-    }
-    return stream;
-}
-
-template<typename T>
-inline QDataStream &operator<<(QDataStream &stream, const std::vector<T> &vec)
-{
-    stream << static_cast<quint64>(vec.size());
-    for (const auto &elem : vec)
-        stream << elem;
-
-    return stream;
-}
-
-template<typename T>
-inline QDataStream &operator>>(QDataStream &stream, std::vector<T> &vec)
-{
-    quint64 s;
-    stream >> s;
-
-    vec.clear();
-    vec.reserve(s);
-
-    T val;
-    for (quint64 i = 0; i < s; ++i) {
-        stream >> val;
-        vec.push_back(val);
-    }
-    return stream;
-}
-
 } // namespace QmlDesigner