Merge branch 'qt6_fixes' into 'master'

Do not use reprecated Qt API where we can avoid it

See merge request OpenMW/openmw!2621

apps/launcher/maindialog.cpp

@@ -7,6 +7,7 @@
 #include <QDebug>
 #include <QDir>
 #include <QMessageBox>
+#include <QStringList>
 #include <QTime>
 
 #include <boost/program_options/options_description.hpp>

apps/launcher/maindialog.hpp

@@ -14,7 +14,6 @@
 
 class QListWidgetItem;
 class QStackedWidget;
-class QStringList;
 class QStringListModel;
 class QString;
 

apps/opencs/view/widget/colorpickerpopup.cpp

@@ -46,7 +46,7 @@ void CSVWidget::ColorPickerPopup::mousePressEvent(QMouseEvent* event)
     if (button != nullptr)
     {
         QStyleOptionButton option;
-        option.init(button);
+        option.initFrom(button);
         QRect buttonRect = option.rect;
         buttonRect.moveTo(button->mapToGlobal(buttonRect.topLeft()));
 

apps/opencs/view/widget/completerpopup.cpp

@@ -22,7 +22,12 @@ int CSVWidget::CompleterPopup::sizeHintForRow(int row) const
 
     ensurePolished();
     QModelIndex index = model()->index(row, modelColumn());
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    QStyleOptionViewItem option;
+    initViewItemOption(&option);
+#else
     QStyleOptionViewItem option = viewOptions();
+#endif
     QAbstractItemDelegate* delegate = itemDelegate(index);
     return delegate->sizeHint(option, index).height();
 }

apps/opencs/view/world/tablesubview.cpp

@@ -2,12 +2,12 @@
 
 #include <QApplication>
 #include <QCheckBox>
-#include <QDesktopWidget>
 #include <QDropEvent>
 #include <QEvent>
 #include <QHBoxLayout>
 #include <QHeaderView>
 #include <QPushButton>
+#include <QScreen>
 #include <QVBoxLayout>
 
 #include <algorithm>
@@ -76,7 +76,7 @@ CSVWorld::TableSubView::TableSubView(
 
     setWidget(widget);
     // prefer height of the screen and full width of the table
-    const QRect rect = QApplication::desktop()->screenGeometry(this);
+    const QRect rect = QApplication::screenAt(pos())->geometry();
     int frameHeight = 40; // set a reasonable default
     QWidget* topLevel = QApplication::topLevelAt(pos());
     if (topLevel)

apps/opencs/view/world/util.cpp

@@ -364,7 +364,11 @@ void CSVWorld::CommandDelegate::setEditorData(QWidget* editor, const QModelIndex
     if (!n.isEmpty())
     {
         if (!variant.isValid())
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+            variant = QVariant(editor->property(n).metaType(), (const void*)nullptr);
+#else
             variant = QVariant(editor->property(n).userType(), (const void*)nullptr);
+#endif
         editor->setProperty(n, variant);
     }
 }

components/config/gamesettings.cpp

@@ -165,12 +165,10 @@ bool Config::GameSettings::readFile(QTextStream& stream, QMultiMap<QString, QStr
 bool Config::GameSettings::writeFile(QTextStream& stream)
 {
     // Iterate in reverse order to preserve insertion order
-    QMapIterator<QString, QString> i(mUserSettings);
+    auto i = mUserSettings.end();
-    i.toBack();
+    while (i != mUserSettings.begin())
-
-    while (i.hasPrevious())
     {
-        i.previous();
+        i--;
 
         // path lines (e.g. 'data=...') need quotes and ampersands escaping to match how boost::filesystem::path uses
         // boost::io::quoted
@@ -388,12 +386,10 @@ bool Config::GameSettings::writeFileWithComments(QFile& file)
 
     // Iterate in reverse order to preserve insertion order
     QString settingLine;
-    QMapIterator<QString, QString> it(mUserSettings);
+    auto it = mUserSettings.end();
-    it.toBack();
+    while (it != mUserSettings.begin())
-
-    while (it.hasPrevious())
     {
-        it.previous();
+        it--;
 
         if (it.key() == QLatin1String("data") || it.key() == QLatin1String("data-local")
             || it.key() == QLatin1String("resources") || it.key() == QLatin1String("load-savegame"))

components/config/launchersettings.cpp

@@ -50,12 +50,10 @@ bool Config::LauncherSettings::writeFile(QTextStream& stream)
     QRegularExpression sectionRe("^([^/]+)/(.+)$");
     QMultiMap<QString, QString> settings = SettingsBase::getSettings();
 
-    QMapIterator<QString, QString> i(settings);
+    auto i = settings.end();
-    i.toBack();
+    while (i != settings.begin())
-
-    while (i.hasPrevious())
     {
-        i.previous();
+        i--;
 
         QString prefix;
         QString key;

components/contentselector/model/contentmodel.cpp

@@ -192,12 +192,12 @@ QVariant ContentSelectorModel::ContentModel::data(const QModelIndex& index, int
             {
                 case 0:
                 case 1:
-                    return Qt::AlignLeft + Qt::AlignVCenter;
+                    return QVariant(Qt::AlignLeft | Qt::AlignVCenter);
                 case 2:
                 case 3:
-                    return Qt::AlignRight + Qt::AlignVCenter;
+                    return QVariant(Qt::AlignRight | Qt::AlignVCenter);
                 default:
-                    return Qt::AlignLeft + Qt::AlignVCenter;
+                    return QVariant(Qt::AlignLeft | Qt::AlignVCenter);
             }
         }
 

components/contentselector/model/esmfile.cpp

@@ -1,6 +1,7 @@
 #include "esmfile.hpp"
 
 #include <QDataStream>
+#include <QIODevice>
 
 int ContentSelectorModel::EsmFile::sPropertyCount = 7;
 QString ContentSelectorModel::EsmFile::sToolTip = QString(