6 files changed, 17 insertions, 15 deletions
diff --git a/src/imports/platform/qquickplatformmenu_p.h b/src/imports/platform/qquickplatformmenu_p.h
index 7456c660..b5c23b61 100644
--- a/src/imports/platform/qquickplatformmenu_p.h
+++ b/src/imports/platform/qquickplatformmenu_p.h
@@ -209,5 +209,6 @@ private:
 QT_END_NAMESPACE
 
 QML_DECLARE_TYPE(QQuickPlatformMenu)
+Q_DECLARE_METATYPE(QPlatformMenu::MenuType)
 
 #endif // QQUICKPLATFORMMENU_P_H
diff --git a/src/imports/platform/qquickplatformstandardpaths_p.h b/src/imports/platform/qquickplatformstandardpaths_p.h
index c3d879b0..e2f4e11e 100644
--- a/src/imports/platform/qquickplatformstandardpaths_p.h
+++ b/src/imports/platform/qquickplatformstandardpaths_p.h
@@ -86,5 +86,7 @@ private:
 QT_END_NAMESPACE
 
 QML_DECLARE_TYPE(QQuickPlatformStandardPaths)
+Q_DECLARE_METATYPE(QStandardPaths::StandardLocation)
+Q_DECLARE_METATYPE(QStandardPaths::LocateOptions)
 
 #endif // QQUICKPLATFORMSTANDARDPATHS_P_H
diff --git a/src/imports/platform/qquickplatformsystemtrayicon_p.h b/src/imports/platform/qquickplatformsystemtrayicon_p.h
index 7aa07512..77a78f30 100644
--- a/src/imports/platform/qquickplatformsystemtrayicon_p.h
+++ b/src/imports/platform/qquickplatformsystemtrayicon_p.h
@@ -137,5 +137,7 @@ private:
 QT_END_NAMESPACE
 
 QML_DECLARE_TYPE(QQuickPlatformSystemTrayIcon)
+Q_DECLARE_METATYPE(QPlatformSystemTrayIcon::ActivationReason)
+Q_DECLARE_METATYPE(QPlatformSystemTrayIcon::MessageIcon)
 
 #endif // QQUICKPLATFORMSYSTEMTRAYICON_P_H
diff --git a/src/imports/platform/qtlabsplatformplugin.cpp b/src/imports/platform/qtlabsplatformplugin.cpp
index bcb9ac98..1eac7d80 100644
--- a/src/imports/platform/qtlabsplatformplugin.cpp
+++ b/src/imports/platform/qtlabsplatformplugin.cpp
@@ -56,9 +56,6 @@
 # include "qquickplatformsystemtrayicon_p.h"
 #endif
 
-Q_DECLARE_METATYPE(QStandardPaths::StandardLocation)
-Q_DECLARE_METATYPE(QStandardPaths::LocateOptions)
-
 static inline void initResources()
 {
 #ifdef QT_STATIC
@@ -102,6 +99,7 @@ void QtLabsPlatformPlugin::registerTypes(const char *uri)
     qmlRegisterType<QQuickPlatformMenuItem>(uri, 1, 0, "MenuItem");
     qmlRegisterType<QQuickPlatformMenuItemGroup>(uri, 1, 0, "MenuItemGroup");
     qmlRegisterType<QQuickPlatformMenuSeparator>(uri, 1, 0, "MenuSeparator");
+    qRegisterMetaType<QPlatformMenu::MenuType>();
 
     qmlRegisterUncreatableType<QPlatformDialogHelper>(uri, 1, 0, "StandardButton", QQuickPlatformDialog::tr("Cannot create an instance of StandardButton"));
     qmlRegisterSingletonType<QQuickPlatformStandardPaths>(uri, 1, 0, "StandardPaths", QQuickPlatformStandardPaths::create);
@@ -110,6 +108,8 @@ void QtLabsPlatformPlugin::registerTypes(const char *uri)
 
 #if QT_CONFIG(systemtrayicon)
     qmlRegisterType<QQuickPlatformSystemTrayIcon>(uri, 1, 0, "SystemTrayIcon");
+    qRegisterMetaType<QPlatformSystemTrayIcon::ActivationReason>();
+    qRegisterMetaType<QPlatformSystemTrayIcon::MessageIcon>();
 #endif
 }
 
diff --git a/src/quicktemplates2/qquickdialogbuttonbox.cpp b/src/quicktemplates2/qquickdialogbuttonbox.cpp
index b6a9d757..cd971139 100644
--- a/src/quicktemplates2/qquickdialogbuttonbox.cpp
+++ b/src/quicktemplates2/qquickdialogbuttonbox.cpp
@@ -197,13 +197,13 @@ static QRectF alignedRect(Qt::LayoutDirection direction, Qt::Alignment alignment
     qreal w = size.width();
     qreal h = size.height();
     if ((alignment & Qt::AlignVCenter) == Qt::AlignVCenter)
-        y += rectangle.size().height() / 2 - h / 2;
+        y += (rectangle.size().height() - h) / 2;
     else if ((alignment & Qt::AlignBottom) == Qt::AlignBottom)
         y += rectangle.size().height() - h;
     if ((alignment & Qt::AlignRight) == Qt::AlignRight)
         x += rectangle.size().width() - w;
     else if ((alignment & Qt::AlignHCenter) == Qt::AlignHCenter)
-        x += rectangle.size().width() / 2 - w / 2;
+        x += (rectangle.size().width() - w) / 2;
     return QRectF(x, y, w, h);
 }
 
@@ -213,15 +213,12 @@ void QQuickDialogButtonBoxPrivate::resizeContent()
     if (!contentItem)
         return;
 
-    const int halign = alignment & Qt::AlignHorizontal_Mask;
-    const int valign = alignment & Qt::AlignVertical_Mask;
-
-    const qreal cw = !halign ? q->availableWidth() : contentItem->implicitWidth();
-    const qreal ch = !valign ? q->availableHeight() : contentItem->implicitHeight();
-
     QRectF geometry = q->boundingRect().adjusted(q->leftPadding(), q->topPadding(), -q->rightPadding(), -q->bottomPadding());
-    if (halign || valign)
+    if (alignment != 0) {
+        qreal cw = (alignment & Qt::AlignHorizontal_Mask) == 0 ? q->availableWidth() : contentItem->implicitWidth();
+        qreal ch = (alignment & Qt::AlignVertical_Mask) == 0 ? q->availableHeight() : contentItem->implicitHeight();
         geometry = alignedRect(q->isMirrored() ? Qt::RightToLeft : Qt::LeftToRight, alignment, QSizeF(cw, ch), geometry);
+    }
 
     contentItem->setPosition(geometry.topLeft());
     contentItem->setSize(geometry.size());
diff --git a/src/quicktemplates2/qquickslider.cpp b/src/quicktemplates2/qquickslider.cpp
index 8628f981..b358663d 100644
--- a/src/quicktemplates2/qquickslider.cpp
+++ b/src/quicktemplates2/qquickslider.cpp
@@ -545,10 +545,10 @@ void QQuickSlider::setHandle(QQuickItem *handle)
 qreal QQuickSlider::valueAt(qreal position) const
 {
     Q_D(const QQuickSlider);
-    const qreal value = d->from + (d->to - d->from) * position;
+    const qreal value = (d->to - d->from) * position;
     if (qFuzzyIsNull(d->stepSize))
-        return value;
-    return qRound(value / d->stepSize) * d->stepSize;
+        return d->from + value;
+    return d->from + qRound(value / d->stepSize) * d->stepSize;
 }
 
 /*!