Forward region and timezone properties needed for opening hours

This should complete the API needed to integrate opening hours into map
styling.

src/map-quick/IndoorMap.qml

@@ -27,6 +27,10 @@ Item {
     property alias mapData: map.mapData
     /** Access to overlay sources. */
     property alias overlaySources: map.overlaySources
+    /** ISO 3166-1/2 country or region code for opening hours interpretation. */
+    property alias region: map.region
+    /** IANA timezone id for opening hours interpretation. */
+    property alias timeZone: map.timeZone
 
     /** Emitted when a map element has been picked by clicking/tapping on it. */
     signal elementPicked(var element);

src/map-quick/mapitem.cpp

@@ -16,6 +16,7 @@
 #include <QPalette>
 #include <QQuickWindow>
 #include <QStandardPaths>
+#include <QTimeZone>
 
 using namespace KOSMIndoorMap;
 
@@ -135,7 +136,10 @@ void MapItem::loaderDone()
     m_sg.clear();
 
     if (!m_loader->hasError()) {
-        m_data = m_loader->takeData();
+        auto data = m_loader->takeData();
+        data.setRegionCode(m_data.regionCode());
+        data.setTimeZone(m_data.timeZone());
+        m_data = std::move(data);
         m_view->setSceneBoundingBox(m_data.boundingBox());
         m_controller.setMapData(m_data);
         m_style.compile(m_data.dataSet());
@@ -232,3 +236,34 @@ void MapItem::addOverlaySource(std::vector<OverlaySource> &overlaySources, const
         qWarning() << "unsupported overlay source:" << source << obj;
     }
 }
+
+QString MapItem::region() const
+{
+    return m_data.regionCode();
+}
+
+void MapItem::setRegion(const QString &region)
+{
+    if (m_data.regionCode() == region) {
+        return;
+    }
+
+    m_data.setRegionCode(region);
+    emit regionChanged();
+}
+
+QString MapItem::timeZoneId() const
+{
+    return QString::fromUtf8(m_data.timeZone().id());
+}
+
+void MapItem::setTimeZoneId(const QString &tz)
+{
+    const auto tzId = tz.toUtf8();
+    if (m_data.timeZone().id() == tzId) {
+        return;
+    }
+
+    m_data.setTimeZone(QTimeZone(tzId));
+    emit timeZoneChanged();
+}

src/map-quick/mapitem.h

@@ -44,6 +44,17 @@ class MapItem : public QQuickPaintedItem
 
     /** Sources for overlays that should be rendered on top of the map. */
     Q_PROPERTY(QVariant overlaySources READ overlaySources WRITE setOverlaySources NOTIFY overlaySourcesChanged)
+
+    /** ISO 3166-1/2 country or region code this map area is in.
+     *  Used for interpreting opening hours expressions.
+     */
+    Q_PROPERTY(QString region READ region WRITE setRegion NOTIFY regionChanged)
+
+    /** IANA timezone id of the timezone this map area is in.
+     *  Used for interpreting opening hours expressions.
+     */
+    Q_PROPERTY(QString timeZone READ timeZoneId WRITE setTimeZoneId NOTIFY timeZoneChanged)
+
 public:
     explicit MapItem(QQuickItem *parent = nullptr);
     ~MapItem();
@@ -63,12 +74,19 @@ public:
     bool hasError() const;
     QString errorMessage() const;
 
+    QString region() const;
+    void setRegion(const QString &region);
+    QString timeZoneId() const;
+    void setTimeZoneId(const QString &tz);
+
 Q_SIGNALS:
     void mapDataChanged();
     void styleSheetChanged();
     void currentFloorLevelChanged();
     void errorChanged();
     void overlaySourcesChanged();
+    void regionChanged();
+    void timeZoneChanged();
 
 protected:
     void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override;

tests/indoormap.qml

@@ -212,6 +212,8 @@ Kirigami.ApplicationWindow {
         }
 
         map.overlaySources: [ gateModel, platformModel, locationModel ]
+        map.region: "DE"
+        map.timeZone: "Europe/Berlin"
 
         header: RowLayout {
             QQC2.Label { text: "Floor Level:" }