Fix system tray tooltip

qml/main.qml

@@ -16,7 +16,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
- 
+
 import QtQuick 2.12
 import QtQuick.Layouts 1.12
 import QtQuick.Controls 2.12
@@ -109,7 +109,7 @@ Item {
                     width: rootItem.iconSize
                     height: rootItem.iconSize
                     sourceSize: Qt.size(rootItem.iconSize,
-                                        rootItem.iconSize)                    
+                                        rootItem.iconSize)
                     source: acticity.icon ? "image://icontheme/" + acticity.icon : ""
                     visible: status === Image.Ready
                     antialiasing: true

src/systemtray/statusnotifieritemsource.cpp

@@ -255,11 +255,7 @@ void StatusNotifierItemSource::refreshCallback(QDBusPendingCallWatcher *call)
         KDbusToolTipStruct toolTip;
         properties[QStringLiteral("ToolTip")].value<QDBusArgument>() >> toolTip;
         m_tooltip = toolTip.title;
-
-        // Use ID as an alternative :)
-        if (m_tooltip.isEmpty() && m_title.isEmpty()) {
-            m_tooltip = properties[QStringLiteral("Id")].toString();
-        }
+        m_subTitle = toolTip.subTitle;
 
         // Icon
         KDbusImageVector image;

src/systemtray/systemtraymodel.cpp

@@ -197,6 +197,6 @@ void SystemTrayModel::updated(StatusNotifierItemSource *item)
 
     // update
     if (idx != -1) {
-        dataChanged(index(idx, 0), index(idx, 0));
+        emit dataChanged(index(idx, 0), index(idx, 0));
     }
 }