Other: Override roleNames

This enables to use userModel inside Repeater and other model-based
components together with modelData attached property.

internal/frontend/qt/qml_users.go

@@ -15,6 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
+//go:build build_qt
 // +build build_qt
 
 package qt
@@ -51,6 +52,7 @@ func (um *QMLUserModel) init() {
 	defer um.access.Unlock()
 	um.SetCount(0)
 	um.ConnectRowCount(um.rowCount)
+	um.ConnectRoleNames(um.roleNames)
 	um.ConnectData(um.data)
 	um.ConnectGet(um.get)
 	um.ConnectCount(func() int {
@@ -62,6 +64,12 @@ func (um *QMLUserModel) init() {
 	um.userByID = map[string]*QMLUser{}
 }
 
+func (um *QMLUserModel) roleNames() map[int]*core.QByteArray {
+	return map[int]*core.QByteArray{
+		int(core.Qt__DisplayRole): core.NewQByteArray2("user", -1),
+	}
+}
+
 func (um *QMLUserModel) data(index *core.QModelIndex, property int) *core.QVariant {
 	if !index.IsValid() {
 		um.f.log.WithField("size", len(um.userIDs)).Info("Trying to get user by invalid index")