feat: hide leaderboard when no users

src/inventory_wars/gui/InventoryWars/IdleView.qml

@@ -79,8 +79,16 @@ Rectangle {
             }
         }
 
+        ColumnLayout {
+            Layout.fillHeight: true
+            Layout.fillWidth: true
+            spacing: -1
+
+            visible: leaderboard.hasRow
+
             Label {
                 Layout.alignment: Qt.AlignHCenter
+                padding: 10
 
                 font.pixelSize: UIStyle.fontSizeL
                 color: UIStyle.titletextColor
@@ -88,11 +96,6 @@ Rectangle {
                 text: "Leaderboard"
             }
 
-        ColumnLayout {
-            Layout.fillHeight: true
-            Layout.fillWidth: true
-            spacing: -1
-
             HorizontalHeaderView {
                 Layout.fillWidth: true
                 syncView: tableView

src/inventory_wars/gui/app.py

@@ -154,6 +154,8 @@ class GameService(QObject):
 
 @QmlElement
 class SqlLeaderboardModel(QSqlTableModel):
+    selected = Signal()
+
     def __init__(self, parent=None):
         super().__init__(parent)
 
@@ -164,6 +166,15 @@ class SqlLeaderboardModel(QSqlTableModel):
 
         self.select()
 
+    def select(self, /):
+        result = super().select()
+        self.selected.emit()
+        return result
+
+    @Property(bool, notify=selected)
+    def hasRow(self):
+        return self.rowCount() > 0
+
 
 def main():
     logging.basicConfig(level=logging.DEBUG)