Show player slots in the overview.

qt_ui/widgets/QLabeledWidget.py

@@ -1,4 +1,6 @@
 """A layout containing a widget with an associated label."""
+from typing import Optional
+
 from PySide2.QtCore import Qt
 from PySide2.QtWidgets import QHBoxLayout, QLabel, QWidget
 
@@ -10,8 +12,13 @@ class QLabeledWidget(QHBoxLayout):
     label is used to name the input.
     """
 
-    def __init__(self, text: str, widget: QWidget) -> None:
+    def __init__(self, text: str, widget: QWidget,
+                 tooltip: Optional[str]) -> None:
         super().__init__()
-        self.addWidget(QLabel(text))
+        label = QLabel(text)
+        self.addWidget(label)
         self.addStretch()
         self.addWidget(widget, alignment=Qt.AlignRight)
+        if tooltip is not None:
+            label.setToolTip(tooltip)
+            widget.setToolTip(tooltip)