src/gui_qt/data/datawidget/datawidget.py

@@ -613,15 +613,23 @@ class DataWidget(QtWidgets.QWidget, Ui_DataWidget):
         self.proptable.populate(props)
 
     def change_property(self, key1, key2, value):
-        ids = [item.data(0, QtCore.Qt.ItemDataRole.UserRole) for item in self.tree.selectedItems()]
         if key2 == 'Value':
             try:
                 value = float(value)
             except ValueError:
-                QtWidgets.QMessageBox.warning(self, 'Invalid entry',
-                                              'Value %r is not a valid number for `value`.' % value)
+                QtWidgets.QMessageBox.warning(
+                    self,
+                    'Invalid entry',
+                    f'Value {value!r} is not a valid number for `value`.')
                 return
 
+            ids = []
+            for item in self.tree.selectedItems():
+                ids.append(item.data(0, QtCore.Qt.ItemDataRole.UserRole))
+                item.setToolTip(0, str(value))
+        else:
+            ids = [item.data(0, QtCore.Qt.ItemDataRole.UserRole) for item in self.tree.selectedItems()]
+
         self.propertyChanged.emit(ids, key1, key2, value)
 
     def uncheck_sets(self, sets: list[str]):

src/gui_qt/data/datawidget/properties.py

@@ -41,7 +41,7 @@ class PropWidget(QtWidgets.QWidget):
         idx = table.indexFromItem(item)
         self.propertyChanged.emit(self.tab.tabText(tab_idx),
                                   table.item(idx.row(), idx.column()-1).text(),
-                                  item.data(QtCore.Qt.DisplayRole))
+                                  item.data(QtCore.Qt.ItemDataRole.DisplayRole))
 
     @QtCore.pyqtSlot(int)
     def tab_change(self, idx: int):
@@ -66,10 +66,10 @@ class PropTable(QtWidgets.QTableWidget):
         self.blockSignals(True)
         for k, v in prop.items():
             value_item = QtWidgets.QTableWidgetItem('')
-            value_item.setData(QtCore.Qt.DisplayRole, v)
+            value_item.setData(QtCore.Qt.ItemDataRoleDisplayRole, v)
 
             key_item = QtWidgets.QTableWidgetItem(k)
-            key_item.setFlags(QtCore.Qt.NoItemFlags)
+            key_item.setFlags(QtCore.Qt.ItemDataRole.NoItemFlags)
             key_item.setForeground(QtGui.QBrush(QtGui.QColor(0, 0, 0)))
 
             self.setRowCount(self.rowCount()+1)