Fix graph signal names possibly being truncated after edit (#223)

Author: pylessard

scrutiny/gui/widgets/graph_signal_tree.py

@@ -17,7 +17,7 @@
 
 from dataclasses import dataclass
 
-from PySide6.QtWidgets import QWidget, QMenu
+from PySide6.QtWidgets import QAbstractItemDelegate, QWidget, QMenu
 from PySide6.QtGui import (QStandardItem, QDropEvent, QDragEnterEvent, QDragMoveEvent, QDragEnterEvent,
                            QDragMoveEvent, QContextMenuEvent, QAction, QKeyEvent, QPixmap, QPalette
                            )
@@ -598,6 +598,10 @@ def get_selected_axes(self, include_if_signal_is_selected: bool = True) -> List[
 
         return list(selected_axes.values())
 
+    def closeEditor(self, editor: QWidget, hint: QAbstractItemDelegate.EndEditHint) -> None:
+        self.resizeColumnToContents(0)
+        return super().closeEditor(editor, hint)
+
     def lock(self) -> None:
         self.setDragDropMode(self.DragDropMode.DragOnly)
         self._locked = True