x axis change

src/bedit_gui/commands/simulation_plot_commands.py

@@ -77,3 +77,21 @@ class ChangeSimulationPlotSignalsCommand(QUndoCommand):
     def undo(self) -> None:
         self.root.plot_tabs[self.index].signals = list(self.old_signals)
         self.changed(self.index)
+
+
+class ChangeSimulationPlotXAxisCommand(QUndoCommand):
+    def __init__(self, root: SimulationRoot, index: int, x_axis: str | None, changed: ChangedCallback) -> None:
+        super().__init__("Change plot x axis")
+        self.root = root
+        self.index = index
+        self.old_x_axis = root.plot_tabs[index].x_axis
+        self.x_axis = x_axis
+        self.changed = changed
+
+    def redo(self) -> None:
+        self.root.plot_tabs[self.index].x_axis = self.x_axis
+        self.changed(self.index)
+
+    def undo(self) -> None:
+        self.root.plot_tabs[self.index].x_axis = self.old_x_axis
+        self.changed(self.index)