Add set_cursor method to FigureCanvasTk

Author: daniilS

lib/matplotlib/backends/_backend_tk.py

@@ -387,6 +387,12 @@ def stop_event_loop(self):
             self._event_loop_id = None
         self._tkcanvas.quit()
 
+    def set_cursor(self, cursor):
+        try:
+            self._tkcanvas.configure(cursor=cursord[cursor])
+        except tkinter.TclError:
+            pass
+
 
 class FigureManagerTk(FigureManagerBase):
     """
@@ -629,13 +635,6 @@ def remove_rubberband(self):
     lastrect = _api.deprecated("3.6")(
         property(lambda self: self.canvas._rubberband_rect))
 
-    def set_cursor(self, cursor):
-        window = self.canvas.get_tk_widget().master
-        try:
-            window.configure(cursor=cursord[cursor])
-        except tkinter.TclError:
-            pass
-
     def _set_image_for_button(self, button):
         """
         Set the image for a button based on its pixel size.