override FigureCanvasTk start_event_loop and stop_event_loop

richardsheridan · richardsheridan · commit 630e806ef7df · 2020-08-08T15:47:37.000-04:00
tkinter has a perfectly good event loop written in C
diff --git a/lib/matplotlib/backends/_backend_tk.py b/lib/matplotlib/backends/_backend_tk.py
@@ -381,6 +381,16 @@ def flush_events(self):
         # docstring inherited
         self._master.update()
 
+    def start_event_loop(self, timeout=0):
+        # docstring inherited
+        if timeout > 0:
+            self._master.after(timeout, self.stop_event_loop)
+        self._master.mainloop()
+
+    def stop_event_loop(self):
+        # docstring inherited
+        self._master.quit()
+
 
 class FigureManagerTk(FigureManagerBase):
     """
