Embedding in Tk example: be more layout manager agnostic.

jmehne · jmehne · commit 4910587fccaa · 2019-09-16T22:26:04.000+02:00
diff --git a/examples/user_interfaces/embedding_in_tk_sgskip.py b/examples/user_interfaces/embedding_in_tk_sgskip.py
@@ -26,7 +26,8 @@
 canvas = FigureCanvasTkAgg(fig, master=root)  # A tk.DrawingArea.
 canvas.draw()
 
-toolbar = NavigationToolbar2Tk(canvas, root)
+# pack_toolbar=False will make it easier to use a layout manager later on.
+toolbar = NavigationToolbar2Tk(canvas, root, pack_toolbar=False)
 toolbar.update()
 
 
@@ -44,6 +45,7 @@ def on_key_press(event):
 # The canvas is rather flexible in its size, so we pack it last which makes
 # sure the UI controls are displayed as long as possible.
 button.pack(side=tkinter.BOTTOM)
+toolbar.pack(side=tkinter.BOTTOM, fill=tkinter.X, expand=1)
 canvas.get_tk_widget().pack(side=tkinter.TOP, fill=tkinter.BOTH, expand=1)
 
 tkinter.mainloop()
