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Embedding in Tk example: Fix toolbar being clipped. #15266

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Merged
merged 1 commit into from
Sep 15, 2019
Merged

Embedding in Tk example: Fix toolbar being clipped. #15266

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8 changes: 6 additions & 2 deletions examples/user_interfaces/embedding_in_tk_sgskip.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,11 +25,9 @@

canvas = FigureCanvasTkAgg(fig, master=root) # A tk.DrawingArea.
canvas.draw()
canvas.get_tk_widget().pack(side=tkinter.TOP, fill=tkinter.BOTH, expand=1)

toolbar = NavigationToolbar2Tk(canvas, root)
toolbar.update()
canvas.get_tk_widget().pack(side=tkinter.TOP, fill=tkinter.BOTH, expand=1)


def on_key_press(event):
Expand All @@ -40,6 +38,12 @@ def on_key_press(event):
canvas.mpl_connect("key_press_event", on_key_press)

button = tkinter.Button(master=root, text="Quit", command=root.quit)

# Packing order is important. Widgets are processed sequentially and if there
# is no space left, because the window is too small, they are not displayed.
# 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)
canvas.get_tk_widget().pack(side=tkinter.TOP, fill=tkinter.BOTH, expand=1)

tkinter.mainloop()