擅长:python、mysql、java
<p>对我来说,这似乎是一个非常难看的解决方案(希望有人能提出更好的解决方案):</p>
<pre><code>import Tkinter as tk
root=tk.Tk()
f=tk.Frame(root,width=100,height=300)
f.grid_propagate(False)
f.grid(row=0,column=0)
def resize(evt):
f.update_idletasks()
height=f.winfo_reqheight()
f.grid_propagate(False)
if(evt.width!=100) or (evt.height!=height):
f.configure(width=100,height=height)
print "HERE", evt.width,height
f.bind('<Configure>',resize)
#Just some stupid (ugly) code to update the size of the widget at runtime.
def add_label():
f.grid_propagate(True)
lbl=tk.Label(f,text=' %d Hello!'%(add_label.row))
lbl.grid(column=0,row=add_label.row)
add_label.row+=1
add_label.row=0
b=tk.Button(root,text="Add label",command=add_label)
b.grid(row=1,column=0)
root.mainloop()
</code></pre>