[英]How to only allow the top frame verticaly stretch
I try to adopt Tkinter, treeview doesn't resize with window , with verry little modification.我尝试采用Tkinter,treeview 不会用 window 调整大小,修改很少。
import tkinter as tk
from tkinter import ttk
import random
class App():
def __init__(self):
self.root = tk.Tk()
self.frame = tk.Frame(self.root)
self.frame.pack(expand=True, fill=tk.BOTH)
self.tree = ttk.Treeview(self.frame, show="headings")
self.tree.pack(expand=True, )
self.frameBT = tk.LabelFrame(self.root,text='Buttons')
self.frameBT.pack(expand=True, fill=tk.X)
self.button = ttk.Button(self.frameBT, text="Fill", command=self.fill)
self.button.pack(side=tk.BOTTOM,expand=True)
self.fill()
self.root.mainloop()
def fill(self):
if self.has_data():
self.tree.delete(*self.tree.get_children())
i = random.randrange(1,10)
self.tree["columns"]=tuple([str(i) for i in range(i)])
for col in self.tree['columns']:
self.tree.heading(col, text="Column {}".format(col), anchor=tk.CENTER)
self.tree.column(col, anchor=tk.CENTER)
j = random.randrange(10)
for j in range(j):
self.tree.insert("", "end", values = tuple([k for k in range(i)]))
def has_data(self):
has_tree = self.tree.get_children()
return True if has_tree else False
App()
Currently, when I stretch the window verticaly, I got目前,当我垂直拉伸 window 时,我得到了
My question is, how to keep that 'Button' at the verry bottom, while the bottom of treeview frame move up and down when I resize the main window.我的问题是,当我调整主 window 的大小时,如何将“按钮”保持在最底部,而 treeview 框架的底部会上下移动。
You need to:你需要:
self.tree
to fill all available space by setting fill=tk.BOTH
:fill=tk.BOTH
使self.tree
填充所有可用空间:self.tree.pack(expand=True, fill=tk.BOTH) # added fill=tk.BOTH
self.frameBT
by removing expand=True
:expand=True
禁用self.frameBT
的扩展:self.frameBT.pack(fill=tk.X) # removed expand=True
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