如何在tkinter中左對齊按鈕？

以下代碼

root = tk.Tk()
frame = ttk.Frame(root, padding=10)
frame.grid()

# Browse
tk.Text(frame, state="disabled", height=1).grid(column=0, row=0, columnspan=3, sticky="W", pady=5, ipadx=2, ipady=2)
ttk.Button(frame, text="Browse", command=None).grid(column=3, row=0, sticky="E")

# Selected files
tk.Text(frame, state="disabled").grid(column=0, row=1, columnspan=4, sticky="EW", pady=10)

# Options
ttk.Button(frame, text="SELECT", command=None).grid(column=0, row=2, sticky="W")
ttk.Button(frame, text="DELETE", command=None).grid(column=1, row=2, sticky="W")
ttk.Button(frame, text="Merge", command=None).grid(column=2, row=2, sticky="W")

ttk.Button(frame, text="Close", command=root.destroy).grid(column=3, row=2, sticky="E")

root.mainloop()

產生這個，

但我希望DELETE和MERGE按鈕左對齊，以便它們與SELECT按鈕在一起。我怎樣才能做到這一點？

uj5u.com熱心網友回復：

將按鈕放入新框架中，并將此框架放入原始框架中

buttons_frame = ttk.Frame(frame)
buttons_frame.grid(column=0, row=2, sticky="W")

ttk.Button(buttons_frame, text="SELECT", command=None).grid(column=0, row=2, sticky="W")
ttk.Button(buttons_frame, text="DELETE", command=None).grid(column=1, row=2, sticky="W")
ttk.Button(buttons_frame, text="Merge", command=None).grid(column=2, row=2, sticky="W")

順便提一句：

在buttons_frame你甚至可以使用.pack(side='left')代替grid()

完整代碼：

import tkinter as tk
import tkinter.ttk as ttk

root = tk.Tk()
frame = ttk.Frame(root, padding=10)
frame.grid()

# Browse
tk.Text(frame, state="disabled", height=1).grid(column=0, row=0, columnspan=3, sticky="W", pady=5, ipadx=2, ipady=2)
ttk.Button(frame, text="Browse", command=None).grid(column=3, row=0, sticky="E")

# Selected files
tk.Text(frame, state="disabled").grid(column=0, row=1, columnspan=4, sticky="EW", pady=10)

# Options
buttons_frame = ttk.Frame(frame)
buttons_frame.grid(column=0, row=2, sticky="W")
ttk.Button(buttons_frame, text="SELECT", command=None).grid(column=0, row=2, sticky="W")
ttk.Button(buttons_frame, text="DELETE", command=None).grid(column=1, row=2, sticky="W")
ttk.Button(buttons_frame, text="Merge", command=None).grid(column=2, row=2, sticky="W")

ttk.Button(frame, text="Close", command=root.destroy).grid(column=3, row=2, sticky="E")

root.mainloop()

編輯：

您還可以在Merge和之間添加 empy 列Close并分配weight=1給該列，以便它獲得所有空白空間。

它需要移動Browse，并Close于下一列，并提高columnspan在這兩個Text

import tkinter as tk
import tkinter.ttk as ttk

root = tk.Tk()
frame = ttk.Frame(root, padding=10)
frame.grid()

frame.columnconfigure(3, weight=1)  # column 3 will use all free space

# Browse
tk.Text(frame, state="disabled", height=1).grid(column=0, row=0, columnspan=4, sticky="W", pady=5, ipadx=2, ipady=2)
ttk.Button(frame, text="Browse", command=None).grid(column=4, row=0, sticky="E")

# Selected files
tk.Text(frame, state="disabled").grid(column=0, row=1, columnspan=5, sticky="EW", pady=10)

# Options
ttk.Button(frame, text="SELECT", command=None).grid(column=0, row=2, sticky="W")
ttk.Button(frame, text="DELETE", command=None).grid(column=1, row=2, sticky="W")
ttk.Button(frame, text="Merge", command=None).grid(column=2, row=2, sticky="W")

ttk.Button(frame, text="Close", command=root.destroy).grid(column=4, row=2, sticky="E")

root.mainloop()

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