tkinter 使用主窗口调整框架和内容的大小 [英] tkinter resize frame and contents with main window

问题描述

我正在研究如何控制包含框架的窗口的大小调整.在代码中，我在顶部有三个按钮，它们应该保持原样.

I am trying to work out how to control resizing of the window containing a frame. In the code I have three buttons across the top that should to stay exactly where they are.

当我拖动窗口以展开它时，我希望框架和它包含的文本框随主窗口一起展开.我读过 columnconfigure 和 rowconfigure 可以使用，但不确定如何实现它.

When I drag the window to expand it, I want the frame and the text box it contains to expand with the master window. I have read that columnconfigure and rowconfigure can be used but not sure how to implement it.

from tkinter import *
from tkinter import scrolledtext

master_window = Tk()

# Create the buttons
btn_Image = Button(master_window, text='Image')
btn_Image.grid(row=1, column=1, padx=(10), pady=10, sticky=E + W)

btn_File = Button(master_window, text='File')
btn_File.grid(row=1, column=2, padx=(10), pady=10, sticky=E + W)

btn_Folder = Button(master_window, text='Folder')
btn_Folder.grid(row=1, column=3, padx=(10), pady=10, sticky=E + W)

# Group1 Frame ----------------------------------------------------
group1 = LabelFrame(master_window, text="Text Box", padx=5, pady=5)
group1.grid(row=2, column=1, columnspan=3, padx=10, pady=10, sticky=E+W+N+S)

# Create the textbox
txtbox = scrolledtext.ScrolledText(group1, width=40, height=10)
txtbox.grid(row=1, column=1,  columnspan=3, sticky=E+W+N+S)

mainloop()

推荐答案

grid() 布局管理器的行列号从0开始，不是从1开始(没有错的开始将元素放在任何你想要的地方，我只是提到这一点，因为你的代码给我的印象是你认为单元格从 1 开始，而不是从 0 开始).因为我不明白为什么在 row=1 和 column=1 处开始放置小部件，所以在下面的解决方案中，我开始放置在 0 索引处.

The row and column numbers of the grid() layout manager start from 0, not from 1 (there is nothing wrong to start placing the elements wherever you want though, I just mention this because your code gives me the impression you think the cells start at 1, not at 0). Because I do not see the reason why to start placing the widgets at row=1 and column=1, in my solution below, I start placing at the 0 index.

我建议您为问题中的 3 个按钮创建一个不同的容器 - 父小部件(让我们说一个 tkinter.Frame()).

I suggest you to create a different container -parent widget- for the 3 buttons in questions (let us say a tkinter.Frame()).

代码如下:

from tkinter import *
from tkinter import scrolledtext

master_window = Tk()

# Parent widget for the buttons
buttons_frame = Frame(master_window)
buttons_frame.grid(row=0, column=0, sticky=W+E)    

btn_Image = Button(buttons_frame, text='Image')
btn_Image.grid(row=0, column=0, padx=(10), pady=10)

btn_File = Button(buttons_frame, text='File')
btn_File.grid(row=0, column=1, padx=(10), pady=10)

btn_Folder = Button(buttons_frame, text='Folder')
btn_Folder.grid(row=0, column=2, padx=(10), pady=10)

# Group1 Frame ----------------------------------------------------
group1 = LabelFrame(master_window, text="Text Box", padx=5, pady=5)
group1.grid(row=1, column=0, columnspan=3, padx=10, pady=10, sticky=E+W+N+S)

master_window.columnconfigure(0, weight=1)
master_window.rowconfigure(1, weight=1)

group1.rowconfigure(0, weight=1)
group1.columnconfigure(0, weight=1)

# Create the textbox
txtbox = scrolledtext.ScrolledText(group1, width=40, height=10)
txtbox.grid(row=0, column=0,   sticky=E+W+N+S)

mainloop()

演示:

未拉伸时:

平均拉伸:

最大拉伸后:

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