Python 无法在内部使用几何管理器包
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Cannot use geometry manager pack inside
提问by user3623888
So I'm making an rss reader using the tkinter library, and in one of my methods I create a text widget. It displays fine until I try to add scrollbars to it.
所以我正在使用 tkinter 库制作一个 rss 阅读器，并且在我的一种方法中我创建了一个文本小部件。它显示正常，直到我尝试向其添加滚动条。
Here is my code before the scrollbars:
这是我在滚动条之前的代码：
def create_text(self, root):
self.textbox = Text(root, height = 10, width = 79, wrap = 'word')
self.textbox.grid(column = 0, row = 0)
Here is my code after:
这是我之后的代码：
def create_text(self, root):
self.textbox = Text(root, height = 10, width = 79, wrap = 'word')
vertscroll = ttk.Scrollbar(root)
vertscroll.config(command=self.textbox.yview)
vertscroll.pack(side="right", fill="y", expand=False)
self.textbox.config(yscrllcommand=vertscroll.set)
self.textbox.pack(side="left", fill="both", expand=True)
self.textbox.grid(column = 0, row = 0)
This gives me the error
这给了我错误
_tkinter.TclError: cannot use geometry manager pack inside .56155888 which already has slaves managed by grid on the line vertscroll.pack(side="right", fill="y", expand=False)
_tkinter.TclError：无法在 .56155888 中使用几何管理器包，该包已经在 vertscroll.pack(side="right", fill="y", expand=False) 行上由网格管理从属
Any ideas how to fix this?
任何想法如何解决这一问题？
采纳答案by unutbu
Per the docs, don't mix packand gridin the same master window:
根据docs，不要在同一个主窗口中混合pack和grid：
Warning: Never mix grid and pack in the same master window. Tkinter will happily spend the rest of your lifetime trying to negotiate a solution that both managers are happy with. Instead of waiting, kill the application, and take another look at your code. A common mistake is to use the wrong parent for some of the widgets.
警告：切勿在同一个主窗口中混合网格和包。Tkinter 会很高兴地用你的余生来协商一个双方经理都满意的解决方案。与其等待，不如终止应用程序，然后再查看您的代码。一个常见的错误是为某些小部件使用了错误的父级。
Thus, if you call gridon the textbox, do not call packon the scrollbar.
因此，如果您调用grid文本框，请不要调用pack滚动条。
import Tkinter as tk
import ttk
class App(object):
def __init__(self, master, **kwargs):
self.master = master
self.create_text()
def create_text(self):
self.textbox = tk.Text(self.master, height = 10, width = 79, wrap = 'word')
vertscroll = ttk.Scrollbar(self.master)
vertscroll.config(command=self.textbox.yview)
self.textbox.config(yscrollcommand=vertscroll.set)
self.textbox.grid(column=0, row=0)
vertscroll.grid(column=1, row=0, sticky='NS')
root = tk.Tk()
app = App(root)
root.mainloop()
回答by ThePerson
The reason of the code is simple, you CANNOT use pack and grid inside the same class or for the same frame. Thus, use only one.
代码的原因很简单，你不能在同一个类或同一个框架中使用包和网格。因此，只使用一个。
