[英]Can't resize treeview with grid on tkinter
我無法使用網格布局調整tkinter上的treeview小部件。 我嘗試使用columnconfigure
和rowconfigure
weight
但它不起作用。 當我運行它時,當我拉伸它所在的窗口時,樹視圖不會填充空白區域。
def __init__(self, master):
self.master = master
tk.Frame.__init__(self, self.master)
self.create_widgets()
def create_widgets(self):
# button to request data
self.request_button = tk.Button(root, text="Send", command=self.req_client)
self.request_button.grid(row=0, column=0, rowspan=2, columnspan=3)
# timer label
self.timer_label = tk.Label(root, text="Timer Settings")
self.timer_label.grid(row=0, column=3, columnspan=2, pady=3, sticky=tk.NSEW)
# create tk variable
self.timervar = tk.StringVar(root)
# dropdown dictionary
self.timerDict = {"-", "5 minutes", "10 minutes", "15 minutes"}
self.timervar.set("-") # <-- set the default value
# timer dropdown menu
self.timer_option = tk.OptionMenu(root, self.timervar, *self.timerDict, command=self.req_timer)
self.timer_option.grid(row=1, column=3, columnspan=2, padx=3, pady=3, sticky=tk.NSEW)
# scroll bar for the terminal outputs
self.terminal_scrollbar = tk.Scrollbar(root)
self.terminal_scrollbar.grid(row=2, column=5, sticky=tk.NS)
# terminal output
self.terminal_tree = ttk.Treeview(root)
self.terminal_tree.grid(row=2, column=0, columnspan=5, sticky=tk.NSEW)
self.terminal_tree.configure(yscrollcommand=self.terminal_scrollbar.set)
self.terminal_tree.columnconfigure(0, weight=1)
self.terminal_tree.rowconfigure(0, weight=1)
self.terminal_tree["columns"] = ("1")
self.terminal_tree['show'] = 'headings'
self.terminal_tree.column("1", width=100, anchor='c')
self.terminal_tree.heading("1", text="Example")
首先:如果你使用Frame
來創建類,那么你應該使用這個框架( self
)作為小部件的父級(而不是使用root
)
之后 ...
第二:你必須調整Frame
( self
)的大小,所以它將使用完整的窗口
self.pack(fill='both', expand=True)
因為Treeview
在Frame
所以你必須使用帶有Frame
columnconfigure
self.columnconfigure(0, weight=1) # column with treeview
self.rowconfigure(2, weight=1) # row with treeview
工作實例。 我評論command=
運行它。
(順便說一下:我在Frame
使用bg="red"
來查看Frame
是否正在調整大小)
import tkinter as tk
from tkinter import ttk
class Main(tk.Frame):
def __init__(self, master):
self.master = master
tk.Frame.__init__(self, self.master) # , bg="red")
self.pack(fill='both', expand=True)
self.create_widgets()
def create_widgets(self):
# button to request data
self.request_button = tk.Button(self, text="Send") #, command=self.req_client)
self.request_button.grid(row=0, column=0, rowspan=2, columnspan=3)
# timer label
self.timer_label = tk.Label(self, text="Timer Settings")
self.timer_label.grid(row=0, column=3, columnspan=2, pady=3, sticky=tk.NSEW)
# create tk variable
self.timervar = tk.StringVar(self)
# dropdown dictionary
self.timerDict = {"-", "5 minutes", "10 minutes", "15 minutes"}
self.timervar.set("-") # <-- set the default value
# timer dropdown menu
self.timer_option = tk.OptionMenu(self, self.timervar, *self.timerDict) #, command=self.req_timer)
self.timer_option.grid(row=1, column=3, columnspan=2, padx=3, pady=3, sticky=tk.NSEW)
# scroll bar for the terminal outputs
self.terminal_scrollbar = tk.Scrollbar(self)
self.terminal_scrollbar.grid(row=2, column=5, sticky=tk.NS)
# terminal output
self.terminal_tree = ttk.Treeview(self)
self.terminal_tree.grid(row=2, column=0, columnspan=5, sticky=tk.NSEW)
self.terminal_tree.configure(yscrollcommand=self.terminal_scrollbar.set)
self.terminal_tree["columns"] = ("1")
self.terminal_tree['show'] = 'headings'
self.terminal_tree.column("1", width=100, anchor='c')
self.terminal_tree.heading("1", text="Example")
self.columnconfigure(0, weight=1) # column with treeview
self.rowconfigure(2, weight=1) # row with treeview
root = tk.Tk()
Main(root)
root.mainloop()
您可能必須在第一行內使用框架以更好地組織按鈕和選項菜單。
編輯:更改某些grid()
選項和更改rowconfigure()
import tkinter as tk
from tkinter import ttk
class Main(tk.Frame):
def __init__(self, master):
self.master = master
tk.Frame.__init__(self, self.master) # , bg="red")
self.pack(fill='both', expand=True)
self.create_widgets()
def create_widgets(self):
# button to request data
self.request_button = tk.Button(self, text="Send") #, command=self.req_client)
self.request_button.grid(row=0, column=0, rowspan=2)
# timer label
self.timer_label = tk.Label(self, text="Timer Settings")
self.timer_label.grid(row=0, column=1, pady=3, sticky=tk.NSEW)
# create tk variable
self.timervar = tk.StringVar(self)
# dropdown dictionary
self.timerDict = {"-", "5 minutes", "10 minutes", "15 minutes"}
self.timervar.set("-") # <-- set the default value
# timer dropdown menu
self.timer_option = tk.OptionMenu(self, self.timervar, *self.timerDict) #, command=self.req_timer)
self.timer_option.grid(row=1, column=1, padx=3, pady=3, sticky=tk.NSEW)
# scroll bar for the terminal outputs
self.terminal_scrollbar = tk.Scrollbar(self)
self.terminal_scrollbar.grid(row=2, column=5, sticky=tk.NS)
# terminal output
self.terminal_tree = ttk.Treeview(self)
self.terminal_tree.grid(row=2, column=0, columnspan=3, sticky=tk.NSEW)
self.terminal_tree.configure(yscrollcommand=self.terminal_scrollbar.set)
self.terminal_tree["columns"] = ("1")
self.terminal_tree['show'] = 'headings'
self.terminal_tree.column("1", width=100, anchor='c')
self.terminal_tree.heading("1", text="Example")
self.columnconfigure(2, weight=1) # column with treeview
self.rowconfigure(2, weight=1) # row with treeview
root = tk.Tk()
Main(root)
root.mainloop()
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