python - Tkinter GUI Python中的调整大小按钮
问题描述
我用 Tkinter 创建了一个简单的 GUI 应用程序。
关于这段代码,我有两个问题:
import tkinter as tk
from tkinter import ttk, Grid, Frame, N, S, W, E, StringVar, Label, Entry, RAISED, Button, Checkbutton, Scrollbar
class mainApp(Frame):
def __init__(self, parent):
Frame.__init__(self, parent)
self.parent = parent
self.scan_button = Button(self.parent, text="Scan", command=self.scan_wifi)
self.forget_button = Button(self.parent, text="Forget", command=self.forget_wifi)
self.reboot_button = Button(self.parent, text="Reboot", command=self.reboot)
frame=Frame(self.parent)
Grid.rowconfigure(self.parent, 0, weight=1)
Grid.columnconfigure(self.parent, 0, weight=1)
frame.grid(row=0, column=0, sticky=N+S+E+W)
grid=Frame(self.parent)
grid.grid(sticky=N+S+E+W, column=0, row=7, columnspan=2)
Grid.rowconfigure(self.parent, 7, weight=1)
Grid.columnconfigure(self.parent, 0, weight=1)
headings=('Name', 'Address', 'Quality', 'Channel', 'Signal Level', 'Encryption')
row=[]
rows=[]
self.table = ttk.Treeview(show="headings", selectmode="browse")
self.table["columns"]=headings
self.table["displaycolumns"]=headings
for head in headings:
self.table.heading(head, text=head, anchor=tk.CENTER)
self.table.column(head, width=30, anchor=tk.CENTER)
self.scrolltable = tk.Scrollbar(command=self.table.yview)
self.table.configure(yscrollcommand=self.scrolltable.set)
self.scrolltable.grid(row=1, column=100, sticky=N+S)
for row in rows:
self.table.insert('', tk.END, values=tuple(row))
self.table.bind('<ButtonRelease-1>', self.OnRelease)
self.table.grid(row=0, rowspan=14, columnspan = 21, sticky=N+S+E+W)
self.scan_button.grid(row=15, column = 1, columnspan = 1, sticky=N+S+E+W)
self.forget_button.grid(row=15, column = 0, columnspan = 1 , sticky=N+S+E+W)
self.reboot_button.grid(row=15, column = 3, columnspan = 1 , sticky=N+S+E+W)
def OnRelease(self, event):
pass
def scan_wifi(self):
pass
def forget_wifi(self):
pass
def reboot(self):
pass
root=tk.Tk()
app = mainApp(root)
root.mainloop()
1)如何移动窗口顶部的按钮?
2) 为什么,如果我调整窗口大小,“忘记”按钮会变得比其他按钮大?如何使所有按钮大小相同?
解决方案
因为你只调用columnconfigure(0, weight=1)
了,所以在调整窗口大小时只有Forget
按钮会被调整大小。
要将按钮移动到窗口顶部,您需要重新排列按钮 torow=0
和Treeview
to row=1
。以下是根据您的修改代码:
import tkinter as tk
from tkinter import ttk
class mainApp(tk.Frame):
def __init__(self, parent):
tk.Frame.__init__(self, parent)
self.parent = parent
# buttons
self.forget_button = tk.Button(self.parent, text='Forget', command=self.forget_wifi)
self.scan_button = tk.Button(self.parent, text='Scan', command=self.scan_wifi)
self.reboot_button = tk.Button(self.parent, text='Reboot', command=self.reboot)
self.forget_button.grid(row=0, column=0, sticky='nsew')
self.scan_button.grid(row=0, column=1, sticky='nsew')
self.reboot_button.grid(row=0, column=2, sticky='nsew')
# make the 3 buttons same width
for i in range(3):
self.parent.columnconfigure(i, weight=1)
# make the treeview and the scrollbar to fill the remaining space
self.parent.rowconfigure(1, weight=1)
# treeview and scrollbar
frame = tk.Frame(self.parent)
frame.grid(row=1, column=0, columnspan=3, sticky='nsew')
headings=('Name', 'Address', 'Quality', 'Channel', 'Signal Level', 'Encryption')
self.table = ttk.Treeview(frame, show='headings', selectmode='browse')
self.table['columns'] = headings
self.table['displaycolumns'] = headings
for head in headings:
self.table.heading(head, text=head, anchor=tk.CENTER)
self.table.column(head, width=30, anchor=tk.CENTER)
self.scrolltable = tk.Scrollbar(frame, command=self.table.yview)
self.table.configure(yscrollcommand=self.scrolltable.set)
self.table.pack(side=tk.LEFT, fill=tk.BOTH, expand=1)
self.scrolltable.pack(side=tk.RIGHT, fill=tk.Y)
self.table.bind('<ButtonRelease-1>', self.OnRelease)
def OnRelease(self, event):
pass
def scan_wifi(self):
pass
def forget_wifi(self):
pass
def reboot(self):
pass
root=tk.Tk()
app = mainApp(root)
root.mainloop()
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