[英]Tkinter - How to close one window whilst opening another window in Tkinter - Python 3
I am extremely new to Tkinter and must use this for my programming coursework, i am looking for help to understand how to I destroy/hide the LoginWindow when the SuccessfulLogin window is opened. 我对Tkinter并不陌生,必须在我的编程课程中使用它,我正在寻求帮助以了解如何在打开成功登录窗口时销毁/隐藏LoginWindow。 Bear in mind that i am new to tkinter.
请记住,我是tkinter的新手。 Thank you.
谢谢。
import tkinter
from tkinter import ttk
class loginWindow():
def __init__(self, master): #constructor
self.master = master
self.master.title("Main Menu") #window title
self.master.geometry("400x400") #window size
self.master.configure(background = "#fff1d0") #window colour, hexadecimal codes
#self.photo = PhotoImage(file = "filename.png") #sets up image
#self.photoLabel = Label(self.master, image = self.photo, bg = "red") #puts image on label
#self.photoLabel.place(x=350 y=600) #places onto the screen with specified coordinates
self.enterLabel = tkinter.Label(self.master, text = "Launcher", font = ("Helvetica", 16), bg = "#fff1d0")
self.enterLabel.pack(pady = 10)
self.emptySpace = tkinter.Label(self.master, text = " ", bg = "#fff1d0")
self.emptySpace.pack(pady = 10)
self.username = tkinter.Label(self.master, text = "Username:", bg = "#fff1d0") #Label widget and properties
self.username.pack()
self.enterUser = tkinter.ttk.Entry(self.master, width = 40) #Creates text entry widget
self.enterUser.pack()
self.password = tkinter.Label(self.master, text = "Password:", bg = "#fff1d0") #Label widget and properties
self.password.pack()
self.enterPass = tkinter.ttk.Entry(self.master, width = 40, show = "*") #Creates text entry widget
self.enterPass.pack()
self.loginButton = tkinter.ttk.Button(self.master, width = 40, text = "Login", command = self.loginAccess)
self.loginButton.pack(pady = 10)
def loginAccess(self):
username = "Aaron" #Needs to become a dictionary or database or something with all usernames and passwords
password = "Password"
global userUsername
userUsername = self.enterUser.get()
userPassword = self.enterPass.get()
if userUsername != username and userPassword != password:
self.enterLabel.configure(text = "Invalid username and password. Please try again.", font = (10))
self.enterUser.delete(0, "end")
self.enterPass.delete(0, "end")
if userUsername == username and userPassword != password:
self.enterLabel.configure(text="Invalid password. Please try again.", font = (10))
self.enterPass.delete(0, "end")
if userUsername == username and userPassword == password:
self.enterUser.delete(0, "end")
self.enterPass.delete(0, "end")
self.goToSuccessfulLoginWindow()
def goToSuccessfulLoginWindow(self):
root2 = tkinter.Toplevel()
myGUI = successfulLogin(root2)
myGUI.setName(userUsername)
class successfulLogin():
def __init__(self, master):
self.master = master
self.master.title("Login Successful")
self.master.geometry("700x700")
self.master.configure(background="#fff1d0")
self.confirmLabel = tkinter.Label(self.master, text = " ", font = ("Helvetica", 16), bg = "#fff1d0")
self.confirmLabel.pack()
self.quitButton = tkinter.ttk.Button(self.master, text = "Quit", command = self.quitWindow)
self.quitButton.pack()
self.logOutButton = tkinter.ttk.Button(self.master, text = "Log out", command = self.logout)
self.logOutButton.pack()
def setName(self, username):
name = username
self.confirmLabel.configure(text = "welcome " + name)
def quitWindow(self):
self.master.quit()
def logout(self):
loginWindow(root)
self.master.destroy()
def centerWindow(width=300, height=200):
screen_width = root.winfo_screenwidth()
screen_height = root.winfo_screenheight()
x = (screen_width / 2) - (width / 2)
y = (screen_height / 2) - (height / 2)
root.geometry('%dx%d+%d+%d' % (width, height, x, y))
root = tkinter.Tk()
centerWindow(310, 375)
root.resizable(False,False)
loginWindow(root)
root.mainloop(
Based on this answer example below can be produced. 基于此答案 ,可以生成以下示例。
import tkinter as tk
root = tk.Tk()
#In order to hide main window
root.withdraw()
tk.Label(root, text="This is the main window").pack()
aWindow = tk.Toplevel(root)
def change_window():
#remove the other window entirely
aWindow.destroy()
#make root visible again
root.iconify()
root.deiconify()
tk.Button(aWindow, text="This is aWindow", command=change_window).pack()
root.mainloop()
In the example first there's a window aWindow
, and when you click the button on it, it destroys aWindow
and makes the root
window visible again. 在示例中,首先有一个窗口
aWindow
,当您单击它上的按钮时,它将破坏aWindow
并使root
窗口再次可见。
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