python Tkinter() how to hide the UI

Question

Hi I am developing a single login in python using Tkinter(), I just only want that when the user Logged in correctly the login UI will be hidden and the content UI will display... so I was thinking that the ui can be hide or the visibility will be hidden? for example I had this code...

def httpGETCheck(username, password):
    .... 
    # assumed that the user is correct
    if registeredUser:
        # how can I hide or set visible is false to all the UI in the showLogin() Module
        # and how can I show the showContent() UI or replaced the showContent() UI from showLogin() UI

class ContentUI():
    def showContent(self, frame):
        button1 = Button(frame, text="+", width=15, command=counterPlus)
        button1.grid()

    def showLogin(self, frame):
        self.contentUI = ContentUI()    

        L1 = Label(frame, text="User Name")
        L1.pack( side = LEFT)
        L1.grid()

        E1 = Entry(frame, bd =5)
        E1.pack(side = RIGHT)
        E1.grid()

        L2 = Label(frame, text="Password")
        L2.pack( side = LEFT)
        L2.grid()       

        E2 = Entry(frame, bd =5, show="*")
        E2.pack(side = RIGHT)
        E2.grid()

        submit = Button(frame, text="Login", width=15, command=lambda: httpGETCheck(E1.get(), E2.get())) 
        submit.grid()

class UIDisplay():
    def play(self):
        root = Tk()

        root.title(title)
        root.geometry(dimension)

        app = Frame(root)

        contentUI = ContentUI()
        contentUI.showLogin(app)

        app.grid()


        root.mainloop()

ad = UIDisplay()
ad.play()

related: stackoverflow.com/a/1407700/951890

Vaughn Cato
– Vaughn Cato

2013-10-16 13:24:37 +00:00
Commented Oct 16, 2013 at 13:24 — Vaughn Cato
– Vaughn Cato, Commented Oct 16, 2013 at 13:24

unutbu · Accepted Answer · 2018-11-23 19:36:17Z

2

Here is an alternative: Define each "page" in a Frame. Then use calls to lift to raise the appropriate Frame above the others. (The following code borrows heavily from Bryan Oakley's code here.)

import tkinter as tk
class Page(tk.Frame):
    def __init__(self, master, text, height, width, *args, **kwargs):
        tk.Frame.__init__(self, *args, borderwidth=20, **kwargs)
        self.height = height
        self.width = width
        button = tk.Button(self, text=text, font=('Comic Sans MS', 20),
                           command=lambda: self.callback())
        button.pack(side="top", fill="both", expand=True)
    def onlift(self):
        root.geometry('{}x{}'.format(self.width, self.height))
        self.lift()

class App(tk.Frame):
    def __init__(self, *args, **kwargs):
        tk.Frame.__init__(self, *args, **kwargs)

        p1 = Page(self, 'Login 1', height=200, width=300)
        p2 = Page(self, 'Next page is 2', height=400, width=300)
        p3 = Page(self, 'We love number 3', height=400, width=600)
        p1.callback = p2.onlift
        p2.callback = p3.onlift
        p3.callback = p1.onlift

        p1.place(x=0, y=0, relwidth=1, relheight=1)
        p2.place(x=0, y=0, relwidth=1, relheight=1)
        p3.place(x=0, y=0, relwidth=1, relheight=1)

        p1.onlift()

root = tk.Tk()
app = App(root)
root.mainloop()

Above I've only defined one kind of Frame, called Page. For your situation, you'd want a Login Frame, and then a subsequent Frame:

    p1 = Login(self, ...)
    p2 = Registered(self, ...)

edited Nov 23, 2018 at 19:36

answered Oct 16, 2013 at 13:24

unutbu

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1 Comment

R Yoda Over a year ago

Just for documentation for user of other programm languages (but mentioned briefly in the answer): lift() calls the tk command raise to change the z order of the widget`s window. See the tk doc for raise.

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