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  • GUI to show list in MAC application

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    Hi All,

    In this tutorial we will update list as user enter an entry to the list. We create an entry field and a button to get details from the user and label to show the list. First we will create a user interface.

    1) First step is to create a non resizable window 600X400 :-

    #!/usr/bin/python
    
    import sys
    if sys.version_info < (3, 0):
        # Python 2
        import Tkinter as tk
        from Tkinter import *
    else:
        # Python 3
        import tkinter as tk
        from Tkinter import *
    
    root = tk.Tk()
    root.title("Mac Application")
    root.resizable(width=False, height=False)
    root.geometry('600x400')
    obj = ListExample()
    tk.mainloop()

    2) Now create user interface for app : We added a label , textfield and a button , to create UI we used tkinter library of python.

    #!/usr/bin/python
    
    import sys
    if sys.version_info < (3, 0):
        # Python 2
        import Tkinter as tk
        from Tkinter import *
    else:
        # Python 3
        import tkinter as tk
        from Tkinter import *
    class ListExample:
    
       def __init__(self):
          parent = tk.Frame(root)
          parent.grid()
          self.v = StringVar()
          self.v.set('') 
          self.e2 = tk.Entry(parent , bd = 2,textvariable=self.v)
          self.e2.grid(row=0, column=0)
          self.e2.pack(side="left",fill="x", expand=True)
          self.btn = tk.Button(parent, text="Add Player")
          self.btn.grid(row=0, column=1)
          self.btn.pack(side="right",fill="x", expand=True)
          parent.pack(expand=0)
          self.lbl = tk.Label( root , bd=2 , text="")
          self.lbl.pack()
          self.lbl1 = tk.Label( root , bd=2 , text="Players :- ")
          self.lbl1.pack()
          self.mylist = []
          self.lbl2 = tk.Label( root, bd=2 , text="")
          self.lbl2.pack()
    
    root = tk.Tk()
    root.title("Mac Application")
    root.resizable(width=False, height=False)
    root.geometry('600x400')
    obj = ListExample()
    tk.mainloop()

    3) Now add action to button and show the status of user action below :-

    #!/usr/bin/python
    
    import sys
    if sys.version_info < (3, 0):
        # Python 2
        import Tkinter as tk
        from Tkinter import *
    else:
        # Python 3
        import tkinter as tk
        from Tkinter import *
    
    class ListExample:
    
       def __init__(self):
          parent = tk.Frame(root)
          parent.grid()
          self.v = StringVar()
          self.v.set('') 
          self.e2 = tk.Entry(parent , bd = 2,textvariable=self.v)
          self.e2.grid(row=0, column=0)
          self.e2.pack(side="left",fill="x", expand=True)
          self.btn = tk.Button(parent, text="Add Player",command=self.addPlayer)
          self.btn.grid(row=0, column=1)
          self.btn.pack(side="right",fill="x", expand=True)
          parent.pack(expand=0)
          self.lbl = tk.Label( root , bd=2 , text="")
          self.lbl.pack()
          self.lbl1 = tk.Label( root , bd=2 , text="Players :- ")
          self.lbl1.pack()
          self.mylist = []
          self.lbl2 = tk.Label( root, bd=2 , text="")
          self.lbl2.pack()
    
       def addPlayer(self):
    
       	  if len(self.e2.get()) == 0 or (len(self.e2.get().strip()) == 0) :
       	  	self.lbl.config(text='Please enter valid player name!!')
       	  	return
       	  else:
       	  	self.lbl.config(text='')
       	  self.mylist.append(self.e2.get())
       	  self.lbl2.config(text='\n'.join(map(str, self.mylist)))
       	  self.v.set('')
       	  
    
    
    
    
    root = tk.Tk()
    root.title("Mac Application")
    root.resizable(width=False, height=False)
    root.geometry('600x400')
    obj = ListExample()
    tk.mainloop()


    Now you can run this app from your command line and just enter players name and players list will be automatic updated.

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