Python: Tkinter GUI (4)

Abstract: press a button and activate a message window

# -*- coding: utf-8 -*-

"""

Created on Thu Jul 2 12:35:28 2015

@author: yuan

"""

import sys

from Tkinter import *

makemodal=(len(sys.argv)>1)

class MyWindow:

def __init__(self, title='tkinter'):

self.win=Tk()

self.win.title(title)

self.title=title

#add a label

def win_label(self, txt):

widget=Label(self.win, text=txt)

widget.config(bg='green', fg='black')

widget.config(font=('times', 20, 'normal') )

widget.config(height=5, width=25)

widget.pack(expand='yes', fill='both')

return self.win

#add a button configuration

def config_button(self, widget, txt):

widget.config(text=txt)

widget.config(cursor='gumby')

widget.config(bd=5, relief='raised')

widget.config(bg='cyan', fg='black')

widget.config(font=('helvetica', 20, 'bold') )

widget.pack(padx=10, pady=10)

widget.pack(side='left', expand='yes')

return widget

#add a button

def exec_button(self, label, func):

widget=Button(self.win, command=func )

widget=self.config_button(widget, label)

return self.win

#message box

def dialog(self):

win = Tk()

win.title('Message') # make a new window

Label(win, text='Format hard drive').pack() # add a few widgets

Button(win, text='OK', command=win.destroy).pack() # set destroy callback

if makemodal:

win.focus_set() # take over input focus,

win.grab_set() # disable other windows while I'm open,

win.wait_window() # and wait here until win destroyed

###main program

#the simplest label window

ww=MyWindow(title='Tkinter')

#the window will be present on the left top corner of the screen

#win=ww.win_v1('Hello GUI world')

#some decorations of labels and titles

win=ww.win_label('Hello world!')

win=ww.win_label('Good luck!')

#add two buttons

win=ww.exec_button('message', ww.dialog )

win=ww.exec_button('quit', sys.exit )

win.mainloop()