Tkinter(python) disabled buttons calls method

Question

I have such python script based on Tkinter:

#!/usr/bin/env python
#-*-coding:utf-8-*- 
import ttk
from Tkinter import *
root = ttk.Tkinter.Tk()
root.geometry("%dx%d+0+0" % (1280, 800))
root.title(u'СКЗ Аналитик')
def pre(event):
    print 'Something'
button3=Button(root,state =    DISABLED,text='Test',width=10,height=1,fg='black',font='arial  8')
button3.place(x = 1200, y = 365)
button3.bind('<Button-1>', pre)
root.mainloop()

As you can see the button is disabled but function 'pre' works whan i pushes disabled button.The visual it disabled but...Anyone, can help me?

Brionius · Accepted Answer · 2014-06-03 13:21:50Z

1

The DISABLED field of the button only controls the built-in callback for the button. If you make a separate "handmade" binding on your own, the state of the button will not affect that.

Here's how to make the disabling functionality work as you expect:

button3=Button(root, command = pre, state =    DISABLED,text='Test',width=10,height=1,fg='black',font='arial  8')
#                    ^^^^^^^^^^^^^ use the built-in command field for the button.
button3.place(x = 1200, y = 365)

answered Jun 3, 2014 at 13:21

Brionius

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Comments

Taohidul Islam · Accepted Answer · 2018-06-13 16:26:00Z

1

You have disabled your button but it does not unbind the the function. You need to unbind the function which is associate to the button.

You need to add button3.unbind('<Button-1>') this line.

You can update your code like this :

import ttk
from Tkinter import *
root = ttk.Tkinter.Tk()
root.geometry("%dx%d+0+0" % (1280, 800))
root.title(u'СКЗ Аналитик')
def pre(event):
    print 'Something'
button3=Button(root,state =    DISABLED,text='Test',width=10,height=1,fg='black',font='arial  8')
button3.place(x = 1200, y = 365)
button3.bind('<Button-1>', pre) 
button3.unbind('<Button-1>') #updated line
root.mainloop()

answered Jun 13, 2018 at 16:26

Taohidul Islam

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