Managing Group of Checkbuttons in Python tkinter window for select all limit of selection

1. Checking all or Un checking all from a single button.
2. Limiting selection of checkboxs

Checking all or Un checking all from a single button.

Tkinter Managing Group of Checkbuttons by Select UnSelect all & limiting number of user selections

my_w = tk.Tk()
my_w.geometry("400x150")
def my_upd():
    if(c7_v.get()==1):
        c1.select()
        c2.select()
        c3.select()
        c4.select()
        c5.select()
        c6.select()
    else: 
        c1.deselect()
        c2.deselect()
        c3.deselect()
        c4.deselect()
        c5.deselect()
        c6.deselect()
c1_v=tk.IntVar(my_w)    
c1=tk.Checkbutton(my_w,text='Python',variable=c1_v)
c1.grid(row=1,column=1)

c2_v=tk.IntVar(my_w)
c2=tk.Checkbutton(my_w,text='PHP',variable=c2_v)
c2.grid(row=1,column=2)

c3_v=tk.IntVar(my_w)
c3=tk.Checkbutton(my_w,text='HTML',variable=c3_v)
c3.grid(row=1,column=3)

c4_v=tk.IntVar(my_w)
c4=tk.Checkbutton(my_w,text='SQL',variable=c4_v)
c4.grid(row=1,column=4)

c5_v=tk.IntVar(my_w)
c5=tk.Checkbutton(my_w,text='Java',variable=c5_v)
c5.grid(row=1,column=5)

c6_v=tk.IntVar(my_w)
c6=tk.Checkbutton(my_w,text='JScript',variable=c6_v)
c6.grid(row=1,column=6)

c7_v=tk.IntVar(my_w)
c7=tk.Checkbutton(my_w,text='Status All',command=my_upd,variable=c7_v)
c7.grid(row=2,column=1)

my_w.mainloop()

Restricting Number of selection of checks

Maximum number of selection of Checkbuttons

We can restrict the number of selection of checkboxes from the group. Here maximum 3 can be selected and after selecting 3 numbers all other unchecked Checkboxes will be disabled. User can remove one of the selected Checkbox to enable the balance Checkboxes for selection. Any time maximum 3 can be selected.

import tkinter  as tk 
my_w = tk.Tk()
my_w.geometry("400x150")
def my_upd():
    i=0
    if(c1_v.get()==1):i=i+1
    if(c2_v.get()==1):i=i+1    
    if(c3_v.get()==1):i=i+1
    if(c4_v.get()==1):i=i+1
    if(c5_v.get()==1):i=i+1    
    if(c6_v.get()==1):i=i+1    
    if(i>=3):
        if(c1_v.get()!=1):c1.config(state='disabled')
        if(c2_v.get()!=1):c2.config(state='disabled')
        if(c2_v.get()!=1):c2.config(state='disabled')
        if(c3_v.get()!=1):c3.config(state='disabled')
        if(c4_v.get()!=1):c4.config(state='disabled')
        if(c5_v.get()!=1):c5.config(state='disabled')
        if(c6_v.get()!=1):c6.config(state='disabled')
    else:
        c1.config(state='normal')
        c2.config(state='normal')
        c3.config(state='normal')
        c4.config(state='normal')
        c5.config(state='normal')
        c6.config(state='normal')
c1_v=tk.IntVar(my_w)    
c1=tk.Checkbutton(my_w,text='Python',command=my_upd,variable=c1_v)
c1.grid(row=1,column=1)

c2_v=tk.IntVar(my_w)
c2=tk.Checkbutton(my_w,text='PHP',command=my_upd,variable=c2_v)
c2.grid(row=1,column=2)

c3_v=tk.IntVar(my_w)
c3=tk.Checkbutton(my_w,text='HTML',command=my_upd,variable=c3_v)
c3.grid(row=1,column=3)

c4_v=tk.IntVar(my_w)
c4=tk.Checkbutton(my_w,text='SQL',command=my_upd,variable=c4_v)
c4.grid(row=1,column=4)

c5_v=tk.IntVar(my_w)
c5=tk.Checkbutton(my_w,text='Java',command=my_upd,variable=c5_v)
c5.grid(row=1,column=5)

c6_v=tk.IntVar(my_w)
c6=tk.Checkbutton(my_w,text='JScript',command=my_upd,variable=c6_v)
c6.grid(row=1,column=6)
my_w.mainloop()

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Subhendu Mohapatra

Author & Instructor at plus2net

I write and maintain practical tutorials on Python, PHP, SQL, JavaScript, HTML, jQuery, and web development at plus2net. The tutorials focus on clear explanations, working examples, and code that readers can test and adapt while learning.

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