How to make button repeatedly use it's command when clicked python tkinter

Question

How do I make a button use it's command whenever it is active? For example, if you hold a repeating button for 1 second, it should have executed it's command about 250 to 1000 times already right? But with a regular button, it just executes it one time, until you release the mouse and click it again. How can I make a button like that? I currently have this with moving,

def up(player):
        x = 0
        y = -10
        c.move(player.rect,x,y)
    def down(player):
        x = 0
        y = 10
        c.move(player.rect,x,y)
    def left(player):
        x = -10
        y = 0
        c.move(player.rect,x,y)
    def right(player):
        x = 10
        y = 0
        c.move(player.rect,x,y)
    #functions are in a class called player
p = player(sx1=950,sy1=540,sx2=975,sy2=565)
lup = lambda : tk.after(50,p.up)
upbtn = Button(tk,width=3,height=2,text="↑",command=lup)
upbtn.pack()
upbtn.place(x=960,y=700)
mainloop()

I searched on the web, but it didn't show any results consistent with my problem. Thanks in advance!

Jason Yang · Accepted Answer · 2021-10-10 11:27:22Z

1

Use option repeatdelay and repeatinterval of tkinter.Button.

repeatdelay, the number of milliseconds to wait before starting to repeat.
repeatinterval, the number of milliseconds to be used between repeats

Simple demo code,

from tkinter import *

def on_click():
    global count
    count += 1
    print(f'click {count}')

root = Tk()

count = 0
button = Button(root, text='Fire', repeatdelay=100, repeatinterval=100, command=on_click)
button.pack()

root.mainloop()

answered Oct 10, 2021 at 11:27

Jason Yang

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2 Comments

Jason Yang Over a year ago

unknown option "-repeatinterval" happened if you use ttk.Button, not tk.Button

Sylvester is on codidact.com Over a year ago

@user14354511: Please accept this answer if it worked for you.

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