CODEWITHSUNDEEP
pythonpython-3.xtkinterfocus
Bogdan Balan
Bogdan Balan

Reputation: 6701

Set focus on Tkinter window (depends on platform?)

I have a Tkinter program and running it like: python myWindow.py starts it all right, but the window is behind the terminal that I use to start it.

Is there a way to make it grab the focus and be the foreground application? Does it depend on the platform?

Upvotes: 8

Views: 4056

Answers (3)

Caleb Hattingh
Caleb Hattingh

Reputation: 9225

Somewhat of a combination of various other methods found online, this works on OS X 10.11, and Python 3.5.1 running in a venv, and should work on other platforms too. On OS X, it also targets the app by process id rather than app name.

from tkinter import Tk
import os
import subprocess
import platform


def raise_app(root: Tk):
    root.attributes("-topmost", True)
    if platform.system() == 'Darwin':
        tmpl = 'tell application "System Events" to set frontmost of every process whose unix id is {} to true'
        script = tmpl.format(os.getpid())
        output = subprocess.check_call(['/usr/bin/osascript', '-e', script])
    root.after(0, lambda: root.attributes("-topmost", False))

You call it right before the mainloop() call, like so:

raise_app(root)
root.mainloop()

Upvotes: 0

noob oddy
noob oddy

Reputation: 1339

Have you tried this at the end of your script ?

root.iconify()
root.update()
root.deiconify()

root.mainloop()

Upvotes: 0

Bryan Oakley
Bryan Oakley

Reputation: 385870

This might be a feature of your particular window manager. One thing to try is for your app to call focus_force at startup, after all the widgets have been created.

Upvotes: 2

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