python - Make a Tkinter Toplevel active -


i trying make toplevel widget active window on screen (i want if press enter, exits window. have key bound widget, can't seem window main window on computer. running program using notepad++ (i have shortcut specific program since using lot).

here code:

def main():     root = tk(classname = ' module opener')     app = getfilename(root)     root.rowconfigure(0, weight = 1)     root.columnconfigure(0, weight = 1)     root.bind('<return>', (lambda e, b=app.gobutton: b.invoke()))     root.mainloop()     f, pythontype = app.filename, app.pythontype     if f[-3:] != '.py': f += '.py'     modulefile = getfilepath(f, pythontype)     if not modulefile none:         subprocess.call([r"c:\program files\notepad++\notepad++.exe", modulefile])     else:         root.withdraw()         finalroot = toplevel(root)         finalroot.grab_set() # thought make active         finalapp = filenotexist(finalroot, f)         finalroot.rowconfigure(0, weight = 1)         finalroot.columnconfigure(0, weight = 1)         finalroot.bind('<return>', (lambda e, b=finalapp.okbutton: b.invoke()))         finalroot.mainloop()

i want when opens, if press enter, command; however, have click in window first becomes active, , works.

i tried various things such finalroot.lift(), finalroot.focus_set(), finalroot.grab_set()/finalroot.grab_set_global() (i saw these methods another question), , finalroot.focus().

the first window tk() active when program starts. however, toplevel() not. tried making 2 tk()'s (destroying root , creating finalroot new tk() instance), did not work well. how can this? thanks!

...however, have click in window first becomes active, , works.

i encountered problem , while researching solution, found thread. i'm using windows 7 professional. did call both grab_set() , focus() , solved problem me. have finalroot.grab_set(), add:

finalroot.focus()

it worked in case.


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