[tkinter] <Map> event example (move main window when widget appears)

move_main_window_when_button_is_mapped.py

import tkinter

#Move the main window to the top-right of monitor when this button appears
class DummynButton(tkinter.Button):
    def __init__(self, master):
        super().__init__(
            master,
            width=15,
            text="click",
        )
        self.master = master
        self.bind("<Map>", self.move_position)   #bind <Map> event

    def move_position(self, event):
        screen_width = self.winfo_screenwidth()         #monior width
        main_window_width = self.master.winfo_width()   #tkinter main window width
        frame = self.master.winfo_rootx() - self.master.winfo_x()   #invisible frame width
        x = screen_width - main_window_width
        self.master.geometry('+%d+%d' % (x-frame, 0))   #move main window


if __name__ == "__main__":
    root = tkinter.Tk()
    b = DummynButton(root)
    b.pack()
    root.mainloop()