zavrit.py

# pip install pyglet
import pyglet

window = pyglet.window.Window(
    style=pyglet.window.Window.WINDOW_STYLE_BORDERLESS,
    resizable=True,
)

label = pyglet.text.Label('Zavřít ', font_name=['Fira Mono', 'Courier New'])


@window.event
def on_draw():
    window.clear()
    label.x = window.width - label.content_width
    label.y = window.height - label.content_height
    label.draw()


def in_label(x, y):
    return (
        x > window.width - label.content_width
        and y > window.height - label.content_height
    )


@window.event
def on_mouse_motion(x, y, dx, dy):
    if in_label(x, y):
        label.color = 0, 255, 0, 255
    else:
        label.color = 255, 255, 255, 255


@window.event
def on_mouse_release(x, y, button, mod):
    if in_label(x, y):
        window.close()


pyglet.app.run()