import flet as ft, time

def main(page: ft.Page):
    page.window.title_bar_hidden = True

    def maximize(e, text):
        start = time.time()
        page.window.maximized = not page.window.maximized
        page.update()
        print(f"{text} updated in: {time.time() - start:.5f}")

    button_with_wda = ft.WindowDragArea(
        ft.Container(
            ft.Icon(
                ft.Icons.ABC,
                size=30
            ),
            on_click=lambda e: maximize(e, "With WDA")
        )
    )
    
    button_without_wda = ft.Container(
        ft.Icon(
            ft.Icons.ABC,
            size=30
        ),
        on_click=lambda e: maximize(e, "Without WDA")
    )
    

    page.add(button_with_wda)
    page.add(button_without_wda)

if __name__ == "__main__":
    ft.app(target=main)