feat: implement Window.ignore_mouse_events

[ndonkoHenri]

Resolves #1438

Test Code

import flet as ft


def main(page: ft.Page):
    def on_keyboard(e: ft.KeyboardEvent):
        if e.key == "Escape":
            page.window.ignore_mouse_events = not page.window.ignore_mouse_events
            s.value = page.window.ignore_mouse_events
            page.update()

    def handle_switch_change(e: ft.ControlEvent):
        page.window.ignore_mouse_events = s.value
        page.update()

    page.on_keyboard_event = on_keyboard
    page.add(
        s := ft.Switch(
            "Ignore Mouse Events",
            on_change=handle_switch_change,
        ),
        ft.Text("Press Escape when the window has focus to toggle switch"),
    )


ft.app(main)

Summary by Sourcery

New Features:

• Introduce the ignore_mouse_events property to the Window class, allowing users to enable or disable mouse event handling for the window.