(sorry if my English is bad)
In windowed mode,
when a game/beatmap is being played,
the mouse cursor should be restricted to within the window.
This could keep the stuff outside the game window from distracting the user,
until he/she pauses or quits the game.
In windowed mode,
when a game/beatmap is being played,
the mouse cursor should be restricted to within the window.
This could keep the stuff outside the game window from distracting the user,
until he/she pauses or quits the game.