Some game default key bindings conflict with crucial system shortcuts on macOS

[frenzibyte]

• Loosely related: Use "Command" key rather than "Control" for global keybinds on macOS #13482

Namely:

• osu/osu.Game/Input/Bindings/GlobalActionContainer.cs

  Lines 203 to 204 in dcf78a6

  	new KeyBinding(new[] { InputKey.Control, InputKey.Up }, GlobalAction.IncreaseModSpeed),
  	new KeyBinding(new[] { InputKey.Control, InputKey.Down }, GlobalAction.DecreaseModSpeed),

  This conflicts with the shortcut Ctrl-Up used to trigger "Mission Control" and the shortcut Ctrl-Down used to display all windows of the focused application.

• osu/osu.Game/Input/Bindings/GlobalActionContainer.cs

  Lines 151 to 154 in dcf78a6

  	new KeyBinding(new[] { InputKey.Control, InputKey.Left }, GlobalAction.EditorSeekToPreviousHitObject),
  	new KeyBinding(new[] { InputKey.Control, InputKey.Right }, GlobalAction.EditorSeekToNextHitObject),
  	new KeyBinding(new[] { InputKey.Control, InputKey.Shift, InputKey.Left }, GlobalAction.EditorSeekToPreviousSamplePoint),
  	new KeyBinding(new[] { InputKey.Control, InputKey.Shift, InputKey.Right }, GlobalAction.EditorSeekToNextSamplePoint),

  This conflicts with the shortcut Ctrl-Left and Ctrl-Right used to navigate between desktop spaces. The last two don't necessarily conflict but they technically derive from the ones above them.

cc @peppy

[peppy]

Probably should use command instead of control for macOS only.

[frenzibyte]

Sounds good. Would you also agree to change all key bindings to use Command or only the ones listed above? Based on my many-but-not-so-many years of experience with macOS, I think it's more natural for us to use Command as much as possible and fall back to Control if we cannot use Command for a particular key binding.

Referencing Apple's human interface guidelines (which we don't have to necessarily follow but it provides best practices for macOS etc.):

Here's the list of all key bindings using Control for reference:

Additionally, we can also change o!f bindings to use Command and therefore not have to manually go to our settings and unbind some system shortcuts because it conflicts with Ctrl-F1 for draw visualiser etc.

[peppy]

It's a large change but yes, I'd support moving them all over.