macOS Support

[Bright-Shard]

Progress tracking issue for macOS.

Known Bugs

• Stoplight buttons are miscoloured on hover. I'm having to manually change their state, and ended up putting them in a clicked state instead of a hovered state. Fixed by forwarding more mouse events to macOS instead of trying to set the state myself.
• On newer versions of macOS, hovering over the fullscreen button shows a tiling prompt. Loki windows don't, presumably because they don't use standard NSApp event handling. Fixed by forwarding more mouse events to macOS instead of trying to set the state myself.
• Clicking on things in the tiling prompt mentioned above crashes lokinit (and possibly parts of macOS as well, somehow?)
• The close_window API currently does nothing
• Stoplight buttons aren't always coloured correctly when a window loses and then gains focus
• The mouse cursor isn't always set right. I think AppKit is interfering somehow.
• All events currently return Duration::ZERO instead of an actual time.
• The keyboard events send a keycode instead of the key that was pressed. The keycode represents what the key would be on a QWERTY keyboard, instead of what was actually pressed in the user's layout.
• Control keys do not trigger repeat events when held

Features to add

Specific events:

• Window resized
• Window moved
• Window close requested
• Window destroyed
• Redraw requested
• Focus in
• Focus out
• File dropped
• File hovered
• File hover cancelled
• Keyboard events:
  • Key press
  • Key release
  • Key repeat
  • IME commit
• Mouse events:
  • Pressed
    • Left
    • Middle
    • Right
    • Other
  • Released
    • Left
    • Middle
    • Right
    • Other
  • Moved
  • Entered window
  • Left window
  • Scroll wheel
• Touch events:
  • Started
  • Moved
  • Ended
  • Cancelled

Taken from EventType enum.

Other features:

• Window initialization
• Multiple windows
• OpenGL support
• Metal support
• Window deco
• Window resizing events
• Window resize increments
• Window transparency
• Window max/min-imisation
• Fullscreen
• Exclusive Fullscreen
• HiDPI (All macs are HiDPI, should work out of the box)
• Popups
• Monitor info
• Video mode query
• Mouse events
• Set, lock, or confine mouse cursor
• Custom cursor icon
• Cursor hittests
• Touch events
• Touch pressure
• Multitouch
• Keyboard events
• Drag 'n drop
• Raw device events
• Gamepad/joystick events
• Device movement events

Taken from https://github.com/loki-chat/lokinit/blob/main/FEATURES.md

Notes

• I'm manually handling window resizing, and because of that, I'm not sure if the hit targets are the right size.