OS-window resizing

[williamspatrick]

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[williamspatrick]

See #3785 for original PR and design discussion.

Intended work tasks / progress:

• [ ] CSI escape codes
  • [X] Add option for escape codes.
  • [X] Basic CSI 4/8 support for resizing single window (OS window).
  • [x] CSI 4/8 support for multiple windows (resize + reflow layout).
  • [x] Ensure minimum size windows are handled for CSI 4/8.
  • [ ] CSI 9/10 support for full screen and maximize.
  • [x] CSI 88 support for OS window-only resize (using CSI 4/8 support).
  • [x] CSI 89 support for kitty window-only resize (using CSI 4/8 support).
• [ ] kitty +kitten @ resize-os-window implementation
• [ ] Fix any High DPI issues on macOS

[kovidgoyal]

You also need to fix the high dpi issue on macOS, I think.

[kovidgoyal]

I have implemented the remote control command for this. That should give you all the lower level pieces to implement the rest of it easily.

[TheArcaneBrony]

Concern: how would this be handled in tiling window managers? There is a way to disable this, right?