an infinite-canvas terminal multiplexer using gpui

tarp: add macos global shortcut and window options #5

Merged eti.tf
targeting op/kmwmtpnqoxwu from eti.tf/tarp:eti/macos-window
Merged opened by and assigned to eti.tf
targeting op/kmwmtpnqoxwu from eti.tf/tarp:eti/macos-window

adds new_terminal_shortcut, a global hotkey that opens a terminal from any app, plus macos_transparent_titlebar and macos_window_buttons. the third commit removes follow_active_space, added in the first, so the window stays on its space and macos restores focus. based on op/kmwmtpnqoxwu.

Commits 3

tarp: keep the window on its space so macos restores focus
tarp: add macos transparent titlebar and window buttons options
tarp: add global new terminal shortcut on macos