kakoune/rc/windowing/screen.kak
Johannes Altmanninger 746e0d032f rc windowing: allow to configure windowing system and window placement in new/terminal commands
Today I can control "terminal" and "new" by changing the terminal
alias but I always need to choose a concrete implementation, like
"tmux-terminal-horizontal", even when there is otherwise no need to
mention tmux in my config.

Allow to configure windowing system and window placement independently
by introducing dedicated options.

This allows to create mappings that work in any windowing system like

	map global user c   %{:with-option windowing_placement window new<ret>}
	map global user '"' %{:with-option windowing_placement vertical new<ret>}
	map global user '%' %{:with-option windowing_placement horizontal new<ret>}

For windowing systems that don't support all placements, you can wrap
the above in try/catch to fall back on the "window" variant which is
defined for all windowing systems.

When using multiple (nested) windowing systems, you might want to
add mappings like

	map global user t %{:with-option windowing_module tmux new<ret>}
	map global user T %{:with-option windowing_module wayland new<ret>}

---

This changes the default "terminal" alias for some modules. In
particular, instead of delegating to

    iterm-terminal-vertical
    screen-terminal-vertical
    tmux-terminal-horizontal
    wezterm-terminal-vertical

it will now by default delegate to the respective "-window" variant.
We could maintain backwards compatiblity here by setting the
"windowing_placement" option accordingly, but the new behavior seems
more logical?

Also, this removes the "terminal-tab" alias which was only defined
by the kitty module.

We could try to keep the alias approach and implement a "with-alias"
command, however that approach can only capture both dimensions
(windowing system and placement) if we add tons of commands
like "terminal-horizontal" (with implied windowing system) and
"tmux-terminal" (with implied placement).

Side thought: we could also get rid of the "focus" alias and instead
define

    define-command focus %{
        "%opt{windowing_module}-focus"
    }

Closes #3943, #4425
2023-11-13 22:54:49 +01:00

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# http://gnu.org/software/screen/
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
provide-module screen %{
# ensure that we're running under screen
evaluate-commands %sh{
[ -z "${kak_opt_windowing_modules}" ] || [ -n "$STY" ] || echo 'fail screen not detected'
}
define-command screen-terminal-impl -hidden -params 3.. %{
nop %sh{
tty="$(ps -o tty ${kak_client_pid} | tail -n 1)"
screen -X eval "$1" "$2"
shift 2
# see x11.kak for what this achieves
args=$(
for i in "$@"; do
printf "'%s' " "$(printf %s "$i" | sed "s|'|'\\\\''|g")"
done
)
screen -X screen sh -c "${args} ; screen -X remove" < "/dev/$tty"
}
}
define-command screen-terminal-vertical -params 1.. -docstring '
screen-terminal-vertical <program> [<arguments>]: create a new terminal as a screen pane
The current pane is split into two, left and right
The program passed as argument will be executed in the new terminal' \
%{
screen-terminal-impl 'split -v' 'focus right' %arg{@}
}
complete-command screen-terminal-vertical shell
define-command screen-terminal-horizontal -params 1.. -docstring '
screen-terminal-horizontal <program> [<arguments>]: create a new terminal as a screen pane
The current pane is split into two, top and bottom
The program passed as argument will be executed in the new terminal' \
%{
screen-terminal-impl 'split -h' 'focus down' %arg{@}
}
complete-command screen-terminal-horizontal shell
define-command screen-terminal-window -params 1.. -docstring '
screen-terminal-window <program> [<arguments>]: create a new terminal as a screen window
The program passed as argument will be executed in the new terminal' \
%{
nop %sh{
tty="$(ps -o tty ${kak_client_pid} | tail -n 1)"
screen -X screen "$@" < "/dev/$tty"
}
}
complete-command screen-terminal-window shell
define-command screen-focus -params ..1 -docstring '
screen-focus [<client>]: focus the given client
If no client is passed then the current one is used' \
%{
evaluate-commands %sh{
if [ $# -eq 1 ]; then
printf %s\\n "
evaluate-commands -client '$1' focus
"
elif [ -n "${kak_client_env_STY}" ]; then
tty="$(ps -o tty ${kak_client_pid} | tail -n 1)"
screen -X select "${kak_client_env_WINDOW}" < "/dev/$tty"
fi
}
}
complete-command -menu screen-focus client
alias global focus screen-focus
}