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#!/bin/sh
# tmux prefix+E (select-layout -E): spread panes out evenly. tmux evens out the
# current pane and its neighbours; this evens every split in the tab -- each
# split's ratio becomes its share of the panes along that direction -- over
# the socket's layout.set_split_ratio, which keeps every pane running. herdr
# clamps ratios to 0.1-0.9, so past ten panes in a row they cannot be equal.
. "$(dirname "$0")/../lib.sh"
tab="$(pane_info "$(active_pane)" tab_id)"
api "{\"id\":\"tmux-mode\",\"method\":\"layout.export\",\"params\":{\"tab_id\":\"$tab\"}}" \
| jq -c --arg tab "$tab" '
def cells($d): if .type == "split" and .direction == $d
then (.first | cells($d)) + (.second | cells($d)) else 1 end;
def splits($p): if .type == "split" then
.direction as $d
| {path: $p, ratio: ((.first | cells($d)) / ((.first | cells($d)) + (.second | cells($d))))},
(.first | splits($p + [false])),
(.second | splits($p + [true]))
else empty end;
.result.layout.root | splits([])
| {id: "tmux-mode", method: "layout.set_split_ratio",
params: {tab_id: $tab, path: .path, ratio: .ratio}}' \
| while IFS= read -r req; do
api "$req" >/dev/null
done
|
