tmux-fingers/scripts/fingers.sh

#!/usr/bin/env bash

CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
source $CURRENT_DIR/config.sh
source $CURRENT_DIR/actions.sh
source $CURRENT_DIR/hints.sh

FINGERS_COPY_COMMAND=$(tmux show-option -gqv @fingers-copy-command)

current_pane_id=$1
fingers_pane_id=$2
tmp_path=$3

BACKSPACE=$'\177'

function clear_screen() {
  clear
  tmux clearhist -t $fingers_pane_id
}

function has_capitals() {
  echo $1 | grep [A-Z] | wc -l
}

clear_screen
print_hints
tmux swap-pane -s "$current_pane_id" -t "$fingers_pane_id"

function handle_exit() {
  tmux swap-pane -s "$current_pane_id" -t "$fingers_pane_id"
  tmux kill-pane -t "$fingers_pane_id"
  rm -rf $tmp_path
}

function copy_result() {
  local result=$1

  clear
  echo -n "$result"
  start_copy_mode
  top_of_buffer
  start_of_line
  start_selection
  end_of_line
  cursor_left
  copy_selection

  if [ ! -z "$FINGERS_COPY_COMMAND" ]; then
    echo -n "$result" | eval "nohup $FINGERS_COPY_COMMAND" > /dev/null
  fi
}

trap "handle_exit" EXIT

input=''
while read -r -s -n1 char
do
  if [[ $char == "$BACKSPACE" ]]; then
    input=""
  else
    input="$input$char"
  fi

  result=$(lookup_match "$input")

  tmux display-message "$input"

  if [[ -z $result ]]; then
    continue
  fi

  copy_result "$result"
  revert_to_original_pane $current_pane_id $fingers_pane_id

  exit 0
done < /dev/tty