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#!/hint/zsh
local tmp_dir=${TMPPREFIX:-/tmp/zsh}-fzf-tab-$USER
[[ -d $tmp_dir ]] || command mkdir $tmp_dir
local ftb_preview_init="
zmodload zsh/mapfile
local -a _ftb_compcap=(\"\${(@f)mapfile[$tmp_dir/compcap.$$]}\")
local -a _ftb_groups=(\"\${(@f)mapfile[$tmp_dir/groups.$$]}\")
local bs=\$'\2'
# get descriptoin
export desc=\${\${\"\$(<{f})\"%\$'\0'*}#*\$'\0'}
# get ctxt for current completion
local -A ctxt=(\"\${(@0)\${_ftb_compcap[(r)\${(b)desc}\$bs*]#*\$bs}}\")
# get group
if (( \$+ctxt[group] )); then
export group=\$_ftb_groups[\$ctxt[group]]
fi
# get original word
export word=\${(Q)ctxt[word]}
# get real path if it is file
if (( \$+ctxt[realdir] )); then
export realpath=\${ctxt[realdir]}\$word
fi
"
local binds=tab:down,btab:up,change:top,ctrl-space:toggle
local fzf_command fzf_flags fzf_preview debug_command tmp switch_group fzf_pad
local ret=0
-ftb-zstyle -s fzf-command fzf_command || fzf_command=fzf
-ftb-zstyle -a fzf-bindings tmp && binds+=,${(j:,:)tmp}
-ftb-zstyle -a fzf-flags fzf_flags
-ftb-zstyle -s fzf-preview fzf_preview
-ftb-zstyle -a switch-group switch_group || switch_group=(F1 F2)
-ftb-zstyle -s fzf-pad fzf_pad || fzf_pad=2
-ftb-zstyle -a debug-command debug_command && {
${(eX)debug_command} $fzf_flags
return
}
print -rl -- $_ftb_compcap > $tmp_dir/compcap.$$
print -rl -- $_ftb_groups > $tmp_dir/groups.$$
print -r -- ${ftb_preview_init/{f}/\$1} > $tmp_dir/ftb_preview_init.$$
binds=${binds//{_FTB_INIT_}/. $tmp_dir/ftb_preview_init.$$ {f} $'\n'}
local -i header_lines=$#_ftb_headers
local -i lines=$(( $#_ftb_compcap + fzf_pad + header_lines ))
local reload_command="$commands[zsh] -f $FZF_TAB_HOME/lib/ftb-switch-group $$ $header_lines $tmp_dir"
# detect if we will use tmux popup
local use_tmux_popup=0
if [[ $fzf_command == "ftb-tmux-popup" ]]; then
use_tmux_popup=1
fi
if (( ! use_tmux_popup )); then
# fzf will cause the current line to refresh, so move the cursor down.
echoti cud1 >/dev/tty
# reset cursor before call fzf
echoti cnorm >/dev/tty 2>/dev/null
fi
cat > $tmp_dir/completions.$$
local dd='gdd'
if (( ${+commands[$dd]} == 0 )) ; then
dd='dd'
fi
if (( ${+commands[$dd]} == 0 )) ; then
dd='true' # nop if dd is not installed
fi
_ftb_query="${_ftb_query}$(command "$dd" bs=1G count=1 status=none iflag=nonblock < /dev/tty 2>/dev/null)" || true
$fzf_command \
--ansi \
--bind=$binds \
--bind="${switch_group[1]}:reload($reload_command -1),${switch_group[2]}:reload($reload_command 1)" \
--color=hl:$(( header_lines == 0 ? 188 : 255 )) \
--cycle \
--delimiter='\x00' \
--expect=$continuous_trigger,$print_query,$accept_line \
--header-lines=$header_lines \
--height=${FZF_TMUX_HEIGHT:=$(( lines > LINES / 3 * 2 ? LINES / 3 * 2 : lines ))} \
--layout=reverse \
--multi \
--nth=2,3 \
--print-query \
--query=$_ftb_query \
--tiebreak=begin \
${fzf_preview:+--preview=$ftb_preview_init$fzf_preview} \
$fzf_flags < $tmp_dir/completions.$$ || ret=$?
if (( ! use_tmux_popup )); then
echoti civis >/dev/tty 2>/dev/null
echoti cuu1 >/dev/tty
fi
command rm $tmp_dir/*.$$ 2>/dev/null
return $ret
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