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core-complete.sh
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core-complete.sh
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#!/bin/bash
ble/util/import "$_ble_base/lib/core-syntax.sh"
## @fn ble/complete/string#search-longest-suffix-in needle haystack
## @var[out] ret
function ble/complete/string#search-longest-suffix-in {
local needle=$1 haystack=$2
local l=0 u=${#needle}
while ((l<u)); do
local m=$(((l+u)/2))
if [[ $haystack == *"${needle:m}"* ]]; then
u=$m
else
l=$((m+1))
fi
done
ret=${needle:l}
}
## @fn ble/complete/string#common-suffix-prefix lhs rhs
## @var[out] ret
function ble/complete/string#common-suffix-prefix {
local lhs=$1 rhs=$2
if ((${#lhs}<${#rhs})); then
local i n=${#lhs}
for ((i=0;i<n;i++)); do
ret=${lhs:i}
[[ $rhs == "$ret"* ]] && return 0
done
ret=
else
local j m=${#rhs}
for ((j=m;j>0;j--)); do
ret=${rhs::j}
[[ $lhs == *"$ret" ]] && return 0
done
ret=
fi
}
## @fn ble/complete/get-wordbreaks
## @var[out] wordbreaks
function ble/complete/get-wordbreaks {
wordbreaks=$_ble_term_IFS$COMP_WORDBREAKS
[[ $wordbreaks == *'('* ]] && wordbreaks=${wordbreaks//['()']}'()'
[[ $wordbreaks == *']'* ]] && wordbreaks=']'${wordbreaks//']'}
[[ $wordbreaks == *'-'* ]] && wordbreaks=${wordbreaks//'-'}'-'
}
#
#==============================================================================
# 選択インターフェイス (ble/complete/menu)
## @arr _ble_complete_menu_icons
##
## 各要素は以下の形式の文字列である。
##
## x0,y0,x1,y1,${#pack},${#esc1}[,bbox]:$pack$esc1
##
## * x0,y0 と x1,y1 は menu 項目の描画開始点と終了点。
## * esc1 は実際に出力する描画シーケンス。
## * bbox は "x y cols lines" の形式をしていて、描画シーケンスを生成する際に
## 使った bbox の情報を格納する。これは特に truncate が起こった時に、選択状
## 態の描画を同じ条件で実行する時に参照する。
_ble_complete_menu_items=()
_ble_complete_menu_class=
_ble_complete_menu_param=
_ble_complete_menu_version=
_ble_complete_menu_page_style=
_ble_complete_menu_ipage=
_ble_complete_menu_offset=
_ble_complete_menu_icons=()
_ble_complete_menu_info_data=()
_ble_complete_menu_selected=-1
function ble/complete/menu#check-cancel {
((menu_iloop++%menu_interval==0)) &&
[[ :$comp_type: != *:sync:* ]] &&
ble/decode/has-input
}
## @fn ble/complete/menu-style:$menu_style/construct-page
## 候補一覧メニューの表示・配置を計算します。
##
## @var[out] x y esc
## @var[in] menu_style
## @arr[in] menu_items
## @var[in] menu_class menu_param
## @var[in] cols lines
##
## @fn ble/complete/menu-style:$menu_style/guess
## scroll 番目の候補がどのページにいるかを予測します。
## 可能性のある最初のページ番号 ipage を返します。
##
## @var[in] scroll
## @var[out] ipage begin end
## @var[in] cols lines
##
_ble_complete_menu_style_measure=()
_ble_complete_menu_style_icons=()
_ble_complete_menu_style_pages=()
#
# ble/complete/menu-style:align
#
## @fn ble/complete/menu#render-item item opts
## @var[in] cols lines
## Note: "$menu_class"/render-item の中で用いる。
## @var[out] x y ret
function ble/complete/menu#render-item {
# use custom renderer
if ble/is-function "$menu_class"/render-item; then
"$menu_class"/render-item "$@"
return "$?"
fi
local item=$1 opts=$2
#g=0 lc=0 lg=0 LINES=$lines COLUMNS=$cols ble/canvas/trace "$item" truncate:ellipsis
local sgr0=$_ble_term_sgr0 sgr1=$_ble_term_rev
[[ :$opts: == *:selected:* ]] && local sgr0=$sgr1 sgr1=$sgr0
ble/canvas/trace-text "$item" nonewline:external-sgr
ret=$sgr0$ret$_ble_term_sgr0
}
## @fn ble/complete/menu-style:align/construct/.measure-candidates-in-page
## その頁に入り切る範囲で候補の幅を計測する
## @var[in] begin
## その頁の一番最初に表示する候補を指定します。
## @var[out] end
## その頁に表示する候補の範囲の終端を返します。
## 実際には描画の際に全角文字などの文字送りによって
## ここまで表示できるとは限りません。
## @var[out] wcell
## その頁を描画する時のセル幅を返します。
## @arr[in,out] _ble_complete_menu_style_measure
## 計測結果をキャッシュしておく配列です。
##
## @var[in] lines cols menu_iloop
function ble/complete/menu-style:align/construct/.measure-candidates-in-page {
local max_wcell=$bleopt_menu_align_max; ((max_wcell>cols&&(max_wcell=cols)))
((wcell=bleopt_menu_align_min,wcell<2&&(wcell=2)))
local ncell=0 index=$begin
local item ret esc1 w
for item in "${menu_items[@]:begin}"; do
ble/complete/menu#check-cancel && return 148
local wcell_old=$wcell
# 候補の表示幅 w を計算
local w=${_ble_complete_menu_style_measure[index]%%:*}
if [[ ! $w ]]; then
local x=0 y=0
ble/complete/menu#render-item "$item"; esc1=$ret
local w=$((y*cols+x))
_ble_complete_menu_style_measure[index]=$w:${#item}:$item$esc1
fi
# wcell, ncell 更新
local wcell_request=$((w++,w<=max_wcell?w:max_wcell))
((wcell<wcell_request)) && wcell=$wcell_request
# 新しい ncell
local line_ncell=$((cols/wcell))
local cand_ncell=$(((w+wcell-1)/wcell))
if [[ $menu_style == align-nowrap ]]; then
# Note: nowrap が起こるのはすでに wcell == max_wcell の時なので、
# 改行処理が終わった後に wcell が変化するという事はない。
local x1=$((ncell%line_ncell*wcell))
local ncell_eol=$(((ncell/line_ncell+1)*line_ncell))
if ((x1>0&&x1+w>=cols)); then
# 行送り
((ncell=ncell_eol+cand_ncell))
elif ((x1+w<cols)); then
# 余白に収まる場合
((ncell+=cand_ncell))
((ncell>ncell_eol&&(ncell=ncell_eol)))
else
((ncell+=cand_ncell))
fi
else
((ncell+=cand_ncell))
fi
local max_ncell=$((line_ncell*lines))
((index&&ncell>max_ncell)) && { wcell=$wcell_old; break; }
((index++))
done
end=$index
}
## @fn ble/complete/menu-style:align/construct-page
## @var[in,out] begin end x y esc
## @arr[out] _ble_complete_menu_style_icons
##
## @var[in,out] cols lines menu_iloop
function ble/complete/menu-style:align/construct-page {
x=0 y=0 esc=
local wcell=2
ble/complete/menu-style:align/construct/.measure-candidates-in-page
(($?==148)) && return 148
local ncell=$((cols/wcell))
local index=$begin entry
for entry in "${_ble_complete_menu_style_measure[@]:begin:end-begin}"; do
ble/complete/menu#check-cancel && return 148
local w=${entry%%:*}; entry=${entry#*:}
local s=${entry%%:*}; entry=${entry#*:}
local item=${entry::s} esc1=${entry:s}
local x0=$x y0=$y
if ((x==0||x+w<cols)); then
((x+=w%cols,y+=w/cols))
((y>=lines&&(x=x0,y=y0,1))) && break
else
if [[ $menu_style == align-nowrap ]]; then
((y+1>=lines)) && break
esc=$esc$'\n'
((x0=x=0,y0=++y))
((x=w%cols,y+=w/cols))
((y>=lines&&(x=x0,y=y0,1))) && break
else
ble/complete/menu#render-item "$item" ||
((begin==index)) || # [Note: 少なくとも1個ははみ出ても表示する]
{ x=$x0 y=$y0; break; }; esc1=$ret
fi
fi
_ble_complete_menu_style_icons[index]=$x0,$y0,$x,$y,${#item},${#esc1}:$item$esc1
esc=$esc$esc1
# 候補と候補の間の空白
if ((++index<end)); then
local icell=$((x==0?0:(x+wcell)/wcell))
if ((icell<ncell)); then
# 次の升目
local pad=$((icell*wcell-x))
ble/string#reserve-prototype "$pad"
esc=$esc${_ble_string_prototype::pad}
((x=icell*wcell))
else
# 次の行
((y+1>=lines)) && break
esc=$esc$'\n'
((x=0,++y))
fi
fi
done
end=$index
}
function ble/complete/menu-style:align-nowrap/construct-page {
ble/complete/menu-style:align/construct-page "$@"
}
#
# ble/complete/menu-style:dense
#
## @fn ble/complete/menu-style:dense/construct-page
## @var[in,out] begin end x y esc
function ble/complete/menu-style:dense/construct-page {
x=0 y=0 esc=
local item index=$begin N=${#menu_items[@]}
for item in "${menu_items[@]:begin}"; do
ble/complete/menu#check-cancel && return 148
local x0=$x y0=$y esc1
ble/complete/menu#render-item "$item" ||
((index==begin)) ||
{ x=$x0 y=$y0; break; }; esc1=$ret
if [[ $menu_style == dense-nowrap ]]; then
if ((y>y0&&x>0||y>y0+1)); then
((++y0>=lines)) && break
esc=$esc$'\n'
((y=y0,x=x0=0))
ble/complete/menu#render-item "$item" ||
((begin==index)) ||
{ x=$x0 y=$y0; break; }; esc1=$ret
fi
fi
_ble_complete_menu_style_icons[index]=$x0,$y0,$x,$y,${#item},${#esc1}:$item$esc1
esc=$esc$esc1
# 候補と候補の間の空白
if ((++index<N)); then
if [[ $menu_style == dense-nowrap ]] && ((x==0)); then
: skip
elif ((x+1<cols)); then
esc=$esc' '
((x++))
else
((y+1>=lines)) && break
esc=$esc$'\n'
((x=0,++y))
fi
fi
done
end=$index
}
## @fn ble/complete/menu-style:dense/construct opts
## complete_menu_style=align{,-nowrap} に対して候補を配置します。
function ble/complete/menu-style:dense-nowrap/construct-page {
ble/complete/menu-style:dense/construct-page "$@"
}
#
# ble/complete/menu-style:linewise
#
## @fn ble/complete/menu-style:linewise/construct-page opts
## @var[in,out] begin end x y esc
function ble/complete/menu-style:linewise/construct-page {
local opts=$1 ret
local max_icon_width=$((cols-1))
local prefix_format=$bleopt_menu_linewise_prefix prefix_width=0
if [[ $prefix_format ]]; then
local prefix1
ble/util/sprintf prefix1 "$prefix_format" "${#menu_items[@]}"
local x1 y1 x2 y2
LINES=1 COLUMNS=$max_icon_width x=0 y=0 ble/canvas/trace "$prefix1" truncate:measure-bbox
if ((x2<=max_icon_width/2)); then
prefix_width=$x2
ble/string#reserve-prototype "$prefix_width"
fi
fi
local item x0 y0 esc1 index=$begin
end=$begin x=0 y=0 esc=
for item in "${menu_items[@]:begin:lines}"; do
ble/complete/menu#check-cancel && return 148
# prefix
if ((prefix_width)); then
local prefix1; ble/util/sprintf prefix1 "$prefix_format" "$((index+1))"
LINES=1 COLUMNS=$max_icon_width y=0 ble/canvas/trace "$prefix1" truncate:relative:measure-bbox; esc1=$ret
if ((x<prefix_width)); then
x=$prefix_width
esc=$esc${_ble_string_prototype::prefix_width-x}$esc1
else
esc=$esc$esc1
fi
fi
((x0=x,y0=y))
lines=1 cols=$max_icon_width y=0 ble/complete/menu#render-item "$item"; esc1=$ret
_ble_complete_menu_style_icons[index]=$x0,$y0,$x,$y,${#item},${#esc1}:$item$esc1
((index++))
esc=$esc$esc1
((y+1>=lines)) && break
((x=0,++y))
esc=$esc$'\n'
done
end=$index
}
function ble/complete/menu-style:linewise/guess {
((ipage=scroll/lines,
begin=ipage*lines,
end=begin))
}
#
# ble/complete/menu-style:desc
#
_ble_complete_menu_desc_pageheight=()
## @fn ble/complete/menu-style:desc/construct-page opts
## @var[in,out] begin end x y esc
## @var[in] ipage
function ble/complete/menu-style:desc/construct-page {
local opts=$1 ret
local opt_raw=; [[ $menu_style != desc-text ]] && opt_raw=1
# 失敗時・エラー時の既定値
end=$begin esc= x=0 y=0
local colsep=' | '
local desc_sgr0=$'\e[m'
ble/color/face2sgr-ansi syntax_quoted; local desc_sgrq=$ret
ble/color/face2sgr-ansi syntax_delimiter; local desc_sgrt=$ret
local ncolumn=1 nline=$lines
local nrest_item=$((${#menu_items[@]}-begin))
if [[ $bleopt_menu_desc_multicolumn_width ]]; then
ncolumn=$((cols/bleopt_menu_desc_multicolumn_width))
if ((ncolumn<1)); then
ncolumn=1
elif ((ncolumn>nrest_item)); then
ncolumn=$nrest_item
fi
fi
((nline=(${#menu_items[@]}-begin+ncolumn-1)/ncolumn,
nline>lines&&(nline=lines)))
local ncolumn_max=$(((nrest_item+nline-1)/nline))
((ncolumn>ncolumn_max&&(ncolumn=ncolumn_max)))
# Note #D1727: 相対移動の時は、右端に接すると端末による振る舞いの違
# いが問題になるので、右端に接しない様に col-1 にする。一部の端末
# については右端に接しても相対移動が壊れないと分かっているので、
# white list で右端に接する事を許可する。
local available_width=$cols
case $_ble_term_TERM in
(screen:*|tmux:*|kitty:*|contra:*) ;;
(*) ((available_width--)) ;;
esac
local wcolumn=$(((available_width-${#colsep}*(ncolumn-1))/ncolumn))
local wcand_limit=$(((wcolumn+1)*2/3))
((wcand_limit<10&&(wcand_limit=wcolumn)))
local -a DRAW_BUFF=()
local index=$begin icolumn ymax=0
for ((icolumn=0;icolumn<ncolumn;icolumn++)); do
# 各候補を描画して幅を計算する
local measure; measure=()
local pack w esc1 max_width=0
for pack in "${menu_items[@]:index:nline}"; do
ble/complete/menu#check-cancel && return 148
x=0 y=0
lines=1 cols=$wcand_limit ble/complete/menu#render-item "$pack"; esc1=$ret
((w=y*wcolumn+x,w>max_width&&(max_width=w)))
ble/array#push measure "$w:${#pack}:$pack$esc1"
done
local cand_width=$max_width
local desc_x=$((cand_width+1)); ((desc_x>wcolumn&&(desc_x=wcolumn)))
local desc_prefix=; ((wcolumn-desc_x>30)) && desc_prefix=': '
local xcolumn=$((icolumn*(wcolumn+${#colsep})))
x=0 y=0
local entry w s pack esc1 x0 y0 pad
for entry in "${measure[@]}"; do
ble/complete/menu#check-cancel && return 148
w=${entry%%:*} entry=${entry#*:}
s=${entry%%:*} entry=${entry#*:}
pack=${entry::s} esc1=${entry:s}
# 候補表示
((x0=x,y0=y,x+=w))
_ble_complete_menu_style_icons[index]=$((xcolumn+x0)),$y0,$((xcolumn+x)),$y,${#pack},${#esc1},"0 0 $wcand_limit 1":$pack$esc1
((index++))
ble/canvas/put.draw "$esc1"
# 余白
ble/canvas/put-spaces.draw "$((pad=desc_x-x))"
ble/canvas/put.draw "$desc_prefix"
((x+=pad+${#desc_prefix}))
# 説明表示
local desc=$desc_sgrt'(no description)'$desc_sgr0
ble/function#try "$menu_class"/get-desc "$pack"
if [[ $opt_raw ]]; then
y=0 g=0 lc=0 lg=0 LINES=1 COLUMNS=$wcolumn ble/canvas/trace.draw "$desc" truncate:relative:ellipsis
else
y=0 lines=1 cols=$wcolumn ble/canvas/trace-text "$desc" nonewline
ble/canvas/put.draw "$ret"
fi
ble/canvas/put.draw "$_ble_term_sgr0"
((y+1>=nline)) && break
ble/canvas/put-move.draw "$((-x))" 1
((x=0,++y))
done
((y>ymax)) && ymax=$y
if ((icolumn+1<ncolumn)); then
# カラム仕切りを出力 (最後に次のカラムの先頭に移動)
ble/canvas/put-move.draw "$((wcolumn-x))" "$((-y))"
for ((y=0;y<=ymax;y++)); do
ble/canvas/put.draw "$colsep"
if ((y<ymax)); then
ble/canvas/put-move.draw -${#colsep} 1
else
ble/canvas/put-move-y.draw "$((-y))"
fi
done
else
((y<ymax)) && ble/canvas/put-move-y.draw "$((ymax-y))"
((x+=xcolumn,y=ymax))
fi
done
_ble_complete_menu_desc_pageheight[ipage]=$nline
end=$index
ble/canvas/sflush.draw -v esc
}
function ble/complete/menu-style:desc/guess {
local ncolumn=1
if [[ $bleopt_menu_desc_multicolumn_width ]]; then
ncolumn=$((cols/bleopt_menu_desc_multicolumn_width))
((ncolumn<1)) && ncolumn=1
fi
local nitem_per_page=$((ncolumn*lines))
((ipage=scroll/nitem_per_page,
begin=ipage*nitem_per_page,
end=begin))
}
function ble/complete/menu-style:desc/locate {
local type=$1 osel=$2
local ipage=$_ble_complete_menu_ipage
local nline=${_ble_complete_menu_desc_pageheight[ipage]:-1}
case $type in
(right) ((ret=osel+nline)) ;;
(left) ((ret=osel-nline)) ;;
(down) ((ret=osel+1)) ;;
(up) ((ret=osel-1)) ;;
(*) return 1 ;;
esac
local beg=$_ble_complete_menu_offset
local end=$((beg+${#_ble_complete_menu_icons[@]}))
if ((ret<beg)); then
((ret=beg-1))
elif ((ret>end)); then
((ret=end))
fi
return 0
}
function ble/complete/menu-style:desc-text/construct-page { ble/complete/menu-style:desc/construct-page "$@"; }
function ble/complete/menu-style:desc-text/guess { ble/complete/menu-style:desc/guess; }
function ble/complete/menu-style:desc-text/locate { ble/complete/menu-style:desc/locate "$@"; }
# Obsolete menu_style (now synonym to "desc")
function ble/complete/menu-style:desc-raw/construct-page { ble/complete/menu-style:desc/construct-page "$@"; }
function ble/complete/menu-style:desc-raw/guess { ble/complete/menu-style:desc/guess; }
function ble/complete/menu-style:desc-raw/locate { ble/complete/menu-style:desc/locate "$@"; }
## @fn ble/complete/menu#construct/.initialize-size
## @var[out] cols lines
function ble/complete/menu#construct/.initialize-size {
ble/edit/info/.initialize-size
local maxlines=$((bleopt_complete_menu_maxlines))
((maxlines>0&&lines>maxlines)) && lines=$maxlines
}
## @fn ble/complete/menu#construct menu_opts
## 実装分離の adapter 部分
##
## @var[in] menu_style
##
## @arr[in] menu_items
## 項目のリストを指定します。
##
## @var[in] menu_class menu_param
## 以下に掲げる様々な callback を呼び出す為の変数です。
##
## @fn[in,opt] $menu_class/render-item item opts
## 各項目に対応する描画内容を決定する renderer 関数を指定します。
## @param[in] item
## 描画される項目を指定します。
## @param[in] opts
## selected
## 選択されている項目の描画を行う事を示します。
## @var[in] lines cols
## 描画範囲の行数と列数を指定します。
## @var[in,out] x y
## 描画開始位置を指定します。終了位置を返します。
## @var[out] ret
## 描画に用いるシーケンスを返します。
##
## @fn[in,opt] $menu_class/onselect nsel osel
## 項目が選択された時に呼び出される callback を指定します。
## @param[in] nsel osel
##
## @fn[in,opt] $menu_class/get-desc item
## 項目の説明を取得します。
## @param[out] desc
##
## @fn[in,opt] $menu_class/onaccept nsel [item]
## @fn[in,opt] $menu_class/oncancel nsel
##
function ble/complete/menu#construct {
local menu_opts=$1
local menu_iloop=0
local menu_interval=$bleopt_complete_polling_cycle
local cols lines
ble/complete/menu#construct/.initialize-size
local nitem=${#menu_items[@]}
local version=$nitem:$lines:$cols
# 項目がない時の特別表示
if ((nitem==0)); then
_ble_complete_menu_version=$version
_ble_complete_menu_items=()
_ble_complete_menu_page_style=
_ble_complete_menu_ipage=0
_ble_complete_menu_offset=0
_ble_complete_menu_icons=()
_ble_complete_menu_info_data=(ansi $'\e[38;5;242m(no items)\e[m')
_ble_complete_menu_selected=-1
return 0
fi
# 表示したい項目の指定
local scroll=0 rex=':scroll=([0-9]+):' use_cache=
if [[ :$menu_opts: =~ $rex ]]; then
scroll=${BASH_REMATCH[1]}
((nitem&&(scroll%=nitem)))
[[ $_ble_complete_menu_version == $version ]] && use_cache=1
fi
if [[ ! $use_cache ]]; then
_ble_complete_menu_style_measure=()
_ble_complete_menu_style_icons=()
_ble_complete_menu_style_pages=()
fi
local begin=0 end=0 ipage=0 x y esc
ble/function#try ble/complete/menu-style:"$menu_style"/guess
while ((end<nitem)); do
((scroll<begin)) && return 1
local page_data=${_ble_complete_menu_style_pages[ipage]}
if [[ $page_data ]]; then
# キャッシュがある時はキャッシュから読み取り
local fields; ble/string#split fields , "${page_data%%:*}"
begin=${fields[0]} end=${fields[1]}
if ((begin<=scroll&&scroll<end)); then
x=${fields[2]} y=${fields[3]} esc=${page_data#*:}
break
fi
else
# キャッシュがない時は頁を構築
ble/complete/menu-style:"$menu_style"/construct-page "$menu_opts" || return "$?"
_ble_complete_menu_style_pages[ipage]=$begin,$end,$x,$y:$esc
((begin<=scroll&&scroll<end)) && break
fi
begin=$end
((ipage++))
done
_ble_complete_menu_version=$version
_ble_complete_menu_items=("${menu_items[@]}")
_ble_complete_menu_class=$menu_class
_ble_complete_menu_param=$menu_param
_ble_complete_menu_page_style=$menu_style
_ble_complete_menu_ipage=$ipage
_ble_complete_menu_offset=$begin
_ble_complete_menu_icons=("${_ble_complete_menu_style_icons[@]:begin:end-begin}")
_ble_complete_menu_info_data=(store "$x" "$y" "$esc")
_ble_complete_menu_selected=-1
return 0
}
function ble/complete/menu#show {
ble/edit/info/immediate-show "${_ble_complete_menu_info_data[@]}"
}
function ble/complete/menu#clear {
ble/edit/info/default
}
## @fn ble/complete/menu#select index [opts]
## @param[in] opts
## goto-page-top
## 指定した項目を含む頁に移動した後に、
## その頁の一番上の項目に移動する事を指定します。
function ble/complete/menu#select {
local menu_class=$_ble_complete_menu_class
local menu_param=$_ble_complete_menu_param
local osel=$_ble_complete_menu_selected nsel=$1 opts=$2
local ncand=${#_ble_complete_menu_items[@]}
((0<=osel&&osel<ncand)) || osel=-1
((0<=nsel&&nsel<ncand)) || nsel=-1
((osel==nsel)) && return 0
local infox infoy
ble/canvas/panel#get-origin "$_ble_edit_info_panel" --prefix=info
# ページ更新
local visible_beg=$_ble_complete_menu_offset
local visible_end=$((visible_beg+${#_ble_complete_menu_icons[@]}))
if ((nsel>=0&&!(visible_beg<=nsel&&nsel<visible_end))); then
ble/complete/menu/show filter:load-filtered-data:scroll="$nsel"; local ext=$?
((ext)) && return "$ext"
if [[ $_ble_complete_menu_ipage ]]; then
local ipage=$_ble_complete_menu_ipage
ble/term/visible-bell "menu: Page $((ipage+1))" persistent
else
ble/term/visible-bell "menu: Offset $_ble_complete_menu_offset/$ncand" persistent
fi
visible_beg=$_ble_complete_menu_offset
visible_end=$((visible_beg+${#_ble_complete_menu_icons[@]}))
# スクロールに対応していない menu_style や、スクロールしすぎた時の為。
((visible_end<=nsel&&(nsel=visible_end-1)))
((nsel<=visible_beg&&(nsel=visible_beg)))
((visible_beg<=osel&&osel<visible_end)) || osel=-1
fi
local -a DRAW_BUFF=()
local ret; ble/canvas/panel/save-position; local pos0=$ret
if ((osel>=0)); then
# 消去
local entry=${_ble_complete_menu_icons[osel-visible_beg]}
local fields text=${entry#*:}
ble/string#split fields , "${entry%%:*}"
if ((fields[3]<_ble_canvas_panel_height[_ble_edit_info_panel])); then
# Note: 編集文字列の内容の変化により info panel が削れている事がある。
# 現在の項目がちゃんと info panel の中にある時にだけ描画する。(#D0880)
ble/canvas/panel#goto.draw "$_ble_edit_info_panel" "${fields[@]::2}"
ble/canvas/put.draw "${text:fields[4]}"
_ble_canvas_x=${fields[2]} _ble_canvas_y=$((infoy+fields[3]))
fi
fi
local value=
if ((nsel>=0)); then
[[ :$opts: == *:goto-page-top:* ]] && nsel=$visible_beg
local entry=${_ble_complete_menu_icons[nsel-visible_beg]}
local fields text=${entry#*:}
ble/string#split fields , "${entry%%:*}"
local x=${fields[0]} y=${fields[1]}
local item=${text::fields[4]}
# construct reverted candidate
local ret
if [[ ${fields[6]} ]]; then
local box cols lines
ble/string#split-words box "${fields[6]}"
x=${box[0]} y=${box[1]} cols=${box[2]} lines=${box[3]}
ble/complete/menu#render-item "$item" selected
((x+=fields[0]-box[0]))
((y+=fields[1]-box[1]))
else
local cols lines
ble/complete/menu#construct/.initialize-size
ble/complete/menu#render-item "$item" selected
fi
if ((y<_ble_canvas_panel_height[_ble_edit_info_panel])); then
# Note: 編集文字列の内容の変化により info panel が削れている事がある。
# 現在の項目がちゃんと info panel の中にある時にだけ描画する。(#D0880)
ble/canvas/panel#goto.draw "$_ble_edit_info_panel" "${fields[@]::2}"
ble/canvas/put.draw "$ret"
_ble_canvas_x=$x _ble_canvas_y=$((infoy+y))
fi
_ble_complete_menu_selected=$nsel
else
_ble_complete_menu_selected=-1
value=$_ble_complete_menu_original
fi
ble/canvas/panel/load-position.draw "$pos0"
ble/canvas/bflush.draw
ble/function#try "$menu_class"/onselect "$nsel" "$osel"
return 0
}
# widgets
function ble/widget/menu/forward {
local opts=$1
local nsel=$((_ble_complete_menu_selected+1))
local ncand=${#_ble_complete_menu_items[@]}
if ((nsel>=ncand)); then
if [[ :$opts: == *:cyclic:* ]] && ((ncand>=2)); then
nsel=0
else
ble/widget/.bell "menu: no more candidates"
return 1
fi
fi
ble/complete/menu#select "$nsel"
}
function ble/widget/menu/backward {
local opts=$1
local nsel=$((_ble_complete_menu_selected-1))
if ((nsel<0)); then
local ncand=${#_ble_complete_menu_items[@]}
if [[ :$opts: == *:cyclic:* ]] && ((ncand>=2)); then
((nsel=ncand-1))
else
ble/widget/.bell "menu: no more candidates"
return 1
fi
fi
ble/complete/menu#select "$nsel"
}
function ble/widget/menu/forward-column {
local osel=$((_ble_complete_menu_selected))
if local ret; ble/function#try ble/complete/menu-style:"$_ble_complete_menu_page_style"/locate right "$osel"; then
local nsel=$ret ncand=${#_ble_complete_menu_items[@]}
if ((0<=nsel&&nsel<ncand&&nsel!=osel)); then
ble/complete/menu#select "$nsel"
else
ble/widget/.bell "menu: no more candidates"
fi
else
ble/widget/menu/forward
fi
}
function ble/widget/menu/backward-column {
local osel=$((_ble_complete_menu_selected))
if local ret; ble/function#try ble/complete/menu-style:"$_ble_complete_menu_page_style"/locate left "$osel"; then
local nsel=$ret ncand=${#_ble_complete_menu_items[@]}
if ((0<=nsel&&nsel<ncand&&nsel!=osel)); then
ble/complete/menu#select "$nsel"
else
ble/widget/.bell "menu: no more candidates"
fi
else
ble/widget/menu/backward
fi
}
_ble_complete_menu_lastcolumn=
## @fn ble/widget/menu/.check-last-column
## @var[in,out] ox
function ble/widget/menu/.check-last-column {
if [[ $_ble_complete_menu_lastcolumn ]]; then
local lastwidget=${LASTWIDGET%%' '*}
if [[ $lastwidget == ble/widget/menu/forward-line ||
$lastwidget == ble/widget/menu/backward-line ]]
then
ox=$_ble_complete_menu_lastcolumn
return 0
fi
fi
_ble_complete_menu_lastcolumn=$ox
}
## @fn ble/widget/menu/.goto-column column
## 現在行の中で指定した列に対応する要素に移動する。
## @param[in] column
function ble/widget/menu/.goto-column {
local column=$1
local offset=$_ble_complete_menu_offset
local osel=$_ble_complete_menu_selected
((osel>=0)) || return 1
local entry=${_ble_complete_menu_icons[osel-offset]}
local fields; ble/string#split fields , "${entry%%:*}"
local ox=${fields[0]} oy=${fields[1]}
local nsel=-1
if ((ox<column)); then
# forward search within the line
nsel=$osel
for entry in "${_ble_complete_menu_icons[@]:osel+1-offset}"; do
ble/string#split fields , "${entry%%:*}"
local x=${fields[0]} y=${fields[1]}
((y==oy&&x<=column)) || break
((nsel++))
done
elif ((ox>column)); then
# backward search within the line
local i=$osel
while ((--i>=offset)); do
entry=${_ble_complete_menu_icons[i-offset]}
ble/string#split fields , "${entry%%:*}"
local x=${fields[0]} y=${fields[1]}
((y<oy||x<=column&&(nsel=i,1))) && break
done
fi
((nsel>=0&&nsel!=osel)) &&
ble/complete/menu#select "$nsel"
}
function ble/widget/menu/forward-line {
local offset=$_ble_complete_menu_offset
local osel=$_ble_complete_menu_selected
((osel>=0)) || return 1
local nsel=-1 goto_column=
if local ret; ble/function#try ble/complete/menu-style:"$_ble_complete_menu_page_style"/locate down "$osel"; then
nsel=$ret
else
local entry=${_ble_complete_menu_icons[osel-offset]}
local fields; ble/string#split fields , "${entry%%:*}"
local ox=${fields[0]} oy=${fields[1]}
ble/widget/menu/.check-last-column
local i=$osel nsel=-1 is_next_page=
for entry in "${_ble_complete_menu_icons[@]:osel+1-offset}"; do
ble/string#split fields , "${entry%%:*}"
local x=${fields[0]} y=${fields[1]}
((y<=oy||y==oy+1&&x<=ox||nsel<0)) || break
((++i,y>oy&&(nsel=i)))
done
((nsel<0&&(is_next_page=1,nsel=offset+${#_ble_complete_menu_icons[@]})))
((is_next_page)) && goto_column=$ox
fi
local ncand=${#_ble_complete_menu_items[@]}
if ((0<=nsel&&nsel<ncand)); then
ble/complete/menu#select "$nsel"
[[ $goto_column ]] && ble/widget/menu/.goto-column "$goto_column"
return 0
else
ble/widget/.bell 'menu: no more candidates'
return 1
fi
}
function ble/widget/menu/backward-line {
local offset=$_ble_complete_menu_offset
local osel=$_ble_complete_menu_selected
((osel>=0)) || return 1
local nsel=-1 goto_column=
if local ret; ble/function#try ble/complete/menu-style:"$_ble_complete_menu_page_style"/locate up "$osel"; then
nsel=$ret
else
local entry=${_ble_complete_menu_icons[osel-offset]}
local fields; ble/string#split fields , "${entry%%:*}"
local ox=${fields[0]} oy=${fields[1]}
ble/widget/menu/.check-last-column
local nsel=$osel
while ((--nsel>=offset)); do
entry=${_ble_complete_menu_icons[nsel-offset]}
ble/string#split fields , "${entry%%:*}"
local x=${fields[0]} y=${fields[1]}
((y<oy-1||y==oy-1&&x<=ox)) && break
done
((0<=nsel&&nsel<offset)) && goto_column=$ox
fi
local ncand=${#_ble_complete_menu_items[@]}
if ((0<=nsel&&nsel<ncand)); then
ble/complete/menu#select "$nsel"
[[ $goto_column ]] && ble/widget/menu/.goto-column "$goto_column"
else
ble/widget/.bell 'menu: no more candidates'
return 1
fi
}
function ble/widget/menu/backward-page {
if ((_ble_complete_menu_offset>0)); then
ble/complete/menu#select "$((_ble_complete_menu_offset-1))" goto-page-top
else
ble/widget/.bell "menu: this is the first page."
return 1
fi
}
function ble/widget/menu/forward-page {
local next=$((_ble_complete_menu_offset+${#_ble_complete_menu_icons[@]}))
if ((next<${#_ble_complete_menu_items[@]})); then
ble/complete/menu#select "$next"
else
ble/widget/.bell "menu: this is the last page."
return 1
fi
}
function ble/widget/menu/beginning-of-page {
ble/complete/menu#select "$_ble_complete_menu_offset"
}
function ble/widget/menu/end-of-page {
local nicon=${#_ble_complete_menu_icons[@]}
((nicon)) && ble/complete/menu#select "$((_ble_complete_menu_offset+nicon-1))"
}
function ble/widget/menu/cancel {
ble/decode/keymap/pop
ble/complete/menu#clear
"$_ble_complete_menu_class"/oncancel
}
function ble/widget/menu/accept {
ble/decode/keymap/pop
ble/complete/menu#clear
local nsel=$_ble_complete_menu_selected
local hook=$_ble_complete_menu_accept_hook
_ble_complete_menu_accept_hook=
if ((nsel>=0)); then
"$_ble_complete_menu_class"/onaccept "$nsel" "${_ble_complete_menu_items[nsel]}"
else
"$_ble_complete_menu_class"/onaccept "$nsel"
fi
}
function ble-decode/keymap:menu/define {
# ble-bind -f __defchar__ menu_complete/self-insert
# ble-bind -f __default__ 'menu_complete/exit-default'
ble-bind -f __default__ 'bell'
ble-bind -f __line_limit__ nop
ble-bind -f C-m 'menu/accept'
ble-bind -f RET 'menu/accept'
ble-bind -f C-g 'menu/cancel'
ble-bind -f 'C-x C-g' 'menu/cancel'
ble-bind -f 'C-M-g' 'menu/cancel'
ble-bind -f C-f 'menu/forward-column'
ble-bind -f right 'menu/forward-column'
ble-bind -f C-i 'menu/forward cyclic'
ble-bind -f TAB 'menu/forward cyclic'
ble-bind -f C-b 'menu/backward-column'
ble-bind -f left 'menu/backward-column'