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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
if [[ $bleopt_menu_desc_multicolumn_width ]]; then
ncolumn=$((cols/bleopt_menu_desc_multicolumn_width))
local nrest_item=$((${#menu_items[@]}-begin))
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=$(((nrest_item+nline-1)/nline))
((ncolumn>ncolumn_max&&(ncolumn=ncolumn_max)))
local wcolumn=$(((cols-${#colsep}*(ncolumn-1))/ncolumn))
local wcand_limit=$(((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/clear
}
## @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'
ble-bind -f C-S-i 'menu/backward cyclic'
ble-bind -f S-TAB 'menu/backward cyclic'
ble-bind -f C-n 'menu/forward-line'
ble-bind -f down 'menu/forward-line'
ble-bind -f C-p 'menu/backward-line'
ble-bind -f up 'menu/backward-line'
ble-bind -f prior 'menu/backward-page'
ble-bind -f next 'menu/forward-page'
ble-bind -f home 'menu/beginning-of-page'
ble-bind -f end 'menu/end-of-page'