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authorVasil Zlatanov <vasil.zlatanov@gmail.com>2015-08-18 01:54:42 +0200
committerVasil Zlatanov <vasil.zlatanov@gmail.com>2015-08-18 01:54:42 +0200
commite26958b154d0457c1019bc48a5ff0ed637cf3eac (patch)
treed11a37bb0e2a6916b3ffb421aab9cf68e5f3bba6 /Editor/vim/plugin/cecutil.vim
parent9d56811c86e81cbc70f03cde70e5a62378c187ef (diff)
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+" cecutil.vim : save/restore window position
+" save/restore mark position
+" save/restore selected user maps
+" Author: Charles E. Campbell
+" Version: 18i NOT RELEASED
+" Date: Oct 21, 2013
+"
+" Saving Restoring Destroying Marks: {{{1
+" call SaveMark(markname) let savemark= SaveMark(markname)
+" call RestoreMark(markname) call RestoreMark(savemark)
+" call DestroyMark(markname)
+" commands: SM RM DM
+"
+" Saving Restoring Destroying Window Position: {{{1
+" call SaveWinPosn() let winposn= SaveWinPosn()
+" call RestoreWinPosn() call RestoreWinPosn(winposn)
+" \swp : save current window/buffer's position
+" \rwp : restore current window/buffer's previous position
+" commands: SWP RWP
+"
+" Saving And Restoring User Maps: {{{1
+" call SaveUserMaps(mapmode,maplead,mapchx,suffix)
+" call RestoreUserMaps(suffix)
+"
+" GetLatestVimScripts: 1066 1 :AutoInstall: cecutil.vim
+"
+" You believe that God is one. You do well. The demons also {{{1
+" believe, and shudder. But do you want to know, vain man, that
+" faith apart from works is dead? (James 2:19,20 WEB)
+"redraw!|call inputsave()|call input("Press <cr> to continue")|call inputrestore()
+
+" ---------------------------------------------------------------------
+" Load Once: {{{1
+if &cp || exists("g:loaded_cecutil")
+ finish
+endif
+let g:loaded_cecutil = "v18h"
+let s:keepcpo = &cpo
+set cpo&vim
+"DechoRemOn
+
+" =======================
+" Public Interface: {{{1
+" =======================
+
+" ---------------------------------------------------------------------
+" Map Interface: {{{2
+if !hasmapto('<Plug>SaveWinPosn')
+ map <unique> <Leader>swp <Plug>SaveWinPosn
+endif
+if !hasmapto('<Plug>RestoreWinPosn')
+ map <unique> <Leader>rwp <Plug>RestoreWinPosn
+endif
+nmap <silent> <Plug>SaveWinPosn :call SaveWinPosn()<CR>
+nmap <silent> <Plug>RestoreWinPosn :call RestoreWinPosn()<CR>
+
+" ---------------------------------------------------------------------
+" Command Interface: {{{2
+com! -bar -nargs=0 SWP call SaveWinPosn()
+com! -bar -nargs=? RWP call RestoreWinPosn(<args>)
+com! -bar -nargs=1 SM call SaveMark(<q-args>)
+com! -bar -nargs=1 RM call RestoreMark(<q-args>)
+com! -bar -nargs=1 DM call DestroyMark(<q-args>)
+
+com! -bar -nargs=1 WLR call s:WinLineRestore(<q-args>)
+
+if v:version < 630
+ let s:modifier= "sil! "
+else
+ let s:modifier= "sil! keepj "
+endif
+
+" ===============
+" Functions: {{{1
+" ===============
+
+" ---------------------------------------------------------------------
+" SaveWinPosn: {{{2
+" let winposn= SaveWinPosn() will save window position in winposn variable
+" call SaveWinPosn() will save window position in b:cecutil_winposn{b:cecutil_iwinposn}
+" let winposn= SaveWinPosn(0) will *only* save window position in winposn variable (no stacking done)
+fun! SaveWinPosn(...)
+" echomsg "Decho: SaveWinPosn() a:0=".a:0
+ if line("$") == 1 && getline(1) == ""
+" echomsg "Decho: SaveWinPosn : empty buffer"
+ return ""
+ endif
+ let so_keep = &l:so
+ let siso_keep = &siso
+ let ss_keep = &l:ss
+ setlocal so=0 siso=0 ss=0
+
+ let swline = line(".") " save-window line in file
+ let swcol = col(".") " save-window column in file
+ if swcol >= col("$")
+ let swcol= swcol + virtcol(".") - virtcol("$") " adjust for virtual edit (cursor past end-of-line)
+ endif
+ let swwline = winline() - 1 " save-window window line
+ let swwcol = virtcol(".") - wincol() " save-window window column
+ let savedposn = ""
+" echomsg "Decho: sw[".swline.",".swcol."] sww[".swwline.",".swwcol."]"
+ let savedposn = "call GoWinbufnr(".winbufnr(0).")"
+ let savedposn = savedposn."|".s:modifier.swline
+ let savedposn = savedposn."|".s:modifier."norm! 0z\<cr>"
+ if swwline > 0
+ let savedposn= savedposn.":".s:modifier."call s:WinLineRestore(".(swwline+1).")\<cr>"
+ endif
+ if swwcol > 0
+ let savedposn= savedposn.":".s:modifier."norm! 0".swwcol."zl\<cr>"
+ endif
+ let savedposn = savedposn.":".s:modifier."call cursor(".swline.",".swcol.")\<cr>"
+
+ " save window position in
+ " b:cecutil_winposn_{iwinposn} (stack)
+ " only when SaveWinPosn() is used
+ if a:0 == 0
+ if !exists("b:cecutil_iwinposn")
+ let b:cecutil_iwinposn= 1
+ else
+ let b:cecutil_iwinposn= b:cecutil_iwinposn + 1
+ endif
+" echomsg "Decho: saving posn to SWP stack"
+ let b:cecutil_winposn{b:cecutil_iwinposn}= savedposn
+ endif
+
+ let &l:so = so_keep
+ let &siso = siso_keep
+ let &l:ss = ss_keep
+
+" if exists("b:cecutil_iwinposn") " Decho
+" echomsg "Decho: b:cecutil_winpos{".b:cecutil_iwinposn."}[".b:cecutil_winposn{b:cecutil_iwinposn}."]"
+" else " Decho
+" echomsg "Decho: b:cecutil_iwinposn doesn't exist"
+" endif " Decho
+" echomsg "Decho: SaveWinPosn [".savedposn."]"
+ return savedposn
+endfun
+
+" ---------------------------------------------------------------------
+" RestoreWinPosn: {{{2
+" call RestoreWinPosn()
+" call RestoreWinPosn(winposn)
+fun! RestoreWinPosn(...)
+" echomsg "Decho: RestoreWinPosn() a:0=".a:0
+" echomsg "Decho: getline(1)<".getline(1).">"
+" echomsg "Decho: line(.)=".line(".")
+ if line("$") == 1 && getline(1) == ""
+" echomsg "Decho: RestoreWinPosn : empty buffer"
+ return ""
+ endif
+ let so_keep = &l:so
+ let siso_keep = &l:siso
+ let ss_keep = &l:ss
+ setlocal so=0 siso=0 ss=0
+
+ if a:0 == 0 || a:1 == ""
+ " use saved window position in b:cecutil_winposn{b:cecutil_iwinposn} if it exists
+ if exists("b:cecutil_iwinposn") && exists("b:cecutil_winposn{b:cecutil_iwinposn}")
+" echomsg "Decho: using stack b:cecutil_winposn{".b:cecutil_iwinposn."}<".b:cecutil_winposn{b:cecutil_iwinposn}.">"
+ try
+ exe s:modifier.b:cecutil_winposn{b:cecutil_iwinposn}
+ catch /^Vim\%((\a\+)\)\=:E749/
+ " ignore empty buffer error messages
+ endtry
+ " normally drop top-of-stack by one
+ " but while new top-of-stack doesn't exist
+ " drop top-of-stack index by one again
+ if b:cecutil_iwinposn >= 1
+ unlet b:cecutil_winposn{b:cecutil_iwinposn}
+ let b:cecutil_iwinposn= b:cecutil_iwinposn - 1
+ while b:cecutil_iwinposn >= 1 && !exists("b:cecutil_winposn{b:cecutil_iwinposn}")
+ let b:cecutil_iwinposn= b:cecutil_iwinposn - 1
+ endwhile
+ if b:cecutil_iwinposn < 1
+ unlet b:cecutil_iwinposn
+ endif
+ endif
+ else
+ echohl WarningMsg
+ echomsg "***warning*** need to SaveWinPosn first!"
+ echohl None
+ endif
+
+ else " handle input argument
+" echomsg "Decho: using input a:1<".a:1.">"
+ " use window position passed to this function
+ exe a:1
+ " remove a:1 pattern from b:cecutil_winposn{b:cecutil_iwinposn} stack
+ if exists("b:cecutil_iwinposn")
+ let jwinposn= b:cecutil_iwinposn
+ while jwinposn >= 1 " search for a:1 in iwinposn..1
+ if exists("b:cecutil_winposn{jwinposn}") " if it exists
+ if a:1 == b:cecutil_winposn{jwinposn} " and the pattern matches
+ unlet b:cecutil_winposn{jwinposn} " unlet it
+ if jwinposn == b:cecutil_iwinposn " if at top-of-stack
+ let b:cecutil_iwinposn= b:cecutil_iwinposn - 1 " drop stacktop by one
+ endif
+ endif
+ endif
+ let jwinposn= jwinposn - 1
+ endwhile
+ endif
+ endif
+
+ " Seems to be something odd: vertical motions after RWP
+ " cause jump to first column. The following fixes that.
+ " Note: was using wincol()>1, but with signs, a cursor
+ " at column 1 yields wincol()==3. Beeping ensued.
+ let vekeep= &ve
+ set ve=all
+ if virtcol('.') > 1
+ exe s:modifier."norm! hl"
+ elseif virtcol(".") < virtcol("$")
+ exe s:modifier."norm! lh"
+ endif
+ let &ve= vekeep
+
+ let &l:so = so_keep
+ let &l:siso = siso_keep
+ let &l:ss = ss_keep
+
+" echomsg "Decho: RestoreWinPosn"
+endfun
+
+" ---------------------------------------------------------------------
+" s:WinLineRestore: {{{2
+fun! s:WinLineRestore(swwline)
+" echomsg "Decho: s:WinLineRestore(swwline=".a:swwline.")"
+ while winline() < a:swwline
+ let curwinline= winline()
+ exe s:modifier."norm! \<c-y>"
+ if curwinline == winline()
+ break
+ endif
+ endwhile
+" echomsg "Decho: s:WinLineRestore"
+endfun
+
+" ---------------------------------------------------------------------
+" GoWinbufnr: go to window holding given buffer (by number) {{{2
+" Prefers current window; if its buffer number doesn't match,
+" then will try from topleft to bottom right
+fun! GoWinbufnr(bufnum)
+" call Dfunc("GoWinbufnr(".a:bufnum.")")
+ if winbufnr(0) == a:bufnum
+" call Dret("GoWinbufnr : winbufnr(0)==a:bufnum")
+ return
+ endif
+ winc t
+ let first=1
+ while winbufnr(0) != a:bufnum && (first || winnr() != 1)
+ winc w
+ let first= 0
+ endwhile
+" call Dret("GoWinbufnr")
+endfun
+
+" ---------------------------------------------------------------------
+" SaveMark: sets up a string saving a mark position. {{{2
+" For example, SaveMark("a")
+" Also sets up a global variable, g:savemark_{markname}
+fun! SaveMark(markname)
+" call Dfunc("SaveMark(markname<".a:markname.">)")
+ let markname= a:markname
+ if strpart(markname,0,1) !~ '\a'
+ let markname= strpart(markname,1,1)
+ endif
+" call Decho("markname=".markname)
+
+ let lzkeep = &lz
+ set lz
+
+ if 1 <= line("'".markname) && line("'".markname) <= line("$")
+ let winposn = SaveWinPosn(0)
+ exe s:modifier."norm! `".markname
+ let savemark = SaveWinPosn(0)
+ let g:savemark_{markname} = savemark
+ let savemark = markname.savemark
+ call RestoreWinPosn(winposn)
+ else
+ let g:savemark_{markname} = ""
+ let savemark = ""
+ endif
+
+ let &lz= lzkeep
+
+" call Dret("SaveMark : savemark<".savemark.">")
+ return savemark
+endfun
+
+" ---------------------------------------------------------------------
+" RestoreMark: {{{2
+" call RestoreMark("a") -or- call RestoreMark(savemark)
+fun! RestoreMark(markname)
+" call Dfunc("RestoreMark(markname<".a:markname.">)")
+
+ if strlen(a:markname) <= 0
+" call Dret("RestoreMark : no such mark")
+ return
+ endif
+ let markname= strpart(a:markname,0,1)
+ if markname !~ '\a'
+ " handles 'a -> a styles
+ let markname= strpart(a:markname,1,1)
+ endif
+" call Decho("markname=".markname." strlen(a:markname)=".strlen(a:markname))
+
+ let lzkeep = &lz
+ set lz
+ let winposn = SaveWinPosn(0)
+
+ if strlen(a:markname) <= 2
+ if exists("g:savemark_{markname}") && strlen(g:savemark_{markname}) != 0
+ " use global variable g:savemark_{markname}
+" call Decho("use savemark list")
+ call RestoreWinPosn(g:savemark_{markname})
+ exe "norm! m".markname
+ endif
+ else
+ " markname is a savemark command (string)
+" call Decho("use savemark command")
+ let markcmd= strpart(a:markname,1)
+ call RestoreWinPosn(markcmd)
+ exe "norm! m".markname
+ endif
+
+ call RestoreWinPosn(winposn)
+ let &lz = lzkeep
+
+" call Dret("RestoreMark")
+endfun
+
+" ---------------------------------------------------------------------
+" DestroyMark: {{{2
+" call DestroyMark("a") -- destroys mark
+fun! DestroyMark(markname)
+" call Dfunc("DestroyMark(markname<".a:markname.">)")
+
+ " save options and set to standard values
+ let reportkeep= &report
+ let lzkeep = &lz
+ set lz report=10000
+
+ let markname= strpart(a:markname,0,1)
+ if markname !~ '\a'
+ " handles 'a -> a styles
+ let markname= strpart(a:markname,1,1)
+ endif
+" call Decho("markname=".markname)
+
+ let curmod = &mod
+ let winposn = SaveWinPosn(0)
+ 1
+ let lineone = getline(".")
+ exe "k".markname
+ d
+ put! =lineone
+ let &mod = curmod
+ call RestoreWinPosn(winposn)
+
+ " restore options to user settings
+ let &report = reportkeep
+ let &lz = lzkeep
+
+" call Dret("DestroyMark")
+endfun
+
+" ---------------------------------------------------------------------
+" QArgSplitter: to avoid \ processing by <f-args>, <q-args> is needed. {{{2
+" However, <q-args> doesn't split at all, so this one returns a list
+" with splits at all whitespace (only!), plus a leading length-of-list.
+" The resulting list: qarglist[0] corresponds to a:0
+" qarglist[i] corresponds to a:{i}
+fun! QArgSplitter(qarg)
+" call Dfunc("QArgSplitter(qarg<".a:qarg.">)")
+ let qarglist = split(a:qarg)
+ let qarglistlen = len(qarglist)
+ let qarglist = insert(qarglist,qarglistlen)
+" call Dret("QArgSplitter ".string(qarglist))
+ return qarglist
+endfun
+
+" ---------------------------------------------------------------------
+" ListWinPosn: {{{2
+"fun! ListWinPosn() " Decho
+" if !exists("b:cecutil_iwinposn") || b:cecutil_iwinposn == 0 " Decho
+" call Decho("nothing on SWP stack") " Decho
+" else " Decho
+" let jwinposn= b:cecutil_iwinposn " Decho
+" while jwinposn >= 1 " Decho
+" if exists("b:cecutil_winposn{jwinposn}") " Decho
+" call Decho("winposn{".jwinposn."}<".b:cecutil_winposn{jwinposn}.">") " Decho
+" else " Decho
+" call Decho("winposn{".jwinposn."} -- doesn't exist") " Decho
+" endif " Decho
+" let jwinposn= jwinposn - 1 " Decho
+" endwhile " Decho
+" endif " Decho
+"endfun " Decho
+"com! -nargs=0 LWP call ListWinPosn() " Decho
+
+" ---------------------------------------------------------------------
+" SaveUserMaps: this function sets up a script-variable (s:restoremap) {{{2
+" which can be used to restore user maps later with
+" call RestoreUserMaps()
+"
+" mapmode - see :help maparg for details (n v o i c l "")
+" ex. "n" = Normal
+" The letters "b" and "u" are optional prefixes;
+" The "u" means that the map will also be unmapped
+" The "b" means that the map has a <buffer> qualifier
+" ex. "un" = Normal + unmapping
+" ex. "bn" = Normal + <buffer>
+" ex. "bun" = Normal + <buffer> + unmapping
+" ex. "ubn" = Normal + <buffer> + unmapping
+" maplead - see mapchx
+" mapchx - "<something>" handled as a single map item.
+" ex. "<left>"
+" - "string" a string of single letters which are actually
+" multiple two-letter maps (using the maplead:
+" maplead . each_character_in_string)
+" ex. maplead="\" and mapchx="abc" saves user mappings for
+" \a, \b, and \c
+" Of course, if maplead is "", then for mapchx="abc",
+" mappings for a, b, and c are saved.
+" - :something handled as a single map item, w/o the ":"
+" ex. mapchx= ":abc" will save a mapping for "abc"
+" suffix - a string unique to your plugin
+" ex. suffix= "DrawIt"
+fun! SaveUserMaps(mapmode,maplead,mapchx,suffix)
+" call Dfunc("SaveUserMaps(mapmode<".a:mapmode."> maplead<".a:maplead."> mapchx<".a:mapchx."> suffix<".a:suffix.">)")
+
+ if !exists("s:restoremap_{a:suffix}")
+ " initialize restoremap_suffix to null string
+ let s:restoremap_{a:suffix}= ""
+ endif
+
+ " set up dounmap: if 1, then save and unmap (a:mapmode leads with a "u")
+ " if 0, save only
+ let mapmode = a:mapmode
+ let dounmap = 0
+ let dobuffer = ""
+ while mapmode =~ '^[bu]'
+ if mapmode =~ '^u'
+ let dounmap = 1
+ let mapmode = strpart(a:mapmode,1)
+ elseif mapmode =~ '^b'
+ let dobuffer = "<buffer> "
+ let mapmode = strpart(a:mapmode,1)
+ endif
+ endwhile
+" call Decho("dounmap=".dounmap." dobuffer<".dobuffer.">")
+
+ " save single map :...something...
+ if strpart(a:mapchx,0,1) == ':'
+" call Decho("save single map :...something...")
+ let amap= strpart(a:mapchx,1)
+ if amap == "|" || amap == "\<c-v>"
+ let amap= "\<c-v>".amap
+ endif
+ let amap = a:maplead.amap
+ let s:restoremap_{a:suffix} = s:restoremap_{a:suffix}."|:sil! ".mapmode."unmap ".dobuffer.amap
+ if maparg(amap,mapmode) != ""
+ let maprhs = substitute(maparg(amap,mapmode),'|','<bar>','ge')
+ let s:restoremap_{a:suffix} = s:restoremap_{a:suffix}."|:".mapmode."map ".dobuffer.amap." ".maprhs
+ endif
+ if dounmap
+ exe "sil! ".mapmode."unmap ".dobuffer.amap
+ endif
+
+ " save single map <something>
+ elseif strpart(a:mapchx,0,1) == '<'
+" call Decho("save single map <something>")
+ let amap = a:mapchx
+ if amap == "|" || amap == "\<c-v>"
+ let amap= "\<c-v>".amap
+" call Decho("amap[[".amap."]]")
+ endif
+ let s:restoremap_{a:suffix} = s:restoremap_{a:suffix}."|sil! ".mapmode."unmap ".dobuffer.amap
+ if maparg(a:mapchx,mapmode) != ""
+ let maprhs = substitute(maparg(amap,mapmode),'|','<bar>','ge')
+ let s:restoremap_{a:suffix} = s:restoremap_{a:suffix}."|".mapmode."map ".dobuffer.amap." ".maprhs
+ endif
+ if dounmap
+ exe "sil! ".mapmode."unmap ".dobuffer.amap
+ endif
+
+ " save multiple maps
+ else
+" call Decho("save multiple maps")
+ let i= 1
+ while i <= strlen(a:mapchx)
+ let amap= a:maplead.strpart(a:mapchx,i-1,1)
+ if amap == "|" || amap == "\<c-v>"
+ let amap= "\<c-v>".amap
+ endif
+ let s:restoremap_{a:suffix} = s:restoremap_{a:suffix}."|sil! ".mapmode."unmap ".dobuffer.amap
+ if maparg(amap,mapmode) != ""
+ let maprhs = substitute(maparg(amap,mapmode),'|','<bar>','ge')
+ let s:restoremap_{a:suffix} = s:restoremap_{a:suffix}."|".mapmode."map ".dobuffer.amap." ".maprhs
+ endif
+ if dounmap
+ exe "sil! ".mapmode."unmap ".dobuffer.amap
+ endif
+ let i= i + 1
+ endwhile
+ endif
+" call Dret("SaveUserMaps : restoremap_".a:suffix.": ".s:restoremap_{a:suffix})
+endfun
+
+" ---------------------------------------------------------------------
+" RestoreUserMaps: {{{2
+" Used to restore user maps saved by SaveUserMaps()
+fun! RestoreUserMaps(suffix)
+" call Dfunc("RestoreUserMaps(suffix<".a:suffix.">)")
+ if exists("s:restoremap_{a:suffix}")
+ let s:restoremap_{a:suffix}= substitute(s:restoremap_{a:suffix},'|\s*$','','e')
+ if s:restoremap_{a:suffix} != ""
+" call Decho("exe ".s:restoremap_{a:suffix})
+ exe "sil! ".s:restoremap_{a:suffix}
+ endif
+ unlet s:restoremap_{a:suffix}
+ endif
+" call Dret("RestoreUserMaps")
+endfun
+
+" ==============
+" Restore: {{{1
+" ==============
+let &cpo= s:keepcpo
+unlet s:keepcpo
+
+" ================
+" Modelines: {{{1
+" ================
+" vim: ts=4 fdm=marker