Hi Burnett,!
On Fr, 26 Aug 2011, Burnett, Rick wrote:
> Hello All!
>
> I've been looking around to see if it is possible to create a script or add a
> feature that I would use quite a bit.
>
> When editing python code, how much a line is indented sets the scope of the
> code, as many of you know, however, sometimes with long scopes that are
> heavily nested, it can be confusing to easily see how many indents you need.
>
> What I would LOVE is to set vim similar to where it shows numbers, but
> instead, have the number show the number of indents relative to the current
> setting of ts.
>
> What would happen is this
>
> 1) The number is computed by the number of spaces at the lead (^\s*) /
> tab space setting (ts)
>
> 2) If the number had any remainder (so not zero remainder) this means
> something isn't spaced right, set the text color to orange.
>
> 3) If ANY tabs (\t) are in the line, set the color to red to indicate
> the line needs to be fixed.
>
> I realize computing every line is expensive, but I'd be willing to take that
> hit on turning this one for some of the difficult functions I write. It
> would also be nice if it ran on what was displayed only maybe.
>
> Is this possible? Or will I need to actually edit the gvim sourcecode for
> this sort of functionality?
I think I posted sometimes a similar script here:
http://groups.google.com/group/vim_use/msg/cd69f15256f89531
So taking that script, adjusting it a little, you get the one I
attached. (I have only barely tested it).
regards,
Christian
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" IndentSigns.vim - Using Signs for indenting level
" ---------------------------------------------------------------
" Version: 0.2
" Authors: Christian Brabandt <c...@256bit.org>
" Last Change: Tue, 19 July 2010 21:16:28 +0200
" Script:
" License: VIM License
" Documentation: N/A
" GetLatestVimScripts:
" Documentation: N/A
" Init Folkore "{{{1
if &cp || exists("g:loaded_indentSigns")
finish
endif
let g:loaded_indentSigns = 1
let s:keepcpo = &cpo
set cpo&vim
" Check preconditions
fu! s:Check() "{{{1
" Check for the existence of unsilent
if exists(":unsilent")
let s:echo_cmd='unsilent echomsg'
else
let s:echo_cmd='echomsg'
endif
if !has("signs")
call add(s:msg, "Sign Support support not available in your Vim
version.")
call add(s:msg, "IndentSigns plugin will not be working!")
call s:WarningMsg()
throw 'indentSigns:abort'
endif
let s:sign_prefix = 99
let s:id_hl = {}
let s:id_hl.Line = "DiffAdd"
let s:id_hl.Error = "Error"
let s:id_hl.Check = "User1"
endfu
fu! s:WarningMsg() "{{{1
redraw!
if !empty(s:msg)
let msg=["IndentSigns.vim: " . s:msg[0]] + s:msg[1:]
echohl WarningMsg
for mess in msg
exe s:echo_cmd "mess"
endfor
echohl Normal
let v:errmsg=msg[0]
endif
endfu
fu! s:Init() "{{{1
" Message queue, that will be displayed.
let s:msg = []
" Only check the first time this file is loaded
" It should not be neccessary to check every time
if !exists("s:precheck")
call s:Check()
let s:precheck=1
endif
" This variable is a prefix for all placed signs.
" This is needed, to not mess with signs placed by the user
let s:signs={}
" Delete previously placed signs
call s:UnPlaceSigns()
call s:DefineSigns()
call s:AuCmd(1)
endfu
fu! s:AuCmd(arg) "{{{1
if a:arg
augroup IndentSigns
autocmd!
let s:verbose=0
au InsertLeave,CursorHold * :call s:UpdateView()
augroup END
else
augroup IndentSigns
autocmd!
augroup END
endif
endfu
fu! s:UnPlaceSigns() "{{{1
redir => a
silent sign place
redir end
let b=split(a,"\n")
let b=filter(b, 'v:val =~ "id=".s:sign_prefix')
let b=map(b, 'matchstr(v:val, ''id=\zs\d\+'')')
for id in b
exe "sign unplace" id
endfor
endfu
fu! s:PlaceSigns() "{{{1
for item in range(1,line('$'))
let indent=indent(item)
let div = &l:sts > 0 ? &l:sts : &ts
if div > 0
if len(split(getline(item), '\t\zs')) > 1
exe "sign place " s:sign_prefix . item . "
line=" .
\ item . " name=IndentTabError buffer="
. bufnr('')
elseif indent > 0 && (indent % div) > 0
exe "sign place " s:sign_prefix . item . "
line=" .
\ item . " name=IndentCheck buffer=" .
bufnr('')
elseif indent > 0 && (indent/div) > 0
exe "sign place " s:sign_prefix . item . "
line=" .
\ item . " name=" . (indent/div > 9 ?
'10' : (indent/div)) . " buffer=" . bufnr('')
endif
endif
endfor
endfu
fu! s:DefineSigns() "{{{1
for item in range(1,9)
exe "silent! sign undefine " item
exe "sign define" item "text=".item . " texthl=" . s:id_hl.Line
endfor
" Indentlevel > 9
exe "sign define 10" "text=>".item . " texthl=" . s:id_hl.Line
exe "sign define IndentTabError text=E texthl=" . s:id_hl.Error . "
linehl=" . s:id_hl.Error
exe "sign define IndentCheck text=C texthl=" . s:id_hl.Check . "
linehl=" . s:id_hl.Check
endfu
fu! s:UpdateView()"{{{1
if !exists("b:changes_chg_tick")
let b:changes_chg_tick = 0
endif
" Only update, if there have been changes to the buffer
if b:changes_chg_tick != b:changedtick
call indentSigns#Run()
endif
endfu
fu! indentSigns#Run()"{{{1
try
call s:Init()
catch /^indentSigns:/
call s:WarningMsg()
return
endtry
call s:PlaceSigns()
endfu
fu! s:CleanUp()"{{{1
" only delete signs, that have been set by this plugin
call s:UnPlaceSigns()
for item in range(1,9)
exe "sign undefine " item
endfor
sign undefine IndentTabError
sign undefine IndentCheck
call s:AuCmd(0)
endfu
" Define Commands "{{{1
:com! IndentSigns :call indentSigns#Run()
:com! DisableIndentSigns :call s:CleanUp()
" Restore Vim Settings "{{{1
let &cpo= s:keepcpo
unlet s:keepcpo
" Modeline "{{{1
" vi:fdm=marker fdl=0
