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Diffstat (limited to 'dot_vim/ftplugin/latex-suite/smartspace.vim')
| -rw-r--r-- | dot_vim/ftplugin/latex-suite/smartspace.vim | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/dot_vim/ftplugin/latex-suite/smartspace.vim b/dot_vim/ftplugin/latex-suite/smartspace.vim new file mode 100644 index 0000000..07526d8 --- /dev/null +++ b/dot_vim/ftplugin/latex-suite/smartspace.vim @@ -0,0 +1,102 @@ +"============================================================================= +" File: smartspace.vim +" Author: Carl Muller +" Created: Fri Dec 06 12:00 AM 2002 PST +" +" Description: +" Maps the <space> key in insert mode so that mathematical formulaes are +" always kept on the same line. i.e, $$'s dont get broken across multiple +" lines. +"============================================================================= + +" Avoid reinclusion or if the user doesn't want us. +if exists('b:done_smartspace') + \ || (exists('g:Tex_SmartKeySpace') && !g:Tex_SmartKeySpace) + finish +endif +let b:done_smartspace = 1 + +" Smart space relies on taking over vim's insertion of carriage returns in +" order to keep $$'s on the same line. The only way to get vim not to break +" lines is to set tw=0. +" +" NOTE: setting tw != 0 will break smartspace +" the user's 'tw' setting is still respected in the insert mode. +" However, normal mode actions which rely on 'tw' such as gqap will be +" broken because of the faulty 'tw' setting. +let b:tw = &l:tw +setlocal tw=0 + +inoremap <buffer> <silent> <Space> <Space><Esc>:call <SID>TexFill(b:tw)<CR>a + +" Do not redefine the function. +if exists('*s:TexFill') + finish +endif + +" TexFormatLine: format line retaining $$'s on the same line. {{{ +function! s:TexFill(width) + if a:width != 0 && col(".") > a:width + " For future use, record the current line and the number of the current column + let current_line = getline(".") + let current_column = col(".") + exe "normal! a##\<Esc>" + call <SID>TexFormatLine(a:width,current_line,current_column) + exe "normal! ?##\<CR>2s\<Esc>" + " Remove ## from the search history. + call histdel("/", -1)|let @/=histget("/", -1) + endif +endfunction + +" }}} +function! s:TexFormatLine(width, current_line, current_column) " {{{ + " get the first non-blank character. + let first = matchstr(getline('.'), '\S') + normal! $ + let length = col('.') + let go = 1 + while length > a:width+2 && go + let between = 0 + let string = strpart(getline('.'), 0, a:width) + " Count the dollar signs + let number_of_dollars = 0 + let evendollars = 1 + let counter = 0 + while counter <= a:width-1 + " Pay attention to '$$'. + if string[counter] == '$' && string[counter-1] != '$' + let evendollars = 1 - evendollars + let number_of_dollars = number_of_dollars + 1 + endif + let counter = counter + 1 + endwhile + " Get ready to split the line. + exe 'normal! ' . (a:width + 1) . '|' + if evendollars + " Then you are not between dollars. + exe "normal! ?\\$\\+\\| \<CR>W" + else + " Then you are between dollars. + normal! F$ + if col(".") == 1 || getline('.')[col(".")-1] != "$" + let go = 0 + endif + endif + if first == '$' && number_of_dollars == 1 + let go = 0 + else + exe "normal! i\<CR>\<Esc>$" + " get the first non-blank character. + let first = matchstr(getline('.'), '\S') + endif + let length = col(".") + endwhile + if go == 0 && strpart(a:current_line, 0, a:current_column) =~ '.*\$.*\$.*' + exe "normal! ^f$a\<CR>\<Esc>" + call <SID>TexFormatLine(a:width, a:current_line, a:current_column) + endif +endfunction + +" }}} + +" vim:fdm=marker:ts=4:sw=4:noet |