.vimrc.ext

set wildignore =*.o,*.pyc,.DS_Store,*.git/* " Ignore these filetypes

set noerrorbells           " remove any annoying sounds / flashes (1)
set novisualbell           "                                      (2)
set t_vb=                  "                                      (3)

" Show trailing whitespace in normal mode
augroup trailing
    au!
    au InsertEnter * :set listchars-=trail:·
    au InsertLeave * :set listchars+=trail:·
augroup END

" Show time in airline
let g:airline_section_b = "%{strftime('%b %d %Y %X')}"

" Better home/end keys - synonymous to normal movement
nnoremap H ^
nnoremap L $
vnoremap L g_

" Emacs-like Home/End in insert and command mode
" inoremap <c-a> <esc>I
" inoremap <c-e> <esc>A
cnoremap <c-a> <home>
cnoremap <c-e> <end>

" Use common regex
" nnoremap / /\v
" vnoremap / /\v

" Move between splits with w + hjkl, new splits with ws or wv
nnoremap w <c-w>

" Copy to end of line, not all of line
nnoremap Y y$

" Save file that requires root permission
cmap w!! %!sudo tee > /dev/null %

" Select all text in buffer
nnoremap <leader>a ggvG

" Toggle case
nnoremap <c-u> g~iw

" Run shell commands; print output in seperate buffer
command! -complete=shellcmd -nargs=* R belowright 15new | r ! <args>

" Inline calculator
inoremap <c-b> <c-o>yiW<end>=<c-r>=<c-r>0<cr>

" Sublime-esque indentation ([un]indent; reselect)
vnoremap <tab> >gv
vnoremap <s-tab> <gv

" Better looking splits
set fillchars+=vert:│
if has("gui_running")
  highlight vertsplit guibg=bg guifg=#999999 ctermbg=bg ctermfg=white
endif

" More stand-out cursor (should probably just put this in banana.vim)
highlight Cursor guibg=#FEC52E

" Soure current line / selection
vnoremap <leader>S y:execute @@<cr>:echo 'Sourced selection.'<cr>
nnoremap <leader>S ^vg_y:execute @@<cr>:echo 'Sourced line.'<cr>

" Use italics for certain words
highlight Comment gui=italic
highlight Identifier gui=italic,bold
highlight Constant gui=italic

" Minimalise gvim/macvim interface
set guioptions+=c " Use console dialogs instead of popups for choices
set guioptions-=m " Hide menu bar
set guioptions-=r " Never show vertical scrollbar
set guioptions-=b " Never show horizontal scrollbar
set guioptions-=T " Hide ugliest toolbar ever
set guioptions-=R " Don't show right scrollbar with vsplits
set guioptions-=L " Don't show left scrollbar with vsplits

" Cursorline only in current window, only in normal mode (Steve Losh)
if has("gui_running")
  augroup cline
  au!
  au WinLeave,InsertEnter * set nocursorline
  au WinEnter,InsertLeave * set cursorline
  augroup END
end

" }}}
" Text and file formatting and folds                     {{{

" Use foldmarker folding method (three braces to open and close)
set foldmethod=marker

" Remove trailing whitespace on save
function! TrimWhiteSpace()
  %s/\s\+$//e
endfunction
autocmd FileWritePre    * :call TrimWhiteSpace()
autocmd FileAppendPre   * :call TrimWhiteSpace()
autocmd FilterWritePre  * :call TrimWhiteSpace()
autocmd BufWritePre     * :call TrimWhiteSpace()

" Usually .txt or .md is for documentation / info, in which
" case I will want spellchecking on.
au WinEnter *.{md,txt} set spell
au WinLeave *.{md,txt} set nospell

" I don't use modula2, but I do use markdown.
au BufNewFile,BufRead,BufWrite *.md set filetype=markdown

nnoremap <leader>ep :cd $PROJECTS/