" -------------------------------------
"Lev-s .vimrc file for Windows
" -------------------------------------
syntax on         " highlighting
set nocompatible  " Use Vim defaults (even on Windows)
set ignorecase

" -------------------------------------
" use taglist plugin and ctags:
:map <F8> :TlistToggle<cr>
:map <S-T> :TlistToggle<cr>
let Tlist_Exit_OnlyWindow = 1

" -------------------------------------
" use F3 to remove every 2nd newline
:map <silent> <F3> :s/\(\n\)\n/\1/g<cr>

" -------------------------------------
" use F5 to go between tabs
:map <silent> <F5> :tabn<cr>
:map <silent> <S-F> :tabn<cr>

" -------------------------------------
" use 2-space indentation
set tabstop=2
set softtabstop=2
set shiftwidth=2
set expandtab

" -------------------------------------
" always show status line - and show more info on it
set laststatus=2
set statusline=%F%m%r%h%w\ %{&ff}\ %Y\ ascii=\%03.3b\ hex=\%02.2B\ [%04l,%04v](%p%%\ of\ %L)

" -------------------------------------
"use F7 to toggle line numbers
function! ToggleLineNumbers()
  if &number
    set nonumber
  else
    set number
  endif
endfunction

map <silent> <F7> :call ToggleLineNumbers() <CR>
map <silent> <S-N> :call ToggleLineNumbers() <CR>

" -------------------------------------
function! TogglePerlComment()
  let s:line = getline('.')
  if s:line =~ "^#"
    :s/^#//
  else
    :s/^/#/
  endif
endfunction

map <silent> <F4> :call TogglePerlComment() <CR>
map <silent> <S-B> :call TogglePerlComment() <CR>

" -------------------------------------
function ToggleHLSearch()  " toggle highlight after search
  if &hls
    set nohls
  else
    set hls
  endif
endfunction

nmap <silent> <C-n> <Esc>:call ToggleHLSearch()<CR>.

" -------------------------------------
"To avoid invoking help when accidentally pressing F1, map it to Esc:
map <F1> <Esc>
imap <F1> <Esc>

" -------------------------------------
"source $VIMRUNTIME/vimrc_example.vim
"
"set diffexpr=MyDiff()
"function MyDiff()
"  let opt = '-a --binary '
"  if &diffopt =~ 'icase' | let opt = opt . '-i ' | endif
"  if &diffopt =~ 'iwhite' | let opt = opt . '-b ' | endif
"  let arg1 = v:fname_in
"  if arg1 =~ ' ' | let arg1 = '"' . arg1 . '"' | endif
"  let arg2 = v:fname_new
"  if arg2 =~ ' ' | let arg2 = '"' . arg2 . '"' | endif
"  let arg3 = v:fname_out
"  if arg3 =~ ' ' | let arg3 = '"' . arg3 . '"' | endif
"  let eq = ''
"  if $VIMRUNTIME =~ ' '
"    if &sh =~ '\<cmd'
"      let cmd = '""' . $VIMRUNTIME . '\diff"'
"      let eq = '"'
"    else
"      let cmd = substitute($VIMRUNTIME, ' ', '" ', '') . '\diff"'
"    endif
"  else
"    let cmd = $VIMRUNTIME . '\diff'
"  endif
"  silent execute '!' . cmd . ' ' . opt . arg1 . ' ' . arg2 . ' > ' . arg3 . eq
"endfunction
" -------------------------------------