dot_vimrc

""" ~/.vimrc
""" zoug
""" vim config

set nocompatible " use vim, not vi

"" general
filetype plugin indent on       " language-dependant indenting and filetype detection
syntax enable                   " switch syntax highlighting on
let mapleader = ' '             " <Leader> in the following remaps is ' '
set history=50                  " keep 50 lines of command line history
set encoding=utf-8              " utf-8 encoding
" opening a file doesn't close the current buffer, it hides it
" makes it possible to jump from file to file without writing the changes
set hidden
" suffixes that get lower priority when doing tab completion for filenames
set suffixes=.bak,~,.swp,.o,.info,.aux,.log,.dvi,.bbl,.blg,.brf,.cb,.ind,.idx,.ilg,.inx,.out,.toc,.png,.jpg,.pdf
set wildmenu                    " autocompletion in vim commands now displays the matches

"" GUI
set guiheadroom=0               " no gui headroom (no need for window decorations with a WM)

"" remaps (except for plugins, see below)
" don't skip lines when going up and down, even if they're only visual lines
nnoremap j gj
nnoremap k gk
" right/left arrows go previous/next buffer
nnoremap <Left> :bp<CR>
nnoremap <Right> :bn<CR>
" delete current buffer
nnoremap <Leader>q :bd<CR>
" executes the current file
nnoremap <Leader>x :!%:p<CR>
" disable hightlight
nnoremap <Leader>h :noh<CR>

" easier navigation between splits
nnoremap <C-J> <C-W><C-J>
nnoremap <C-K> <C-W><C-K>
nnoremap <C-L> <C-W><C-L>
nnoremap <C-H> <C-W><C-H>

"" UI
set backspace=indent,eol,start  " allow backspacing in insert mode over indents, EOL (eol), and text inserted before (start)
set ruler                       " show the cursor position at all times
set number                      " display line numbers
"set relativenumber             " display them relatively to where I am
"set cursorline                 " highlight current line
set showcmd                     " display partial commands on bottom line
set mouse=a                     " enable mouse
set visualbell t_vb=            " use the visualbell, make it do nothing
set lazyredraw                  " don't redraw screen in the middle of macros
set showmatch                   " highlight matching parenthesis/bracket/...
set laststatus=2                " status bar always visible
set list                        " display unprintable characters
set listchars=tab:•\ ,trail:•,extends:»,precedes:« " unprintable chars mapping

"" tabs
set expandtab                   " convert tabs to spaces
set tabstop=4                   " <Tab> rendered as 4 spaces
set softtabstop=4               " 4 spaces inserted when hitting <Tab>
set shiftwidth=4                " number of spaces to use for each indent (auto or with >> etc)
set shiftround                  " round indent to multiple of shiftwidth

"" search
set incsearch                   " do incremental searching
set hlsearch                    " switch on highlighting the last used search pattern.

"" splits
" open new split panes to right and bottom
set splitbelow
set splitright
set equalalways                 " equalize splits. easiest way to resize: left mouse drag

augroup config
    autocmd!
    autocmd FileType text setlocal textwidth=78

    " When editing a file, always jump to the last known cursor position.
    " Don't do it when the position is invalid or when inside an event handler
    " (happens when dropping a file on gvim).
    autocmd BufReadPost *
                \ if line("'\"") >= 1 && line("'\"") <= line("$") |
                \   exe "normal! g`\"" |
                \ endif

    " disables flashing of screen for gvim (done earlier for vim)
    autocmd GUIEnter * set visualbell t_vb=
augroup END


"" colorscheme
" see /usr/share/vim/vim74/colors for the vim-colorsamplerpack with the
" 100 most popular colorschemes. Also see ~/.vim/colors
" flattened uses the solarized colors without the needlessly complicated setup
"colorscheme flattened_dark
set background=dark

"" Calcurse
" automatically set filetype to Markdown when opening a tmp calcurse file
autocmd BufRead,BufNewFile /tmp/calcurse* set filetype=markdown
autocmd BufRead,BufNewFile ~/.calcurse/notes/* set filetype=markdown

""" plugin conf
"" NERDTree:
" show on the right
let g:NERDTreeWinPos = "right"
" close vim if there's only a nerdtree window
autocmd BufEnter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
nnoremap <Leader>n :NERDTreeToggle<CR>
"autocmd vimenter * NERDTree " open on startup

"" Airline:
" display buffers on top of the screen when only 1 tab open
let g:airline#extensions#tabline#enabled=1
" symbols
if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif
let g:airline_left_sep = ''
let g:airline_left_alt_sep = ''
let g:airline_right_sep = ''
let g:airline_right_alt_sep = ''
let g:airline_symbols.branch = ''
let g:airline_symbols.readonly = ''
"let g:airline_symbols.linenr = '☰'
let g:airline_symbols.maxlinenr = ''
let g:airline_symbols.dirty='⚡'