filetype plugin on
syntax on
colorscheme deus

" don't clutter directories with backup files
set nobackup
set nowritebackup

set tabstop=4
set shiftwidth=4	" set to same as tabstop for auto-indent
set foldmethod=syntax
set foldnestmax=1
set foldcolumn=2
set autoindent

" filename auto-completion
set wildmode=longest,list,full
set wildmenu

" attempts to fix delay when mode switch, also need tmux option	"set -s escape-time 0"
set ttimeoutlen=10

" line numbering gutter
set number
set numberwidth=3
set cpoptions+=n	" use gutter for wrapped lines
highlight LineNr term=bold cterm=NONE ctermfg=DarkGrey ctermbg=NONE gui=NONE guifg=DarkGrey guibg=NONE

" airline plugin stuffs
set laststatus=2
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#formatter = 'default'
let g:airline_theme='bubblegum'
let g:airline_left_sep = ''
let g:airline_left_alt_sep = ''
let g:airline_right_sep = ''
let g:airline_right_altsep = ''
let g:airline_section_c = '%{getcwd()}'
let g:airline_section_warning = ''	" disable whitespace warnings

" custom keybinds
"	C-PageUp/Down conflicts with xfce-terminal, so there is a trick to fixing
"	https://unix.stackexchange.com/questions/159979/xfce4-terminal-disable-individual-shortcut
map <C-PageDown> :bnext<CR>
map <C-PageUp> :bprev<CR>
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>
map <F5> :make<CR>
map <F6> :ccl<CR>

" Automatically open, but do not go to (if there are errors) the quickfix /
" location list window, or close it when is has become empty.
"
" Note: Must allow nesting of autocmds to enable any customizations for quickfix
" buffers.
" Note: Normally, :cwindow jumps to the quickfix window if the command opens it
" (but not if it's already open). However, as part of the autocmd, this doesn't
" seem to happen.
autocmd QuickFixCmdPost [^l]* nested cwindow
autocmd QuickFixCmdPost    l* nested lwindow

" fix keycodes when running inside tmux
" http://tmux-users.narkive.com/M9tIqoa0/c-pageup-and-c-pagedown-seems-not-to-work-in-tmux
if &term =~ '^screen' && exists('$TMUX')
	" Mouse mode
	set mouse+=a
	set ttymouse=xterm2

	" tmux sends xterm-style keys when xterm-keys option is on
	execute "set <xUp>=\e[1;*A"
	execute "set <xDown>=\e[1;*B"
	execute "set <xRight>=\e[1;*C"
	execute "set <xLeft>=\e[1;*D"
	execute "set <xHome>=\e[1;*H"
	execute "set <xEnd>=\e[1;*F"
	execute "set <Insert>=\e[2;*~"
	execute "set <Delete>=\e[3;*~"
	execute "set <PageUp>=\e[5;*~"
	execute "set <PageDown>=\e[6;*~"
	execute "set <xF1>=\e[1;*P"
	execute "set <xF2>=\e[1;*Q"
	execute "set <xF3>=\e[1;*R"
	execute "set <xF4>=\e[1;*S"
	execute "set <F5>=\e[15;*~"
	execute "set <F6>=\e[17;*~"
	execute "set <F7>=\e[18;*~"
	execute "set <F8>=\e[19;*~"
	execute "set <F9>=\e[20;*~"
	execute "set <F10>=\e[21;*~"
	execute "set <F11>=\e[23;*~"
	execute "set <F12>=\e[24;*~"
endif