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syntax on
filetype plugin on
set autoindent

"colours!
colorscheme anotherdark
set background=dark

"tab controls to match pentadactyl
map <C-n> <Esc>:tabn<CR>
map <C-p> <Esc>:tabp<CR>
map <C-t> <Esc>:tabnew<CR>

"insert lines above and below with (=|+)
"very hackish, but i couldn't think of a better way
nnoremap = Oa<C-u><Esc>j
nnoremap + oa<C-u><Esc>k

"disable auto session save/load
let g:session_autosave = 'no'
let g:session_autoload = 'no'

"folds!
map fo zO
map fc zC
map fm zM
map fr zR


"copy words from above and below the cursor
inoremap <expr> <c-y> pumvisible() ? "\<c-y>" : matchstr(getline(line('.')-1), '\%' . virtcol('.') . 'v\%(\k\+\\|.\)')
inoremap <expr> <c-e> pumvisible() ? "\<c-e>" : matchstr(getline(line('.')+1), '\%' . virtcol('.') . 'v\%(\k\+\\|.\)')

"use the X clipboard for things when running in a virtual terminal, because yes
if &term != "linux"
	nnoremap <expr> y (v:register ==# '"' ? '"+' : '') . 'y'
	nnoremap <expr> Y (v:register ==# '"' ? '"+' : '') . 'Y'
	xnoremap <expr> y (v:register ==# '"' ? '"+' : '') . 'y'
	xnoremap <expr> Y (v:register ==# '"' ? '"+' : '') . 'Y'
	
	nnoremap <expr> d (v:register ==# '"' ? '"+' : '') . 'd'
	nnoremap <expr> D (v:register ==# '"' ? '"+' : '') . 'D'
	xnoremap <expr> d (v:register ==# '"' ? '"+' : '') . 'd'
	xnoremap <expr> D (v:register ==# '"' ? '"+' : '') . 'D'
	
	nnoremap <expr> p (v:register ==# '"' ? '"+' : '') . 'p'
	nnoremap <expr> P (v:register ==# '"' ? '"+' : '') . 'P'
	xnoremap <expr> p (v:register ==# '"' ? '"+' : '') . 'p'
	xnoremap <expr> P (v:register ==# '"' ? '"+' : '') . 'P'
end

"annoying syntax-related values that need to be set before files are
"opened
let g:c_no_comment_fold = 1
let g:c_no_if0_fold = 1

"other filetype-specific settings. i can't figure out how to stick all
"the FileTypes in one list (mostly because i have no idea what i'm
"doing with viml), so separate lines it is.
autocmd FileType c call Settings_c()
autocmd FileType cpp call Settings_c()
autocmd FileType perl call Settings_perl()

function! Settings_c()
	setlocal cindent
	set foldmethod=syntax
endfunction

function! Settings_perl()
	setlocal smartindent
endfunction