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" -------------------------------
" Global options
" -------------------------------
"colorscheme ice
colorscheme default
" Colors
if has('termguicolors')
set termguicolors
endif
" Cursor can rest beyond the last character
set virtualedit=onemore
" Highlight
set hlsearch
" Options
syntax on
set number
set tabstop=8
set shiftwidth=8
set softtabstop=8
set noexpandtab
set autoindent
set smartindent
set scrolloff=999
set relativenumber
set mouse=a
" Line numbers
hi LineNr ctermfg=7 ctermbg=NONE guifg=#505050 guibg=NONE
hi CursorLineNr ctermfg=7 ctermbg=NONE guifg=#505050 guibg=NONE
" -------------------------------
" Toggle between default and kernel-style settings
" -------------------------------
let g:vim_kernel_mode = 1 " 0 = personal, 1 = kernel
function! ToggleListStyle()
if g:vim_kernel_mode
" Kernel style settings
set list " show tabs, trailing spaces, eol
set listchars=tab:>-,trail:~,eol:$
let g:vim_list_mode = 1
echo "List mode"
else
" Restore your personal settings
set nolist
set listchars=
let g:vim_list_mode = 0
echo "No list mode"
endif
" toggle the mode for next call
let g:vim_kernel_mode = !g:vim_kernel_mode
endfunction
" -------------------------------
" Statusbar
" -------------------------------
function! VisualModeLineCount()
if mode() =~# 'v'
return '['.(line("'>") - line("'<") + 1).' lines selected]'
endif
return ''
endfunction
function! ModifiedFlag()
if &modified
return '[Modified]' " Your custom text
endif
return '' " Empty if not modified
endfunction
function! ReadOnlyFlag()
if &readonly
return '[Read-only]' " Your custom text
endif
return '' " Empty if not modified
endfunction
" Function to display current column / total columns in current line
function! ColAndTotal()
return printf('%d/%d', col('.'), col('$'))
endfunction
" Full-width statusline
set laststatus=2
" LEFT Side
set statusline=
set statusline+=%f " File name
set statusline+=\ [%l:%{ColAndTotal()}] " Line and column / total columns
set statusline+=\ [%L/%p%%] " Total lines and percent
set statusline+=%{VisualModeLineCount()} " Selected lines in visual mode
set statusline+=%{ModifiedFlag()} " Custom modified flag
" CENTER filler (optional)
set statusline+=%=
" RIGHT side
set statusline+=\ [%y] " Filetype
set statusline+=%{ReadOnlyFlag()}
" Status bar transparent
hi StatusLine ctermbg=0 cterm=NONE
" Disable expandtab for make files
autocmd FileType make setlocal noexpandtab
" System clipboard
if has("clipboard")
set clipboard=unnamedplus
endif
" ===============================
" Kernel-style 80-column guide for C files
" ===============================
" Use ftplugin for C files only
augroup c_kernel_style
autocmd!
" Trigger for C files
autocmd FileType c call s:kernel_c_setup()
augroup END
function! s:kernel_c_setup()
" Highlight the 80th column
setlocal colorcolumn=80
" Optional: show cursor position
setlocal ruler
" Optional: soft wrap for comments
setlocal textwidth=80
setlocal formatoptions+=t
" Optional: subtle color for colorcolumn (works in GUI or truecolor terminals)
hi ColorColumn ctermbg=236 guibg=#3a3a3a
endfunction
" -------------------------------
" Keymaps
" -------------------------------
" F2: absolute numbers only
nnoremap <F2> :set number!<CR>
" F4: absolute numbers only
nnoremap <F4> :set relativenumber!<CR>
" F5: Search highlight
nnoremap <F5> :nohlsearch<CR>
" F6: to toggle kernel style
nnoremap <F6> :call ToggleListStyle()<CR>
" F7: remove all trailing line
nnoremap <F7> :%s/\s\+$//e<CR>
" F8 will run checkpatch.pl and populate quickfix list
nnoremap <F8> :w<CR>:cexpr system('checkpatch.pl --no-tree --file ' . expand('%:p'))<CR>:cwindow<CR>
" Quickfix navigation with Shift + > / Shift + <
" Note: Vim sees these as > and < in normal mode
nnoremap > :cnext<CR>
nnoremap < :cprev<CR>
if &term =~ 'tmux\|xterm\|konsole'
" Map HOME key to move to beginning of line in normal mode
noremap <Esc>[1~ 0
noremap <Esc>[H 0
noremap <Esc>OH 0
endif
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