From fe64c098dd41fe887e05a9c55269804a9675cd00 Mon Sep 17 00:00:00 2001
From: Alison Watson <marrub.xz@gmail.com>
Date: Sat, 27 Jul 2019 14:35:51 -0400
Subject: [PATCH] vim: tweak visuals

---
 vim/vimrc | 153 ++++++++++++++++++++++++++----------------------------
 1 file changed, 75 insertions(+), 78 deletions(-)

diff --git a/vim/vimrc b/vim/vimrc
index 8beb7e3..fd01cd4 100644
--- a/vim/vimrc
+++ b/vim/vimrc
@@ -7,26 +7,26 @@ set autochdir
 set laststatus=2
 
 " visuals
-set statusline=[%{&syntax}]\ %f
-set statusline+=%r
-set statusline+=%m
-set statusline+=\ %{FugitiveStatusline()}
-"set statusline+=\ %{tagbar#currenttag('←\ %s\ ','','f')}
-set statusline+=\ %=
+set statusline=%{StatuslinePrelude()}
+set statusline+=%{ModePrint()}
+set statusline+=\ %r
+set statusline+=\ %{&filetype}
+set statusline+=\ %f
+set statusline+=%=
+set statusline+=\ %m
 set statusline+=\ %{FileSize()}
-set statusline+=\ %4l:%-3c
-set statusline+=\ %4L
+set statusline+=\ ↑%4l→%-3c
+set statusline+=\ ↓%5L
 set statusline+=\ %3p%%
 
 set ruler
 set showcmd
 set noshowmode
 
-set numberwidth=4
-"set relativenumber
-"set number
+set numberwidth=2
+set relativenumber
 
-set colorcolumn=81
+set colorcolumn=80
 set conceallevel=1
 
 set belloff=all
@@ -132,50 +132,6 @@ let g:zig_fmt_autosave=0
 " polyglot
 let g:polyglot_disabled=['c++11']
 
-" airline
-let g:airline_powerline_fonts=1
-
-let g:airline_mode_map = {
-\	'__'   : '-',
-\	'c'    : '/',
-\	'i'    : 'I',
-\	'ic'   : 'i',
-\	'ix'   : 'ï',
-\	'n'    : '~',
-\	'multi': 'M',
-\	'ni'   : 'N',
-\	'no'   : 'n',
-\	'R'    : 'R',
-\	'Rv'   : 'r',
-\	's'    : 's',
-\	'S'    : 'S',
-\	''   : 'ß',
-\	't'    : 't',
-\	'v'    : 'v',
-\	'V'    : 'V',
-\	''   : 'ʌ',
-\}
-
-let g:airline#extensions#default#section_truncate_width={}
-
-fu! AirlineInit()
-	let spc = g:airline_symbols.space
-
-	call airline#parts#define_function('mfsize', 'FileSize')
-
-	let g:airline_section_a=airline#section#create_left(['mode', 'readonly'])
-	let g:airline_section_b=airline#section#create(['filetype', 'hunks', 'branch', 'tagbar'])
-	let g:airline_section_c=airline#section#create(['file'])
-
-	let g:airline_section_x=airline#section#create_right([])
-	let g:airline_section_y=airline#section#create_right(['mfsize'])
-	let g:airline_section_z=airline#section#create_right(['%4l:%-3c'.spc, '%4L'.spc, '%3p%%'])
-	let g:airline_section_error=''
-	let g:airline_section_warning=''
-endfu
-
-au User AirlineAfterInit call AirlineInit()
-
 " gui and terminal specific settings
 if has('gui_running')
 	set guicursor+=i:hor10-Cursor
@@ -184,7 +140,7 @@ if has('gui_running')
 	set guitablabel=%N.%t
 
 	set lines=24
-	set columns=80
+	set columns=83
 else
 	" use 256-color terminal capabilities
 	set t_Co=256
@@ -248,27 +204,20 @@ else
 endif
 
 " set up colors and file types
-colorscheme quantum
-
-" good color schemes:
-" aurora
-" badwolf
-" candid
-" base16-ashes
-" base16-atelier-cave
-" base16-atelier-forest
-" base16-atelier-heath
-" base16-atelier-sulphurpool
-" base16-circus
-" base16-dracula
-" base16-material-palenight
-" base16-monokai
-" base16-onedark
-" base16-porple
-" base16-unikitty-dark
-" base16-zenburn
-" plastic
-" quantum
+let g:good_cr=[
+\	'base16-ashes',
+\	'base16-atelier-cave',
+\	'base16-atelier-forest',
+\	'base16-atelier-heath',
+\	'base16-circus',
+\	'base16-dracula',
+\	'base16-material-palenight',
+\	'base16-monokai',
+\	'base16-onedark',
+\	'base16-porple',
+\	'base16-unikitty-dark',
+\]
+let g:cr_scheme=-1 " -1 = random
 
 syntax on
 
@@ -301,6 +250,49 @@ fu! FileSize()
 	endif
 endfu
 
+" Mode printer
+fu! ModePrint()
+	let mode_map = {
+\		'n'    : '~ ',
+\		'no'   : 'n ',
+\		'nov'  : 'n→',
+\		'noV'  : 'n↓',
+\		'no' : 'n↔',
+\		'niI'  : '←i',
+\		'niR'  : '←R',
+\		'niV'  : '←v',
+\		'v'    : 'v→',
+\		'V'    : 'v↓',
+\		''   : 'v↔',
+\		's'    : 's→',
+\		'S'    : 's↓',
+\		''   : 's↔',
+\		'i'    : 'i ',
+\		'ic'   : '↗c',
+\		'ix'   : '↗x',
+\		'R'    : 'R ',
+\		'Rc'   : '↗r',
+\		'Rv'   : "R'",
+\		'Rx'   : '↗X',
+\		'c'    : '% ',
+\		'cv'   : ":'",
+\		'ce'   : ': ',
+\		'r'    : '↲ ',
+\		'rm'   : '⎬ ',
+\		'r?'   : "↲'",
+\		'!'    : '… ',
+\		't'    : '…!',
+\	}
+	return mode_map[mode()]
+endfu
+
+" Statusline prelude function
+fu! StatuslinePrelude()
+	hi clear StatusLine
+	hi StatusLine guibg=#0a0a0a guifg=#92ebf0
+	return ''
+endfu
+
 " Strip whitespace on buffer write
 fu! s:StripWhite()
 ruby<<
@@ -346,6 +338,11 @@ au BufNewFile,BufRead *.s,*.inc setlocal shiftwidth=8 filetype=asm_ca65
 " close empty buffers automatically
 au BufEnter * call s:CloseEmptyBuffers()
 
+" set color randomly on buffer enter
+if g:cr_scheme == -1
+	au BufEnter * execute 'colorscheme' g:good_cr[localtime() % len(g:good_cr)]
+endif
+
 " .rkt → Racket
 au BufRead,BufNewFile *.rkt set syntax=racket