vim: add a script options section

vim/vimrc

@@ -1,3 +1,28 @@
+" Script Settings ------------------------------------------------------------|
+
+let s:colors=[
+\	'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 s:columns=80      " GUI columns
+let s:rows=24         " GUI rows
+let s:cr_scheme=-1    " color from s:colors, -1 = random
+let s:number=1        " 0=no number, 1=enable relativenumber, 2=enable number
+let s:enable_list=1   " enable whitespace visibility (2=also newlines)
+let s:enable_qt=1     " enable Qt C++ highlighting
+let s:enable_tagbar=0 " enable tagbar addon
+let s:enable_vsp=0    " enable vertical split on enter
+
 " Settings -------------------------------------------------------------------|
 
 " general settings (use :help for these)
@@ -23,16 +48,30 @@ set ruler
 set showcmd
 set noshowmode
 
-set numberwidth=2
-set relativenumber
+if s:number == 1
+	set numberwidth=2
+	set relativenumber
+	let s:columns+=2
+elseif s:number == 2
+	set numberwidth=4
+	set relativenumber
+	set number
+	let s:columns+=4
+endif
 
 set colorcolumn=80
 set conceallevel=1
 
 set belloff=all
 
-set list
-set listchars=tab:»—,eol:¶,space:·,trail:∴,extends:>,precedes:<
+if s:enable_list >= 1
+	set list
+	set listchars=tab:»—,space:·,trail:∴,extends:>,precedes:<
+
+	if s:enable_list >= 2
+		set listchars+=eol:¶
+	endif
+endif
 
 " general movement and ergonomics
 set linebreak
@@ -87,6 +126,8 @@ set fileformats=unix,dos,mac
 set hidden
 set updatetime=500
 
+" Plugin Settings ------------------------------------------------------------|
+
 " bufexplorer
 let g:bufExplorerDisableDefaultKeyMapping=1
 
@@ -139,8 +180,8 @@ if has('gui_running')
 	set guioptions=agit
 	set guitablabel=%N.%t
 
-	set lines=24
-	set columns=83
+	let &lines=s:rows
+	let &columns=s:columns
 else
 	" use high-color terminal capabilities
 	let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
@@ -204,24 +245,18 @@ else
 	set directory=$HOME/.vim/temp//
 endif
 
-" set up colors and file types
-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
+" Highlighting ---------------------------------------------------------------|
+
+if s:enable_qt == 1
+	syntax keyword cppSTLnamespace Qt
+endif
 
 syntax on
 
+if s:cr_scheme != -1
+	execute 'colorscheme' s:colors[s:cr_scheme]
+endif
+
 filetype on
 filetype plugin on
 filetype indent on
@@ -340,8 +375,8 @@ au BufNewFile,BufRead *.s,*.inc setlocal shiftwidth=8 filetype=asm_ca65
 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)]
+if s:cr_scheme == -1
+	au BufEnter * execute 'colorscheme' s:colors[localtime() % len(s:colors)]
 endif
 
 " .rkt → Racket
@@ -355,14 +390,18 @@ au BufReadPre * let b:did_ftplugin=1
 au BufReadPre *.rkt unlet b:did_ftplugin
 
 " enable tagbar
-"au VimEnter * nested :TagbarOpen
+if s:enable_tagbar == 1
+	au VimEnter * nested :TagbarOpen
+endif
 
 " rust.vim sets Cargo.toml to use filetype `cfg` even though it shouldn't, to
 " fix this we simply do the same thing before it has a chance to
 au BufRead,BufNewFile Cargo.toml if &filetype == "" | set filetype=toml | endif
 
 " vertical split on enter
-"au VimEnter * vsplit
+if s:enable_vsp == 1
+	au VimEnter * vsplit
+endif
 
 " suppress readonly warnings
 au BufEnter * set noreadonly