dot_vimrc

" **** NOTE: Unused legacy Vim configuration ****

" -----------------
" SJR customisation
" -----------------

" Don't need vi compatibility.
set nocompatible

" Set <Leader> character.
let mapleader = ","

set encoding=utf-8
set directory=~/.vim/swap//   "swap files
set backup
set backupdir=$HOME/.vim/backups//
set undofile
set undodir=$HOME/.vim/undo

if has("gui_running")
  colorscheme desert
  highlight Normal guibg=grey15
  set guifont=Monospace\ 10
  set guioptions-=m  "remove menu bar
  set guioptions-=T  "remove toolbar
  set guioptions-=r  "remove right-hand scroll bar

  " gx command opens URI under cursor in browser.
  " See http://vi.stackexchange.com/questions/5032/gx-not-opening-url-in-gvim-but-works-in-terminal
  "let g:netrw_browsex_viewer="setsid xdg-open"

  " Use standard Windows functions for Ctrl+C, Ctrl+V, Ctrl+X, Ctrl+S,
  " Ctrl+A, Ctrl+Tab, Ctrl+F4 etc.
  " Only seems to work with gvim.
  source $VIMRUNTIME/mswin.vim
  behave mswin
endif


" vim-plug plugin management

call plug#begin('~/.vim/plugged')
" Declare plugins
Plug 'junegunn/vim-plug'
Plug 'jlanzarotta/bufexplorer'
let g:polyglot_disabled = ['markdown']  "markdown is incompatible with rimu syntax
Plug 'sheerun/vim-polyglot'
Plug 'editorconfig/editorconfig-vim'
Plug 'farmergreg/vim-lastplace'
call plug#end()

" Show command parameters on status line.
set showcmd

" Always keep a couple of lines above and below the cursor.
set scrolloff=2

" Mainly to suppress beeping under Windows.
set visualbell

" Intelligent case-sensitive search (ignorecase must be set for smartcase to
" work).
set ignorecase
set smartcase

" Replace all occurences on line by default (use g flag to replace the first).
"set gdefault

" Highlight search result as you type.
set incsearch
set showmatch
set hlsearch

set ruler

" Specify what to save in ~/.viminfo
set viminfo='1000,h,!,:500,@500,/500

" Optimize colors for dark background (overrides default auto sense).
set background=dark
" Highlight search in red.
hi Search term=reverse ctermfg=white ctermbg=red guifg=white guibg=Red

" Disable folding.
set nofoldenable

" So buffers can be switched without having to save first.
set hidden

" No insert mode backspace/delete boundaries.
set backspace=indent,eol,start

syntax on
filetype on
filetype indent on
filetype plugin on

" Show tabs and trailing characters.
"set listchars=tab:»·,trail:·,eol:¬
set listchars=tab:»·,trail:·
set list

" If we don't do this spaces are highlighted in the margin of changelog files.
let g:changelog_spacing_errors = 0

" I prefer to return to the column rather than start of line.
nnoremap '' ``
nnoremap ' `

" Space to page down like most browsers.
" nnoremap <Space> <PageDown>

" Make line title case
nnoremap gt :s/\<\(\w\)\(\w*\)\>/\u\1\L\2/g<CR>

" Turn off search and spelling highlights.
nnoremap <Leader><space> :nohls<CR>:set nospell<CR>

" Highlight all occurrences of word under the cursor.
nnoremap <Leader>h :let @/=expand("<cword>")<CR>:set hls<CR>

" Spell checking on.
nnoremap <Leader>s :set spell<CR>

" Go to next spelling error.
nnoremap <Leader>d ]s

" Make spelling suggestion for word under the cursor.
nnoremap <Leader>D z=

" Reformat paragraphs and list.
nnoremap <Leader>r gq}
nnoremap <C-R> gq}
nnoremap Q gq}

" Undo.
nnoremap U :redo<CR>

" Expand tabs to spaces and delete trailing white space and Dos-returns.
nnoremap <Leader>t :set et<CR>:retab!<CR>:silent! %s/[\r \t]\+$//<CR>

" Retab text and delete trailing white space and Dos-returns.
nnoremap <Leader>T :set noet<CR>:retab!<CR>:set et<CR>:silent! %s/[\r \t]\+$//<CR>

" Save all
nnoremap <Leader>w :wa<CR>

" Save all and exit
nnoremap <Leader>q :xa<CR>

" Close buffer
nnoremap <Leader>c :bd<CR>

" Paste toggle.
nnoremap <Leader>v :set invpaste<CR>

" Toggle to previous buffer.
nnoremap <Leader>, <C-^>
nnoremap <C-Tab> <C-^>

" Latin long vowels.
imap <Leader>a ā
imap <Leader>e ē
imap <Leader>i ī
imap <Leader>o ō
imap <Leader>u ū

" Buffer Explorer.
nnoremap <silent> <Leader>f :BufExplorer<CR>

" Auto-save when gvim loses focus (NOTE: Does not work with terminal Vim).
autocmd FocusLost * silent! wall

" Highlight wrapped lines. But it spoils terminal cut-and-paste so need to
" explicitly unset all the subsequently set on a per buffer basis.
autocmd BufEnter * set showbreak=

" Default tab expansion and tab stops.
autocmd BufRead,BufNewFile *
        \ setlocal autoindent expandtab tabstop=8 softtabstop=2 shiftwidth=2

" Specific tab stops and options.
autocmd BufRead,BufNewFile *.rmu,*.txt,README,TODO,CHANGELOG,NOTES,ABOUT
        \ setlocal textwidth=70 wrap formatoptions+=t
        \ formatlistpat=^\\s*\\d\\+\\.\\s\\+\\\\|^\\s*[a-zA-Z.]\\.\\s\\+\\\\|^\\s*[ivxIVX]\\+\\.\\s\\+
autocmd BufRead,BufNewFile *.{cs,c,h,cc,py,php,go}
        \ setlocal softtabstop=4 shiftwidth=4
autocmd BufRead,BufNewFile *.{sh,zsh},.bashrc,bash_profile,.zshrc
        \ setlocal softtabstop=4 shiftwidth=4
autocmd BufRead,BufNewFile *.{groovy,gradle,gant,java,kt,kts}
        \ setlocal softtabstop=4 shiftwidth=4

" File type exceptions.
autocmd BufRead,BufNewFile Jakefile setlocal filetype=javascript
autocmd BufRead,BufNewFile *.md setlocal syntax=rimu
autocmd BufRead,BufNewFile *.rmu setlocal filetype=rimu
autocmd BufRead,BufNewFile *.txt setlocal filetype=asciidoc
autocmd BufNewFile,BufRead *.gradle,*.gant setlocal filetype=groovy

if has("gui_running")
  " Session auto load and save.
  autocmd VimEnter * nested :source $HOME/.vim/sessions/default
  set sessionoptions+=winpos,resize
  autocmd VimLeave * :mksession! $HOME/.vim/sessions/default
endif