add function toggle reading mode

Author: modood

.vimrc

@@ -62,7 +62,7 @@ autocmd BufNewFile,BufReadPost *.md set filetype=markdown
 autocmd BufNewFile,BufReadPost * if &filetype == "" | setlocal filetype=text | endif
 
 " Set tabstop shiftwidth expandtab listchars
-autocmd FileType * set ts=2 | set sw=2 | set et | set lcs=tab:▒░ | set list
+autocmd FileType * set ts=2 | set sw=2 | set et | set lcs=tab:▒░ | set list | call s:UpdateReadingMode()
 autocmd FileType go,make set noet | set nolist
 autocmd FileType go,make,proto,markdown set ts=4 | set sw=4
 
@@ -125,6 +125,27 @@ nmap <leader>= :vertical resize +2<CR>
 " reset all error checking: Stop the highlighting, close locationlist
 noremap <esc><esc><esc><esc> :nohl<cr>:lclose<cr>
 
+" reading mode
+function! s:UpdateReadingMode()
+ if exists('t:reading') && t:reading
+ set nolist
+ ShowTrailingWhitespaceOff
+ else
+ set list
+ ShowTrailingWhitespaceOn
+ endif
+endfunc
+function! s:ToggleReadingMode()
+ if exists('t:reading') && t:reading
+ let t:reading = 0
+ else
+ let t:reading = 1
+ endif
+ call s:UpdateReadingMode()
+endfunc
+command! ToggleReadingMode call s:ToggleReadingMode()
+noremap <space><space><space><space> :ToggleReadingMode<CR>
+
 " =========================================================
 set rtp+=~/.vim/bundle/Vundle.vim " set the runtime path to include Vundle and initialize
 call vundle#begin('~/.vim/bundle') " Specify a directory for plugins: begin('~/some/path/here')
@@ -216,6 +237,11 @@ let g:multi_cursor_skip_key='<C-x>'
 let g:multi_cursor_prev_key='<C-e>'
 let g:multi_cursor_quit_key='<Esc>'
 
+" =========================================================
+" Configuration: vim-scripts/ShowTrailingWhitespace
+command! -bar ShowTrailingWhitespaceOn call ShowTrailingWhitespace#Set(1,1)
+command! -bar ShowTrailingWhitespaceOff call ShowTrailingWhitespace#Set(0,1)
+
 " =========================================================
 " Configuration: mileszs/ack.vim
 " Just like |:Ack| but instead of the |quickfix| list,

README.md

@@ -15,6 +15,7 @@ curl -L https://github.com/modood/vimrc/raw/master/install.sh | bash
 | key | description | plugin |
 |:----|:------------|:-------|
 | `<esc><esc><esc><esc>` | reset all error checking: <br/>1. stop the highlighting<br/>2. close locationlist<br/>3. reset syntastic | - |
+| `<space><space><space><space>` | toggle reading mode | - |
 | `:w!!` | sudo & write a file | - |
 | `<v>` | expand region expand | vim-expand-region |
 | `<s>` | s{char} to move to {char} | vim-easymotion |