First commit

Author: Luis Vasconcellos

plugin/interestingwords.vim

@@ -0,0 +1,93 @@
+" --------------------------------------------------------------------
+" This plugin was inspired and based on Steve Losh's interesting words
+" .vimrc config https://www.youtube.com/watch?v=xZuy4gBghho
+" --------------------------------------------------------------------
+
+let s:interestingWords = []
+let s:mids = []
+
+function! ColorWord(n)
+  let currentWord = expand('<cword>') . ''
+
+  if (index(s:interestingWords, currentWord) == -1)
+    let mid = 86750 + a:n
+
+    call add(s:interestingWords, currentWord)
+    call add(s:mids, mid)
+
+    normal! mz
+    normal! "zyiw
+
+    let pat = '\V\<' . escape(@z, '\') . '\>'
+
+    call matchadd("InterestingWord" . a:n, pat, 1, mid)
+
+    normal! `z
+  else
+    call UncolorWord()
+  endif
+endfunction
+
+function! UncolorWord()
+  let currentWord = expand('<cword>') . ''
+  let currentWordPosition = index(s:interestingWords, currentWord)
+
+  if (currentWordPosition > -1)
+    let mid = s:mids[currentWordPosition]
+
+    silent! call matchdelete(mid)
+
+    call remove(s:interestingWords, currentWordPosition)
+    call remove(s:mids, currentWordPosition)
+  endif
+endfunction
+
+function! WordNavigation(direction)
+  let currentWord = expand('<cword>') . ''
+
+  if (index(s:interestingWords, currentWord) > -1)
+    if (a:direction == 'forward')
+      normal! *
+    endif
+
+    if (a:direction == 'backward')
+      normal! #
+    endif
+  else
+    if (a:direction == 'forward')
+      silent! normal! n
+    endif
+
+    if (a:direction == 'backward')
+      silent! normal! N
+    endif
+  endif
+endfunction
+
+function! InterestingWords()
+  call ColorWord(len(s:interestingWords) + 1)
+endfunction
+
+function! UncolorAllWords()
+  if (len(s:mids) > 0)
+    for mid in s:mids
+      call matchdelete(mid)
+    endfor
+
+    call remove(s:mids, 0, -1)
+    call remove(s:interestingWords, 0, -1)
+  endif
+endfunction
+
+hi def InterestingWord1 guifg=#000000 ctermfg=16 guibg=#ffa724 ctermbg=214
+hi def InterestingWord2 guifg=#000000 ctermfg=16 guibg=#aeee00 ctermbg=154
+hi def InterestingWord3 guifg=#000000 ctermfg=16 guibg=#ff0000 ctermbg=121
+hi def InterestingWord4 guifg=#000000 ctermfg=16 guibg=#b88823 ctermbg=137
+hi def InterestingWord5 guifg=#000000 ctermfg=16 guibg=#0000ff ctermbg=211
+hi def InterestingWord6 guifg=#000000 ctermfg=16 guibg=#ff2c4b ctermbg=222
+
+nnoremap <silent> K         :call InterestingWords()<cr>
+nnoremap <silent> <leader>c :call UncolorAllWords()<cr>
+
+nnoremap <silent> n :call WordNavigation('forward')<cr>
+nnoremap <silent> N :call WordNavigation('backward')<cr>