From edb11e5e1dc73e3f239f0c8b20c3f78352ef8ed9 Mon Sep 17 00:00:00 2001
From: Sanchayan Maity <sanchayan@sanchayanmaity.net>
Date: Sat, 14 May 2022 09:10:13 +0530
Subject: [PATCH] nvim: plugin/visual-star-search: Use custom visual star
 search

neovim enabled search selection by * and # in visual mode but seems
that is not good enough.
https://github.com/neovim/neovim/pull/18538#pullrequestreview-971039192

Add and use Justin Keyes version referenced above.
---
 .../nvim/plugin/visual-star-search.vim        | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 nvim/.config/nvim/plugin/visual-star-search.vim

diff --git a/nvim/.config/nvim/plugin/visual-star-search.vim b/nvim/.config/nvim/plugin/visual-star-search.vim
new file mode 100644
index 0000000..198fa55
--- /dev/null
+++ b/nvim/.config/nvim/plugin/visual-star-search.vim
@@ -0,0 +1,23 @@
+func! s:get_visual_selection_list() abort
+  let [lnum1, col1] = getpos("'<")[1:2]
+  let [lnum2, col2] = getpos("'>")[1:2]
+  let lines = getline(lnum1, lnum2)
+  let lines[-1] = lines[-1][: col2 - (&selection ==? 'inclusive' ? 1 : 2)]
+  let lines[0] = lines[0][col1 - 1:]
+  return lines
+endf
+
+func! s:get_visual_selection_searchpattern() abort
+  let lines = s:get_visual_selection_list()
+  let lines = map(lines, 'escape(v:val, ''/\'')')
+  " Join with a _literal_ \n to make a valid search pattern.
+  return join(lines, '\n')
+endf
+
+" Read last visual-selection into command line
+cnoremap <c-r><c-v> <c-r>=join(<sid>get_visual_selection_list(), " ")<cr>
+inoremap <c-r><c-v> <c-r>=join(<sid>get_visual_selection_list(), " ")<cr>
+
+xnoremap * <esc>ms/\V<c-r>=<sid>get_visual_selection_searchpattern()<cr><cr>
+nnoremap <silent> *  ms:<c-u>let @/='\V\<'.escape(expand('<cword>'), '/\').'\>'<bar>call histadd('/',@/)<bar>set hlsearch<cr>
+nnoremap <silent> g* ms:<c-u>let @/='\V' . escape(expand('<cword>'), '/\')     <bar>call histadd('/',@/)<bar>set hlsearch<cr>