Allow double click to select to match

autoload/matchup.vim

@@ -129,6 +129,10 @@ function! s:init_default_mappings()
     " call s:map('i', '<c-x><cr>',  '<plug>(matchup-delim-close)')
     " XXX other maps..?
   endif
+
+  if get(g:, 'matchup_mouse_enabled', 1)
+    call s:map('n', '<2-LeftMouse>', '<plug>(matchup-double-click)')
+  endif
 endfunction
 
 let s:modules = map(

autoload/matchup/text_obj.vim

@@ -21,6 +21,9 @@ function! matchup#text_obj#init_module() " {{{1
     execute 'o' . l:p1 . 'i' . l:p2 . '(1, 0' . l:p3
     execute 'o' . l:p1 . 'a' . l:p2 . '(0, 0' . l:p3
   endfor
+
+  nnoremap <silent> <plug>(matchup-double-click)
+    \ :<c-u>call matchup#text_obj#double_click()<cr>
 endfunction
 
 " }}}1
@@ -176,6 +179,15 @@ function! matchup#text_obj#delimited(is_inner, visual, type) " {{{1
   call matchup#pos#set_cursor(l:l2, l:c2)
 endfunction
 
+" }}}1
+function! matchup#text_obj#double_click() " {{{1
+  if empty(matchup#delim#get_current('all', 'both_all'))
+    execute "normal! \<2-LeftMouse>"
+  else
+    execute "normal v1\<plug>(matchup-a%)"
+  endif
+endfunction
+
 " }}}1
 
 let &cpo = s:save_cpo