internal: added 'win.save_query', rename internal selection callback

lua/fzf-lua/core.lua

@@ -35,12 +35,12 @@ M.fzf_resume = function()
   end
 end
 
-M.fzf_wrap = function(opts, contents, fn_post)
+M.fzf_wrap = function(opts, contents, fn_selected)
   return coroutine.wrap(function()
-    opts.fn_post = opts.fn_post or fn_post
+    opts.fn_selected = opts.fn_selected or fn_selected
     local selected = M.fzf(opts, contents)
-    if opts.fn_post then
-      opts.fn_post(selected)
+    if opts.fn_selected then
+      opts.fn_selected(selected)
     end
   end)
 end
@@ -50,6 +50,9 @@ M.fzf = function(opts, contents)
   if not opts._normalized then
     opts = config.normalize_opts(opts, {})
   end
+  if opts.fn_pre_win then
+    opts.fn_pre_win(opts)
+  end
   -- support global resume?
   if opts.global_resume then
     config.__resume_data = config.__resume_data or {}
@@ -430,10 +433,6 @@ M.fzf_files = function(opts, contents)
       local idx = utils.tbl_length(opts.actions)>1 and 2 or 1
       for i = idx, #selected do
         selected[i] = path.entry_to_file(selected[i], opts.cwd).stripped
-        if opts.cb_selected then
-          local cb_ret = opts.cb_selected(opts, selected[i])
-          if cb_ret then selected[i] = cb_ret end
-        end
       end
     end
 

lua/fzf-lua/providers/quickfix.lua

@@ -31,10 +31,6 @@ local quickfix_run = function(opts, cfg, locations)
     utils.delayed_cb(cb)
   end
 
-  --[[ opts.cb_selected = function(_, x)
-    return x
-  end ]]
-
   opts = core.set_fzf_line_args(opts)
   return core.fzf_files(opts, contents)
 end

lua/fzf-lua/win.lua

@@ -301,7 +301,8 @@ function FzfWin:new(o)
   self.preview_border = not opt_matches(o, 'border', 'noborder')
   self.keymap = o.keymap
   self.previewer = o.previewer
-  self.previewer_type = o.previewer_type
+  self.prompt = o.prompt
+  self.fn_save_query = o.fn_save_query
   self._orphaned_bufs = {}
   self:_set_autoclose(o.autoclose)
   _self = self
@@ -568,11 +569,34 @@ function FzfWin:redraw()
     end
 end
 
+function FzfWin.save_query()
+  local self = _self
+  if not self then return end
+  local lines = vim.api.nvim_buf_get_lines(self.fzf_bufnr, 0, 1, false)
+  if not lines or vim.tbl_isempty(lines) then return end
+  local query = lines[1]:gsub("^"..self.prompt, ""):match("[^<]+")
+  -- trim whitespaces at the end
+  query = query and query:gsub("%s*$", "")
+  if self.fn_save_query then
+    self.fn_save_query(query)
+  end
+  -- print("query:", query)
+end
+
 function FzfWin:set_winleave_autocmd()
   vim.cmd("augroup FzfLua")
   vim.cmd("au!")
   vim.cmd(('au WinLeave <buffer> %s'):format(
     [[lua require('fzf-lua.win').win_leave()]]))
+  --[[ if self.fn_save_query then
+    -- if resume is enabled fire an event for every
+    -- key pressed so we can retreieve the typed query
+    -- TODO: InsertCharPre does not work for terminals
+    -- find another way to trigger save_query()
+    -- https://github.com/neovim/neovim/issues/5018
+    vim.cmd(('au InsertCharPre <buffer> %s'):format(
+      "lua require('fzf-lua.win').save_query()"))
+  end ]]
   vim.cmd("augroup END")
 end