feat: add config.fuzzy_finder_mappings to customize mappings for popup input window in fuzzy_finder_mode

related issue: #451 (comment)

Author: adoyle-h

README.md

@@ -292,7 +292,21 @@ use {
               ["<c-x>"] = "clear_filter",
               ["[g"] = "prev_git_modified",
               ["]g"] = "next_git_modified",
-            }
+            },
+
+            fuzzy_finder_mappings = nil, -- use a custom function for defining keymaps in popup input window
+            -- fuzzy_finder_mappings = function(input, state, scroll_padding)
+            --   -- you can use input:unmap('i', '<C-n>', true) to remove imap "<C-n>" defined by neo-tree
+            --   input:map('i', '<C-j>', function()
+            --     local renderer = require('neo-tree.ui.renderer')
+            --     renderer.focus_node(state, nil, true, 1, scroll_padding)
+            --   end, { noremap = true })
+            --   input:map('i', '<C-k>', function()
+            --     local renderer = require('neo-tree.ui.renderer')
+            --     renderer.focus_node(state, nil, true, -1, scroll_padding)
+            --     vim.cmd('redraw!')
+            --   end, { noremap = true })
+            -- end,
           }
         },
         buffers = {

lua/neo-tree/defaults.lua

@@ -369,7 +369,8 @@ local config = {
         ["."] = "set_root",
         ["[g"] = "prev_git_modified",
         ["]g"] = "next_git_modified",
-      }
+      },
+      fuzzy_finder_mappings = nil , -- use a custom function for defining keymaps in popup input window
     },
     async_directory_scan = "auto", -- "auto"   means refreshes are async, but it's synchronous when called from the Neotree commands.
                                    -- "always" means directory scans are always async.

lua/neo-tree/sources/filesystem/lib/filter.lua

@@ -4,13 +4,11 @@ local vim = vim
 local Input = require("nui.input")
 local event = require("nui.utils.autocmd").event
 local fs = require("neo-tree.sources.filesystem")
-local inputs = require("neo-tree.ui.inputs")
 local popups = require("neo-tree.ui.popups")
 local renderer = require("neo-tree.ui.renderer")
 local utils = require("neo-tree.utils")
 local log = require("neo-tree.log")
 local manager = require("neo-tree.sources.manager")
-local renderer = require("neo-tree.ui.renderer")
 
 local M = {}
 
@@ -214,6 +212,11 @@ M.show_filter = function(state, search_as_you_type, fuzzy_finder_mode, use_fzy)
     input:map("i", "<C-n>", move_cursor_down, { noremap = true })
     input:map("i", "<up>", move_cursor_up, { noremap = true })
     input:map("i", "<C-p>", move_cursor_up, { noremap = true })
+
+    local fuzzy_finder_mappings = require("neo-tree").config.filesystem.window.fuzzy_finder_mappings
+    if fuzzy_finder_mappings then
+      fuzzy_finder_mappings(input, state, scroll_padding)
+    end
   end
 end