fix(preview): make scroll_preview fallback when inactive

lua/neo-tree/sources/common/commands.lua

@@ -669,8 +669,8 @@ M.toggle_preview = function(state)
   Preview.toggle(state)
 end
 
-M.scroll_preview = function(state)
-  Preview.scroll(state)
+M.scroll_preview = function(state, fallback)
+  Preview.scroll(state, fallback)
 end
 
 M.focus_preview = function()

lua/neo-tree/sources/common/preview.lua

@@ -489,15 +489,20 @@ Preview.focus = function()
   end
 end
 
-Preview.scroll = function(state)
+local CTRL_E = utils.keycode("<c-e>")
+local CTRL_Y = utils.keycode("<c-y>")
+Preview.scroll = function(state, fallback)
   local direction = state.config.direction
-  -- NOTE: Chars below are raw escape codes for <Ctrl-E>/<Ctrl-Y>
-  local input = direction < 0 and [[]] or [[]]
+  local input = direction < 0 and CTRL_E or CTRL_Y
   local count = math.abs(direction)
 
   if Preview:is_active() then
     vim.api.nvim_win_call(instance.winid, function()
-      vim.cmd([[normal! ]] .. count .. input)
+      vim.cmd(("normal! %s%s"):format(count, input))
+    end)
+  else
+    vim.api.nvim_buf_call(state.bufnr, function()
+      vim.cmd(("normal! %s"):format(utils.keycode(fallback)))
     end)
   end
 end

lua/neo-tree/ui/renderer.lua

@@ -13,7 +13,7 @@ local log = require("neo-tree.log")
 local windows = require("neo-tree.ui.windows")
 
 local M = { resize_timer_interval = 50 }
-local ESC_KEY = vim.api.nvim_replace_termcodes("<ESC>", true, false, true)
+local ESC_KEY = utils.keycode("<ESC>")
 local default_popup_size = { width = 60, height = "80%" }
 local draw, create_tree, render_tree
 
@@ -852,7 +852,7 @@ local set_buffer_mappings = function(state)
         if type(func) == "function" then
           resolved_mappings[cmd].handler = function()
             state.config = config
-            return func(state)
+            return func(state, cmd)
           end
           keymap.set(state.bufnr, "n", cmd, resolved_mappings[cmd].handler, map_options)
           if type(vfunc) == "function" then

lua/neo-tree/utils/init.lua

@@ -1363,6 +1363,14 @@ M.index_by_path = function(tbl, key)
   return value
 end
 
+---Backport of vim.keycode
+---@see vim.keycode
+---@param str string
+---@return string representation Internal representation of the keycodes
+function M.keycode(str)
+  return vim.api.nvim_replace_termcodes(str, true, true, true)
+end
+
 ---Iterate through a table, sorted by its keys.
 ---Compared to vim.spairs, it also accepts a method that specifies how to sort the table by key.
 ---