feat(#2411): add renderer.highlight_bookmarks, renderer.icons.bookmarks_placement (#2412)

* feat(#1079): add highlight NvimTreeCopiedText and NvimTreeCutText

* feat(#1079): add highlight NvimTreeCopiedText and NvimTreeCutText

* feat(#1079): node may not be present in copy and cut

* feat(#2411): bookmark highlight and icon placement

* feat(#1079): add renderer.highlight_clipboard

* feat(#1079): add renderer.highlight_clipboard

* feat(#2411): bookmark highlight and icon placement

* feat(#2411): bookmark highlight and icon placement

* style

* feat(#2411): bookmark highlight and icon placement

* feat(#2411): bookmark highlight and icon placement

* feat(#2411): bookmark highlight and icon placement

* feat(#2411): bookmark highlight and icon placement

lua/nvim-tree/renderer/components/bookmarks.lua

@@ -0,0 +1,51 @@
+local marks = require "nvim-tree.marks"
+
+local HL_POSITION = require("nvim-tree.enum").HL_POSITION
+
+local M = {
+  ICON = {},
+  hl_pos = HL_POSITION.none,
+}
+
+---Bookmark highlight group and position when highlight_bookmark.
+---@param node table
+---@return HL_POSITION position none when clipboard empty
+---@return string|nil group only when node present in clipboard
+function M.get_highlight(node)
+  if M.hl_pos == HL_POSITION.none then
+    return HL_POSITION.none, nil
+  end
+
+  local mark = marks.get_mark(node)
+  if mark then
+    return M.hl_pos, "NvimTreeBookmarkHL"
+  else
+    return HL_POSITION.none, nil
+  end
+end
+
+---bookmark icon if marked
+---@param node table
+---@return HighlightedString|nil bookmark icon
+function M.get_icon(node)
+  if M.config.renderer.icons.show.bookmarks and marks.get_mark(node) then
+    return M.ICON
+  end
+end
+
+function M.setup(opts)
+  M.config = {
+    renderer = opts.renderer,
+  }
+
+  M.hl_pos = HL_POSITION[opts.renderer.highlight_bookmarks] or HL_POSITION.none
+
+  M.ICON = {
+    str = opts.renderer.icons.glyphs.bookmark,
+    hl = { "NvimTreeBookmark" },
+  }
+
+  vim.fn.sign_define(M.ICON.hl[1], { text = M.ICON.str, texthl = M.ICON.hl[1] })
+end
+
+return M