Merge 994b0d4c84dcf9e780d5887c7527a9ab04ef2d8b into f005a8303d5e275a07ec423a0b42c5e0f4083c21

README.md

@@ -59,7 +59,7 @@ and how to set up on different platforms (Linux, macOS, and Windows).
 + Language server protocol (LSP) support via [nvim-lspconfig](https://github.com/neovim/nvim-lspconfig).
 + Git integration via [vim-fugitive](https://github.com/tpope/vim-fugitive).
 + Better escaping from insert mode via [better-escape.vim](https://github.com/nvim-zh/better-escape.vim).
-+ Ultra-fast project-wide fuzzy searching via [fzf-lua](https://github.com/ibhagwan/fzf-lua).
++ Ultra-fast project-wide fuzzy searching via [LeaderF](https://github.com/Yggdroot/LeaderF).
 + Faster code commenting via [vim-commentary](https://github.com/tpope/vim-commentary).
 + Faster matching pair insertion and jump via [nvim-autopairs](https://github.com/windwp/nvim-autopairs).
 + Smarter and faster matching pair management (add, replace or delete) via [vim-sandwich](https://github.com/machakann/vim-sandwich).
@@ -79,6 +79,7 @@ and how to set up on different platforms (Linux, macOS, and Windows).
 + LaTeX editing and previewing via [vimtex](https://github.com/lervag/vimtex)
 + Animated GUI style notification via [nvim-notify](https://github.com/rcarriga/nvim-notify).
 + Tags navigation via [vista](https://github.com/liuchengxu/vista.vim).
++ Code formatting via [Neoformat](https://github.com/sbdchd/neoformat).
 + Undo management via [vim-mundo](https://github.com/simnalamburt/vim-mundo)
 + Code folding with [nvim-ufo](https://github.com/kevinhwang91/nvim-ufo) and [statuscol.nvim](https://github.com/luukvbaal/statuscol.nvim)
 + ......
@@ -93,10 +94,10 @@ For more UI demos, check [here](https://github.com/jdhao/nvim-config/issues/15).
 <img src="https://user-images.githubusercontent.com/16662357/183256752-fb23b215-a6b8-4646-beed-9999f52d53f1.png" width="800">
 </p>
 
-## File fuzzy finding using fzf-lua
+## File fuzzy finding using LeaderF
 
 <p align="center">
-<img src="https://github.com/user-attachments/assets/3199e35d-121a-487b-bfd1-58eb69b0b48a" width="800">
+<img src="https://user-images.githubusercontent.com/16662357/183257017-2d9d7605-3c4b-4e1d-8955-30998f9b6f28.gif" width="800">
 </p>
 
 ## Code autocompletion with nvim-cmp

after/ftplugin/python.vim

@@ -12,5 +12,3 @@ set tabstop=4       " number of visual spaces per TAB
 set softtabstop=4   " number of spaces in tab when editing
 set shiftwidth=4    " number of spaces to use for autoindent
 set expandtab       " expand tab to spaces so that tabs are spaces
-
-nnoremap <buffer><silent> <space>f <cmd>silent !black %<CR>

init.lua

@@ -29,12 +29,5 @@ require("custom-autocmd")
 require("mappings")
 -- all the plugins installed and their configurations
 vim.cmd("source " .. vim.fs.joinpath(config_dir, "viml_conf/plugins.vim"))
-
--- diagnostic related config
-require("diagnostic-conf")
-
 -- colorscheme settings
-local color_scheme = require("colorschemes")
+require("colorschemes")
-
--- Load a random colorscheme
-color_scheme.rand_colorscheme()

lua/colorschemes.lua

@@ -44,7 +44,14 @@ M.colorscheme_conf = {
     vim.cmd([[colorscheme everforest]])
   end,
   nightfox = function()
-    vim.cmd([[colorscheme carbonfox]])
+    vim.cmd([[colorscheme nordfox]])
+  end,
+  catppuccin = function()
+    -- available option: latte, frappe, macchiato, mocha
+    vim.g.catppuccin_flavour = "frappe"
+    require("catppuccin").setup()
+
+    vim.cmd([[colorscheme catppuccin]])
   end,
   onedarkpro = function()
     -- set colorscheme after options
@@ -66,9 +73,24 @@ M.colorscheme_conf = {
 --- Use a random colorscheme from the pre-defined list of colorschemes.
 M.rand_colorscheme = function()
   local colorscheme = utils.rand_element(vim.tbl_keys(M.colorscheme_conf))
+  colorscheme = "gruvbox_material"
+
+  if not vim.tbl_contains(vim.tbl_keys(M.colorscheme_conf), colorscheme) then
+    local msg = "Invalid colorscheme: " .. colorscheme
+    vim.notify(msg, vim.log.levels.ERROR, { title = "nvim-config" })
+
+    return
+  end
 
   -- Load the colorscheme and its settings
   M.colorscheme_conf[colorscheme]()
+
+  if vim.g.logging_level == "debug" then
+    local msg = "Colorscheme: " .. colorscheme
+
+    vim.notify(msg, vim.log.levels.DEBUG, { title = "nvim-config" })
+  end
 end
 
-return M
+-- Load a random colorscheme
+M.rand_colorscheme()

lua/config/dashboard-nvim.lua

@@ -23,19 +23,19 @@ conf.center = {
   {
     icon = "󰈞  ",
     desc = "Find  File                              ",
-    action = "FzfLua files",
+    action = "Leaderf file --popup",
     key = "<Leader> f f",
   },
   {
     icon = "󰈢  ",
     desc = "Recently opened files                   ",
-    action = "FzfLua oldfiles",
+    action = "Leaderf mru --popup",
     key = "<Leader> f r",
   },
   {
     icon = "󰈬  ",
     desc = "Project grep                            ",
-    action = "FzfLua live_grep",
+    action = "Leaderf rg --popup",
     key = "<Leader> f g",
   },
   {

lua/config/fzf-lua.lua

@@ -1,18 +0,0 @@
-require("fzf-lua").setup {
-  defaults = {
-    file_icons = "mini",
-  },
-  winopts = {
-    row = 0.5,
-    height = 0.7,
-  },
-  files = {
-    previewer = false,
-  },
-}
-
-vim.keymap.set("n", "<leader>ff", "<cmd>FzfLua files<cr>", { desc = "Fuzzy find files" })
-vim.keymap.set("n", "<leader>fg", "<cmd>FzfLua live_grep<cr>", { desc = "Fuzzy grep files" })
-vim.keymap.set("n", "<leader>fh", "<cmd>FzfLua helptags<cr>", { desc = "Fuzzy grep tags in help files" })
-vim.keymap.set("n", "<leader>ft", "<cmd>FzfLua btags<cr>", { desc = "Fuzzy search buffer tags" })
-vim.keymap.set("n", "<leader>fb", "<cmd>FzfLua buffers<cr>", { desc = "Fuzzy search opened buffers" })

lua/config/git-conflict.lua

@@ -1,12 +0,0 @@
-require("git-conflict").setup {}
-
-vim.api.nvim_create_autocmd("User", {
-  pattern = "GitConflictResolved",
-  callback = function()
-    -- clear qf list
-    vim.fn.setqflist({}, "r")
-
-    -- reopen it?
-    vim.cmd([[GitConflictListQf]])
-  end,
-})

lua/config/glance.lua

@@ -1,12 +0,0 @@
-local glance = require("glance")
-
-glance.setup {
-  height = 25,
-  border = {
-    enable = true,
-  },
-}
-
-vim.keymap.set("n", "<space>gd", "<cmd>Glance definitions<cr>")
-vim.keymap.set("n", "<space>gr", "<cmd>Glance references<cr>")
-vim.keymap.set("n", "<space>gi", "<cmd>Glance implementations<cr>")

lua/config/indent-blankline.lua

@@ -0,0 +1,36 @@
+local api = vim.api
+
+local exclude_ft = { "help", "git", "markdown", "snippets", "text", "gitconfig", "alpha", "dashboard" }
+
+require("ibl").setup {
+  indent = {
+    -- -- U+2502 may also be a good choice, it will be on the middle of cursor.
+    -- -- U+250A is also a good choice
+    char = "▏",
+  },
+  scope = {
+    show_start = false,
+    show_end = false,
+  },
+  exclude = {
+    filetypes = exclude_ft,
+    buftypes = { "terminal" },
+  },
+}
+
+local gid = api.nvim_create_augroup("indent_blankline", { clear = true })
+api.nvim_create_autocmd("InsertEnter", {
+  pattern = "*",
+  group = gid,
+  command = "IBLDisable",
+})
+
+api.nvim_create_autocmd("InsertLeave", {
+  pattern = "*",
+  group = gid,
+  callback = function()
+    if not vim.tbl_contains(exclude_ft, vim.bo.filetype) then
+      vim.cmd([[IBLEnable]])
+    end
+  end,
+})

lua/config/lightbulb.lua

@@ -1,20 +0,0 @@
----@diagnostic disable: missing-fields
-require("nvim-lightbulb").setup {
-  autocmd = {
-    enabled = true,
-    updatetime = -1,
-  },
-  ---@diagnostic disable-next-line: unused-local
-  filter = function(client_name, result)
-    -- Ruff always sends these two actions even if there are no action to take,
-    -- so it is better to just ignore this to avoid noise. See also discussion below:
-    -- https://github.com/astral-sh/ruff-lsp/issues/91
-    local ignored_kinds = { "source.fixAll.ruff", "source.organizeImports.ruff" }
-
-    if vim.tbl_contains(ignored_kinds, result.kind) then
-      return false
-    end
-
-    return true
-  end,
-}

lua/config/lsp.lua

@@ -1,81 +1,127 @@
+local fn = vim.fn
 local api = vim.api
 local keymap = vim.keymap
 local lsp = vim.lsp
+local diagnostic = vim.diagnostic
 local lspconfig = require("lspconfig")
 
 local utils = require("utils")
 
-vim.api.nvim_create_autocmd("LspAttach", {
+-- set quickfix list from diagnostics in a certain buffer, not the whole workspace
-  group = vim.api.nvim_create_augroup("buf_behavior_conf", { clear = true }),
+local set_qflist = function(buf_num, severity)
-  callback = function(event_context)
+  local diagnostics = nil
-    local client = vim.lsp.get_client_by_id(event_context.data.client_id)
+  diagnostics = diagnostic.get(buf_num, { severity = severity })
-    -- vim.print(client.name, client.server_capabilities)
 
-    if not client then
+  local qf_items = diagnostic.toqflist(diagnostics)
-      return
+  vim.fn.setqflist({}, " ", { title = "Diagnostics", items = qf_items })
-    end
 
-    local bufnr = event_context.buf
+  -- open quickfix by default
+  vim.cmd([[copen]])
+end
 
-    -- Mappings.
+local custom_attach = function(client, bufnr)
-    local map = function(mode, l, r, opts)
+  -- Mappings.
-      opts = opts or {}
+  local map = function(mode, l, r, opts)
-      opts.silent = true
+    opts = opts or {}
-      opts.buffer = bufnr
+    opts.silent = true
-      keymap.set(mode, l, r, opts)
+    opts.buffer = bufnr
-    end
+    keymap.set(mode, l, r, opts)
+  end
 
-    map("n", "gd", vim.lsp.buf.definition, { desc = "go to definition" })
+  map("n", "gd", vim.lsp.buf.definition, { desc = "go to definition" })
-    map("n", "<C-]>", vim.lsp.buf.definition)
+  map("n", "<C-]>", vim.lsp.buf.definition)
-    map("n", "K", function()
+  map("n", "K", function()
-      vim.lsp.buf.hover { border = "single", max_height = 25, max_width = 120 }
+    vim.lsp.buf.hover { border = "rounded" }
-    end)
+  end)
-    map("n", "<C-k>", vim.lsp.buf.signature_help)
+  map("n", "<C-k>", vim.lsp.buf.signature_help)
-    map("n", "<space>rn", vim.lsp.buf.rename, { desc = "varialbe rename" })
+  map("n", "<space>rn", vim.lsp.buf.rename, { desc = "varialbe rename" })
-    map("n", "<space>ca", vim.lsp.buf.code_action, { desc = "LSP code action" })
+  map("n", "gr", vim.lsp.buf.references, { desc = "show references" })
-    map("n", "<space>wa", vim.lsp.buf.add_workspace_folder, { desc = "add workspace folder" })
+  map("n", "[d", function()
-    map("n", "<space>wr", vim.lsp.buf.remove_workspace_folder, { desc = "remove workspace folder" })
+    diagnostic.jump { count = -1, float = true }
-    map("n", "<space>wl", function()
+  end, { desc = "previous diagnostic" })
-      vim.print(vim.lsp.buf.list_workspace_folders())
+  map("n", "]d", function()
-    end, { desc = "list workspace folder" })
+    diagnostic.jump { count = 1, float = true }
+  end, { desc = "next diagnostic" })
+  -- this puts diagnostics from opened files to quickfix
+  map("n", "<space>qw", diagnostic.setqflist, { desc = "put window diagnostics to qf" })
+  -- this puts diagnostics from current buffer to quickfix
+  map("n", "<space>qb", function()
+    set_qflist(bufnr)
+  end, { desc = "put buffer diagnostics to qf" })
+  map("n", "<space>ca", vim.lsp.buf.code_action, { desc = "LSP code action" })
+  map("n", "<space>wa", vim.lsp.buf.add_workspace_folder, { desc = "add workspace folder" })
+  map("n", "<space>wr", vim.lsp.buf.remove_workspace_folder, { desc = "remove workspace folder" })
+  map("n", "<space>wl", function()
+    vim.print(vim.lsp.buf.list_workspace_folders())
+  end, { desc = "list workspace folder" })
 
-    -- Set some key bindings conditional on server capabilities
+  -- Set some key bindings conditional on server capabilities
-    if client.server_capabilities.documentFormattingProvider and client.name ~= "lua_ls" then
+  if client.server_capabilities.documentFormattingProvider and client.name ~= "lua_ls" then
-      map({ "n", "x" }, "<space>f", vim.lsp.buf.format, { desc = "format code" })
+    map({ "n", "x" }, "<space>f", vim.lsp.buf.format, { desc = "format code" })
-    end
+  end
 
-    -- Disable ruff hover feature in favor of Pyright
+  -- Uncomment code below to enable inlay hint from language server, some LSP server supports inlay hint,
-    if client.name == "ruff" then
+  -- but disable this feature by default, so you may need to enable inlay hint in the LSP server config.
-      client.server_capabilities.hoverProvider = false
+  -- vim.lsp.inlay_hint.enable(true, {buffer=bufnr})
-    end
 
-    -- Uncomment code below to enable inlay hint from language server, some LSP server supports inlay hint,
+  api.nvim_create_autocmd("CursorHold", {
-    -- but disable this feature by default, so you may need to enable inlay hint in the LSP server config.
+    buffer = bufnr,
-    -- vim.lsp.inlay_hint.enable(true, {buffer=bufnr})
+    callback = function()
+      local float_opts = {
+        focusable = false,
+        close_events = { "BufLeave", "CursorMoved", "InsertEnter", "FocusLost" },
+        border = "rounded",
+        source = "always", -- show source in diagnostic popup window
+        prefix = " ",
+      }
 
-    -- The blow command will highlight the current variable and its usages in the buffer.
+      if not vim.b.diagnostics_pos then
-    if client.server_capabilities.documentHighlightProvider then
+        vim.b.diagnostics_pos = { nil, nil }
-      local gid = api.nvim_create_augroup("lsp_document_highlight", { clear = true })
+      end
-      api.nvim_create_autocmd("CursorHold", {
-        group = gid,
-        buffer = bufnr,
-        callback = function()
-          lsp.buf.document_highlight()
-        end,
-      })
 
-      api.nvim_create_autocmd("CursorMoved", {
+      local cursor_pos = api.nvim_win_get_cursor(0)
-        group = gid,
+      if
-        buffer = bufnr,
+        (cursor_pos[1] ~= vim.b.diagnostics_pos[1] or cursor_pos[2] ~= vim.b.diagnostics_pos[2])
-        callback = function()
+        and #diagnostic.get() > 0
-          lsp.buf.clear_references()
+      then
-        end,
+        diagnostic.open_float(nil, float_opts)
-      })
+      end
-    end
+
-  end,
+      vim.b.diagnostics_pos = cursor_pos
-  nested = true,
+    end,
-  desc = "Configure buffer keymap and behavior based on LSP",
+  })
-})
+
+  -- The blow command will highlight the current variable and its usages in the buffer.
+  if client.server_capabilities.documentHighlightProvider then
+    vim.cmd([[
+      hi! link LspReferenceRead Visual
+      hi! link LspReferenceText Visual
+      hi! link LspReferenceWrite Visual
+    ]])
+
+    local gid = api.nvim_create_augroup("lsp_document_highlight", { clear = true })
+    api.nvim_create_autocmd("CursorHold", {
+      group = gid,
+      buffer = bufnr,
+      callback = function()
+        lsp.buf.document_highlight()
+      end,
+    })
+
+    api.nvim_create_autocmd("CursorMoved", {
+      group = gid,
+      buffer = bufnr,
+      callback = function()
+        lsp.buf.clear_references()
+      end,
+    })
+  end
+
+  if vim.g.logging_level == "debug" then
+    local msg = string.format("Language server %s started!", client.name)
+    vim.notify(msg, vim.log.levels.DEBUG, { title = "Nvim-config" })
+  end
+end
 
 local capabilities = vim.lsp.protocol.make_client_capabilities()
 
@@ -110,6 +156,7 @@ if utils.executable("pyright") then
 
   lspconfig.pyright.setup {
     cmd = { "delance-langserver", "--stdio" },
+    on_attach = custom_attach,
     capabilities = merged_capability,
     settings = {
       pyright = {
@@ -144,6 +191,7 @@ end
 
 if utils.executable("ruff") then
   require("lspconfig").ruff.setup {
+    on_attach = custom_attach,
     capabilities = capabilities,
     init_options = {
       -- the settings can be found here: https://docs.astral.sh/ruff/editors/settings/
@@ -154,8 +202,26 @@ if utils.executable("ruff") then
   }
 end
 
+-- Disable ruff hover feature in favor of Pyright
+vim.api.nvim_create_autocmd("LspAttach", {
+  group = vim.api.nvim_create_augroup("lsp_attach_disable_ruff_hover", { clear = true }),
+  callback = function(args)
+    local client = vim.lsp.get_client_by_id(args.data.client_id)
+    -- vim.print(client.name, client.server_capabilities)
+
+    if client == nil then
+      return
+    end
+    if client.name == "ruff" then
+      client.server_capabilities.hoverProvider = false
+    end
+  end,
+  desc = "LSP: Disable hover capability from Ruff",
+})
+
 if utils.executable("ltex-ls") then
   lspconfig.ltex.setup {
+    on_attach = custom_attach,
     cmd = { "ltex-ls" },
     filetypes = { "text", "plaintex", "tex", "markdown" },
     settings = {
@@ -169,6 +235,7 @@ end
 
 if utils.executable("clangd") then
   lspconfig.clangd.setup {
+    on_attach = custom_attach,
     capabilities = capabilities,
     filetypes = { "c", "cpp", "cc" },
     flags = {
@@ -180,6 +247,7 @@ end
 -- set up vim-language-server
 if utils.executable("vim-language-server") then
   lspconfig.vimls.setup {
+    on_attach = custom_attach,
     flags = {
       debounce_text_changes = 500,
     },
@@ -192,6 +260,7 @@ end
 -- set up bash-language-server
 if utils.executable("bash-language-server") then
   lspconfig.bashls.setup {
+    on_attach = custom_attach,
     capabilities = capabilities,
   }
 end
@@ -199,6 +268,7 @@ end
 -- settings for lua-language-server can be found on https://luals.github.io/wiki/settings/
 if utils.executable("lua-language-server") then
   lspconfig.lua_ls.setup {
+    on_attach = custom_attach,
     settings = {
       Lua = {
         runtime = {
@@ -213,3 +283,18 @@ if utils.executable("lua-language-server") then
     capabilities = capabilities,
   }
 end
+
+-- global config for diagnostic
+diagnostic.config {
+  underline = false,
+  virtual_text = false,
+  signs = {
+    text = {
+      [diagnostic.severity.ERROR] = "🆇",
+      [diagnostic.severity.WARN] = "⚠️",
+      [diagnostic.severity.INFO] = "ℹ️",
+      [diagnostic.severity.HINT] = "",
+    },
+  },
+  severity_sort = true,
+}

lua/config/nvim-cmp.lua

@@ -1,14 +1,6 @@
 -- Setup nvim-cmp.
 local cmp = require("cmp")
-
+local lspkind = require("lspkind")
--- The extentions needed by nvim-cmp should be loaded beforehand
-require("cmp_nvim_lsp")
-require("cmp_path")
-require("cmp_buffer")
-require("cmp_omni")
-require("cmp_nvim_ultisnips")
-
-local MiniIcons = require("mini.icons")
 
 cmp.setup {
   snippet = {
@@ -51,14 +43,21 @@ cmp.setup {
   view = {
     entries = "custom",
   },
-  -- solution taken from https://github.com/echasnovski/mini.nvim/issues/1007#issuecomment-2258929830
   formatting = {
-    format = function(_, vim_item)
+    format = lspkind.cmp_format {
-      local icon, hl = MiniIcons.get("lsp", vim_item.kind)
+      mode = "symbol_text",
-      vim_item.kind = icon .. " " .. vim_item.kind
+      menu = {
-      vim_item.kind_hl_group = hl
+        nvim_lsp = "[LSP]",
-      return vim_item
+        ultisnips = "[US]",
-    end,
+        path = "[Path]",
+        buffer = "[Buffer]",
+        emoji = "[Emoji]",
+        omni = "[Omni]",
+      },
+      show_labelDetails = true,
+      maxwidth = 40,
+      ellipsis_char = "...",
+    },
   },
 }
 

lua/custom-autocmd.lua

@@ -37,8 +37,7 @@ api.nvim_create_autocmd({ "CursorMoved" }, {
 api.nvim_create_autocmd("TextYankPost", {
   pattern = "*",
   group = yank_group,
-  ---@diagnostic disable-next-line: unused-local
+  callback = function(ev)
-  callback = function(context)
     if vim.v.event.operator == "y" then
       vim.fn.setpos(".", vim.g.current_cursor_pos)
     end
@@ -171,11 +170,7 @@ api.nvim_create_autocmd("ColorScheme", {
     vim.api.nvim_set_hl(0, "Cursor2", { fg = "red", bg = "red" })
 
     -- For floating windows border highlight
-    vim.api.nvim_set_hl(0, "FloatBorder", { fg = "LightGreen", bg = "None", bold = true })
+    vim.api.nvim_set_hl(0, "FloatBorder", { fg = "LightGreen" })
-
-    local hl = vim.api.nvim_get_hl(0, { name = "NormalFloat" })
-    -- change the background color of floating window to None, so it blenders better
-    vim.api.nvim_set_hl(0, "NormalFloat", { fg = hl.fg, bg = "None" })
 
     -- highlight for matching parentheses
     vim.api.nvim_set_hl(0, "MatchParen", { bold = true, underline = true })
@@ -186,8 +181,7 @@ api.nvim_create_autocmd("BufEnter", {
   pattern = "*",
   group = api.nvim_create_augroup("auto_close_win", { clear = true }),
   desc = "Quit Nvim if we have only one window, and its filetype match our pattern",
-  ---@diagnostic disable-next-line: unused-local
+  callback = function(ev)
-  callback = function(context)
     local quit_filetypes = { "qf", "vista", "NvimTree" }
 
     local should_quit = true
@@ -195,9 +189,9 @@ api.nvim_create_autocmd("BufEnter", {
 
     for _, win in pairs(tabwins) do
       local buf = api.nvim_win_get_buf(win)
-      local buf_type = vim.api.nvim_get_option_value("filetype", { buf = buf })
+      local bf = fn.getbufvar(buf, "&filetype")
 
-      if not vim.tbl_contains(quit_filetypes, buf_type) then
+      if fn.index(quit_filetypes, bf) == -1 then
         should_quit = false
       end
     end
@@ -228,13 +222,8 @@ api.nvim_create_autocmd("BufReadPre", {
 
     if fn.getfsize(f) > file_size_limit or fn.getfsize(f) == -2 then
       vim.o.eventignore = "all"
-
-      -- show ruler
-      vim.o.ruler = true
-
       --  turning off relative number helps a lot
       vim.wo.relativenumber = false
-      vim.wo.number = false
 
       vim.bo.swapfile = false
       vim.bo.bufhidden = "unload"

lua/diagnostic-conf.lua

@@ -1,66 +0,0 @@
-local diagnostic = vim.diagnostic
-local api = vim.api
-
--- global config for diagnostic
-diagnostic.config {
-  underline = false,
-  virtual_text = false,
-  virtual_lines = false,
-  signs = {
-    text = {
-      [diagnostic.severity.ERROR] = "🆇",
-      [diagnostic.severity.WARN] = "⚠️",
-      [diagnostic.severity.INFO] = "ℹ️",
-      [diagnostic.severity.HINT] = "",
-    },
-  },
-  severity_sort = true,
-  float = {
-    source = true,
-    header = "Diagnostics:",
-    prefix = " ",
-    border = "single",
-  },
-}
-
--- set quickfix list from diagnostics in a certain buffer, not the whole workspace
-local set_qflist = function(buf_num, severity)
-  local diagnostics = nil
-  diagnostics = diagnostic.get(buf_num, { severity = severity })
-
-  local qf_items = diagnostic.toqflist(diagnostics)
-  vim.fn.setqflist({}, " ", { title = "Diagnostics", items = qf_items })
-
-  -- open quickfix by default
-  vim.cmd([[copen]])
-end
-
--- this puts diagnostics from opened files to quickfix
-vim.keymap.set("n", "<space>qw", diagnostic.setqflist, { desc = "put window diagnostics to qf" })
-
--- this puts diagnostics from current buffer to quickfix
-vim.keymap.set("n", "<space>qb", function()
-  set_qflist(0)
-end, { desc = "put buffer diagnostics to qf" })
-
--- automatically show diagnostic in float win for current line
-api.nvim_create_autocmd("CursorHold", {
-  pattern = "*",
-  callback = function()
-    if #vim.diagnostic.get(0) == 0 then
-      return
-    end
-
-    if not vim.b.diagnostics_pos then
-      vim.b.diagnostics_pos = { nil, nil }
-    end
-
-    local cursor_pos = api.nvim_win_get_cursor(0)
-
-    if not vim.deep_equal(cursor_pos, vim.b.diagnostics_pos) then
-      diagnostic.open_float { width = 100 }
-    end
-
-    vim.b.diagnostics_pos = cursor_pos
-  end,
-})

lua/globals.lua

@@ -10,7 +10,7 @@ vim.g.is_win = (utils.has("win32") or utils.has("win64")) and true or false
 vim.g.is_linux = (utils.has("unix") and (not utils.has("macunix"))) and true or false
 vim.g.is_mac = utils.has("macunix") and true or false
 
-vim.g.logging_level = vim.log.levels.INFO
+vim.g.logging_level = "info"
 
 ------------------------------------------------------------------------
 --                         builtin variables                          --
@@ -69,6 +69,3 @@ vim.g.loaded_matchparen = 1
 
 -- Disable sql omni completion, it is broken.
 vim.g.loaded_sql_completion = 1
-
--- control how to show health check window
-vim.g.health = { style = nil }

lua/mappings.lua

@@ -23,6 +23,19 @@ keymap.set("n", "<leader>q", "<cmd>x<cr>", { silent = true, desc = "quit current
 -- Quit all opened buffers
 keymap.set("n", "<leader>Q", "<cmd>qa!<cr>", { silent = true, desc = "quit nvim" })
 
+-- Navigation in the location and quickfix list
+keymap.set("n", "[l", "<cmd>lprevious<cr>zv", { silent = true, desc = "previous location item" })
+keymap.set("n", "]l", "<cmd>lnext<cr>zv", { silent = true, desc = "next location item" })
+
+keymap.set("n", "[L", "<cmd>lfirst<cr>zv", { silent = true, desc = "first location item" })
+keymap.set("n", "]L", "<cmd>llast<cr>zv", { silent = true, desc = "last location item" })
+
+keymap.set("n", "[q", "<cmd>cprevious<cr>zv", { silent = true, desc = "previous qf item" })
+keymap.set("n", "]q", "<cmd>cnext<cr>zv", { silent = true, desc = "next qf item" })
+
+keymap.set("n", "[Q", "<cmd>cfirst<cr>zv", { silent = true, desc = "first qf item" })
+keymap.set("n", "]Q", "<cmd>clast<cr>zv", { silent = true, desc = "last qf item" })
+
 -- Close location list or quickfix list if they are present, see https://superuser.com/q/355325/736190
 keymap.set("n", [[\x]], "<cmd>windo lclose <bar> cclose <cr>", {
   silent = true,

lua/plugin_specs.lua

@@ -22,19 +22,24 @@ end
 
 local plugin_specs = {
   -- auto-completion engine
-  { "hrsh7th/cmp-nvim-lsp", lazy = true },
-  { "hrsh7th/cmp-path", lazy = true },
-  { "hrsh7th/cmp-buffer", lazy = true },
-  { "hrsh7th/cmp-omni", lazy = true },
-  { "quangnguyen30192/cmp-nvim-ultisnips", lazy = true },
   {
     "hrsh7th/nvim-cmp",
     name = "nvim-cmp",
-    event = "InsertEnter",
+    -- event = 'InsertEnter',
+    event = "VeryLazy",
+    dependencies = {
+      "hrsh7th/cmp-nvim-lsp",
+      "onsails/lspkind-nvim",
+      "hrsh7th/cmp-path",
+      "hrsh7th/cmp-buffer",
+      "hrsh7th/cmp-omni",
+      "quangnguyen30192/cmp-nvim-ultisnips",
+    },
     config = function()
       require("config.nvim-cmp")
     end,
   },
+
   {
     "neovim/nvim-lspconfig",
     event = { "BufRead", "BufNewFile" },
@@ -42,16 +47,10 @@ local plugin_specs = {
       require("config.lsp")
     end,
   },
-  {
+
-    "dnlhc/glance.nvim",
-    config = function()
-      require("config.glance")
-    end,
-    event = "VeryLazy",
-  },
   {
     "nvim-treesitter/nvim-treesitter",
-    lazy = true,
+    event = "VeryLazy",
     build = ":TSUpdate",
     config = function()
       require("config.treesitter")
@@ -72,7 +71,10 @@ local plugin_specs = {
   {
     "vlime/vlime",
     enabled = function()
-      return utils.executable("sbcl")
+      if utils.executable("sbcl") then
+        return true
+      end
+      return false
     end,
     config = function(plugin)
       vim.opt.rtp:append(plugin.dir .. "/vim")
@@ -83,7 +85,7 @@ local plugin_specs = {
   -- Super fast buffer jump
   {
     "smoka7/hop.nvim",
-    keys = { "f" },
+    event = "VeryLazy",
     config = function()
       require("config.nvim_hop")
     end,
@@ -98,6 +100,20 @@ local plugin_specs = {
       require("config.hlslens")
     end,
   },
+  {
+    "Yggdroot/LeaderF",
+    cmd = "Leaderf",
+    build = function()
+      local leaderf_path = plugin_dir .. "/LeaderF"
+      vim.opt.runtimepath:append(leaderf_path)
+      vim.cmd("runtime! plugin/leaderf.vim")
+
+      if not vim.g.is_win then
+        vim.cmd("LeaderfInstallCExtension")
+      end
+    end,
+  },
+  "nvim-lua/plenary.nvim",
   {
     "nvim-telescope/telescope.nvim",
     cmd = "Telescope",
@@ -107,16 +123,18 @@ local plugin_specs = {
   },
   {
     "ibhagwan/fzf-lua",
+    -- optional for icon support
+    dependencies = { "nvim-tree/nvim-web-devicons" },
     config = function()
-      require("config.fzf-lua")
+      -- calling `setup` is optional for customization
+      require("fzf-lua").setup {}
     end,
-    event = "VeryLazy",
   },
   {
     "MeanderingProgrammer/markdown.nvim",
     main = "render-markdown",
     opts = {},
-    ft = { "markdown" },
+    dependencies = { "nvim-treesitter/nvim-treesitter", "nvim-tree/nvim-web-devicons" },
   },
   -- A list of colorscheme plugin you may want to try. Find what suits you.
   { "navarasu/onedark.nvim", lazy = true },
@@ -135,22 +153,11 @@ local plugin_specs = {
     branch = "v2",
   },
   { "rebelot/kanagawa.nvim", lazy = true },
-
+  { "nvim-tree/nvim-web-devicons", event = "VeryLazy" },
-  -- plugins to provide nerdfont icons
-  {
-    "echasnovski/mini.icons",
-    version = false,
-    config = function()
-      -- this is the compatibility fix for plugins that only support nvim-web-devicons
-      require("mini.icons").mock_nvim_web_devicons()
-      require("mini.icons").tweak_lsp_kind()
-    end,
-    lazy = true,
-  },
 
   {
     "nvim-lualine/lualine.nvim",
-    event = "BufRead",
+    event = "VeryLazy",
     cond = firenvim_not_active,
     config = function()
       require("config.lualine")
@@ -176,16 +183,11 @@ local plugin_specs = {
   },
 
   {
-    "echasnovski/mini.indentscope",
+    "lukas-reineke/indent-blankline.nvim",
-    version = false,
+    event = "VeryLazy",
+    main = "ibl",
     config = function()
-      local mini_indent = require("mini.indentscope")
+      require("config.indent-blankline")
-      mini_indent.setup {
-        draw = {
-          animation = mini_indent.gen_animation.none(),
-        },
-        symbol = "▏",
-      }
     end,
   },
   {
@@ -211,7 +213,7 @@ local plugin_specs = {
     end,
   },
   -- Highlight URLs inside vim
-  { "itchyny/vim-highlighturl", event = "BufReadPost" },
+  { "itchyny/vim-highlighturl", event = "VeryLazy" },
 
   -- notification plugin
   {
@@ -222,8 +224,6 @@ local plugin_specs = {
     end,
   },
 
-  { "nvim-lua/plenary.nvim", lazy = true },
-
   -- For Windows and Mac, we can open an URL in the browser. For Linux, it may
   -- not be possible since we maybe in a server which disables GUI.
   {
@@ -234,8 +234,13 @@ local plugin_specs = {
       vim.g.netrw_nogx = 1 -- disable netrw gx
     end,
     enabled = function()
-      return vim.g.is_win or vim.g.is_mac
+      if vim.g.is_win or vim.g.is_mac then
+        return true
+      else
+        return false
+      end
     end,
+    dependencies = { "nvim-lua/plenary.nvim" },
     config = true, -- default settings
     submodules = false, -- not needed, submodules are required only for tests
   },
@@ -245,7 +250,11 @@ local plugin_specs = {
   {
     "liuchengxu/vista.vim",
     enabled = function()
-      return utils.executable("ctags")
+      if utils.executable("ctags") then
+        return true
+      else
+        return false
+      end
     end,
     cmd = "Vista",
   },
@@ -263,10 +272,7 @@ local plugin_specs = {
   },
 
   -- Comment plugin
-  { "tpope/vim-commentary", keys = {
+  { "tpope/vim-commentary", event = "VeryLazy" },
-    { "gc", mode = "n" },
-    { "gc", mode = "v" },
-  } },
 
   -- Multiple cursor plugin like Sublime Text?
   -- 'mg979/vim-visual-multi'
@@ -280,7 +286,7 @@ local plugin_specs = {
     config = function()
       require("config.yanky")
     end,
-    cmd = "YankyRingHistory",
+    event = "VeryLazy",
   },
 
   -- Handy unix command inside Vim (Rename, Move etc.)
@@ -294,7 +300,10 @@ local plugin_specs = {
   {
     "lyokha/vim-xkbswitch",
     enabled = function()
-      return vim.g.is_mac and utils.executable("xkbswitch")
+      if vim.g.is_mac and utils.executable("xkbswitch") then
+        return true
+      end
+      return false
     end,
     event = { "InsertEnter" },
   },
@@ -302,7 +311,10 @@ local plugin_specs = {
   {
     "Neur1n/neuims",
     enabled = function()
-      return vim.g.is_win
+      if vim.g.is_win then
+        return true
+      end
+      return false
     end,
     event = { "InsertEnter" },
   },
@@ -321,14 +333,7 @@ local plugin_specs = {
 
   -- Better git log display
   { "rbong/vim-flog", cmd = { "Flog" } },
-  {
+  { "akinsho/git-conflict.nvim", version = "*", config = true },
-    "akinsho/git-conflict.nvim",
-    version = "*",
-    event = "VeryLazy",
-    config = function()
-      require("config.git-conflict")
-    end,
-  },
   {
     "ruifm/gitlinker.nvim",
     event = "User InGitRepo",
@@ -343,12 +348,10 @@ local plugin_specs = {
     config = function()
       require("config.gitsigns")
     end,
-    event = "BufRead",
   },
 
   {
     "sindrets/diffview.nvim",
-    cmd = { "DiffviewOpen" },
   },
 
   {
@@ -359,17 +362,23 @@ local plugin_specs = {
     end,
   },
 
+  -- Another markdown plugin
+  { "preservim/vim-markdown", ft = { "markdown" } },
+
   -- Faster footnote generation
   { "vim-pandoc/vim-markdownfootnotes", ft = { "markdown" } },
 
   -- Vim tabular plugin for manipulate tabular, required by markdown plugins
-  { "godlygeek/tabular", ft = { "markdown" } },
+  { "godlygeek/tabular", cmd = { "Tabularize" } },
 
   -- Markdown previewing (only for Mac and Windows)
   {
     "iamcco/markdown-preview.nvim",
     enabled = function()
-      return vim.g.is_win or vim.g.is_mac
+      if vim.g.is_win or vim.g.is_mac then
+        return true
+      end
+      return false
     end,
     build = "cd app && npm install && git restore .",
     ft = { "markdown" },
@@ -378,12 +387,15 @@ local plugin_specs = {
   {
     "rhysd/vim-grammarous",
     enabled = function()
-      return vim.g.is_mac
+      if vim.g.is_mac then
+        return true
+      end
+      return false
     end,
     ft = { "markdown" },
   },
 
-  { "chrisbra/unicode.vim", keys = { "ga" }, cmd = { "UnicodeSearch" } },
+  { "chrisbra/unicode.vim", event = "VeryLazy" },
 
   -- Additional powerful text object for vim, this plugin should be studied
   -- carefully to use its full power
@@ -392,11 +404,17 @@ local plugin_specs = {
   -- Plugin to manipulate character pairs quickly
   { "machakann/vim-sandwich", event = "VeryLazy" },
 
+  -- Add indent object for vim (useful for languages like Python)
+  { "michaeljsmith/vim-indent-object", event = "VeryLazy" },
+
   -- Only use these plugin on Windows and Mac and when LaTeX is installed
   {
     "lervag/vimtex",
     enabled = function()
-      return utils.executable("latex")
+      if utils.executable("latex") then
+        return true
+      end
+      return false
     end,
     ft = { "tex" },
   },
@@ -407,7 +425,10 @@ local plugin_specs = {
   {
     "tmux-plugins/vim-tmux",
     enabled = function()
-      return utils.executable("tmux")
+      if utils.executable("tmux") then
+        return true
+      end
+      return false
     end,
     ft = { "tmux" },
   },
@@ -424,7 +445,8 @@ local plugin_specs = {
   {
     "glacambre/firenvim",
     enabled = function()
-      return vim.g.is_win or vim.g.is_mac
+      local result = vim.g.is_win or vim.g.is_mac
+      return result
     end,
     -- it seems that we can only call the firenvim function directly.
     -- Using vim.fn or vim.cmd to call this function will fail.
@@ -447,7 +469,10 @@ local plugin_specs = {
   {
     "sakhnik/nvim-gdb",
     enabled = function()
-      return vim.g.is_win or vim.g.is_linux
+      if vim.g.is_win or vim.g.is_linux then
+        return true
+      end
+      return false
     end,
     build = { "bash install.sh" },
     lazy = true,
@@ -459,7 +484,10 @@ local plugin_specs = {
   {
     "ojroques/vim-oscyank",
     enabled = function()
-      return vim.g.is_linux
+      if vim.g.is_linux then
+        return true
+      end
+      return false
     end,
     cmd = { "OSCYank", "OSCYankReg" },
   },
@@ -501,7 +529,8 @@ local plugin_specs = {
   -- file explorer
   {
     "nvim-tree/nvim-tree.lua",
-    keys = { "<space>s" },
+    event = "VeryLazy",
+    dependencies = { "nvim-tree/nvim-web-devicons" },
     config = function()
       require("config.nvim-tree")
     end,
@@ -509,7 +538,8 @@ local plugin_specs = {
 
   {
     "j-hui/fidget.nvim",
-    event = "BufRead",
+    event = "VeryLazy",
+    tag = "legacy",
     config = function()
       require("config.fidget-nvim")
     end,
@@ -517,24 +547,19 @@ local plugin_specs = {
   {
     "folke/lazydev.nvim",
     ft = "lua", -- only load on lua files
-    opts = {
+    opts = {},
-      library = {
-        -- See the configuration section for more details
-        -- Load luvit types when the `vim.uv` word is found
-        { path = "${3rd}/luv/library", words = { "vim%.uv" } },
-      },
-    },
   },
   {
     "CopilotC-Nvim/CopilotChat.nvim",
     dependencies = {
       { "zbirenbaum/copilot.lua" }, -- or github/copilot.vim
+      { "nvim-lua/plenary.nvim" }, -- for curl, log wrapper
     },
     opts = {
       debug = true, -- Enable debugging
       -- See Configuration section for rest
     },
-    cmd = { "CopilotChat" },
+    -- See Commands section for default commands if you want to lazy load on them
   },
   {
     "zbirenbaum/copilot.lua",
@@ -551,19 +576,18 @@ local plugin_specs = {
     config = function()
       require("config.live-command")
     end,
+    event = "VeryLazy",
   },
   {
     -- show hint for code actions, the user can also implement code actions themselves,
     -- see discussion here: https://github.com/neovim/neovim/issues/14869
     "kosayoda/nvim-lightbulb",
     config = function()
-      require("config.lightbulb")
+      require("nvim-lightbulb").setup { autocmd = { enabled = true } }
     end,
-    event = "LspAttach",
   },
   {
     "Bekaboo/dropbar.nvim",
-    event = "VeryLazy",
   },
   {
     "catgoose/nvim-colorizer.lua",
@@ -573,7 +597,6 @@ local plugin_specs = {
   },
 }
 
----@diagnostic disable-next-line: missing-fields
 require("lazy").setup {
   spec = plugin_specs,
   ui = {

lua/utils.lua

@@ -3,11 +3,12 @@ local version = vim.version
 
 local M = {}
 
---- Check if an executable exists
---- @param name string An executable name/path
---- @return boolean
 function M.executable(name)
-  return fn.executable(name) > 0
+  if fn.executable(name) > 0 then
+    return true
+  end
+
+  return false
 end
 
 --- check whether a feature exists in Nvim

viml_conf/options.vim

@@ -115,8 +115,6 @@ set shortmess+=S
 " Disable showing intro message (:intro)
 set shortmess+=I
 
-set messagesopt=hit-enter,history:500
-
 " Completion behaviour
 " set completeopt+=noinsert  " Auto select the first completion entry
 set completeopt+=menuone  " Show menu even if there is only one item

viml_conf/plugins.vim

@@ -34,6 +34,85 @@ let g:UltiSnipsSnippetDirectories=['UltiSnips', 'my_snippets']
 """""""""""""""""""""""""" vlime settings """"""""""""""""""""""""""""""""
 command! -nargs=0 StartVlime call jobstart(printf("sbcl --load %s/vlime/lisp/start-vlime.lisp", g:package_home))
 
+"""""""""""""""""""""""""""""LeaderF settings"""""""""""""""""""""
+" Do not use cache file
+let g:Lf_UseCache = 0
+" Refresh each time we call leaderf
+let g:Lf_UseMemoryCache = 0
+
+" Ignore certain files and directories when searching files
+let g:Lf_WildIgnore = {
+  \ 'dir': ['.git', '__pycache__', '.DS_Store', '*_cache'],
+  \ 'file': ['*.exe', '*.dll', '*.so', '*.o', '*.pyc', '*.jpg', '*.png',
+  \ '*.gif', '*.svg', '*.ico', '*.db', '*.tgz', '*.tar.gz', '*.gz',
+  \ '*.zip', '*.bin', '*.pptx', '*.xlsx', '*.docx', '*.pdf', '*.tmp',
+  \ '*.wmv', '*.mkv', '*.mp4', '*.rmvb', '*.ttf', '*.ttc', '*.otf',
+  \ '*.mp3', '*.aac']
+  \}
+
+" Do not show fancy icons for Linux server.
+if g:is_linux
+  let g:Lf_ShowDevIcons = 0
+endif
+
+" Only fuzzy-search files names
+let g:Lf_DefaultMode = 'FullPath'
+
+" Do not use version control tool to list files under a directory since
+" submodules are not searched by default.
+let g:Lf_UseVersionControlTool = 0
+
+" Use rg as the default search tool
+let g:Lf_DefaultExternalTool = "rg"
+
+" show dot files
+let g:Lf_ShowHidden = 1
+
+" Disable default mapping
+let g:Lf_ShortcutF = ''
+let g:Lf_ShortcutB = ''
+
+" set up working directory for git repository
+let g:Lf_WorkingDirectoryMode = 'a'
+
+" Search files in popup window
+nnoremap <silent> <leader>ff :<C-U>Leaderf file --popup<CR>
+
+" Grep project files in popup window
+nnoremap <silent> <leader>fg :<C-U>Leaderf rg --no-messages --popup  --nameOnly<CR>
+
+" Search vim help files
+nnoremap <silent> <leader>fh :<C-U>Leaderf help --popup<CR>
+
+" Search tags in current buffer
+nnoremap <silent> <leader>ft :<C-U>Leaderf bufTag --popup<CR>
+
+" Switch buffers
+nnoremap <silent> <leader>fb :<C-U>Leaderf buffer --popup<CR>
+
+" Search recent files
+nnoremap <silent> <leader>fr :<C-U>Leaderf mru --popup --absolute-path<CR>
+
+let g:Lf_PopupColorscheme = 'gruvbox_material'
+
+" Change keybinding in LeaderF prompt mode, use ctrl-n and ctrl-p to navigate
+" items.
+let g:Lf_CommandMap = {'<C-J>': ['<C-N>'], '<C-K>': ['<C-P>']}
+
+" do not preview results, it will add the file to buffer list
+let g:Lf_PreviewResult = {
+      \ 'File': 0,
+      \ 'Buffer': 0,
+      \ 'Mru': 0,
+      \ 'Tag': 0,
+      \ 'BufTag': 1,
+      \ 'Function': 1,
+      \ 'Line': 0,
+      \ 'Colorscheme': 0,
+      \ 'Rg': 0,
+      \ 'Gtags': 0
+      \}
+
 """"""""""""""""""""""""""" vista settings """"""""""""""""""""""""""""""""""
 let g:vista#renderer#icons = {
       \ 'member': '',
@@ -72,6 +151,25 @@ let g:neoformat_c_clangformat = {
 let g:neoformat_enabled_cpp = ['clangformat']
 let g:neoformat_enabled_c = ['clangformat']
 
+"""""""""""""""""""""""""vim-markdown settings"""""""""""""""""""
+" Disable header folding
+let g:vim_markdown_folding_disabled = 1
+
+" Whether to use conceal feature in markdown
+let g:vim_markdown_conceal = 1
+
+" Disable math tex conceal and syntax highlight
+let g:tex_conceal = ''
+let g:vim_markdown_math = 0
+
+" Support front matter of various format
+let g:vim_markdown_frontmatter = 1  " for YAML format
+let g:vim_markdown_toml_frontmatter = 1  " for TOML format
+let g:vim_markdown_json_frontmatter = 1  " for JSON format
+
+" Let the TOC window autofit so that it doesn't take too much space
+let g:vim_markdown_toc_autofit = 1
+
 """""""""""""""""""""""""markdown-preview settings"""""""""""""""""""
 " Only setting this for suitable platforms
 if g:is_win || g:is_mac