feat(vim): what an adventure

.codespellrc

@@ -1,4 +1,4 @@
 [codespell]
-skip=vim/autoload/plug.vim,i3/3kon/*,i18n/zh_TW/LC_MESSAGES/*,ranger/*,vim/after/ftplugin/asy.vim,sh-scripts/git-prompt.bash,sh-scripts/git-completion.bash,gh-extensions/*,lualatex-font-catalog/*,*/poetry.lock,texmf/tex/latex/beamer/*,typst/packages/local/svg-emoji/*,nvim/lazy-lock.json
+skip=vim/autoload/plug.vim,i3/3kon/*,i18n/zh_TW/LC_MESSAGES/*,ranger/*,vim/after/ftplugin/asy.vim,sh-scripts/git-prompt.bash,sh-scripts/git-completion.bash,gh-extensions/*,lualatex-font-catalog/*,*/poetry.lock,texmf/tex/latex/beamer/*,typst/packages/local/svg-emoji/*
 count=
-ignore-words-list=ques,alph,mor,nd,progamer,iterm,oly,scaleable,ake,Fallin,WarpIn,ABD,Hom,forin,oint
+ignore-words-list=ques,alph,mor,nd,progamer,iterm,oly,scaleable,ake,Fallin,WarpIn,ABD,Hom,forin,oint,noice

nvim/lua/config/keymaps.lua

@@ -8,26 +8,23 @@ vim.keymap.set("n", "<CR>", function()
   else
     return "<CR>"
   end
-end, { expr = true, noremap = true, desc = "Write all" })
+end, { expr = true, remap = true, desc = "Write all" })
 
 vim.keymap.del("n", "s")
 vim.keymap.del("n", "S")
 
-vim.keymap.set(
-  "n",
-  "<Space>e",
-  ":let $VIM_DIR=expand('%:p:h')<CR>:silent !xfce4-terminal --working-directory='$VIM_DIR' &<CR>",
-  { noremap = true, desc = "Open an xfce4-terminal" }
-)
+vim.keymap.set("n", "<Space>t", function()
+  vim.cmd("silent !xfce4-terminal --working-directory='" .. vim.fn.expand("%:p:h") .. "' &")
+end, { noremap = true, silent = true, desc = "Open an xfce4-terminal" })
 
-vim.keymap.set("n", "-h", "<C-w>h", { noremap = true, desc = "Move one window left" })
-vim.keymap.set("n", "-l", "<C-w>l", { noremap = true, desc = "Move one window right" })
-vim.keymap.set("n", "-j", "<C-w>j", { noremap = true, desc = "Move one window down" })
-vim.keymap.set("n", "-k", "<C-w>k", { noremap = true, desc = "Move one window up" })
-vim.keymap.set("n", "-i", ":split<CR>", { noremap = true, desc = "Open a horizontal split" })
-vim.keymap.set("n", "-s", ":vsplit<CR>", { noremap = true, desc = "Open a vertical split" })
-
-vim.keymap.set("n", "<BS>", ":bp<CR>", { noremap = true, desc = "Previous buffer" })
+vim.keymap.set("n", "-o", "<C-w>o", { noremap = true, silent = true, desc = "Maximize window" })
+vim.keymap.set("n", "-h", "<C-w>h", { noremap = true, silent = true, desc = "Move one window left" })
+vim.keymap.set("n", "-l", "<C-w>l", { noremap = true, silent = true, desc = "Move one window right" })
+vim.keymap.set("n", "-j", "<C-w>j", { noremap = true, silent = true, desc = "Move one window down" })
+vim.keymap.set("n", "-k", "<C-w>k", { noremap = true, silent = true, desc = "Move one window up" })
+vim.keymap.set("n", "-i", ":split<CR>", { noremap = true, silent = true, desc = "Open a horizontal split" })
+vim.keymap.set("n", "-s", ":vsplit<CR>", { noremap = true, silent = true, desc = "Open a vertical split" })
+vim.keymap.set("n", "<BS>", ":bp<CR>", { noremap = true, silent = true, desc = "Previous buffer" })
 
 local function is_git_repo()
   vim.fn.system("git rev-parse --is-inside-work-tree 2>/dev/null")
@@ -54,3 +51,59 @@ vim.keymap.set("n", "<Space>-", function()
     Snacks.bufdelete()
   end
 end, { noremap = true, desc = "Close buffer" })
+
+vim.cmd([[
+" Buffer switching: https://vi.stackexchange.com/a/9255
+function! EvanSwitchBufNum(num)
+  let l:buffers = filter(range(1, bufnr('$')), 'buflisted(v:val)')
+  let l:input = a:num . ''
+  while 1
+    let l:cnt = 0
+    let l:i = 0
+
+    " count matches
+    while l:i<len(l:buffers)
+      let l:bn = l:buffers[l:i] . ''
+      if l:input==l:bn[0:len(l:input)-1]
+        let l:example = l:bn
+        let l:cnt+=1
+      endif
+      let l:i+=1
+    endwhile
+
+    " no matches
+    if l:cnt==0 && len(l:input)>0
+      echo 'no buffer [' . l:input . ']'
+      return ''
+    elseif l:cnt==1 && l:input==l:example
+      return ':b ' . l:example . "\<CR>"
+    endif
+
+    echo ':b ' . l:input
+    let l:n = getchar()
+    if l:n==char2nr("\<BS>") ||  l:n==char2nr("\<C-h>")
+      " delete one word
+      if len(l:input)>=2
+        let l:input = l:input[0:len(l:input)-2]
+      else
+        let l:input = ''
+      endif
+    elseif l:n==char2nr("\<CR>") || (l:n<char2nr('0') || l:n>char2nr('9'))
+      return ':b ' . l:input . "\<CR>"
+    else
+      let l:input = l:input . nr2char(l:n)
+    endif
+    let g:n = l:n
+    endwhile
+endfunc
+
+nnoremap <expr> <Space>1 EvanSwitchBufNum(1)
+nnoremap <expr> <Space>2 EvanSwitchBufNum(2)
+nnoremap <expr> <Space>3 EvanSwitchBufNum(3)
+nnoremap <expr> <Space>4 EvanSwitchBufNum(4)
+nnoremap <expr> <Space>5 EvanSwitchBufNum(5)
+nnoremap <expr> <Space>6 EvanSwitchBufNum(6)
+nnoremap <expr> <Space>7 EvanSwitchBufNum(7)
+nnoremap <expr> <Space>8 EvanSwitchBufNum(8)
+nnoremap <expr> <Space>9 EvanSwitchBufNum(9)
+]])

nvim/lua/plugins/builtins.lua

@@ -1,17 +1,7 @@
 return {
   {
-    "nvim-neo-tree/neo-tree.nvim",
-    keys = {
-      { "<leader>e", false },
-      { "<leader>E", false },
-      {
-        "<leader>t",
-        function()
-          require("neo-tree.command").execute({ toggle = true, dir = LazyVim.root() })
-        end,
-        desc = "Explorer NeoTree (Root Dir)",
-      },
-    },
+    "folke/noice.nvim",
+    enabled = false,
   },
   {
     "saghen/blink.cmp",
@@ -109,6 +99,9 @@ return {
                 hint = icons.diagnostics.Hint,
               },
             },
+          },
+          lualine_y = {
+            { "filetype", icon_only = false, separator = "", padding = { left = 1, right = 1 } },
             {
               "diff",
               symbols = {
@@ -128,11 +121,8 @@ return {
               end,
             },
           },
-          lualine_y = {
-            { "filetype", icon_only = false, separator = "", padding = { left = 1, right = 1 } },
-          },
           lualine_z = {
-            { "location", padding = { left = 0, right = 1 } },
+            { "location", padding = { left = 1, right = 1 } },
           },
         },
         extensions = { "neo-tree", "lazy", "fzf" },
@@ -161,4 +151,32 @@ return {
       return opts
     end,
   },
+  {
+    "akinsho/bufferline.nvim",
+    opts = {
+      highlights = {
+        buffer_selected = {
+          fg = {
+            attribute = "fg",
+            highlight = "CursorLineNr",
+          },
+        },
+        buffer_visible = {
+          fg = {
+            attribute = "fg",
+            highlight = "LineNr",
+          },
+        },
+      },
+      options = {
+        always_show_bufferline = true,
+        indicator = { style = "underline" },
+        show_buffer_close_icons = false,
+        show_close_icon = false,
+        modified_icon = "[+]",
+        numbers = "buffer_id",
+        tab_size = 12,
+      },
+    },
+  },
 }

nvim/lua/plugins/colorscheme.lua

@@ -17,13 +17,16 @@ return {
         return {
           LineNr = { fg = colors.peach },
           CursorLineNr = { fg = colors.teal, bg = colors.overlay0, style = { "bold" } },
+          Folded = { bg = colors.surface2 },
+
           Conceal = { fg = colors.yellow },
           Identifier = { style = { "bold" } },
           Include = { fg = colors.green },
           Function = { fg = colors.red },
           PreProc = { fg = colors.maroon, style = { "bold" } },
           Special = { fg = colors.green, style = { "bold" } },
           Statement = { fg = colors.sapphire, style = { "bold" } },
+
           texTitleArg = { fg = colors.base, style = { "bold" } },
           texEnvArgName = { fg = colors.red, style = { "bold" } },
           texEnvOpt = { fg = colors.text, style = { "bold" } },