Add mapping to delete other buffers

Do not show buffer number and use a mapping to pick buffer instead.

README.md

@@ -84,6 +84,7 @@ and how to set up on different platforms (Linux, macOS, and Windows).
 + 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)
 + ......
 
 # UI Demo
@@ -140,6 +141,12 @@ Go to a string starting with `se`
 <img src="https://user-images.githubusercontent.com/16662357/128589873-aadb8264-1098-4834-9876-fa66a309be05.gif" width="800">
 </p>
 
+## code folding with nvim-ufo and statuscol.nvim
+
+<p align="center">
+<img src="https://github.com/user-attachments/assets/a01a56b2-7c91-43de-b305-f2fbaa81dcec" width="800">
+</p>
+
 # Shortcuts
 
 Some of the shortcuts I use frequently are listed here. In the following shortcuts, `<leader>` represents ASCII character `,`.
@@ -165,12 +172,14 @@ Some of the shortcuts I use frequently are listed here. In the following shortcu
 | `<space>t`        | Normal        | Linux/macOS/Win | Toggle tag window (show project tags in the right window)                |
 | `<leader>gs`      | Normal        | Linux/macOS/Win | Show Git status result                                                   |
 | `<leader>gw`      | Normal        | Linux/macOS/Win | Run Git add for current file                                             |
-| `<leader>gd`      | Normal        | Linux/macOS/Win | Run git diff for current file                                            |
 | `<leader>gc`      | Normal        | Linux/macOS/Win | Run git commit                                                           |
 | `<leader>gpl`     | Normal        | Linux/macOS/Win | Run git pull                                                             |
 | `<leader>gpu`     | Normal        | Linux/macOS/Win | Run git push                                                             |
+| `<leader>gbd`     | Normal        | Linux/macOS/Win | Delete a branch                                                          |
+| `<leader>gbn`     | Normal        | Linux/macOS/Win | Create a new branch                                                      |
 | `<leader>gl`      | Normal/Visual | Linux/macOS/Win | Get perm link for current/visually-select lines                          |
-| `<leader>gb`      | Normal        | macOS           | Browse current git repo in browser                                       |
+| `<leader>gbr`     | Normal        | macOS           | Browse current git repo in browser                                       |
+| `<leader>gb`      | Visual        | macOS           | Blame current line                                                       |
 | `<F9>`            | Normal        | Linux/macOS/Win | Compile&run current source file (for C++, LaTeX, Lua, Python)            |
 | `<F11>`           | Normal        | Linux/macOS/Win | Toggle spell checking                                                    |
 | `<F12>`           | Normal        | Linux/macOS/Win | Toggle paste mode                                                        |
@@ -191,11 +200,12 @@ Some of the shortcuts I use frequently are listed here. In the following shortcu
 
 In addition to commands provided by various plugins, I have also created some custom commands for personal use.
 
-| command    | description                                                             | example                        |
-|------------|-------------------------------------------------------------------------|--------------------------------|
-| `Redir`    | capture command output to a tabpage for easier inspection.              | `Redir hi`                     |
-| `Edit`     | edit multiple files at the same time, supports globing                  | `Edit *.vim`                   |
-| `Datetime` | print current date and time or convert Unix time stamp to date and time | `Datetime 12345` or `Datetime` |
+| command      | description                                                             | example                        |
+|--------------|-------------------------------------------------------------------------|--------------------------------|
+| `Redir`      | capture command output to a tabpage for easier inspection.              | `Redir hi`                     |
+| `Edit`       | edit multiple files at the same time, supports globing                  | `Edit *.vim`                   |
+| `Datetime`   | print current date and time or convert Unix time stamp to date and time | `Datetime 12345` or `Datetime` |
+| `JSONFormat` | format a JSON file                                                      | `JSONFormat`                   |
 
 # Contributing
 

lua/config/bufferline.lua

@@ -1,6 +1,6 @@
 require("bufferline").setup {
   options = {
-    numbers = "buffer_id",
+    numbers = "none",
     close_command = "bdelete! %d",
     right_mouse_command = nil,
     left_mouse_command = "buffer %d",
@@ -44,3 +44,7 @@ require("bufferline").setup {
     sort_by = "id",
   },
 }
+
+vim.keymap.set("n", "<space>bp", "<cmd>BufferLinePick<CR>", {
+  desc = "pick a buffer",
+})

lua/config/fugitive.lua

@@ -10,8 +10,8 @@ keymap.set("v", "<leader>gb", ":Git blame<cr>", { desc = "Git: blame selected li
 -- convert git to Git in command line mode
 vim.fn["utils#Cabbrev"]("git", "Git")
 
-keymap.set("n", "<leader>gnb", function()
-  vim.ui.input({ prompt = "Enter the new branch nmae" }, function(user_input)
+keymap.set("n", "<leader>gbn", function()
+  vim.ui.input({ prompt = "Enter a new branch name" }, function(user_input)
     if user_input == nil or user_input == "" then
       return
     end

lua/mappings.lua

@@ -45,7 +45,21 @@ keymap.set("n", [[\x]], "<cmd>windo lclose <bar> cclose <cr>", {
 -- Delete a buffer, without closing the window, see https://stackoverflow.com/q/4465095/6064933
 keymap.set("n", [[\d]], "<cmd>bprevious <bar> bdelete #<cr>", {
   silent = true,
-  desc = "delete buffer",
+  desc = "delete current buffer",
+})
+
+keymap.set("n", [[\D]], function()
+  local buf_ids = vim.api.nvim_list_bufs()
+  local cur_buf = vim.api.nvim_win_get_buf(0)
+
+  for _, buf_id in pairs(buf_ids) do
+    -- do not Delete unlisted buffers, which may lead to unexpected errors
+    if vim.api.nvim_get_option_value("buflisted", { buf = buf_id }) and buf_id ~= cur_buf then
+      vim.api.nvim_buf_delete(buf_id, { force = true })
+    end
+  end
+end, {
+  desc = "delete other buffers",
 })
 
 -- Insert a blank line below or above current line (do not move the cursor),
@@ -218,18 +232,20 @@ keymap.set("n", "<leader>cb", function()
     return
   end
 
-  timer:start(0, 100, vim.schedule_wrap(function()
-    vim.cmd [[
+  timer:start(
+    0,
+    100,
+    vim.schedule_wrap(function()
+      vim.cmd([[
       set cursorcolumn!
       set cursorline!
-    ]]
+    ]])
 
-    if cnt == blink_times then
-      timer:close()
-    end
+      if cnt == blink_times then
+        timer:close()
+      end
 
-    cnt = cnt + 1
-  end)
+      cnt = cnt + 1
+    end)
   )
-end,
-  { desc = "show cursor" })
+end, { desc = "show cursor" })