Migrate to latest Lazyvim (neovim 0.11.4)

[etc/lazyvim.git] / .config / lazyvim / after / ftplugin / mail.lua

diff --git a/.config/lazyvim/after/ftplugin/mail.lua b/.config/lazyvim/after/ftplugin/mail.lua
index afa4c39bd2b0a2cf3e314c365716316261e19e1a..8118cef9dbf6a32eab0f1212e4da9a847ddc1a6f 100644 (file)
--- a/.config/lazyvim/after/ftplugin/mail.lua
+++ b/.config/lazyvim/after/ftplugin/mail.lua
@@ -1,9 +1,86 @@
-vim.opt_local.formatoptions:remove("o")
-vim.opt_local.formatoptions:remove("r")
-vim.opt_local.formatoptions:remove("l")
-vim.opt_local.formatoptions:append("a")
-vim.opt_local.formatoptions:append("w")
-vim.opt_local.formatoptions:append("n")
+-- {{{ markdown in mail
+local i, _ = string.find(vim.bo.filetype, "markdown")
+if not i then
+  vim.opt_local.filetype = "mail.markdown"
+  -- this should trigger a reload of the ftplugin
+  return
+end
+
+-- There are no diagnostics for mail, but we do not want the
+-- Markdown standards imposed on mail header and signature…
+vim.diagnostic.enable(false)
+vim.b.autoformat = false
+
+-- disable Treesitter format expression for Mail
+vim.opt_local.formatexpr = ""
+
+-- Do not conceal anything (Markdown) in emails going out
+vim.opt_local.conceallevel = 0
+-- }}}
+
+-- {{{ formatting
+vim.opt_local.formatoptions:remove("o") -- would insert current comment leader for o/O
+vim.opt_local.formatoptions:remove("r") -- would insert current comment leader for <CR>
+vim.opt_local.formatoptions:remove("l") -- would not break lines that were long before insert
+
+vim.opt_local.commentstring = "> %s" -- commenting means quoting in mails
+-- }}}
+
+-- {{{ options
+vim.opt.number = false
+vim.opt.relativenumber = false
+vim.opt.signcolumn = "no"
+-- }}}
+
+-- {{{ autocmds
+vim.api.nvim_create_autocmd({ "BufWrite" }, {
+  buffer = 0,
+  group = vim.api.nvim_create_augroup("squashemptylines", { clear = true }),
+  callback = function()
+    local lines = vim.api.nvim_buf_get_lines(0, 0, -1, false)
+    local ret = {}
+    local count = 0
+    local squash = false
+    for _, line in ipairs(lines) do
+      if line == "" then
+        if not squash then
+          squash = true
+          table.insert(ret, line)
+        else
+          count = count + 1
+        end
+      else
+        squash = false
+        table.insert(ret, line)
+      end
+    end
+    if count > 0 then
+      vim.notify("Squashed " .. count .. " empty line(s)")
+    end
+    vim.api.nvim_buf_set_lines(0, 0, -1, false, ret)
+  end,
+})
+-- }}}
+
+-- {{{ keymaps
+vim.keymap.set("n", "<leader>m", "", { buffer = true, desc = "mail functions" })
+vim.keymap.set("n", "<leader>ms", "", { buffer = true, desc = "subject manipulation" })
+
+vim.keymap.set(
+  "n",
+  "<leader>msn",
+  ":1,/^$/s,\\v(Subject:)\\s*((Re|AW):\\s*)*((.|\\_s\\s+)+),\\1  (was: \\4),e<CR>:set nohls<CR>Whi",
+  -- <CR><cmd>set nohls<CR>f li",
+  { buffer = true, desc = "make a new subject" }
+)
+vim.keymap.set(
+  "n",
+  "<leader>msd",
+  '1G/\\v^Subject:(.|\\_s\\s+)+was:/e<CR>:set nohls<CR>"_dab',
+  { buffer = true, desc = "remove old subjects" }
+)
+
+-- {{{ profiles
 
 vim.keymap.set("n", "<leader>p", "", { buffer = true, desc = "mailplate profiles" })
 
@@ -23,7 +100,7 @@ local function profile_keymap(key, profile)
   )
 end
 
-profile_keymap("F1", "official")
+profile_keymap("F1", "main")
 profile_keymap("F2", "pobox")
 profile_keymap("F3", "tahi")
 profile_keymap("F4", "toni")
@@ -33,9 +110,13 @@ profile_keymap("F7", "siby")
 profile_keymap("F8", "debian")
 profile_keymap("F9", "uniwh")
 profile_keymap("F10", "mtfk")
-profile_keymap("F11", "sudetia")
 profile_keymap("F12", "default")
 
+-- }}} profiles
+-- }}}
+
+-- {{{ write mail backups
+
 local function write_mail_backup()
   local tmpdir = vim.fn.expand(os.getenv("TMPDIR") or "/tmp") .. "/mail-backups"
   vim.fn.mkdir(tmpdir, "p", "0o700")
@@ -55,4 +136,46 @@ vim.api.nvim_create_autocmd({ "BufWrite" }, {
   buffer = 0,
 })
 
+-- }}}
+
+-- {{{ mail area detect
+
+local function mail_area_detect()
+  local ts = vim.treesitter
+  if not ts then
+    return
+  end
+  local node = vim.treesitter.get_node()
+  if not node then
+    return
+  end
+  if node:type():find("^body") ~= nil then
+    vim.opt_local.formatoptions:append("a") -- turn on auto-reflow
+    vim.opt_local.formatoptions:append("w") -- trailing whitespace for format=flowed
+    vim.opt_local.formatoptions:append("n") -- numbered lists
+    vim.opt_local.formatoptions:append("t") -- autowrap with textwidth
+    vim.opt_local.formatoptions:append("c") -- autowrap and insert quote (comment) leader
+    vim.w.in_body = true
+  else
+    vim.opt_local.formatoptions:remove("a")
+    vim.opt_local.formatoptions:remove("w")
+    vim.opt_local.formatoptions:remove("n")
+    vim.opt_local.formatoptions:remove("t")
+    vim.opt_local.formatoptions:remove("c")
+    vim.w.in_body = false
+  end
+end
+
+local cmdgroup = vim.api.nvim_create_augroup("mailarea", { clear = true })
+vim.api.nvim_create_autocmd({ "CursorMoved", "CursorMovedI" }, {
+  buffer = 0,
+  group = cmdgroup,
+  callback = mail_area_detect,
+})
+mail_area_detect()
+
 vim.cmd.runtime("greeting_abbrevs.vim")
+
+-- }}}
+
+-- vim:foldmethod=marker:foldlevel=0