Fix/colorscheme picker wsl

init.lua

@@ -1,24 +1,4 @@
--- Disable Kitty keyboard protocol to avoid double Enter/Tab/Backspace on
--- Kitty and Alacritty (common on WSL GUI terminals with Neovim 0.11+).
-local function kitty_protocol_terminal()
-  local term = vim.env.TERM or ""
-  if term:match("kitty") or term:match("alacritty") then
-    return true
-  end
-  return vim.env.KITTY_WINDOW_ID ~= nil or vim.env.ALACRITTY_WINDOW_ID ~= nil
-end
-
-if kitty_protocol_terminal() then
-  vim.api.nvim_create_autocmd({ "VimEnter", "VimLeavePre" }, {
-    callback = function(ev)
-      if ev.event == "VimEnter" then
-        io.stdout:write("\027[>1u")
-      else
-        io.stdout:write("\027[<1u")
-      end
-    end,
-  })
-end
+require("config.term").setup()
 
 -- bootstrap lazy.nvim, LazyVim and your plugins
 require("config.lazy")

lua/config/autocmds.lua

@@ -102,15 +102,51 @@ vim.api.nvim_create_user_command(
   { desc = "show hi name" }
 )
 
+local in_cmdline = false
+local colorscheme_picker_opening = false
+
 local function open_colorscheme_picker()
-  -- Defer past cmdline teardown; keymaps don't need this, :commands do.
-  vim.schedule(function()
+  -- Double Enter (kitty protocol) can invoke the command twice and toggle-close.
+  if colorscheme_picker_opening then
+    return
+  end
+  colorscheme_picker_opening = true
+
+  vim.defer_fn(function()
+    colorscheme_picker_opening = false
+
+    local ok, picker_api = pcall(require, 'snacks.picker')
+    if not ok then
+      return
+    end
+
+    if picker_api.get({ source = "colorschemes" })[1] then
+      return
+    end
+
     require("snacks").picker.colorschemes({ auto_close = false })
-  end)
+  end, 100)
 end
 
+vim.api.nvim_create_autocmd("CmdlineEnter", {
+  callback = function()
+    in_cmdline = true
+    pcall(vim.diagnostic.hide)
+  end,
+})
+
+vim.api.nvim_create_autocmd("CmdlineLeave", {
+  callback = function()
+    in_cmdline = false
+  end,
+})
+
 vim.api.nvim_create_autocmd("CursorHold", {
   callback = function()
+    if in_cmdline then
+      return
+    end
+
     -- Cmdline/wildmenu: avoid diagnostic float stealing focus (WSL tab completion jump).
     local mode = vim.api.nvim_get_mode().mode
     if mode:find("^c") or vim.fn.getcmdwintype() ~= "" then
@@ -122,7 +158,7 @@ vim.api.nvim_create_autocmd("CursorHold", {
       return
     end
 
-    local ok, picker = pcall(require, "snacks.picker")
+    local ok, picker = pcall(require, 'snacks.picker')
     if ok and #picker.get() > 0 then
       return
     end

lua/config/term.lua

@@ -0,0 +1,65 @@
+local M = {}
+
+--- Kitty/Alacritty on WSL often reports a generic $TERM; detect via env too.
+function M.needs_key_protocol_fix()
+  if vim.env.NVIM_DISABLE_KEY_PROTOCOL == "1" then
+    return true
+  end
+
+  if vim.env.KITTY_WINDOW_ID or vim.env.ALACRITTY_WINDOW_ID then
+    return true
+  end
+
+  local term = vim.env.TERM or ""
+  if term:match("kitty") or term:match("alacritty") then
+    return true
+  end
+
+  if vim.env.WSL_DISTRO_NAME and (vim.env.WAYLAND_DISPLAY or vim.env.DISPLAY) then
+    return true
+  end
+
+  return false
+end
+
+--- Neovim 0.12+ enables kitty protocol with flags=3 (disambiguate + report key-up).
+--- That makes Enter/Tab/Backspace fire on keydown and keyup in Kitty/Alacritty (#31806).
+--- Push flags=1 (disambiguate only) after Neovim starts so each keypress fires once.
+function M.fix_key_protocol()
+  io.stdout:write("\027[>1u")
+  io.stdout:flush()
+end
+
+local function schedule_fix()
+  for _, delay in ipairs({ 0, 50, 150, 500 }) do
+    vim.defer_fn(M.fix_key_protocol, delay)
+  end
+end
+
+function M.setup()
+  if not M.needs_key_protocol_fix() then
+    return
+  end
+
+  schedule_fix()
+
+  vim.api.nvim_create_autocmd("VimEnter", {
+    callback = schedule_fix,
+  })
+
+  if vim.fn.exists("##UIEnter") == 1 then
+    vim.api.nvim_create_autocmd("UIEnter", {
+      once = true,
+      callback = schedule_fix,
+    })
+  end
+
+  vim.api.nvim_create_autocmd("VimLeavePre", {
+    callback = function()
+      io.stdout:write("\027[<1u")
+      io.stdout:flush()
+    end,
+  })
+end
+
+return M