theme and scripts

config/nvim/lua/plugins/ui.lua

@@ -1,74 +1,49 @@
 return {
-    {
-        'harivansh-afk/cozybox.nvim',
-        lazy = false,
-        priority = 1000,
-        config = function()
-            local function apply_cozybox_overrides()
-                local links = {
-                    { 'DiffsAdd', 'DiffAdd' },
-                    { 'DiffsDelete', 'DiffDelete' },
-                    { 'DiffsChange', 'DiffChange' },
-                    { 'DiffsText', 'DiffText' },
-                    { 'DiffsClear', 'Normal' },
-                }
-                for _, pair in ipairs(links) do
-                    vim.api.nvim_set_hl(0, pair[1], { link = pair[2], default = false })
-                end
-            end
-
-            vim.api.nvim_create_augroup('cozybox_fallback_highlights', { clear = true })
-            vim.api.nvim_create_autocmd('ColorScheme', {
-                group = 'cozybox_fallback_highlights',
-                callback = function()
-                    if vim.g.colors_name == 'cozybox' then
-                        apply_cozybox_overrides()
-                    end
-                end,
-            })
-
-            vim.cmd.colorscheme('cozybox')
-            apply_cozybox_overrides()
-        end,
-    },
-    {
-        'nvim-lualine/lualine.nvim',
-        dependencies = { 'nvim-tree/nvim-web-devicons' },
-        config = function()
-            local theme = {
-                normal = {
-                    a = { gui = 'bold' },
-                },
-                visual = {
-                    a = { gui = 'bold' },
-                },
-                replace = {
-                    a = { gui = 'bold' },
-                },
-                command = {
-                    a = { gui = 'bold' },
-                },
-            }
-            require('lualine').setup({
-                options = {
-                    icons_enabled = false,
-                    component_separators = '',
-                    section_separators = { left = '', right = '' },
-                    theme = theme,
-                },
-                sections = {
-                    lualine_a = { 'mode' },
-                    lualine_b = { 'FugitiveHead', 'diff' },
-                    lualine_c = { { 'filename', path = 0 } },
-                    lualine_x = { 'diagnostics' },
-                    lualine_y = { 'filetype' },
-                    lualine_z = { 'progress' },
-                },
-            })
-        end,
-    },
-    {
-        'barrettruth/nonicons.nvim',
-        dependencies = { 'nvim-tree/nvim-web-devicons' },
-    },
+  {
+    dir = vim.fn.expand "~/Documents/GitHub/cozybox.nvim",
+    name = "cozybox.nvim",
+    lazy = false,
+    priority = 1000,
+    config = function() require("theme").setup() end,
+  },
+  {
+    "nvim-lualine/lualine.nvim",
+    dependencies = { "nvim-tree/nvim-web-devicons" },
+    config = function()
+      local theme = {
+        normal = {
+          a = { gui = "bold" },
+        },
+        visual = {
+          a = { gui = "bold" },
+        },
+        replace = {
+          a = { gui = "bold" },
+        },
+        command = {
+          a = { gui = "bold" },
+        },
+      }
+      require("lualine").setup {
+        options = {
+          icons_enabled = false,
+          component_separators = "",
+          section_separators = { left = "", right = "" },
+          theme = theme,
+        },
+        sections = {
+          lualine_a = { "mode" },
+          lualine_b = { "FugitiveHead", "diff" },
+          lualine_c = { { "filename", path = 0 } },
+          lualine_x = { "diagnostics" },
+          lualine_y = { "filetype" },
+          lualine_z = { "progress" },
+        },
+      }
+    end,
+  },
+  {
+    "barrettruth/nonicons.nvim",
+    dependencies = { "nvim-tree/nvim-web-devicons" },
+  },
 }

config/nvim/lua/theme.lua

@@ -0,0 +1,88 @@
+local M = {}
+
+local theme_state_file = vim.fn.stdpath "state" .. "/theme/current"
+local active_schemes = {
+  cozybox = true,
+  ["cozybox-light"] = true,
+}
+
+local function ensure_server_socket()
+  if vim.v.servername ~= nil and vim.v.servername ~= "" then
+    return
+  end
+
+  local socket_path = ("/tmp/nvim-%d.sock"):format(vim.fn.getpid())
+  vim.fn.serverstart(socket_path)
+end
+
+local function apply_cozybox_overrides()
+  local links = {
+    { "DiffsAdd", "DiffAdd" },
+    { "DiffsDelete", "DiffDelete" },
+    { "DiffsChange", "DiffChange" },
+    { "DiffsText", "DiffText" },
+    { "DiffsClear", "Normal" },
+  }
+
+  for _, pair in ipairs(links) do
+    vim.api.nvim_set_hl(0, pair[1], { link = pair[2], default = false })
+  end
+end
+
+local function read_mode()
+  local ok, lines = pcall(vim.fn.readfile, theme_state_file)
+  if not ok or not lines or not lines[1] then return "dark" end
+
+  local mode = vim.trim(lines[1])
+  if mode == "light" then return "light" end
+
+  return "dark"
+end
+
+local function colorscheme_for_mode(mode)
+  if mode == "light" then return "cozybox-light" end
+
+  return "cozybox"
+end
+
+function M.apply(mode)
+  local next_mode = mode or read_mode()
+  local next_scheme = colorscheme_for_mode(next_mode)
+
+  if vim.o.background ~= next_mode then vim.o.background = next_mode end
+
+  if vim.g.cozybox_theme_mode ~= next_mode or vim.g.colors_name ~= next_scheme then vim.cmd.colorscheme(next_scheme) end
+
+  vim.g.cozybox_theme_mode = next_mode
+  apply_cozybox_overrides()
+end
+
+function M.setup()
+  local group = vim.api.nvim_create_augroup("cozybox_theme_sync", { clear = true })
+
+  ensure_server_socket()
+
+  vim.api.nvim_create_autocmd("ColorScheme", {
+    group = group,
+    callback = function()
+      if active_schemes[vim.g.colors_name] then apply_cozybox_overrides() end
+    end,
+  })
+
+  vim.api.nvim_create_autocmd({ "VimEnter", "FocusGained" }, {
+    group = group,
+    callback = function() M.apply() end,
+  })
+
+  vim.api.nvim_create_user_command("ThemeSync", function(opts)
+    local mode = opts.args ~= "" and opts.args or nil
+    M.apply(mode)
+  end, {
+    nargs = "?",
+    complete = function() return { "dark", "light" } end,
+  })
+
+  M.apply()
+end
+
+return M