feat: add dynamic DMS/base46 theme integration and switch the default colorscheme to Catppuccin

Author: HerrLiljegren

colors/dms.lua

@@ -0,0 +1,83 @@
+local present, base46 = pcall(require, "base46")
+if not present or not base46._DMS_SUPPORT then
+	vim.notify(
+		"base46 plugin not found or incorrect, make sure to install AvengeMedia/base46",
+		vim.log.levels.ERROR,
+		{ title = "dms integration" }
+	)
+	return
+end
+
+local config_home = vim.env.XDG_CONFIG_HOME
+if config_home == nil or #config_home == 0 then
+	config_home = vim.fs.joinpath(vim.env.HOME, ".config")
+end
+local settings_file_path = vim.fs.joinpath(config_home, "DankMaterialShell", "settings.json")
+local settings_file = io.open(settings_file_path, "r")
+if settings_file == nil then
+	vim.notify(
+		"cannnot read dms settings file at '" .. settings_file_path .. "'",
+		vim.log.levels.ERROR,
+		{ title = "dms integration" }
+	)
+	return
+end
+local settings = vim.json.decode(settings_file:read("*a"))
+settings_file:close()
+
+local function deepGet(t, k)
+	for _, s in ipairs(k) do
+		if type(t) ~= "table" then
+			return
+		end
+		t = t[s]
+	end
+	return t
+end
+
+local current_file_path = debug.getinfo(1, "S").source:sub(2)
+local theme_base = deepGet(settings, { "matugenTemplateNeovimSettings", vim.o.background, "baseTheme" })
+	or ("github_" .. vim.o.background)
+local harmony = deepGet(settings, { "matugenTemplateNeovimSettings", vim.o.background, "harmony" }) or 0.5
+local theme_name = "dms"
+
+if not _G._matugen_theme_watcher then
+	local uv = vim.uv or vim.loop
+	_G._matugen_theme_watcher = { uv.new_fs_event(), uv.new_fs_event(), reload_timer = uv.new_timer() }
+
+	local debounce_time = 100 -- ms
+	local function handler()
+		_G._matugen_theme_watcher.reload_timer:stop()
+		_G._matugen_theme_watcher.reload_timer:start(
+			debounce_time,
+			0,
+			vim.schedule_wrap(function()
+				base46.theme_tables[theme_name] = nil
+				if vim.g.colors_name == theme_name then
+					vim.cmd.colorscheme(theme_name)
+					vim.notify("Theme reload", vim.log.levels.INFO, { title = "dms integration" })
+				end
+				-- NOTE: contrary to what the documentation says, uv fs events usually do not manage to react to more than one edit.
+				-- I understand that this is not intended: some edit processes in a typical system (e.g. the one neovim uses with
+				-- multiple renames and changes) make things hard to follow for libuv. Therefore, a restart is the best option.
+				_G._matugen_theme_watcher[1]:stop()
+				_G._matugen_theme_watcher[2]:stop()
+				_G._matugen_theme_watcher[1]:start(current_file_path, {}, handler)
+				_G._matugen_theme_watcher[2]:start(settings_file_path, {}, handler)
+			end)
+		)
+	end
+	_G._matugen_theme_watcher[1]:start(current_file_path, {}, handler)
+	_G._matugen_theme_watcher[2]:start(settings_file_path, {}, handler)
+end
+
+if not base46.theme_tables[theme_name] or base46.theme_tables[theme_name].type ~= vim.o.background then
+	local builtin = vim.deepcopy(assert(base46.get_builtin_theme(theme_base)))
+	local harmonized = base46.theme_harmonize(builtin, "#89b4fa", harmony)
+	harmonized = base46.theme_set_bg(harmonized, "#1e1e2e")
+
+	base46.theme_tables[theme_name] = harmonized
+end
+
+base46.load(theme_name)
+vim.g.colors_name = theme_name

init.lua

@@ -789,28 +789,57 @@ require('lazy').setup({
     },
   },
 
-  { -- You can easily change to a different colorscheme.
-    -- Change the name of the colorscheme plugin below, and then
-    -- change the command in the config to whatever the name of that colorscheme is.
-    --
-    -- If you want to see what colorschemes are already installed, you can use `:Telescope colorscheme`.
-    'folke/tokyonight.nvim',
-    priority = 1000, -- Make sure to load this before all the other start plugins.
+  { -- Colorscheme
+    'catppuccin/nvim',
+    name = 'catppuccin',
+    priority = 1000,
     config = function()
-      ---@diagnostic disable-next-line: missing-fields
-      require('tokyonight').setup {
-        styles = {
-          comments = { italic = false }, -- Disable italics in comments
+      require('catppuccin').setup {
+        flavour = 'mocha',
+        background = {
+          light = 'latte',
+          dark = 'mocha',
         },
+        transparent_background = true,
+        show_end_of_buffer = false,
+        term_colors = true,
+        integrations = {
+          gitsigns = true,
+          mason = true,
+          mini = {
+            enabled = true,
+            indentscope_color = '',
+          },
+          native_lsp = {
+            enabled = true,
+            inlay_hints = {
+              background = true,
+            },
+          },
+          telescope = {
+            enabled = true,
+          },
+          treesitter = true,
+          which_key = true,
+        },
+        custom_highlights = function(colors)
+          return {
+            CursorLineNr = { fg = colors.lavender, bold = true },
+            FloatBorder = { bg = colors.mantle, fg = colors.surface2 },
+            LineNr = { fg = colors.overlay1 },
+            NormalFloat = { bg = colors.mantle },
+            Pmenu = { bg = colors.mantle, fg = colors.text },
+            PmenuSel = { bg = colors.surface0, fg = colors.text, bold = true },
+            StatusLine = { bg = colors.surface0, fg = colors.text },
+            StatusLineNC = { bg = colors.base, fg = colors.overlay1 },
+            Visual = { bg = colors.surface1 },
+          }
+        end,
       }
 
-      -- Load the colorscheme here.
-      -- Like many other themes, this one has different styles, and you could load
-      -- any other, such as 'tokyonight-storm', 'tokyonight-moon', or 'tokyonight-day'.
-      vim.cmd.colorscheme 'tokyonight-night'
+      vim.cmd.colorscheme 'catppuccin'
     end,
   },
-  { 'catppuccin/nvim', name = 'catppuccin', priority = 1000 },
 
   -- Highlight todo, notes, etc in comments
   { 'folke/todo-comments.nvim', event = 'VimEnter', dependencies = { 'nvim-lua/plenary.nvim' }, opts = { signs = false } },