♻️ refactor(highlight): move highlight file

Move highlight file to utils

lua/utils/highlight.lua

@@ -0,0 +1,236 @@
+--          ╭─────────────────────────────────────────────────────────╮
+--          │                        Highlight                        │
+--          ╰─────────────────────────────────────────────────────────╯
+local M = {}
+
+local rooticolor = require("utils.rooticolor")
+
+-- Function to set up indent highlights
+function M.setup_indent_highlight()
+  -- Get the background color of CursorLine
+  local cursorline_bg_hex = rooticolor.get_bg_color("CursorLine")
+
+  -- Get the foreground color of Error
+  local miniiconsred_fg_hex = rooticolor.get_fg_color("Error")
+
+  local hooks = require("ibl.hooks")
+  -- create the highlight groups in the highlight setup hook, so they are reset
+  -- every time the colorscheme changes
+  if cursorline_bg_hex then
+    -- Define custom highlight groups for indent using the CursorLine background color
+    hooks.register(hooks.type.HIGHLIGHT_SETUP, function()
+      vim.api.nvim_set_hl(
+        0,
+        "IndentBlanklineIndent",
+        { fg = cursorline_bg_hex, nocombine = true }
+      )
+      vim.api.nvim_set_hl(
+        0,
+        "IndentsScopeHighlight",
+        { fg = miniiconsred_fg_hex, nocombine = true }
+      )
+    end)
+  end
+
+  -- Configure the indent-blankline plugin
+  require("ibl").setup({
+    indent = {
+      char = {
+        "󰎤",
+        "󰎧",
+        "󰎪",
+        "󰎭",
+        "󰎱",
+        "󰎳",
+        "󰎶",
+        "󰎹",
+        "󰎼",
+        "󰽽",
+      },
+      highlight = {
+        "IndentBlanklineIndent",
+      },
+    },
+    scope = {
+      show_start = true,
+      highlight = {
+        "IndentsScopeHighlight",
+        "IndentsScopeHighlight",
+      },
+      char = "",
+    },
+    whitespace = {
+      remove_blankline_trail = true,
+    },
+    exclude = {
+      filetypes = {
+        "help",
+        "alpha",
+        "dashboard",
+        "neo-tree",
+        "Trouble",
+        "trouble",
+        "lazy",
+        "mason",
+        "notify",
+        "toggleterm",
+        "lazyterm",
+      },
+    },
+  })
+
+  -- Configure the deadcolumn plugin
+  require("deadcolumn").setup({
+    scope = "line", ---@type string|fun(): integer
+    modes = function(mode)
+      return mode:find("^[ictRss\x13]") ~= nil
+    end,
+    blending = {
+      threshold = 0.9,
+      colorcode = cursorline_bg_hex,
+      hlgroup = { "Normal", "bg" },
+    },
+    warning = {
+      alpha = 0.4,
+      offset = 0,
+      colorcode = miniiconsred_fg_hex,
+      hlgroup = { "Error", "bg" },
+    },
+    extra = {
+      follow_tw = "80",
+    },
+  })
+
+  -- Set colorcolumn
+  vim.cmd(":set colorcolumn=120")
+end
+
+function M.setup_mode_highlight()
+  local current_mode = vim.fn.mode()
+  local bg_color
+
+  if current_mode == "n" then
+    bg_color = rooticolor.get_bg_color("MiniStatuslineModeNormal")
+    vim.api.nvim_set_hl(0, "SmoothCursor", { fg = bg_color })
+    vim.fn.sign_define("smoothcursor", { text = "" })
+  elseif current_mode == "v" then
+    bg_color = rooticolor.get_bg_color("MiniStatuslineModeVisual")
+    vim.api.nvim_set_hl(0, "SmoothCursor", { fg = bg_color })
+    vim.fn.sign_define("smoothcursor", { text = "" })
+  elseif current_mode == "V" then
+    bg_color = rooticolor.get_bg_color("MiniStatuslineModeVisual")
+    vim.api.nvim_set_hl(0, "SmoothCursor", { fg = bg_color })
+    vim.fn.sign_define("smoothcursor", { text = "" })
+  elseif current_mode == "R" or current_mode == "r" then
+    bg_color = rooticolor.get_bg_color("MiniStatuslineModeReplace")
+    vim.api.nvim_set_hl(0, "SmoothCursor", { fg = bg_color })
+    vim.fn.sign_define("smoothcursor", { text = "" })
+  elseif current_mode == "i" then
+    bg_color = rooticolor.get_bg_color("MiniStatuslineModeInsert")
+    vim.api.nvim_set_hl(0, "SmoothCursor", { fg = bg_color })
+    vim.fn.sign_define("smoothcursor", { text = "" })
+  else
+    bg_color = rooticolor.get_bg_color("MiniStatuslineModeNormal")
+    vim.api.nvim_set_hl(0, "SmoothCursor", { fg = bg_color })
+    vim.fn.sign_define("smoothcursor", { text = "" })
+  end
+end
+
+function M.setup_dashboard_highlight()
+  if not vim.g.DashboardHeaderColor then
+    local dash_color = rooticolor.get_fg_color("Error")
+    vim.api.nvim_set_hl(0, "DashboardHeader", { fg = dash_color })
+  else
+    vim.api.nvim_set_hl(
+      0,
+      "DashboardHeader",
+      { fg = vim.g.DashboardHeaderColor }
+    )
+  end
+end
+
+-- Setup autocommands to update on InsertEnter and ColorScheme events
+function M.setup_autocommands()
+  local autogrp = vim.api.nvim_create_augroup
+  local autocmd = vim.api.nvim_create_autocmd
+  autogrp("IndentHighlight", { clear = true })
+
+  -- List of filetypes to exclude
+  local excluded_filetypes = {
+    "help",
+    "alpha",
+    "dashboard",
+    "neo-tree",
+    "Trouble",
+    "trouble",
+    "lazy",
+    "mason",
+    "notify",
+    "toggleterm",
+    "lazyterm",
+  }
+
+  -- Autocommand to trigger setup on FileType
+  autocmd("FileType", {
+    group = "IndentHighlight",
+    callback = function()
+      local filetype = vim.bo.filetype
+      if not vim.tbl_contains(excluded_filetypes, filetype) then
+        M.setup_indent_highlight()
+      end
+    end,
+  })
+
+  -- Autocommand to trigger setup on ColorScheme
+  autocmd("ColorScheme", {
+    pattern = "*",
+    group = "IndentHighlight",
+    callback = function()
+      M.setup_indent_highlight()
+    end,
+  })
+  -- Autocommand to trigger setup on ModeChanged
+  autogrp("ModeHighlighting", { clear = true })
+  autocmd("ModeChanged", {
+    group = "ModeHighlighting",
+    callback = function()
+      M.setup_mode_highlight()
+    end,
+  })
+
+  -- Create a new augroup for the dashboard
+  local dashboardGroup = autogrp("DashboardColors", { clear = true })
+  -- Autocommand to trigger setup on FileType
+  autocmd("FileType", {
+    pattern = "*",
+    group = dashboardGroup,
+    callback = function()
+      M.setup_dashboard_highlight()
+    end,
+  })
+  -- Reapply highlights when the colorscheme changes
+  autocmd("ColorScheme", {
+    pattern = "*",
+    group = dashboardGroup,
+    callback = function()
+      M.setup_dashboard_highlight()
+    end,
+  })
+  -- Match neovim and terminal background colors
+  vim.api.nvim_create_autocmd({ "UIEnter", "ColorScheme" }, {
+    callback = function()
+      local normal = vim.api.nvim_get_hl(0, { name = "Normal" })
+      if not normal.bg then
+        return
+      end
+      io.write(string.format("\027]11;#%06x\027\\", normal.bg))
+    end,
+  })
+  vim.api.nvim_create_autocmd("UILeave", {
+    callback = function()
+      io.write("\027]111\027\\")
+    end,
+  })
+end
+
+return M