[Feature] switch galaxyline to lualine (#1329)

6 files changed, 404 insertions, 0 deletions

diff --git a/lua/core/lualine/colors.lua b/lua/core/lualine/colors.lua
new file mode 100644
index 00000000..4984cd1f
--- /dev/null
+++ b/lua/core/lualine/colors.lua
@@ -0,0 +1,16 @@
+local colors = {
+  bg = "#202328",
+  fg = "#bbc2cf",
+  yellow = "#ECBE7B",
+  cyan = "#008080",
+  darkblue = "#081633",
+  green = "#98be65",
+  orange = "#FF8800",
+  violet = "#a9a1e1",
+  magenta = "#c678dd",
+  purple = "#c678dd",
+  blue = "#51afef",
+  red = "#ec5f67",
+}
+
+return colors
diff --git a/lua/core/lualine/components.lua b/lua/core/lualine/components.lua
new file mode 100644
index 00000000..b9211a79
--- /dev/null
+++ b/lua/core/lualine/components.lua
@@ -0,0 +1,130 @@
+local conditions = require "core.lualine.conditions"
+local colors = require "core.lualine.colors"
+
+return {
+  vi_mode = {
+    function()
+      return " "
+    end,
+    left_padding = 0,
+    right_padding = 0,
+    condition = conditions.hide_in_width,
+  },
+  branch = {
+    "branch",
+    icon = " ",
+    condition = function()
+      return conditions.hide_in_width() and conditions.check_git_workspace()
+    end,
+  },
+  diff = {
+    "diff",
+    symbols = { added = "  ", modified = "柳", removed = " " },
+    color_added = { fg = colors.green },
+    color_modified = { fg = colors.yellow },
+    color_removed = { fg = colors.red },
+    condition = conditions.hide_in_width,
+  },
+  python_env = {
+    function()
+      local utils = require "core.lualine.utils"
+      if vim.bo.filetype == "python" then
+        local venv = os.getenv "CONDA_DEFAULT_ENV"
+        if venv then
+          return string.format("  (%s)", utils.env_cleanup(venv))
+        end
+        venv = os.getenv "VIRTUAL_ENV"
+        if venv then
+          return string.format("  (%s)", utils.env_cleanup(venv))
+        end
+        return ""
+      end
+      return ""
+    end,
+    color = { fg = colors.green },
+    condition = conditions.hide_in_width,
+  },
+  diagnostics = {
+    "diagnostics",
+    sources = { "nvim_lsp" },
+    symbols = { error = " ", warn = " ", info = " ", hint = " " },
+    condition = conditions.hide_in_width,
+  },
+  treesitter = {
+    function()
+      if next(vim.treesitter.highlighter.active) then
+        return "  "
+      end
+      return ""
+    end,
+    color = { fg = colors.green },
+    condition = conditions.hide_in_width,
+  },
+  lsp = {
+    function(msg)
+      msg = msg or "LSP Inactive"
+      local buf_clients = vim.lsp.buf_get_clients()
+      if next(buf_clients) == nil then
+        return msg
+      end
+      local buf_ft = vim.bo.filetype
+      local buf_client_names = {}
+
+      -- add client
+      local utils = require "lsp.utils"
+      local active_client = utils.get_active_client_by_ft(buf_ft)
+      for _, client in pairs(buf_clients) do
+        if client.name ~= "null-ls" then
+          table.insert(buf_client_names, client.name)
+        end
+      end
+      vim.list_extend(buf_client_names, active_client or {})
+
+      -- add formatter
+      local formatters = require "lsp.null-ls.formatters"
+      local supported_formatters = formatters.list_supported_names(buf_ft)
+      vim.list_extend(buf_client_names, supported_formatters)
+
+      -- add linter
+      local linters = require "lsp.null-ls.linters"
+      local supported_linters = linters.list_supported_names(buf_ft)
+      vim.list_extend(buf_client_names, supported_linters)
+
+      return table.concat(buf_client_names, ", ")
+    end,
+    condition = conditions.hide_in_width,
+    icon = " ",
+    color = { gui = "bold" },
+  },
+  location = { "location", condition = conditions.hide_in_width },
+  progress = { "progress", condition = conditions.hide_in_width },
+  spaces = {
+    function()
+      local label = "Spaces: "
+      if not vim.api.nvim_buf_get_option(0, "expandtab") then
+        label = "Tab size: "
+      end
+      return label .. vim.api.nvim_buf_get_option(0, "shiftwidth") .. " "
+    end,
+    condition = conditions.hide_in_width,
+  },
+  encoding = {
+    "o:encoding",
+    upper = true,
+    condition = conditions.hide_in_width,
+  },
+  filetype = { "filetype", condition = conditions.hide_in_width },
+  scrollbar = {
+    function()
+      local current_line = vim.fn.line "."
+      local total_lines = vim.fn.line "$"
+      local chars = { "__", "▁▁", "▂▂", "▃▃", "▄▄", "▅▅", "▆▆", "▇▇", "██" }
+      local line_ratio = current_line / total_lines
+      local index = math.ceil(line_ratio * #chars)
+      return chars[index]
+    end,
+    color = { fg = colors.yellow, bg = colors.bg },
+    left_padding = 0,
+    right_padding = 0,
+  },
+}
diff --git a/lua/core/lualine/conditions.lua b/lua/core/lualine/conditions.lua
new file mode 100644
index 00000000..2d2d81ef
--- /dev/null
+++ b/lua/core/lualine/conditions.lua
@@ -0,0 +1,17 @@
+local window_width_limit = 80
+
+local conditions = {
+  buffer_not_empty = function()
+    return vim.fn.empty(vim.fn.expand "%:t") ~= 1
+  end,
+  hide_in_width = function()
+    return vim.fn.winwidth(0) > window_width_limit
+  end,
+  check_git_workspace = function()
+    local filepath = vim.fn.expand "%:p:h"
+    local gitdir = vim.fn.finddir(".git", filepath .. ";")
+    return gitdir and #gitdir > 0 and #gitdir < #filepath
+  end,
+}
+
+return conditions
diff --git a/lua/core/lualine/init.lua b/lua/core/lualine/init.lua
new file mode 100644
index 00000000..5b3ce2a1
--- /dev/null
+++ b/lua/core/lualine/init.lua
@@ -0,0 +1,47 @@
+local M = {}
+M.config = function()
+  lvim.builtin.lualine = {
+    active = true,
+    style = "lvim",
+    options = {
+      icons_enabled = nil,
+      component_separators = nil,
+      section_separators = nil,
+      theme = nil,
+      disabled_filetypes = nil,
+    },
+    sections = {
+      lualine_a = nil,
+      lualine_b = nil,
+      lualine_c = nil,
+      lualine_x = nil,
+      lualine_y = nil,
+      lualine_z = nil,
+    },
+    inactive_sections = {
+      lualine_a = nil,
+      lualine_b = nil,
+      lualine_c = nil,
+      lualine_x = nil,
+      lualine_y = nil,
+      lualine_z = nil,
+    },
+    tabline = nil,
+    extensions = nil,
+    on_config_done = nil,
+  }
+end
+
+M.setup = function()
+  require("core.lualine.styles").update()
+  require("core.lualine.utils").validate_theme()
+
+  local lualine = require "lualine"
+  lualine.setup(lvim.builtin.lualine)
+
+  if lvim.builtin.lualine.on_config_done then
+    lvim.builtin.lualine.on_config_done(lualine, lvim.builtin.lualine)
+  end
+end
+
+return M
diff --git a/lua/core/lualine/styles.lua b/lua/core/lualine/styles.lua
new file mode 100644
index 00000000..e35f66fe
--- /dev/null
+++ b/lua/core/lualine/styles.lua
@@ -0,0 +1,170 @@
+local M = {}
+local components = require "core.lualine.components"
+
+local styles = {
+  lvim = nil,
+  default = nil,
+  none = nil,
+}
+
+styles.none = {
+  style = "none",
+  options = {
+    icons_enabled = true,
+    component_separators = "",
+    section_separators = "",
+    disabled_filetypes = {},
+  },
+  sections = {
+    lualine_a = {},
+    lualine_b = {},
+    lualine_c = {},
+    lualine_x = {},
+    lualine_y = {},
+    lualine_z = {},
+  },
+  inactive_sections = {
+    lualine_a = {},
+    lualine_b = {},
+    lualine_c = {},
+    lualine_x = {},
+    lualine_y = {},
+    lualine_z = {},
+  },
+  tabline = {},
+  extensions = {},
+}
+
+styles.default = {
+  style = "default",
+  options = {
+    icons_enabled = true,
+    component_separators = { "", "" },
+    section_separators = { "", "" },
+    disabled_filetypes = {},
+  },
+  sections = {
+    lualine_a = { "mode" },
+    lualine_b = { "branch" },
+    lualine_c = { "filename" },
+    lualine_x = { "encoding", "fileformat", "filetype" },
+    lualine_y = { "progress" },
+    lualine_z = { "location" },
+  },
+  inactive_sections = {
+    lualine_a = {},
+    lualine_b = {},
+    lualine_c = { "filename" },
+    lualine_x = { "location" },
+    lualine_y = {},
+    lualine_z = {},
+  },
+  tabline = {},
+  extensions = {},
+}
+
+styles.lvim = {
+  style = "lvim",
+  options = {
+    icons_enabled = true,
+    component_separators = "",
+    section_separators = "",
+    disabled_filetypes = { "dashboard", "" },
+  },
+  sections = {
+    lualine_a = {
+      components.vi_mode,
+    },
+    lualine_b = {
+      components.branch,
+    },
+    lualine_c = {
+      components.diff,
+      components.python_env,
+    },
+    lualine_x = {
+      components.diagnostics,
+      components.treesitter,
+      components.lsp,
+      -- components.location,
+      -- components.progress,
+      -- components.spaces,
+      -- components.encoding,
+      components.filetype,
+    },
+    lualine_y = {
+      -- components.filetype,
+    },
+    lualine_z = {
+      components.scrollbar,
+    },
+  },
+  inactive_sections = {
+    lualine_a = {
+      "filename",
+    },
+    lualine_b = {},
+    lualine_c = {},
+    lualine_x = {},
+    lualine_y = {},
+    lualine_z = {},
+  },
+  tabline = {},
+  extensions = { "nvim-tree" },
+}
+
+function M.get_style(style)
+  local style_keys = vim.tbl_keys(styles)
+  if not vim.tbl_contains(style_keys, style) then
+    local Log = require "core.log"
+    local logger = Log:get_default()
+    logger.error(
+      "Invalid lualine style",
+      string.format('"%s"', style),
+      "options are: ",
+      string.format('"%s"', table.concat(style_keys, '", "'))
+    )
+    logger.info '"lvim" style is applied.'
+    style = "lvim"
+  end
+
+  return vim.deepcopy(styles[style])
+end
+
+function M.update()
+  local config = lvim.builtin.lualine
+  local style = M.get_style(config.style)
+
+  lvim.builtin.lualine = {
+    active = true,
+    style = style.style,
+    options = {
+      icons_enabled = config.options.icons_enabled or style.options.icons_enabled,
+      component_separators = config.options.component_separators or style.options.component_separators,
+      section_separators = config.options.section_separators or style.options.section_separators,
+      theme = config.options.theme or lvim.colorscheme or "auto",
+      disabled_filetypes = config.options.disabled_filetypes or style.options.disabled_filetypes,
+    },
+    sections = {
+      lualine_a = config.sections.lualine_a or style.sections.lualine_a,
+      lualine_b = config.sections.lualine_b or style.sections.lualine_b,
+      lualine_c = config.sections.lualine_c or style.sections.lualine_c,
+      lualine_x = config.sections.lualine_x or style.sections.lualine_x,
+      lualine_y = config.sections.lualine_y or style.sections.lualine_y,
+      lualine_z = config.sections.lualine_z or style.sections.lualine_z,
+    },
+    inactive_sections = {
+      lualine_a = config.inactive_sections.lualine_a or style.inactive_sections.lualine_a,
+      lualine_b = config.inactive_sections.lualine_b or style.inactive_sections.lualine_b,
+      lualine_c = config.inactive_sections.lualine_c or style.inactive_sections.lualine_c,
+      lualine_x = config.inactive_sections.lualine_x or style.inactive_sections.lualine_x,
+      lualine_y = config.inactive_sections.lualine_y or style.inactive_sections.lualine_y,
+      lualine_z = config.inactive_sections.lualine_z or style.inactive_sections.lualine_z,
+    },
+    tabline = config.tabline or style.tabline,
+    extensions = config.extensions or style.extensions,
+    on_config_done = config.on_config_done,
+  }
+end
+
+return M
diff --git a/lua/core/lualine/utils.lua b/lua/core/lualine/utils.lua
new file mode 100644
index 00000000..f2f29592
--- /dev/null
+++ b/lua/core/lualine/utils.lua
@@ -0,0 +1,24 @@
+local M = {}
+
+function M.validate_theme()
+  local theme = lvim.builtin.lualine.options.theme
+
+  local lualine_loader = require "lualine.utils.loader"
+  local ok = pcall(lualine_loader.load_theme, theme)
+  if not ok then
+    lvim.builtin.lualine.options.theme = "auto"
+  end
+end
+
+function M.env_cleanup(venv)
+  if string.find(venv, "/") then
+    local final_venv = venv
+    for w in venv:gmatch "([^/]+)" do
+      final_venv = w
+    end
+    venv = final_venv
+  end
+  return venv
+end
+
+return M