vim/lualine: make plugin config self-contained

config/nvim/lua/fschauen/lualine.lua

@@ -1,151 +0,0 @@
-local M = {}
-
--- filename component
-
-M.filename = require('lualine.component'):extend()
-
-function M.filename:init(options)
-  M.filename.super.init(self, options)
-
-  local color = options.color or {}
-  local modified = { gui = 'italic' }
-
-  self.custom_highlights = {   -- [is_focused, modified]
-    [true] = {
-      [true]  = self:create_hl(vim.tbl_extend('force', color, modified), 'focus_modified'),
-      [false] = self:create_hl(color, 'focus'),
-    },
-    [false] = {
-      [true]  = self:create_hl(modified, 'nofocus_modified'),
-      [false] = self:create_hl({}, 'nofocus'),
-    },
-  }
-end
-
-function M.filename:update_status(is_focused)
-  self.options.color_highlight = self.custom_highlights[is_focused][vim.bo.modified]
-
-  local window = require 'fschauen.window'
-  local path = vim.fn.expand('%:~:.')
-
-  if window.is_wide() then
-    return path
-  elseif window.is_medium() then
-    return vim.fn.pathshorten(path)         -- only first letter of directories
-  else
-    return vim.fn.fnamemodify(path, ':t')   -- only tail
-  end
-end
-
--- mode component
-
-M.mode = require('lualine.component'):extend()
-
-M.mode.map = {
-  ['n']  = '', -- 'Normal ', -- Normal
-  ['no'] = '', -- 'O-Pend ', -- Operator-pending
-  ['ni'] = '', -- 'Normal ', -- Normal via i_CTRL-O
-  ['v']  = '󰒉', -- 'Visual ', -- Visual by character
-  [''] = '󰩭', -- 'V-Block', -- Visual blockwise
-  ['s']  = '󰒉', -- 'Select ', -- Select by character
-  [''] = '󰩭', -- 'S-Block', -- Select blockwise
-  ['i']  = '', -- 'Insert ', -- Insert
-  ['r']  = '󰄾', -- 'Replace', -- Replace
-  ['rv'] = '󰶻', -- 'V-Repl ', -- Virtual Replace
-  ['c']  = '', -- 'Command', -- Command-line
-  ['cv'] = '', -- '  Ex   ', -- Ex mode
-  ['rm'] = '', -- ' modeore  ', -- -- modeORE --
-  ['r?'] = '󰭚', -- 'Confirm', -- :confirm
-  ['!']  = '', -- ' Shell ', -- External command executing
-  ['t']  = '', -- ' Term  ', -- Terminal
-}
-
-function M.mode:update_status(is_focused)
-  if is_focused then
-    local code = vim.api.nvim_get_mode().mode:lower()
-    local symbol = M.mode.map[code:sub(1, 2)] or M.mode.map[code:sub(1, 1)] or code
-    return ' ' .. symbol .. ' '
-  end
-
-  return ' 󰒲 '
-end
-
--- searchcount component
-
-M.searchcount = require('lualine.component'):extend()
-
-function M.searchcount:init(options)
-  M.searchcount.super.init(self, options)
-  self.options = vim.tbl_extend('keep', self.options or {}, {
-    maxcount = 999,
-    timeout = 250,
-  })
-end
-
-function M.searchcount:update_status()
-  if vim.v.hlsearch == 0 then
-    return ''
-  end
-
-  local count = vim.fn.searchcount {
-    maxcount = self.options.maxcount,
-    timeout = self.options.timeout
-  }
-  if next(count) == nil then
-    return ''
-  end
-
-  local denominator = count.total > count.maxcount and '' or string.format('%d', count.total)
-  return string.format(' %d/%s', count.current, denominator)
-end
-
--- trailing_whitespace component
-
-M.trailing_whitespace = function()
-  local pattern = [[\s\+$]]
-  local lineno = vim.fn.search(pattern, 'nwc')
-  if lineno == 0 then
-    return ''
-  end
-
-  local result = '·' .. lineno
-
-  local info = vim.fn.searchcount { pattern = pattern }
-  if info.total then
-    result = result .. string.format(' Σ%d', info.total)
-  end
-
-  return result
-end
-
--- modifier to color component when window is in focus
-
-M.colored_if_focused = function(component)
-  if type(component) == 'string' then
-    local c = require('lualine.components.' .. component):extend()
-
-    function c:update_status(is_focused)
-      self.options.colored = is_focused
-      return c.super.update_status(self, is_focused)
-    end
-
-    return c
-  elseif type(component) == 'function' then
-    local c = require('lualine.component'):extend()
-
-    function c:init(options)
-      c.super.init(self, options)
-      self.saved_hl = self.options.color_highlight
-    end
-
-    function c:update_status(is_focused)
-      self.options.color_highlight = is_focused and self.saved_hl or nil
-      return component(is_focused)
-    end
-
-    return c
-  end
-end
-
-return M
-

config/nvim/lua/fschauen/plugins/lualine.lua

@@ -9,76 +9,191 @@ M.dependencies = {
 
 M.config = function()
   local window = require 'fschauen.window'
-  local colored_if_focused = require('fschauen.lualine').colored_if_focused
 
-  -- custom components
+  local filename = (function()
-  local C = {
+    local C = require('lualine.component'):extend()
-    diagnostics = {
+
-      colored_if_focused('diagnostics'),
+    function C:init(options)
-    },
+      C.super.init(self, options)
-    diff = {
+
-      colored_if_focused('diff'),
+      local color = options.color or {}
-      symbols = {
+      local modified = { gui = 'italic' }
-        added = '',
+
-        modified = '',
+      self.custom_highlights = {   -- [is_focused, modified]
-        removed = '',
+        [true] = {
-      },
+          [true]  = self:create_hl(vim.tbl_extend('force', color, modified), 'focus_modified'),
-    },
+          [false] = self:create_hl(color, 'focus'),
-    branch = {
+        },
-      'branch',
+        [false] = {
-      icon = '󰘬',
+          [true]  = self:create_hl(modified, 'nofocus_modified'),
-      cond = window.is_medium,
+          [false] = self:create_hl({}, 'nofocus'),
-    },
+        },
-    fileformat = {
+      }
-      'fileformat',
+    end
-      cond = window.is_medium,
+
-    },
+    function C:update_status(is_focused)
-    filename = {
+      self.options.color_highlight = self.custom_highlights[is_focused][vim.bo.modified]
-      require('fschauen.lualine').filename,
+
-      padding = {
+      local path = vim.fn.expand('%:~:.')
-        left = 1,
+
-        right = 0,
+      if window.is_wide() then
-      },
+        return path
-    },
+      elseif window.is_medium() then
-    filetype = {
+        return vim.fn.pathshorten(path)         -- only first letter of directories
-      colored_if_focused('filetype'),
+      else
-      cond = window.is_medium,
+        return vim.fn.fnamemodify(path, ':t')   -- only tail
-    },
+      end
-    mode = require('fschauen.lualine').mode,
+    end
-    paste = {
+
-      colored_if_focused(function(has_focus) return has_focus and '' or ' ' end),
+    return C
-      color = {
+  end)()
-        bg = orange,
+
-      },
+  local mode = (function()
-      cond = function() return vim.o.paste end
+    local C = require('lualine.component'):extend()
-    },
+
-    searchcount = require('fschauen.lualine').searchcount,
+    C.map = {
-    status = {
+      ['n']  = '', -- 'Normal ', -- Normal
-      colored_if_focused(function(_)
+      ['no'] = '', -- 'O-Pend ', -- Operator-pending
-        local status = ''
+      ['ni'] = '', -- 'Normal ', -- Normal via i_CTRL-O
-        if vim.bo.modified then status = status .. '' end
+      ['v']  = '󰒉', -- 'Visual ', -- Visual by character
-        if vim.bo.readonly or not vim.bo.modifiable then status = status .. 'RO' end
+      [''] = '󰩭', -- 'V-Block', -- Visual blockwise
-        return status
+      ['s']  = '󰒉', -- 'Select ', -- Select by character
-      end),
+      [''] = '󰩭', -- 'S-Block', -- Select blockwise
-      color = {
+      ['i']  = '', -- 'Insert ', -- Insert
-        fg = bright,
+      ['r']  = '󰄾', -- 'Replace', -- Replace
-      },
+      ['rv'] = '󰶻', -- 'V-Repl ', -- Virtual Replace
-    },
+      ['c']  = '', -- 'Command', -- Command-line
-    trailing_whitespace = {
+      ['cv'] = '', -- '  Ex   ', -- Ex mode
-      colored_if_focused(require('fschauen.lualine').trailing_whitespace),
+      ['rm'] = '', -- ' modeore  ', -- -- modeORE --
-      color = {
+      ['r?'] = '󰭚', -- 'Confirm', -- :confirm
-        bg = orange,
+      ['!']  = '', -- ' Shell ', -- External command executing
-      },
+      ['t']  = '', -- ' Term  ', -- Terminal
     }
+
+    function C:update_status(is_focused)
+      if not is_focused then return ' 󰒲 ' end
+
+      local code = vim.api.nvim_get_mode().mode:lower()
+      local symbol = C.map[code:sub(1, 2)] or C.map[code:sub(1, 1)] or code
+      return ' ' .. symbol .. ' '
+    end
+
+    return C
+  end)()
+
+  local searchcount = (function()
+    local C = require('lualine.component'):extend()
+
+    function C:init(options)
+      C.super.init(self, options)
+      self.options = vim.tbl_extend('keep', self.options or {}, {
+        maxcount = 999,
+        timeout = 250,
+      })
+    end
+
+    function C:update_status()
+      if vim.v.hlsearch == 0 then return '' end
+
+      local count = vim.fn.searchcount {
+        maxcount = self.options.maxcount,
+        timeout = self.options.timeout
+      }
+      if next(count) == nil then return '' end
+
+      local denominator = count.total > count.maxcount and '' or string.format('%d', count.total)
+      return string.format(' %d/%s', count.current, denominator)
+    end
+
+    return C
+  end)()
+
+  local trailing_whitespace = function()
+    local trailing = [[\s\+$]]
+    local lineno = vim.fn.search(trailing, 'nwc')
+    if lineno == 0 then return '' end
+
+    local result = ' ' .. lineno
+
+    local total = vim.fn.searchcount({ pattern = trailing }).total
+    if total > 1 then result = result .. string.format(' (%d total)', total) end
+
+    return result
+  end
+
+  local colored_if_focused = function(component)
+    if type(component) == 'string' then
+      local C = require('lualine.components.' .. component):extend()
+
+      function C:update_status(is_focused)
+        self.options.colored = is_focused
+        return C.super.update_status(self, is_focused)
+      end
+
+      return C
+
+    elseif type(component) == 'function' then
+      local C = require('lualine.component'):extend()
+
+      function C:init(options)
+        C.super.init(self, options)
+        self.saved_hl = self.options.color_highlight
+      end
+
+      function C:update_status(is_focused)
+        self.options.color_highlight = is_focused and self.saved_hl or nil
+        return component(is_focused)
+      end
+
+      return C
+    end
+  end
+
+  local paste = {
+    colored_if_focused(function(has_focus) return has_focus and '' or ' ' end),
+    color = {
+      bg = orange,
+    },
+    cond = function() return vim.o.paste end
+  }
+
+  local status = {
+    colored_if_focused(function(_)
+      local status = ''
+      if vim.bo.modified then status = status .. '' end
+      if vim.bo.readonly or not vim.bo.modifiable then status = status .. 'RO' end
+      return status
+    end),
+    color = {
+      fg = bright,
+    },
   }
 
   local sections = {
-    lualine_a = { C.paste, C.mode },
+    lualine_a = {
-    lualine_b = { C.branch },
+      paste,
-    lualine_c = { C.filename, C.status },
+      mode
-    lualine_x = { C.diagnostics, C.searchcount, C.filetype },
+    },
-    lualine_y = { C.fileformat, 'progress' },
+    lualine_b = {
-    lualine_z = { 'location', C.trailing_whitespace },
+      { 'branch', icon = '󰘬', cond = window.is_medium },
+    },
+    lualine_c = {
+      filename,
+      status,
+    },
+    lualine_x = {
+      colored_if_focused('diagnostics'),
+      searchcount,
+      { colored_if_focused('filetype'), cond = window.is_medium },
+    },
+    lualine_y = {
+      { 'fileformat', cond = window.is_medium },
+      'progress',
+    },
+    lualine_z = {
+      'location',
+      { colored_if_focused(trailing_whitespace), color = { bg = orange } },
+    },
   }
 
   require('lualine').setup {