[NeoVim] Bufferline, Statusline, Scrollbar 구성

-- [[ lua/plugins/barbar.lua ]]

require('lazy').setup {
  {'romgrk/barbar.nvim',
    dependencies = {
      'lewis6991/gitsigns.nvim', -- OPTIONAL: for git status
      'nvim-tree/nvim-web-devicons', -- OPTIONAL: for file icons
    },
    init = function() vim.g.barbar_auto_setup = false end,
    opts = {
      -- lazy.nvim will automatically call setup for you. put your options here, anything missing will use the default:
      -- animation = true,
      -- insert_at_start = true,
      -- …etc.
    },
    version = '^1.0.0', -- optional: only update when a new 1.x version is released
  },
}

return {
  'romgrk/barbar.nvim',
  dependencies = {
    'lewis6991/gitsigns.nvim', -- OPTIONAL: for git status
    'nvim-tree/nvim-web-devicons', -- OPTIONAL: for file icons
  },
  init = function() vim.g.barbar_auto_setup = false end,
  opts = {
    icons = {
      separator = { left = '│', right = '' },
      inactive = { separator = { left = '│', right = '' } },
    },

    -- Sets the maximum padding width with which to surround each tab
    maximum_padding = 1,

    -- Sets the minimum padding width with which to surround each tab
    minimum_padding = 1,

    -- Set the filetypes which barbar will offset itself for
    sidebar_filetypes = {
      ['neo-tree'] = { event = 'BufWipeout' },
    },
  },

  config = function(_, opts)
    -- 1. 먼저 setup 실행
    require('barbar').setup(opts)

    -- 2. 색상 덮어쓰기
    -- 색상 설정
    local colors = {
      bg = '#1f1f1f',
      fg = '#ffffff',
      blue = '#51afef',
      orange = '#FF8800',
      gray = '#5c6370',
    }

    -- 현재 버퍼 (활성)
    vim.api.nvim_set_hl(0, 'BufferCurrent', { fg = colors.fg, bg = colors.bg, bold = true })
    vim.api.nvim_set_hl(0, 'BufferCurrentMod', { fg = colors.orange, bg = colors.bg })

    -- 비활성 버퍼
    vim.api.nvim_set_hl(0, 'BufferInactive', { fg = colors.gray, bg = '#181818' })
    vim.api.nvim_set_hl(0, 'BufferInactiveMod', { fg = colors.orange, bg = '#181818' })

    -- 탭라인 배경
    vim.api.nvim_set_hl(0, 'BufferTabpageFill', { bg = '#181818' })

    -- 구분선
    vim.api.nvim_set_hl(0, 'BufferCurrentSign', { fg = colors.blue, bg = colors.bg })
    vim.api.nvim_set_hl(0, 'BufferInactiveSign', { fg = '#3e4452', bg = '#181818' })
  end,

  version = '^1.9.0', -- optional: only update when a new 1.x version is released
}

icons = {
  separator = { left = '│', right = '' },
  inactive = { separator = { left = '│', right = '' } },
}

maximum_padding = 1,
minimum_padding = 1,

sidebar_filetypes = {
  ['neo-tree'] = { event = 'BufWipeout' },
}

sidebar_filetypes = {
  NvimTree = true,
  undotree = { text = 'undotree' },
  Outline = { event = 'BufWinLeave', text = 'symbols-outline' },
}

local colors = {
  bg = '#1f1f1f',      -- 활성 버퍼 배경
  fg = '#ffffff',      -- 활성 버퍼 텍스트
  blue = '#51afef',    -- 구분선 강조색
  orange = '#FF8800',  -- 수정 상태 표시
  gray = '#5c6370',    -- 비활성 텍스트
}

-- 활성 버퍼
vim.api.nvim_set_hl(0, 'BufferCurrent', { fg = colors.fg, bg = colors.bg, bold = true })
vim.api.nvim_set_hl(0, 'BufferCurrentMod', { fg = colors.orange, bg = colors.bg })
vim.api.nvim_set_hl(0, 'BufferCurrentSign', { fg = colors.blue, bg = colors.bg })

-- 비활성 버퍼
vim.api.nvim_set_hl(0, 'BufferInactive', { fg = colors.gray, bg = '#181818' })
vim.api.nvim_set_hl(0, 'BufferInactiveMod', { fg = colors.orange, bg = '#181818' })
vim.api.nvim_set_hl(0, 'BufferInactiveSign', { fg = '#3e4452', bg = '#181818' })

-- 탭라인 배경
vim.api.nvim_set_hl(0, 'BufferTabpageFill', { bg = '#181818' })

{
    'nvim-lualine/lualine.nvim',
    dependencies = { 'nvim-tree/nvim-web-devicons' }
}

-- [[ lua/plugins/lualine.lua ]]

return {
  'nvim-lualine/lualine.nvim',
  dependencies = { 'nvim-tree/nvim-web-devicons' },

  config = function()
    -- Variable for small window settings
    local hide_in_width = function()
      return vim.fn.winwidth(0) > 100
    end

    -- Diagnostics: Not shown if small window
    local diagnostics = {
      'diagnostics',
      sources = { 'nvim_diagnostic' },
      always_visible = false,
      cond = hide_in_width,
    }

    -- Git diff icon settings: Not shown if small window
    local diff = {
      'diff',
      cond = hide_in_width,
    }

    require('lualine').setup {
      options = {
        disabled_filetypes = { 'alpha', 'neo-tree' },
      },
      sections = {
        lualine_a = {'mode'},
        lualine_b = {'branch', diff, diagnostics},
        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 = {},
      winbar = {},
      inactive_winbar = {},
      extensions = { 'fugitive' }
    }
  end,
}

sections = {
  lualine_a = {'mode'},
  lualine_b = {'branch', diff, diagnostics},
  lualine_c = {'filename'},
  lualine_x = {'encoding', 'fileformat', 'filetype'},
  lualine_y = {'progress'},
  lualine_z = {'location'}
},

options = {
  disabled_filetypes = { 'alpha', 'neo-tree' },
},