nvim/lua/general.lua

-- load lsp and dependencies
require("mason").setup()
require("mason-lspconfig").setup({
    ensure_installed = {
        "bashls",
        "pyright",
        "pylsp",
        --"pyre",
        "perlnavigator",
        "salt_ls",
        "dockerls",
        "kotlin_language_server",
        "intelephense",
        "eslint",
        "tsserver",
        "cssls",
        "cssmodules_ls",
        "diagnosticls",
        "jsonls",
        "sumneko_lua",
        "sqlls",
        "yamlls",
        "lemminx"
    }
})

-- setup minimap
local codewindow = require('codewindow')
codewindow.setup({
    minimap_width = 20, -- The width of the text part of the minimap
    width_multiplier = 4, -- How many characters one dot represents
    use_lsp = true, -- Use the builtin LSP to show errors and warnings
    use_treesitter = true, -- Use nvim-treesitter to highlight the code
    show_cursor = true,
    exclude_filetypes = {}, -- Choose certain filetypes to not show minimap on
    z_index = 1, -- The z-index the floating window will be on
    })
codewindow.apply_default_keybinds()


-- Set up nvim-cmp.
local cmp = require'cmp'

cmp.setup({
    window = {
      -- completion = cmp.config.window.bordered(),
      -- documentation = cmp.config.window.bordered(),
    },
    mapping = cmp.mapping.preset.insert({
      ['<C-b>'] = cmp.mapping.scroll_docs(-4),
      ['<C-f>'] = cmp.mapping.scroll_docs(4),
      ['<C-Space>'] = cmp.mapping.complete(),
      ['<C-e>'] = cmp.mapping.abort(),
      ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
    }),
    sources = cmp.config.sources({
      { name = 'nvim_lsp' },
      { name = 'vsnip' }, -- For vsnip users.
      -- { name = 'luasnip' }, -- For luasnip users.
      -- { name = 'ultisnips' }, -- For ultisnips users.
      -- { name = 'snippy' }, -- For snippy users.
    }, {
      { name = 'buffer' },
    })
})

-- Set configuration for specific filetype.
cmp.setup.filetype('gitcommit', {
sources = cmp.config.sources({
  { name = 'cmp_git' }, -- You can specify the `cmp_git` source if you were installed it.
}, {
  { name = 'buffer' },
})
})

-- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline({ '/', '?' }, {
    mapping = cmp.mapping.preset.cmdline(),
    sources = {
      { name = 'buffer' }
    }
})

-- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline(':', {
    mapping = cmp.mapping.preset.cmdline(),
    sources = cmp.config.sources({
          { name = 'path' }
        }, {
          { name = 'cmdline' }
        })
})


require("nvim-tree").setup({
    create_in_closed_folder = true,
    hijack_cursor = true,
    open_on_setup = true,
    open_on_setup_file = true,
    sync_root_with_cwd = true,
    view = {
      adaptive_size = true,
    },
    renderer = {
      full_name = true,
      group_empty = true,
      special_files = {},
      symlink_destination = false,
      indent_markers = {
        enable = true,
      },
      icons = {
        git_placement = "signcolumn",
        show = {
          file = true,
          folder = true,
          folder_arrow = true,
          git = true,
        },
      },
    },
    update_focused_file = {
      enable = true,
      update_root = true,
      ignore_list = { "help" },
    },
    diagnostics = {
      enable = true,
      show_on_dirs = true,
    },
    filters = {
      custom = {
        "^.git$",
        "^.mypy_cache$",
      },
    },
    actions = {
      change_dir = {
        enable = false,
        restrict_above_cwd = true,
      },
      open_file = {
        resize_window = true,
      },
      remove_file = {
        close_window = false,
      },
    },
    log = {
      enable = false,
      truncate = true,
      types = {
        all = false,
        config = false,
        copy_paste = false,
        diagnostics = false,
        git = false,
        profile = false,
        watcher = false,
      },
    },
  })

--Gruvbox theme settings
-- setup must be called before loading the colorscheme
require("gruvbox").setup({
  undercurl = true,
  underline = true,
  bold = true,
  italic = false, -- default=true
  strikethrough = true,
  invert_selection = false,
  invert_signs = false,
  invert_tabline = false,
  invert_intend_guides = false,
  inverse = true, -- invert background for search, diffs, statuslines and errors
  contrast = "hard", -- can be "hard", "soft" or empty string
  palette_overrides = {},
  overrides = {},
  dim_inactive = true, -- default=false
  transparent_mode = false,
})

 require('bufferline').setup {
        options = {
            mode = "buffers", -- set to "tabs" to only show tabpages instead
            numbers = "buffer_id",
            close_command = "bdelete! %d",       -- can be a string | function, see "Mouse actions"
            right_mouse_command = "bdelete! %d", -- can be a string | function, see "Mouse actions"
            left_mouse_command = "buffer %d",    -- can be a string | function, see "Mouse actions"
            middle_mouse_command = nil,          -- can be a string | function, see "Mouse actions"
            indicator = {
                icon = '>', -- this should be omitted if indicator style is not 'icon'
                style = 'icon',
            },
            buffer_close_icon = '',
            modified_icon = '●',
            close_icon = '',
            left_trunc_marker = '',
            right_trunc_marker = '',
            --- name_formatter can be used to change the buffer's label in the bufferline.
            --- Please note some names can/will break the
            --- bufferline so use this at your discretion knowing that it has
            --- some limitations that will *NOT* be fixed.
            name_formatter = function(buf)  -- buf contains:
                  -- name                | str        | the basename of the active file
                  -- path                | str        | the full path of the active file
                  -- bufnr (buffer only) | int        | the number of the active buffer
                  -- buffers (tabs only) | table(int) | the numbers of the buffers in the tab
                  -- tabnr (tabs only)   | int        | the "handle" of the tab, can be converted to its ordinal number using: `vim.api.nvim_tabpage_get_number(buf.tabnr)`
            end,
            max_name_length = 18,
            max_prefix_length = 15, -- prefix used when a buffer is de-duplicated
            truncate_names = true, -- whether or not tab names should be truncated
            tab_size = 18,
            diagnostics = "coc",
            diagnostics_update_in_insert = false,
            -- The diagnostics indicator can be set to nil to keep the buffer name highlight but delete the highlighting
            color_icons = true, -- whether or not to add the filetype icon highlights
            show_buffer_icons = true, -- disable filetype icons for buffers
            show_buffer_close_icons = true,
            show_buffer_default_icon = true, -- whether or not an unrecognised filetype should show a default icon
            show_close_icon = false,
            show_tab_indicators = true,
            show_duplicate_prefix = true, -- whether to show duplicate buffer prefix
            persist_buffer_sort = true, -- whether or not custom sorted buffers should persist
            -- can also be a table containing 2 custom separators
            -- [focused and unfocused]. eg: { '|', '|' }
            separator_style = "thick",
            enforce_regular_tabs = false,
            always_show_bufferline = true,
            hover = {
                enabled = true,
                delay = 200,
                reveal = {'close'}
            },
            sort_by = 'tabs'
        }
    }