nvim-config/lua/plugins/bufferline.lua

104 lines
4.8 KiB
Lua

-- The following option is required for bufferline to work correctly (already activated in lua/core/color.lua)
-- vim.opt.termguicolors = true
local bufferline = require('bufferline')
bufferline.setup {
options = {
mode = "buffers", -- set to "tabs" to only show tabpages instead
style_preset = bufferline.style_preset.default, -- or bufferline.style_preset.minimal,
themable = true, -- allows highlight groups to be overriden i.e. sets highlights as default
numbers = "ordinal",
close_command = "bdelete! %d", -- can be a string | function, | false see "Mouse actions"
right_mouse_command = "bdelete! %d", -- can be a string | function | false, see "Mouse actions"
left_mouse_command = "buffer %d", -- can be a string | function, | false see "Mouse actions"
middle_mouse_command = nil, -- can be a string | function, | false 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 = 15,
max_prefix_length = 6, -- prefix used when a buffer is de-duplicated
truncate_names = true, -- whether or not tab names should be truncated
tab_size = 15,
diagnostics = false,
diagnostics_update_in_insert = false,
-- The diagnostics indicator can be set to nil to keep the buffer name highlight but delete the highlighting
diagnostics_indicator = function(count, level, diagnostics_dict, context)
return "(" .. count .. ")"
end,
-- NOTE: this will be called a lot so don't do any heavy processing here
custom_filter = function(buf_number, buf_numbers)
-- filter out filetypes you don't want to see
if vim.bo[buf_number].filetype ~= "<i-dont-want-to-see-this>" then
return true
end
-- filter out by buffer name
if vim.fn.bufname(buf_number) ~= "<buffer-name-I-dont-want>" then
return true
end
-- filter out based on arbitrary rules
-- e.g. filter out vim wiki buffer from tabline in your work repo
if vim.fn.getcwd() == "<work-repo>" and vim.bo[buf_number].filetype ~= "wiki" then
return true
end
-- filter out by it's index number in list (don't show first buffer)
if buf_numbers[1] ~= buf_number then
return true
end
end,
offsets = {
{
filetype = "neo-tree",
text = "File Tree",
text_align = "center",
separator = false
}
},
color_icons = true, -- whether or not to add the filetype icon highlights
get_element_icon = function(element)
-- element consists of {filetype: string, path: string, extension: string, directory: string}
-- This can be used to change how bufferline fetches the icon
-- for an element e.g. a buffer or a tab.
-- e.g.
local icon, hl = require('nvim-web-devicons').get_icon_by_filetype(element.filetype, { default = false })
return icon, hl
-- or
-- local custom_map = {my_thing_ft: {icon = "my_thing_icon", hl}}
-- return custom_map[element.filetype]
end,
show_buffer_icons = true, -- disable filetype icons for buffers
show_buffer_close_icons = false,
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
move_wraps_at_ends = false, -- whether or not the move command "wraps" at the first or last position
-- can also be a table containing 2 custom separators
-- [focused and unfocused]. eg: { '|', '|' }
separator_style = "thin",
enforce_regular_tabs = false,
always_show_bufferline = true,
hover = {
enabled = true,
delay = 200,
reveal = { 'close' }
},
sort_by = 'insert_after_current'
}
}