40 lines
1.3 KiB
Lua
40 lines
1.3 KiB
Lua
local M = {}
|
|
|
|
M.hovered_hl_ns = vim.api.nvim_create_namespace('hovered_item')
|
|
|
|
function M.clear_hover_highlight(bufnr)
|
|
vim.api.nvim_buf_clear_namespace(bufnr, M.hovered_hl_ns, 0, -1)
|
|
end
|
|
|
|
function M.add_hover_highlight(bufnr, line, col_start)
|
|
vim.api.nvim_buf_add_highlight(bufnr, M.hovered_hl_ns, 'OutlineCurrent', line, col_start, -1)
|
|
end
|
|
|
|
function M.setup_highlights()
|
|
-- Setup the OutlineCurrent highlight group if it hasn't been done already by
|
|
-- a theme or manually set
|
|
if vim.fn.hlexists('OutlineCurrent') == 0 then
|
|
-- TODO: Use nvim_get_hl
|
|
local cline_hl = vim.api.nvim_get_hl_by_name('CursorLine', true)
|
|
local string_hl = vim.api.nvim_get_hl_by_name('String', true)
|
|
|
|
vim.api.nvim_set_hl(
|
|
0,
|
|
'OutlineCurrent',
|
|
{ bg = cline_hl.background, fg = string_hl.foreground }
|
|
)
|
|
end
|
|
|
|
-- Some colorschemes do some funky things with the comment highlight, most
|
|
-- notably making them italic, which messes up the outline connector. Fix
|
|
-- this by copying the foreground color from the comment hl into a new
|
|
-- highlight.
|
|
local comment_fg_gui = vim.fn.synIDattr(vim.fn.synIDtrans(vim.fn.hlID('Comment')), 'fg', 'gui')
|
|
|
|
if vim.fn.hlexists('OutlineGuides') == 0 then
|
|
vim.cmd(string.format('hi OutlineGuides guifg=%s', comment_fg_gui))
|
|
end
|
|
end
|
|
|
|
return M
|