73 lines
2.0 KiB
Lua
73 lines
2.0 KiB
Lua
local M = {}
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M.hovered_hl_ns = vim.api.nvim_create_namespace('hovered_item')
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function M.clear_hover_highlight(bufnr)
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vim.api.nvim_buf_clear_namespace(bufnr, M.hovered_hl_ns, 0, -1)
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end
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function M.add_hover_highlight(bufnr, line, col_start)
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vim.api.nvim_buf_add_highlight(bufnr, M.hovered_hl_ns, 'OutlineCurrent', line, col_start, -1)
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end
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local get_hl_by_name
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if vim.fn.has('nvim-0.9') == 1 then
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get_hl_by_name = function(name)
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local hl = vim.api.nvim_get_hl(0, { name = name, link = false })
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return { fg = hl.fg, bg = hl.bg, ctermfg = hl.ctermfg, ctermbg = hl.ctermbg }
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end
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else
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get_hl_by_name = function(name)
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---@diagnostic disable-next-line undefined-field
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local hlrgb = vim.api.nvim_get_hl_by_name(name, true)
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---@diagnostic disable-next-line undefined-field
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local hl = vim.api.nvim_get_hl_by_name(name, false)
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return {
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fg = hlrgb.foreground,
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bg = hlrgb.background,
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ctermfg = hl.foreground,
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ctermbg = hl.background,
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}
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end
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end
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function M.setup_highlights()
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-- Setup the OutlineCurrent highlight group if it hasn't been done already by
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-- a theme or manually set
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if vim.fn.hlexists('OutlineCurrent') == 0 then
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local cline_hl = get_hl_by_name('CursorLine')
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local string_hl = get_hl_by_name('String')
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vim.api.nvim_set_hl(
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0,
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'OutlineCurrent',
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{
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bg = cline_hl.bg,
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fg = string_hl.fg,
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ctermbg = cline_hl.ctermbg,
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ctermfg = string_hl.ctermfg,
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}
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)
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end
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-- Only inherit fg and bg for OutlineGuides because we do not want the other
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-- stylings messing up the alignment.
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if vim.fn.hlexists('OutlineGuides') == 0 then
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vim.api.nvim_set_hl(0, 'OutlineGuides', get_hl_by_name('Comment'))
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end
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for name, link in pairs({
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Details = 'Comment',
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Lineno = 'LineNr',
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JumpHighlight = 'Visual',
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FoldMarker = 'Normal',
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}) do
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if vim.fn.hlexists('Outline' .. name) == 0 then
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vim.api.nvim_set_hl(0, 'Outline' .. name, { link = link })
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end
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end
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end
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return M
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