boltless.me
Expand your neovim sense with small UI components
chore: remove hlutils
author
Seongmin Lee
date
(Feb 19, 2025, 4:39 AM UTC)
commit
f4e80714
f4e80714691bc033b20e621689fcd366a1c6d9f6
parent
25c9be74
25c9be74fcffd638abece550742de1aff1ce7c55
+59
-74
+59
-17
lua/sense/highlights.lua
+59
-17
lua/sense/highlights.lua
···
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local hlutils = require("sense.utils.hlutils")
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local M = {}
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local M = {}
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local function dec_to_rgb(num)
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return {
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r = bit.rshift(num, 16),
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g = bit.band(bit.rshift(num, 8), 0xFF),
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b = bit.band(num, 0xFF),
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}
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end
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local function fill_bg(name)
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local hl = hlutils.read_hl(0, { name = name, link = false })
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assert(hl)
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assert(hl.fg)
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if not hl.bg then
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hl.bg = hlutils.tint(hl.fg, -0.8)
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local function rgb_to_dec(rgb)
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return bit.lshift(rgb.r, 16) + bit.lshift(rgb.g, 8) + rgb.b
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end
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---@param ns_id integer
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---@param opts vim.api.keyset.get_highlight
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local function read_hl(ns_id, opts)
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opts.link = false
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local hl = vim.api.nvim_get_hl(ns_id, opts)
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local rich_hl = {}
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if vim.tbl_isempty(hl) then
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return
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end
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return hl
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rich_hl.fg = hl.fg and dec_to_rgb(hl.fg)
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rich_hl.bg = hl.bg and dec_to_rgb(hl.bg)
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return rich_hl
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end
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---@param c table A hex color
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---@param percent number a negative number darkens and a positive one brightens
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local function tint(c, percent)
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if not c.r or not c.g or not c.b then
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return "NONE"
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end
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local blend = function(component)
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component = math.floor(component * (1 + percent))
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return math.min(math.max(component, 0), 255)
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end
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return {
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r = blend(c.r),
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g = blend(c.g),
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b = blend(c.b),
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}
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end
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local function set(name, from)
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local hl = read_hl(0, { name = from, link = false })
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if hl and hl.fg and not hl.bg then
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hl.bg = rgb_to_dec(tint(hl.fg, -0.8))
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hl.fg = hl.fg and rgb_to_dec(hl.fg)
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else
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hl = { link = from }
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end
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vim.api.nvim_set_hl(0, name, hl)
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end
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function M.setup()
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-- generate hl-groups based on existing colors
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hlutils.set_hl("SenseVirtualTextError", fill_bg("DiagnosticVirtualTextError"))
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hlutils.set_hl("SenseVirtualTextWarn", fill_bg("DiagnosticVirtualTextWarn"))
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hlutils.set_hl("SenseVirtualTextInfo", fill_bg("DiagnosticVirtualTextInfo"))
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hlutils.set_hl("SenseVirtualTextHint", fill_bg("DiagnosticVirtualTextHint"))
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hlutils.set_hl("SenseStatusColError", fill_bg("DiagnosticVirtualTextError"))
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hlutils.set_hl("SenseStatusColWarn", fill_bg("DiagnosticVirtualTextWarn"))
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hlutils.set_hl("SenseStatusColInfo", fill_bg("DiagnosticVirtualTextInfo"))
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hlutils.set_hl("SenseStatusColHint", fill_bg("DiagnosticVirtualTextHint"))
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set("SenseVirtualTextError", "DiagnosticVirtualTextError")
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set("SenseVirtualTextWarn", "DiagnosticVirtualTextWarn")
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set("SenseVirtualTextInfo", "DiagnosticVirtualTextInfo")
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set("SenseVirtualTextHint", "DiagnosticVirtualTextHint")
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set("SenseStatusColError", "DiagnosticVirtualTextError")
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set("SenseStatusColWarn", "DiagnosticVirtualTextWarn")
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set("SenseStatusColInfo", "DiagnosticVirtualTextInfo")
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set("SenseStatusColHint", "DiagnosticVirtualTextHint")
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end
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return M
-57
lua/sense/utils/hlutils.lua
-57
lua/sense/utils/hlutils.lua
···
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local bit = require("bit")
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local M = {}
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function M.dec_to_rgb(num)
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return {
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r = bit.rshift(num, 16),
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g = bit.band(bit.rshift(num, 8), 0xFF),
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b = bit.band(num, 0xFF),
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}
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end
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function M.rgb_to_dec(rgb)
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return bit.lshift(rgb.r, 16) + bit.lshift(rgb.g, 8) + rgb.b
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end
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---@param ns_id integer
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---@param opts vim.api.keyset.get_highlight
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function M.read_hl(ns_id, opts)
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local hl = vim.api.nvim_get_hl(ns_id, opts)
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local rich_hl = {}
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if vim.tbl_isempty(hl) then
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return nil
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end
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-- if hl.link then
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-- return M.read_hl(ns_id, { name = hl.link })
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-- end
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rich_hl.fg = hl.fg and M.dec_to_rgb(hl.fg)
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rich_hl.bg = hl.bg and M.dec_to_rgb(hl.bg)
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return rich_hl
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end
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---@param c table A hex color
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---@param percent number a negative number darkens and a positive one brightens
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function M.tint(c, percent)
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if not c.r or not c.g or not c.b then
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return "NONE"
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end
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local blend = function(component)
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component = math.floor(component * (1 + percent))
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return math.min(math.max(component, 0), 255)
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end
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return {
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r = blend(c.r),
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g = blend(c.g),
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b = blend(c.b),
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}
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end
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function M.set_hl(name, hl)
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vim.api.nvim_set_hl(0, name, {
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fg = M.rgb_to_dec(hl.fg),
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bg = M.rgb_to_dec(hl.bg),
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})
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end
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return M