feat: add transparent cursorline option. Fixes #113

Author: rachartier

README.md

@@ -56,6 +56,7 @@ require("tiny-inline-diagnostic").setup({
     preset = "modern",
 
     transparent_bg = false, -- Set the background of the diagnostic to transparent
+    transparent_cursorline = false, -- Set the background of the cursorline to transparent (only one the first diagnostic)
 
     hi = {
         error = "DiagnosticError", -- Highlight group for error messages

lua/tiny-inline-diagnostic/highlights.lua

@@ -153,7 +153,7 @@ end
 
 ---@param blend BlendOptions
 ---@param default_hi DefaultHighlights
-function M.setup_highlights(blend, default_hi, transparent)
+function M.setup_highlights(blend, default_hi, transparent_bg, transparent_cursorline)
 	-- Get base colors
 	local colors = {
 		error = get_highlight(default_hi.error),
@@ -162,15 +162,15 @@ function M.setup_highlights(blend, default_hi, transparent)
 		hint = get_highlight(default_hi.hint),
 		ok = get_highlight(default_hi.ok),
 		arrow = get_highlight(default_hi.arrow),
-		cursor_line = get_highlight("CursorLine"),
+		cursor_line = transparent_cursorline and { bg = "None" } or get_highlight("CursorLine"),
 	}
 
-	if not transparent then
-		transparent = false
+	if not transparent_bg then
+		transparent_bg = false
 	end
 
 	if blend.factor == 0 then
-		transparent = true
+		transparent_bg = true
 	end
 
 	-- Get special colors
@@ -187,7 +187,7 @@ function M.setup_highlights(blend, default_hi, transparent)
 	}
 
 	-- Create highlight groups
-	local hi = create_highlight_groups(colors, blends, transparent)
+	local hi = create_highlight_groups(colors, blends, transparent_bg)
 
 	create_mixed_highlights(hi)
 

lua/tiny-inline-diagnostic/init.lua

@@ -13,6 +13,7 @@ local presets = require("tiny-inline-diagnostic.presets")
 local default_config = {
 	preset = "modern",
 	transparent_bg = false,
+	transparent_cursorline = true,
 	hi = {
 		error = "DiagnosticError",
 		warn = "DiagnosticWarn",
@@ -65,7 +66,7 @@ local function setup_colorscheme_handler(config)
 	vim.api.nvim_create_autocmd("ColorScheme", {
 		pattern = "*",
 		callback = function()
-			hi.setup_highlights(config.blend, config.hi, config.transparent_bg)
+			hi.setup_highlights(config.blend, config.hi, config.transparent_bg, config.transparent_cursorline)
 		end,
 	})
 end
@@ -103,7 +104,7 @@ function M.setup(opts)
 
 	M.config = config
 
-	hi.setup_highlights(config.blend, config.hi, config.transparent_bg)
+	hi.setup_highlights(config.blend, config.hi, config.transparent_bg, config.transparent_cursorline)
 
 	setup_colorscheme_handler(config)
 	diag.set_diagnostic_autocmds(config)
@@ -123,7 +124,7 @@ function M.change(blend, highlights)
 		hi = highlights or M.config.hi,
 	})
 
-	hi.setup_highlights(config.blend, config.hi, config.transparent_bg)
+	hi.setup_highlights(config.blend, config.hi, config.transparent_bg, config.transparent_cursorline)
 end
 
 --- Enable the diagnostic display.