From 3fc8d324fcb8956a3b827ad9d7401f9d1a648b9d Mon Sep 17 00:00:00 2001
From: Michael Chris Lopez <hello@michaelchris.space>
Date: Tue, 26 Oct 2021 17:10:17 +0800
Subject: [PATCH] configurable NonText contrast

---
 doc/zenbones.md              | 18 ++++++++++++++----
 lua/zenbones/specs/dark.lua  |  2 +-
 lua/zenbones/specs/init.lua  |  2 ++
 lua/zenbones/specs/light.lua |  2 +-
 4 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/doc/zenbones.md b/doc/zenbones.md
index 0941a89..1af7717 100644
--- a/doc/zenbones.md
+++ b/doc/zenbones.md
@@ -76,13 +76,23 @@ Default: `v:true`. Make comments italicize.
 
 #### g:zenbones_darken_comments
 
-Default: 38. Percentage to darken comments. Comments base their foreground color
-on the bg palette. See also |lush-color-darken|.
+Default: 38. Percentage to darken comments relative to Normal bg. See also
+|lush-color-darken|.
 
 #### g:zenflesh_lighten_comments
 
-Default: 38. Percentage to lighten comments. Comments base their foreground
-color on the bg palette. See also |lush-color-lighten|.
+Default: 38. Percentage to lighten comments relative to Normal bg. See also
+|lush-color-lighten|.
+
+#### g:zenbones_darken_non_text
+
+Default: 22. Percentage to darken |hl-NonText| relative to Normal bg. See also
+|lush-color-darken|.
+
+#### g:zenflesh_lighten_none_text
+
+Default: 26. Percentage to lighten |hl-NonText| relative to Normal bg. See also
+|lush-color-darken|.
 
 #### g:zenbones_compat
 
diff --git a/lua/zenbones/specs/dark.lua b/lua/zenbones/specs/dark.lua
index 0b03198..e8d2675 100644
--- a/lua/zenbones/specs/dark.lua
+++ b/lua/zenbones/specs/dark.lua
@@ -102,7 +102,7 @@ local function generate(p, opt)
 			Visual          { bg = p.fg.de(18).lightness(Normal.bg.l + 18) }, -- Visual mode selection
 			-- VisualNOS    { }, -- Visual mode selection when vim is "Not Owning the Selection".
 
-			NonText         { fg = Normal.bg.li(26) }, -- '@' at the end of the window, characters from 'showbreak' and other characters that do not really exist in the text (e.g., ">" displayed when a double-wide character doesn't fit at the end of the line). See also |hl-EndOfBuffer|.
+			NonText         { fg = Normal.bg.li(opt.lighten_non_text or 26) }, -- '@' at the end of the window, characters from 'showbreak' and other characters that do not really exist in the text (e.g., ">" displayed when a double-wide character doesn't fit at the end of the line). See also |hl-EndOfBuffer|.
 			SpecialKey      { NonText, gui = "italic" }, -- Unprintable characters: text displayed differently from what it really is.	But not 'listchars' whitespace. |hl-Whitespace|
 			Whitespace      { NonText }, -- "nbsp", "space", "tab" and "trail" in 'listchars'
 			EndOfBuffer     { NonText }, -- filler lines (~) after the end of the buffer.  By default, this is highlighted like |hl-NonText|.
diff --git a/lua/zenbones/specs/init.lua b/lua/zenbones/specs/init.lua
index 6ac22fc..c1c2ebc 100644
--- a/lua/zenbones/specs/init.lua
+++ b/lua/zenbones/specs/init.lua
@@ -19,6 +19,7 @@ function M.get_global_config(prefix, base_bg)
 			darken_noncurrent_window = vim.g[prefix .. "_darken_noncurrent_window"],
 			darken_comments = vim.g[prefix .. "_darken_comments"],
 			darken_line_nr = vim.g[prefix .. "_darken_line_nr"],
+			darken_non_text = vim.g[prefix .. "_darken_non_text"],
 		}, common)
 	else
 		return vim.tbl_extend("keep", {
@@ -26,6 +27,7 @@ function M.get_global_config(prefix, base_bg)
 			lighten_noncurrent_window = vim.g[prefix .. "_lighten_noncurrent_window"],
 			lighten_comments = vim.g[prefix .. "_lighten_comments"],
 			lighten_line_nr = vim.g[prefix .. "_lighten_line_nr"],
+			lighten_non_text = vim.g[prefix .. "_lighten_non_text"],
 		}, common)
 	end
 end
diff --git a/lua/zenbones/specs/light.lua b/lua/zenbones/specs/light.lua
index 423488b..4066899 100644
--- a/lua/zenbones/specs/light.lua
+++ b/lua/zenbones/specs/light.lua
@@ -102,7 +102,7 @@ local function generate(p, opt)
 			Visual          { bg = p.fg.lightness(Normal.bg.l - 8) }, -- Visual mode selection
 			-- VisualNOS    { }, -- Visual mode selection when vim is "Not Owning the Selection".
 
-			NonText         { fg = Normal.bg.da(22) }, -- '@' at the end of the window, characters from 'showbreak' and other characters that do not really exist in the text (e.g., ">" displayed when a double-wide character doesn't fit at the end of the line). See also |hl-EndOfBuffer|.
+			NonText         { fg = Normal.bg.da(opt.darken_non_text or 22) }, -- '@' at the end of the window, characters from 'showbreak' and other characters that do not really exist in the text (e.g., ">" displayed when a double-wide character doesn't fit at the end of the line). See also |hl-EndOfBuffer|.
 			SpecialKey      { NonText, gui = "italic" }, -- Unprintable characters: text displayed differently from what it really is.	But not 'listchars' whitespace. |hl-Whitespace|
 			Whitespace      { NonText }, -- "nbsp", "space", "tab" and "trail" in 'listchars'
 			EndOfBuffer     { NonText }, -- filler lines (~) after the end of the buffer.  By default, this is highlighted like |hl-NonText|.