From d2af3ff98d427d797be809505661aeb84e65e4c7 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Fri, 4 Dec 2020 19:27:43 +0900
Subject: Change how hl:-1 or hl+:-1 is applied to text with background color

---
 src/tui/tui.go | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/tui/tui.go')

diff --git a/src/tui/tui.go b/src/tui/tui.go
index e07e6618..edbc9a14 100644
--- a/src/tui/tui.go
+++ b/src/tui/tui.go
@@ -124,6 +124,10 @@ const (
 
 type Color int32
 
+func (c Color) IsDefault() bool {
+	return c == colDefault
+}
+
 func (c Color) is24() bool {
 	return c > 0 && (c&(1<<24)) > 0
 }
@@ -190,6 +194,11 @@ func (p ColorPair) Attr() Attr {
 	return p.attr
 }
 
+func (p ColorPair) HasBg() bool {
+	return p.attr&Reverse == 0 && p.bg != colDefault ||
+		p.attr&Reverse > 0 && p.fg != colDefault
+}
+
 func (p ColorPair) merge(other ColorPair, except Color) ColorPair {
 	dup := p
 	dup.attr = dup.attr.Merge(other.attr)
-- 
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