From 2886f06977579276d0c1a8273d29d5bdad23d628 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Fri, 15 Nov 2019 18:27:08 +0900
Subject: [PATCH] Fix --preview-window noborder with non-default background
 color

---
 src/terminal.go |  6 +++---
 src/tui/tui.go  | 13 +++++++++++++
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/terminal.go b/src/terminal.go
index 13b932e..4cd507a 100644
--- a/src/terminal.go
+++ b/src/terminal.go
@@ -624,9 +624,9 @@ func (t *Terminal) resizeWindows() {
 	noBorder := tui.MakeBorderStyle(tui.BorderNone, t.unicode)
 	if previewVisible {
 		createPreviewWindow := func(y int, x int, w int, h int) {
-			previewBorder := noBorder
-			if t.preview.border {
-				previewBorder = tui.MakeBorderStyle(tui.BorderAround, t.unicode)
+			previewBorder := tui.MakeBorderStyle(tui.BorderAround, t.unicode)
+			if !t.preview.border {
+				previewBorder = tui.MakeTransparentBorder()
 			}
 			t.pborder = t.tui.NewWindow(y, x, w, h, previewBorder)
 			pwidth := w - 4
diff --git a/src/tui/tui.go b/src/tui/tui.go
index de1d4b5..5a2e8d1 100644
--- a/src/tui/tui.go
+++ b/src/tui/tui.go
@@ -221,6 +221,8 @@ type BorderStyle struct {
 	bottomRight rune
 }
 
+type BorderCharacter int
+
 func MakeBorderStyle(shape BorderShape, unicode bool) BorderStyle {
 	if unicode {
 		return BorderStyle{
@@ -244,6 +246,17 @@ func MakeBorderStyle(shape BorderShape, unicode bool) BorderStyle {
 	}
 }
 
+func MakeTransparentBorder() BorderStyle {
+	return BorderStyle{
+		shape:       BorderAround,
+		horizontal:  ' ',
+		vertical:    ' ',
+		topLeft:     ' ',
+		topRight:    ' ',
+		bottomLeft:  ' ',
+		bottomRight: ' '}
+}
+
 type Renderer interface {
 	Init()
 	Pause(clear bool)