Fix preview area not being cleared when using certain types of border styles

    fzf --preview 'sleep 3; date' --preview-window hidden \
      --bind ctrl-/:change-preview-window:up,border-bottom

1 files changed, 14 insertions, 2 deletions

diff --git a/src/tui/light.go b/src/tui/light.go
index a5911524..216c4c36 100644
--- a/src/tui/light.go
+++ b/src/tui/light.go
@@ -808,13 +808,25 @@ func (w *LightWindow) drawBorderHorizontal(top, bottom bool) {
 		color = ColPreviewBorder
 	}
 	hw := runeWidth(w.border.top)
+	pad := repeat(' ', w.width/hw)
+
+	w.Move(0, 0)
 	if top {
-		w.Move(0, 0)
 		w.CPrint(color, repeat(w.border.top, w.width/hw))
+	} else {
+		w.CPrint(color, pad)
 	}
+
+	for y := 1; y < w.height-1; y++ {
+		w.Move(y, 0)
+		w.CPrint(color, pad)
+	}
+
+	w.Move(w.height-1, 0)
 	if bottom {
-		w.Move(w.height-1, 0)
 		w.CPrint(color, repeat(w.border.bottom, w.width/hw))
+	} else {
+		w.CPrint(color, pad)
 	}
 }