BUG: fix potential 'nil' reference

Signed-off-by: Jeff Carr <[email protected]>

1 files changed, 6 insertions, 0 deletions

diff --git a/box.go b/box.go
index 08d4918..2640742 100644
--- a/box.go
+++ b/box.go
@@ -120,6 +120,12 @@ func HardBox(gw *GuiWindow, axis int, name string) *GuiBox {
 func HorizontalBreak(box *GuiBox) {
 	log.Println("VerticalSeparator added to box =", box.Name)
 	tmp := ui.NewHorizontalSeparator()
+	if (box == nil) {
+		return
+	}
+	if (box.UiBox == nil) {
+		return
+	}
 	box.UiBox.Append(tmp, false)
 }