From 1ff3ecb5b08b40686b0e03cf79c4233c5bf99396 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@beefcake.parabola.nu>
Date: Tue, 5 Jun 2018 12:44:45 -0400
Subject: fixup statusline

---
 go/src/lib/statusline/tty.go | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 go/src/lib/statusline/tty.go

(limited to 'go/src/lib/statusline/tty.go')

diff --git a/go/src/lib/statusline/tty.go b/go/src/lib/statusline/tty.go
new file mode 100644
index 0000000..72bbb57
--- /dev/null
+++ b/go/src/lib/statusline/tty.go
@@ -0,0 +1,28 @@
+package statusline
+
+import (
+	"fmt"
+	"io"
+)
+
+type statusLine struct {
+	out     io.Writer
+	prevLen int
+}
+
+func TTY(out io.Writer) StatusLine {
+	return &statusLine{out: out}
+}
+
+func (sl *statusLine) Put(line string) {
+	fmt.Fprintf(sl.out, "\r%-[1]*[2]s", sl.prevLen, line)
+	sl.prevLen = len(line)
+}
+
+func (sl *statusLine) End(keep bool) {
+	if keep {
+		io.WriteString(sl.out, "\n")
+	} else {
+		fmt.Fprintf(sl.out, "\r%-[1]*[2]s\r", sl.prevLen, "")
+	}
+}
-- 
cgit v1.2.3-2-g168b