From 9f0626da643070455fb5d6bb11ff1f483a0c100f Mon Sep 17 00:00:00 2001
From: James Wright <jrwrigh.iii@gmail.com>
Date: Thu, 27 Feb 2020 10:38:32 -0700
Subject: Add backward-delete-char/eof action (#1891)

'backward-delete-char/eof' will either abort if query is
empty or delete one character backwards.
---
 src/options.go  | 2 ++
 src/terminal.go | 8 ++++++++
 2 files changed, 10 insertions(+)

(limited to 'src')

diff --git a/src/options.go b/src/options.go
index be9ffbcc..69ff7d4c 100644
--- a/src/options.go
+++ b/src/options.go
@@ -740,6 +740,8 @@ func parseKeymap(keymap map[int][]action, str string) {
 				appendAction(actBackwardChar)
 			case "backward-delete-char":
 				appendAction(actBackwardDeleteChar)
+			case "backward-delete-char/eof":
+				appendAction(actBackwardDeleteCharEOF)
 			case "backward-word":
 				appendAction(actBackwardWord)
 			case "clear-screen":
diff --git a/src/terminal.go b/src/terminal.go
index bc975546..bd41bdb8 100644
--- a/src/terminal.go
+++ b/src/terminal.go
@@ -187,6 +187,7 @@ const (
 	actAcceptNonEmpty
 	actBackwardChar
 	actBackwardDeleteChar
+	actBackwardDeleteCharEOF
 	actBackwardWord
 	actCancel
 	actClearScreen
@@ -1846,6 +1847,13 @@ func (t *Terminal) Loop() {
 					t.input = []rune{}
 					t.cx = 0
 				}
+			case actBackwardDeleteCharEOF:
+				if len(t.input) == 0 {
+					req(reqQuit)
+				} else if t.cx > 0 {
+					t.input = append(t.input[:t.cx-1], t.input[t.cx:]...)
+					t.cx--
+				}
 			case actForwardChar:
 				if t.cx < len(t.input) {
 					t.cx++
-- 
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