From 4dfbf487bf5d3779b6ba12ef969d8308aea1e036 Mon Sep 17 00:00:00 2001
From: "Roberto E. Vargas Caballero" <k0ga@shike2.com>
Date: Mon, 24 Sep 2012 10:28:05 +0200
Subject: Add KAM sequence This sequence lock/unlock the keyboard ignoring all
 the key pressing events from X server. ---  st.c |    8 +++++++-  1 file
 changed, 7 insertions(+), 1 deletion(-)

---
 st.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/st.c b/st.c
index 83edbb8..538ed9a 100644
--- a/st.c
+++ b/st.c
@@ -110,7 +110,8 @@ enum term_mode {
 	MODE_MOUSEBTN    = 32,
 	MODE_MOUSEMOTION = 64,
 	MODE_MOUSE       = 32|64,
-	MODE_REVERSE     = 128
+	MODE_REVERSE     = 128,
+	MODE_KBDLOCK     = 256
 };
 
 enum escape_state {
@@ -1328,6 +1329,9 @@ tsetmode(bool priv, bool set, int *args, int narg) {
 			}
 		} else {
 			switch(*args) {
+			case 2:
+				MODBIT(term.mode, set, MODE_KBDLOCK);
+				break;
 			case 4:
 				MODBIT(term.mode, set, MODE_INSERT);
 				break;
@@ -2257,6 +2261,8 @@ kpress(XEvent *ev) {
 	int shift;
 	Status status;
 
+	if (IS_SET(MODE_KBDLOCK))
+		return;
 	meta = e->state & Mod1Mask;
 	shift = e->state & ShiftMask;
 	len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status);
-- 
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