From 8c1d2e29b9ef3472b46d6997ffde5ca38afdb5f3 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Thu, 8 Jun 2023 18:49:41 +0200
Subject: user/vterm: support displaying tabs

---
 src/user/app/vterm/vterm.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/user/app/vterm/vterm.c b/src/user/app/vterm/vterm.c
index a7d5bcc..f365f6b 100644
--- a/src/user/app/vterm/vterm.c
+++ b/src/user/app/vterm/vterm.c
@@ -18,6 +18,11 @@ void in_char(char c) {
 		case '\b':
 			if (cursor.x > 0) cursor.x--;
 			break;
+		case '\t':
+			/* rounds down to nearest multiple of 8 and adds 8
+			   = adding 1 and rounding up to the nearest multiple of 8 */
+			cursor.x = (cursor.x & ~7) + 8;
+			break;
 		default:
 			font_blit(c, cursor.x, cursor.y);
 			cursor.x++;
-- 
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