From 1de4c9c10530eb6efbb9af06d5a2cf881ccd85af Mon Sep 17 00:00:00 2001
From: Florrie <towerofnix@gmail.com>
Date: Sat, 9 Dec 2017 23:45:05 -0400
Subject: Make ansi interpreter work with selective control sequences
---
util/ansi.js | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/util/ansi.js b/util/ansi.js
index 564fdf8..f3f4cbe 100644
--- a/util/ansi.js
+++ b/util/ansi.js
@@ -129,6 +129,7 @@ const ansi = {
const chars = new Array(scrRows * scrCols).fill(blank)
+ let showCursor = true
let cursorRow = 1
let cursorCol = 1
const attributes = []
@@ -144,6 +145,12 @@ const ansi = {
charI++
+ // Selective control sequences (look them up) - we can just skip the
+ // question mark.
+ if (text[charI] === '?') {
+ charI++
+ }
+
const args = []
let val = ''
while (isDigit(text[charI])) {
@@ -165,6 +172,13 @@ const ansi = {
cursorCol = args[1]
}
+ // SM - Set Mode
+ if (text[charI] === 'h') {
+ if (args[0] === '25') {
+ showCursor = true
+ }
+ }
+
// ED - Erase Display (clearScreen)
if (text[charI] === 'J') {
// ESC[2J - erase whole display
@@ -190,6 +204,13 @@ const ansi = {
}
}
+ // RM - Reset Mode
+ if (text[charI] === 'l') {
+ if (args[0] === '25') {
+ showCursor = false
+ }
+ }
+
// SGR - Select Graphic Rendition
if (text[charI] === 'm') {
for (let arg of args) {
--
cgit 1.3.0-6-gf8a5