From 6128e9752495a3defc3b4b5fb81d1d2f69a54252 Mon Sep 17 00:00:00 2001
From: Electogenius <69585636+Electogenius@users.noreply.github.com>
Date: Sun, 12 Dec 2021 17:55:16 +0530
Subject: [PATCH] Added scrolling to terminal

---
 cmd.js  |  7 ++++---
 shmm.js | 14 ++++++++++----
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/cmd.js b/cmd.js
index a0228c7..e6f5bfd 100644
--- a/cmd.js
+++ b/cmd.js
@@ -39,6 +39,7 @@ hmm.storage.cmd = {
 	help(c) {
 		`Built-in commands:
 cd: change current directory
+clear: clears screen
 echo: displays text
 err: displays an error
 ls: lists folders and files in the current directory
@@ -72,14 +73,14 @@ wait: wait a certain amount of milliseconds
 	},
 	cd(){
 		c.eval('cwd=atob("'+btoa(hmm.pathToPath(e.join``,c.eval('cwd')))+'")')
-		,new Promise(r => r())
+		,0[0]
 	},
 	ls(){
 		var f=hmm.pathToJs(hmm.pathToPath(e.join``,c.eval('cwd')))
 		Object.keys(f).sort().forEach(c.echo)
-		,new Promise(r => r())
+		,0[0]
 	},
-	clear(){c.eval('lines=[];ty=-1'),0[0]}
+	clear(){c.eval('lines=[];ty=-1;yOffset=0'),0[0]}
 }
 for (const cmd in hmm.storage.cmd) {
 	hmm.storage.cmd[cmd] = String(hmm.storage.cmd[cmd])
diff --git a/shmm.js b/shmm.js
index 4b97a36..b96f1cb 100644
--- a/shmm.js
+++ b/shmm.js
@@ -7,6 +7,7 @@
 		, hmm = window.parent.hmm
 		, v = { cmd: "", pathY: 0 }
 		, lines = []
+		, yOffset = 0
 	const ti = {//terminal interface
 		echo(t) {
 			tx = 0
@@ -28,10 +29,10 @@
 				y: ty
 			})
 		},
-		eval(c){return eval(c)}
+		eval(c) { return eval(c) }
 	}
 	function r(o) {
-		rText(o.t, o.fg, o.bg, o.x, o.y)
+		rText(o.t, o.fg, o.bg, o.x, o.y + yOffset)
 	}
 	requestAnimationFrame(function draw() {
 		clear()
@@ -83,9 +84,9 @@
 					x: tx,
 					y: ty + 1
 				})
-				tx=0
+				tx = 0
 				ty++
-				lines[2].bg="#333"
+				lines[2].bg = "#333"
 				hmm.$(v.cmd, ti)
 					.then(e => {
 						path = true
@@ -96,4 +97,9 @@
 			}
 		}
 	}
+	window.onwheel = window.onmousewheel = (ev) => {
+		yOffset -= ev.deltaY / 15
+		if (yOffset > 0) yOffset = 0
+		if (yOffset < -ty-1) yOffset = -ty-1
+	}
 })()
\ No newline at end of file