From b3608272a00b52efdae53763b6d7ef7783baa81c Mon Sep 17 00:00:00 2001
From: cpsdqs <cpsdqs@gmail.com>
Date: Sun, 10 Sep 2017 00:04:17 +0200
Subject: [PATCH 1/2] Fix #119 and space causing the screen to scroll (again)

---
 jssrc/term_input.js  | 2 +-
 jssrc/term_screen.js | 9 ++++++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/jssrc/term_input.js b/jssrc/term_input.js
index 6df0535..12c06b5 100644
--- a/jssrc/term_input.js
+++ b/jssrc/term_input.js
@@ -143,7 +143,7 @@ var Input = (function() {
 			if (str.length>0 && str.charCodeAt(0) >= 32) {
 //				console.log("Typed ", str);
 				// prevent space from scrolling
-				if (e.which === 32) e.preventDefault();
+				if (evt.which === 32) evt.preventDefault();
 				sendStrMsg(str);
 			}
 		});
diff --git a/jssrc/term_screen.js b/jssrc/term_screen.js
index 2bb56e1..c6bb975 100644
--- a/jssrc/term_screen.js
+++ b/jssrc/term_screen.js
@@ -156,7 +156,7 @@ class TermScreen {
     };
 
     this.canvas.addEventListener('mousedown', e => {
-      if (this.selection.selectable || e.altKey) {
+      if ((this.selection.selectable || e.altKey) && e.button === 0) {
         selectStart(e.offsetX, e.offsetY)
       } else {
         Input.onMouseDown(...this.screenToGrid(e.offsetX, e.offsetY),
@@ -272,8 +272,11 @@ class TermScreen {
       }
     });
     this.canvas.addEventListener('contextmenu', e => {
-      // prevent mouse keys getting stuck
-      e.preventDefault();
+      if (this.mouseMode.clicks) {
+        // prevent mouse keys getting stuck
+        e.preventDefault();
+      }
+      selectEnd(e.offsetX, e.offsetY);
     })
 
     // bind ctrl+shift+c to copy

From a7a2daee1191bb5090ac3853e6f30fa033bf4aff Mon Sep 17 00:00:00 2001
From: cpsdqs <cpsdqs@gmail.com>
Date: Sun, 10 Sep 2017 00:09:51 +0200
Subject: [PATCH 2/2] Prevent horrible screeching when BEL is spammed

---
 jssrc/term_screen.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/jssrc/term_screen.js b/jssrc/term_screen.js
index c6bb975..3ac2714 100644
--- a/jssrc/term_screen.js
+++ b/jssrc/term_screen.js
@@ -888,6 +888,10 @@ class TermScreen {
     const audioCtx = this.audioCtx;
     if (!audioCtx) return;
 
+    // prevent screeching
+    if (this._lastBeep && this._lastBeep > Date.now() - 50) return;
+    this._lastBeep = Date.now();
+
     let osc, gain;
 
     // main beep