From 53a790483473ec4be5476fd82af72b209cc12345 Mon Sep 17 00:00:00 2001
From: Fabian <copy@copy.sh>
Date: Thu, 16 Dec 2021 14:33:34 -0500
Subject: [PATCH] Improve mute button

---
 debug.html             |  1 +
 index.html             |  2 +-
 src/browser/main.js    | 38 ++++++++++++++++++++++++--------------
 src/browser/starter.js |  1 -
 4 files changed, 26 insertions(+), 16 deletions(-)

diff --git a/debug.html b/debug.html
index 62303e86..88ed728b 100644
--- a/debug.html
+++ b/debug.html
@@ -200,6 +200,7 @@
         <input type="button" value="Lock mouse" id="lock_mouse">
         <input type="button" value="Go fullscreen" id="fullscreen">
         <input type="button" value="Take screenshot (only graphic modes)" id="take_screenshot">
+        <input type="button" value="Mute" id="mute">
 
         <label>
             Scale:
diff --git a/index.html b/index.html
index fd50e8fc..c7b59a32 100644
--- a/index.html
+++ b/index.html
@@ -173,7 +173,7 @@
         <input type="button" value="Lock mouse" id="lock_mouse">
         <input type="button" value="Go fullscreen" id="fullscreen">
         <input type="button" value="Take screenshot (only graphic modes)" id="take_screenshot">
-        <input type="button" value="Sound on/off" id="mute">
+        <input type="button" value="Mute" id="mute">
 
         <label>
             Scale:
diff --git a/src/browser/main.js b/src/browser/main.js
index c4978b32..586a78bb 100644
--- a/src/browser/main.js
+++ b/src/browser/main.js
@@ -1637,22 +1637,32 @@
             $("take_screenshot").blur();
         };
 
-        $("mute").onclick = function()
+        if(emulator.speaker_adapter)
         {
-            if(emulator.is_muted)
-            {
-                emulator.speaker_adapter.mixer.set_volume(1, undefined);
-                emulator.is_muted = false;
-            }
-            else
-            {
-                emulator.speaker_adapter.mixer.set_volume(0, undefined);
-                emulator.is_muted = true;
-            }
-            
-            $("mute").blur();
-        };
+            let is_muted = false;
 
+            $("mute").onclick = function()
+            {
+                if(is_muted)
+                {
+                    emulator.speaker_adapter.mixer.set_volume(1, undefined);
+                    is_muted = false;
+                    $("mute").value = "Mute";
+                }
+                else
+                {
+                    emulator.speaker_adapter.mixer.set_volume(0, undefined);
+                    is_muted = true;
+                    $("mute").value = "Unmute";
+                }
+
+                $("mute").blur();
+            };
+        }
+        else
+        {
+            $("mute").remove();
+        }
 
         window.addEventListener("keydown", ctrl_w_rescue, false);
         window.addEventListener("keyup", ctrl_w_rescue, false);
diff --git a/src/browser/starter.js b/src/browser/starter.js
index e65d8c86..048d7718 100644
--- a/src/browser/starter.js
+++ b/src/browser/starter.js
@@ -94,7 +94,6 @@ function V86Starter(options)
     //var adapter_bus = this.bus = WorkerBus.init(worker);
 
     this.cpu_is_running = false;
-    this.is_muted = options["disable_speaker"];
 
     const bus = Bus.create();
     const adapter_bus = this.bus = bus[0];