Work on toolbar buffer solution

background.js

@@ -214,6 +214,9 @@ let appCode = function (){
     if (request.keys == "Backspace"){
       keyBuffer = keyBuffer.slice(0, -1)
     }
+    else if (request.keys == "Tab"){
+      keyBuffer += "\t"
+    }
     else if(request.keys.length > 4){
        // pass
     }

settings/button.html

@@ -12,6 +12,7 @@
         <button id="toggleSite">Disable Keyboard Privacy</button>
         <p id="reloadPage">Refresh the page to apply</p>
 
-        <textarea id="keyBuffer" cols="20" rows="10" placeholder="Type in this buffer then click where you want to send it on the page"></textarea>
+        <br>
+        <textarea id="keyBuffer" cols="20" rows="10" placeholder="Text typed here will be sent to active input/textarea elements."></textarea>
     </body>
 </html>

settings/keybuffer2.js

@@ -43,6 +43,20 @@ function getCurrent(){
 
 let sender = async function(e){
 
+  if (e.key == 'Tab') {
+    e.preventDefault();
+    let start = this.selectionStart;
+    let end = this.selectionEnd;
+
+    // set textarea value to: text before caret + tab + text after caret
+    this.value = this.value.substring(0, start) +
+      "\t" + this.value.substring(end);
+
+    // put caret at right position again
+    this.selectionStart =
+      this.selectionEnd = start + 1;
+  }
+
     let sendMessageToTabs = function(tabs){
         doSendMsg(e.key, tabs)
     }