From 93bb0f95089e74eb4540d48554cb12afb22d68ca Mon Sep 17 00:00:00 2001
From: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
Date: Wed, 7 Nov 2012 12:54:17 +0900
Subject: [PATCH] add "send backslash" button.

it's impossible to send a plain backslash keysym without ALT using
MacBookPro with JP keyboard.  option+yen produces a backslash but, because
noVNC maps option key to ALT, it ends up with sending ALT+backslash to
the server.
---
 vnc_auto.html | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/vnc_auto.html b/vnc_auto.html
index a6273256..a7e72a79 100644
--- a/vnc_auto.html
+++ b/vnc_auto.html
@@ -26,6 +26,8 @@
                 <table border=0 width="100%"><tr>
                     <td><div id="noVNC_status">Loading</div></td>
                     <td width="1%"><div id="noVNC_buttons">
+                        <input type=button value="Send Backslash"
+                            id="sendBackslashButton">
                         <input type=button value="Send CtrlAltDel"
                             id="sendCtrlAltDelButton">
                             </div></td>
@@ -66,9 +68,10 @@
             return false;
         }
         function updateState(rfb, state, oldstate, msg) {
-            var s, sb, cad, level;
+            var s, sb, bs, cad, level;
             s = $D('noVNC_status');
             sb = $D('noVNC_status_bar');
+            bs = $D('sendBackslashButton');
             cad = $D('sendCtrlAltDelButton');
             switch (state) {
                 case 'failed':       level = "error";  break;
@@ -79,8 +82,13 @@
                 default:             level = "warn";   break;
             }
 
-            if (state === "normal") { cad.disabled = false; }
-            else                    { cad.disabled = true; }
+            if (state === "normal") {
+                bs.disabled = false;
+                cad.disabled = false;
+            } else {
+                bs.disabled = true;
+                cad.disabled = true;
+            }
 
             if (typeof(msg) !== 'undefined') {
                 sb.setAttribute("class", "noVNC_status_" + level);
@@ -91,6 +99,11 @@
         window.onscriptsload = function () {
             var host, port, password, path, token;
 
+            $D('sendBackslashButton').style.display = "inline";
+            $D('sendBackslashButton').onclick = function() {
+                rfb.sendKey(0x5C);
+                return false;
+            }
             $D('sendCtrlAltDelButton').style.display = "inline";
             $D('sendCtrlAltDelButton').onclick = sendCtrlAltDel;