From 519210ece6709ba2b7ed3bb6cc5fece3c6a68903 Mon Sep 17 00:00:00 2001
From: James Hall <james@parall.ax>
Date: Tue, 2 Aug 2016 01:08:51 +0100
Subject: [PATCH] Initial support for pressing ~ ^ " ' ` on international
 keyboard layouts until composed characters lands (#521)

* International keyboard support fixes

* Use correct tilde character

* Add correct caret char

* Add alternate key code mapping for ~ and ` - credit: fecabianchi
---
 lib/hterm.js | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/lib/hterm.js b/lib/hterm.js
index 27ad71bf..7c9ab102 100644
--- a/lib/hterm.js
+++ b/lib/hterm.js
@@ -29,6 +29,31 @@ hterm.Terminal.prototype.copySelectionToClipboard = function () {
 // hyperterm and not the terminal itself
 const oldKeyDown = hterm.Keyboard.prototype.onKeyDown_;
 hterm.Keyboard.prototype.onKeyDown_ = function (e) {
+  /**
+   * Add fixes for U.S. International PC Keyboard layout
+   * These keys are sent through as 'Dead' keys, as they're used as modifiers.
+   * Ignore that and insert the correct character.
+   */
+  if (e.key === 'Dead' && e.code === 'Quote' && e.shiftKey === false) {
+    this.terminal.onVTKeystroke("'");
+    return;
+  }
+  if (e.key === 'Dead' && e.code === 'Quote' && e.shiftKey === true) {
+    this.terminal.onVTKeystroke('"');
+    return;
+  }
+  if (e.key === 'Dead' && (e.code === 'IntlBackslash' || e.code === 'Backquote') && e.shiftKey === true) {
+    this.terminal.onVTKeystroke('~');
+    return;
+  }
+  if (e.key === 'Dead' && (e.code === 'IntlBackslash' || e.code === 'Backquote') && e.shiftKey === false) {
+    this.terminal.onVTKeystroke('`');
+    return;
+  }
+  if (e.key === 'Dead' && e.code === 'Digit6') {
+    this.terminal.onVTKeystroke('^');
+    return;
+  }
   if (e.metaKey || e.altKey) {
     return;
   }