From 956ddf3688954a2a5717dbcf6132c42251a35ca4 Mon Sep 17 00:00:00 2001
From: Tony Wang <wwwjfy@gmail.com>
Date: Sun, 1 Jan 2017 15:30:55 +0800
Subject: [PATCH] hyper key

---
 .../Resources/simple_modifications.json           |  3 +++
 .../include/manipulator/event_manipulator.hpp     | 15 +++++++++++++++
 src/share/types.hpp                               |  2 ++
 3 files changed, 20 insertions(+)

diff --git a/src/apps/PreferencesWindow/PreferencesWindow/Resources/simple_modifications.json b/src/apps/PreferencesWindow/PreferencesWindow/Resources/simple_modifications.json
index 9da128c1b..da0784280 100644
--- a/src/apps/PreferencesWindow/PreferencesWindow/Resources/simple_modifications.json
+++ b/src/apps/PreferencesWindow/PreferencesWindow/Resources/simple_modifications.json
@@ -32,6 +32,9 @@
     {
         "name": "fn"
     },
+    {
+        "name": "hyper"
+    },
     {
         "category": "Controls and symbols"
     },
diff --git a/src/core/grabber/include/manipulator/event_manipulator.hpp b/src/core/grabber/include/manipulator/event_manipulator.hpp
index 9112715a0..72864a2ae 100644
--- a/src/core/grabber/include/manipulator/event_manipulator.hpp
+++ b/src/core/grabber/include/manipulator/event_manipulator.hpp
@@ -203,6 +203,10 @@ class event_manipulator final {
       return;
     }
 
+    if (post_hyper_key(to_key_code, pressed)) {
+      return;
+    }
+
     if (post_modifier_flag_event(to_key_code, pressed)) {
       return;
     }
@@ -406,6 +410,17 @@ class event_manipulator final {
     return false;
   }
 
+  bool post_hyper_key(krbn::key_code key_code, bool pressed) {
+    if (key_code == krbn::key_code::hyper) {
+      post_modifier_flag_event(krbn::key_code(kHIDUsage_KeyboardLeftControl), pressed);
+      post_modifier_flag_event(krbn::key_code(kHIDUsage_KeyboardLeftShift), pressed);
+      post_modifier_flag_event(krbn::key_code(kHIDUsage_KeyboardLeftAlt), pressed);
+      post_modifier_flag_event(krbn::key_code(kHIDUsage_KeyboardLeftGUI), pressed);
+      return true;
+    }
+    return false;
+  }
+
   bool post_modifier_flag_event(krbn::key_code key_code, bool pressed) {
     auto operation = pressed ? manipulator::modifier_flag_manager::operation::increase : manipulator::modifier_flag_manager::operation::decrease;
 
diff --git a/src/share/types.hpp b/src/share/types.hpp
index 290261523..697d0b164 100644
--- a/src/share/types.hpp
+++ b/src/share/types.hpp
@@ -115,6 +115,7 @@ enum class key_code : uint32_t {
 
   // Keys that are not in generic keyboard_or_keypad usage_page.
   fn,
+  hyper,
   display_brightness_decrement,
   display_brightness_increment,
   dashboard,
@@ -442,6 +443,7 @@ class types final {
         {"vk_none", key_code::vk_none},
 
         {"fn", key_code::fn},
+        {"hyper", key_code::hyper},
         {"display_brightness_decrement", key_code::display_brightness_decrement},
         {"display_brightness_increment", key_code::display_brightness_increment},
         {"mission_control", key_code::mission_control},