From a70cba80ea3c35afcde25997b81377aba504b977 Mon Sep 17 00:00:00 2001
From: "Jerry (Xinyu Hou)" <xinyu@synergy-project.org>
Date: Wed, 20 Jul 2016 10:11:25 -0700
Subject: [PATCH] Revert "Used input source ID as the key in group map #2765"

This reverts commit 4208e89eaec211d332af9ac7b977107d6712e8dd.
---
 src/lib/platform/OSXKeyState.cpp | 18 +++++++-----------
 src/lib/platform/OSXKeyState.h   |  2 +-
 2 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/src/lib/platform/OSXKeyState.cpp b/src/lib/platform/OSXKeyState.cpp
index 71700d95..9f3d923f 100644
--- a/src/lib/platform/OSXKeyState.cpp
+++ b/src/lib/platform/OSXKeyState.cpp
@@ -379,17 +379,15 @@ OSXKeyState::pollActiveModifiers() const
 SInt32
 OSXKeyState::pollActiveGroup() const
 {
+	bool layoutValid = true;
 	TISInputSourceRef keyboardLayout = TISCopyCurrentKeyboardLayoutInputSource();
-	CFDataRef id = (CFDataRef)TISGetInputSourceProperty(
-						keyboardLayout, kTISPropertyInputSourceID);
 	
-	GroupMap::const_iterator i = m_groupMap.find(id);
-	if (i != m_groupMap.end()) {
-		return i->second;
+	if (layoutValid) {
+		GroupMap::const_iterator i = m_groupMap.find(keyboardLayout);
+		if (i != m_groupMap.end()) {
+			return i->second;
+		}
 	}
-	
-	LOG((CLOG_DEBUG "can't get the active group, use the first group instead"));
-
 	return 0;
 }
 
@@ -416,9 +414,7 @@ OSXKeyState::getKeyMap(synergy::KeyMap& keyMap)
 		m_groupMap.clear();
 		SInt32 numGroups = (SInt32)m_groups.size();
 		for (SInt32 g = 0; g < numGroups; ++g) {
-			CFDataRef id = (CFDataRef)TISGetInputSourceProperty(
-								m_groups[g], kTISPropertyInputSourceID);
-			m_groupMap[id] = g;
+			m_groupMap[m_groups[g]] = g;
 		}
 	}
 
diff --git a/src/lib/platform/OSXKeyState.h b/src/lib/platform/OSXKeyState.h
index ae54c2d3..29cd5d6c 100644
--- a/src/lib/platform/OSXKeyState.h
+++ b/src/lib/platform/OSXKeyState.h
@@ -158,7 +158,7 @@ private:
 		KeyButtonOffset = 1
 	};
 
-	typedef std::map<CFDataRef, SInt32> GroupMap;
+	typedef std::map<KeyLayout, SInt32> GroupMap;
 	typedef std::map<UInt32, KeyID> VirtualKeyMap;
 
 	VirtualKeyMap		m_virtualKeyMap;