From 57950d39a308253652aa1b2b46d73299e92cfd7d Mon Sep 17 00:00:00 2001
From: "Jerry (Xinyu Hou)" <xinyu@synergy-project.org>
Date: Thu, 11 Aug 2016 16:59:36 +0100
Subject: [PATCH] Revert "Revert "Used input source ID as the key in group map
 #2765""

This reverts commit a70cba80ea3c35afcde25997b81377aba504b977.
---
 src/lib/platform/OSXKeyState.cpp | 18 +++++++++++-------
 src/lib/platform/OSXKeyState.h   |  2 +-
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/lib/platform/OSXKeyState.cpp b/src/lib/platform/OSXKeyState.cpp
index 7646193d..78c794a8 100644
--- a/src/lib/platform/OSXKeyState.cpp
+++ b/src/lib/platform/OSXKeyState.cpp
@@ -392,15 +392,17 @@ OSXKeyState::pollActiveModifiers() const
 SInt32
 OSXKeyState::pollActiveGroup() const
 {
-	bool layoutValid = true;
 	TISInputSourceRef keyboardLayout = TISCopyCurrentKeyboardLayoutInputSource();
+	CFDataRef id = (CFDataRef)TISGetInputSourceProperty(
+						keyboardLayout, kTISPropertyInputSourceID);
 	
-	if (layoutValid) {
-		GroupMap::const_iterator i = m_groupMap.find(keyboardLayout);
-		if (i != m_groupMap.end()) {
-			return i->second;
-		}
+	GroupMap::const_iterator i = m_groupMap.find(id);
+	if (i != m_groupMap.end()) {
+		return i->second;
 	}
+	
+	LOG((CLOG_DEBUG "can't get the active group, use the first group instead"));
+
 	return 0;
 }
 
@@ -427,7 +429,9 @@ OSXKeyState::getKeyMap(synergy::KeyMap& keyMap)
 		m_groupMap.clear();
 		SInt32 numGroups = (SInt32)m_groups.size();
 		for (SInt32 g = 0; g < numGroups; ++g) {
-			m_groupMap[m_groups[g]] = g;
+			CFDataRef id = (CFDataRef)TISGetInputSourceProperty(
+								m_groups[g], kTISPropertyInputSourceID);
+			m_groupMap[id] = g;
 		}
 	}
 
diff --git a/src/lib/platform/OSXKeyState.h b/src/lib/platform/OSXKeyState.h
index 2aaffc47..26050a28 100644
--- a/src/lib/platform/OSXKeyState.h
+++ b/src/lib/platform/OSXKeyState.h
@@ -159,7 +159,7 @@ private:
 		KeyButtonOffset = 1
 	};
 
-	typedef std::map<KeyLayout, SInt32> GroupMap;
+	typedef std::map<CFDataRef, SInt32> GroupMap;
 	typedef std::map<UInt32, KeyID> VirtualKeyMap;
 
 	VirtualKeyMap		m_virtualKeyMap;