From a6826bc999cc3758084a2f218c4c303ffed8d12b Mon Sep 17 00:00:00 2001
From: AJ Kelly <aj187@ajworld.net>
Date: Wed, 23 Feb 2011 19:15:21 -0600
Subject: [PATCH] even more mac mouse work!

---
 src/archutils/Darwin/MouseDevice.cpp | 95 +++++++++++++++++++++++-----
 src/archutils/Darwin/MouseDevice.h   | 15 +++++
 2 files changed, 94 insertions(+), 16 deletions(-)

diff --git a/src/archutils/Darwin/MouseDevice.cpp b/src/archutils/Darwin/MouseDevice.cpp
index 86156db315..6ccb7c4c8a 100644
--- a/src/archutils/Darwin/MouseDevice.cpp
+++ b/src/archutils/Darwin/MouseDevice.cpp
@@ -3,43 +3,106 @@
 
 using __gnu_cxx::hash_map;
 
+/*
+Mouse::Mouse() : id( InputDevice_Invalid ),
+				x_axis( 0 ), x_min( 0 ), x_max( 0 ),
+				y_axis( 0 ), y_min( 0 ), y_max( 0 ),
+				z_axis( 0 ), z_min( 0 ), z_max( 0 )
+{
+}
+*/
+
 bool MouseDevice::AddLogicalDevice( int usagePage, int usage )
 {
-	// Mice can either be kHIDUsage_GD_Mouse or kHIDUsage_GD_Pointer...
-	// Let's just go with kHIDUsage_GD_Mouse for now. -aj
-	return usagePage == kHIDPage_GenericDesktop && usage == kHIDUsage_GD_Mouse;
+	if( usagePage != kHIDPage_GenericDesktop )
+		return false;
+
+	switch( usage )
+	{
+		// Mice can either be kHIDUsage_GD_Mouse or kHIDUsage_GD_Pointer...
+		// Let's just go with kHIDUsage_GD_Mouse for now. -aj
+		case kHIDUsage_GD_Mouse:
+		//case kHIDUsage_GD_Pointer:
+			break;
+		default:
+			return false;
+	}
+	// Init only a single mouse for now.
+	Mouse();
+	return true;
 }
 
 void MouseDevice::AddElement( int usagePage, int usage, IOHIDElementCookie cookie, const CFDictionaryRef properties )
 {
-	if( usagePage == kHIDPage_Button )
-	{
-		const DeviceButton buttonID = enum_add2( MOUSE_LEFT, usage - kHIDUsage_Button_1 );
+	if( usagePage >= kHIDPage_VendorDefinedStart )
+		return;
 
-		bool mouseWheel = (buttonID == MOUSE_WHEELUP || buttonID == MOUSE_WHEELDOWN);
-		if( buttonID <= MOUSE_MIDDLE || mouseWheel )
-			mapping[cookie] = buttonID;
-		else
-			LOG->Warn( "Button id too large: %d.", int(buttonID) );
-		break;
+	ASSERT(m_Mouse);
+	Mouse& m = m_Mouse;
+
+	switch( usagePage )
+	{
+		case kHIDPage_GenericDesktop:
+			int iMin = 0;
+			IntValue( CFDictionaryGetValue(properties, CFSTR(kIOHIDElementMinKey)), iMin );
+			int iMax = 0;
+			IntValue( CFDictionaryGetValue(properties, CFSTR(kIOHIDElementMaxKey)), iMax );
+
+			// based on usage
+			switch( usage )
+			{
+				case kHIDUsage_GD_X:
+					m.x_axis = cookie;
+					m.x_min = iMin;
+					m.x_max = iMax;
+					break;
+				case kHIDUsage_GD_Y:
+					m.y_axis = cookie;
+					m.y_min = iMin;
+					m.y_max = iMax;
+					break;
+				case kHIDUsage_GD_Z:
+					m.z_axis = cookie;
+					m.z_min = iMin;
+					m.z_max = iMax;
+					break;
+				default:
+					//LOG->Warn( "Unknown usagePage usage pair: (kHIDPage_GenericDesktop, %d).", usage );
+					break;
+			}
+			break;
+		case kHIDPage_Button:
+			{
+				const DeviceButton buttonID = enum_add2( MOUSE_LEFT, usage - kHIDUsage_Button_1 );
+
+				bool mouseWheel = (buttonID == MOUSE_WHEELUP || buttonID == MOUSE_WHEELDOWN);
+				if( buttonID <= MOUSE_MIDDLE )
+					mapping[cookie] = buttonID;
+				else
+					LOG->Warn( "Button id too large: %d.", int(buttonID) );
+				break;
+			}
+			break;
+		default:
+			//LOG->Warn( "Unknown usagePage usage pair: (%d, %d).", usagePage, usage );
+			break;
 	}
+
 }
 
 void MouseDevice::Open()
 {
+	//const Mouse& m = m_Mouse;
 	for( hash_map<IOHIDElementCookie,DeviceButton>::const_iterator i = m_Mapping.begin(); i != m_Mapping.end(); ++i )
-	{
 		AddElementToQueue( i->first );
-	}
 }
 
 void MouseDevice::GetButtonPresses( vector<DeviceInput>& vPresses, IOHIDElementCookie cookie, int value, const RageTimer& now ) const
 {
+	// todo: add mouse axis stuff -aj
 	hash_map<IOHIDElementCookie, DeviceButton>::const_iterator iter = m_Mapping.find( cookie );
 	if( iter != m_Mapping.end() )
-	{
 		vPresses.push_back( DeviceInput(DEVICE_MOUSE, iter->second, value, now) );
-	}
 }
 
 void MouseDeviceDevice::GetDevicesAndDescriptions( vector<InputDeviceInfo>& vDevices ) const
diff --git a/src/archutils/Darwin/MouseDevice.h b/src/archutils/Darwin/MouseDevice.h
index 9d3e2565ca..f1c5406a45 100644
--- a/src/archutils/Darwin/MouseDevice.h
+++ b/src/archutils/Darwin/MouseDevice.h
@@ -3,16 +3,31 @@
 
 #include "HIDDevice.h"
 
+struct Mouse
+{
+	InputDevice id;
+	IOHIDElementCookie x_axis, y_axis, z_axis;
+	int x_min, x_max;
+	int y_min, y_max;
+	int z_min, z_max;
+
+	Mouse();
+};
+
 class MouseDevice : public HIDDevice
 {
 private:
 	__gnu_cxx::hash_map<IOHIDElementCookie, DeviceButton> m_Mapping;
+	Mouse m_Mouse;
 
 protected:
 	bool AddLogicalDevice( int usagePage, int usage );
 	void AddElement( int usagePage, int usage, IOHIDElementCookie cookie, const CFDictionaryRef properties )
 	void Open()
 
+	// just in case -aj
+	Mouse GetMouse(){ return m_Mouse; }
+
 public:
 	void GetButtonPresses( vector<DeviceInput>& vPresses, IOHIDElementCookie cookie, int value, const RageTimer& now ) const;
 	void GetDevicesAndDescriptions( vector<InputDeviceInfo>& vDevices ) const;