From 4a7d3ee1c8f959558fabb0a014bed7b8d3105854 Mon Sep 17 00:00:00 2001
From: Soren Jorvang <soren.jorvang@gmail.com>
Date: Sun, 16 Jan 2011 17:00:17 +0000
Subject: Deal with "hat" switches.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6863 8ced0084-cf51-0410-be5f-012b33b47a6e
---
 .../Src/ControllerInterface/OSX/OSXJoystick.h      | 20 +++++
 .../Src/ControllerInterface/OSX/OSXJoystick.mm     | 98 +++++++++++++++++++---
 2 files changed, 107 insertions(+), 11 deletions(-)

(limited to 'Source/Core/InputCommon')

diff --git a/Source/Core/InputCommon/Src/ControllerInterface/OSX/OSXJoystick.h b/Source/Core/InputCommon/Src/ControllerInterface/OSX/OSXJoystick.h
index c9bb7bdfaf..c26df5e579 100644
--- a/Source/Core/InputCommon/Src/ControllerInterface/OSX/OSXJoystick.h
+++ b/Source/Core/InputCommon/Src/ControllerInterface/OSX/OSXJoystick.h
@@ -53,6 +53,26 @@ protected:
 		float			m_scale;
 	};
 
+	class Hat : public Input
+	{
+		friend class Joystick;
+	public:
+		enum direction {
+			up = 0,
+			right,
+			down,
+			left
+		};
+		std::string GetName() const;
+	protected:
+		Hat(IOHIDElementRef element, direction dir);
+		ControlState GetState(IOHIDDeviceRef device) const;
+	private:
+		IOHIDElementRef		m_element;
+		std::string		m_name;
+		direction		m_direction;
+	};
+
 	bool UpdateInput();
 	bool UpdateOutput();
 
diff --git a/Source/Core/InputCommon/Src/ControllerInterface/OSX/OSXJoystick.mm b/Source/Core/InputCommon/Src/ControllerInterface/OSX/OSXJoystick.mm
index b3012b6c87..223e363cce 100644
--- a/Source/Core/InputCommon/Src/ControllerInterface/OSX/OSXJoystick.mm
+++ b/Source/Core/InputCommon/Src/ControllerInterface/OSX/OSXJoystick.mm
@@ -60,8 +60,15 @@ Joystick::Joystick(IOHIDDeviceRef device)
 			(IOHIDElementRef)CFArrayGetValueAtIndex(axes, i);
 			//DeviceElementDebugPrint(e, NULL);
 
-			AddInput(new Axis(e, Axis::negative));
-			AddInput(new Axis(e, Axis::positive));
+			if (IOHIDElementGetUsage(e) == kHIDUsage_GD_Hatswitch) {
+				AddInput(new Hat(e, Hat::up));
+				AddInput(new Hat(e, Hat::right));
+				AddInput(new Hat(e, Hat::down));
+				AddInput(new Hat(e, Hat::left));
+			} else {
+				AddInput(new Axis(e, Axis::negative));
+				AddInput(new Axis(e, Axis::positive));
+			}
 		}
 		CFRelease(axes);
 	}
@@ -159,15 +166,9 @@ Joystick::Axis::Axis(IOHIDElementRef element, direction dir)
 	case kHIDUsage_GD_Wheel:
 		description = "Wheel";
 		break;
-	case kHIDUsage_GD_Hatswitch:
-		description = "Hat";
-		break;
 	case kHIDUsage_Csmr_ACPan:
 		description = "Pan";
 		break;
-	default:
-		WARN_LOG(PAD, "Unknown axis type 0x%x, using it anyway...",
-			IOHIDElementGetUsage(m_element));
 	}
 
 	m_name = std::string("Axis ") + description;
@@ -190,9 +191,9 @@ ControlState Joystick::Axis::GetState(IOHIDDeviceRef device) const
 			return (position - m_neutral) * m_scale;
 		if (m_direction == negative && position < m_neutral)
 			return (m_neutral - position) * m_scale;
-        }
- 
-        return 0;
+	}
+
+	return 0;
 }
 
 std::string Joystick::Axis::GetName() const
@@ -200,6 +201,81 @@ std::string Joystick::Axis::GetName() const
 	return m_name;
 }
 
+Joystick::Hat::Hat(IOHIDElementRef element, direction dir)
+	: m_element(element)
+	, m_direction(dir)
+{
+	switch (dir) {
+	case up:
+		m_name = "Up";
+		break;
+	case right:
+		m_name = "Right";
+		break;
+	case down:
+		m_name = "Down";
+		break;
+	case left:
+		m_name = "Left";
+		break;
+	default:
+		m_name = "unk";
+	}
+}
+
+ControlState Joystick::Hat::GetState(IOHIDDeviceRef device) const
+{
+	IOHIDValueRef value;
+	int position;
+
+	if (IOHIDDeviceGetValue(device, m_element, &value) == kIOReturnSuccess)
+	{
+		position = IOHIDValueGetIntegerValue(value);
+
+		switch (position) {
+		case 0:
+			if (m_direction == up)
+				return 1;
+			break;
+		case 1:
+			if (m_direction == up || m_direction == right)
+				return 1;
+			break;
+		case 2:
+			if (m_direction == right)
+				return 1;
+			break;
+		case 3:
+			if (m_direction == right || m_direction == down)
+				return 1;
+			break;
+		case 4:
+			if (m_direction == down)
+				return 1;
+			break;
+		case 5:
+			if (m_direction == down || m_direction == left)
+				return 1;
+			break;
+		case 6:
+			if (m_direction == left)
+				return 1;
+			break;
+		case 7:
+			if (m_direction == left || m_direction == up)
+				return 1;
+			break;
+		};
+	}
+
+	return 0;
+}
+
+std::string Joystick::Hat::GetName() const
+{
+	return m_name;
+}
+
 
 }
 }
-- 
cgit v1.2.3