Add jstick member functions missing on Windows implementation.

src/platform/windows/jstick_xinput.cpp

@@ -22,6 +22,25 @@ bool jstick::Cleanup() { return true; }
 
 void jstick::JoystickServiceUpdate() { }
 
+// XInput cannot tell us what type of device it is, so assume it's a legitimate Microsoft XB360 controller.
+std::string jstick::GetDeviceName(int hwid) { return "Microsoft X-Box 360 pad"; }
+
+jstick::ControllerType jstick::GetDeviceTypeFromName(const std::string &name) {
+	// On Windows, we assume the standard controller, we have no way of knowing specifics currently.
+	// ~josh.
+	return ControllerType::XBox;
+}
+
+int jstick::NumJoysticksDetected() {
+	// TODO: Check it properly!!
+	if (JoystickDetected())
+		return 1;
+	return 0;
+}
+
+
+
+
 Vector2 jstick::GetDPadAxis(float deadzone, int hwid)
 {
 	// "Synthesize" a DPad vector based upon whether the buttons are pressed.
@@ -150,6 +169,17 @@ Vector2 jstick::GetRightThumbstickAxis(float deadzone, int hwid)
 	return Vector2(state.Gamepad.sThumbRX, state.Gamepad.sThumbRY);
 }
 
+int jstick::Connect(int hwid)
+{
+	return hwid;
+}
+
+bool jstick::Disconnect(int hwid) {
+	return true;
+}
+
+bool jstick::Connected(int hwid) { return true; }
+
 Vector2 jstick::GetRightThumbstickAxisNormalized(float deadzone, int hwid)
 {
 	Vector2 axisL = jstick::GetLeftThumbstickAxis(deadzone, hwid);