Create new XAttachInfo class for attachment info (slave devices).

Thanks to XLibs design we can't just change XDeviceInfo without breaking the
ABI. So here's a new class that isn't actually a class on the wire.

2 files changed, 18 insertions, 0 deletions

diff --git a/XI.h b/XI.h
index 475b12d..43b8745 100644
--- a/XI.h
+++ b/XI.h
@@ -255,6 +255,7 @@ SOFTWARE.
 #define ProximityClass  	4
 #define FocusClass  		5
 #define OtherClass  		6
+#define AttachClass             7
 
 #define KbdFeedbackClass  	0
 #define PtrFeedbackClass  	1
diff --git a/XInput.h b/XInput.h
index 8bf11b1..3d1da54 100644
--- a/XInput.h
+++ b/XInput.h
@@ -893,6 +893,23 @@ typedef struct	_XValuatorInfo
     XAxisInfoPtr        axes;
     } XValuatorInfo;
 
+/**
+ * Fake class, added to each device when parsing XListInputDevices internally.
+ * Indicates the master device this device is attached to. If the device is a
+ * master device, the value of attached is to be ignored.
+ */
+typedef struct _XAttachInfo
+    {
+#if defined(__cplusplus) || defined(c_plusplus)
+    XID			c_class;
+#else
+    XID			class;
+#endif
+    int			length;
+    unsigned char       attached;
+    } XAttachInfo;
+
+typedef struct _XAttachInfo *XAttachInfoPtr;
 
 /*******************************************************************
  *