diff options
-rw-r--r-- | include/X11/extensions/XI2proto.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/X11/extensions/XI2proto.h b/include/X11/extensions/XI2proto.h index 4cdaa0d..28a9062 100644 --- a/include/X11/extensions/XI2proto.h +++ b/include/X11/extensions/XI2proto.h @@ -149,8 +149,9 @@ typedef struct { /** * Denotes button capability on a device. - * Struct is followed by num_buttons * Atom that names the buttons in the - * device-native setup (i.e. ignoring button mappings). + * Struct is followed by a button bit-mask (padded to four byte chunks) and + * then num_buttons * Atom that names the buttons in the device-native setup + * (i.e. ignoring button mappings). */ typedef struct { uint16_t type; /**< Always ButtonClass */ |