Support XI 2.1 XIScrollClass

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

1 files changed, 37 insertions, 0 deletions

diff --git a/src/XExtInt.c b/src/XExtInt.c
index 870dc0c..d74a8d4 100644
--- a/src/XExtInt.c
+++ b/src/XExtInt.c
@@ -1039,6 +1039,9 @@ sizeDeviceClassType(int type, int num_elements)
         case XIValuatorClass:
             l = sizeof(XIValuatorClassInfo);
             break;
+        case XIScrollClass:
+            l = sizeof(XIScrollClassInfo);
+            break;
         default:
             printf("sizeDeviceClassType: unknown type %d\n", type);
             break;
@@ -1098,6 +1101,9 @@ copyDeviceChangedEvent(XGenericEventCookie *in_cookie,
             case XIValuatorClass:
                 len += sizeDeviceClassType(XIValuatorClass, 0);
                 break;
+            case XIScrollClass:
+                len += sizeDeviceClassType(XIScrollClass, 0);
+                break;
             default:
                 printf("copyDeviceChangedEvent: unknown type %d\n",
                         any->type);
@@ -1162,6 +1168,15 @@ copyDeviceChangedEvent(XGenericEventCookie *in_cookie,
                     out->classes[i] = (XIAnyClassInfo*)vout;
                     break;
                 }
+            case XIScrollClass:
+                {
+                    XIScrollClassInfo *sin, *sout;
+                    sin = (XIScrollClassInfo*)any;
+                    sout = next_block(&ptr, sizeof(XIScrollClassInfo));
+                    *sout = *sin;
+                    out->classes[i] = (XIAnyClassInfo*)sout;
+                    break;
+                }
         }
     }
 
@@ -1433,6 +1448,9 @@ size_classes(xXIAnyInfo* from, int nclasses)
             case XIValuatorClass:
                 l = sizeDeviceClassType(XIValuatorClass, 0);
                 break;
+            case XIScrollClass:
+                l = sizeDeviceClassType(XIScrollClass, 0);
+                break;
         }
 
         len += l;
@@ -1545,6 +1563,25 @@ copy_classes(XIDeviceInfo* to, xXIAnyInfo* from, int *nclasses)
                     to->classes[cls_idx++] = any_lib;
                 }
                 break;
+            case XIScrollClass:
+                {
+                    XIScrollClassInfo *cls_lib;
+                    xXIScrollInfo *cls_wire;
+
+                    cls_lib = next_block(&ptr_lib, sizeof(XIScrollClassInfo));
+                    cls_wire = (xXIScrollInfo*)any_wire;
+
+                    cls_lib->type = cls_wire->type;
+                    cls_lib->sourceid = cls_wire->sourceid;
+                    cls_lib->number     = cls_wire->number;
+                    cls_lib->scroll_type= cls_wire->scroll_type;
+                    cls_lib->flags      = cls_wire->flags;
+                    cls_lib->increment  = cls_wire->increment.integral;
+                    cls_lib->increment += (unsigned int)cls_wire->increment.frac/(double)(1UL << 32);
+
+                    to->classes[cls_idx++] = any_lib;
+                }
+                break;
         }
         len += any_wire->length * 4;
         ptr_wire += any_wire->length * 4;