clutter: Add ::n-rings and ::n-strips property to ClutterInputDevice

This will only be practical for pads (and maybe generic buttonsets in
the future?), we just need to know the number as the events will also
contain a number as the identificator.

clutter/clutter/clutter-device-manager-private.h

@@ -134,6 +134,10 @@ struct _ClutterInputDevice
 
   GPtrArray *tools;
 
+  gint n_rings;
+  gint n_strips;
+  gint n_mode_groups;
+
   guint has_cursor : 1;
   guint is_enabled : 1;
 };

clutter/clutter/clutter-input-device.c

@@ -70,6 +70,10 @@ enum
   PROP_VENDOR_ID,
   PROP_PRODUCT_ID,
 
+  PROP_N_STRIPS,
+  PROP_N_RINGS,
+  PROP_N_MODE_GROUPS,
+
   PROP_LAST
 };
 
@@ -195,6 +199,18 @@ clutter_input_device_set_property (GObject      *gobject,
       self->product_id = g_value_dup_string (value);
       break;
 
+    case PROP_N_RINGS:
+      self->n_rings = g_value_get_int (value);
+      break;
+
+    case PROP_N_STRIPS:
+      self->n_strips = g_value_get_int (value);
+      break;
+
+    case PROP_N_MODE_GROUPS:
+      self->n_mode_groups = g_value_get_int (value);
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
       break;
@@ -255,6 +271,18 @@ clutter_input_device_get_property (GObject    *gobject,
       g_value_set_string (value, self->product_id);
       break;
 
+    case PROP_N_RINGS:
+      g_value_set_int (value, self->n_rings);
+      break;
+
+    case PROP_N_STRIPS:
+      g_value_set_int (value, self->n_strips);
+      break;
+
+    case PROP_N_MODE_GROUPS:
+      g_value_set_int (value, self->n_mode_groups);
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
       break;
@@ -432,6 +460,27 @@ clutter_input_device_class_init (ClutterInputDeviceClass *klass)
                          NULL,
                          CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
 
+  obj_props[PROP_N_RINGS] =
+    g_param_spec_int ("n-rings",
+                      P_("Number of rings"),
+                      P_("Number of rings (circular sliders) in this device"),
+                      0, G_MAXINT, 0,
+                      CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
+
+  obj_props[PROP_N_STRIPS] =
+    g_param_spec_int ("n-strips",
+                      P_("Number of strips"),
+                      P_("Number of strips (linear sliders) in this device"),
+                      0, G_MAXINT, 0,
+                      CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
+
+  obj_props[PROP_N_MODE_GROUPS] =
+    g_param_spec_int ("n-mode-groups",
+                      P_("Number of mode groups"),
+                      P_("Number of mode groups"),
+                      0, G_MAXINT, 0,
+                      CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
+
   gobject_class->dispose = clutter_input_device_dispose;
   gobject_class->set_property = clutter_input_device_set_property;
   gobject_class->get_property = clutter_input_device_get_property;
@@ -2066,3 +2115,29 @@ clutter_input_device_update_from_tool (ClutterInputDevice     *device,
   if (device_class->update_from_tool)
     device_class->update_from_tool (device, tool);
 }
+
+gint
+clutter_input_device_get_n_rings (ClutterInputDevice *device)
+{
+  g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (device), 0);
+
+  return device->n_rings;
+}
+
+gint
+clutter_input_device_get_n_strips (ClutterInputDevice *device)
+{
+  g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (device), 0);
+
+  return device->n_strips;
+}
+
+gint
+clutter_input_device_get_n_mode_groups (ClutterInputDevice *device)
+{
+  g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (device), 0);
+  g_return_val_if_fail (clutter_input_device_get_device_type (device) ==
+                        CLUTTER_PAD_DEVICE, 0);
+
+  return device->n_mode_groups;
+}

clutter/clutter/clutter-input-device.h

@@ -140,6 +140,13 @@ const gchar *           clutter_input_device_get_vendor_id      (ClutterInputDev
 CLUTTER_AVAILABLE_IN_1_22
 const gchar *           clutter_input_device_get_product_id     (ClutterInputDevice *device);
 
+CLUTTER_AVAILABLE_IN_ALL
+gint                    clutter_input_device_get_n_rings        (ClutterInputDevice *device);
+CLUTTER_AVAILABLE_IN_ALL
+gint                    clutter_input_device_get_n_strips       (ClutterInputDevice *device);
+CLUTTER_AVAILABLE_IN_ALL
+gint                    clutter_input_device_get_n_mode_groups  (ClutterInputDevice *device);
+
 G_END_DECLS
 
 #endif /* __CLUTTER_INPUT_DEVICE_H__ */