Merge branch 'upstream/2.30.0' into tizen

[platform/upstream/atk.git] / atk / atkcomponent.c

diff --git a/atk/atkcomponent.c b/atk/atkcomponent.c
index 6c2c43f..a618867 100644 (file)
--- a/atk/atkcomponent.c
+++ b/atk/atkcomponent.c
@@ -573,10 +573,13 @@ atk_component_set_extents   (AtkComponent    *component,
  * @x: x coordinate
  * @y: y coordinate
  * @coord_type: specifies whether the coordinates are relative to the screen
- * or to the components top level window
+ * or to the component's top level window
+ *
+ * Sets the position of @component.
+ *
+ * Contrary to atk_component_scroll_to, this does not trigger any scrolling,
+ * this just moves @component in its parent.
  *
- * Sets the postition of @component.
- * 
  * Returns: %TRUE or %FALSE whether or not the position was set or not
  **/
 gboolean
@@ -622,6 +625,68 @@ atk_component_set_size       (AtkComponent    *component,
     return FALSE;
 }
 
+/**
+ * atk_component_scroll_to:
+ * @component: an #AtkComponent
+ * @type: specify where the object should be made visible.
+ *
+ * Makes @component visible on the screen by scrolling all necessary parents.
+ *
+ * Contrary to atk_component_set_position, this does not actually move
+ * @component in its parent, this only makes the parents scroll so that the
+ * object shows up on the screen, given its current position within the parents.
+ *
+ * Returns: whether scrolling was successful.
+ *
+ * Since: 2.30
+ */
+gboolean
+atk_component_scroll_to (AtkComponent  *component,
+                         AtkScrollType  type)
+{
+  AtkComponentIface *iface = NULL;
+  g_return_val_if_fail (ATK_IS_COMPONENT (component), FALSE);
+
+  iface = ATK_COMPONENT_GET_IFACE (component);
+
+  if (iface->scroll_to)
+    return (iface->scroll_to) (component, type);
+
+  return FALSE;
+}
+
+/**
+ * atk_component_scroll_to_point:
+ * @component: an #AtkComponent
+ * @coords: specify whether coordinates are relative to the screen or to the
+ * parent object.
+ * @x: x-position where to scroll to
+ * @y: y-position where to scroll to
+ *
+ * Makes an object visible on the screen at a given position by scrolling all
+ * necessary parents.
+ *
+ * Returns: whether scrolling was successful.
+ *
+ * Since: 2.30
+ */
+gboolean
+atk_component_scroll_to_point (AtkComponent *component,
+                               AtkCoordType  coords,
+                               gint          x,
+                               gint          y)
+{
+  AtkComponentIface *iface = NULL;
+  g_return_val_if_fail (ATK_IS_COMPONENT (component), FALSE);
+
+  iface = ATK_COMPONENT_GET_IFACE (component);
+
+  if (iface->scroll_to_point)
+    return (iface->scroll_to_point) (component, coords, x, y);
+
+  return FALSE;
+}
+
 static gboolean
 atk_component_real_contains (AtkComponent *component,
                              gint         x,