--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/accessibility/AccessibleControlAdapter.d	Sat Aug 09 17:00:02 2008 +0200
@@ -0,0 +1,257 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2006 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *     
+ * Port to the D Programming language:
+ *     Jacob Carlborg <jacob.carlborg@gmail.com>
+ *******************************************************************************/
+module dwt.accessibility.AccessibleControlAdapter;
+
+import dwt.dwthelper.utils;
+import dwt.accessibility.AccessibleControlListener;
+import dwt.accessibility.AccessibleControlEvent;
+
+/**
+ * This adapter class provides default implementations for the
+ * methods described by the <code>AccessibleControlListener</code> interface.
+ * <p>
+ * Classes that wish to deal with <code>AccessibleControlEvent</code>s can
+ * extend this class and override only the methods that they are
+ * interested in.
+ * </p><p>
+ * Note: Accessibility clients use child identifiers to specify
+ * whether they want information about a control or one of its children.
+ * Child identifiers are increasing integers beginning with 0.
+ * The identifier CHILDID_SELF represents the control itself.
+ * When returning a child identifier to a client, you may use CHILDID_NONE
+ * to indicate that no child or control has the required information.
+ * </p><p>
+ * Note: This adapter is typically used by implementors of
+ * a custom control to provide very detailed information about
+ * the control instance to accessibility clients.
+ * </p>
+ *
+ * @see AccessibleControlListener
+ * @see AccessibleControlEvent
+ * 
+ * @since 2.0
+ */
+public abstract class AccessibleControlAdapter : AccessibleControlListener {
+
+    /**
+     * Sent when an accessibility client requests the identifier
+     * of the control child at the specified display coordinates.
+     * The default behavior is to do nothing.
+     * <p>
+     * Return the identifier of the child at display point (x, y)
+     * in the <code>childID</code> field of the event object.
+     * Return CHILDID_SELF if point (x, y) is in the control itself
+     * and not in any child. Return CHILDID_NONE if point (x, y)
+     * is not contained in either the control or any of its children.
+     * </p>
+     *
+     * @param e an event object containing the following fields:<ul>
+     *    <li>x, y [IN] - the specified point in display coordinates</li>
+     *    <li>childID [Typical OUT] - the ID of the child at point, or CHILDID_SELF, or CHILDID_NONE</li>
+     *    <li>accessible [Optional OUT] - the accessible object for the control or child may be returned instead of the childID</li>
+     * </ul>
+     */
+    public void getChildAtPoint (AccessibleControlEvent e) {
+    }
+
+    /**
+     * Sent when an accessibility client requests the location
+     * of the control, or the location of a child of the control.
+     * The default behavior is to do nothing.
+     * <p>
+     * Return a rectangle describing the location of the specified
+     * control or child in the <code>x, y, width, and height</code>
+     * fields of the event object.
+     * </p>
+     *
+     * @param e an event object containing the following fields:<ul>
+     *    <li>childID [IN] - an identifier specifying the control or one of its children</li>
+     *    <li>x, y, width, height [OUT] - the control or child location in display coordinates</li>
+     * </ul>
+     */
+    public void getLocation (AccessibleControlEvent e) {
+    }
+
+    /**
+     * Sent when an accessibility client requests the accessible object
+     * for a child of the control.
+     * The default behavior is to do nothing.
+     * <p>
+     * Return an <code>Accessible</code> for the specified control or
+     * child in the <code>accessible</code> field of the event object.
+     * Return null if the specified child does not have its own
+     * <code>Accessible</code>.
+     * </p>
+     *
+     * @param e an event object containing the following fields:<ul>
+     *    <li>childID [IN] - an identifier specifying a child of the control</li>
+     *    <li>accessible [OUT] - an Accessible for the specified childID, or null if one does not exist</li>
+     * </ul>
+     */
+    public void getChild (AccessibleControlEvent e) {
+    }
+
+    /**
+     * Sent when an accessibility client requests the number of
+     * children in the control.
+     * The default behavior is to do nothing.
+     * <p>
+     * Return the number of child items in the <code>detail</code>
+     * field of the event object.
+     * </p>
+     *
+     * @param e an event object containing the following fields:<ul>
+     *    <li>detail [OUT] - the number of child items in this control</li>
+     * </ul>
+     */
+    public void getChildCount (AccessibleControlEvent e) {
+    }
+
+    /**
+     * Sent when an accessibility client requests the default action
+     * of the control, or the default action of a child of the control.
+     * The default behavior is to do nothing.
+     * <p>
+     * This String is typically a verb describing what the user does to it.
+     * For example, a Push Button's default action is "Press", a Check Button's
+     * is "Check" or "UnCheck", and List items have the default action "Double Click".
+     * </p><p>
+     * Return a String describing the default action of the specified
+     * control or child in the <code>result</code> field of the event object.
+     * Returning null tells the client to use the platform default action String.
+     * </p>
+     *
+     * @param e an event object containing the following fields:<ul>
+     *    <li>childID [IN] - an identifier specifying the control or one of its children</li>
+     *    <li>result [OUT] - the requested default action String, or null</li>
+     * </ul>
+     */
+    public void getDefaultAction (AccessibleControlEvent e) {
+    }
+
+    /**
+     * Sent when an accessibility client requests the identity of
+     * the child or control that has keyboard focus.
+     * The default behavior is to do nothing.
+     * <p>
+     * Return the identifier of the child that has focus in the
+     * <code>childID</code> field of the event object.
+     * Return CHILDID_SELF if the control itself has keyboard focus.
+     * Return CHILDID_NONE if neither the control nor any of its children has focus.
+     * </p>
+     *
+     * @param e an event object containing the following fields:<ul>
+     *    <li>childID [Typical OUT] - the ID of the child with focus, or CHILDID_SELF, or CHILDID_NONE</li>
+     *    <li>accessible [Optional OUT] - the accessible object for a child may be returned instead of its childID</li>
+     * </ul>
+     */
+    public void getFocus (AccessibleControlEvent e) {
+    }
+
+    /**
+     * Sent when an accessibility client requests the role
+     * of the control, or the role of a child of the control.
+     * The default behavior is to do nothing.
+     * <p>
+     * Return a role constant (constant defined in ACC beginning with ROLE_)
+     * that describes the role of the specified control or child in the
+     * <code>detail</code> field of the event object.
+     * </p>
+     *
+     * @param e an event object containing the following fields:<ul>
+     *    <li>childID [IN] - an identifier specifying the control or one of its children</li>
+     *    <li>detail [OUT] - a role constant describing the role of the control or child</li>
+     * </ul>
+     */
+    public void getRole (AccessibleControlEvent e) {
+    }
+
+    /**
+     * Sent when an accessibility client requests the identity of
+     * the child or control that is currently selected.
+     * The default behavior is to do nothing.
+     * <p>
+     * Return the identifier of the selected child in the
+     * <code>childID</code> field of the event object.
+     * Return CHILDID_SELF if the control itself is selected.
+     * Return CHILDID_MULTIPLE if multiple children are selected, and return an array of childIDs in the <code>children</code> field.
+     * Return CHILDID_NONE if neither the control nor any of its children are selected.
+     * </p>
+     *
+     * @param e an event object containing the following fields:<ul>
+     *    <li>childID [Typical OUT] - the ID of the selected child, or CHILDID_SELF, or CHILDID_MULTIPLE, or CHILDID_NONE</li>
+     *    <li>accessible [Optional OUT] - the accessible object for the control or child may be returned instead of the childID</li>
+     * </ul>
+     */
+    public void getSelection (AccessibleControlEvent e) {
+    }
+
+    /**
+     * Sent when an accessibility client requests the state
+     * of the control, or the state of a child of the control.
+     * The default behavior is to do nothing.
+     * <p>
+     * Return a state mask (mask bit constants defined in ACC beginning with STATE_)
+     * that describes the current state of the specified control or child in the
+     * <code>detail</code> field of the event object.
+     * </p>
+     *
+     * @param e an event object containing the following fields:<ul>
+     *    <li>childID [IN] - an identifier specifying the control or one of its children</li>
+     *    <li>detail [OUT] - a state mask describing the current state of the control or child</li>
+     * </ul>
+     */
+    public void getState (AccessibleControlEvent e) {
+    }
+
+    /**
+     * Sent when an accessibility client requests the value
+     * of the control, or the value of a child of the control.
+     * The default behavior is to do nothing.
+     * <p>
+     * Many controls do not return a value. Examples of controls
+     * that do are: Combo returns the text String, Text returns
+     * its contents, ProgressBar returns a String representing a
+     * percentage, and Tree items return a String representing
+     * their level in the tree.
+     * </p><p>
+     * Return a String describing the value of the specified control
+     * or child in the <code>result</code> field of the event object.
+     * Returning null tells the client to use the platform value String.
+     * </p>
+     *
+     * @param e an event object containing the following fields:<ul>
+     *    <li>childID [IN] - an identifier specifying the control or one of its children</li>
+     *    <li>result [OUT] - the requested value String, or null</li>
+     * </ul>
+     */
+    public void getValue (AccessibleControlEvent e) {
+    }
+
+    /**
+     * Sent when an accessibility client requests the children of the control.
+     * The default behavior is to do nothing.
+     * <p>
+     * Return the children as an array of childIDs in the <code>children</code>
+     * field of the event object.
+     * </p>
+     *
+     * @param e an event object containing the following fields:<ul>
+     *    <li>children [Typical OUT] - an array of childIDs</li>
+     *    <li>accessible [Optional OUT] - an array of accessible objects for the children may be returned instead of the childIDs</li>
+     * </ul>
+     */
+    public void getChildren (AccessibleControlEvent e) {
+    }
+}