| /******************************************************************************* |
| * Copyright (c) 2000, 2009 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 |
| *******************************************************************************/ |
| package org.eclipse.swt.accessibility; |
| |
| |
| import java.util.*; |
| import org.eclipse.swt.internal.*; |
| import org.eclipse.swt.internal.accessibility.gtk.*; |
| import org.eclipse.swt.internal.gtk.*; |
| import org.eclipse.swt.*; |
| |
| class AccessibleFactory { |
| int /*long*/ handle; |
| int /*long*/ objectParentType; |
| int /*long*/ widgetTypeName; |
| Callback atkObjectFactoryCB_create_accessible; |
| Callback gTypeInfo_base_init_factory; |
| Hashtable accessibles = new Hashtable (9); |
| |
| static final Hashtable Types = new Hashtable (9); |
| static final Hashtable Factories = new Hashtable (9); |
| static final int /*long*/ DefaultParentType = OS.g_type_from_name (Converter.wcsToMbcs (null, "GtkAccessible", true)); //$NON-NLS-1$ |
| static final byte[] FACTORY_PARENTTYPENAME = Converter.wcsToMbcs (null, "AtkObjectFactory", true); //$NON-NLS-1$ |
| static final byte[] SWT_TYPE_PREFIX = Converter.wcsToMbcs (null, "SWT", false); //$NON-NLS-1$ |
| static final byte[] CHILD_TYPENAME = Converter.wcsToMbcs (null, "Child", false); //$NON-NLS-1$ |
| static final byte[] FACTORY_TYPENAME = Converter.wcsToMbcs (null, "SWTFactory", true); //$NON-NLS-1$ |
| static final int[] actionRoles = { |
| ACC.ROLE_CHECKBUTTON, ACC.ROLE_COMBOBOX, ACC.ROLE_LINK, |
| ACC.ROLE_MENUITEM, ACC.ROLE_PUSHBUTTON, ACC.ROLE_RADIOBUTTON, |
| ACC.ROLE_SPLITBUTTON, |
| }; |
| static final int[] hypertextRoles = {ACC.ROLE_LINK}; |
| static final int[] selectionRoles = { |
| ACC.ROLE_LIST, ACC.ROLE_TABFOLDER, ACC.ROLE_TABLE, ACC.ROLE_TREE, |
| }; |
| static final int[] textRoles = { |
| ACC.ROLE_COMBOBOX, ACC.ROLE_LINK, ACC.ROLE_LABEL, ACC.ROLE_TEXT, |
| }; |
| |
| /* AT callbacks*/ |
| static final Callback AtkActionCB_get_keybinding; |
| static final Callback AtkActionCB_get_name; |
| static final Callback AtkComponentCB_get_extents; |
| static final Callback AtkComponentCB_get_position; |
| static final Callback AtkComponentCB_get_size; |
| static final Callback AtkComponentCB_ref_accessible_at_point; |
| static final Callback AtkHypertextCB_get_link; |
| static final Callback AtkHypertextCB_get_n_links; |
| static final Callback AtkHypertextCB_get_link_index; |
| static final Callback AtkObjectCB_get_description; |
| static final Callback AtkObjectCB_get_index_in_parent; |
| static final Callback AtkObjectCB_get_n_children; |
| static final Callback AtkObjectCB_get_name; |
| static final Callback AtkObjectCB_get_parent; |
| static final Callback AtkObjectCB_get_role; |
| static final Callback AtkObjectCB_ref_child; |
| static final Callback AtkObjectCB_ref_state_set; |
| static final Callback AtkSelectionCB_is_child_selected; |
| static final Callback AtkSelectionCB_ref_selection; |
| static final Callback AtkTextCB_get_caret_offset; |
| static final Callback AtkTextCB_get_n_selections; |
| static final Callback AtkTextCB_get_selection; |
| static final Callback AtkTextCB_get_text; |
| static final Callback AtkTextCB_get_text_after_offset; |
| static final Callback AtkTextCB_get_text_at_offset; |
| static final Callback AtkTextCB_get_text_before_offset; |
| static final Callback AtkTextCB_get_character_at_offset; |
| static final Callback AtkTextCB_get_character_count; |
| static final Callback GObjectClass_finalize; |
| /* interface initialization callbacks */ |
| static final Callback InitActionIfaceCB; |
| static final Callback InitComponentIfaceCB; |
| static final Callback InitHypertextIfaceCB; |
| static final Callback GTypeInfo_base_init_type; |
| static final Callback InitSelectionIfaceCB; |
| static final Callback InitTextIfaceCB; |
| /* interface definitions */ |
| static int /*long*/ ObjectIfaceDefinition; |
| static final int /*long*/ ActionIfaceDefinition; |
| static final int /*long*/ ComponentIfaceDefinition; |
| static final int /*long*/ HypertextIfaceDefinition; |
| static final int /*long*/ SelectionIfaceDefinition; |
| static final int /*long*/ TextIfaceDefinition; |
| static { |
| AtkActionCB_get_keybinding = newCallback (AccessibleObject.class, "atkAction_get_keybinding", 2); //$NON-NLS-1$ |
| AtkActionCB_get_name = newCallback (AccessibleObject.class, "atkAction_get_name", 2); //$NON-NLS-1$ |
| AtkComponentCB_get_extents = newCallback (AccessibleObject.class, "atkComponent_get_extents", 6); //$NON-NLS-1$ |
| AtkComponentCB_get_position = newCallback (AccessibleObject.class, "atkComponent_get_position", 4); //$NON-NLS-1$ |
| AtkComponentCB_get_size = newCallback (AccessibleObject.class, "atkComponent_get_size", 4); //$NON-NLS-1$ |
| AtkComponentCB_ref_accessible_at_point = newCallback (AccessibleObject.class, "atkComponent_ref_accessible_at_point", 4); //$NON-NLS-1$ |
| AtkHypertextCB_get_link = newCallback (AccessibleObject.class, "atkHypertext_get_link", 2); //$NON-NLS-1$ |
| AtkHypertextCB_get_n_links = newCallback (AccessibleObject.class, "atkHypertext_get_n_links", 1); //$NON-NLS-1$ |
| AtkHypertextCB_get_link_index = newCallback (AccessibleObject.class, "atkHypertext_get_link_index", 2); //$NON-NLS-1$ |
| AtkObjectCB_get_name = newCallback (AccessibleObject.class, "atkObject_get_name", 1); //$NON-NLS-1$ |
| AtkObjectCB_get_description = newCallback (AccessibleObject.class, "atkObject_get_description", 1); //$NON-NLS-1$ |
| AtkObjectCB_get_n_children = newCallback (AccessibleObject.class, "atkObject_get_n_children", 1); //$NON-NLS-1$ |
| AtkObjectCB_get_role = newCallback (AccessibleObject.class, "atkObject_get_role", 1); //$NON-NLS-1$ |
| AtkObjectCB_get_parent = newCallback (AccessibleObject.class, "atkObject_get_parent", 1); //$NON-NLS-1$ |
| AtkObjectCB_ref_state_set = newCallback (AccessibleObject.class, "atkObject_ref_state_set", 1); //$NON-NLS-1$ |
| AtkObjectCB_get_index_in_parent = newCallback (AccessibleObject.class, "atkObject_get_index_in_parent", 1); //$NON-NLS-1$ |
| AtkObjectCB_ref_child = newCallback (AccessibleObject.class, "atkObject_ref_child", 2); //$NON-NLS-1$ |
| AtkSelectionCB_is_child_selected = newCallback (AccessibleObject.class, "atkSelection_is_child_selected", 2); //$NON-NLS-1$ |
| AtkSelectionCB_ref_selection = newCallback (AccessibleObject.class, "atkSelection_ref_selection", 2); //$NON-NLS-1$ |
| AtkTextCB_get_caret_offset = newCallback (AccessibleObject.class, "atkText_get_caret_offset", 1); //$NON-NLS-1$ |
| AtkTextCB_get_n_selections = newCallback (AccessibleObject.class, "atkText_get_n_selections", 1); //$NON-NLS-1$ |
| AtkTextCB_get_selection = newCallback (AccessibleObject.class, "atkText_get_selection", 4); //$NON-NLS-1$ |
| AtkTextCB_get_text = newCallback (AccessibleObject.class, "atkText_get_text", 3); //$NON-NLS-1$ |
| AtkTextCB_get_text_after_offset = newCallback (AccessibleObject.class, "atkText_get_text_after_offset", 5); //$NON-NLS-1$ |
| AtkTextCB_get_text_at_offset = newCallback ( AccessibleObject.class, "atkText_get_text_at_offset", 5); //$NON-NLS-1$ |
| AtkTextCB_get_text_before_offset = newCallback (AccessibleObject.class, "atkText_get_text_before_offset", 5); //$NON-NLS-1$ |
| AtkTextCB_get_character_at_offset = newCallback (AccessibleObject.class, "atkText_get_character_at_offset", 2); //$NON-NLS-1$ |
| AtkTextCB_get_character_count = newCallback (AccessibleObject.class, "atkText_get_character_count", 1); //$NON-NLS-1$ |
| GObjectClass_finalize = newCallback (AccessibleObject.class, "gObjectClass_finalize", 1); //$NON-NLS-1$ |
| GTypeInfo_base_init_type = newCallback (AccessibleFactory.class, "gTypeInfo_base_init_type", 1); //$NON-NLS-1$ |
| /* Action interface */ |
| InitActionIfaceCB = newCallback (AccessibleFactory.class, "initActionIfaceCB", 1); //$NON-NLS-1$ |
| GInterfaceInfo interfaceInfo = new GInterfaceInfo (); |
| interfaceInfo.interface_init = InitActionIfaceCB.getAddress (); |
| ActionIfaceDefinition = OS.g_malloc (GInterfaceInfo.sizeof); |
| OS.memmove (ActionIfaceDefinition, interfaceInfo, GInterfaceInfo.sizeof); |
| /* Component interface */ |
| InitComponentIfaceCB = newCallback (AccessibleFactory.class, "initComponentIfaceCB", 1); //$NON-NLS-1$ |
| interfaceInfo = new GInterfaceInfo (); |
| interfaceInfo.interface_init = InitComponentIfaceCB.getAddress (); |
| ComponentIfaceDefinition = OS.g_malloc (GInterfaceInfo.sizeof); |
| OS.memmove (ComponentIfaceDefinition, interfaceInfo, GInterfaceInfo.sizeof); |
| /* Hypertext interface */ |
| InitHypertextIfaceCB = newCallback (AccessibleFactory.class, "initHypertextIfaceCB", 1); //$NON-NLS-1$ |
| interfaceInfo = new GInterfaceInfo (); |
| interfaceInfo.interface_init = InitHypertextIfaceCB.getAddress (); |
| HypertextIfaceDefinition = OS.g_malloc (GInterfaceInfo.sizeof); |
| OS.memmove (HypertextIfaceDefinition, interfaceInfo, GInterfaceInfo.sizeof); |
| /* Selection interface */ |
| InitSelectionIfaceCB = newCallback (AccessibleFactory.class, "initSelectionIfaceCB", 1); //$NON-NLS-1$ |
| interfaceInfo = new GInterfaceInfo (); |
| interfaceInfo.interface_init = InitSelectionIfaceCB.getAddress (); |
| SelectionIfaceDefinition = OS.g_malloc (GInterfaceInfo.sizeof); |
| OS.memmove (SelectionIfaceDefinition, interfaceInfo, GInterfaceInfo.sizeof); |
| /* Text interface */ |
| InitTextIfaceCB = newCallback (AccessibleFactory.class, "initTextIfaceCB", 1); //$NON-NLS-1$ |
| interfaceInfo = new GInterfaceInfo (); |
| interfaceInfo.interface_init = InitTextIfaceCB.getAddress (); |
| TextIfaceDefinition = OS.g_malloc (GInterfaceInfo.sizeof); |
| OS.memmove (TextIfaceDefinition, interfaceInfo, GInterfaceInfo.sizeof); |
| } |
| |
| static private Callback newCallback (Object object, String method, int argCount) { |
| Callback callback = new Callback (object, method, argCount); |
| if (callback.getAddress () == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); |
| return callback; |
| } |
| |
| private AccessibleFactory (int /*long*/ widgetType) { |
| super (); |
| widgetTypeName = OS.g_type_name (widgetType); |
| int widgetTypeNameLength = OS.strlen (widgetTypeName) + 1; |
| byte[] buffer = new byte [widgetTypeNameLength]; |
| OS.memmove (buffer, widgetTypeName, widgetTypeNameLength); |
| byte[] factoryName = new byte [FACTORY_TYPENAME.length + widgetTypeNameLength - 1]; |
| System.arraycopy (FACTORY_TYPENAME, 0, factoryName, 0, FACTORY_TYPENAME.length); |
| System.arraycopy (buffer, 0, factoryName, FACTORY_TYPENAME.length - 1, widgetTypeNameLength); |
| if (OS.g_type_from_name (factoryName) == 0) { |
| /* register the factory */ |
| int /*long*/ registry = ATK.atk_get_default_registry (); |
| int /*long*/ previousFactory = ATK.atk_registry_get_factory (registry, widgetType); |
| objectParentType = ATK.atk_object_factory_get_accessible_type (previousFactory); |
| if (objectParentType == 0) objectParentType = DefaultParentType; |
| int /*long*/ factoryParentType = OS.g_type_from_name (FACTORY_PARENTTYPENAME); |
| gTypeInfo_base_init_factory = new Callback (this, "gTypeInfo_base_init_factory", 1); //$NON-NLS-1$ |
| int /*long*/ address = gTypeInfo_base_init_factory.getAddress (); |
| if (address == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); |
| GTypeInfo typeInfo = new GTypeInfo (); |
| typeInfo.base_init = address; |
| typeInfo.class_size = (short)ATK.AtkObjectFactoryClass_sizeof (); |
| typeInfo.instance_size = (short)ATK.AtkObjectFactory_sizeof (); |
| int /*long*/ info = OS.g_malloc (GTypeInfo.sizeof); |
| OS.memmove (info, typeInfo, GTypeInfo.sizeof); |
| int /*long*/ swtFactoryType = OS.g_type_register_static (factoryParentType, factoryName, info, 0); |
| ATK.atk_registry_set_factory_type (registry, widgetType, swtFactoryType); |
| handle = ATK.atk_registry_get_factory (registry, widgetType); |
| } |
| } |
| |
| void addAccessible (Accessible accessible) { |
| int /*long*/ controlHandle = accessible.getControlHandle (); |
| accessibles.put (new LONG (controlHandle), accessible); |
| ATK.atk_object_factory_create_accessible (handle, controlHandle); |
| } |
| |
| int /*long*/ atkObjectFactory_create_accessible (int /*long*/ widget) { |
| Accessible accessible = (Accessible) accessibles.get (new LONG (widget)); |
| if (accessible == null) { |
| /* |
| * we don't care about this control, so create it with the parent's |
| * type so that its accessibility callbacks will not pass though here |
| */ |
| int /*long*/ result = OS.g_object_new (objectParentType, 0); |
| ATK.atk_object_initialize (result, widget); |
| return result; |
| } |
| /* if an atk object has already been created for this widget then just return it */ |
| if (accessible.accessibleObject != null) { |
| return accessible.accessibleObject.handle; |
| } |
| int typeNameLength = OS.strlen (widgetTypeName); |
| byte[] buffer = new byte [typeNameLength]; |
| OS.memmove (buffer, widgetTypeName, typeNameLength); |
| int /*long*/ type = getType (buffer, accessible, objectParentType, ACC.CHILDID_SELF); |
| AccessibleObject object = new AccessibleObject (type, widget, accessible, objectParentType, false); |
| accessible.accessibleObject = object; |
| return object.handle; |
| } |
| |
| static int /*long*/ getChildType (Accessible accessible, int childIndex) { |
| return getType (CHILD_TYPENAME, accessible, DefaultParentType, childIndex); |
| } |
| |
| static int /*long*/ getDefaultParentType () { |
| return DefaultParentType; |
| } |
| |
| static int /*long*/ getType (byte[] widgetTypeName, Accessible accessible, int /*long*/ parentType, int childId) { |
| AccessibleControlEvent event = new AccessibleControlEvent (accessible); |
| event.childID = childId; |
| AccessibleControlListener[] listeners = accessible.getControlListeners (); |
| for (int i = 0; i < listeners.length; i++) { |
| listeners [i].getRole (event); |
| } |
| boolean action = false, hypertext = false, selection = false, text = false; |
| if (event.detail != 0) { /* a role was specified */ |
| for (int i = 0; i < actionRoles.length; i++) { |
| if (event.detail == actionRoles [i]) { |
| action = true; |
| break; |
| } |
| } |
| for (int i = 0; i < hypertextRoles.length; i++) { |
| if (event.detail == hypertextRoles [i]) { |
| hypertext = true; |
| break; |
| } |
| } |
| for (int i = 0; i < selectionRoles.length; i++) { |
| if (event.detail == selectionRoles [i]) { |
| selection = true; |
| break; |
| } |
| } |
| for (int i = 0; i < textRoles.length; i++) { |
| if (event.detail == textRoles [i]) { |
| text = true; |
| break; |
| } |
| } |
| } else { |
| action = hypertext = selection = text = true; |
| } |
| String swtTypeName = new String (SWT_TYPE_PREFIX); |
| swtTypeName += new String (widgetTypeName); |
| if (action) swtTypeName += "Action"; //$NON-NLS-1$ |
| if (hypertext) swtTypeName += "Hypertext"; //$NON-NLS-1$ |
| if (selection) swtTypeName += "Selection"; //$NON-NLS-1$ |
| if (text) swtTypeName += "Text"; //$NON-NLS-1$ |
| |
| int /*long*/ type = 0; |
| LONG typeInt = (LONG)Types.get (swtTypeName); |
| if (typeInt != null) { |
| type = typeInt.value; |
| } else { |
| /* define the type */ |
| int /*long*/ queryPtr = OS.g_malloc (GTypeQuery.sizeof); |
| OS.g_type_query (parentType, queryPtr); |
| GTypeQuery query = new GTypeQuery (); |
| OS.memmove (query, queryPtr, GTypeQuery.sizeof); |
| OS.g_free (queryPtr); |
| GTypeInfo typeInfo = new GTypeInfo (); |
| typeInfo.base_init = GTypeInfo_base_init_type.getAddress (); |
| typeInfo.class_size = (short) query.class_size; |
| typeInfo.instance_size = (short) query.instance_size; |
| ObjectIfaceDefinition = OS.g_malloc (GTypeInfo.sizeof); |
| OS.memmove (ObjectIfaceDefinition, typeInfo, GTypeInfo.sizeof); |
| byte[] nameBytes = Converter.wcsToMbcs(null, swtTypeName, true); |
| type = OS.g_type_register_static (parentType, nameBytes, ObjectIfaceDefinition, 0); |
| OS.g_type_add_interface_static (type, AccessibleObject.ATK_COMPONENT_TYPE, ComponentIfaceDefinition); |
| if (action) OS.g_type_add_interface_static (type, AccessibleObject.ATK_ACTION_TYPE, ActionIfaceDefinition); |
| if (hypertext) OS.g_type_add_interface_static (type, AccessibleObject.ATK_HYPERTEXT_TYPE, HypertextIfaceDefinition); |
| if (selection) OS.g_type_add_interface_static (type, AccessibleObject.ATK_SELECTION_TYPE, SelectionIfaceDefinition); |
| if (text) OS.g_type_add_interface_static (type, AccessibleObject.ATK_TEXT_TYPE, TextIfaceDefinition); |
| Types.put (swtTypeName, new LONG (type)); |
| } |
| return type; |
| } |
| |
| int /*long*/ gTypeInfo_base_init_factory (int /*long*/ klass) { |
| int /*long*/ atkObjectFactoryClass = ATK.ATK_OBJECT_FACTORY_CLASS (klass); |
| AtkObjectFactoryClass objectFactoryClassStruct = new AtkObjectFactoryClass (); |
| ATK.memmove (objectFactoryClassStruct, atkObjectFactoryClass); |
| atkObjectFactoryCB_create_accessible = new Callback (this, "atkObjectFactory_create_accessible", 1); //$NON-NLS-1$ |
| int /*long*/ address = atkObjectFactoryCB_create_accessible.getAddress (); |
| if (address == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); |
| objectFactoryClassStruct.create_accessible = address; |
| ATK.memmove (atkObjectFactoryClass, objectFactoryClassStruct); |
| return 0; |
| } |
| |
| static int /*long*/ gTypeInfo_base_init_type (int /*long*/ klass) { |
| AtkObjectClass objectClass = new AtkObjectClass (); |
| ATK.memmove (objectClass, klass); |
| objectClass.get_name = AtkObjectCB_get_name.getAddress (); |
| objectClass.get_description = AtkObjectCB_get_description.getAddress (); |
| objectClass.get_n_children = AtkObjectCB_get_n_children.getAddress (); |
| objectClass.get_role = AtkObjectCB_get_role.getAddress (); |
| objectClass.get_parent = AtkObjectCB_get_parent.getAddress (); |
| objectClass.ref_state_set = AtkObjectCB_ref_state_set.getAddress (); |
| objectClass.get_index_in_parent = AtkObjectCB_get_index_in_parent.getAddress (); |
| objectClass.ref_child = AtkObjectCB_ref_child.getAddress (); |
| int /*long*/ gObjectClass = OS.G_OBJECT_CLASS (klass); |
| GObjectClass objectClassStruct = new GObjectClass (); |
| OS.memmove (objectClassStruct, gObjectClass); |
| objectClassStruct.finalize = GObjectClass_finalize.getAddress (); |
| OS.memmove (gObjectClass, objectClassStruct); |
| ATK.memmove (klass, objectClass); |
| return 0; |
| } |
| |
| static int /*long*/ initActionIfaceCB (int /*long*/ iface) { |
| AtkActionIface actionIface = new AtkActionIface (); |
| ATK.memmove (actionIface, iface); |
| actionIface.get_keybinding = AtkActionCB_get_keybinding.getAddress (); |
| actionIface.get_name = AtkActionCB_get_name.getAddress (); |
| ATK.memmove (iface, actionIface); |
| return 0; |
| } |
| |
| static int /*long*/ initComponentIfaceCB (int /*long*/ iface) { |
| AtkComponentIface componentIface = new AtkComponentIface (); |
| ATK.memmove (componentIface, iface); |
| componentIface.get_extents = AtkComponentCB_get_extents.getAddress (); |
| componentIface.get_position = AtkComponentCB_get_position.getAddress (); |
| componentIface.get_size = AtkComponentCB_get_size.getAddress (); |
| componentIface.ref_accessible_at_point = AtkComponentCB_ref_accessible_at_point.getAddress (); |
| ATK.memmove (iface, componentIface); |
| return 0; |
| } |
| |
| static int /*long*/ initHypertextIfaceCB (int /*long*/ iface) { |
| AtkHypertextIface hypertextIface = new AtkHypertextIface (); |
| ATK.memmove (hypertextIface, iface); |
| hypertextIface.get_link = AtkHypertextCB_get_link.getAddress (); |
| hypertextIface.get_link_index = AtkHypertextCB_get_link_index.getAddress (); |
| hypertextIface.get_n_links = AtkHypertextCB_get_n_links.getAddress (); |
| ATK.memmove (iface, hypertextIface); |
| return 0; |
| } |
| |
| static int /*long*/ initSelectionIfaceCB (int /*long*/ iface) { |
| AtkSelectionIface selectionIface = new AtkSelectionIface (); |
| ATK.memmove (selectionIface, iface); |
| selectionIface.is_child_selected = AtkSelectionCB_is_child_selected.getAddress (); |
| selectionIface.ref_selection = AtkSelectionCB_ref_selection.getAddress (); |
| ATK.memmove (iface, selectionIface); |
| return 0; |
| } |
| |
| static int /*long*/ initTextIfaceCB (int /*long*/ iface) { |
| AtkTextIface textInterface = new AtkTextIface (); |
| ATK.memmove (textInterface, iface); |
| textInterface.get_caret_offset = AtkTextCB_get_caret_offset.getAddress (); |
| textInterface.get_character_at_offset = AtkTextCB_get_character_at_offset.getAddress (); |
| textInterface.get_character_count = AtkTextCB_get_character_count.getAddress (); |
| textInterface.get_n_selections = AtkTextCB_get_n_selections.getAddress (); |
| textInterface.get_selection = AtkTextCB_get_selection.getAddress (); |
| textInterface.get_text = AtkTextCB_get_text.getAddress (); |
| textInterface.get_text_after_offset = AtkTextCB_get_text_after_offset.getAddress (); |
| textInterface.get_text_at_offset = AtkTextCB_get_text_at_offset.getAddress (); |
| textInterface.get_text_before_offset = AtkTextCB_get_text_before_offset.getAddress (); |
| ATK.memmove (iface, textInterface); |
| return 0; |
| } |
| |
| static void registerAccessible (Accessible accessible) { |
| /* If DefaultParentType is 0 then OS accessibility is not active */ |
| if (DefaultParentType == 0) return; |
| int /*long*/ controlHandle = accessible.getControlHandle (); |
| int /*long*/ widgetType = OS.G_OBJECT_TYPE (controlHandle); |
| AccessibleFactory factory = (AccessibleFactory) Factories.get (new LONG (widgetType)); |
| if (factory == null) { |
| factory = new AccessibleFactory (widgetType); |
| Factories.put (new LONG (widgetType), factory); |
| } |
| factory.addAccessible (accessible); |
| } |
| |
| void removeAccessible (Accessible accessible) { |
| accessibles.remove (new LONG (accessible.getControlHandle ())); |
| } |
| |
| static void unregisterAccessible (Accessible accessible) { |
| int /*long*/ controlHandle = accessible.getControlHandle (); |
| int /*long*/ widgetType = OS.G_OBJECT_TYPE (controlHandle); |
| AccessibleFactory factory = (AccessibleFactory) Factories.get (new LONG (widgetType)); |
| if (factory != null) { |
| factory.removeAccessible (accessible); |
| } |
| } |
| } |
