/******************************************************************************* * Copyright (c) 2000, 2013 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.*; @SuppressWarnings({"rawtypes", "unchecked"}) class AccessibleFactory { static final Hashtable Accessibles = new Hashtable (9); static final Hashtable Factories = new Hashtable (9); static final String SWT_TYPE_PREFIX = "SWTAccessible"; //$NON-NLS-1$ static final String CHILD_TYPENAME = "Child"; //$NON-NLS-1$ static final String FACTORY_TYPENAME = "SWTFactory"; //$NON-NLS-1$ 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, ACC.ROLE_SPINBUTTON, ACC.ROLE_CHECKMENUITEM, ACC.ROLE_RADIOMENUITEM, }; static final int[] editableTextRoles = { ACC.ROLE_TEXT, ACC.ROLE_COMBOBOX, ACC.ROLE_PARAGRAPH, ACC.ROLE_DOCUMENT, }; static final int[] hypertextRoles = { ACC.ROLE_TEXT, ACC.ROLE_LINK, ACC.ROLE_PARAGRAPH, }; 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, ACC.ROLE_STATUSBAR, ACC.ROLE_PARAGRAPH, ACC.ROLE_DOCUMENT, }; static final int[] tableRoles = { ACC.ROLE_TABLE, ACC.ROLE_TREE, }; static final int[] valueRoles = { ACC.ROLE_SCROLLBAR, ACC.ROLE_SPINBUTTON, ACC.ROLE_PROGRESSBAR, }; /* Action callbacks */ static final Callback AtkActionCB_do_action; static final Callback AtkActionCB_get_n_actions; static final Callback AtkActionCB_get_description; static final Callback AtkActionCB_get_keybinding; static final Callback AtkActionCB_get_name; /* Component callbacks */ 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; /* EditableText callbacks */ static final Callback AtkEditableTextCB_set_run_attributes; static final Callback AtkEditableTextCB_set_text_contents; static final Callback AtkEditableTextCB_insert_text; static final Callback AtkEditableTextCB_copy_text; static final Callback AtkEditableTextCB_cut_text; static final Callback AtkEditableTextCB_delete_text; static final Callback AtkEditableTextCB_paste_text; /* Hypertext callbacks */ static final Callback AtkHypertextCB_get_link; static final Callback AtkHypertextCB_get_n_links; static final Callback AtkHypertextCB_get_link_index; /* Object callbacks */ 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 AtkObjectCB_get_attributes; /* Selection callbacks */ static final Callback AtkSelectionCB_is_child_selected; static final Callback AtkSelectionCB_ref_selection; /* Table callbacks */ static final Callback AtkTableCB_ref_at; static final Callback AtkTableCB_get_index_at; static final Callback AtkTableCB_get_column_at_index; static final Callback AtkTableCB_get_row_at_index; static final Callback AtkTableCB_get_n_columns; static final Callback AtkTableCB_get_n_rows; static final Callback AtkTableCB_get_column_extent_at; static final Callback AtkTableCB_get_row_extent_at; static final Callback AtkTableCB_get_summary; static final Callback AtkTableCB_get_caption; static final Callback AtkTableCB_get_column_description; static final Callback AtkTableCB_get_row_description; static final Callback AtkTableCB_get_column_header; static final Callback AtkTableCB_get_row_header; static final Callback AtkTableCB_get_selected_columns; static final Callback AtkTableCB_get_selected_rows; static final Callback AtkTableCB_is_column_selected; static final Callback AtkTableCB_is_row_selected; static final Callback AtkTableCB_is_selected; static final Callback AtkTableCB_add_column_selection; static final Callback AtkTableCB_add_row_selection; static final Callback AtkTableCB_remove_column_selection; static final Callback AtkTableCB_remove_row_selection; /* Text callbacks */ static final Callback AtkTextCB_get_character_extents; static final Callback AtkTextCB_get_range_extents; static final Callback AtkTextCB_get_run_attributes; static final Callback AtkTextCB_get_offset_at_point; static final Callback AtkTextCB_add_selection; static final Callback AtkTextCB_remove_selection; static final Callback AtkTextCB_set_selection; static final Callback AtkTextCB_get_caret_offset; static final Callback AtkTextCB_set_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 AtkTextCB_get_bounded_ranges; /* Value callbacks */ static final Callback AtkValueCB_get_current_value; static final Callback AtkValueCB_get_maximum_value; static final Callback AtkValueCB_get_minimum_value; static final Callback AtkValueCB_set_current_value; static final Callback GObjectClass_finalize; static final Callback AtkObjectFactoryCB_create_accessible; /* interface initialization callbacks */ static final Callback InitActionIfaceCB; static final Callback InitComponentIfaceCB; static final Callback InitEditableTextIfaceCB; static final Callback InitHypertextIfaceCB; static final Callback GTypeInfo_base_init_type; static final Callback InitSelectionIfaceCB; static final Callback InitTableIfaceCB; static final Callback InitTextIfaceCB; static final Callback InitValueIfaceCB; static final Callback GTypeInfo_base_init_factory; /* interface definitions */ static final long /*int*/ ActionIfaceDefinition; static final long /*int*/ ComponentIfaceDefinition; static final long /*int*/ EditableTextIfaceDefinition; static final long /*int*/ HypertextIfaceDefinition; static final long /*int*/ SelectionIfaceDefinition; static final long /*int*/ TableIfaceDefinition; static final long /*int*/ TextIfaceDefinition; static final long /*int*/ ValueIfaceDefinition; static { AtkActionCB_do_action = newCallback (AccessibleObject.class, "atkAction_do_action", 2); //$NON-NLS-1$ AtkActionCB_get_n_actions = newCallback (AccessibleObject.class, "atkAction_get_n_actions", 1); //$NON-NLS-1$ AtkActionCB_get_description = newCallback (AccessibleObject.class, "atkAction_get_description", 2); //$NON-NLS-1$ 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); //$NON-NLS-1$ AtkEditableTextCB_set_run_attributes = newCallback (AccessibleObject.class, "atkEditableText_set_run_attributes", 4); //$NON-NLS-1$ AtkEditableTextCB_set_text_contents = newCallback (AccessibleObject.class, "atkEditableText_set_text_contents", 2); //$NON-NLS-1$ AtkEditableTextCB_insert_text = newCallback (AccessibleObject.class, "atkEditableText_insert_text", 4); //$NON-NLS-1$ AtkEditableTextCB_copy_text = newCallback (AccessibleObject.class, "atkEditableText_copy_text", 3); //$NON-NLS-1$ AtkEditableTextCB_cut_text = newCallback (AccessibleObject.class, "atkEditableText_cut_text", 3); //$NON-NLS-1$ AtkEditableTextCB_delete_text = newCallback (AccessibleObject.class, "atkEditableText_delete_text", 3); //$NON-NLS-1$ AtkEditableTextCB_paste_text = newCallback (AccessibleObject.class, "atkEditableText_paste_text", 2); //$NON-NLS-1$ 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); //$NON-NLS-1$ AtkObjectCB_get_attributes = newCallback (AccessibleObject.class, "atkObject_get_attributes", 1); //$NON-NLS-1$ 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); //$NON-NLS-1$ AtkTableCB_ref_at = newCallback (AccessibleObject.class, "atkTable_ref_at", 3); //$NON-NLS-1$ AtkTableCB_get_index_at = newCallback (AccessibleObject.class, "atkTable_get_index_at", 3); //$NON-NLS-1$ AtkTableCB_get_column_at_index = newCallback (AccessibleObject.class, "atkTable_get_column_at_index", 2); //$NON-NLS-1$ AtkTableCB_get_row_at_index = newCallback (AccessibleObject.class, "atkTable_get_row_at_index", 2); //$NON-NLS-1$ AtkTableCB_get_n_columns = newCallback (AccessibleObject.class, "atkTable_get_n_columns", 1); //$NON-NLS-1$ AtkTableCB_get_n_rows = newCallback (AccessibleObject.class, "atkTable_get_n_rows", 1); //$NON-NLS-1$ AtkTableCB_get_column_extent_at = newCallback (AccessibleObject.class, "atkTable_get_column_extent_at", 3); //$NON-NLS-1$ AtkTableCB_get_row_extent_at = newCallback (AccessibleObject.class, "atkTable_get_row_extent_at", 3); //$NON-NLS-1$ AtkTableCB_get_caption = newCallback (AccessibleObject.class, "atkTable_get_caption", 1); //$NON-NLS-1$ AtkTableCB_get_summary = newCallback (AccessibleObject.class, "atkTable_get_summary", 1); //$NON-NLS-1$ AtkTableCB_get_column_description = newCallback (AccessibleObject.class, "atkTable_get_column_description", 2); //$NON-NLS-1$ AtkTableCB_get_row_description = newCallback (AccessibleObject.class, "atkTable_get_row_description", 2); //$NON-NLS-1$ AtkTableCB_get_column_header = newCallback (AccessibleObject.class, "atkTable_get_column_header", 2); //$NON-NLS-1$ AtkTableCB_get_row_header = newCallback (AccessibleObject.class, "atkTable_get_row_header", 2); //$NON-NLS-1$ AtkTableCB_get_selected_columns = newCallback (AccessibleObject.class, "atkTable_get_selected_columns", 2); //$NON-NLS-1$ AtkTableCB_get_selected_rows = newCallback (AccessibleObject.class, "atkTable_get_selected_rows", 2); //$NON-NLS-1$ AtkTableCB_is_column_selected = newCallback (AccessibleObject.class, "atkTable_is_column_selected", 2); //$NON-NLS-1$ AtkTableCB_is_row_selected = newCallback (AccessibleObject.class, "atkTable_is_row_selected", 2); //$NON-NLS-1$ AtkTableCB_is_selected = newCallback (AccessibleObject.class, "atkTable_is_selected", 3); //$NON-NLS-1$ AtkTableCB_add_column_selection = newCallback (AccessibleObject.class, "atkTable_add_column_selection", 2); //$NON-NLS-1$ AtkTableCB_add_row_selection = newCallback (AccessibleObject.class, "atkTable_add_row_selection", 2); //$NON-NLS-1$ AtkTableCB_remove_column_selection = newCallback (AccessibleObject.class, "atkTable_remove_column_selection", 2); //$NON-NLS-1$ AtkTableCB_remove_row_selection = newCallback (AccessibleObject.class, "atkTable_remove_row_selection", 2); //$NON-NLS-1$ AtkTextCB_get_character_extents = newCallback (AccessibleObject.class, "atkText_get_character_extents", 7); //$NON-NLS-1$ AtkTextCB_get_range_extents = newCallback (AccessibleObject.class, "atkText_get_range_extents", 5); //$NON-NLS-1$ AtkTextCB_get_run_attributes = newCallback (AccessibleObject.class, "atkText_get_run_attributes", 4); //$NON-NLS-1$ AtkTextCB_get_offset_at_point = newCallback (AccessibleObject.class, "atkText_get_offset_at_point", 4); //$NON-NLS-1$ AtkTextCB_add_selection = newCallback (AccessibleObject.class, "atkText_add_selection", 3); //$NON-NLS-1$ AtkTextCB_remove_selection = newCallback (AccessibleObject.class, "atkText_remove_selection", 2); //$NON-NLS-1$ AtkTextCB_set_selection = newCallback (AccessibleObject.class, "atkText_set_selection", 4); //$NON-NLS-1$ AtkTextCB_get_caret_offset = newCallback (AccessibleObject.class, "atkText_get_caret_offset", 1); //$NON-NLS-1$ AtkTextCB_set_caret_offset = newCallback (AccessibleObject.class, "atkText_set_caret_offset", 2); //$NON-NLS-1$ 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); //$NON-NLS-1$ AtkTextCB_get_bounded_ranges = newCallback (AccessibleObject.class, "atkText_get_bounded_ranges", 5); //$NON-NLS-1$ AtkValueCB_get_current_value = newCallback (AccessibleObject.class, "atkValue_get_current_value", 2); //$NON-NLS-1$ AtkValueCB_get_maximum_value = newCallback (AccessibleObject.class, "atkValue_get_maximum_value", 2); //$NON-NLS-1$ AtkValueCB_get_minimum_value = newCallback (AccessibleObject.class, "atkValue_get_minimum_value", 2); //$NON-NLS-1$ AtkValueCB_set_current_value = newCallback (AccessibleObject.class, "atkValue_set_current_value", 2); //$NON-NLS-1$ GObjectClass_finalize = newCallback (AccessibleObject.class, "gObjectClass_finalize", 1); //$NON-NLS-1$ GTypeInfo_base_init_type = newCallback (AccessibleFactory.class, "gTypeInfo_base_init_type", 1); //$NON-NLS-1$ GTypeInfo_base_init_factory = newCallback (AccessibleFactory.class, "gTypeInfo_base_init_factory", 1); //$NON-NLS-1$ AtkObjectFactoryCB_create_accessible = newCallback (AccessibleFactory.class, "atkObjectFactory_create_accessible", 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); /* EditableText interface */ InitEditableTextIfaceCB = newCallback (AccessibleFactory.class, "initEditableTextIfaceCB", 1); //$NON-NLS-1$ interfaceInfo = new GInterfaceInfo (); interfaceInfo.interface_init = InitEditableTextIfaceCB.getAddress (); EditableTextIfaceDefinition = OS.g_malloc (GInterfaceInfo.sizeof); OS.memmove (EditableTextIfaceDefinition, 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 */ InitTableIfaceCB = newCallback (AccessibleFactory.class, "initTableIfaceCB", 1); //$NON-NLS-1$ interfaceInfo = new GInterfaceInfo (); interfaceInfo.interface_init = InitTableIfaceCB.getAddress (); TableIfaceDefinition = OS.g_malloc (GInterfaceInfo.sizeof); OS.memmove (TableIfaceDefinition, 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); /* Value interface */ InitValueIfaceCB = newCallback (AccessibleFactory.class, "initValueIfaceCB", 1); //$NON-NLS-1$ interfaceInfo = new GInterfaceInfo (); interfaceInfo.interface_init = InitValueIfaceCB.getAddress (); ValueIfaceDefinition = OS.g_malloc (GInterfaceInfo.sizeof); OS.memmove (ValueIfaceDefinition, 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; } static String getTypeName (long /*int*/ type) { long /*int*/ typeName = OS.g_type_name (type); int widgetTypeNameLength = OS.strlen (typeName); byte[] buffer = new byte [widgetTypeNameLength]; OS.memmove (buffer, typeName, widgetTypeNameLength); return new String(Converter.mbcsToWcs(null, buffer)); } static long /*int*/ getParentType (long /*int*/ widgetType) { LONG type = null; while (widgetType != 0 && (type = (LONG)Factories.get(new LONG(widgetType))) == null) { widgetType = OS.g_type_parent (widgetType); } if (type == null) return 0; return ((LONG)type).value; } static long /*int*/ atkObjectFactory_create_accessible (long /*int*/ 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 */ long /*int*/ result = OS.g_object_new (getParentType(OS.G_OBJECT_TYPE (widget)), 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; } long /*int*/ widgetType = OS.G_OBJECT_TYPE (widget); long /*int*/ parentType = getParentType (widgetType); if (parentType == 0) parentType = ATK.GTK_TYPE_ACCESSIBLE(); long /*int*/ type = getType (getTypeName(widgetType), accessible, parentType, ACC.CHILDID_SELF); AccessibleObject object = new AccessibleObject (type, widget, accessible, false); accessible.accessibleObject = object; accessible.addRelations (); return object.handle; } static AccessibleObject createChildAccessible (Accessible accessible, int childId) { long /*int*/ childType = getType (CHILD_TYPENAME, accessible, ATK.GTK_TYPE_ACCESSIBLE(), childId); return new AccessibleObject(childType, 0, accessible, true); } static void createAccessible (Accessible accessible) { long /*int*/ controlHandle = accessible.getControlHandle (); OS.gtk_widget_get_accessible(controlHandle); } static long /*int*/ getType (String widgetTypeName, Accessible accessible, long /*int*/ parentType, int childId) { AccessibleControlEvent event = new AccessibleControlEvent (accessible); event.childID = childId; Vector listeners = accessible.accessibleControlListeners; for (int i = 0, length = listeners == null ? 0 : listeners.size(); i < length; i++) { AccessibleControlListener listener = (AccessibleControlListener)listeners.elementAt (i); listener.getRole (event); } boolean action = false, editableText = false, hypertext = false, selection = false, table = false, text = false, value = 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 < editableTextRoles.length; i++) { if (event.detail == editableTextRoles [i]) { editableText = 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 < tableRoles.length; i++) { if (event.detail == tableRoles [i]) { table = true; break; } } for (int i = 0; i < textRoles.length; i++) { if (event.detail == textRoles [i]) { text = true; break; } } for (int i = 0; i < valueRoles.length; i++) { if (event.detail == valueRoles [i]) { value = true; break; } } } else { action = editableText = hypertext = selection = table = text = value = true; } String swtTypeName = SWT_TYPE_PREFIX + widgetTypeName; if (action) swtTypeName += "Action"; //$NON-NLS-1$ if (editableText) swtTypeName += "EditableText"; //$NON-NLS-1$ if (hypertext) swtTypeName += "Hypertext"; //$NON-NLS-1$ if (selection) swtTypeName += "Selection"; //$NON-NLS-1$ if (table) swtTypeName += "Table"; //$NON-NLS-1$ if (text) swtTypeName += "Text"; //$NON-NLS-1$ if (value) swtTypeName += "Value"; //$NON-NLS-1$ byte[] nameBytes = Converter.wcsToMbcs(null, swtTypeName, true); long /*int*/ type = OS.g_type_from_name(nameBytes); if (type == 0) { if (AccessibleObject.DEBUG) AccessibleObject.print("-->New Type=" + swtTypeName); //$NON-NLS-1$ /* define the type */ long /*int*/ 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; long /*int*/ definition = OS.g_malloc (GTypeInfo.sizeof); OS.memmove (definition, typeInfo, GTypeInfo.sizeof); type = OS.g_type_register_static (parentType, nameBytes, definition, 0); OS.g_type_add_interface_static (type, ATK.ATK_TYPE_COMPONENT(), ComponentIfaceDefinition); if (action) OS.g_type_add_interface_static (type, ATK.ATK_TYPE_ACTION(), ActionIfaceDefinition); if (editableText) OS.g_type_add_interface_static (type, ATK.ATK_TYPE_EDITABLE_TEXT(), EditableTextIfaceDefinition); if (hypertext) OS.g_type_add_interface_static (type, ATK.ATK_TYPE_HYPERTEXT(), HypertextIfaceDefinition); if (selection) OS.g_type_add_interface_static (type, ATK.ATK_TYPE_SELECTION(), SelectionIfaceDefinition); if (table) OS.g_type_add_interface_static (type, ATK.ATK_TYPE_TABLE(), TableIfaceDefinition); if (text) OS.g_type_add_interface_static (type, ATK.ATK_TYPE_TEXT(), TextIfaceDefinition); if (value) OS.g_type_add_interface_static (type, ATK.ATK_TYPE_VALUE(), ValueIfaceDefinition); } return type; } static long /*int*/ gTypeInfo_base_init_factory (long /*int*/ klass) { AtkObjectFactoryClass objectClass = new AtkObjectFactoryClass (); ATK.memmove (objectClass, klass); objectClass.create_accessible = AtkObjectFactoryCB_create_accessible.getAddress (); ATK.memmove (klass, objectClass); return 0; } static long /*int*/ gTypeInfo_base_init_type (long /*int*/ 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 (); objectClass.get_attributes = AtkObjectCB_get_attributes.getAddress (); long /*int*/ 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 long /*int*/ initActionIfaceCB (long /*int*/ iface) { AtkActionIface inter = new AtkActionIface (); ATK.memmove (inter, iface); inter.do_action = AtkActionCB_do_action.getAddress (); inter.get_n_actions = AtkActionCB_get_n_actions.getAddress (); inter.get_description = AtkActionCB_get_description.getAddress (); inter.get_keybinding = AtkActionCB_get_keybinding.getAddress (); inter.get_name = AtkActionCB_get_name.getAddress (); ATK.memmove (iface, inter); return 0; } static long /*int*/ initComponentIfaceCB (long /*int*/ iface) { AtkComponentIface inter = new AtkComponentIface (); ATK.memmove (inter, iface); inter.get_extents = AtkComponentCB_get_extents.getAddress (); inter.get_position = AtkComponentCB_get_position.getAddress (); inter.get_size = AtkComponentCB_get_size.getAddress (); inter.ref_accessible_at_point = AtkComponentCB_ref_accessible_at_point.getAddress (); ATK.memmove (iface, inter); return 0; } static long /*int*/ initEditableTextIfaceCB (long /*int*/ iface) { AtkEditableTextIface inter = new AtkEditableTextIface (); ATK.memmove (inter, iface); inter.set_run_attributes = AtkEditableTextCB_set_run_attributes.getAddress (); inter.set_text_contents = AtkEditableTextCB_set_text_contents.getAddress (); inter.insert_text = AtkEditableTextCB_insert_text.getAddress (); inter.copy_text = AtkEditableTextCB_copy_text.getAddress (); inter.cut_text = AtkEditableTextCB_cut_text.getAddress (); inter.delete_text = AtkEditableTextCB_delete_text.getAddress (); inter.paste_text = AtkEditableTextCB_paste_text.getAddress (); ATK.memmove (iface, inter); return 0; } static long /*int*/ initHypertextIfaceCB (long /*int*/ iface) { AtkHypertextIface inter = new AtkHypertextIface (); ATK.memmove (inter, iface); inter.get_link = AtkHypertextCB_get_link.getAddress (); inter.get_link_index = AtkHypertextCB_get_link_index.getAddress (); inter.get_n_links = AtkHypertextCB_get_n_links.getAddress (); ATK.memmove (iface, inter); return 0; } static long /*int*/ initSelectionIfaceCB (long /*int*/ iface) { AtkSelectionIface inter = new AtkSelectionIface (); ATK.memmove (inter, iface); inter.is_child_selected = AtkSelectionCB_is_child_selected.getAddress (); inter.ref_selection = AtkSelectionCB_ref_selection.getAddress (); ATK.memmove (iface, inter); return 0; } static long /*int*/ initTableIfaceCB (long /*int*/ iface) { AtkTableIface inter = new AtkTableIface (); ATK.memmove (inter, iface); inter.ref_at = AtkTableCB_ref_at.getAddress(); inter.get_index_at = AtkTableCB_get_index_at.getAddress(); inter.get_column_at_index = AtkTableCB_get_column_at_index.getAddress(); inter.get_row_at_index = AtkTableCB_get_row_at_index.getAddress(); inter.get_n_columns = AtkTableCB_get_n_columns.getAddress(); inter.get_n_rows = AtkTableCB_get_n_rows.getAddress(); inter.get_column_extent_at = AtkTableCB_get_column_extent_at.getAddress(); inter.get_row_extent_at = AtkTableCB_get_row_extent_at.getAddress(); inter.get_caption = AtkTableCB_get_caption.getAddress(); inter.get_summary = AtkTableCB_get_summary.getAddress(); inter.get_column_description = AtkTableCB_get_column_description.getAddress(); inter.get_row_description = AtkTableCB_get_row_description.getAddress(); inter.get_column_header = AtkTableCB_get_column_header.getAddress(); inter.get_row_header = AtkTableCB_get_row_header.getAddress(); inter.get_selected_columns = AtkTableCB_get_selected_columns.getAddress(); inter.get_selected_rows = AtkTableCB_get_selected_rows.getAddress(); inter.is_column_selected = AtkTableCB_is_column_selected.getAddress(); inter.is_row_selected = AtkTableCB_is_row_selected.getAddress(); inter.is_selected = AtkTableCB_is_selected.getAddress(); inter.add_column_selection = AtkTableCB_add_column_selection.getAddress(); inter.add_row_selection = AtkTableCB_add_row_selection.getAddress(); inter.remove_column_selection = AtkTableCB_remove_column_selection.getAddress(); inter.remove_row_selection = AtkTableCB_remove_row_selection.getAddress(); ATK.memmove (iface, inter); return 0; } static long /*int*/ initTextIfaceCB (long /*int*/ iface) { AtkTextIface inter = new AtkTextIface (); ATK.memmove (inter, iface); inter.get_range_extents = AtkTextCB_get_range_extents.getAddress (); inter.get_character_extents = AtkTextCB_get_character_extents.getAddress (); inter.get_run_attributes= AtkTextCB_get_run_attributes.getAddress (); inter.get_offset_at_point = AtkTextCB_get_offset_at_point.getAddress (); inter.add_selection = AtkTextCB_add_selection.getAddress (); inter.remove_selection = AtkTextCB_remove_selection.getAddress (); inter.set_selection = AtkTextCB_set_selection.getAddress (); inter.get_caret_offset = AtkTextCB_get_caret_offset.getAddress (); inter.set_caret_offset = AtkTextCB_set_caret_offset.getAddress (); inter.get_character_at_offset = AtkTextCB_get_character_at_offset.getAddress (); inter.get_character_count = AtkTextCB_get_character_count.getAddress (); inter.get_n_selections = AtkTextCB_get_n_selections.getAddress (); inter.get_selection = AtkTextCB_get_selection.getAddress (); inter.get_text = AtkTextCB_get_text.getAddress (); inter.get_text_after_offset = AtkTextCB_get_text_after_offset.getAddress (); inter.get_text_at_offset = AtkTextCB_get_text_at_offset.getAddress (); inter.get_text_before_offset = AtkTextCB_get_text_before_offset.getAddress (); inter.get_bounded_ranges = AtkTextCB_get_bounded_ranges.getAddress (); ATK.memmove (iface, inter); return 0; } static long /*int*/ initValueIfaceCB (long /*int*/ iface) { AtkValueIface inter = new AtkValueIface (); ATK.memmove (inter, iface); inter.get_current_value = AtkValueCB_get_current_value.getAddress (); inter.get_maximum_value = AtkValueCB_get_maximum_value.getAddress (); inter.get_minimum_value = AtkValueCB_get_minimum_value.getAddress (); inter.set_current_value = AtkValueCB_set_current_value.getAddress (); ATK.memmove (iface, inter); return 0; } static void registerAccessible (Accessible accessible) { long /*int*/ widget = accessible.getControlHandle (); long /*int*/ widgetType = OS.G_OBJECT_TYPE (widget); long /*int*/ registry = ATK.atk_get_default_registry (); long /*int*/ factory = ATK.atk_registry_get_factory (registry, widgetType); /* If NO_OP factory is registered then OS accessibility is not active */ if (ATK.ATK_IS_NO_OP_OBJECT_FACTORY(factory)) return; String name = FACTORY_TYPENAME + getTypeName(widgetType); byte[] factoryName = Converter.wcsToMbcs(null, name, true); if (OS.g_type_from_name (factoryName) == 0) { if (AccessibleObject.DEBUG) AccessibleObject.print("-->New Factory=" + name); //$NON-NLS-1$ /* register the factory */ GTypeInfo typeInfo = new GTypeInfo (); typeInfo.base_init = GTypeInfo_base_init_factory.getAddress (); typeInfo.class_size = (short)ATK.AtkObjectFactoryClass_sizeof (); typeInfo.instance_size = (short)ATK.AtkObjectFactory_sizeof (); long /*int*/ info = OS.g_malloc (GTypeInfo.sizeof); OS.memmove (info, typeInfo, GTypeInfo.sizeof); long /*int*/ swtFactoryType = OS.g_type_register_static (ATK.ATK_TYPE_OBJECT_FACTORY(), factoryName, info, 0); long /*int*/ parentType = ATK.atk_object_factory_get_accessible_type(factory); ATK.atk_registry_set_factory_type (registry, widgetType, swtFactoryType); Factories.put (new LONG (widgetType), new LONG (parentType)); } if (AccessibleObject.DEBUG) AccessibleObject.print("-->Register=" + accessible.control + " " + widget); //$NON-NLS-1$ Accessibles.put (new LONG (widget), accessible); } static void unregisterAccessible (Accessible accessible) { long /*int*/ widget = accessible.getControlHandle (); Accessibles.remove (new LONG (widget)); if (AccessibleObject.DEBUG) AccessibleObject.print("-->Deregister=" + accessible.control + " " + widget); //$NON-NLS-1$ } }