forked from AuroraMiddleware/gtk
349 lines
8.6 KiB
C
349 lines
8.6 KiB
C
/* gtkatspiutils.c: Shared utilities for ATSPI
|
|
*
|
|
* Copyright 2020 GNOME Foundation
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1-or-later
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "gtkatspiutilsprivate.h"
|
|
|
|
#include "gtkenums.h"
|
|
#include "gtkpasswordentry.h"
|
|
#include "gtkscrolledwindow.h"
|
|
|
|
/*< private >
|
|
* gtk_accessible_role_to_atspi_role:
|
|
* @role: a #GtkAccessibleRole
|
|
*
|
|
* Converts a #GtkAccessibleRole value to the equivalent ATSPI role.
|
|
*
|
|
* Returns: an #AtspiRole
|
|
*/
|
|
static AtspiRole
|
|
gtk_accessible_role_to_atspi_role (GtkAccessibleRole role)
|
|
{
|
|
switch (role)
|
|
{
|
|
case GTK_ACCESSIBLE_ROLE_ALERT:
|
|
return ATSPI_ROLE_ALERT;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_ALERT_DIALOG:
|
|
return ATSPI_ROLE_DIALOG;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_BANNER:
|
|
break;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_BUTTON:
|
|
return ATSPI_ROLE_PUSH_BUTTON;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_CAPTION:
|
|
return ATSPI_ROLE_CAPTION;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_CELL:
|
|
return ATSPI_ROLE_TABLE_CELL;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_CHECKBOX:
|
|
return ATSPI_ROLE_CHECK_BOX;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_COLUMN_HEADER:
|
|
break;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_COMBO_BOX:
|
|
return ATSPI_ROLE_COMBO_BOX;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_COMMAND:
|
|
break;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_COMPOSITE:
|
|
break;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_DIALOG:
|
|
return ATSPI_ROLE_DIALOG;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_DOCUMENT:
|
|
return ATSPI_ROLE_DOCUMENT_TEXT;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_FEED:
|
|
break;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_FORM:
|
|
return ATSPI_ROLE_FORM;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_GENERIC:
|
|
break;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_GRID:
|
|
return ATSPI_ROLE_TABLE;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_GRID_CELL:
|
|
return ATSPI_ROLE_TABLE_CELL;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_GROUP:
|
|
return ATSPI_ROLE_PANEL;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_HEADING:
|
|
return ATSPI_ROLE_HEADING;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_IMG:
|
|
return ATSPI_ROLE_IMAGE;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_INPUT:
|
|
return ATSPI_ROLE_ENTRY;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_LABEL:
|
|
return ATSPI_ROLE_LABEL;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_LANDMARK:
|
|
break;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_LEGEND:
|
|
return ATSPI_ROLE_LABEL;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_LINK:
|
|
return ATSPI_ROLE_LINK;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_LIST:
|
|
return ATSPI_ROLE_LIST;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_LIST_BOX:
|
|
return ATSPI_ROLE_LIST_BOX;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_LIST_ITEM:
|
|
return ATSPI_ROLE_LIST_ITEM;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_LOG:
|
|
return ATSPI_ROLE_LOG;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_MAIN:
|
|
break;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_MARQUEE:
|
|
return ATSPI_ROLE_MARQUEE;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_MATH:
|
|
return ATSPI_ROLE_MATH;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_METER:
|
|
return ATSPI_ROLE_LEVEL_BAR;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_MENU:
|
|
return ATSPI_ROLE_MENU;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_MENU_BAR:
|
|
return ATSPI_ROLE_MENU_BAR;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_MENU_ITEM:
|
|
return ATSPI_ROLE_MENU_ITEM;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_MENU_ITEM_CHECKBOX:
|
|
return ATSPI_ROLE_CHECK_MENU_ITEM;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_MENU_ITEM_RADIO:
|
|
return ATSPI_ROLE_RADIO_MENU_ITEM;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_NAVIGATION:
|
|
return ATSPI_ROLE_FILLER;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_NONE:
|
|
return ATSPI_ROLE_INVALID;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_NOTE:
|
|
return ATSPI_ROLE_FOOTNOTE;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_OPTION:
|
|
return ATSPI_ROLE_OPTION_PANE;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_PRESENTATION:
|
|
return ATSPI_ROLE_SECTION;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_PROGRESS_BAR:
|
|
return ATSPI_ROLE_PROGRESS_BAR;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_RADIO:
|
|
return ATSPI_ROLE_RADIO_BUTTON;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_RADIO_GROUP:
|
|
return ATSPI_ROLE_GROUPING;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_RANGE:
|
|
break;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_REGION:
|
|
return ATSPI_ROLE_FILLER;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_ROW:
|
|
return ATSPI_ROLE_TABLE_ROW;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_ROW_GROUP:
|
|
return ATSPI_ROLE_GROUPING;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_ROW_HEADER:
|
|
return ATSPI_ROLE_ROW_HEADER;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_SCROLLBAR:
|
|
return ATSPI_ROLE_SCROLL_BAR;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_SEARCH:
|
|
return ATSPI_ROLE_FORM;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_SEARCH_BOX:
|
|
return ATSPI_ROLE_ENTRY;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_SECTION:
|
|
return ATSPI_ROLE_FILLER;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_SECTION_HEAD:
|
|
return ATSPI_ROLE_FILLER;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_SELECT:
|
|
return ATSPI_ROLE_FILLER;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_SEPARATOR:
|
|
return ATSPI_ROLE_SEPARATOR;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_SLIDER:
|
|
return ATSPI_ROLE_SLIDER;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_SPIN_BUTTON:
|
|
return ATSPI_ROLE_SPIN_BUTTON;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_STATUS:
|
|
return ATSPI_ROLE_STATUS_BAR;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_STRUCTURE:
|
|
return ATSPI_ROLE_FILLER;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_SWITCH:
|
|
return ATSPI_ROLE_CHECK_BOX;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_TAB:
|
|
return ATSPI_ROLE_PAGE_TAB;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_TABLE:
|
|
return ATSPI_ROLE_TABLE;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_TAB_LIST:
|
|
return ATSPI_ROLE_PAGE_TAB_LIST;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_TAB_PANEL:
|
|
return ATSPI_ROLE_PANEL;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_TEXT_BOX:
|
|
return ATSPI_ROLE_TEXT;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_TIME:
|
|
return ATSPI_ROLE_TEXT;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_TIMER:
|
|
return ATSPI_ROLE_TIMER;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_TOOLBAR:
|
|
return ATSPI_ROLE_TOOL_BAR;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_TOOLTIP:
|
|
return ATSPI_ROLE_TOOL_TIP;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_TREE:
|
|
return ATSPI_ROLE_TREE;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_TREE_GRID:
|
|
return ATSPI_ROLE_TREE_TABLE;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_TREE_ITEM:
|
|
return ATSPI_ROLE_TREE_ITEM;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_WIDGET:
|
|
return ATSPI_ROLE_FILLER;
|
|
|
|
case GTK_ACCESSIBLE_ROLE_WINDOW:
|
|
return ATSPI_ROLE_FRAME;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ATSPI_ROLE_FILLER;
|
|
}
|
|
|
|
/*<private>
|
|
* gtk_atspi_role_for_context:
|
|
* @context: a #GtkATContext
|
|
*
|
|
* Returns a suitable ATSPI role for a context, taking into account
|
|
* both the #GtkAccessibleRole set on the context and the type
|
|
* of accessible.
|
|
*
|
|
* Returns: an #AtspiRole
|
|
*/
|
|
AtspiRole
|
|
gtk_atspi_role_for_context (GtkATContext *context)
|
|
{
|
|
GtkAccessible *accessible = gtk_at_context_get_accessible (context);
|
|
GtkAccessibleRole role = gtk_at_context_get_accessible_role (context);
|
|
|
|
/* ARIA does not have a "password entry" role, so we need to fudge it here */
|
|
if (GTK_IS_PASSWORD_ENTRY (accessible))
|
|
return ATSPI_ROLE_PASSWORD_TEXT;
|
|
|
|
/* ARIA does not have a "scroll area" role */
|
|
if (GTK_IS_SCROLLED_WINDOW (accessible))
|
|
return ATSPI_ROLE_SCROLL_PANE;
|
|
|
|
return gtk_accessible_role_to_atspi_role (role);
|
|
}
|
|
|
|
GVariant *
|
|
gtk_at_spi_null_ref (void)
|
|
{
|
|
return g_variant_new ("(so)", "", "/org/a11y/atspi/null");
|
|
}
|
|
|
|
void
|
|
gtk_at_spi_emit_children_changed (GDBusConnection *connection,
|
|
const char *path,
|
|
GtkAccessibleChildState state,
|
|
int idx,
|
|
GVariant *child_ref,
|
|
GVariant *sender_ref)
|
|
{
|
|
const char *change;
|
|
|
|
switch (state)
|
|
{
|
|
case GTK_ACCESSIBLE_CHILD_STATE_ADDED:
|
|
change = "add";
|
|
break;
|
|
|
|
case GTK_ACCESSIBLE_CHILD_STATE_REMOVED:
|
|
change = "remove";
|
|
break;
|
|
|
|
default:
|
|
g_assert_not_reached ();
|
|
return;
|
|
}
|
|
|
|
g_dbus_connection_emit_signal (connection,
|
|
NULL,
|
|
path,
|
|
"org.a11y.atspi.Event.Object",
|
|
"ChildrenChanged",
|
|
g_variant_new ("(siiv@(so))", change, idx, 0, child_ref, sender_ref),
|
|
NULL);
|
|
}
|