gtk2/gtk/a11y/gtkatspiutils.c
Emmanuele Bassi 698cbee1fb a11y: Move ChildrenChanged emitter to ATSPI utilities
We are going to use it from GtkAtSpiRoot, which is not a
GtkAtSpiContext.
2020-10-21 15:18:23 +01:00

342 lines
8.3 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"
/*< 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:
break;
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:
break;
case GTK_ACCESSIBLE_ROLE_HEADING:
break;
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:
break;
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_DOCUMENT_PRESENTATION;
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_WINDOW;
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);
if (GTK_IS_PASSWORD_ENTRY (accessible))
return ATSPI_ROLE_PASSWORD_TEXT;
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);
}