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