forked from AuroraMiddleware/gtk
245 lines
8.0 KiB
C
245 lines
8.0 KiB
C
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/* gtkatspicomponent.c: AT-SPI Component implementation
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*
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* Copyright 2020 Red Hat, Inc.
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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 "gtkatspicomponentprivate.h"
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#include "gtkatspicontextprivate.h"
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#include "gtkatspiprivate.h"
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#include "gtkatspiutilsprivate.h"
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#include "gtkaccessibleprivate.h"
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#include "gtkwidget.h"
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#include "a11y/atspi/atspi-component.h"
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#include "gtkdebug.h"
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#include <gio/gio.h>
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static void
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translate_coordinates_to_widget (GtkWidget *widget,
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AtspiCoordType coordtype,
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int xi,
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int yi,
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int *xo,
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int *yo)
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{
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double x = xi;
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double y = yi;
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switch (coordtype)
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{
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case ATSPI_COORD_TYPE_SCREEN:
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g_warning ("Screen coordinates not supported, reported positions will be wrong");
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G_GNUC_FALLTHROUGH;
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case ATSPI_COORD_TYPE_WINDOW:
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gtk_widget_translate_coordinates (GTK_WIDGET (gtk_widget_get_root (widget)),
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widget,
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x, y,
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&x, &y);
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break;
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case ATSPI_COORD_TYPE_PARENT:
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gtk_widget_translate_coordinates (gtk_widget_get_parent (widget),
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widget,
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x, y,
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&x, &y);
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break;
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default:
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g_assert_not_reached ();
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}
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*xo = (int)x;
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*yo = (int)y;
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}
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static void
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translate_coordinates_from_widget (GtkWidget *widget,
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AtspiCoordType coordtype,
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int xi,
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int yi,
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int *xo,
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int *yo)
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{
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double x = xi;
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double y = yi;
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switch (coordtype)
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{
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case ATSPI_COORD_TYPE_SCREEN:
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g_warning ("Screen coordinates not supported, reported positions will be wrong");
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G_GNUC_FALLTHROUGH;
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case ATSPI_COORD_TYPE_WINDOW:
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gtk_widget_translate_coordinates (widget,
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GTK_WIDGET (gtk_widget_get_root (widget)),
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x, y,
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&x, &y);
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break;
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case ATSPI_COORD_TYPE_PARENT:
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gtk_widget_translate_coordinates (widget,
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gtk_widget_get_parent (widget),
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x, y,
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&x, &y);
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break;
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default:
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g_assert_not_reached ();
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}
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*xo = (int)x;
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*yo = (int)y;
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}
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static void
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component_handle_method (GDBusConnection *connection,
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const gchar *sender,
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const gchar *object_path,
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const gchar *interface_name,
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const gchar *method_name,
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GVariant *parameters,
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GDBusMethodInvocation *invocation,
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gpointer user_data)
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{
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GtkATContext *self = user_data;
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GtkAccessible *accessible = gtk_at_context_get_accessible (self);
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GtkWidget *widget = GTK_WIDGET (accessible);
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if (g_strcmp0 (method_name, "Contains") == 0)
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{
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int x, y;
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AtspiCoordType coordtype;
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gboolean ret;
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g_variant_get (parameters, "(iiu)", &x, &y, &coordtype);
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translate_coordinates_to_widget (widget, coordtype, x, y, &x, &y);
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ret = gtk_widget_contains (widget, x, y);
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g_dbus_method_invocation_return_value (invocation, g_variant_new ("(b)", ret));
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}
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else if (g_strcmp0 (method_name, "GetAccessibleAtPoint") == 0)
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{
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int x, y;
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AtspiCoordType coordtype;
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GtkWidget *child;
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g_variant_get (parameters, "(iiu)", &x, &y, &coordtype);
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translate_coordinates_to_widget (widget, coordtype, x, y, &x, &y);
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child = gtk_widget_pick (widget, x, y, GTK_PICK_DEFAULT);
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if (!child)
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{
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g_dbus_method_invocation_return_value (invocation, g_variant_new ("(@(so))", gtk_at_spi_null_ref ()));
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}
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else
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{
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GtkAtSpiContext *ctx = GTK_AT_SPI_CONTEXT (gtk_accessible_get_at_context (GTK_ACCESSIBLE (child)));
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g_dbus_method_invocation_return_value (invocation, g_variant_new ("(@(so))", gtk_at_spi_context_to_ref (ctx)));
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}
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}
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else if (g_strcmp0 (method_name, "GetExtents") == 0)
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{
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AtspiCoordType coordtype;
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int x, y;
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int width = gtk_widget_get_width (widget);
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int height = gtk_widget_get_height (widget);
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g_variant_get (parameters, "(u)", &coordtype);
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translate_coordinates_from_widget (widget, coordtype, 0, 0, &x, &y);
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g_dbus_method_invocation_return_value (invocation, g_variant_new ("((iiii))", x, y, width, height));
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}
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else if (g_strcmp0 (method_name, "GetPosition") == 0)
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{
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AtspiCoordType coordtype;
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int x, y;
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g_variant_get (parameters, "(u)", &coordtype);
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translate_coordinates_from_widget (widget, coordtype, 0, 0, &x, &y);
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g_dbus_method_invocation_return_value (invocation, g_variant_new ("(ii)", x, y));
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}
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else if (g_strcmp0 (method_name, "GetSize") == 0)
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{
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int width = gtk_widget_get_width (widget);
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int height = gtk_widget_get_height (widget);
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g_dbus_method_invocation_return_value (invocation, g_variant_new ("(ii)", width, height));
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}
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else if (g_strcmp0 (method_name, "GetLayer") == 0)
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{
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g_dbus_method_invocation_return_error_literal (invocation, G_DBUS_ERROR, G_DBUS_ERROR_NOT_SUPPORTED, "");
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}
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else if (g_strcmp0 (method_name, "GetMDIZOrder") == 0)
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{
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g_dbus_method_invocation_return_error_literal (invocation, G_DBUS_ERROR, G_DBUS_ERROR_NOT_SUPPORTED, "");
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}
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else if (g_strcmp0 (method_name, "GrabFocus") == 0)
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{
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g_dbus_method_invocation_return_error_literal (invocation, G_DBUS_ERROR, G_DBUS_ERROR_NOT_SUPPORTED, "");
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}
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else if (g_strcmp0 (method_name, "GetAlpha") == 0)
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{
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g_dbus_method_invocation_return_error_literal (invocation, G_DBUS_ERROR, G_DBUS_ERROR_NOT_SUPPORTED, "");
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}
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else if (g_strcmp0 (method_name, "SetExtents") == 0)
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{
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g_dbus_method_invocation_return_error_literal (invocation, G_DBUS_ERROR, G_DBUS_ERROR_NOT_SUPPORTED, "");
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}
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else if (g_strcmp0 (method_name, "SetPosition") == 0)
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{
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g_dbus_method_invocation_return_error_literal (invocation, G_DBUS_ERROR, G_DBUS_ERROR_NOT_SUPPORTED, "");
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}
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else if (g_strcmp0 (method_name, "SetSize") == 0)
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{
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g_dbus_method_invocation_return_error_literal (invocation, G_DBUS_ERROR, G_DBUS_ERROR_NOT_SUPPORTED, "");
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}
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else if (g_strcmp0 (method_name, "ScrollTo") == 0)
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{
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g_dbus_method_invocation_return_error_literal (invocation, G_DBUS_ERROR, G_DBUS_ERROR_NOT_SUPPORTED, "");
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}
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else if (g_strcmp0 (method_name, "ScrollToPoint") == 0)
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{
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g_dbus_method_invocation_return_error_literal (invocation, G_DBUS_ERROR, G_DBUS_ERROR_NOT_SUPPORTED, "");
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}
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}
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static const GDBusInterfaceVTable component_vtable = {
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component_handle_method,
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};
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const GDBusInterfaceVTable *
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gtk_atspi_get_component_vtable (GtkAccessible *accessible)
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{
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if (GTK_IS_WIDGET (accessible))
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return &component_vtable;
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return NULL;
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}
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