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/*
 * This program 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 of the License, or (at your option) version 3.
 *
 * This program 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 the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Yang Wu <yang.wu@sun.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#include <config.h>

#include <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>

#include "a11y/gal-a11y-util.h"
#include "table/e-cell-popup.h"
#include <glib/gi18n.h>

#include "gal-a11y-e-cell-popup.h"
#include "gal-a11y-e-cell-registry.h"

static AtkObjectClass *parent_class = NULL;
#define PARENT_TYPE (gal_a11y_e_cell_get_type ())

static void gal_a11y_e_cell_popup_class_init (GalA11yECellPopupClass *klass);
static void popup_cell_action (GalA11yECell *cell);

/**
 * gal_a11y_e_cell_popup_get_type:
 * @void:
 *
 * Registers the &GalA11yECellPopup class if necessary, and returns the type ID
 * associated to it.
 *
 * Return value: The type ID of the &GalA11yECellPopup class.
 **/
GType
gal_a11y_e_cell_popup_get_type (void)
{
    static GType type = 0;

    if (!type) {
        GTypeInfo info = {
            sizeof (GalA11yECellPopupClass),
            (GBaseInitFunc) NULL,
            (GBaseFinalizeFunc) NULL,
            (GClassInitFunc) gal_a11y_e_cell_popup_class_init,
            (GClassFinalizeFunc) NULL,
            NULL, /* class_data */
            sizeof (GalA11yECellPopup),
            0,
            (GInstanceInitFunc) NULL,
            NULL /* value_cell_popup */
        };

        type = g_type_register_static (PARENT_TYPE, "GalA11yECellPopup", &info, 0);
        gal_a11y_e_cell_type_add_action_interface (type);
    }

    return type;
}

static void
gal_a11y_e_cell_popup_class_init (GalA11yECellPopupClass *klass)
{
    parent_class = g_type_class_ref (PARENT_TYPE);
}

AtkObject *
gal_a11y_e_cell_popup_new (ETableItem *item,
              ECellView  *cell_view,
              AtkObject  *parent,
              gint         model_col,
              gint         view_col,
              gint         row)
{
    AtkObject *a11y;
    GalA11yECell *cell;
    ECellPopup *popupcell;
    ECellView* child_view = NULL;

    popupcell=  E_CELL_POPUP(cell_view->ecell);

    if (popupcell && popupcell->popup_cell_view)
        child_view = popupcell->popup_cell_view->child_view;

    if (child_view && child_view->ecell) {
        a11y = gal_a11y_e_cell_registry_get_object (NULL,
                                item,
                                child_view,
                                parent,
                                model_col,
                                view_col,
                                row);
    } else {
        a11y = g_object_new (GAL_A11Y_TYPE_E_CELL_POPUP, NULL);
        gal_a11y_e_cell_construct (a11y,
                       item,
                       cell_view,
                       parent,
                       model_col,
                       view_col,
                       row);
        }
    g_return_val_if_fail (a11y != NULL, NULL);
    cell = GAL_A11Y_E_CELL(a11y);
    gal_a11y_e_cell_add_action (cell,
                    "popup",
                    /* Translators: description of a "popup" action */
                    _("popup a child"),
                    "<Alt>Down",              /* action keybinding */
                    popup_cell_action);

    a11y->role  = ATK_ROLE_TABLE_CELL;
    return a11y;
}

static void
popup_cell_action (GalA11yECell *cell)
{
    gint finished;
    GdkEvent event;
    GtkLayout *layout;

    layout = GTK_LAYOUT (GNOME_CANVAS_ITEM (cell->item)->canvas);

    event.key.type = GDK_KEY_PRESS;
    event.key.window = gtk_layout_get_bin_window (layout);
    event.key.send_event = TRUE;
    event.key.time = GDK_CURRENT_TIME;
    event.key.state = GDK_MOD1_MASK;
    event.key.keyval = GDK_Down;

    g_signal_emit_by_name (cell->item, "event", &event, &finished);
}