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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-bonobo-widget.c
 *
 * Copyright (C) 2001  Ximian, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Authors:
 *   Michael Meeks <michael@ximian.com>
 *   Ettore Perazzoli <ettore@ximian.com>
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "e-bonobo-widget.h"

#include <bonobo/bonobo-control.h>

#include <gdk/gdkprivate.h>
#include <gdk/gdkx.h>
#include <gdk/gdktypes.h>


#define PARENT_TYPE bonobo_widget_get_type ()
static BonoboWidgetClass *parent_class = NULL;


static void
class_init (GtkObjectClass *object_class)
{
    parent_class = gtk_type_class (PARENT_TYPE);

    /* No method to override.  */
}

static void
init (EBonoboWidget *bonobo_widget)
{
    /* Nothing to initialize.  */
}


static void
evolution_toplevel_property_get_fn (BonoboPropertyBag *bag,
                    BonoboArg *arg,
                    unsigned int arg_id,
                    CORBA_Environment *ev,
                    void *data)
{
    BonoboControlFrame *frame;
    GtkWidget *toplevel;
    char *id;

    frame = BONOBO_CONTROL_FRAME (data);

    toplevel = bonobo_control_frame_get_widget (frame);
    while (toplevel->parent != NULL)
        toplevel = toplevel->parent;

    if (BONOBO_IS_CONTROL (toplevel)) {
        Bonobo_PropertyBag toplevel_property_bag;

        toplevel_property_bag = bonobo_control_get_ambient_properties (BONOBO_CONTROL (toplevel), NULL);
        if (toplevel_property_bag == CORBA_OBJECT_NIL)
            goto error;
        
        id = bonobo_property_bag_client_get_value_string (toplevel_property_bag,
                                  E_BONOBO_WIDGET_TOPLEVEL_PROPERTY_ID,
                                  NULL);
        if (id == NULL)
            goto error;
            
        *(char **)arg->_value = id;
        return;
    }

    id = bonobo_control_windowid_from_x11 (GDK_WINDOW_XWINDOW (toplevel->window));
    *(char **)arg->_value = CORBA_string_dup (id);
    g_free (id);

    return;

 error:
    /* FIXME: exception? */
    *(char **)arg->_value = CORBA_string_dup ("");
}

static void
setup_toplevel_property (EBonoboWidget *widget)
{
    BonoboPropertyBag *property_bag;
    BonoboControlFrame *control_frame;

    control_frame = bonobo_widget_get_control_frame (BONOBO_WIDGET (widget));

    if (!(property_bag = bonobo_control_frame_get_propbag (control_frame))) {
        property_bag = bonobo_property_bag_new (NULL, NULL, NULL);
        bonobo_control_frame_set_propbag (control_frame, property_bag);
    }

    /* FIXME: Kill property bag when the frame dies.  */

    bonobo_property_bag_add_full (property_bag, E_BONOBO_WIDGET_TOPLEVEL_PROPERTY_ID, 0,
                      TC_Bonobo_Control_windowId,
                      NULL, "Toplevel Window ID",
                      BONOBO_PROPERTY_READABLE,
                      evolution_toplevel_property_get_fn, NULL,
                      control_frame);
}


EBonoboWidget *
e_bonobo_widget_construct_control_from_objref (EBonoboWidget *widget,
                           Bonobo_Control control,
                           Bonobo_UIContainer uic)
{
    g_return_val_if_fail (widget != NULL, NULL);
    g_return_val_if_fail (E_IS_BONOBO_WIDGET (widget), NULL);

    if (bonobo_widget_construct_control_from_objref (BONOBO_WIDGET (widget), control, uic) == NULL)
        return NULL;

    setup_toplevel_property (widget);
    return widget;
}

EBonoboWidget *
e_bonobo_widget_construct_control (EBonoboWidget *widget,
                   const char *moniker,
                   Bonobo_UIContainer uic)
{
    g_return_val_if_fail (widget != NULL, NULL);
    g_return_val_if_fail (E_IS_BONOBO_WIDGET (widget), NULL);
    g_return_val_if_fail (moniker != NULL, NULL);

    if (bonobo_widget_construct_control (BONOBO_WIDGET (widget), moniker, uic) == NULL)
        return NULL;

    setup_toplevel_property (widget);

    return widget;
}


GtkWidget *
e_bonobo_widget_new_control (const char *moniker,
                 Bonobo_UIContainer uic)
{
    EBonoboWidget *widget;

    g_return_val_if_fail (moniker != NULL, NULL);

    widget = gtk_type_new (e_bonobo_widget_get_type ());
    widget = e_bonobo_widget_construct_control (widget, moniker, uic);

    if (widget == NULL)
        return NULL;

    return GTK_WIDGET (widget);
}

GtkWidget *
e_bonobo_widget_new_control_from_objref (Bonobo_Control control,
                     Bonobo_UIContainer  uic)
{
    EBonoboWidget *widget;

    g_return_val_if_fail (control != CORBA_OBJECT_NIL, NULL);

    widget = gtk_type_new (E_TYPE_BONOBO_WIDGET);

    widget = e_bonobo_widget_construct_control_from_objref (widget, control, uic);
    if (widget == NULL)
        return NULL;

    return GTK_WIDGET (widget);
}


E_MAKE_TYPE (e_bonobo_widget, "EBonoboWidget", EBonoboWidget, class_init, init, PARENT_TYPE)