path: root/shell/e-shell-settings-dialog.c

/*
 * 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:
 *      Ettore Perazzoli <ettore@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include <glib/gi18n.h>

#include "e-shell-settings-dialog.h"

#include "e-corba-config-page.h"
#include <e-util/e-icon-factory.h>

#include <bonobo/bonobo-widget.h>
#include <bonobo/bonobo-exception.h>

#include <bonobo-activation/bonobo-activation.h>

#include <stdlib.h>
#include <string.h>

struct _EShellSettingsDialogPrivate {
    GHashTable *types;
};

G_DEFINE_TYPE (EShellSettingsDialog, e_shell_settings_dialog, E_TYPE_MULTI_CONFIG_DIALOG)


/* FIXME ugly hack to work around that sizing of invisible widgets is broken
   with Bonobo.  */

static void
set_dialog_size (EShellSettingsDialog *dialog)
{
    PangoLayout *layout;
    PangoContext *context;
    PangoFontMetrics *metrics;
    int width, height;

    layout = gtk_widget_create_pango_layout (GTK_WIDGET (dialog), "M");
    context = pango_layout_get_context (layout);
    metrics = pango_context_get_metrics (context,
                         gtk_widget_get_style (GTK_WIDGET (dialog))->font_desc,
                         pango_context_get_language (context));

    pango_layout_get_pixel_size (layout, &width, NULL);

    width *= 60;
    height = PANGO_PIXELS (pango_font_metrics_get_ascent (metrics)
                   + pango_font_metrics_get_descent (metrics)) * 30;

    gtk_window_set_default_size((GtkWindow *)dialog, width, height);
    g_object_unref (layout);
    pango_font_metrics_unref (metrics);
}


/* Page handling.  */

struct _Page {
    char *title;
    char *description;
    GdkPixbuf *icon;
    Bonobo_ActivationProperty *type;
    int priority;
    EConfigPage *page_widget;
};
typedef struct _Page Page;

static Page *
page_new (const char *title,
      const char *description,
      GdkPixbuf *icon,
      Bonobo_ActivationProperty *type,
      int priority,
      EConfigPage *page_widget)
{
    Page *page;

    if (icon != NULL)
        g_object_ref (icon);

    page = g_new (Page, 1);
    page->title       = g_strdup (title);
    page->description = g_strdup (description);
    page->icon        = icon;
    page->type        = type;
    page->priority    = priority;
    page->page_widget = page_widget;

    return page;
}

static void
page_free (Page *page)
{
    g_free (page->title);
    g_free (page->description);

    if (page->icon != NULL)
        g_object_unref (page->icon);

    g_free (page);
}

static int
compare_page_func (const void *a,
           const void *b)
{
    const Page *page_a;
    const Page *page_b;

    page_a = (const Page *) a;
    page_b = (const Page *) b;

    if (page_a->priority == page_b->priority)
        return strcmp (page_a->title, page_b->title);

    return page_a->priority - page_b->priority;
}

static GList *
sort_page_list (GList *list)
{
    return g_list_sort (list, compare_page_func);
}

static void
load_pages (EShellSettingsDialog *dialog)
{
    EShellSettingsDialogPrivate *priv;
    Bonobo_ServerInfoList *control_list;
    const gchar * const *language_names;
    CORBA_Environment ev;
    GSList *languages = NULL;
    GList *page_list;
    GList *p;
    int i, j;

    priv = dialog->priv;

    CORBA_exception_init (&ev);

    control_list = bonobo_activation_query ("repo_ids.has('IDL:GNOME/Evolution/ConfigControl:" BASE_VERSION "')", NULL, &ev);
    if (ev._major != CORBA_NO_EXCEPTION || control_list == NULL) {
        g_warning ("Cannot load configuration pages -- %s", BONOBO_EX_REPOID (&ev));
        CORBA_exception_free (&ev);
        return;
    }

    CORBA_exception_free (&ev);

    language_names = g_get_language_names ();
    while (*language_names != NULL)
        languages = g_slist_append (languages, (gpointer)(*language_names++));

    page_list = NULL;
    for (i = 0; i < control_list->_length; i ++) {
        CORBA_Object corba_object;
        Bonobo_ServerInfo *info;
        const char *title;
        const char *description;
        const char *icon_path;
        const char *priority_string;
        Bonobo_ActivationProperty *type;
        int priority;
        GdkPixbuf *icon;

        CORBA_exception_init (&ev);

        info = & control_list->_buffer[i];

        title           = bonobo_server_info_prop_lookup (info, "evolution2:config_item:title", languages);
        description     = bonobo_server_info_prop_lookup (info, "evolution2:config_item:description", languages);
        icon_path       = bonobo_server_info_prop_lookup (info, "evolution2:config_item:icon_name", NULL);
        type            = bonobo_server_info_prop_find   (info, "evolution2:config_item:type");
        priority_string = bonobo_server_info_prop_lookup (info, "evolution2:config_item:priority", NULL);

        if (icon_path == NULL) {
            icon = NULL;
        } else {
            if (g_path_is_absolute (icon_path)) {
                icon = gdk_pixbuf_new_from_file (icon_path, NULL);
            } else {
                icon = e_icon_factory_get_icon (icon_path, GTK_ICON_SIZE_DIALOG);
            }
        }

        if (type != NULL && type->v._d != Bonobo_ACTIVATION_P_STRINGV)
            type = NULL;
        if (priority_string == NULL)
            priority = 0xffff;
        else
            priority = atoi (priority_string);

        corba_object = bonobo_activation_activate_from_id ((char *) info->iid, 0, NULL, &ev);

        if (! BONOBO_EX (&ev)) {
            Page *page;

            page = page_new (title, description, icon, type, priority,
                     E_CONFIG_PAGE (e_corba_config_page_new_from_objref (corba_object)));

            page_list = g_list_prepend (page_list, page);
        } else {
            char *bonobo_ex_text = bonobo_exception_get_text (&ev);
            g_warning ("Cannot activate %s -- %s", info->iid, bonobo_ex_text);
            g_free (bonobo_ex_text);
        }

        if (icon != NULL)
            g_object_unref (icon);

        CORBA_exception_free (&ev);
    }
    g_slist_free(languages);

    page_list = sort_page_list (page_list);
    for (p = page_list, i = 0; p != NULL; p = p->next, i++) {
        Page *page;

        page = (Page *) p->data;

        e_multi_config_dialog_add_page (E_MULTI_CONFIG_DIALOG (dialog),
                        page->title,
                        page->description,
                        page->icon,
                        page->page_widget);

        if (page->type != NULL) {
            Bonobo_StringList list = page->type->v._u.value_stringv;

            for (j = 0; j < list._length; j++) {
                if (g_hash_table_lookup (priv->types, list._buffer[j]) == NULL)
                    g_hash_table_insert (priv->types, g_strdup (list._buffer[j]),
                                 GINT_TO_POINTER (i));
            }
        }


        page_free (page);
    }

    g_list_free (page_list);
    CORBA_free (control_list);
}


/* GtkObject methods.  */

static void
impl_finalize (GObject *object)
{
    EShellSettingsDialog *dialog;
    EShellSettingsDialogPrivate *priv;

    dialog = E_SHELL_SETTINGS_DIALOG (object);
    priv = dialog->priv;

    g_hash_table_destroy (priv->types);

    g_free (priv);

    (* G_OBJECT_CLASS (e_shell_settings_dialog_parent_class)->finalize) (object);
}


static void
e_shell_settings_dialog_class_init (EShellSettingsDialogClass *klass)
{
    GObjectClass *object_class;

    object_class = G_OBJECT_CLASS (klass);
    object_class->finalize = impl_finalize;
}

static void
e_shell_settings_dialog_init (EShellSettingsDialog *dialog)
{
    EShellSettingsDialogPrivate *priv;

    priv = g_new (EShellSettingsDialogPrivate, 1);
    priv->types = g_hash_table_new_full (
        g_str_hash, g_str_equal,
        (GDestroyNotify) g_free,
        (GDestroyNotify) NULL);

    dialog->priv = priv;

    load_pages (dialog);
    set_dialog_size (dialog);

    gtk_window_set_title (GTK_WINDOW (dialog), _("Evolution Preferences"));
    gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
}


GtkWidget *
e_shell_settings_dialog_new (void)
{
    EShellSettingsDialog *new;

    new = g_object_new (e_shell_settings_dialog_get_type (), NULL);

    return GTK_WIDGET (new);
}

void
e_shell_settings_dialog_show_type (EShellSettingsDialog *dialog, const char *type)
{
    EShellSettingsDialogPrivate *priv;
    gpointer key, value;
    int page;

    g_return_if_fail (dialog != NULL);
    g_return_if_fail (E_IS_SHELL_SETTINGS_DIALOG (dialog));
    g_return_if_fail (type != NULL);

    priv = dialog->priv;

    if (!g_hash_table_lookup_extended (priv->types, type, &key, &value)) {
        char *slash, *supertype;

        slash = strchr (type, '/');
        if (slash) {
            supertype = g_strndup (type, slash - type);
            value = g_hash_table_lookup (priv->types, type);
            g_free (supertype);
        } else
            value = NULL;
    }
    page = GPOINTER_TO_INT (value);

    e_multi_config_dialog_show_page (E_MULTI_CONFIG_DIALOG (dialog), page);
}