source: trunk/third/gnome-core/panel/distribution.c @ 15821

/*
 * GNOME panel linux distribution module.
 * (C) 2000 The Free Software Foundation
 *
 * Authors: Martin Baulig <baulig@suse.de>
 */

#include <config.h>
#include <gnome.h>

#include "panel-include.h"

/* Note for distribution vendors:
 *
 * This file - especially the `distribution_info' array - is
 * the only place which you need to custumize in order to make
 * the `Distribution' menu in the panel working.
 *
 */

static void rh_menu_init_func (void);
static void rh_menu_show_func (GtkWidget *, GtkMenuItem *);

static DistributionInfo distribution_info [] = {
        { DISTRIBUTION_DEBIAN, "/etc/debian_version",
          N_("Debian GNU/Linux"), N_("Debian menus"),
          "gnome-debian.png", "/var/lib/gnome/Debian/.",
          NULL, NULL
        },
        { DISTRIBUTION_REDHAT, "/etc/redhat-release",
          N_("Red Hat Linux"), N_("Red Hat menus"), NULL,
          "apps-redhat",
          rh_menu_init_func, rh_menu_show_func
        },
        { DISTRIBUTION_SUSE, "/etc/SuSE-release",
          N_("SuSE Linux"), N_("SuSE menus"), "gnome-suse.png",
          GNOME_DATADIR "/gnome/distribution-menus/SuSE/.",
          NULL, NULL
        },
        { DISTRIBUTION_UNKNOWN, NULL, NULL, NULL, NULL }
};

static DistributionType
internal_get_distribution_type (void)
{
        DistributionInfo *ptr;

        for (ptr = distribution_info; ptr->type != DISTRIBUTION_UNKNOWN; ptr++)
                if (panel_file_exists (ptr->version_file))
                        return ptr->type;

        return DISTRIBUTION_UNKNOWN;
}

static const DistributionInfo *
internal_get_distribution_info (DistributionType type)
{
        DistributionInfo *ptr;

        for (ptr = distribution_info; ptr->type != DISTRIBUTION_UNKNOWN; ptr++)
                if (ptr->type == type)
                        return ptr;

        return NULL;
}

/* note that this function is marked G_GNUC_CONST in distribution.h */
DistributionType
get_distribution_type (void)
{
        static gboolean cached = FALSE;
        static DistributionType cache = DISTRIBUTION_UNKNOWN;

        if (cached) {
                return cache;
        }

        cache = internal_get_distribution_type ();
        cached = TRUE;

        return cache;
}

/* note that this function is marked G_GNUC_CONST in distribution.h */
const DistributionInfo *
get_distribution_info (void)
{
        static gboolean cached = FALSE;
        static const DistributionInfo *cache = NULL;
        DistributionType type;

        if (cached) {
                return cache;
        }

        type = get_distribution_type ();

        cache = internal_get_distribution_info (type);
        cached = TRUE;

        return cache;
}

/*
 * Distribution specific menu functions.
 */

static void
rh_menu_init_func (void)
{
        /* Use the fork version to create the Red Hat menus. */
        create_rh_menu (TRUE);
}

static void
rh_menu_show_func (GtkWidget *menuw, GtkMenuItem *menuitem)
{
        rh_submenu_to_display (menuw, menuitem);
}