source: trunk/third/evolution/shell/e-shell-utils.c @ 18142

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-shell-utils.c
 *
 * Copyright (C) 2000  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.
 *
 * Author: Ettore Perazzoli
 */

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

#include <string.h>

#include <glib.h>
#include <libgnome/gnome-defs.h>
#include <libgnome/gnome-util.h>
#include <libgnome/gnome-i18n.h>

#include "e-shell-constants.h"
#include "e-shell-utils.h"


static char *
get_icon_path (const char *icon_name)
{
        char *icon_path;

        if (g_path_is_absolute (icon_name))
                icon_path = g_strdup (icon_name);
        else
                icon_path = g_concat_dir_and_file (EVOLUTION_IMAGES, icon_name);

        if (g_file_exists (icon_path)) {
                return icon_path;
        } else {
                g_free (icon_path);
                return NULL;
        }
}

static char *
get_mini_name (const char *icon_name)
{
        const char *dot_ptr;
        const char *basename;
        char *name_without_extension;
        char *mini_name;

        basename = g_basename (icon_name);
        if (basename == NULL)
                return NULL;

        dot_ptr = strrchr (basename, '.');

        if (dot_ptr == NULL) {
                /* No extension.  */
                return g_strconcat (icon_name, E_SHELL_MINI_ICON_SUFFIX, NULL);
        }

        name_without_extension = g_strndup (icon_name, dot_ptr - icon_name);
        mini_name = g_strconcat (name_without_extension, E_SHELL_MINI_ICON_SUFFIX,
                                 dot_ptr, NULL);
        g_free (name_without_extension);

        return mini_name;
}


char *
e_shell_get_icon_path (const char *icon_name,
                       gboolean try_mini)
{
        if (try_mini) {
                char *path;
                char *mini_name;

                mini_name = get_mini_name (icon_name);
                if (mini_name == NULL) {
                        path = NULL;
                } else {
                        path = get_icon_path (mini_name);
                        g_free (mini_name);
                }

                if (path != NULL)
                        return path;
        }

        return get_icon_path (icon_name);
}


gboolean
e_shell_folder_name_is_valid (const char *name,
                              const char **reason_return)
{
        if (name == NULL || *name == '\0') {
                if (reason_return != NULL)
                        *reason_return = _("No folder name specified.");
                return FALSE;
        }
        
        /* GtkEntry is broken - if you hit KP_ENTER you get a \r inserted... */
        if (strchr (name, '\r')) {
                if (reason_return != NULL)
                        *reason_return = _("Folder name cannot contain the Return character.");
                return FALSE;
        }
        
        if (strchr (name, E_PATH_SEPARATOR) != NULL) {
                if (reason_return != NULL)
                        *reason_return = _("Folder name cannot contain slashes.");
                return FALSE;
        }
        
        if (strcmp (name, ".") == 0 || strcmp (name, "..") == 0) {
                if (reason_return != NULL)
                        *reason_return = _("'.' and '..' are reserved folder names.");
                return FALSE;
        }

        *reason_return = NULL;
        
        return TRUE;
}