shell/e-shell-utils.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
   2 /* e-shell-utils.c
   3  *
   4  * Copyright (C) 2000  Ximian, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of version 2 of the GNU General Public
   8  * License as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public
  16  * License along with this program; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Author: Ettore Perazzoli
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <string.h>
  28
  29 #include <glib.h>
  30
  31 #include <libgnome/gnome-util.h>
  32 #include <libgnome/gnome-i18n.h>
  33
  34 #include "e-shell-constants.h"
  35 #include "e-shell-utils.h"
  36
  37 \f
  38 static char *
  39 get_icon_path (const char *icon_name)
  40 {
  41         char *icon_path;
  42
  43         if (g_path_is_absolute (icon_name))
  44                 icon_path = g_strdup (icon_name);
  45         else
  46                 icon_path = g_build_filename (EVOLUTION_IMAGES, icon_name, NULL);
  47
  48         if (g_file_test (icon_path, G_FILE_TEST_EXISTS)) {
  49                 return icon_path;
  50         } else {
  51                 g_free (icon_path);
  52                 return NULL;
  53         }
  54 }
  55
  56 static char *
  57 get_mini_name (const char *icon_name)
  58 {
  59         const char *dot_ptr;
  60         char *basename;
  61         char *name_without_extension;
  62         char *mini_name;
  63
  64         basename = g_path_get_basename (icon_name);
  65         if (basename == NULL)
  66                 return NULL;
  67
  68         dot_ptr = strrchr (basename, '.');
  69
  70         if (dot_ptr == NULL) {
  71                 /* No extension.  */
  72                 g_free (basename);
  73                 return g_strconcat (icon_name, E_SHELL_MINI_ICON_SUFFIX, NULL);
  74         }
  75
  76         name_without_extension = g_strndup (icon_name, dot_ptr - basename);
  77         mini_name = g_strconcat (name_without_extension, E_SHELL_MINI_ICON_SUFFIX,
  78                                  dot_ptr, NULL);
  79         g_free (name_without_extension);
  80
  81         g_free (basename);
  82         return mini_name;
  83 }
  84
  85 \f
  86 char *
  87 e_shell_get_icon_path (const char *icon_name,
  88                        gboolean try_mini)
  89 {
  90         if (try_mini) {
  91                 char *path;
  92                 char *mini_name;
  93
  94                 mini_name = get_mini_name (icon_name);
  95                 if (mini_name == NULL) {
  96                         path = NULL;
  97                 } else {
  98                         path = get_icon_path (mini_name);
  99                         g_free (mini_name);
 100                 }
 101
 102                 if (path != NULL)
 103                         return path;
 104         }
 105
 106         return get_icon_path (icon_name);
 107 }
 108
 109 \f
 110 gboolean
 111 e_shell_folder_name_is_valid (const char *name,
 112                               const char **reason_return)
 113 {
 114         if (name == NULL || *name == '\0') {
 115                 if (reason_return != NULL)
 116                         *reason_return = _("No folder name specified.");
 117                 return FALSE;
 118         }
 119
 120         /* GtkEntry is broken - if you hit KP_ENTER you get a \r inserted... */
 121         if (strchr (name, '\r')) {
 122                 if (reason_return != NULL)
 123                         *reason_return = _("Folder name cannot contain the Return character.");
 124                 return FALSE;
 125         }
 126
 127         if (strchr (name, E_PATH_SEPARATOR) != NULL) {
 128                 if (reason_return != NULL)
 129                         *reason_return = _("Folder name cannot contain the character \"/\".");
 130                 return FALSE;
 131         }
 132
 133         if (strchr (name, '#') != NULL) {
 134                 if (reason_return != NULL)
 135                         *reason_return = _("Folder name cannot contain the character \"#\".");
 136                 return FALSE;
 137         }
 138
 139         if (strcmp (name, ".") == 0 || strcmp (name, "..") == 0) {
 140                 if (reason_return != NULL)
 141                         *reason_return = _("'.' and '..' are reserved folder names.");
 142                 return FALSE;
 143         }
 144
 145         *reason_return = NULL;
 146
 147         return TRUE;
 148 }
 149