mirror of
https://gitlab.gnome.org/GNOME/nautilus
synced 2024-08-24 18:25:50 +00:00
![A. Walton](/assets/img/avatar_default.png)
2008-07-14 A. Walton <awalton@gnome.org> * libnautilus-private/nautilus-emblem-utils.c (nautilus_emblem_install_custom_emblem), (nautilus_emblem_can_remove_emblem): Use the GLib gstdio functions here, suggested in bug 542819 by Thadeu Lima de Souza Cascardo. svn path=/trunk/; revision=14359
474 lines
11 KiB
C
474 lines
11 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
|
|
|
|
nautilus-emblem-utils.c: Utilities for handling emblems
|
|
|
|
Copyright (C) 2002 Red Hat, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
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: Alexander Larsson <alexl@redhat.com>
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <utime.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <glib.h>
|
|
#include <glib/gstdio.h>
|
|
#include <glib/gi18n.h>
|
|
#include <gtk/gtk.h>
|
|
|
|
#include <eel/eel-glib-extensions.h>
|
|
#include <eel/eel-gdk-pixbuf-extensions.h>
|
|
#include <eel/eel-stock-dialogs.h>
|
|
|
|
#include "nautilus-file.h"
|
|
#include "nautilus-emblem-utils.h"
|
|
|
|
#define EMBLEM_NAME_TRASH "emblem-trash"
|
|
#define EMBLEM_NAME_SYMLINK "emblem-symbolic-link"
|
|
#define EMBLEM_NAME_NOREAD "emblem-noread"
|
|
#define EMBLEM_NAME_NOWRITE "emblem-nowrite"
|
|
#define EMBLEM_NAME_NOTE "emblem-note"
|
|
#define EMBLEM_NAME_SHARED "emblem-shared"
|
|
|
|
GList *
|
|
nautilus_emblem_list_available (void)
|
|
{
|
|
GtkIconTheme *icon_theme;
|
|
GList *list;
|
|
|
|
icon_theme = gtk_icon_theme_get_default ();
|
|
list = gtk_icon_theme_list_icons (icon_theme, "Emblems");
|
|
return list;
|
|
}
|
|
|
|
void
|
|
nautilus_emblem_refresh_list (void)
|
|
{
|
|
GtkIconTheme *icon_theme;
|
|
|
|
icon_theme = gtk_icon_theme_get_default ();
|
|
gtk_icon_theme_rescan_if_needed (icon_theme);
|
|
}
|
|
|
|
char *
|
|
nautilus_emblem_get_icon_name_from_keyword (const char *keyword)
|
|
{
|
|
return g_strconcat ("emblem-", keyword, NULL);
|
|
}
|
|
|
|
|
|
/* check for reserved keywords */
|
|
static gboolean
|
|
is_reserved_keyword (const char *keyword)
|
|
{
|
|
GList *available;
|
|
char *icon_name;
|
|
gboolean result;
|
|
|
|
g_assert (keyword != NULL);
|
|
|
|
/* check intrinsic emblems */
|
|
if (g_ascii_strcasecmp (keyword, NAUTILUS_FILE_EMBLEM_NAME_TRASH) == 0) {
|
|
return TRUE;
|
|
}
|
|
if (g_ascii_strcasecmp (keyword, NAUTILUS_FILE_EMBLEM_NAME_CANT_READ) == 0) {
|
|
return TRUE;
|
|
}
|
|
if (g_ascii_strcasecmp (keyword, NAUTILUS_FILE_EMBLEM_NAME_CANT_WRITE) == 0) {
|
|
return TRUE;
|
|
}
|
|
if (g_ascii_strcasecmp (keyword, NAUTILUS_FILE_EMBLEM_NAME_SYMBOLIC_LINK) == 0) {
|
|
return TRUE;
|
|
}
|
|
if (g_ascii_strcasecmp (keyword, NAUTILUS_FILE_EMBLEM_NAME_NOTE) == 0) {
|
|
return TRUE;
|
|
}
|
|
if (g_ascii_strcasecmp (keyword, NAUTILUS_FILE_EMBLEM_NAME_SHARED) == 0) {
|
|
return TRUE;
|
|
}
|
|
|
|
available = nautilus_emblem_list_available ();
|
|
icon_name = nautilus_emblem_get_icon_name_from_keyword (keyword);
|
|
/* see if the keyword already exists */
|
|
result = g_list_find_custom (available,
|
|
(char *) icon_name,
|
|
(GCompareFunc) g_ascii_strcasecmp) != NULL;
|
|
eel_g_list_free_deep (available);
|
|
g_free (icon_name);
|
|
return result;
|
|
}
|
|
|
|
gboolean
|
|
nautilus_emblem_should_show_in_list (const char *emblem)
|
|
{
|
|
if (strcmp (emblem, EMBLEM_NAME_TRASH) == 0) {
|
|
return FALSE;
|
|
}
|
|
if (strcmp (emblem, EMBLEM_NAME_SYMLINK) == 0) {
|
|
return FALSE;
|
|
}
|
|
if (strcmp (emblem, EMBLEM_NAME_NOREAD) == 0) {
|
|
return FALSE;
|
|
}
|
|
if (strcmp (emblem, EMBLEM_NAME_NOWRITE) == 0) {
|
|
return FALSE;
|
|
}
|
|
if (strcmp (emblem, EMBLEM_NAME_NOTE) == 0) {
|
|
return FALSE;
|
|
}
|
|
if (strcmp (emblem, EMBLEM_NAME_SHARED) == 0) {
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
char *
|
|
nautilus_emblem_get_keyword_from_icon_name (const char *emblem)
|
|
{
|
|
g_return_val_if_fail (emblem != NULL, NULL);
|
|
|
|
if (g_str_has_prefix (emblem, "emblem-")) {
|
|
return g_strdup (&emblem[7]);
|
|
} else {
|
|
return g_strdup (emblem);
|
|
}
|
|
}
|
|
|
|
GdkPixbuf *
|
|
nautilus_emblem_load_pixbuf_for_emblem (GFile *emblem)
|
|
{
|
|
GInputStream *stream;
|
|
GdkPixbuf *pixbuf;
|
|
GdkPixbuf *scaled;
|
|
|
|
stream = (GInputStream *) g_file_read (emblem, NULL, NULL);
|
|
if (!stream) {
|
|
return NULL;
|
|
}
|
|
|
|
pixbuf = eel_gdk_pixbuf_load_from_stream (stream);
|
|
g_return_val_if_fail (pixbuf != NULL, NULL);
|
|
|
|
scaled = eel_gdk_pixbuf_scale_down_to_fit (pixbuf,
|
|
NAUTILUS_ICON_SIZE_STANDARD,
|
|
NAUTILUS_ICON_SIZE_STANDARD);
|
|
|
|
g_object_unref (pixbuf);
|
|
g_object_unref (stream);
|
|
|
|
return scaled;
|
|
}
|
|
|
|
/* utility to make sure the passed-in keyword only contains alphanumeric characters */
|
|
static gboolean
|
|
emblem_keyword_valid (const char *keyword)
|
|
{
|
|
const char *p;
|
|
gunichar c;
|
|
|
|
for (p = keyword; *p; p = g_utf8_next_char (p)) {
|
|
c = g_utf8_get_char (p);
|
|
|
|
if (!g_unichar_isalnum (c) &&
|
|
!g_unichar_isspace (c)) {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
nautilus_emblem_verify_keyword (GtkWindow *parent_window,
|
|
const char *keyword,
|
|
const char *display_name)
|
|
{
|
|
if (keyword == NULL || strlen (keyword) == 0) {
|
|
eel_show_error_dialog (_("The emblem cannot be installed."),
|
|
_("Sorry, but you must specify a non-blank keyword for the new emblem."),
|
|
GTK_WINDOW (parent_window));
|
|
return FALSE;
|
|
} else if (!emblem_keyword_valid (keyword)) {
|
|
eel_show_error_dialog (_("The emblem cannot be installed."),
|
|
_("Sorry, but emblem keywords can only contain letters, spaces and numbers."),
|
|
GTK_WINDOW (parent_window));
|
|
return FALSE;
|
|
} else if (is_reserved_keyword (keyword)) {
|
|
char *error_string;
|
|
|
|
/* this really should never happen, as a user has no idea
|
|
* what a keyword is, and people should be passing a unique
|
|
* keyword to us anyway
|
|
*/
|
|
error_string = g_strdup_printf (_("Sorry, but there is already an emblem named \"%s\"."), display_name);
|
|
eel_show_error_dialog (_("Please choose a different emblem name."), error_string,
|
|
GTK_WINDOW (parent_window));
|
|
g_free (error_string);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
nautilus_emblem_install_custom_emblem (GdkPixbuf *pixbuf,
|
|
const char *keyword,
|
|
const char *display_name,
|
|
GtkWindow *parent_window)
|
|
{
|
|
char *basename, *path, *dir, *stat_dir;
|
|
struct stat stat_buf;
|
|
struct utimbuf ubuf;
|
|
|
|
g_return_if_fail (pixbuf != NULL);
|
|
|
|
if (!nautilus_emblem_verify_keyword (parent_window, keyword, display_name)) {
|
|
return;
|
|
}
|
|
|
|
dir = g_build_filename (g_get_home_dir (),
|
|
".icons", "hicolor", "48x48", "emblems",
|
|
NULL);
|
|
stat_dir = g_build_filename (g_get_home_dir (),
|
|
".icons", "hicolor",
|
|
NULL);
|
|
|
|
if (g_mkdir_with_parents (dir, 0755) != 0) {
|
|
eel_show_error_dialog (_("The emblem cannot be installed."),
|
|
_("Sorry, unable to save custom emblem."),
|
|
GTK_WINDOW (parent_window));
|
|
g_free (dir);
|
|
g_free (stat_dir);
|
|
return;
|
|
}
|
|
|
|
basename = g_strdup_printf ("emblem-%s.png", keyword);
|
|
path = g_build_filename (dir, basename, NULL);
|
|
g_free (basename);
|
|
|
|
/* save the image */
|
|
if (eel_gdk_pixbuf_save_to_file (pixbuf, path) != TRUE) {
|
|
eel_show_error_dialog (_("The emblem cannot be installed."),
|
|
_("Sorry, unable to save custom emblem."),
|
|
GTK_WINDOW (parent_window));
|
|
g_free (dir);
|
|
g_free (stat_dir);
|
|
g_free (path);
|
|
return;
|
|
}
|
|
|
|
g_free (path);
|
|
|
|
if (display_name != NULL) {
|
|
char *contents;
|
|
|
|
basename = g_strdup_printf ("emblem-%s.icon", keyword);
|
|
path = g_build_filename (dir, basename, NULL);
|
|
g_free (basename);
|
|
|
|
contents = g_strdup_printf ("\n[Icon Data]\n\nDisplayName=%s\n",
|
|
display_name);
|
|
|
|
if (!g_file_set_contents (path, contents, strlen (contents), NULL)) {
|
|
eel_show_error_dialog (_("The emblem cannot be installed."),
|
|
_("Sorry, unable to save custom emblem name."),
|
|
GTK_WINDOW (parent_window));
|
|
g_free (contents);
|
|
g_free (path);
|
|
g_free (stat_dir);
|
|
g_free (dir);
|
|
return;
|
|
}
|
|
|
|
g_free (contents);
|
|
g_free (path);
|
|
}
|
|
|
|
/* Touch the toplevel dir */
|
|
if (g_stat (stat_dir, &stat_buf) == 0) {
|
|
ubuf.actime = stat_buf.st_atime;
|
|
ubuf.modtime = time (NULL);
|
|
utime (stat_dir, &ubuf);
|
|
}
|
|
|
|
g_free (dir);
|
|
g_free (stat_dir);
|
|
|
|
return;
|
|
}
|
|
|
|
gboolean
|
|
nautilus_emblem_can_remove_emblem (const char *keyword)
|
|
{
|
|
char *path;
|
|
gboolean ret = TRUE;
|
|
|
|
path = g_strdup_printf ("%s/.icons/hicolor/48x48/emblems/emblem-%s.png",
|
|
g_get_home_dir (), keyword);
|
|
|
|
if (g_access (path, F_OK|W_OK) != 0) {
|
|
ret = FALSE;
|
|
}
|
|
|
|
g_free (path);
|
|
|
|
return ret;
|
|
}
|
|
|
|
gboolean
|
|
nautilus_emblem_can_rename_emblem (const char *keyword)
|
|
{
|
|
char *path;
|
|
gboolean ret = TRUE;
|
|
|
|
path = g_strdup_printf ("%s/.icons/hicolor/48x48/emblems/emblem-%s.png",
|
|
g_get_home_dir (), keyword);
|
|
|
|
if (access (path, F_OK|R_OK) != 0) {
|
|
ret = FALSE;
|
|
}
|
|
|
|
g_free (path);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* of course, this only works for custom installed emblems */
|
|
gboolean
|
|
nautilus_emblem_remove_emblem (const char *keyword)
|
|
{
|
|
char *path, *dir, *stat_dir;
|
|
struct stat stat_buf;
|
|
struct utimbuf ubuf;
|
|
|
|
|
|
dir = g_strdup_printf ("%s/.icons/hicolor/48x48/emblems",
|
|
g_get_home_dir ());
|
|
stat_dir = g_strdup_printf ("%s/.icons/hicolor",
|
|
g_get_home_dir ());
|
|
|
|
path = g_strdup_printf ("%s/emblem-%s.png", dir, keyword);
|
|
|
|
/* delete the image */
|
|
if (unlink (path) != 0) {
|
|
/* couldn't delete it */
|
|
g_free (dir);
|
|
g_free (stat_dir);
|
|
g_free (path);
|
|
return FALSE;
|
|
}
|
|
|
|
g_free (path);
|
|
|
|
path = g_strdup_printf ("%s/emblem-%s.icon", dir, keyword);
|
|
|
|
if (unlink (path) != 0) {
|
|
g_free (dir);
|
|
g_free (stat_dir);
|
|
g_free (path);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Touch the toplevel dir */
|
|
if (stat (stat_dir, &stat_buf) == 0) {
|
|
ubuf.actime = stat_buf.st_atime;
|
|
ubuf.modtime = time (NULL);
|
|
utime (stat_dir, &ubuf);
|
|
}
|
|
|
|
g_free (dir);
|
|
g_free (stat_dir);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* this only works for custom emblems as well */
|
|
gboolean
|
|
nautilus_emblem_rename_emblem (const char *keyword, const char *name)
|
|
{
|
|
char *path, *dir, *stat_dir, *icon_name;
|
|
struct stat stat_buf;
|
|
struct utimbuf ubuf;
|
|
FILE *file;
|
|
|
|
dir = g_strdup_printf ("%s/.icons/hicolor/48x48/emblems",
|
|
g_get_home_dir ());
|
|
stat_dir = g_strdup_printf ("%s/.icons/hicolor",
|
|
g_get_home_dir ());
|
|
|
|
path = g_strdup_printf ("%s/emblem-%s.icon", dir, keyword);
|
|
|
|
file = fopen (path, "w+");
|
|
g_free (path);
|
|
|
|
if (file == NULL) {
|
|
g_free (dir);
|
|
g_free (stat_dir);
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/* write the new icon description */
|
|
fprintf (file, "\n[Icon Data]\n\nDisplayName=%s\n", name);
|
|
fflush (file);
|
|
fclose (file);
|
|
|
|
icon_name = nautilus_emblem_get_icon_name_from_keyword (keyword);
|
|
nautilus_icon_info_clear_caches (); /* A bit overkill, but this happens rarely */
|
|
|
|
g_free (icon_name);
|
|
|
|
/* Touch the toplevel dir */
|
|
if (stat (stat_dir, &stat_buf) == 0) {
|
|
ubuf.actime = stat_buf.st_atime;
|
|
ubuf.modtime = time (NULL);
|
|
utime (stat_dir, &ubuf);
|
|
}
|
|
|
|
g_free (dir);
|
|
g_free (stat_dir);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
char *
|
|
nautilus_emblem_create_unique_keyword (const char *base)
|
|
{
|
|
char *keyword;
|
|
time_t t;
|
|
int i;
|
|
|
|
time (&t);
|
|
i=0;
|
|
|
|
keyword = NULL;
|
|
do {
|
|
g_free (keyword);
|
|
keyword = g_strdup_printf ("user%s%d%d", base, (int)t, i++);
|
|
} while (is_reserved_keyword (keyword));
|
|
|
|
return keyword;
|
|
}
|