mirror of https://github.com/GNOME/gimp.git
321 lines
7.4 KiB
C
321 lines
7.4 KiB
C
/* The GIMP -- an image manipulation program
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#include <gtk/gtk.h>
|
|
|
|
#include "apptypes.h"
|
|
|
|
#include "gimpdata.h"
|
|
#include "gimpmarshal.h"
|
|
|
|
#include "libgimp/gimpenv.h"
|
|
|
|
|
|
enum
|
|
{
|
|
DIRTY,
|
|
SAVE,
|
|
GET_EXTENSION,
|
|
DUPLICATE,
|
|
LAST_SIGNAL
|
|
};
|
|
|
|
|
|
static void gimp_data_class_init (GimpDataClass *klass);
|
|
static void gimp_data_init (GimpData *data);
|
|
static void gimp_data_destroy (GtkObject *object);
|
|
static void gimp_data_name_changed (GimpObject *object);
|
|
static void gimp_data_real_dirty (GimpData *data);
|
|
|
|
|
|
static guint data_signals[LAST_SIGNAL] = { 0 };
|
|
|
|
static GimpViewableClass *parent_class = NULL;
|
|
|
|
|
|
GtkType
|
|
gimp_data_get_type (void)
|
|
{
|
|
static GtkType data_type = 0;
|
|
|
|
if (! data_type)
|
|
{
|
|
static const GtkTypeInfo data_info =
|
|
{
|
|
"GimpData",
|
|
sizeof (GimpData),
|
|
sizeof (GimpDataClass),
|
|
(GtkClassInitFunc) gimp_data_class_init,
|
|
(GtkObjectInitFunc) gimp_data_init,
|
|
/* reserved_1 */ NULL,
|
|
/* reserved_2 */ NULL,
|
|
(GtkClassInitFunc) NULL
|
|
};
|
|
|
|
data_type = gtk_type_unique (GIMP_TYPE_VIEWABLE, &data_info);
|
|
}
|
|
|
|
return data_type;
|
|
}
|
|
|
|
static void
|
|
gimp_data_class_init (GimpDataClass *klass)
|
|
{
|
|
GtkObjectClass *object_class;
|
|
GimpObjectClass *gimp_object_class;
|
|
|
|
object_class = (GtkObjectClass *) klass;
|
|
gimp_object_class = (GimpObjectClass *) klass;
|
|
|
|
parent_class = gtk_type_class (GIMP_TYPE_VIEWABLE);
|
|
|
|
data_signals[DIRTY] =
|
|
gtk_signal_new ("dirty",
|
|
GTK_RUN_FIRST,
|
|
object_class->type,
|
|
GTK_SIGNAL_OFFSET (GimpDataClass,
|
|
dirty),
|
|
gtk_signal_default_marshaller,
|
|
GTK_TYPE_NONE, 0);
|
|
|
|
data_signals[SAVE] =
|
|
gtk_signal_new ("save",
|
|
GTK_RUN_LAST,
|
|
object_class->type,
|
|
GTK_SIGNAL_OFFSET (GimpDataClass,
|
|
save),
|
|
gtk_marshal_BOOL__NONE,
|
|
GTK_TYPE_BOOL, 0);
|
|
|
|
data_signals[GET_EXTENSION] =
|
|
gtk_signal_new ("get_extension",
|
|
GTK_RUN_LAST,
|
|
object_class->type,
|
|
GTK_SIGNAL_OFFSET (GimpDataClass,
|
|
get_extension),
|
|
gimp_marshal_POINTER__NONE,
|
|
GTK_TYPE_POINTER, 0);
|
|
|
|
data_signals[DUPLICATE] =
|
|
gtk_signal_new ("duplicate",
|
|
GTK_RUN_LAST,
|
|
object_class->type,
|
|
GTK_SIGNAL_OFFSET (GimpDataClass,
|
|
duplicate),
|
|
gimp_marshal_POINTER__NONE,
|
|
GTK_TYPE_POINTER, 0);
|
|
|
|
object_class->destroy = gimp_data_destroy;
|
|
|
|
gimp_object_class->name_changed = gimp_data_name_changed;
|
|
|
|
klass->dirty = gimp_data_real_dirty;
|
|
klass->save = NULL;
|
|
klass->get_extension = NULL;
|
|
klass->duplicate = NULL;
|
|
}
|
|
|
|
static void
|
|
gimp_data_init (GimpData *data)
|
|
{
|
|
data->filename = NULL;
|
|
data->dirty = FALSE;
|
|
}
|
|
|
|
static void
|
|
gimp_data_destroy (GtkObject *object)
|
|
{
|
|
GimpData *data;
|
|
|
|
data = GIMP_DATA (object);
|
|
|
|
g_free (data->filename);
|
|
|
|
if (GTK_OBJECT_CLASS (parent_class)->destroy)
|
|
GTK_OBJECT_CLASS (parent_class)->destroy (object);
|
|
}
|
|
|
|
static void
|
|
gimp_data_name_changed (GimpObject *object)
|
|
{
|
|
if (GIMP_OBJECT_CLASS (parent_class)->name_changed)
|
|
GIMP_OBJECT_CLASS (parent_class)->name_changed (object);
|
|
|
|
gimp_data_dirty (GIMP_DATA (object));
|
|
}
|
|
|
|
gboolean
|
|
gimp_data_save (GimpData *data)
|
|
{
|
|
gboolean success = FALSE;
|
|
|
|
g_return_val_if_fail (data != NULL, FALSE);
|
|
g_return_val_if_fail (GIMP_IS_DATA (data), FALSE);
|
|
|
|
if (! data->filename)
|
|
{
|
|
g_warning ("%s(): can't save data with NULL filename",
|
|
G_GNUC_FUNCTION);
|
|
return FALSE;
|
|
}
|
|
|
|
gtk_signal_emit (GTK_OBJECT (data), data_signals[SAVE],
|
|
&success);
|
|
|
|
if (success)
|
|
data->dirty = FALSE;
|
|
|
|
return success;
|
|
}
|
|
|
|
void
|
|
gimp_data_dirty (GimpData *data)
|
|
{
|
|
g_return_if_fail (data != NULL);
|
|
g_return_if_fail (GIMP_IS_DATA (data));
|
|
|
|
gtk_signal_emit (GTK_OBJECT (data), data_signals[DIRTY]);
|
|
}
|
|
|
|
static void
|
|
gimp_data_real_dirty (GimpData *data)
|
|
{
|
|
data->dirty = TRUE;
|
|
|
|
gimp_viewable_invalidate_preview (GIMP_VIEWABLE (data));
|
|
}
|
|
|
|
gboolean
|
|
gimp_data_delete_from_disk (GimpData *data)
|
|
{
|
|
g_return_val_if_fail (data != NULL, FALSE);
|
|
g_return_val_if_fail (GIMP_IS_DATA (data), FALSE);
|
|
g_return_val_if_fail (data->filename != NULL, FALSE);
|
|
|
|
if (unlink (data->filename) == -1)
|
|
{
|
|
g_message ("%s(): could not unlink() %s: %s",
|
|
G_GNUC_FUNCTION, data->filename, g_strerror (errno));
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
const gchar *
|
|
gimp_data_get_extension (GimpData *data)
|
|
{
|
|
const gchar *extension = NULL;
|
|
|
|
g_return_val_if_fail (data != NULL, NULL);
|
|
g_return_val_if_fail (GIMP_IS_DATA (data), NULL);
|
|
|
|
gtk_signal_emit (GTK_OBJECT (data), data_signals[GET_EXTENSION],
|
|
&extension);
|
|
|
|
return extension;
|
|
}
|
|
|
|
void
|
|
gimp_data_set_filename (GimpData *data,
|
|
const gchar *filename)
|
|
{
|
|
g_return_if_fail (data != NULL);
|
|
g_return_if_fail (GIMP_IS_DATA (data));
|
|
|
|
g_free (data->filename);
|
|
|
|
data->filename = g_strdup (filename);
|
|
}
|
|
|
|
void
|
|
gimp_data_create_filename (GimpData *data,
|
|
const gchar *basename,
|
|
const gchar *data_path)
|
|
{
|
|
GList *path;
|
|
gchar *dir;
|
|
gchar *filename;
|
|
gchar *safe_name;
|
|
gint i;
|
|
gint unum = 1;
|
|
FILE *file;
|
|
|
|
g_return_if_fail (data != NULL);
|
|
g_return_if_fail (GIMP_IS_DATA (data));
|
|
g_return_if_fail (basename != NULL);
|
|
g_return_if_fail (data_path != NULL);
|
|
|
|
path = gimp_path_parse (data_path, 16, TRUE, NULL);
|
|
dir = gimp_path_get_user_writable_dir (path);
|
|
gimp_path_free (path);
|
|
|
|
if (! dir)
|
|
return;
|
|
|
|
safe_name = g_strdup (basename);
|
|
if (safe_name[0] == '.')
|
|
safe_name[0] = '_';
|
|
for (i = 0; safe_name[i]; i++)
|
|
if (safe_name[i] == G_DIR_SEPARATOR || isspace (safe_name[i]))
|
|
safe_name[i] = '_';
|
|
|
|
filename = g_strdup_printf ("%s%s%s",
|
|
dir, safe_name,
|
|
gimp_data_get_extension (data));
|
|
|
|
while ((file = fopen (filename, "r")))
|
|
{
|
|
fclose (file);
|
|
|
|
g_free (filename);
|
|
filename = g_strdup_printf ("%s%s_%d%s",
|
|
dir, safe_name, unum,
|
|
gimp_data_get_extension (data));
|
|
unum++;
|
|
}
|
|
|
|
g_free (dir);
|
|
g_free (safe_name);
|
|
|
|
gimp_data_set_filename (data, filename);
|
|
|
|
g_free (filename);
|
|
}
|
|
|
|
GimpData *
|
|
gimp_data_duplicate (GimpData *data)
|
|
{
|
|
GimpData *new_data = NULL;
|
|
|
|
gtk_signal_emit (GTK_OBJECT (data), data_signals[DUPLICATE],
|
|
&new_data);
|
|
|
|
return new_data;
|
|
}
|