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gimp/app/widgets/gimpdataeditor.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpdataeditor.c
* Copyright (C) 2001 Michael Natterer <mitch@gimp.org>
*
* 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 <string.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpdata.h"
#include "core/gimpdatafactory.h"
#include "config/gimpconfig-path.h"
#include "gimpdataeditor.h"
#include "gimpdocked.h"
#include "gimpitemfactory.h"
#include "gimpmenufactory.h"
#include "gimpsessioninfo.h"
#include "gimp-intl.h"
static void gimp_data_editor_class_init (GimpDataEditorClass *klass);
static void gimp_data_editor_init (GimpDataEditor *view);
static void gimp_data_editor_docked_iface_init (GimpDockedInterface *docked_iface);
static void gimp_data_editor_set_aux_info (GimpDocked *docked,
GList *aux_info);
static GList * gimp_data_editor_get_aux_info (GimpDocked *docked);
static void gimp_data_editor_dispose (GObject *object);
static void gimp_data_editor_real_set_data (GimpDataEditor *editor,
GimpData *data);
static void gimp_data_editor_name_activate (GtkWidget *widget,
GimpDataEditor *editor);
static gboolean gimp_data_editor_name_focus_out (GtkWidget *widget,
GdkEvent *event,
GimpDataEditor *editor);
static void gimp_data_editor_data_name_changed (GimpObject *object,
GimpDataEditor *editor);
static void gimp_data_editor_save_clicked (GtkWidget *widget,
GimpDataEditor *editor);
static void gimp_data_editor_revert_clicked (GtkWidget *widget,
GimpDataEditor *editor);
static void gimp_data_editor_save_dirty (GimpDataEditor *editor);
static GimpEditorClass *parent_class = NULL;
GType
gimp_data_editor_get_type (void)
{
static GType type = 0;
if (! type)
{
static const GTypeInfo view_info =
{
sizeof (GimpDataEditorClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gimp_data_editor_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpDataEditor),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_data_editor_init,
};
static const GInterfaceInfo docked_iface_info =
{
(GInterfaceInitFunc) gimp_data_editor_docked_iface_init,
NULL, /* iface_finalize */
NULL /* iface_data */
};
type = g_type_register_static (GIMP_TYPE_EDITOR,
"GimpDataEditor",
&view_info, 0);
g_type_add_interface_static (type, GIMP_TYPE_DOCKED,
&docked_iface_info);
}
return type;
}
static void
gimp_data_editor_class_init (GimpDataEditorClass *klass)
{
GObjectClass *object_class;
object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->dispose = gimp_data_editor_dispose;
klass->set_data = gimp_data_editor_real_set_data;
}
static void
gimp_data_editor_init (GimpDataEditor *editor)
{
editor->data_factory = NULL;
editor->data = NULL;
editor->data_editable = FALSE;
editor->name_entry = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (editor), editor->name_entry,
FALSE, FALSE, 0);
gtk_widget_show (editor->name_entry);
g_signal_connect (editor->name_entry, "activate",
G_CALLBACK (gimp_data_editor_name_activate),
editor);
g_signal_connect (editor->name_entry, "focus_out_event",
G_CALLBACK (gimp_data_editor_name_focus_out),
editor);
editor->save_button =
gimp_editor_add_button (GIMP_EDITOR (editor),
GTK_STOCK_SAVE,
_("Save"), NULL,
G_CALLBACK (gimp_data_editor_save_clicked),
NULL,
editor);
editor->revert_button =
gimp_editor_add_button (GIMP_EDITOR (editor),
GTK_STOCK_REVERT_TO_SAVED,
_("Revert"), NULL,
G_CALLBACK (gimp_data_editor_revert_clicked),
NULL,
editor);
}
static void
gimp_data_editor_docked_iface_init (GimpDockedInterface *docked_iface)
{
docked_iface->set_aux_info = gimp_data_editor_set_aux_info;
docked_iface->get_aux_info = gimp_data_editor_get_aux_info;
}
#define AUX_INFO_CURRENT_DATA "current-data"
static void
gimp_data_editor_set_aux_info (GimpDocked *docked,
GList *aux_info)
{
GimpDataEditor *editor = GIMP_DATA_EDITOR (docked);
GList *list;
for (list = aux_info; list; list = g_list_next (list))
{
GimpSessionInfoAux *aux = list->data;
if (! strcmp (aux->name, AUX_INFO_CURRENT_DATA))
{
GimpData *data;
data = (GimpData *)
gimp_container_get_child_by_name (editor->data_factory->container,
aux->value);
if (data)
gimp_data_editor_set_data (editor, data);
}
}
}
static GList *
gimp_data_editor_get_aux_info (GimpDocked *docked)
{
GimpDataEditor *editor = GIMP_DATA_EDITOR (docked);
GList *aux_info = NULL;
if (editor->data)
{
GimpSessionInfoAux *aux;
const gchar *value;
value = gimp_object_get_name (GIMP_OBJECT (editor->data));
aux = gimp_session_info_aux_new (AUX_INFO_CURRENT_DATA, value);
aux_info = g_list_append (aux_info, aux);
}
return aux_info;
}
static void
gimp_data_editor_dispose (GObject *object)
{
GimpDataEditor *editor;
editor = GIMP_DATA_EDITOR (object);
if (editor->data)
{
/* Save dirty data before we clear out */
gimp_data_editor_save_dirty (editor);
gimp_data_editor_set_data (editor, NULL);
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_data_editor_real_set_data (GimpDataEditor *editor,
GimpData *data)
{
if (editor->data)
{
g_signal_handlers_disconnect_by_func (editor->data,
gimp_data_editor_data_name_changed,
editor);
g_object_unref (editor->data);
}
editor->data = data;
if (editor->data)
{
g_object_ref (editor->data);
g_signal_connect (editor->data, "name_changed",
G_CALLBACK (gimp_data_editor_data_name_changed),
editor);
gtk_entry_set_text (GTK_ENTRY (editor->name_entry),
gimp_object_get_name (GIMP_OBJECT (editor->data)));
}
else
{
gtk_entry_set_text (GTK_ENTRY (editor->name_entry), "");
}
editor->data_editable = (editor->data &&
editor->data->writeable &&
! editor->data->internal);
gtk_widget_set_sensitive (editor->name_entry, editor->data_editable);
}
gboolean
gimp_data_editor_construct (GimpDataEditor *editor,
GimpDataFactory *data_factory,
GimpMenuFactory *menu_factory,
const gchar *menu_identifier)
{
GimpData *data;
g_return_val_if_fail (GIMP_IS_DATA_EDITOR (editor), FALSE);
g_return_val_if_fail (GIMP_IS_DATA_FACTORY (data_factory), FALSE);
g_return_val_if_fail (menu_factory == NULL ||
GIMP_IS_MENU_FACTORY (menu_factory), FALSE);
g_return_val_if_fail (menu_factory == NULL ||
menu_identifier != NULL, FALSE);
editor->data_factory = data_factory;
if (menu_factory && menu_identifier)
gimp_editor_create_menu (GIMP_EDITOR (editor),
menu_factory, menu_identifier, editor);
data = (GimpData *)
gimp_context_get_by_type (gimp_get_user_context (data_factory->gimp),
data_factory->container->children_type);
gimp_data_editor_set_data (editor, data);
return TRUE;
}
void
gimp_data_editor_set_data (GimpDataEditor *editor,
GimpData *data)
{
g_return_if_fail (GIMP_IS_DATA_EDITOR (editor));
g_return_if_fail (data == NULL || GIMP_IS_DATA (data));
g_return_if_fail (data == NULL ||
g_type_is_a (G_TYPE_FROM_INSTANCE (data),
editor->data_factory->container->children_type));
if (editor->data != data)
GIMP_DATA_EDITOR_GET_CLASS (editor)->set_data (editor, data);
}
GimpData *
gimp_data_editor_get_data (GimpDataEditor *editor)
{
g_return_val_if_fail (GIMP_IS_DATA_EDITOR (editor), NULL);
return editor->data;
}
/* private functions */
static void
gimp_data_editor_name_activate (GtkWidget *widget,
GimpDataEditor *editor)
{
if (editor->data)
{
const gchar *entry_text;
entry_text = gtk_entry_get_text (GTK_ENTRY (widget));
gimp_object_set_name (GIMP_OBJECT (editor->data), entry_text);
}
}
static gboolean
gimp_data_editor_name_focus_out (GtkWidget *widget,
GdkEvent *event,
GimpDataEditor *editor)
{
gimp_data_editor_name_activate (widget, editor);
return FALSE;
}
static void
gimp_data_editor_data_name_changed (GimpObject *object,
GimpDataEditor *editor)
{
gtk_entry_set_text (GTK_ENTRY (editor->name_entry),
gimp_object_get_name (object));
}
static void
gimp_data_editor_save_clicked (GtkWidget *widget,
GimpDataEditor *editor)
{
gimp_data_editor_save_dirty (editor);
}
static void
gimp_data_editor_revert_clicked (GtkWidget *widget,
GimpDataEditor *editor)
{
g_print ("TODO: implement revert\n");
}
static void
gimp_data_editor_save_dirty (GimpDataEditor *editor)
{
GimpData *data;
gchar *path = NULL;
data = editor->data;
if (! data || ! data->dirty)
return;
g_object_get (editor->data_factory->gimp->config,
editor->data_factory->path_property_name, &path,
NULL);
if (path && strlen (path))
{
gchar *tmp;
GError *error = NULL;
tmp = gimp_config_path_expand (path, TRUE, NULL);
g_free (path);
path = tmp;
if (! data->filename)
gimp_data_create_filename (data, GIMP_OBJECT (data)->name, path);
if (! gimp_data_save (data, &error))
{
/* check if there actually was an error (no error
* means the data class does not implement save)
*/
if (error)
{
g_message (_("Warning: Failed to save data:\n%s"),
error->message);
g_clear_error (&error);
}
}
}
g_free (path);
}
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