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gimp/app/widgets/gimpdataeditor.c
Michael Natterer a8257d8ded made hitting Escape in the name entry restore the data's original name. 
2005-08-08  Michael Natterer  <mitch@gimp.org>

	* app/widgets/gimpdataeditor.c: made hitting Escape in the name
	entry restore the data's original name. Enables undoing of
	accidential editing. Addresses bug #169257.
2005-08-08 01:04:26 +00:00

510 lines
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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpdataeditor.c
* Copyright (C) 2002-2004 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 <gdk/gdkkeysyms.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpdata.h"
#include "core/gimpdatafactory.h"
#include "gimpdataeditor.h"
#include "gimpdocked.h"
#include "gimpmenufactory.h"
#include "gimpsessioninfo.h"
#include "gimpuimanager.h"
#include "gimp-intl.h"
enum
{
PROP_0,
PROP_DATA_FACTORY,
PROP_DATA
};
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 GObject * gimp_data_editor_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_data_editor_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_data_editor_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_data_editor_dispose (GObject *object);
static void gimp_data_editor_set_aux_info (GimpDocked *docked,
GList *aux_info);
static GList * gimp_data_editor_get_aux_info (GimpDocked *docked);
static gchar * gimp_data_editor_get_title (GimpDocked *docked);
static void gimp_data_editor_real_set_data (GimpDataEditor *editor,
GimpData *data);
static gboolean gimp_data_editor_name_key_press (GtkWidget *widget,
GdkEventKey *kevent,
GimpDataEditor *editor);
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;
static GimpDockedInterface *parent_docked_iface = 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 = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->constructor = gimp_data_editor_constructor;
object_class->set_property = gimp_data_editor_set_property;
object_class->get_property = gimp_data_editor_get_property;
object_class->dispose = gimp_data_editor_dispose;
klass->set_data = gimp_data_editor_real_set_data;
g_object_class_install_property (object_class, PROP_DATA_FACTORY,
g_param_spec_object ("data-factory",
NULL, NULL,
GIMP_TYPE_DATA_FACTORY,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_DATA,
g_param_spec_object ("data",
NULL, NULL,
GIMP_TYPE_DATA,
G_PARAM_READWRITE));
}
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);
gtk_widget_set_sensitive (editor->name_entry, FALSE);
g_signal_connect (editor->name_entry, "key-press-event",
G_CALLBACK (gimp_data_editor_name_key_press),
editor);
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);
}
static void
gimp_data_editor_docked_iface_init (GimpDockedInterface *docked_iface)
{
parent_docked_iface = g_type_interface_peek_parent (docked_iface);
if (! parent_docked_iface)
parent_docked_iface = g_type_default_interface_peek (GIMP_TYPE_DOCKED);
docked_iface->set_aux_info = gimp_data_editor_set_aux_info;
docked_iface->get_aux_info = gimp_data_editor_get_aux_info;
docked_iface->get_title = gimp_data_editor_get_title;
}
static GObject *
gimp_data_editor_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpDataEditor *editor;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
editor = GIMP_DATA_EDITOR (object);
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);
/*
* Set insensitive because revert buttons are not yet implemented.
*/
gtk_widget_set_sensitive (editor->revert_button, FALSE);
return object;
}
static void
gimp_data_editor_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpDataEditor *editor = GIMP_DATA_EDITOR (object);
switch (property_id)
{
case PROP_DATA_FACTORY:
editor->data_factory = g_value_get_object (value);
break;
case PROP_DATA:
gimp_data_editor_set_data (editor,
(GimpData *) g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_data_editor_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpDataEditor *editor = GIMP_DATA_EDITOR (object);
switch (property_id)
{
case PROP_DATA_FACTORY:
g_value_set_object (value, editor->data_factory);
break;
case PROP_DATA:
g_value_set_object (value, editor->data);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_data_editor_dispose (GObject *object)
{
GimpDataEditor *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);
}
#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;
parent_docked_iface->set_aux_info (docked, aux_info);
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;
aux_info = parent_docked_iface->get_aux_info (docked);
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 gchar *
gimp_data_editor_get_title (GimpDocked *docked)
{
GimpDataEditor *editor = GIMP_DATA_EDITOR (docked);
GimpDataEditorClass *editor_class = GIMP_DATA_EDITOR_GET_CLASS (editor);
if (editor->data_editable)
return g_strdup (editor_class->title);
else
return g_strdup_printf (_("%s (read only)"), editor_class->title);
}
static void
gimp_data_editor_real_set_data (GimpDataEditor *editor,
GimpData *data)
{
gboolean editable;
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), "");
}
editable = (editor->data && editor->data->writable);
if (editor->data_editable != editable)
{
editor->data_editable = editable;
gtk_widget_set_sensitive (editor->name_entry, editable);
gimp_docked_title_changed (GIMP_DOCKED (editor));
}
}
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);
g_object_notify (G_OBJECT (editor), "data");
if (GIMP_EDITOR (editor)->ui_manager)
gimp_ui_manager_update (GIMP_EDITOR (editor)->ui_manager,
GIMP_EDITOR (editor)->popup_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 gboolean
gimp_data_editor_name_key_press (GtkWidget *widget,
GdkEventKey *kevent,
GimpDataEditor *editor)
{
if (kevent->keyval == GDK_Escape)
{
gtk_entry_set_text (GTK_ENTRY (editor->name_entry),
gimp_object_get_name (GIMP_OBJECT (editor->data)));
return TRUE;
}
return FALSE;
}
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 = editor->data;
if (data && data->dirty && data->writable)
gimp_data_factory_data_save_single (editor->data_factory, data);
}
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