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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* GimpImageParasiteView
* Copyright (C) 2006 Sven Neumann <sven@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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpimage.h"
#include "core/gimpmarshal.h"
#include "gimpimageparasiteview.h"
enum
{
PROP_0,
PROP_IMAGE,
PROP_PARASITE
};
enum
{
UPDATE,
LAST_SIGNAL
};
static void gimp_image_parasite_view_constructed (GObject *object);
static void gimp_image_parasite_view_finalize (GObject *object);
static void gimp_image_parasite_view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_image_parasite_view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_image_parasite_view_parasite_changed (GimpImageParasiteView *view,
const gchar *name);
static void gimp_image_parasite_view_update (GimpImageParasiteView *view);
G_DEFINE_TYPE (GimpImageParasiteView, gimp_image_parasite_view, GTK_TYPE_BOX)
#define parent_class gimp_image_parasite_view_parent_class
static guint view_signals[LAST_SIGNAL] = { 0 };
static void
gimp_image_parasite_view_class_init (GimpImageParasiteViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
view_signals[UPDATE] =
g_signal_new ("update",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpImageParasiteViewClass, update),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
object_class->constructed = gimp_image_parasite_view_constructed;
object_class->finalize = gimp_image_parasite_view_finalize;
object_class->set_property = gimp_image_parasite_view_set_property;
object_class->get_property = gimp_image_parasite_view_get_property;
klass->update = NULL;
g_object_class_install_property (object_class, PROP_IMAGE,
g_param_spec_object ("image", NULL, NULL,
GIMP_TYPE_IMAGE,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_PARASITE,
g_param_spec_string ("parasite", NULL, NULL,
NULL,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
gimp_image_parasite_view_init (GimpImageParasiteView *view)
{
gtk_orientable_set_orientation (GTK_ORIENTABLE (view),
GTK_ORIENTATION_VERTICAL);
view->parasite = NULL;
}
static void
gimp_image_parasite_view_constructed (GObject *object)
{
GimpImageParasiteView *view = GIMP_IMAGE_PARASITE_VIEW (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
gimp_assert (view->parasite != NULL);
gimp_assert (view->image != NULL);
g_signal_connect_object (view->image, "parasite-attached",
G_CALLBACK (gimp_image_parasite_view_parasite_changed),
G_OBJECT (view),
G_CONNECT_SWAPPED);
g_signal_connect_object (view->image, "parasite-detached",
G_CALLBACK (gimp_image_parasite_view_parasite_changed),
G_OBJECT (view),
G_CONNECT_SWAPPED);
gimp_image_parasite_view_update (view);
}
static void
gimp_image_parasite_view_finalize (GObject *object)
{
GimpImageParasiteView *view = GIMP_IMAGE_PARASITE_VIEW (object);
g_clear_pointer (&view->parasite, g_free);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_image_parasite_view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpImageParasiteView *view = GIMP_IMAGE_PARASITE_VIEW (object);
switch (property_id)
{
case PROP_IMAGE:
view->image = g_value_get_object (value);
break;
case PROP_PARASITE:
view->parasite = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_image_parasite_view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpImageParasiteView *view = GIMP_IMAGE_PARASITE_VIEW (object);
switch (property_id)
{
case PROP_IMAGE:
g_value_set_object (value, view->image);
break;
case PROP_PARASITE:
g_value_set_string (value, view->parasite);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
GtkWidget *
gimp_image_parasite_view_new (GimpImage *image,
const gchar *parasite)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (parasite != NULL, NULL);
return g_object_new (GIMP_TYPE_IMAGE_PARASITE_VIEW,
"image", image,
"parasite", parasite,
NULL);
}
GimpImage *
gimp_image_parasite_view_get_image (GimpImageParasiteView *view)
{
g_return_val_if_fail (GIMP_IS_IMAGE_PARASITE_VIEW (view), NULL);
return view->image;
}
const GimpParasite *
gimp_image_parasite_view_get_parasite (GimpImageParasiteView *view)
{
g_return_val_if_fail (GIMP_IS_IMAGE_PARASITE_VIEW (view), NULL);
return gimp_image_parasite_find (view->image, view->parasite);
}
/* private functions */
static void
gimp_image_parasite_view_parasite_changed (GimpImageParasiteView *view,
const gchar *name)
{
if (name && view->parasite && strcmp (name, view->parasite) == 0)
gimp_image_parasite_view_update (view);
}
static void
gimp_image_parasite_view_update (GimpImageParasiteView *view)
{
g_signal_emit (view, view_signals[UPDATE], 0);
}
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