gimp/app/core/gimpguide.c

218 lines
5.7 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* GimpGuide
* Copyright (C) 2003 Henrik Brix Andersen <brix@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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "core-types.h"
#include "gimpguide.h"
#include "gimpmarshal.h"
enum
{
REMOVED,
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_ID,
PROP_ORIENTATION,
PROP_POSITION
};
static void gimp_guide_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_guide_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
G_DEFINE_TYPE (GimpGuide, gimp_guide, G_TYPE_OBJECT)
static guint gimp_guide_signals[LAST_SIGNAL] = { 0 };
static void
gimp_guide_class_init (GimpGuideClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
gimp_guide_signals[REMOVED] =
g_signal_new ("removed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpGuideClass, removed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
object_class->get_property = gimp_guide_get_property;
object_class->set_property = gimp_guide_set_property;
klass->removed = NULL;
g_object_class_install_property (object_class, PROP_ID,
g_param_spec_uint ("id", NULL, NULL,
0, G_MAXUINT32, 0,
G_PARAM_CONSTRUCT_ONLY |
GIMP_PARAM_READWRITE));
GIMP_CONFIG_INSTALL_PROP_ENUM (object_class, PROP_ORIENTATION,
"orientation", NULL,
GIMP_TYPE_ORIENTATION_TYPE,
GIMP_ORIENTATION_UNKNOWN,
0);
GIMP_CONFIG_INSTALL_PROP_INT (object_class, PROP_POSITION,
"position", NULL,
-1, GIMP_MAX_IMAGE_SIZE, -1,
0);
}
static void
gimp_guide_init (GimpGuide *guide)
{
}
static void
gimp_guide_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpGuide *guide = GIMP_GUIDE (object);
switch (property_id)
{
case PROP_ID:
g_value_set_uint (value, guide->guide_ID);
break;
case PROP_ORIENTATION:
g_value_set_enum (value, guide->orientation);
break;
case PROP_POSITION:
g_value_set_int (value, guide->position);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_guide_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpGuide *guide = GIMP_GUIDE (object);
switch (property_id)
{
case PROP_ID:
guide->guide_ID = g_value_get_uint (value);
break;
case PROP_ORIENTATION:
guide->orientation = g_value_get_enum (value);
break;
case PROP_POSITION:
guide->position = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
GimpGuide *
gimp_guide_new (GimpOrientationType orientation,
guint32 guide_ID)
{
return g_object_new (GIMP_TYPE_GUIDE,
"id", guide_ID,
"orientation", orientation,
NULL);
}
guint32
gimp_guide_get_ID (GimpGuide *guide)
{
g_return_val_if_fail (GIMP_IS_GUIDE (guide), 0);
return guide->guide_ID;
}
GimpOrientationType
gimp_guide_get_orientation (GimpGuide *guide)
{
g_return_val_if_fail (GIMP_IS_GUIDE (guide), GIMP_ORIENTATION_UNKNOWN);
return guide->orientation;
}
void
gimp_guide_set_orientation (GimpGuide *guide,
GimpOrientationType orientation)
{
g_return_if_fail (GIMP_IS_GUIDE (guide));
guide->orientation = orientation;
g_object_notify (G_OBJECT (guide), "orientation");
}
gint
gimp_guide_get_position (GimpGuide *guide)
{
g_return_val_if_fail (GIMP_IS_GUIDE (guide), -1);
return guide->position;
}
void
gimp_guide_set_position (GimpGuide *guide,
gint position)
{
g_return_if_fail (GIMP_IS_GUIDE (guide));
guide->position = position;
g_object_notify (G_OBJECT (guide), "position");
}
void
gimp_guide_removed (GimpGuide *guide)
{
g_return_if_fail (GIMP_IS_GUIDE (guide));
g_signal_emit (guide, gimp_guide_signals[REMOVED], 0);
}