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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-2000 Peter Mattis and Spencer Kimball
*
* gimpdisplay.c
* Copyright (C) Jehan
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gimp.h"
#include "libgimpbase/gimpwire.h" /* FIXME kill this include */
#include "gimpplugin-private.h"
enum
{
PROP_0,
PROP_ID,
N_PROPS
};
struct _GimpDisplay
{
GObject parent_instance;
gint id;
};
static void gimp_display_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_display_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
G_DEFINE_TYPE (GimpDisplay, gimp_display, G_TYPE_OBJECT)
#define parent_class gimp_display_parent_class
static GParamSpec *props[N_PROPS] = { NULL, };
static void
gimp_display_class_init (GimpDisplayClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = gimp_display_set_property;
object_class->get_property = gimp_display_get_property;
props[PROP_ID] =
g_param_spec_int ("id",
"The display id",
"The display id for internal use",
0, G_MAXINT32, 0,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_properties (object_class, N_PROPS, props);
}
static void
gimp_display_init (GimpDisplay *display)
{
}
static void
gimp_display_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpDisplay *display = GIMP_DISPLAY (object);
switch (property_id)
{
case PROP_ID:
display->id = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_display_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpDisplay *display = GIMP_DISPLAY (object);
switch (property_id)
{
case PROP_ID:
g_value_set_int (value, display->id);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
/* Public API */
/**
* gimp_display_get_id:
* @display: The display.
*
* Note: in most use cases, you should not need a display's ID which is
* mostly internal data and not reusable across sessions.
*
* Returns: the display ID.
*
* Since: 3.0
**/
gint32
gimp_display_get_id (GimpDisplay *display)
{
return display ? display->id : -1;
}
/**
* gimp_display_get_by_id:
* @display_id: The display id.
*
* Returns a #GimpDisplay representing @display_id.
*
* Note: in most use cases, you should not need to retrieve a
* #GimpDisplay by its ID, which is mostly internal data and not
* reusable across sessions. Use the appropriate functions for your use
* case instead.
*
* Returns: (nullable) (transfer none): a #GimpDisplay for @display_id or
* %NULL if @display_id does not represent a valid display.
* The object belongs to libgimp and you must not modify or
* unref it.
*
* Since: 3.0
**/
GimpDisplay *
gimp_display_get_by_id (gint32 display_id)
{
if (display_id > 0)
{
GimpPlugIn *plug_in = gimp_get_plug_in ();
return _gimp_plug_in_get_display (plug_in, display_id);
}
return NULL;
}
/**
* gimp_display_is_valid:
* @display: The display to check.
*
* Returns TRUE if the display is valid.
*
* This procedure checks if the given display is valid and refers to
* an existing display.
*
* Returns: Whether the display is valid.
*
* Since: 2.4
**/
gboolean
gimp_display_is_valid (GimpDisplay *display)
{
return gimp_display_id_is_valid (gimp_display_get_id (display));
}
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