PIKApp/libpikaconfig/pikaconfig-params.c

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2023-09-26 00:35:21 +02:00
/* LIBPIKA - The PIKA Library
* Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
*
* pikaconfig-params.c
* Copyright (C) 2008-2019 Michael Natterer <mitch@gimp.org>
*
* 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 <cairo.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include <gegl-paramspecs.h>
#include "libpikabase/pikabase.h"
#include "libpikacolor/pikacolor.h"
#include "libpikaconfig/pikaconfig.h"
#include "pikaconfig.h"
/**
* SECTION: pikaconfig-params
* @title: PikaConfig-params
* @short_description: Macros and defines to install config properties.
*
* Macros and defines to install config properties.
**/
static gboolean
pika_gegl_param_spec_has_key (GParamSpec *pspec,
const gchar *key,
const gchar *value)
{
const gchar *v = gegl_param_spec_get_property_key (pspec, key);
if (v && ! strcmp (v, value))
return TRUE;
return FALSE;
}
/**
* pika_config_param_spec_duplicate:
* @pspec: the #GParamSpec to duplicate
*
* Creates an exact copy of @pspec, with all its properties, returns
* %NULL if @pspec is of an unknown type that can't be duplicated.
*
* Return: (transfer full): The new #GParamSpec, or %NULL.
*
* Since: 3.0
**/
GParamSpec *
pika_config_param_spec_duplicate (GParamSpec *pspec)
{
GParamSpec *copy = NULL;
const gchar *name;
const gchar *nick;
const gchar *blurb;
GParamFlags flags;
g_return_val_if_fail (pspec != NULL, NULL);
name = pspec->name;
nick = g_param_spec_get_nick (pspec);
blurb = g_param_spec_get_blurb (pspec);
flags = pspec->flags;
/* this special case exists for the GEGL tool, we don't want this
* property serialized
*/
if (! pika_gegl_param_spec_has_key (pspec, "role", "output-extent"))
flags |= PIKA_CONFIG_PARAM_SERIALIZE;
if (G_IS_PARAM_SPEC_STRING (pspec))
{
GParamSpecString *spec = G_PARAM_SPEC_STRING (pspec);
if (GEGL_IS_PARAM_SPEC_FILE_PATH (pspec))
{
copy = pika_param_spec_config_path (name, nick, blurb,
PIKA_CONFIG_PATH_FILE,
spec->default_value,
flags);
}
else if (PIKA_IS_PARAM_SPEC_CONFIG_PATH (pspec))
{
copy = pika_param_spec_config_path (name, nick, blurb,
pika_param_spec_config_path_type (pspec),
spec->default_value,
flags);
}
else
{
copy = g_param_spec_string (name, nick, blurb,
spec->default_value,
flags);
}
}
else if (G_IS_PARAM_SPEC_BOOLEAN (pspec))
{
GParamSpecBoolean *spec = G_PARAM_SPEC_BOOLEAN (pspec);
copy = g_param_spec_boolean (name, nick, blurb,
spec->default_value,
flags);
}
else if (G_IS_PARAM_SPEC_ENUM (pspec))
{
GParamSpecEnum *spec = G_PARAM_SPEC_ENUM (pspec);
copy = g_param_spec_enum (name, nick, blurb,
G_TYPE_FROM_CLASS (spec->enum_class),
spec->default_value,
flags);
}
else if (G_IS_PARAM_SPEC_DOUBLE (pspec))
{
GParamSpecDouble *spec = G_PARAM_SPEC_DOUBLE (pspec);
if (GEGL_IS_PARAM_SPEC_DOUBLE (pspec))
{
GeglParamSpecDouble *gspec = GEGL_PARAM_SPEC_DOUBLE (pspec);
copy = gegl_param_spec_double (name, nick, blurb,
spec->minimum,
spec->maximum,
spec->default_value,
gspec->ui_minimum,
gspec->ui_maximum,
gspec->ui_gamma,
flags);
gegl_param_spec_double_set_steps (GEGL_PARAM_SPEC_DOUBLE (copy),
gspec->ui_step_small,
gspec->ui_step_big);
gegl_param_spec_double_set_digits (GEGL_PARAM_SPEC_DOUBLE (copy),
gspec->ui_digits);
}
else
{
copy = g_param_spec_double (name, nick, blurb,
spec->minimum,
spec->maximum,
spec->default_value,
flags);
}
}
else if (G_IS_PARAM_SPEC_FLOAT (pspec))
{
GParamSpecFloat *spec = G_PARAM_SPEC_FLOAT (pspec);
copy = g_param_spec_float (name, nick, blurb,
spec->minimum,
spec->maximum,
spec->default_value,
flags);
}
else if (G_IS_PARAM_SPEC_INT (pspec))
{
GParamSpecInt *spec = G_PARAM_SPEC_INT (pspec);
if (GEGL_IS_PARAM_SPEC_INT (pspec))
{
GeglParamSpecInt *gspec = GEGL_PARAM_SPEC_INT (pspec);
copy = gegl_param_spec_int (name, nick, blurb,
spec->minimum,
spec->maximum,
spec->default_value,
gspec->ui_minimum,
gspec->ui_maximum,
gspec->ui_gamma,
flags);
gegl_param_spec_int_set_steps (GEGL_PARAM_SPEC_INT (copy),
gspec->ui_step_small,
gspec->ui_step_big);
}
else if (PIKA_IS_PARAM_SPEC_UNIT (pspec))
{
PikaParamSpecUnit *spec = PIKA_PARAM_SPEC_UNIT (pspec);
GParamSpecInt *ispec = G_PARAM_SPEC_INT (pspec);
copy = pika_param_spec_unit (name, nick, blurb,
ispec->minimum == PIKA_UNIT_PIXEL,
spec->allow_percent,
ispec->default_value,
flags);
}
else
{
copy = g_param_spec_int (name, nick, blurb,
spec->minimum,
spec->maximum,
spec->default_value,
flags);
}
}
else if (G_IS_PARAM_SPEC_UINT (pspec))
{
GParamSpecUInt *spec = G_PARAM_SPEC_UINT (pspec);
if (GEGL_IS_PARAM_SPEC_SEED (pspec))
{
GeglParamSpecSeed *gspec = GEGL_PARAM_SPEC_SEED (pspec);
copy = gegl_param_spec_seed (name, nick, blurb,
flags);
G_PARAM_SPEC_UINT (copy)->minimum = spec->minimum;
G_PARAM_SPEC_UINT (copy)->maximum = spec->maximum;
G_PARAM_SPEC_UINT (copy)->default_value = spec->default_value;
GEGL_PARAM_SPEC_SEED (copy)->ui_minimum = gspec->ui_minimum;
GEGL_PARAM_SPEC_SEED (copy)->ui_maximum = gspec->ui_maximum;
}
else
{
copy = g_param_spec_uint (name, nick, blurb,
spec->minimum,
spec->maximum,
spec->default_value,
flags);
}
}
else if (PIKA_IS_PARAM_SPEC_RGB (pspec))
{
PikaRGB color;
pika_param_spec_rgb_get_default (pspec, &color);
copy = pika_param_spec_rgb (name, nick, blurb,
pika_param_spec_rgb_has_alpha (pspec),
&color,
flags);
}
/* In some cases, such as some GIR bindings, creating a PikaRGB
* argument is impossible (or at least I have not found how, at least
* in the Python binding which is doing some weird shortcuts when
* handling GValue and param specs. So instead, the parameter appears
* as a Boxed param with a PikaRGB value type.
*/
else if (G_IS_PARAM_SPEC_BOXED (pspec) &&
G_PARAM_SPEC_VALUE_TYPE (pspec) == PIKA_TYPE_RGB)
{
GValue *value;
PikaRGB color;
value = (GValue *) g_param_spec_get_default_value (pspec);
pika_value_get_rgb (value, &color);
copy = pika_param_spec_rgb (name, nick, blurb,
TRUE, &color, flags);
}
else if (GEGL_IS_PARAM_SPEC_COLOR (pspec))
{
GeglColor *gegl_color;
PikaRGB pika_color;
gdouble r = 0.0;
gdouble g = 0.0;
gdouble b = 0.0;
gdouble a = 1.0;
GValue value = G_VALUE_INIT;
g_value_init (&value, GEGL_TYPE_COLOR);
g_param_value_set_default (pspec, &value);
gegl_color = g_value_get_object (&value);
if (gegl_color)
gegl_color_get_rgba (gegl_color, &r, &g, &b, &a);
pika_rgba_set (&pika_color, r, g, b, a);
g_value_unset (&value);
copy = pika_param_spec_rgb (name, nick, blurb,
TRUE,
&pika_color,
flags);
}
else if (G_IS_PARAM_SPEC_PARAM (pspec))
{
copy = g_param_spec_param (name, nick, blurb,
G_PARAM_SPEC_VALUE_TYPE (pspec),
flags);
}
else if (PIKA_IS_PARAM_SPEC_PARASITE (pspec))
{
copy = pika_param_spec_parasite (name, nick, blurb,
flags);
}
else if (PIKA_IS_PARAM_SPEC_ARRAY (pspec))
{
if (PIKA_IS_PARAM_SPEC_INT32_ARRAY (pspec))
{
copy = pika_param_spec_int32_array (name, nick, blurb,
flags);
}
else if (PIKA_IS_PARAM_SPEC_FLOAT_ARRAY (pspec))
{
copy = pika_param_spec_float_array (name, nick, blurb,
flags);
}
else if (PIKA_IS_PARAM_SPEC_RGB_ARRAY (pspec))
{
copy = pika_param_spec_rgb_array (name, nick, blurb,
flags);
}
}
else if (PIKA_IS_PARAM_SPEC_OBJECT_ARRAY (pspec))
{
PikaParamSpecObjectArray *spec = PIKA_PARAM_SPEC_OBJECT_ARRAY (pspec);
copy = pika_param_spec_object_array (name, nick, blurb,
spec->object_type,
flags);
}
else if (G_IS_PARAM_SPEC_OBJECT (pspec))
{
GType value_type = G_PARAM_SPEC_VALUE_TYPE (pspec);
const gchar *type_name = g_type_name (value_type);
if (value_type == G_TYPE_FILE ||
/* These types are not visibile in libpikaconfig so we compare
* with type names instead.
*/
g_strcmp0 (type_name, "PikaImage") == 0 ||
g_strcmp0 (type_name, "PikaDrawable") == 0 ||
g_strcmp0 (type_name, "PikaLayer") == 0 ||
g_strcmp0 (type_name, "PikaChannel") == 0 ||
g_strcmp0 (type_name, "PikaSelection") == 0 ||
g_strcmp0 (type_name, "PikaBrush") == 0 ||
g_strcmp0 (type_name, "PikaFont") == 0 ||
g_strcmp0 (type_name, "PikaGradient") == 0 ||
g_strcmp0 (type_name, "PikaPalette") == 0 ||
g_strcmp0 (type_name, "PikaPattern") == 0 ||
g_strcmp0 (type_name, "PikaVectors") == 0)
{
copy = g_param_spec_object (name, nick, blurb,
value_type,
flags);
}
}
else if (G_IS_PARAM_SPEC_BOXED (pspec))
{
GType value_type = G_PARAM_SPEC_VALUE_TYPE (pspec);
if (value_type == G_TYPE_BYTES ||
value_type == G_TYPE_STRV)
{
copy = g_param_spec_boxed (name, nick, blurb, value_type, flags);
}
}
if (copy)
{
GQuark quark = 0;
GHashTable *keys;
if (G_UNLIKELY (! quark))
quark = g_quark_from_static_string ("gegl-property-keys");
keys = g_param_spec_get_qdata (pspec, quark);
if (keys)
g_param_spec_set_qdata_full (copy, quark, g_hash_table_ref (keys),
(GDestroyNotify) g_hash_table_unref);
}
return copy;
}