mirror of https://github.com/GNOME/gimp.git
355 lines
9.7 KiB
C
355 lines
9.7 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimpenumstore.c
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* Copyright (C) 2004-2007 Sven Neumann <sven@gimp.org>
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "libgimpbase/gimpbase.h"
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#include "gimpwidgetstypes.h"
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#include "gimpenumstore.h"
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enum
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{
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PROP_0,
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PROP_ENUM_TYPE
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};
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static void gimp_enum_store_finalize (GObject *object);
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static void gimp_enum_store_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gimp_enum_store_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void gimp_enum_store_add_value (GtkListStore *store,
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GEnumValue *value);
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G_DEFINE_TYPE (GimpEnumStore, gimp_enum_store, GIMP_TYPE_INT_STORE)
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#define parent_class gimp_enum_store_parent_class
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static void
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gimp_enum_store_class_init (GimpEnumStoreClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gimp_enum_store_finalize;
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object_class->set_property = gimp_enum_store_set_property;
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object_class->get_property = gimp_enum_store_get_property;
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/**
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* GimpEnumStore:enum-type:
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*
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* Sets the #GType of the enum to be used in the store.
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*
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* Since: GIMP 2.4
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*/
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g_object_class_install_property (object_class,
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PROP_ENUM_TYPE,
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g_param_spec_gtype ("enum-type",
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NULL, NULL,
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G_TYPE_ENUM,
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G_PARAM_CONSTRUCT_ONLY |
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GIMP_PARAM_READWRITE));
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}
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static void
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gimp_enum_store_init (GimpEnumStore *store)
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{
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}
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static void
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gimp_enum_store_finalize (GObject *object)
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{
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GimpEnumStore *store = GIMP_ENUM_STORE (object);
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if (store->enum_class)
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g_type_class_unref (store->enum_class);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gimp_enum_store_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GimpEnumStore *store = GIMP_ENUM_STORE (object);
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switch (property_id)
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{
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case PROP_ENUM_TYPE:
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g_return_if_fail (store->enum_class == NULL);
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store->enum_class = g_type_class_ref (g_value_get_gtype (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_enum_store_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GimpEnumStore *store = GIMP_ENUM_STORE (object);
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switch (property_id)
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{
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case PROP_ENUM_TYPE:
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g_value_set_gtype (value, (store->enum_class ?
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G_TYPE_FROM_CLASS (store->enum_class) :
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G_TYPE_NONE));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_enum_store_add_value (GtkListStore *store,
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GEnumValue *value)
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{
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GtkTreeIter iter;
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const gchar *desc;
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desc = gimp_enum_value_get_desc (GIMP_ENUM_STORE (store)->enum_class, value);
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter,
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GIMP_INT_STORE_VALUE, value->value,
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GIMP_INT_STORE_LABEL, desc,
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-1);
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}
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/**
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* gimp_enum_store_new:
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* @enum_type: the #GType of an enum.
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*
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* Creates a new #GimpEnumStore, derived from #GtkListStore and fills
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* it with enum values. The enum needs to be registered to the type
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* system and should have translatable value names.
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*
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* Return value: a new #GimpEnumStore.
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*
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* Since: GIMP 2.4
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**/
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GtkListStore *
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gimp_enum_store_new (GType enum_type)
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{
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GtkListStore *store;
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GEnumClass *enum_class;
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g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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enum_class = g_type_class_ref (enum_type);
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store = gimp_enum_store_new_with_range (enum_type,
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enum_class->minimum,
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enum_class->maximum);
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g_type_class_unref (enum_class);
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return store;
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}
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/**
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* gimp_enum_store_new_with_range:
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* @enum_type: the #GType of an enum.
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* @minimum: the minimum value to include
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* @maximum: the maximum value to include
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*
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* Creates a new #GimpEnumStore like gimp_enum_store_new() but allows
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* to limit the enum values to a certain range. Values smaller than
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* @minimum or larger than @maximum are not added to the store.
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*
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* Return value: a new #GimpEnumStore.
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*
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* Since: GIMP 2.4
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**/
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GtkListStore *
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gimp_enum_store_new_with_range (GType enum_type,
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gint minimum,
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gint maximum)
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{
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GtkListStore *store;
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GEnumValue *value;
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g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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store = g_object_new (GIMP_TYPE_ENUM_STORE,
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"enum-type", enum_type,
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NULL);
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for (value = GIMP_ENUM_STORE (store)->enum_class->values;
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value->value_name;
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value++)
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{
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if (value->value < minimum || value->value > maximum)
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continue;
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gimp_enum_store_add_value (store, value);
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}
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return store;
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}
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/**
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* gimp_enum_store_new_with_values
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* @enum_type: the #GType of an enum.
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* @n_values: the number of enum values to include
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* @...: a list of enum values (exactly @n_values)
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*
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* Creates a new #GimpEnumStore like gimp_enum_store_new() but allows
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* to expliticely list the enum values that should be added to the
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* store.
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*
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* Return value: a new #GimpEnumStore.
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*
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* Since: GIMP 2.4
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**/
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GtkListStore *
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gimp_enum_store_new_with_values (GType enum_type,
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gint n_values,
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...)
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{
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GtkListStore *store;
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va_list args;
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va_start (args, n_values);
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store = gimp_enum_store_new_with_values_valist (enum_type, n_values, args);
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va_end (args);
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return store;
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}
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/**
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* gimp_enum_store_new_with_values_valist:
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* @enum_type: the #GType of an enum.
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* @n_values: the number of enum values to include
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* @args: a va_list of enum values (exactly @n_values)
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*
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* See gimp_enum_store_new_with_values().
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*
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* Return value: a new #GimpEnumStore.
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*
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* Since: GIMP 2.4
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**/
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GtkListStore *
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gimp_enum_store_new_with_values_valist (GType enum_type,
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gint n_values,
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va_list args)
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{
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GtkListStore *store;
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GEnumValue *value;
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gint i;
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g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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g_return_val_if_fail (n_values > 1, NULL);
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store = g_object_new (GIMP_TYPE_ENUM_STORE,
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"enum-type", enum_type,
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NULL);
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for (i = 0; i < n_values; i++)
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{
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value = g_enum_get_value (GIMP_ENUM_STORE (store)->enum_class,
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va_arg (args, gint));
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if (value)
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gimp_enum_store_add_value (store, value);
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}
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return store;
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}
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/**
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* gimp_enum_store_set_stock_prefix:
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* @store: a #GimpEnumStore
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* @stock_prefix: a prefix to create icon stock ID from enum values
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*
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* Creates a stock ID for each enum value in the @store by appending
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* the value's nick to the given @stock_prefix, separated by a hyphen.
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*
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* See also: gimp_enum_combo_box_set_stock_prefix().
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*
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* Since: GIMP 2.4
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**/
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void
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gimp_enum_store_set_stock_prefix (GimpEnumStore *store,
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const gchar *stock_prefix)
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{
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GtkTreeModel *model;
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GtkTreeIter iter;
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gboolean iter_valid;
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g_return_if_fail (GIMP_IS_ENUM_STORE (store));
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model = GTK_TREE_MODEL (store);
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for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
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iter_valid;
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iter_valid = gtk_tree_model_iter_next (model, &iter))
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{
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gchar *stock_id = NULL;
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if (stock_prefix)
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{
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GEnumValue *enum_value;
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gint value;
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gtk_tree_model_get (model, &iter,
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GIMP_INT_STORE_VALUE, &value,
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-1);
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enum_value = g_enum_get_value (store->enum_class, value);
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stock_id = g_strconcat (stock_prefix, "-",
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enum_value->value_nick,
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NULL);
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}
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gtk_list_store_set (GTK_LIST_STORE (store), &iter,
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GIMP_INT_STORE_STOCK_ID, stock_id,
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-1);
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if (stock_id)
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g_free (stock_id);
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}
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}
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