gimp/libgimpwidgets/gimpenumstore.c

398 lines
11 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpenumstore.c
* Copyright (C) 2004-2007 Sven Neumann <sven@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 <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "gimpwidgetstypes.h"
#include "gimpenumstore.h"
/**
* SECTION: gimpenumstore
* @title: GimpEnumStore
* @short_description: A #GimpIntStore subclass that keeps enum values.
*
* A #GimpIntStore subclass that keeps enum values.
**/
enum
{
PROP_0,
PROP_ENUM_TYPE
};
static void gimp_enum_store_finalize (GObject *object);
static void gimp_enum_store_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_enum_store_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_enum_store_add_value (GtkListStore *store,
GEnumValue *value);
G_DEFINE_TYPE (GimpEnumStore, gimp_enum_store, GIMP_TYPE_INT_STORE)
#define parent_class gimp_enum_store_parent_class
static void
gimp_enum_store_class_init (GimpEnumStoreClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gimp_enum_store_finalize;
object_class->set_property = gimp_enum_store_set_property;
object_class->get_property = gimp_enum_store_get_property;
/**
* GimpEnumStore:enum-type:
*
* Sets the #GType of the enum to be used in the store.
*
* Since: 2.4
*/
g_object_class_install_property (object_class,
PROP_ENUM_TYPE,
g_param_spec_gtype ("enum-type",
"Enum Type",
"The type of the enum",
G_TYPE_ENUM,
G_PARAM_CONSTRUCT_ONLY |
GIMP_PARAM_READWRITE));
}
static void
gimp_enum_store_init (GimpEnumStore *store)
{
}
static void
gimp_enum_store_finalize (GObject *object)
{
GimpEnumStore *store = GIMP_ENUM_STORE (object);
if (store->enum_class)
g_type_class_unref (store->enum_class);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_enum_store_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpEnumStore *store = GIMP_ENUM_STORE (object);
switch (property_id)
{
case PROP_ENUM_TYPE:
g_return_if_fail (store->enum_class == NULL);
store->enum_class = g_type_class_ref (g_value_get_gtype (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_enum_store_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpEnumStore *store = GIMP_ENUM_STORE (object);
switch (property_id)
{
case PROP_ENUM_TYPE:
g_value_set_gtype (value, (store->enum_class ?
G_TYPE_FROM_CLASS (store->enum_class) :
G_TYPE_NONE));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_enum_store_add_value (GtkListStore *store,
GEnumValue *value)
{
GtkTreeIter iter = { 0, };
const gchar *desc;
const gchar *abbrev;
gchar *stripped;
desc = gimp_enum_value_get_desc (GIMP_ENUM_STORE (store)->enum_class, value);
abbrev = gimp_enum_value_get_abbrev (GIMP_ENUM_STORE (store)->enum_class, value);
/* no mnemonics in combo boxes */
stripped = gimp_strip_uline (desc);
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
GIMP_INT_STORE_VALUE, value->value,
GIMP_INT_STORE_LABEL, stripped,
GIMP_INT_STORE_ABBREV, abbrev,
-1);
g_free (stripped);
}
/**
* gimp_enum_store_new:
* @enum_type: the #GType of an enum.
*
* Creates a new #GimpEnumStore, derived from #GtkListStore and fills
* it with enum values. The enum needs to be registered to the type
* system and should have translatable value names.
*
* Return value: a new #GimpEnumStore.
*
* Since: 2.4
**/
GtkListStore *
gimp_enum_store_new (GType enum_type)
{
GtkListStore *store;
GEnumClass *enum_class;
g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
enum_class = g_type_class_ref (enum_type);
store = gimp_enum_store_new_with_range (enum_type,
enum_class->minimum,
enum_class->maximum);
g_type_class_unref (enum_class);
return store;
}
/**
* gimp_enum_store_new_with_range:
* @enum_type: the #GType of an enum.
* @minimum: the minimum value to include
* @maximum: the maximum value to include
*
* Creates a new #GimpEnumStore like gimp_enum_store_new() but allows
* to limit the enum values to a certain range. Values smaller than
* @minimum or larger than @maximum are not added to the store.
*
* Return value: a new #GimpEnumStore.
*
* Since: 2.4
**/
GtkListStore *
gimp_enum_store_new_with_range (GType enum_type,
gint minimum,
gint maximum)
{
GtkListStore *store;
GEnumValue *value;
g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
store = g_object_new (GIMP_TYPE_ENUM_STORE,
"enum-type", enum_type,
NULL);
for (value = GIMP_ENUM_STORE (store)->enum_class->values;
value->value_name;
value++)
{
if (value->value < minimum || value->value > maximum)
continue;
gimp_enum_store_add_value (store, value);
}
return store;
}
/**
* gimp_enum_store_new_with_values
* @enum_type: the #GType of an enum.
* @n_values: the number of enum values to include
* @...: a list of enum values (exactly @n_values)
*
* Creates a new #GimpEnumStore like gimp_enum_store_new() but allows
* to explicitly list the enum values that should be added to the
* store.
*
* Return value: a new #GimpEnumStore.
*
* Since: 2.4
**/
GtkListStore *
gimp_enum_store_new_with_values (GType enum_type,
gint n_values,
...)
{
GtkListStore *store;
va_list args;
va_start (args, n_values);
store = gimp_enum_store_new_with_values_valist (enum_type, n_values, args);
va_end (args);
return store;
}
/**
* gimp_enum_store_new_with_values_valist:
* @enum_type: the #GType of an enum.
* @n_values: the number of enum values to include
* @args: a va_list of enum values (exactly @n_values)
*
* See gimp_enum_store_new_with_values().
*
* Return value: a new #GimpEnumStore.
*
* Since: 2.4
**/
GtkListStore *
gimp_enum_store_new_with_values_valist (GType enum_type,
gint n_values,
va_list args)
{
GtkListStore *store;
GEnumValue *value;
gint i;
g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
g_return_val_if_fail (n_values > 1, NULL);
store = g_object_new (GIMP_TYPE_ENUM_STORE,
"enum-type", enum_type,
NULL);
for (i = 0; i < n_values; i++)
{
value = g_enum_get_value (GIMP_ENUM_STORE (store)->enum_class,
va_arg (args, gint));
if (value)
gimp_enum_store_add_value (store, value);
}
return store;
}
/**
* gimp_enum_store_set_stock_prefix:
* @store: a #GimpEnumStore
* @stock_prefix: a prefix to create icon stock ID from enum values
*
* Creates a stock ID for each enum value in the @store by appending
* the value's nick to the given @stock_prefix, separated by a hyphen.
*
* See also: gimp_enum_combo_box_set_stock_prefix().
*
* Since: 2.4
*
* Deprecated: GIMP 2.10
**/
void
gimp_enum_store_set_stock_prefix (GimpEnumStore *store,
const gchar *stock_prefix)
{
gimp_enum_store_set_icon_prefix (store, stock_prefix);
}
/**
* gimp_enum_store_set_icon_prefix:
* @store: a #GimpEnumStore
* @icon_prefix: a prefix to create icon names from enum values
*
* Creates an icon name for each enum value in the @store by appending
* the value's nick to the given @icon_prefix, separated by a hyphen.
*
* See also: gimp_enum_combo_box_set_icon_prefix().
*
* Since: 2.10
**/
void
gimp_enum_store_set_icon_prefix (GimpEnumStore *store,
const gchar *icon_prefix)
{
GtkTreeModel *model;
GtkTreeIter iter;
gboolean iter_valid;
g_return_if_fail (GIMP_IS_ENUM_STORE (store));
model = GTK_TREE_MODEL (store);
for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (model, &iter))
{
gchar *icon_name = NULL;
if (icon_prefix)
{
GEnumValue *enum_value;
gint value;
gtk_tree_model_get (model, &iter,
GIMP_INT_STORE_VALUE, &value,
-1);
enum_value = g_enum_get_value (store->enum_class, value);
if (enum_value)
{
icon_name = g_strconcat (icon_prefix, "-",
enum_value->value_nick,
NULL);
}
}
gtk_list_store_set (GTK_LIST_STORE (store), &iter,
GIMP_INT_STORE_ICON_NAME, icon_name,
-1);
if (icon_name)
g_free (icon_name);
}
}