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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpenumcombobox.c
* Copyright (C) 2004 Sven Neumann <sven@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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "gimpenumcombobox.h"
#include "gimpenumstore.h"
#include "gimp-intl.h"
GType
gimp_enum_combo_box_get_type (void)
{
static GType enum_combo_box_type = 0;
if (!enum_combo_box_type)
{
static const GTypeInfo enum_combo_box_info =
{
sizeof (GimpEnumComboBoxClass),
NULL, /* base_init */
NULL, /* base_finalize */
NULL, /* class_init */
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpEnumComboBox),
0, /* n_preallocs */
NULL /* instance_init */
};
enum_combo_box_type = g_type_register_static (GIMP_TYPE_INT_COMBO_BOX,
"GimpEnumComboBox",
&enum_combo_box_info, 0);
}
return enum_combo_box_type;
}
/**
* gimp_enum_combo_box_new:
* @enum_type: the #GType of an enum.
*
* Creates a #GtkComboBox readily filled with all enum values from a
* given @enum_type. The enum needs to be registered to the type
* system and should have translatable value names.
*
* This is just a convenience function. If you need more control over
* the enum values that appear in the combo_box, you can create your
* own #GimpEnumStore and use gimp_enum_combo_box_new_with_model().
*
* Return value: a new #GimpEnumComboBox.
**/
GtkWidget *
gimp_enum_combo_box_new (GType enum_type)
{
GtkListStore *store;
GtkWidget *combo_box;
g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
store = gimp_enum_store_new (enum_type);
combo_box = g_object_new (GIMP_TYPE_ENUM_COMBO_BOX,
"model", store,
NULL);
g_object_unref (store);
return combo_box;
}
/**
* gimp_enum_combo_box_set_stock_prefix:
* @combo_box: a #GimpEnumComboBox
* @stock_prefix: a prefix to create icon stock ID from enum values
*
* Attempts to create and set icons for all items in the
* @combo_box. See gimp_enum_store_set_icons() for more info.
**/
void
gimp_enum_combo_box_set_stock_prefix (GimpEnumComboBox *combo_box,
const gchar *stock_prefix)
{
GtkTreeModel *model;
g_return_if_fail (GIMP_IS_ENUM_COMBO_BOX (combo_box));
model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
gimp_enum_store_set_stock_prefix (GIMP_ENUM_STORE (model), stock_prefix);
}
/**
* gimp_enum_combo_box_set_visible:
* @combo_box: a #GimpEnumComboBox
* @func: a #GtkTreeModelFilterVisibleFunc
* @data: a pointer that is passed to @func
*
* Sets a filter on the combo_box that selectively hides items. The
* registered callback @func is called with an iter for each item and
* must return %TRUE or %FALSE indicating whether the respective row
* should be visible or not.
*
* This function must only be called once for a @combo_box. If you
* want to refresh the visibility of the items in the @combo_box
* later, call gtk_tree_model_filter_refilter() on the @combo_box's
* model.
*
* This is a kludge to allow to work around the inability of
* #GtkComboBox to set the sensitivity of it's items (bug #135875).
* It should be removed as soon as this bug is fixed (probably with
* GTK+-2.6).
**/
void
gimp_enum_combo_box_set_visible (GimpEnumComboBox *combo_box,
GtkTreeModelFilterVisibleFunc func,
gpointer data)
{
GtkTreeModel *model;
GtkTreeModelFilter *filter;
g_return_if_fail (GIMP_IS_ENUM_COMBO_BOX (combo_box));
g_return_if_fail (func != NULL);
model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
filter = GTK_TREE_MODEL_FILTER (gtk_tree_model_filter_new (model, NULL));
gtk_combo_box_set_model (GTK_COMBO_BOX (combo_box), GTK_TREE_MODEL (filter));
g_object_unref (filter);
gtk_tree_model_filter_set_visible_func (filter, func, data, NULL);
gtk_tree_model_filter_refilter (filter);
}
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