gimp/libgimpwidgets/gimpenumcombobox.c

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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 (GTK_TYPE_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 new #GtkComboBox using the #GimpEnumStore. The enum needs
* to be registered to the type system and should have translatable
* value names.
*
* 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 = gimp_enum_combo_box_new_with_model (GIMP_ENUM_STORE (store));
g_object_unref (store);
return combo_box;
}
GtkWidget *
gimp_enum_combo_box_new_with_model (GimpEnumStore *enum_store)
{
GtkWidget *combo_box;
GtkCellRenderer *cell;
g_return_val_if_fail (GIMP_IS_ENUM_STORE (enum_store), NULL);
combo_box = g_object_new (GIMP_TYPE_ENUM_COMBO_BOX,
"model", enum_store,
NULL);
cell = gtk_cell_renderer_pixbuf_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box), cell, FALSE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo_box), cell,
"pixbuf", GIMP_ENUM_STORE_ICON,
NULL);
cell = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box), cell, TRUE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo_box), cell,
"text", GIMP_ENUM_STORE_LABEL,
NULL);
return combo_box;
}
gboolean
gimp_enum_combo_box_set_active (GimpEnumComboBox *combo_box,
gint value)
{
GtkTreeModel *model;
GtkTreeIter iter;
g_return_val_if_fail (GIMP_IS_ENUM_COMBO_BOX (combo_box), FALSE);
model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
if (gimp_enum_store_lookup_by_value (model, value, &iter))
{
gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo_box), &iter);
return TRUE;
}
return FALSE;
}
gboolean
gimp_enum_combo_box_get_active (GimpEnumComboBox *combo_box,
gint *value)
{
GtkTreeIter iter;
g_return_val_if_fail (GIMP_IS_ENUM_COMBO_BOX (combo_box), FALSE);
if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (combo_box), &iter))
{
gtk_tree_model_get (gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box)),
&iter,
GIMP_ENUM_STORE_VALUE, value,
-1);
return TRUE;
}
return FALSE;
}
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_icons (GIMP_ENUM_STORE (model),
GTK_WIDGET (combo_box),
stock_prefix, GTK_ICON_SIZE_MENU);
}
/* This is a kludge to allow to work around bug #135875 */
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));
model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
if (GTK_IS_TREE_MODEL_FILTER (model))
{
filter = GTK_TREE_MODEL_FILTER (model);
}
else
{
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);
}