gimp/libgimp/gimpimagecombobox.c

131 lines
4.1 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpimagecombobox.c
* Copyright (C) 2004 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 2 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, 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 "gimp.h"
#include "gimpimagecombobox.h"
#include "gimppixbuf.h"
#define MENU_THUMBNAIL_SIZE 24
static void gimp_image_combo_box_model_add (GtkListStore *store,
gint num_images,
gint32 *images,
GimpImageConstraintFunc constraint,
gpointer data);
/**
* gimp_image_combo_box_new:
* @constraint: a #GimpImageConstraintFunc or %NULL
* @data: a pointer that is passed to @constraint
*
* Creates a new #GimpIntComboBox filled with all currently opened
* images. If a @constraint function is specified, it is called for
* each image and only if the function returns %TRUE, the image is
* added to the combobox.
*
* Use gimp_int_combo_box_set_active() to get the active image ID and
* gimp_int_combo_box_get_active() to retrieve the ID of the selected
* image.
*
* Return value: a new #GimpIntComboBox.
*
* Since: GIMP 2.2
**/
GtkWidget *
gimp_image_combo_box_new (GimpImageConstraintFunc constraint,
gpointer data)
{
GtkWidget *combo_box;
GtkTreeModel *model;
GtkTreeIter iter;
gint32 *images;
gint num_images;
combo_box = g_object_new (GIMP_TYPE_INT_COMBO_BOX, NULL);
model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
images = gimp_image_list (&num_images);
gimp_image_combo_box_model_add (GTK_LIST_STORE (model),
num_images, images,
constraint, data);
g_free (images);
if (gtk_tree_model_get_iter_first (model, &iter))
gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo_box), &iter);
return combo_box;
}
static void
gimp_image_combo_box_model_add (GtkListStore *store,
gint num_images,
gint32 *images,
GimpImageConstraintFunc constraint,
gpointer data)
{
GtkTreeIter iter;
gint i;
for (i = 0; i < num_images; i++)
{
if (! constraint || (* constraint) (images[i], data))
{
gchar *image_name = gimp_image_get_name (images[i]);
gchar *label;
GdkPixbuf *thumb;
label = g_strdup_printf ("%s-%d", image_name, images[i]);
g_free (image_name);
thumb = gimp_image_get_thumbnail (images[i],
MENU_THUMBNAIL_SIZE,
MENU_THUMBNAIL_SIZE,
GIMP_PIXBUF_SMALL_CHECKS);
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
GIMP_INT_STORE_VALUE, images[i],
GIMP_INT_STORE_LABEL, label,
GIMP_INT_STORE_PIXBUF, thumb,
-1);
if (thumb)
g_object_unref (thumb);
g_free (label);
}
}
}