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gimp/libgimp/gimpdrawablecombobox.c

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpdrawablecombobox.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 "gimpdrawablecombobox.h"
#include "gimppixbuf.h"
#define MENU_THUMBNAIL_SIZE 24
static gint gimp_drawable_combo_box_model_add (GtkListStore *store,
gint32 image,
gint num_drawables,
gint32 *drawables,
GimpDrawableConstraintFunc constraint,
gpointer data);
/**
* gimp_drawable_combo_box_new:
* @constraint: a #GimpDrawableConstraintFunc or %NULL
* @data: a pointer that is passed to @constraint
*
* Creates a new #GimpIntComboBox filled with all currently opened
* drawables. If a @constraint function is specified, it is called for
* each drawable and only if the function returns %TRUE, the drawable
* is added to the combobox.
*
* You should use gimp_int_combo_box_connect() to initialize and connect
* the combo. Use gimp_int_combo_box_set_active() to get the active
* drawable ID and gimp_int_combo_box_get_active() to retrieve the ID
* of the selected drawable.
*
* Return value: a new #GimpIntComboBox.
*
* Since: GIMP 2.2
**/
GtkWidget *
gimp_drawable_combo_box_new (GimpDrawableConstraintFunc constraint,
gpointer data)
{
GtkWidget *combo_box;
GtkTreeModel *model;
GtkTreeIter iter;
gint32 *images;
gint num_images;
gint i;
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);
for (i = 0; i < num_images; i++)
{
gint32 *drawables;
gint num_drawables;
drawables = gimp_image_get_layers (images[i], &num_drawables);
gimp_drawable_combo_box_model_add (GTK_LIST_STORE (model),
images[i],
num_drawables, drawables,
constraint, data);
g_free (drawables);
drawables = gimp_image_get_channels (images[i], &num_drawables);
gimp_drawable_combo_box_model_add (GTK_LIST_STORE (model),
images[i],
num_drawables, drawables,
constraint, data);
g_free (drawables);
}
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;
}
/**
* gimp_channel_combo_box_new:
* @constraint: a #GimpDrawableConstraintFunc or %NULL
* @data: a pointer that is passed to @constraint
*
* Creates a new #GimpIntComboBox filled with all currently opened
* channels. See gimp_drawable_combo_box() for more info.
*
* Return value: a new #GimpIntComboBox.
*
* Since: GIMP 2.2
**/
GtkWidget *
gimp_channel_combo_box_new (GimpDrawableConstraintFunc constraint,
gpointer data)
{
GtkWidget *combo_box;
GtkTreeModel *model;
GtkTreeIter iter;
gint32 *images;
gint num_images;
gint i;
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);
for (i = 0; i < num_images; i++)
{
gint32 *drawables;
gint num_drawables;
drawables = gimp_image_get_channels (images[i], &num_drawables);
gimp_drawable_combo_box_model_add (GTK_LIST_STORE (model),
images[i],
num_drawables, drawables,
constraint, data);
g_free (drawables);
}
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;
}
/**
* gimp_layer_combo_box_new:
* @constraint: a #GimpDrawableConstraintFunc or %NULL
* @data: a pointer that is passed to @constraint
*
* Creates a new #GimpIntComboBox filled with all currently opened
* layers. See gimp_drawable_combo_box() for more info.
*
* Return value: a new #GimpIntComboBox.
*
* Since: GIMP 2.2
**/
GtkWidget *
gimp_layer_combo_box_new (GimpDrawableConstraintFunc constraint,
gpointer data)
{
GtkWidget *combo_box;
GtkTreeModel *model;
GtkTreeIter iter;
gint32 *images;
gint num_images;
gint i;
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);
for (i = 0; i < num_images; i++)
{
gint32 *drawables;
gint num_drawables;
drawables = gimp_image_get_layers (images[i], &num_drawables);
gimp_drawable_combo_box_model_add (GTK_LIST_STORE (model),
images[i],
num_drawables, drawables,
constraint, data);
g_free (drawables);
}
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 gint
gimp_drawable_combo_box_model_add (GtkListStore *store,
gint32 image,
gint num_drawables,
gint32 *drawables,
GimpDrawableConstraintFunc constraint,
gpointer data)
{
GtkTreeIter iter;
gint added = 0;
gint i;
for (i = 0; i < num_drawables; i++)
{
if (! constraint || (* constraint) (image, drawables[i], data))
{
gchar *image_name = gimp_image_get_name (image);
gchar *drawable_name = gimp_drawable_get_name (drawables[i]);
gchar *label;
GdkPixbuf *thumb;
label = g_strdup_printf ("%s-%d/%s-%d",
image_name, image,
drawable_name, drawables[i]);
g_free (drawable_name);
g_free (image_name);
thumb = gimp_drawable_get_thumbnail (drawables[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, drawables[i],
GIMP_INT_STORE_LABEL, label,
GIMP_INT_STORE_PIXBUF, thumb,
-1);
added++;
if (thumb)
g_object_unref (thumb);
g_free (label);
}
}
return added;
}
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