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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpprogressbox.c
* Copyright (C) 2004 Michael Natterer <mitch@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 "core/gimpprogress.h"
#include "gimpprogressbox.h"
#include "gimp-intl.h"
static void gimp_progress_box_progress_iface_init (GimpProgressInterface *progress_iface);
static GimpProgress *
gimp_progress_box_progress_start (GimpProgress *progress,
const gchar *message,
gboolean cancelable);
static void gimp_progress_box_progress_end (GimpProgress *progress);
static gboolean gimp_progress_box_progress_is_active (GimpProgress *progress);
static void gimp_progress_box_progress_set_text (GimpProgress *progress,
const gchar *message);
static void gimp_progress_box_progress_set_value (GimpProgress *progress,
gdouble percentage);
static gdouble gimp_progress_box_progress_get_value (GimpProgress *progress);
GType
gimp_progress_box_get_type (void)
{
static GType box_type = 0;
if (! box_type)
{
static const GTypeInfo box_info =
{
sizeof (GimpProgressBoxClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
NULL, /* class_init */
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpProgressBox),
0, /* n_preallocs */
NULL /* instance_init */
};
static const GInterfaceInfo progress_iface_info =
{
(GInterfaceInitFunc) gimp_progress_box_progress_iface_init,
NULL, /* iface_finalize */
NULL /* iface_data */
};
box_type = g_type_register_static (GTK_TYPE_VBOX,
"GimpProgressBox",
&box_info, 0);
g_type_add_interface_static (box_type, GIMP_TYPE_PROGRESS,
&progress_iface_info);
}
return box_type;
}
static void
gimp_progress_box_progress_iface_init (GimpProgressInterface *progress_iface)
{
progress_iface->start = gimp_progress_box_progress_start;
progress_iface->end = gimp_progress_box_progress_end;
progress_iface->is_active = gimp_progress_box_progress_is_active;
progress_iface->set_text = gimp_progress_box_progress_set_text;
progress_iface->set_value = gimp_progress_box_progress_set_value;
progress_iface->get_value = gimp_progress_box_progress_get_value;
}
static GimpProgress *
gimp_progress_box_progress_start (GimpProgress *progress,
const gchar *message,
gboolean cancelable)
{
GimpProgressBox *box = GIMP_PROGRESS_BOX (progress);
if (! box->active)
{
GtkProgressBar *bar = GTK_PROGRESS_BAR (box->progress);
gtk_label_set_text (GTK_LABEL (box->label), message);
gtk_progress_bar_set_fraction (bar, 0.0);
box->active = TRUE;
box->cancelable = cancelable;
return progress;
}
return NULL;
}
static void
gimp_progress_box_progress_end (GimpProgress *progress)
{
GimpProgressBox *box = GIMP_PROGRESS_BOX (progress);
if (box->active)
{
GtkProgressBar *bar = GTK_PROGRESS_BAR (box->progress);
gtk_label_set_text (GTK_LABEL (box->label), "");
gtk_progress_bar_set_fraction (bar, 0.0);
box->active = FALSE;
box->cancelable = FALSE;
}
}
static gboolean
gimp_progress_box_progress_is_active (GimpProgress *progress)
{
GimpProgressBox *box = GIMP_PROGRESS_BOX (progress);
return box->active;
}
static void
gimp_progress_box_progress_set_text (GimpProgress *progress,
const gchar *message)
{
GimpProgressBox *box = GIMP_PROGRESS_BOX (progress);
if (box->active)
{
gtk_label_set_text (GTK_LABEL (box->label), message);
}
}
static void
gimp_progress_box_progress_set_value (GimpProgress *progress,
gdouble percentage)
{
GimpProgressBox *box = GIMP_PROGRESS_BOX (progress);
if (box->active)
{
GtkProgressBar *bar = GTK_PROGRESS_BAR (box->progress);
gtk_progress_bar_set_fraction (bar, percentage);
if (GTK_WIDGET_DRAWABLE (box->progress))
gdk_window_process_updates (box->progress->window, TRUE);
}
}
static gdouble
gimp_progress_box_progress_get_value (GimpProgress *progress)
{
GimpProgressBox *box = GIMP_PROGRESS_BOX (progress);
if (box->active)
{
GtkProgressBar *bar = GTK_PROGRESS_BAR (box->progress);
return gtk_progress_bar_get_fraction (bar);
}
return 0.0;
}
GtkWidget *
gimp_progress_box_new (void)
{
GimpProgressBox *box;
box = g_object_new (GIMP_TYPE_PROGRESS_BOX,
"spacing", 12,
NULL);
box->label = gtk_label_new ("");
gtk_misc_set_alignment (GTK_MISC (box->label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (box), box->label, FALSE, FALSE, 0);
gtk_widget_show (box->label);
box->progress = gtk_progress_bar_new ();
gtk_widget_set_size_request (box->progress, 250, 20);
gtk_box_pack_start (GTK_BOX (box), box->progress, FALSE, FALSE, 0);
gtk_widget_show (box->progress);
return GTK_WIDGET (box);
}
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