mirror of https://github.com/GNOME/gimp.git
151 lines
3.6 KiB
C
151 lines
3.6 KiB
C
/* GIMP - The GNU Image Manipulation Program
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
*
|
|
* The GIMP Help plug-in
|
|
* Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
|
|
* Michael Natterer <mitch@gimp.org>
|
|
* Henrik Brix Andersen <brix@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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/* This code is written so that it can also be compiled standalone.
|
|
* It shouldn't depend on libgimp.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <string.h>
|
|
|
|
#include <gio/gio.h>
|
|
|
|
#include "gimphelptypes.h"
|
|
#include "gimphelpprogress.h"
|
|
#include "gimphelpprogress-private.h"
|
|
|
|
|
|
struct _GimpHelpProgress
|
|
{
|
|
GimpHelpProgressVTable vtable;
|
|
gpointer user_data;
|
|
|
|
GCancellable *cancellable;
|
|
};
|
|
|
|
|
|
GimpHelpProgress *
|
|
gimp_help_progress_new (const GimpHelpProgressVTable *vtable,
|
|
gpointer user_data)
|
|
{
|
|
GimpHelpProgress *progress;
|
|
|
|
g_return_val_if_fail (vtable != NULL, NULL);
|
|
|
|
progress = g_slice_new0 (GimpHelpProgress);
|
|
|
|
progress->vtable.start = vtable->start;
|
|
progress->vtable.end = vtable->end;
|
|
progress->vtable.set_value = vtable->set_value;
|
|
|
|
progress->user_data = user_data;
|
|
|
|
return progress;
|
|
}
|
|
|
|
void
|
|
gimp_help_progress_free (GimpHelpProgress *progress)
|
|
{
|
|
g_return_if_fail (progress != NULL);
|
|
|
|
if (progress->cancellable)
|
|
{
|
|
g_object_unref (progress->cancellable);
|
|
progress->cancellable = NULL;
|
|
}
|
|
|
|
g_slice_free (GimpHelpProgress, progress);
|
|
}
|
|
|
|
void
|
|
gimp_help_progress_cancel (GimpHelpProgress *progress)
|
|
{
|
|
g_return_if_fail (progress != NULL);
|
|
|
|
if (progress->cancellable)
|
|
g_cancellable_cancel (progress->cancellable);
|
|
}
|
|
|
|
|
|
void
|
|
_gimp_help_progress_start (GimpHelpProgress *progress,
|
|
GCancellable *cancellable,
|
|
const gchar *format,
|
|
...)
|
|
{
|
|
gchar *message;
|
|
va_list args;
|
|
|
|
g_return_if_fail (progress != NULL);
|
|
|
|
if (cancellable)
|
|
g_object_ref (cancellable);
|
|
|
|
if (progress->cancellable)
|
|
g_object_unref (progress->cancellable);
|
|
|
|
progress->cancellable = cancellable;
|
|
|
|
va_start (args, format);
|
|
message = g_strdup_vprintf (format, args);
|
|
va_end (args);
|
|
|
|
if (progress->vtable.start)
|
|
progress->vtable.start (message, cancellable != NULL, progress->user_data);
|
|
|
|
g_free (message);
|
|
}
|
|
|
|
void
|
|
_gimp_help_progress_update (GimpHelpProgress *progress,
|
|
gdouble percentage)
|
|
{
|
|
g_return_if_fail (progress != NULL);
|
|
|
|
if (progress->vtable.set_value)
|
|
progress->vtable.set_value (percentage, progress->user_data);
|
|
}
|
|
|
|
void
|
|
_gimp_help_progress_pulse (GimpHelpProgress *progress)
|
|
{
|
|
g_return_if_fail (progress != NULL);
|
|
|
|
_gimp_help_progress_update (progress, -1.0);
|
|
}
|
|
|
|
void
|
|
_gimp_help_progress_finish (GimpHelpProgress *progress)
|
|
{
|
|
g_return_if_fail (progress != NULL);
|
|
|
|
if (progress->vtable.end)
|
|
progress->vtable.end (progress->user_data);
|
|
|
|
if (progress->cancellable)
|
|
{
|
|
g_object_unref (progress->cancellable);
|
|
progress->cancellable = NULL;
|
|
}
|
|
}
|