mirror of https://github.com/GNOME/gimp.git
152 lines
3.7 KiB
C
152 lines
3.7 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* The GIMP Help plug-in
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* Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
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* Michael Natterer <mitch@gimp.org>
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* Henrik Brix Andersen <brix@gimp.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* This code is written so that it can also be compiled standalone.
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* It shouldn't depend on libgimp.
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*/
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#include "config.h"
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#include <string.h>
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#include <gio/gio.h>
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#include "gimphelptypes.h"
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#include "gimphelpprogress.h"
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#include "gimphelpprogress-private.h"
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struct _GimpHelpProgress
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{
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GimpHelpProgressVTable vtable;
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gpointer user_data;
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GCancellable *cancellable;
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};
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GimpHelpProgress *
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gimp_help_progress_new (const GimpHelpProgressVTable *vtable,
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gpointer user_data)
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{
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GimpHelpProgress *progress;
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g_return_val_if_fail (vtable != NULL, NULL);
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progress = g_slice_new0 (GimpHelpProgress);
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progress->vtable.start = vtable->start;
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progress->vtable.end = vtable->end;
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progress->vtable.set_value = vtable->set_value;
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progress->user_data = user_data;
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return progress;
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}
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void
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gimp_help_progress_free (GimpHelpProgress *progress)
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{
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g_return_if_fail (progress != NULL);
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if (progress->cancellable)
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{
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g_object_unref (progress->cancellable);
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progress->cancellable = NULL;
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}
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g_slice_free (GimpHelpProgress, progress);
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}
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void
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gimp_help_progress_cancel (GimpHelpProgress *progress)
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{
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g_return_if_fail (progress != NULL);
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if (progress->cancellable)
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g_cancellable_cancel (progress->cancellable);
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}
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void
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_gimp_help_progress_start (GimpHelpProgress *progress,
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GCancellable *cancellable,
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const gchar *format,
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...)
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{
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gchar *message;
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va_list args;
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g_return_if_fail (progress != NULL);
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if (cancellable)
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g_object_ref (cancellable);
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if (progress->cancellable)
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g_object_unref (progress->cancellable);
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progress->cancellable = cancellable;
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va_start (args, format);
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message = g_strdup_vprintf (format, args);
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va_end (args);
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if (progress->vtable.start)
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progress->vtable.start (message, cancellable != NULL, progress->user_data);
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g_free (message);
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}
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void
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_gimp_help_progress_update (GimpHelpProgress *progress,
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gdouble percentage)
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{
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g_return_if_fail (progress != NULL);
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if (progress->vtable.set_value)
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progress->vtable.set_value (percentage, progress->user_data);
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}
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void
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_gimp_help_progress_pulse (GimpHelpProgress *progress)
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{
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g_return_if_fail (progress != NULL);
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_gimp_help_progress_update (progress, -1.0);
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}
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void
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_gimp_help_progress_finish (GimpHelpProgress *progress)
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{
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g_return_if_fail (progress != NULL);
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if (progress->vtable.end)
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progress->vtable.end (progress->user_data);
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if (progress->cancellable)
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{
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g_object_unref (progress->cancellable);
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progress->cancellable = NULL;
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}
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}
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