413 lines
13 KiB
C
413 lines
13 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikapdbprogress.c
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* Copyright (C) 2004 Michael Natterer <mitch@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 3 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, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "libpikabase/pikabase.h"
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#include "core-types.h"
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#include "core/pikacontext.h"
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#include "pdb/pikapdb.h"
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#include "pika.h"
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#include "pikaparamspecs.h"
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#include "pikapdbprogress.h"
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#include "pikaprogress.h"
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#include "pika-intl.h"
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enum
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{
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PROP_0,
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PROP_PDB,
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PROP_CONTEXT,
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PROP_CALLBACK_NAME
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};
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static void pika_pdb_progress_class_init (PikaPdbProgressClass *klass);
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static void pika_pdb_progress_init (PikaPdbProgress *progress,
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PikaPdbProgressClass *klass);
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static void pika_pdb_progress_progress_iface_init (PikaProgressInterface *iface);
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static void pika_pdb_progress_constructed (GObject *object);
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static void pika_pdb_progress_dispose (GObject *object);
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static void pika_pdb_progress_finalize (GObject *object);
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static void pika_pdb_progress_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static PikaProgress * pika_pdb_progress_progress_start (PikaProgress *progress,
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gboolean cancellable,
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const gchar *message);
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static void pika_pdb_progress_progress_end (PikaProgress *progress);
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static gboolean pika_pdb_progress_progress_is_active (PikaProgress *progress);
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static void pika_pdb_progress_progress_set_text (PikaProgress *progress,
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const gchar *message);
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static void pika_pdb_progress_progress_set_value (PikaProgress *progress,
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gdouble percentage);
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static gdouble pika_pdb_progress_progress_get_value (PikaProgress *progress);
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static void pika_pdb_progress_progress_pulse (PikaProgress *progress);
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static guint32 pika_pdb_progress_progress_get_window_id (PikaProgress *progress);
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static GObjectClass *parent_class = NULL;
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GType
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pika_pdb_progress_get_type (void)
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{
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static GType type = 0;
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if (! type)
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{
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const GTypeInfo info =
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{
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sizeof (PikaPdbProgressClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) pika_pdb_progress_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (PikaPdbProgress),
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0, /* n_preallocs */
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(GInstanceInitFunc) pika_pdb_progress_init,
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};
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const GInterfaceInfo progress_iface_info =
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{
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(GInterfaceInitFunc) pika_pdb_progress_progress_iface_init,
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NULL, /* iface_finalize */
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NULL /* iface_data */
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};
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type = g_type_register_static (G_TYPE_OBJECT,
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"PikaPdbProgress",
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&info, 0);
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g_type_add_interface_static (type, PIKA_TYPE_PROGRESS,
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&progress_iface_info);
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}
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return type;
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}
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static void
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pika_pdb_progress_class_init (PikaPdbProgressClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->constructed = pika_pdb_progress_constructed;
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object_class->dispose = pika_pdb_progress_dispose;
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object_class->finalize = pika_pdb_progress_finalize;
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object_class->set_property = pika_pdb_progress_set_property;
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g_object_class_install_property (object_class, PROP_PDB,
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g_param_spec_object ("pdb", NULL, NULL,
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PIKA_TYPE_PDB,
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PIKA_PARAM_WRITABLE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class, PROP_CONTEXT,
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g_param_spec_object ("context", NULL, NULL,
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PIKA_TYPE_CONTEXT,
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PIKA_PARAM_WRITABLE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class, PROP_CALLBACK_NAME,
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g_param_spec_string ("callback-name",
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NULL, NULL,
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NULL,
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PIKA_PARAM_WRITABLE |
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G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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pika_pdb_progress_init (PikaPdbProgress *progress,
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PikaPdbProgressClass *klass)
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{
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klass->progresses = g_list_prepend (klass->progresses, progress);
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}
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static void
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pika_pdb_progress_progress_iface_init (PikaProgressInterface *iface)
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{
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iface->start = pika_pdb_progress_progress_start;
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iface->end = pika_pdb_progress_progress_end;
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iface->is_active = pika_pdb_progress_progress_is_active;
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iface->set_text = pika_pdb_progress_progress_set_text;
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iface->set_value = pika_pdb_progress_progress_set_value;
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iface->get_value = pika_pdb_progress_progress_get_value;
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iface->pulse = pika_pdb_progress_progress_pulse;
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iface->get_window_id = pika_pdb_progress_progress_get_window_id;
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}
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static void
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pika_pdb_progress_constructed (GObject *object)
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{
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PikaPdbProgress *progress = PIKA_PDB_PROGRESS (object);
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G_OBJECT_CLASS (parent_class)->constructed (object);
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pika_assert (PIKA_IS_PDB (progress->pdb));
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pika_assert (PIKA_IS_CONTEXT (progress->context));
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}
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static void
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pika_pdb_progress_dispose (GObject *object)
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{
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PikaPdbProgressClass *klass = PIKA_PDB_PROGRESS_GET_CLASS (object);
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klass->progresses = g_list_remove (klass->progresses, object);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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pika_pdb_progress_finalize (GObject *object)
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{
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PikaPdbProgress *progress = PIKA_PDB_PROGRESS (object);
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g_clear_object (&progress->pdb);
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g_clear_object (&progress->context);
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g_clear_pointer (&progress->callback_name, g_free);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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pika_pdb_progress_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PikaPdbProgress *progress = PIKA_PDB_PROGRESS (object);
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switch (property_id)
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{
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case PROP_PDB:
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if (progress->pdb)
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g_object_unref (progress->pdb);
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progress->pdb = g_value_dup_object (value);
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break;
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case PROP_CONTEXT:
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if (progress->context)
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g_object_unref (progress->context);
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progress->context = g_value_dup_object (value);
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break;
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case PROP_CALLBACK_NAME:
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if (progress->callback_name)
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g_free (progress->callback_name);
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progress->callback_name = g_value_dup_string (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static gdouble
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pika_pdb_progress_run_callback (PikaPdbProgress *progress,
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PikaProgressCommand command,
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const gchar *text,
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gdouble value)
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{
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gdouble retval = 0;
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if (progress->callback_name && ! progress->callback_busy)
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{
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PikaValueArray *return_vals;
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progress->callback_busy = TRUE;
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return_vals =
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pika_pdb_execute_procedure_by_name (progress->pdb,
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progress->context,
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NULL, NULL,
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progress->callback_name,
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PIKA_TYPE_PROGRESS_COMMAND, command,
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G_TYPE_STRING, text,
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G_TYPE_DOUBLE, value,
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G_TYPE_NONE);
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if (g_value_get_enum (pika_value_array_index (return_vals, 0)) !=
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PIKA_PDB_SUCCESS)
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{
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pika_message (progress->context->pika, NULL, PIKA_MESSAGE_ERROR,
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_("Unable to run %s callback. "
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"The corresponding plug-in may have crashed."),
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g_type_name (G_TYPE_FROM_INSTANCE (progress)));
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}
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else if (pika_value_array_length (return_vals) >= 2 &&
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G_VALUE_HOLDS_DOUBLE (pika_value_array_index (return_vals, 1)))
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{
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retval = g_value_get_double (pika_value_array_index (return_vals, 1));
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}
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pika_value_array_unref (return_vals);
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progress->callback_busy = FALSE;
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}
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return retval;
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}
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static PikaProgress *
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pika_pdb_progress_progress_start (PikaProgress *progress,
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gboolean cancellable,
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const gchar *message)
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{
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PikaPdbProgress *pdb_progress = PIKA_PDB_PROGRESS (progress);
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if (! pdb_progress->active)
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{
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pika_pdb_progress_run_callback (pdb_progress,
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PIKA_PROGRESS_COMMAND_START,
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message, 0.0);
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pdb_progress->active = TRUE;
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pdb_progress->value = 0.0;
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return progress;
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}
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return NULL;
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}
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static void
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pika_pdb_progress_progress_end (PikaProgress *progress)
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{
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PikaPdbProgress *pdb_progress = PIKA_PDB_PROGRESS (progress);
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if (pdb_progress->active)
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{
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pika_pdb_progress_run_callback (pdb_progress,
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PIKA_PROGRESS_COMMAND_END,
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NULL, 0.0);
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pdb_progress->active = FALSE;
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pdb_progress->value = 0.0;
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}
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}
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static gboolean
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pika_pdb_progress_progress_is_active (PikaProgress *progress)
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{
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PikaPdbProgress *pdb_progress = PIKA_PDB_PROGRESS (progress);
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return pdb_progress->active;
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}
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static void
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pika_pdb_progress_progress_set_text (PikaProgress *progress,
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const gchar *message)
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{
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PikaPdbProgress *pdb_progress = PIKA_PDB_PROGRESS (progress);
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if (pdb_progress->active)
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pika_pdb_progress_run_callback (pdb_progress,
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PIKA_PROGRESS_COMMAND_SET_TEXT,
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message, 0.0);
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}
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static void
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pika_pdb_progress_progress_set_value (PikaProgress *progress,
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gdouble percentage)
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{
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PikaPdbProgress *pdb_progress = PIKA_PDB_PROGRESS (progress);
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if (pdb_progress->active)
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{
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pika_pdb_progress_run_callback (pdb_progress,
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PIKA_PROGRESS_COMMAND_SET_VALUE,
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NULL, percentage);
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pdb_progress->value = percentage;
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}
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}
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static gdouble
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pika_pdb_progress_progress_get_value (PikaProgress *progress)
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{
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PikaPdbProgress *pdb_progress = PIKA_PDB_PROGRESS (progress);
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return pdb_progress->value;
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}
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static void
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pika_pdb_progress_progress_pulse (PikaProgress *progress)
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{
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PikaPdbProgress *pdb_progress = PIKA_PDB_PROGRESS (progress);
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if (pdb_progress->active)
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|
pika_pdb_progress_run_callback (pdb_progress,
|
||
|
|
PIKA_PROGRESS_COMMAND_PULSE,
|
||
|
|
NULL, 0.0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static guint32
|
||
|
|
pika_pdb_progress_progress_get_window_id (PikaProgress *progress)
|
||
|
|
{
|
||
|
|
PikaPdbProgress *pdb_progress = PIKA_PDB_PROGRESS (progress);
|
||
|
|
|
||
|
|
return (guint32)
|
||
|
|
pika_pdb_progress_run_callback (pdb_progress,
|
||
|
|
PIKA_PROGRESS_COMMAND_GET_WINDOW,
|
||
|
|
NULL, 0.0);
|
||
|
|
}
|
||
|
|
|
||
|
|
PikaPdbProgress *
|
||
|
|
pika_pdb_progress_get_by_callback (PikaPdbProgressClass *klass,
|
||
|
|
const gchar *callback_name)
|
||
|
|
{
|
||
|
|
GList *list;
|
||
|
|
|
||
|
|
g_return_val_if_fail (PIKA_IS_PDB_PROGRESS_CLASS (klass), NULL);
|
||
|
|
g_return_val_if_fail (callback_name != NULL, NULL);
|
||
|
|
|
||
|
|
for (list = klass->progresses; list; list = g_list_next (list))
|
||
|
|
{
|
||
|
|
PikaPdbProgress *progress = list->data;
|
||
|
|
|
||
|
|
if (! g_strcmp0 (callback_name, progress->callback_name))
|
||
|
|
return progress;
|
||
|
|
}
|
||
|
|
|
||
|
|
return NULL;
|
||
|
|
}
|
