359 lines
12 KiB
C
359 lines
12 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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* pikabuffersourcebox.c
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* Copyright (C) 2015 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 <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "widgets-types.h"
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#include "gegl/pika-gegl-utils.h"
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#include "core/pikacontext.h"
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#include "core/pikapickable.h"
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#include "pikabuffersourcebox.h"
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#include "pikapickablebutton.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_CONTEXT,
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PROP_SOURCE_NODE,
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PROP_NAME,
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PROP_PICKABLE,
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PROP_ENABLED
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};
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struct _PikaBufferSourceBoxPrivate
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{
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PikaContext *context;
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GeglNode *source_node;
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gchar *name;
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PikaPickable *pickable;
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gboolean enabled;
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GtkWidget *toggle;
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GtkWidget *button;
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GtkWidget *label;
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};
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static void pika_buffer_source_box_constructed (GObject *object);
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static void pika_buffer_source_box_finalize (GObject *object);
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static void pika_buffer_source_box_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 void pika_buffer_source_box_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void pika_buffer_source_box_notify_pickable (PikaPickableButton *button,
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const GParamSpec *pspec,
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PikaBufferSourceBox *box);
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static void pika_buffer_source_box_enable_toggled (GtkToggleButton *button,
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PikaBufferSourceBox *box);
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G_DEFINE_TYPE_WITH_PRIVATE (PikaBufferSourceBox, pika_buffer_source_box,
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GTK_TYPE_BOX)
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#define parent_class pika_buffer_source_box_parent_class
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static void
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pika_buffer_source_box_class_init (PikaBufferSourceBoxClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->constructed = pika_buffer_source_box_constructed;
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object_class->finalize = pika_buffer_source_box_finalize;
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object_class->set_property = pika_buffer_source_box_set_property;
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object_class->get_property = pika_buffer_source_box_get_property;
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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_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class, PROP_SOURCE_NODE,
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g_param_spec_object ("source-node", NULL, NULL,
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GEGL_TYPE_NODE,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class, PROP_NAME,
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g_param_spec_string ("name", NULL, NULL,
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NULL,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class, PROP_PICKABLE,
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g_param_spec_object ("pickable", NULL, NULL,
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PIKA_TYPE_PICKABLE,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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g_object_class_install_property (object_class, PROP_ENABLED,
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g_param_spec_boolean ("enabled", NULL, NULL,
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TRUE,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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}
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static void
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pika_buffer_source_box_init (PikaBufferSourceBox *box)
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{
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box->priv = pika_buffer_source_box_get_instance_private (box);
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gtk_orientable_set_orientation (GTK_ORIENTABLE (box),
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GTK_ORIENTATION_HORIZONTAL);
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gtk_box_set_spacing (GTK_BOX (box), 2);
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}
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static void
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pika_buffer_source_box_constructed (GObject *object)
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{
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PikaBufferSourceBox *box = PIKA_BUFFER_SOURCE_BOX (object);
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box->priv->toggle = gtk_check_button_new_with_mnemonic (box->priv->name);
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gtk_widget_set_valign (box->priv->toggle, GTK_ALIGN_CENTER);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (box->priv->toggle),
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box->priv->enabled);
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gtk_box_pack_start (GTK_BOX (box), box->priv->toggle, FALSE, FALSE, 0);
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gtk_widget_show (box->priv->toggle);
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g_signal_connect_object (box->priv->toggle, "toggled",
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G_CALLBACK (pika_buffer_source_box_enable_toggled),
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box, 0);
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box->priv->button = pika_pickable_button_new (box->priv->context,
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PIKA_VIEW_SIZE_LARGE, 1);
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pika_pickable_button_set_pickable (PIKA_PICKABLE_BUTTON (box->priv->button),
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box->priv->pickable);
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gtk_box_pack_start (GTK_BOX (box), box->priv->button, FALSE, FALSE, 0);
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gtk_widget_show (box->priv->button);
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box->priv->label = gtk_label_new (_("(none)"));
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gtk_label_set_xalign (GTK_LABEL (box->priv->label), 0.0);
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gtk_label_set_ellipsize (GTK_LABEL (box->priv->label), PANGO_ELLIPSIZE_END);
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gtk_box_pack_start (GTK_BOX (box), box->priv->label, TRUE, TRUE, 0);
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gtk_widget_show (box->priv->label);
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g_signal_connect_object (box->priv->button, "notify::pickable",
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G_CALLBACK (pika_buffer_source_box_notify_pickable),
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box, 0);
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G_OBJECT_CLASS (parent_class)->constructed (object);
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}
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static void
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pika_buffer_source_box_finalize (GObject *object)
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{
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PikaBufferSourceBox *box = PIKA_BUFFER_SOURCE_BOX (object);
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g_clear_object (&box->priv->context);
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g_clear_object (&box->priv->source_node);
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g_clear_pointer (&box->priv->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_buffer_source_box_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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PikaBufferSourceBox *box = PIKA_BUFFER_SOURCE_BOX (object);
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switch (property_id)
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{
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case PROP_CONTEXT:
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box->priv->context = g_value_dup_object (value);
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break;
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case PROP_SOURCE_NODE:
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box->priv->source_node = g_value_dup_object (value);
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break;
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case PROP_NAME:
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box->priv->name = g_value_dup_string (value);
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break;
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case PROP_PICKABLE:
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box->priv->pickable = g_value_get_object (value);
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if (box->priv->button)
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pika_pickable_button_set_pickable (PIKA_PICKABLE_BUTTON (box->priv->button),
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box->priv->pickable);
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break;
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case PROP_ENABLED:
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box->priv->enabled = g_value_get_boolean (value);
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if (box->priv->toggle)
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (box->priv->toggle),
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box->priv->enabled);
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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 void
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pika_buffer_source_box_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PikaBufferSourceBox *box = PIKA_BUFFER_SOURCE_BOX (object);
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switch (property_id)
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{
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case PROP_CONTEXT:
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g_value_set_object (value, box->priv->context);
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break;
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case PROP_SOURCE_NODE:
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g_value_set_object (value, box->priv->source_node);
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break;
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case PROP_NAME:
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g_value_set_string (value, box->priv->name);
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break;
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case PROP_PICKABLE:
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g_value_set_object (value, box->priv->pickable);
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break;
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case PROP_ENABLED:
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g_value_set_boolean (value, box->priv->enabled);
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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 void
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pika_buffer_source_box_update_node (PikaBufferSourceBox *box)
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{
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GeglBuffer *buffer = NULL;
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if (box->priv->pickable)
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{
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gchar *desc;
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if (box->priv->enabled)
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{
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pika_pickable_flush (box->priv->pickable);
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/* dup the buffer, since the original may be modified while applying
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* the operation. see issue #1283.
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*/
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buffer = pika_gegl_buffer_dup (
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pika_pickable_get_buffer (box->priv->pickable));
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}
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desc = pika_viewable_get_description (PIKA_VIEWABLE (box->priv->pickable),
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NULL);
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gtk_label_set_text (GTK_LABEL (box->priv->label), desc);
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g_free (desc);
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}
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else
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{
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gtk_label_set_text (GTK_LABEL (box->priv->label), _("(none)"));
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}
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gegl_node_set (box->priv->source_node,
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"buffer", buffer,
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NULL);
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g_clear_object (&buffer);
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}
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static void
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pika_buffer_source_box_notify_pickable (PikaPickableButton *button,
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const GParamSpec *pspec,
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PikaBufferSourceBox *box)
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{
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box->priv->pickable = pika_pickable_button_get_pickable (button);
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pika_buffer_source_box_update_node (box);
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g_object_notify (G_OBJECT (box), "pickable");
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}
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static void
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pika_buffer_source_box_enable_toggled (GtkToggleButton *button,
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PikaBufferSourceBox *box)
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{
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box->priv->enabled = gtk_toggle_button_get_active (button);
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pika_buffer_source_box_update_node (box);
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g_object_notify (G_OBJECT (box), "enabled");
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}
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/* public functions */
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GtkWidget *
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pika_buffer_source_box_new (PikaContext *context,
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GeglNode *source_node,
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const gchar *name)
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{
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g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (GEGL_IS_NODE (source_node), NULL);
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g_return_val_if_fail (name != NULL, NULL);
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return g_object_new (PIKA_TYPE_BUFFER_SOURCE_BOX,
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"context", context,
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"source-node", source_node,
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"name", name,
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NULL);
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}
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GtkWidget *
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pika_buffer_source_box_get_toggle (PikaBufferSourceBox *box)
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{
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g_return_val_if_fail (PIKA_IS_BUFFER_SOURCE_BOX (box), NULL);
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return box->priv->toggle;
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}
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