mirror of https://github.com/GNOME/gimp.git
635 lines
18 KiB
C
635 lines
18 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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* gimptreeproxy.c
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* Copyright (C) 2020 Ell
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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 <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "libgimpbase/gimpbase.h"
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#include "core-types.h"
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#include "gimpviewable.h"
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#include "gimptreeproxy.h"
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enum
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{
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PROP_0,
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PROP_CONTAINER,
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PROP_FLAT
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};
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struct _GimpTreeProxyPrivate
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{
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GimpContainer *container;
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gboolean flat;
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};
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/* local function prototypes */
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static void gimp_tree_proxy_dispose (GObject *object);
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static void gimp_tree_proxy_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 gimp_tree_proxy_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 gimp_tree_proxy_container_add (GimpContainer *container,
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GimpObject *object,
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GimpTreeProxy *tree_proxy);
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static void gimp_tree_proxy_container_remove (GimpContainer *container,
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GimpObject *object,
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GimpTreeProxy *tree_proxy);
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static void gimp_tree_proxy_container_reorder (GimpContainer *container,
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GimpObject *object,
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gint new_index,
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GimpTreeProxy *tree_proxy);
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static void gimp_tree_proxy_container_freeze (GimpContainer *container,
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GimpTreeProxy *tree_proxy);
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static void gimp_tree_proxy_container_thaw (GimpContainer *container,
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GimpTreeProxy *tree_proxy);
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static gint gimp_tree_proxy_add_container (GimpTreeProxy *tree_proxy,
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GimpContainer *container,
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gint index);
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static void gimp_tree_proxy_remove_container (GimpTreeProxy *tree_proxy,
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GimpContainer *container);
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static gint gimp_tree_proxy_add_object (GimpTreeProxy *tree_proxy,
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GimpObject *object,
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gint index);
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static void gimp_tree_proxy_remove_object (GimpTreeProxy *tree_proxy,
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GimpObject *object);
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static gint gimp_tree_proxy_find_container (GimpTreeProxy *tree_proxy,
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GimpContainer *container);
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static gint gimp_tree_proxy_find_object (GimpContainer *container,
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GimpObject *object);
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G_DEFINE_TYPE_WITH_PRIVATE (GimpTreeProxy, gimp_tree_proxy, GIMP_TYPE_LIST)
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#define parent_class gimp_tree_proxy_parent_class
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/* private functions */
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static void
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gimp_tree_proxy_class_init (GimpTreeProxyClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->dispose = gimp_tree_proxy_dispose;
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object_class->set_property = gimp_tree_proxy_set_property;
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object_class->get_property = gimp_tree_proxy_get_property;
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g_object_class_install_property (object_class, PROP_CONTAINER,
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g_param_spec_object ("container", NULL, NULL,
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GIMP_TYPE_CONTAINER,
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GIMP_PARAM_READWRITE));
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g_object_class_install_property (object_class, PROP_FLAT,
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g_param_spec_boolean ("flat", NULL, NULL,
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FALSE,
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GIMP_PARAM_READWRITE));
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}
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static void
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gimp_tree_proxy_init (GimpTreeProxy *tree_proxy)
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{
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tree_proxy->priv = gimp_tree_proxy_get_instance_private (tree_proxy);
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}
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static void
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gimp_tree_proxy_dispose (GObject *object)
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{
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GimpTreeProxy *tree_proxy = GIMP_TREE_PROXY (object);
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gimp_tree_proxy_set_container (tree_proxy, NULL);
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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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gimp_tree_proxy_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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GimpTreeProxy *tree_proxy = GIMP_TREE_PROXY (object);
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switch (property_id)
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{
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case PROP_CONTAINER:
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gimp_tree_proxy_set_container (tree_proxy, g_value_get_object (value));
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break;
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case PROP_FLAT:
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gimp_tree_proxy_set_flat (tree_proxy, g_value_get_boolean (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 void
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gimp_tree_proxy_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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GimpTreeProxy *tree_proxy = GIMP_TREE_PROXY (object);
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switch (property_id)
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{
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case PROP_CONTAINER:
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g_value_set_object (value, tree_proxy->priv->container);
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break;
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case PROP_FLAT:
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g_value_set_boolean (value, tree_proxy->priv->flat);
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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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gimp_tree_proxy_container_add (GimpContainer *container,
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GimpObject *object,
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GimpTreeProxy *tree_proxy)
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{
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gint index;
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if (tree_proxy->priv->flat)
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{
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index = gimp_tree_proxy_find_container (tree_proxy, container) +
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gimp_tree_proxy_find_object (container, object);
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}
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else
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{
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index = gimp_container_get_child_index (container, object);
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}
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gimp_tree_proxy_add_object (tree_proxy, object, index);
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}
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static void
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gimp_tree_proxy_container_remove (GimpContainer *container,
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GimpObject *object,
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GimpTreeProxy *tree_proxy)
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{
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gimp_tree_proxy_remove_object (tree_proxy, object);
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}
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static void
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gimp_tree_proxy_container_reorder (GimpContainer *container,
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GimpObject *object,
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gint new_index,
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GimpTreeProxy *tree_proxy)
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{
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gint index;
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if (tree_proxy->priv->flat)
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{
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index = gimp_tree_proxy_find_container (tree_proxy, container) +
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gimp_tree_proxy_find_object (container, object);
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if (gimp_viewable_get_children (GIMP_VIEWABLE (object)))
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{
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gimp_container_freeze (GIMP_CONTAINER (tree_proxy));
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gimp_tree_proxy_remove_object (tree_proxy, object);
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gimp_tree_proxy_add_object (tree_proxy, object, index);
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gimp_container_thaw (GIMP_CONTAINER (tree_proxy));
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return;
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}
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}
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else
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{
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index = new_index;
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}
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gimp_container_reorder (GIMP_CONTAINER (tree_proxy), object, index);
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}
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static void
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gimp_tree_proxy_container_freeze (GimpContainer *container,
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GimpTreeProxy *tree_proxy)
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{
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gimp_container_freeze (GIMP_CONTAINER (tree_proxy));
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}
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static void
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gimp_tree_proxy_container_thaw (GimpContainer *container,
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GimpTreeProxy *tree_proxy)
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{
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gimp_container_thaw (GIMP_CONTAINER (tree_proxy));
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}
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typedef struct
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{
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GimpTreeProxy *tree_proxy;
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gint index;
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} AddContainerData;
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static void
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gimp_tree_proxy_add_container_func (GimpObject *object,
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AddContainerData *data)
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{
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data->index = gimp_tree_proxy_add_object (data->tree_proxy,
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object, data->index);
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}
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static gint
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gimp_tree_proxy_add_container (GimpTreeProxy *tree_proxy,
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GimpContainer *container,
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gint index)
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{
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AddContainerData data;
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g_signal_connect (container, "add",
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G_CALLBACK (gimp_tree_proxy_container_add),
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tree_proxy);
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g_signal_connect (container, "remove",
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G_CALLBACK (gimp_tree_proxy_container_remove),
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tree_proxy);
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g_signal_connect (container, "reorder",
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G_CALLBACK (gimp_tree_proxy_container_reorder),
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tree_proxy);
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g_signal_connect (container, "freeze",
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G_CALLBACK (gimp_tree_proxy_container_freeze),
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tree_proxy);
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g_signal_connect (container, "thaw",
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G_CALLBACK (gimp_tree_proxy_container_thaw),
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tree_proxy);
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data.tree_proxy = tree_proxy;
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data.index = index;
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gimp_container_freeze (GIMP_CONTAINER (tree_proxy));
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gimp_container_foreach (container,
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(GFunc) gimp_tree_proxy_add_container_func,
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&data);
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gimp_container_thaw (GIMP_CONTAINER (tree_proxy));
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return data.index;
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}
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static void
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gimp_tree_proxy_remove_container_func (GimpObject *object,
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GimpTreeProxy *tree_proxy)
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{
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gimp_tree_proxy_remove_object (tree_proxy, object);
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}
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static void
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gimp_tree_proxy_remove_container (GimpTreeProxy *tree_proxy,
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GimpContainer *container)
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{
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gimp_container_freeze (GIMP_CONTAINER (tree_proxy));
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gimp_container_foreach (container,
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(GFunc) gimp_tree_proxy_remove_container_func,
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tree_proxy);
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gimp_container_thaw (GIMP_CONTAINER (tree_proxy));
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g_signal_handlers_disconnect_by_func (
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container,
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gimp_tree_proxy_container_add,
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tree_proxy);
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g_signal_handlers_disconnect_by_func (
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container,
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gimp_tree_proxy_container_remove,
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tree_proxy);
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g_signal_handlers_disconnect_by_func (
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container,
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gimp_tree_proxy_container_reorder,
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tree_proxy);
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g_signal_handlers_disconnect_by_func (
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container,
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gimp_tree_proxy_container_freeze,
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tree_proxy);
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g_signal_handlers_disconnect_by_func (
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container,
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gimp_tree_proxy_container_thaw,
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tree_proxy);
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}
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static gint
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gimp_tree_proxy_add_object (GimpTreeProxy *tree_proxy,
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GimpObject *object,
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gint index)
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{
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if (index == gimp_container_get_n_children (GIMP_CONTAINER (tree_proxy)))
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index = -1;
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if (tree_proxy->priv->flat)
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{
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GimpContainer *children;
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children = gimp_viewable_get_children (GIMP_VIEWABLE (object));
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if (children)
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return gimp_tree_proxy_add_container (tree_proxy, children, index);
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}
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if (index >= 0)
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{
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gimp_container_insert (GIMP_CONTAINER (tree_proxy), object, index);
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return index + 1;
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}
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else
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{
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gimp_container_add (GIMP_CONTAINER (tree_proxy), object);
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return index;
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}
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}
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static void
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gimp_tree_proxy_remove_object (GimpTreeProxy *tree_proxy,
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GimpObject *object)
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{
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if (tree_proxy->priv->flat)
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{
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GimpContainer *children;
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children = gimp_viewable_get_children (GIMP_VIEWABLE (object));
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if (children)
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return gimp_tree_proxy_remove_container (tree_proxy, children);
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}
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gimp_container_remove (GIMP_CONTAINER (tree_proxy), object);
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}
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typedef struct
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{
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GimpContainer *container;
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gint index;
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} FindContainerData;
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static gboolean
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gimp_tree_proxy_find_container_search_func (GimpObject *object,
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FindContainerData *data)
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{
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GimpContainer *children;
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children = gimp_viewable_get_children (GIMP_VIEWABLE (object));
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if (children)
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{
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if (children == data->container)
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return TRUE;
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return gimp_container_search (
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children,
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(GimpContainerSearchFunc) gimp_tree_proxy_find_container_search_func,
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data) != NULL;
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}
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data->index++;
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return FALSE;
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}
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static gint
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gimp_tree_proxy_find_container (GimpTreeProxy *tree_proxy,
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GimpContainer *container)
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{
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FindContainerData data;
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if (container == tree_proxy->priv->container)
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return 0;
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data.container = container;
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data.index = 0;
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if (gimp_container_search (
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tree_proxy->priv->container,
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(GimpContainerSearchFunc) gimp_tree_proxy_find_container_search_func,
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&data))
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{
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return data.index;
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}
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g_return_val_if_reached (0);
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}
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typedef struct
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{
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GimpObject *object;
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gint index;
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} FindObjectData;
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static gboolean
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gimp_tree_proxy_find_object_search_func (GimpObject *object,
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FindObjectData *data)
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{
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GimpContainer *children;
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if (object == data->object)
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return TRUE;
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children = gimp_viewable_get_children (GIMP_VIEWABLE (object));
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if (children)
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{
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return gimp_container_search (
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children,
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(GimpContainerSearchFunc) gimp_tree_proxy_find_object_search_func,
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data) != NULL;
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}
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data->index++;
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return FALSE;
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}
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static gint
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gimp_tree_proxy_find_object (GimpContainer *container,
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GimpObject *object)
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{
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FindObjectData data;
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data.object = object;
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data.index = 0;
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if (gimp_container_search (
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container,
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(GimpContainerSearchFunc) gimp_tree_proxy_find_object_search_func,
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&data))
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{
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return data.index;
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}
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g_return_val_if_reached (0);
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}
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/* public functions */
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GimpContainer *
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gimp_tree_proxy_new (GType children_type)
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{
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GTypeClass *children_class;
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children_class = g_type_class_ref (children_type);
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g_return_val_if_fail (G_TYPE_CHECK_CLASS_TYPE (children_class,
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GIMP_TYPE_VIEWABLE),
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NULL);
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g_type_class_unref (children_class);
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return g_object_new (GIMP_TYPE_TREE_PROXY,
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"children-type", children_type,
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"policy", GIMP_CONTAINER_POLICY_WEAK,
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"append", TRUE,
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NULL);
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}
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GimpContainer *
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gimp_tree_proxy_new_for_container (GimpContainer *container)
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{
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GimpTreeProxy *tree_proxy;
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g_return_val_if_fail (GIMP_IS_CONTAINER (container), NULL);
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tree_proxy = GIMP_TREE_PROXY (
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gimp_tree_proxy_new (gimp_container_get_children_type (container)));
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gimp_tree_proxy_set_container (tree_proxy, container);
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return GIMP_CONTAINER (tree_proxy);
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}
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void
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gimp_tree_proxy_set_container (GimpTreeProxy *tree_proxy,
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GimpContainer *container)
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{
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g_return_if_fail (GIMP_IS_TREE_PROXY (tree_proxy));
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g_return_if_fail (container == NULL || GIMP_IS_CONTAINER (container));
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if (container)
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{
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GTypeClass *children_class;
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children_class = g_type_class_ref (
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gimp_container_get_children_type (container));
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g_return_if_fail (
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G_TYPE_CHECK_CLASS_TYPE (
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children_class,
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gimp_container_get_children_type (GIMP_CONTAINER (tree_proxy))));
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g_type_class_unref (children_class);
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}
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if (container != tree_proxy->priv->container)
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{
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gimp_container_freeze (GIMP_CONTAINER (tree_proxy));
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if (tree_proxy->priv->container)
|
|
{
|
|
gimp_tree_proxy_remove_container (tree_proxy,
|
|
tree_proxy->priv->container);
|
|
}
|
|
|
|
g_set_object (&tree_proxy->priv->container, container);
|
|
|
|
if (tree_proxy->priv->container)
|
|
{
|
|
gimp_tree_proxy_add_container (tree_proxy,
|
|
tree_proxy->priv->container,
|
|
-1);
|
|
}
|
|
|
|
gimp_container_thaw (GIMP_CONTAINER (tree_proxy));
|
|
|
|
g_object_notify (G_OBJECT (tree_proxy), "container");
|
|
}
|
|
}
|
|
|
|
GimpContainer *
|
|
gimp_tree_proxy_get_container (GimpTreeProxy *tree_proxy)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_TREE_PROXY (tree_proxy), NULL);
|
|
|
|
return tree_proxy->priv->container;
|
|
}
|
|
|
|
void
|
|
gimp_tree_proxy_set_flat (GimpTreeProxy *tree_proxy,
|
|
gboolean flat)
|
|
{
|
|
g_return_if_fail (GIMP_IS_TREE_PROXY (tree_proxy));
|
|
|
|
if (flat != tree_proxy->priv->flat)
|
|
{
|
|
gimp_container_freeze (GIMP_CONTAINER (tree_proxy));
|
|
|
|
if (tree_proxy->priv->container)
|
|
{
|
|
gimp_tree_proxy_remove_container (tree_proxy,
|
|
tree_proxy->priv->container);
|
|
}
|
|
|
|
tree_proxy->priv->flat = flat;
|
|
|
|
if (tree_proxy->priv->container)
|
|
{
|
|
gimp_tree_proxy_add_container (tree_proxy,
|
|
tree_proxy->priv->container,
|
|
-1);
|
|
}
|
|
|
|
gimp_container_thaw (GIMP_CONTAINER (tree_proxy));
|
|
|
|
g_object_notify (G_OBJECT (tree_proxy), "flat");
|
|
}
|
|
}
|
|
|
|
gboolean
|
|
gimp_tree_proxy_get_flat (GimpTreeProxy *tree_proxy)
|
|
{
|
|
g_return_val_if_fail (GIMP_IS_TREE_PROXY (tree_proxy), FALSE);
|
|
|
|
return tree_proxy->priv->flat;
|
|
}
|