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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
commit | 5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch) | |
tree | cbffb45144febf451e54061db2b21395faf94bfe /app/core/gimptreeproxy.c | |
parent | Initial commit. (diff) | |
download | gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip |
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | app/core/gimptreeproxy.c | 634 |
1 files changed, 634 insertions, 0 deletions
diff --git a/app/core/gimptreeproxy.c b/app/core/gimptreeproxy.c new file mode 100644 index 0000000..76fad91 --- /dev/null +++ b/app/core/gimptreeproxy.c @@ -0,0 +1,634 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimptreeproxy.c + * Copyright (C) 2020 Ell + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <gdk-pixbuf/gdk-pixbuf.h> +#include <gegl.h> + +#include "libgimpbase/gimpbase.h" + +#include "core-types.h" + +#include "gimpviewable.h" +#include "gimptreeproxy.h" + + +enum +{ + PROP_0, + PROP_CONTAINER, + PROP_FLAT +}; + + +struct _GimpTreeProxyPrivate +{ + GimpContainer *container; + gboolean flat; +}; + + +/* local function prototypes */ + +static void gimp_tree_proxy_dispose (GObject *object); +static void gimp_tree_proxy_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_tree_proxy_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static void gimp_tree_proxy_container_add (GimpContainer *container, + GimpObject *object, + GimpTreeProxy *tree_proxy); +static void gimp_tree_proxy_container_remove (GimpContainer *container, + GimpObject *object, + GimpTreeProxy *tree_proxy); +static void gimp_tree_proxy_container_reorder (GimpContainer *container, + GimpObject *object, + gint new_index, + GimpTreeProxy *tree_proxy); +static void gimp_tree_proxy_container_freeze (GimpContainer *container, + GimpTreeProxy *tree_proxy); +static void gimp_tree_proxy_container_thaw (GimpContainer *container, + GimpTreeProxy *tree_proxy); + +static gint gimp_tree_proxy_add_container (GimpTreeProxy *tree_proxy, + GimpContainer *container, + gint index); +static void gimp_tree_proxy_remove_container (GimpTreeProxy *tree_proxy, + GimpContainer *container); + +static gint gimp_tree_proxy_add_object (GimpTreeProxy *tree_proxy, + GimpObject *object, + gint index); +static void gimp_tree_proxy_remove_object (GimpTreeProxy *tree_proxy, + GimpObject *object); + +static gint gimp_tree_proxy_find_container (GimpTreeProxy *tree_proxy, + GimpContainer *container); +static gint gimp_tree_proxy_find_object (GimpContainer *container, + GimpObject *object); + + +G_DEFINE_TYPE_WITH_PRIVATE (GimpTreeProxy, gimp_tree_proxy, GIMP_TYPE_LIST) + +#define parent_class gimp_tree_proxy_parent_class + + +/* private functions */ + +static void +gimp_tree_proxy_class_init (GimpTreeProxyClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->dispose = gimp_tree_proxy_dispose; + object_class->set_property = gimp_tree_proxy_set_property; + object_class->get_property = gimp_tree_proxy_get_property; + + g_object_class_install_property (object_class, PROP_CONTAINER, + g_param_spec_object ("container", NULL, NULL, + GIMP_TYPE_CONTAINER, + GIMP_PARAM_READWRITE)); + + g_object_class_install_property (object_class, PROP_FLAT, + g_param_spec_boolean ("flat", NULL, NULL, + FALSE, + GIMP_PARAM_READWRITE)); +} + +static void +gimp_tree_proxy_init (GimpTreeProxy *tree_proxy) +{ + tree_proxy->priv = gimp_tree_proxy_get_instance_private (tree_proxy); +} + +static void +gimp_tree_proxy_dispose (GObject *object) +{ + GimpTreeProxy *tree_proxy = GIMP_TREE_PROXY (object); + + gimp_tree_proxy_set_container (tree_proxy, NULL); + + G_OBJECT_CLASS (parent_class)->dispose (object);; +} + +static void +gimp_tree_proxy_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpTreeProxy *tree_proxy = GIMP_TREE_PROXY (object); + + switch (property_id) + { + case PROP_CONTAINER: + gimp_tree_proxy_set_container (tree_proxy, g_value_get_object (value)); + break; + + case PROP_FLAT: + gimp_tree_proxy_set_flat (tree_proxy, g_value_get_boolean (value)); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_tree_proxy_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpTreeProxy *tree_proxy = GIMP_TREE_PROXY (object); + + switch (property_id) + { + case PROP_CONTAINER: + g_value_set_object (value, tree_proxy->priv->container); + break; + + case PROP_FLAT: + g_value_set_boolean (value, tree_proxy->priv->flat); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_tree_proxy_container_add (GimpContainer *container, + GimpObject *object, + GimpTreeProxy *tree_proxy) +{ + gint index; + + if (tree_proxy->priv->flat) + { + index = gimp_tree_proxy_find_container (tree_proxy, container) + + gimp_tree_proxy_find_object (container, object); + } + else + { + index = gimp_container_get_child_index (container, object); + } + + gimp_tree_proxy_add_object (tree_proxy, object, index); +} + +static void +gimp_tree_proxy_container_remove (GimpContainer *container, + GimpObject *object, + GimpTreeProxy *tree_proxy) +{ + gimp_tree_proxy_remove_object (tree_proxy, object); +} + +static void +gimp_tree_proxy_container_reorder (GimpContainer *container, + GimpObject *object, + gint new_index, + GimpTreeProxy *tree_proxy) +{ + gint index; + + if (tree_proxy->priv->flat) + { + index = gimp_tree_proxy_find_container (tree_proxy, container) + + gimp_tree_proxy_find_object (container, object); + + if (gimp_viewable_get_children (GIMP_VIEWABLE (object))) + { + gimp_container_freeze (GIMP_CONTAINER (tree_proxy)); + + gimp_tree_proxy_remove_object (tree_proxy, object); + gimp_tree_proxy_add_object (tree_proxy, object, index); + + gimp_container_thaw (GIMP_CONTAINER (tree_proxy)); + + return; + } + } + else + { + index = new_index; + } + + gimp_container_reorder (GIMP_CONTAINER (tree_proxy), object, index); +} + +static void +gimp_tree_proxy_container_freeze (GimpContainer *container, + GimpTreeProxy *tree_proxy) +{ + gimp_container_freeze (GIMP_CONTAINER (tree_proxy)); +} + +static void +gimp_tree_proxy_container_thaw (GimpContainer *container, + GimpTreeProxy *tree_proxy) +{ + gimp_container_thaw (GIMP_CONTAINER (tree_proxy)); +} + +typedef struct +{ + GimpTreeProxy *tree_proxy; + gint index; +} AddContainerData; + +static void +gimp_tree_proxy_add_container_func (GimpObject *object, + AddContainerData *data) +{ + data->index = gimp_tree_proxy_add_object (data->tree_proxy, + object, data->index); +} + +static gint +gimp_tree_proxy_add_container (GimpTreeProxy *tree_proxy, + GimpContainer *container, + gint index) +{ + AddContainerData data; + + g_signal_connect (container, "add", + G_CALLBACK (gimp_tree_proxy_container_add), + tree_proxy); + g_signal_connect (container, "remove", + G_CALLBACK (gimp_tree_proxy_container_remove), + tree_proxy); + g_signal_connect (container, "reorder", + G_CALLBACK (gimp_tree_proxy_container_reorder), + tree_proxy); + g_signal_connect (container, "freeze", + G_CALLBACK (gimp_tree_proxy_container_freeze), + tree_proxy); + g_signal_connect (container, "thaw", + G_CALLBACK (gimp_tree_proxy_container_thaw), + tree_proxy); + + data.tree_proxy = tree_proxy; + data.index = index; + + gimp_container_freeze (GIMP_CONTAINER (tree_proxy)); + + gimp_container_foreach (container, + (GFunc) gimp_tree_proxy_add_container_func, + &data); + + gimp_container_thaw (GIMP_CONTAINER (tree_proxy)); + + return data.index; +} + +static void +gimp_tree_proxy_remove_container_func (GimpObject *object, + GimpTreeProxy *tree_proxy) +{ + gimp_tree_proxy_remove_object (tree_proxy, object); +} + +static void +gimp_tree_proxy_remove_container (GimpTreeProxy *tree_proxy, + GimpContainer *container) +{ + gimp_container_freeze (GIMP_CONTAINER (tree_proxy)); + + gimp_container_foreach (container, + (GFunc) gimp_tree_proxy_remove_container_func, + tree_proxy); + + gimp_container_thaw (GIMP_CONTAINER (tree_proxy)); + + g_signal_handlers_disconnect_by_func ( + container, + gimp_tree_proxy_container_add, + tree_proxy); + g_signal_handlers_disconnect_by_func ( + container, + gimp_tree_proxy_container_remove, + tree_proxy); + g_signal_handlers_disconnect_by_func ( + container, + gimp_tree_proxy_container_reorder, + tree_proxy); + g_signal_handlers_disconnect_by_func ( + container, + gimp_tree_proxy_container_freeze, + tree_proxy); + g_signal_handlers_disconnect_by_func ( + container, + gimp_tree_proxy_container_thaw, + tree_proxy); +} + +static gint +gimp_tree_proxy_add_object (GimpTreeProxy *tree_proxy, + GimpObject *object, + gint index) +{ + if (index == gimp_container_get_n_children (GIMP_CONTAINER (tree_proxy))) + index = -1; + + if (tree_proxy->priv->flat) + { + GimpContainer *children; + + children = gimp_viewable_get_children (GIMP_VIEWABLE (object)); + + if (children) + return gimp_tree_proxy_add_container (tree_proxy, children, index); + } + + if (index >= 0) + { + gimp_container_insert (GIMP_CONTAINER (tree_proxy), object, index); + + return index + 1; + } + else + { + gimp_container_add (GIMP_CONTAINER (tree_proxy), object); + + return index; + } +} + +static void +gimp_tree_proxy_remove_object (GimpTreeProxy *tree_proxy, + GimpObject *object) +{ + if (tree_proxy->priv->flat) + { + GimpContainer *children; + + children = gimp_viewable_get_children (GIMP_VIEWABLE (object)); + + if (children) + return gimp_tree_proxy_remove_container (tree_proxy, children); + } + + gimp_container_remove (GIMP_CONTAINER (tree_proxy), object); +} + +typedef struct +{ + GimpContainer *container; + gint index; +} FindContainerData; + +static gboolean +gimp_tree_proxy_find_container_search_func (GimpObject *object, + FindContainerData *data) +{ + GimpContainer *children; + + children = gimp_viewable_get_children (GIMP_VIEWABLE (object)); + + if (children) + { + if (children == data->container) + return TRUE; + + return gimp_container_search ( + children, + (GimpContainerSearchFunc) gimp_tree_proxy_find_container_search_func, + data) != NULL; + } + + data->index++; + + return FALSE; +} + +static gint +gimp_tree_proxy_find_container (GimpTreeProxy *tree_proxy, + GimpContainer *container) +{ + FindContainerData data; + + if (container == tree_proxy->priv->container) + return 0; + + data.container = container; + data.index = 0; + + if (gimp_container_search ( + tree_proxy->priv->container, + (GimpContainerSearchFunc) gimp_tree_proxy_find_container_search_func, + &data)) + { + return data.index; + } + + g_return_val_if_reached (0); +} + +typedef struct +{ + GimpObject *object; + gint index; +} FindObjectData; + +static gboolean +gimp_tree_proxy_find_object_search_func (GimpObject *object, + FindObjectData *data) +{ + GimpContainer *children; + + if (object == data->object) + return TRUE; + + children = gimp_viewable_get_children (GIMP_VIEWABLE (object)); + + if (children) + { + return gimp_container_search ( + children, + (GimpContainerSearchFunc) gimp_tree_proxy_find_object_search_func, + data) != NULL; + } + + data->index++; + + return FALSE; +} + +static gint +gimp_tree_proxy_find_object (GimpContainer *container, + GimpObject *object) +{ + FindObjectData data; + + data.object = object; + data.index = 0; + + if (gimp_container_search ( + container, + (GimpContainerSearchFunc) gimp_tree_proxy_find_object_search_func, + &data)) + { + return data.index; + } + + g_return_val_if_reached (0); +} + + +/* public functions */ + +GimpContainer * +gimp_tree_proxy_new (GType children_type) +{ + GTypeClass *children_class; + + children_class = g_type_class_ref (children_type); + + g_return_val_if_fail (G_TYPE_CHECK_CLASS_TYPE (children_class, + GIMP_TYPE_VIEWABLE), + NULL); + + g_type_class_unref (children_class); + + return g_object_new (GIMP_TYPE_TREE_PROXY, + "children-type", children_type, + "policy", GIMP_CONTAINER_POLICY_WEAK, + "append", TRUE, + NULL); +} + +GimpContainer * +gimp_tree_proxy_new_for_container (GimpContainer *container) +{ + GimpTreeProxy *tree_proxy; + + g_return_val_if_fail (GIMP_IS_CONTAINER (container), NULL); + + tree_proxy = GIMP_TREE_PROXY ( + gimp_tree_proxy_new (gimp_container_get_children_type (container))); + + gimp_tree_proxy_set_container (tree_proxy, container); + + return GIMP_CONTAINER (tree_proxy); +} + +void +gimp_tree_proxy_set_container (GimpTreeProxy *tree_proxy, + GimpContainer *container) +{ + g_return_if_fail (GIMP_IS_TREE_PROXY (tree_proxy)); + g_return_if_fail (container == NULL || GIMP_IS_CONTAINER (container)); + + if (container) + { + GTypeClass *children_class; + + children_class = g_type_class_ref ( + gimp_container_get_children_type (container)); + + g_return_if_fail ( + G_TYPE_CHECK_CLASS_TYPE ( + children_class, + gimp_container_get_children_type (GIMP_CONTAINER (tree_proxy)))); + + g_type_class_unref (children_class); + } + + if (container != tree_proxy->priv->container) + { + gimp_container_freeze (GIMP_CONTAINER (tree_proxy)); + + 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; +} |