+++ /dev/null
-/* gtktreestore.c
- * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "config.h"
-
-#include "gtktreemodelcssnode.h"
-#include "gtk/gtkcsstransientnodeprivate.h"
-
-#if !GLIB_CHECK_VERSION (2, 67, 3)
-# define g_memdup2(mem,size) g_memdup((mem), (size))
-#endif
-
-struct _GtkTreeModelCssNodePrivate
-{
- GtkTreeModelCssNodeGetFunc get_func;
- int n_columns;
- GType *column_types;
-
- GtkCssNode *root;
-};
-
-static void gtk_tree_model_css_node_connect_node (GtkTreeModelCssNode *model,
- GtkCssNode *node,
- gboolean emit_signal);
-
-static void gtk_tree_model_css_node_disconnect_node (GtkTreeModelCssNode *model,
- GtkCssNode *node,
- gboolean emit_signal,
- GtkCssNode *parent,
- GtkCssNode *previous);
-
-static void gtk_tree_model_css_node_tree_model_init (GtkTreeModelIface *iface);
-
-G_DEFINE_TYPE_WITH_CODE (GtkTreeModelCssNode, gtk_tree_model_css_node, G_TYPE_OBJECT,
- G_ADD_PRIVATE (GtkTreeModelCssNode)
- G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_MODEL,
- gtk_tree_model_css_node_tree_model_init))
-
-static GtkCssNode *
-get_nth_child (GtkCssNode *node,
- int i)
-{
- for (node = gtk_css_node_get_first_child (node);
- node != NULL && i > 0;
- node = gtk_css_node_get_next_sibling (node))
- i--;
-
- return node;
-}
-
-static int
-get_node_index (GtkCssNode *node)
-{
- int result = 0;
-
- while ((node = gtk_css_node_get_previous_sibling (node)))
- result++;
-
- return result;
-}
-
-static GtkTreeModelFlags
-gtk_tree_model_css_node_get_flags (GtkTreeModel *tree_model)
-{
- return GTK_TREE_MODEL_ITERS_PERSIST;
-}
-
-static int
-gtk_tree_model_css_node_get_n_columns (GtkTreeModel *tree_model)
-{
- GtkTreeModelCssNode *nodemodel = GTK_TREE_MODEL_CSS_NODE (tree_model);
- GtkTreeModelCssNodePrivate *priv = nodemodel->priv;
-
- return priv->n_columns;
-}
-
-static GType
-gtk_tree_model_css_node_get_column_type (GtkTreeModel *tree_model,
- int column)
-{
- GtkTreeModelCssNode *nodemodel = GTK_TREE_MODEL_CSS_NODE (tree_model);
- GtkTreeModelCssNodePrivate *priv = nodemodel->priv;
-
- g_return_val_if_fail (column < priv->n_columns, G_TYPE_INVALID);
-
- return priv->column_types[column];
-}
-
-static gboolean
-gtk_tree_model_css_node_get_iter (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- GtkTreePath *path)
-{
- GtkTreeModelCssNode *nodemodel = GTK_TREE_MODEL_CSS_NODE (tree_model);
- GtkTreeModelCssNodePrivate *priv = nodemodel->priv;
- GtkCssNode *node;
- int *indices;
- int depth, i;
-
- if (priv->root == NULL)
- return FALSE;
-
- indices = gtk_tree_path_get_indices (path);
- depth = gtk_tree_path_get_depth (path);
-
- if (depth < 1 || indices[0] != 0)
- return FALSE;
-
- node = priv->root;
- for (i = 1; i < depth; i++)
- {
- node = get_nth_child (node, indices[i]);
- if (node == NULL)
- return FALSE;
- }
-
- gtk_tree_model_css_node_get_iter_from_node (nodemodel, iter, node);
- return TRUE;
-}
-
-static GtkTreePath *
-gtk_tree_model_css_node_get_path (GtkTreeModel *tree_model,
- GtkTreeIter *iter)
-{
- GtkTreeModelCssNode *nodemodel = GTK_TREE_MODEL_CSS_NODE (tree_model);
- GtkTreeModelCssNodePrivate *priv = nodemodel->priv;
- GtkCssNode *node;
- GtkTreePath *path;
-
- g_return_val_if_fail (priv->root != NULL, NULL);
-
- path = gtk_tree_path_new ();
- node = gtk_tree_model_css_node_get_node_from_iter (nodemodel, iter);
-
- while (node != priv->root)
- {
- gtk_tree_path_prepend_index (path, get_node_index (node));
- node = gtk_css_node_get_parent (node);
- }
-
- gtk_tree_path_prepend_index (path, 0);
-
- return path;
-}
-
-static void
-gtk_tree_model_css_node_get_value (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- int column,
- GValue *value)
-{
- GtkTreeModelCssNode *nodemodel = GTK_TREE_MODEL_CSS_NODE (tree_model);
- GtkTreeModelCssNodePrivate *priv = nodemodel->priv;
-
- g_value_init (value, priv->column_types[column]);
- priv->get_func (nodemodel,
- gtk_tree_model_css_node_get_node_from_iter (nodemodel, iter),
- column,
- value);
-}
-
-static gboolean
-gtk_tree_model_css_node_iter_next (GtkTreeModel *tree_model,
- GtkTreeIter *iter)
-{
- GtkTreeModelCssNode *nodemodel = GTK_TREE_MODEL_CSS_NODE (tree_model);
- GtkTreeModelCssNodePrivate *priv = nodemodel->priv;
- GtkCssNode *node;
-
- node = gtk_tree_model_css_node_get_node_from_iter (nodemodel, iter);
- if (node == priv->root)
- return FALSE;
-
- node = gtk_css_node_get_next_sibling (node);
- if (node == NULL)
- return FALSE;
-
- gtk_tree_model_css_node_get_iter_from_node (nodemodel, iter, node);
- return TRUE;
-}
-
-static gboolean
-gtk_tree_model_css_node_iter_previous (GtkTreeModel *tree_model,
- GtkTreeIter *iter)
-{
- GtkTreeModelCssNode *nodemodel = GTK_TREE_MODEL_CSS_NODE (tree_model);
- GtkTreeModelCssNodePrivate *priv = nodemodel->priv;
- GtkCssNode *node;
-
- node = gtk_tree_model_css_node_get_node_from_iter (nodemodel, iter);
- if (node == priv->root)
- return FALSE;
-
- node = gtk_css_node_get_previous_sibling (node);
- if (node == NULL)
- return FALSE;
-
- gtk_tree_model_css_node_get_iter_from_node (nodemodel, iter, node);
- return TRUE;
-}
-
-static gboolean
-gtk_tree_model_css_node_iter_children (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- GtkTreeIter *parent)
-{
- GtkTreeModelCssNode *nodemodel = GTK_TREE_MODEL_CSS_NODE (tree_model);
- GtkTreeModelCssNodePrivate *priv = nodemodel->priv;
- GtkCssNode *node;
-
- if (parent == NULL)
- {
- node = priv->root;
- }
- else
- {
- node = gtk_tree_model_css_node_get_node_from_iter (nodemodel, parent);
- node = gtk_css_node_get_first_child (node);
- }
- if (node == NULL)
- return FALSE;
-
- gtk_tree_model_css_node_get_iter_from_node (nodemodel, iter, node);
- return TRUE;
-}
-
-static gboolean
-gtk_tree_model_css_node_iter_has_child (GtkTreeModel *tree_model,
- GtkTreeIter *iter)
-{
- GtkTreeModelCssNode *nodemodel = GTK_TREE_MODEL_CSS_NODE (tree_model);
- GtkCssNode *node;
-
- node = gtk_tree_model_css_node_get_node_from_iter (nodemodel, iter);
-
- return gtk_css_node_get_first_child (node) != NULL;
-}
-
-static int
-gtk_tree_model_css_node_iter_n_children (GtkTreeModel *tree_model,
- GtkTreeIter *iter)
-{
- GtkTreeModelCssNode *nodemodel = GTK_TREE_MODEL_CSS_NODE (tree_model);
- GtkTreeModelCssNodePrivate *priv = nodemodel->priv;
- GtkCssNode *node;
-
- if (iter == NULL)
- return priv->root ? 1 : 0;
-
- node = gtk_tree_model_css_node_get_node_from_iter (nodemodel, iter);
-
- node = gtk_css_node_get_last_child (node);
- if (node == NULL)
- return 0;
-
- return get_node_index (node) + 1;
-}
-
-static gboolean
-gtk_tree_model_css_node_iter_nth_child (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- GtkTreeIter *parent,
- int n)
-{
- GtkTreeModelCssNode *nodemodel = GTK_TREE_MODEL_CSS_NODE (tree_model);
- GtkTreeModelCssNodePrivate *priv = nodemodel->priv;
- GtkCssNode *node;
-
- if (parent == NULL)
- {
- if (n > 0)
- return FALSE;
-
- node = priv->root;
- }
- else
- {
- node = gtk_tree_model_css_node_get_node_from_iter (nodemodel, parent);
- node = get_nth_child (node, n);
- }
-
- if (node == NULL)
- return FALSE;
-
- gtk_tree_model_css_node_get_iter_from_node (nodemodel, iter, node);
- return TRUE;
-}
-
-static gboolean
-gtk_tree_model_css_node_iter_parent (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- GtkTreeIter *child)
-{
- GtkTreeModelCssNode *nodemodel = GTK_TREE_MODEL_CSS_NODE (tree_model);
- GtkTreeModelCssNodePrivate *priv = nodemodel->priv;
- GtkCssNode *node;
-
- node = gtk_tree_model_css_node_get_node_from_iter (nodemodel, child);
- if (node == priv->root)
- return FALSE;
-
- node = gtk_css_node_get_parent (node);
-
- gtk_tree_model_css_node_get_iter_from_node (nodemodel, iter, node);
- return TRUE;
-}
-
-static void
-gtk_tree_model_css_node_tree_model_init (GtkTreeModelIface *iface)
-{
- iface->get_flags = gtk_tree_model_css_node_get_flags;
- iface->get_n_columns = gtk_tree_model_css_node_get_n_columns;
- iface->get_column_type = gtk_tree_model_css_node_get_column_type;
- iface->get_iter = gtk_tree_model_css_node_get_iter;
- iface->get_path = gtk_tree_model_css_node_get_path;
- iface->get_value = gtk_tree_model_css_node_get_value;
- iface->iter_next = gtk_tree_model_css_node_iter_next;
- iface->iter_previous = gtk_tree_model_css_node_iter_previous;
- iface->iter_children = gtk_tree_model_css_node_iter_children;
- iface->iter_has_child = gtk_tree_model_css_node_iter_has_child;
- iface->iter_n_children = gtk_tree_model_css_node_iter_n_children;
- iface->iter_nth_child = gtk_tree_model_css_node_iter_nth_child;
- iface->iter_parent = gtk_tree_model_css_node_iter_parent;
-}
-
-static void
-gtk_tree_model_css_node_finalize (GObject *object)
-{
- GtkTreeModelCssNode *model = GTK_TREE_MODEL_CSS_NODE (object);
- GtkTreeModelCssNodePrivate *priv = model->priv;
-
- if (priv->root)
- {
- gtk_tree_model_css_node_disconnect_node (model, priv->root, FALSE, NULL, NULL);
- priv->root = NULL;
- }
-
- g_free (priv->column_types);
-
- G_OBJECT_CLASS (gtk_tree_model_css_node_parent_class)->finalize (object);
-}
-
-static void
-gtk_tree_model_css_node_class_init (GtkTreeModelCssNodeClass *class)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (class);
-
- object_class->finalize = gtk_tree_model_css_node_finalize;
-}
-
-static void
-gtk_tree_model_css_node_init (GtkTreeModelCssNode *nodemodel)
-{
- nodemodel->priv = gtk_tree_model_css_node_get_instance_private (nodemodel);
-}
-
-GtkTreeModel *
-gtk_tree_model_css_node_new (GtkTreeModelCssNodeGetFunc get_func,
- int n_columns,
- ...)
-{
- GtkTreeModel *result;
- va_list args;
- GType *types;
- int i;
-
- g_return_val_if_fail (get_func != NULL, NULL);
- g_return_val_if_fail (n_columns > 0, NULL);
-
- types = g_new (GType, n_columns);
- va_start (args, n_columns);
-
- for (i = 0; i < n_columns; i++)
- {
- types[i] = va_arg (args, GType);
- }
-
- va_end (args);
-
- result = gtk_tree_model_css_node_newv (get_func, n_columns, types);
-
- g_free (types);
-
- return result;
-}
-
-GtkTreeModel *
-gtk_tree_model_css_node_newv (GtkTreeModelCssNodeGetFunc get_func,
- int n_columns,
- GType *types)
-{
- GtkTreeModelCssNode *result;
- GtkTreeModelCssNodePrivate *priv;
- gsize columns_size;
-
- g_return_val_if_fail (get_func != NULL, NULL);
- g_return_val_if_fail (n_columns > 0, NULL);
- g_return_val_if_fail (n_columns <= G_MAXSIZE / sizeof (GType), NULL);
- g_return_val_if_fail (types != NULL, NULL);
-
- result = g_object_new (GTK_TYPE_TREE_MODEL_CSS_NODE, NULL);
-
- priv = result->priv;
-
- columns_size = n_columns * sizeof (GType);
-
- priv->get_func = get_func;
- priv->n_columns = n_columns;
- priv->column_types = g_memdup2 (types, columns_size);
-
- return GTK_TREE_MODEL (result);
-}
-
-static void
-child_added_cb (GtkCssNode *node,
- GtkCssNode *child,
- GtkCssNode *previous,
- GtkTreeModelCssNode *model)
-{
- gtk_tree_model_css_node_connect_node (model, child, TRUE);
-}
-
-static void
-child_removed_cb (GtkCssNode *node,
- GtkCssNode *child,
- GtkCssNode *previous,
- GtkTreeModelCssNode *model)
-{
- gtk_tree_model_css_node_disconnect_node (model, child, TRUE, node, previous);
-}
-
-static void
-notify_cb (GtkCssNode *node,
- GParamSpec *pspec,
- GtkTreeModelCssNode *model)
-{
- GtkTreeIter iter;
- GtkTreePath *path;
-
- gtk_tree_model_css_node_get_iter_from_node (model, &iter, node);
- path = gtk_tree_model_css_node_get_path (GTK_TREE_MODEL (model), &iter);
-
- gtk_tree_model_row_changed (GTK_TREE_MODEL (model), path, &iter);
-
- gtk_tree_path_free (path);
-}
-
-static void
-style_changed_cb (GtkCssNode *node,
- GtkCssStyleChange *change,
- GtkTreeModelCssNode *model)
-{
- GtkTreeIter iter;
- GtkTreePath *path;
-
- gtk_tree_model_css_node_get_iter_from_node (model, &iter, node);
- path = gtk_tree_model_css_node_get_path (GTK_TREE_MODEL (model), &iter);
-
- gtk_tree_model_row_changed (GTK_TREE_MODEL (model), path, &iter);
-
- gtk_tree_path_free (path);
-}
-
-static void
-gtk_tree_model_css_node_connect_node (GtkTreeModelCssNode *model,
- GtkCssNode *node,
- gboolean emit_signal)
-{
- GtkCssNode *child;
-
- if (GTK_IS_CSS_TRANSIENT_NODE (node))
- return;
-
- g_object_ref (node);
-
- g_signal_connect_after (node, "node-added", G_CALLBACK (child_added_cb), model);
- g_signal_connect_after (node, "node-removed", G_CALLBACK (child_removed_cb), model);
- g_signal_connect_after (node, "notify", G_CALLBACK (notify_cb), model);
- g_signal_connect_after (node, "style-changed", G_CALLBACK (style_changed_cb), model);
-
- for (child = gtk_css_node_get_first_child (node);
- child;
- child = gtk_css_node_get_next_sibling (child))
- {
- gtk_tree_model_css_node_connect_node (model, child, FALSE);
- }
-
- if (emit_signal)
- {
- GtkTreeIter iter;
- GtkTreePath *path;
-
- if (node != model->priv->root &&
- gtk_css_node_get_previous_sibling (node) == NULL &&
- gtk_css_node_get_next_sibling (node) == NULL)
- {
- /* We're the first child of the parent */
- gtk_tree_model_css_node_get_iter_from_node (model, &iter, gtk_css_node_get_parent (node));
- path = gtk_tree_model_css_node_get_path (GTK_TREE_MODEL (model), &iter);
- gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (model), path, &iter);
- gtk_tree_path_free (path);
- }
-
- gtk_tree_model_css_node_get_iter_from_node (model, &iter, node);
- path = gtk_tree_model_css_node_get_path (GTK_TREE_MODEL (model), &iter);
- gtk_tree_model_row_inserted (GTK_TREE_MODEL (model), path, &iter);
- if (gtk_css_node_get_first_child (node))
- gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (model), path, &iter);
-
- gtk_tree_path_free (path);
- }
-}
-
-static void
-gtk_tree_model_css_node_disconnect_node (GtkTreeModelCssNode *model,
- GtkCssNode *node,
- gboolean emit_signal,
- GtkCssNode *parent,
- GtkCssNode *previous)
-{
- GtkCssNode *child;
-
- if (GTK_IS_CSS_TRANSIENT_NODE (node))
- return;
-
- g_signal_handlers_disconnect_by_func (node, G_CALLBACK (child_added_cb), model);
- g_signal_handlers_disconnect_by_func (node, G_CALLBACK (child_removed_cb), model);
- g_signal_handlers_disconnect_by_func (node, G_CALLBACK (notify_cb), model);
- g_signal_handlers_disconnect_by_func (node, G_CALLBACK (style_changed_cb), model);
-
- for (child = gtk_css_node_get_first_child (node);
- child;
- child = gtk_css_node_get_next_sibling (child))
- {
- gtk_tree_model_css_node_disconnect_node (model, child, FALSE, NULL, NULL);
- }
-
- if (emit_signal)
- {
- GtkTreeIter iter;
- GtkTreePath *path;
-
- if (parent)
- {
- gtk_tree_model_css_node_get_iter_from_node (model, &iter, parent);
- path = gtk_tree_model_css_node_get_path (GTK_TREE_MODEL (model), &iter);
- }
- else
- {
- path = gtk_tree_path_new ();
- }
- if (previous)
- gtk_tree_path_append_index (path, get_node_index (previous) + 1);
- else
- gtk_tree_path_append_index (path, 0);
-
- gtk_tree_model_row_deleted (GTK_TREE_MODEL (model), path);
-
- if (parent && gtk_css_node_get_first_child (parent) == NULL)
- {
- gtk_tree_path_up (path);
- gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (model), path, &iter);
- }
-
- gtk_tree_path_free (path);
- }
-
- g_object_unref (node);
-}
-
-void
-gtk_tree_model_css_node_set_root_node (GtkTreeModelCssNode *model,
- GtkCssNode *node)
-{
- GtkTreeModelCssNodePrivate *priv;
-
- g_return_if_fail (GTK_IS_TREE_MODEL_CSS_NODE (model));
- g_return_if_fail (node == NULL || GTK_IS_CSS_NODE (node));
-
- priv = model->priv;
-
- if (priv->root == node)
- return;
-
- if (priv->root)
- {
- gtk_tree_model_css_node_disconnect_node (model, priv->root, TRUE, NULL, NULL);
- priv->root = NULL;
- }
-
- if (node)
- {
- priv->root = node;
- gtk_tree_model_css_node_connect_node (model, node, TRUE);
- }
-}
-
-GtkCssNode *
-gtk_tree_model_css_node_get_root_node (GtkTreeModelCssNode *model)
-{
- g_return_val_if_fail (GTK_IS_TREE_MODEL_CSS_NODE (model), NULL);
-
- return model->priv->root;
-}
-
-GtkCssNode *
-gtk_tree_model_css_node_get_node_from_iter (GtkTreeModelCssNode *model,
- GtkTreeIter *iter)
-{
- g_return_val_if_fail (GTK_IS_TREE_MODEL_CSS_NODE (model), NULL);
- g_return_val_if_fail (iter != NULL, NULL);
- g_return_val_if_fail (iter->user_data == model, NULL);
- g_return_val_if_fail (GTK_IS_CSS_NODE (iter->user_data2), NULL);
-
- return iter->user_data2;
-}
-
-void
-gtk_tree_model_css_node_get_iter_from_node (GtkTreeModelCssNode *model,
- GtkTreeIter *iter,
- GtkCssNode *node)
-{
- g_return_if_fail (GTK_IS_TREE_MODEL_CSS_NODE (model));
- g_return_if_fail (iter != NULL);
- g_return_if_fail (GTK_IS_CSS_NODE (node));
-
- iter->user_data = model;
- iter->user_data2 = node;
-}
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