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#include <gtk/gtk.h>
#include "owltreemodelslice.h"
struct _OwlTreeModelSlicePrivate {
GtkTreeModel *child_model;
GtkTreePath *root;
};
#define OWL_TREE_MODEL_SLICE_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), OWL_TYPE_TREE_MODEL_SLICE, OwlTreeModelSlicePrivate))
static void owl_tree_model_slice_tree_model_init (GtkTreeModelIface *iface);
/*
* Implementation prototypes
*/
static GtkTreeModelFlags owl_tree_model_slice_get_flags (GtkTreeModel *model);
static gint owl_tree_model_slice_get_n_columns (GtkTreeModel *model);
static GType owl_tree_model_slice_get_column_type (GtkTreeModel *model, gint index);
static gboolean owl_tree_model_slice_get_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreePath *path);
// TODO get_path
static void owl_tree_model_slice_get_value (GtkTreeModel *tree_model, GtkTreeIter *iter, gint column, GValue *value);
static gboolean owl_tree_model_slice_iter_next (GtkTreeModel *tree_model, GtkTreeIter *iter);
static gboolean owl_tree_model_slice_iter_children (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *parent);
static gboolean owl_tree_model_slice_iter_has_child (GtkTreeModel *model, GtkTreeIter *iter);
static gint owl_tree_model_slice_iter_n_children (GtkTreeModel *model, GtkTreeIter *iter);
static gboolean owl_tree_model_slice_iter_nth_child (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *parent, gint n);
static gboolean owl_tree_model_slice_iter_parent (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *child);
// TODO ref node
// TODO unref node
G_DEFINE_TYPE_EXTENDED (OwlTreeModelSlice,
owl_tree_model_slice,
G_TYPE_OBJECT,
0,
G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_MODEL,
owl_tree_model_slice_tree_model_init));
static void
owl_tree_model_slice_init (OwlTreeModelSlice *slice)
{
slice->priv = OWL_TREE_MODEL_SLICE_GET_PRIVATE (slice);
}
static void
owl_tree_model_slice_class_init (OwlTreeModelSliceClass *klass)
{
g_type_class_add_private (G_OBJECT_CLASS (klass), sizeof (OwlTreeModelSlicePrivate));
}
static void
owl_tree_model_slice_tree_model_init (GtkTreeModelIface *iface)
{
iface->get_flags = owl_tree_model_slice_get_flags;
iface->get_n_columns = owl_tree_model_slice_get_n_columns;
iface->get_column_type = owl_tree_model_slice_get_column_type;
iface->get_iter = owl_tree_model_slice_get_iter;
//iface->get_path = owl_tree_model_slice_get_path;
iface->get_value = owl_tree_model_slice_get_value;
iface->iter_next = owl_tree_model_slice_iter_next;
iface->iter_children = owl_tree_model_slice_iter_children;
iface->iter_has_child = owl_tree_model_slice_iter_has_child;
iface->iter_n_children = owl_tree_model_slice_iter_n_children;
iface->iter_nth_child = owl_tree_model_slice_iter_nth_child;
iface->iter_parent = owl_tree_model_slice_iter_parent;
// iface->ref_node = owl_tree_model_slice_ref_node;
// iface->unref_node = owl_tree_model_slice_unref_node;
}
static GtkTreeModelFlags
owl_tree_model_slice_get_flags (GtkTreeModel *model)
{
OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model);
g_return_val_if_fail (slice != NULL, 0);
g_return_val_if_fail (slice->priv->child_model != NULL, 0);
return gtk_tree_model_get_flags (slice->priv->child_model) | GTK_TREE_MODEL_LIST_ONLY;
}
static gint
owl_tree_model_slice_get_n_columns (GtkTreeModel *model)
{
OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model);
g_return_val_if_fail (slice != NULL, 0);
g_return_val_if_fail (slice->priv->child_model != NULL, 0);
return gtk_tree_model_get_n_columns (slice->priv->child_model);
}
static GType
owl_tree_model_slice_get_column_type (GtkTreeModel *model, gint index)
{
OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model);
g_return_val_if_fail (slice != NULL, G_TYPE_INVALID);
g_return_val_if_fail (slice->priv->child_model != NULL, G_TYPE_INVALID);
return gtk_tree_model_get_column_type (slice->priv->child_model, index);
}
static GtkTreePath*
convert_to_child (OwlTreeModelSlice *slice, GtkTreePath *path)
{
GtkTreePath *new_path;
gint depth;
gint *indices;
g_assert (slice);
g_assert (path);
if (slice->priv->root == NULL)
return path;
new_path = gtk_tree_path_copy (slice->priv->root);
depth = gtk_tree_path_get_depth (path);
indices = gtk_tree_path_get_indices (path);
while (depth--)
gtk_tree_path_append_index (new_path, *indices++);
return new_path;
}
static gboolean
owl_tree_model_slice_get_iter (GtkTreeModel *model,
GtkTreeIter *iter,
GtkTreePath *path)
{
OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model);
GtkTreePath *new_path;
g_return_val_if_fail (slice != NULL, FALSE);
g_return_val_if_fail (slice->priv->child_model != NULL, FALSE);
new_path = convert_to_child (slice, path);
return gtk_tree_model_get_iter (slice->priv->child_model, iter, new_path);
}
static void
owl_tree_model_slice_get_value (GtkTreeModel *model,
GtkTreeIter *iter,
gint column,
GValue *value)
{
OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model);
g_return_if_fail (slice != NULL);
g_return_if_fail (slice->priv->child_model != NULL);
gtk_tree_model_get_value (slice->priv->child_model, iter, column, value);
}
static gboolean
owl_tree_model_slice_iter_next (GtkTreeModel *model,
GtkTreeIter *iter)
{
OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model);
g_return_val_if_fail (slice != NULL, FALSE);
g_return_val_if_fail (slice->priv->child_model != NULL, FALSE);
return gtk_tree_model_iter_next (slice->priv->child_model, iter);
}
static gboolean
owl_tree_model_slice_iter_children (GtkTreeModel *model,
GtkTreeIter *iter,
GtkTreeIter *parent)
{
OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model);
g_return_val_if_fail (slice != NULL, FALSE);
g_return_val_if_fail (slice->priv->child_model != NULL, FALSE);
if (parent == NULL)
return gtk_tree_model_get_iter_first (model, iter);
else
return FALSE;
}
static gboolean
owl_tree_model_slice_iter_has_child (GtkTreeModel *model,
GtkTreeIter *iter)
{
OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model);
g_return_val_if_fail (slice != NULL, FALSE);
g_return_val_if_fail (slice->priv->child_model != NULL, FALSE);
return FALSE;
}
static gint
owl_tree_model_slice_iter_n_children (GtkTreeModel *model,
GtkTreeIter *iter)
{
OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model);
g_return_val_if_fail (slice != NULL, 0);
g_return_val_if_fail (slice->priv->child_model != NULL, 0);
if (iter) {
return 0;
} else {
GtkTreeIter child_iter;
if (!gtk_tree_model_get_iter (slice->priv->child_model, &child_iter, slice->priv->root)) {
g_warning ("Cannot get child iterator");
return 0;
}
return gtk_tree_model_iter_n_children (slice->priv->child_model, &child_iter);
}
}
static gboolean
owl_tree_model_slice_iter_nth_child (GtkTreeModel *model,
GtkTreeIter *iter,
GtkTreeIter *parent,
gint n)
{
OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model);
g_return_val_if_fail (slice != NULL, FALSE);
g_return_val_if_fail (slice->priv->child_model != NULL, FALSE);
if (parent != NULL)
return FALSE;
else
return gtk_tree_model_iter_nth_child (slice->priv->child_model, iter, parent, n);
}
static gboolean
owl_tree_model_slice_iter_parent (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *child)
{
OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model);
g_return_val_if_fail (slice != NULL, FALSE);
g_return_val_if_fail (slice->priv->child_model != NULL, FALSE);
return FALSE;
}
GtkTreeModel *
owl_tree_model_slice_new (GtkTreeModel *child_model,
GtkTreePath *root)
{
OwlTreeModelSlice *slice;
g_return_val_if_fail (child_model != NULL, NULL);
slice = g_object_new (OWL_TYPE_TREE_MODEL_SLICE, NULL);
slice->priv->child_model = child_model;
slice->priv->root = root;
return (GtkTreeModel *)slice;
}
GtkTreeModel *
gtk_tree_model_slice_get_model (OwlTreeModelSlice *slice)
{
g_return_val_if_fail (OWL_IS_TREE_MODEL_SLICE (slice), NULL);
return slice->priv->child_model;
}
/* TODO */
void owl_tree_model_slice_convert_child_iter_to_iter (OwlTreeModelSlice *slice,
GtkTreeIter *slice_iter,
GtkTreeIter *child_iter);
void owl_tree_model_slice_convert_iter_to_child_iter (OwlTreeModelSlice *slice,
GtkTreeIter *child_iter,
GtkTreeIter *slice_iter);
GtkTreePath *owl_tree_model_slice_convert_child_path_to_path (OwlTreeModelSlice *slice,
GtkTreePath *child_path);
GtkTreePath *owl_tree_model_slice_convert_path_to_child_path (OwlTreeModelSlice *slice,
GtkTreePath *slice_path);
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