2 * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #include "gtktreedatalist.h"
22 static GMemChunk *tree_chunk = NULL;
23 #define TREE_CHUNK_PREALLOCS 64
28 _gtk_tree_data_list_alloc (void)
30 GtkTreeDataList *list;
32 if (tree_chunk == NULL)
33 tree_chunk = g_mem_chunk_new ("treedatalist mem chunk",
34 sizeof (GtkTreeDataList),
35 sizeof (GtkTreeDataList) * TREE_CHUNK_PREALLOCS,
38 list = g_chunk_new (GtkTreeDataList, tree_chunk);
44 _gtk_tree_data_list_free (GtkTreeDataList *list,
45 GType *column_headers)
47 GtkTreeDataList *tmp, *next;
55 if (g_type_is_a (column_headers [i], G_TYPE_STRING))
56 g_free ((gchar *) tmp->data.v_pointer);
57 else if (g_type_is_a (column_headers [i], G_TYPE_OBJECT))
58 g_object_unref (G_OBJECT (tmp->data.v_pointer));
59 else if (g_type_is_a (column_headers [i], G_TYPE_BOXED))
60 g_boxed_free (column_headers [i], (gpointer) tmp->data.v_pointer);
62 g_mem_chunk_free (tree_chunk, tmp);
69 _gtk_tree_data_list_check_type (GType type)
72 static GType type_list[] =
90 if (! G_TYPE_IS_VALUE_TYPE (type))
94 while (type_list[i] != G_TYPE_INVALID)
96 if (g_type_is_a (type, type_list[i]))
104 _gtk_tree_data_list_node_to_value (GtkTreeDataList *list,
108 g_value_init (value, type);
110 switch (G_TYPE_FUNDAMENTAL (type))
113 g_value_set_boolean (value, (gboolean) list->data.v_int);
116 g_value_set_char (value, (gchar) list->data.v_char);
119 g_value_set_uchar (value, (guchar) list->data.v_uchar);
122 g_value_set_int (value, (gint) list->data.v_int);
125 g_value_set_uint (value, (guint) list->data.v_uint);
128 g_value_set_enum (value, list->data.v_int);
131 g_value_set_flags (value, (int) list->data.v_int);
134 g_value_set_float (value, (gfloat) list->data.v_float);
137 g_value_set_double (value, (gdouble) list->data.v_double);
140 g_value_set_string (value, (gchar *) list->data.v_pointer);
143 g_value_set_pointer (value, (gpointer) list->data.v_pointer);
146 g_value_set_boxed (value, (gpointer) list->data.v_pointer);
149 g_value_set_object (value, (GObject *) list->data.v_pointer);
152 g_warning ("%s: Unsupported type (%s) retrieved.", G_STRLOC, g_type_name (value->g_type));
158 _gtk_tree_data_list_value_to_node (GtkTreeDataList *list,
161 switch (G_TYPE_FUNDAMENTAL (G_VALUE_TYPE (value)))
164 list->data.v_int = g_value_get_boolean (value);
167 list->data.v_char = g_value_get_char (value);
170 list->data.v_uchar = g_value_get_uchar (value);
173 list->data.v_int = g_value_get_int (value);
176 list->data.v_int = g_value_get_enum (value);
179 list->data.v_int = g_value_get_flags (value);
182 list->data.v_uint = g_value_get_uint (value);
185 list->data.v_pointer = g_value_get_pointer (value);
188 list->data.v_float = g_value_get_float (value);
191 list->data.v_double = g_value_get_double (value);
194 list->data.v_pointer = g_value_dup_string (value);
197 list->data.v_pointer = g_value_dup_object (value);
200 list->data.v_pointer = g_value_dup_boxed (value);
203 g_warning ("%s: Unsupported type (%s) stored.", G_STRLOC, g_type_name (G_VALUE_TYPE (value)));
209 _gtk_tree_data_list_node_copy (GtkTreeDataList *list,
212 GtkTreeDataList *new_list;
214 g_return_val_if_fail (list != NULL, NULL);
216 new_list = _gtk_tree_data_list_alloc ();
217 new_list->next = NULL;
219 switch (G_TYPE_FUNDAMENTAL (type))
229 new_list->data = list->data;
232 new_list->data.v_pointer = g_strdup (list->data.v_pointer);
235 new_list->data.v_pointer = list->data.v_pointer;
236 if (new_list->data.v_pointer)
237 g_object_ref (G_OBJECT (new_list->data.v_pointer));
240 if (list->data.v_pointer)
241 new_list->data.v_pointer = g_boxed_copy (type, list->data.v_pointer);
243 new_list->data.v_pointer = NULL;
246 g_warning ("Unsupported node type (%s) copied.", g_type_name (type));