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.
19 * This file contains code shared between GtkTreeStore and GtkListStore. Please
24 #include "gtktreedatalist.h"
27 static GMemChunk *tree_chunk = NULL;
28 #define TREE_CHUNK_PREALLOCS 64
33 _gtk_tree_data_list_alloc (void)
35 GtkTreeDataList *list;
37 if (tree_chunk == NULL)
38 tree_chunk = g_mem_chunk_new ("treedatalist mem chunk",
39 sizeof (GtkTreeDataList),
40 sizeof (GtkTreeDataList) * TREE_CHUNK_PREALLOCS,
43 list = g_chunk_new (GtkTreeDataList, tree_chunk);
44 memset (list, 0, sizeof (GtkTreeDataList));
50 _gtk_tree_data_list_free (GtkTreeDataList *list,
51 GType *column_headers)
53 GtkTreeDataList *tmp, *next;
61 if (g_type_is_a (column_headers [i], G_TYPE_STRING))
62 g_free ((gchar *) tmp->data.v_pointer);
63 else if (g_type_is_a (column_headers [i], G_TYPE_OBJECT) && tmp->data.v_pointer != NULL)
64 g_object_unref (tmp->data.v_pointer);
65 else if (g_type_is_a (column_headers [i], G_TYPE_BOXED) && tmp->data.v_pointer != NULL)
66 g_boxed_free (column_headers [i], (gpointer) tmp->data.v_pointer);
68 g_mem_chunk_free (tree_chunk, tmp);
75 _gtk_tree_data_list_check_type (GType type)
78 static const GType type_list[] =
100 if (! G_TYPE_IS_VALUE_TYPE (type))
104 while (type_list[i] != G_TYPE_INVALID)
106 if (g_type_is_a (type, type_list[i]))
114 get_fundamental_type (GType type)
118 result = G_TYPE_FUNDAMENTAL (type);
120 if (result == G_TYPE_INTERFACE)
122 if (g_type_is_a (type, G_TYPE_OBJECT))
123 result = G_TYPE_OBJECT;
129 _gtk_tree_data_list_node_to_value (GtkTreeDataList *list,
133 g_value_init (value, type);
135 switch (get_fundamental_type (type))
138 g_value_set_boolean (value, (gboolean) list->data.v_int);
141 g_value_set_char (value, (gchar) list->data.v_char);
144 g_value_set_uchar (value, (guchar) list->data.v_uchar);
147 g_value_set_int (value, (gint) list->data.v_int);
150 g_value_set_uint (value, (guint) list->data.v_uint);
153 g_value_set_long (value, list->data.v_long);
156 g_value_set_ulong (value, list->data.v_ulong);
159 g_value_set_int64 (value, list->data.v_int64);
162 g_value_set_uint64 (value, list->data.v_uint64);
165 g_value_set_enum (value, list->data.v_int);
168 g_value_set_flags (value, list->data.v_uint);
171 g_value_set_float (value, (gfloat) list->data.v_float);
174 g_value_set_double (value, (gdouble) list->data.v_double);
177 g_value_set_string (value, (gchar *) list->data.v_pointer);
180 g_value_set_pointer (value, (gpointer) list->data.v_pointer);
183 g_value_set_boxed (value, (gpointer) list->data.v_pointer);
186 g_value_set_object (value, (GObject *) list->data.v_pointer);
189 g_warning ("%s: Unsupported type (%s) retrieved.", G_STRLOC, g_type_name (value->g_type));
195 _gtk_tree_data_list_value_to_node (GtkTreeDataList *list,
198 switch (get_fundamental_type (G_VALUE_TYPE (value)))
201 list->data.v_int = g_value_get_boolean (value);
204 list->data.v_char = g_value_get_char (value);
207 list->data.v_uchar = g_value_get_uchar (value);
210 list->data.v_int = g_value_get_int (value);
213 list->data.v_uint = g_value_get_uint (value);
216 list->data.v_long = g_value_get_long (value);
219 list->data.v_ulong = g_value_get_ulong (value);
222 list->data.v_int64 = g_value_get_int64 (value);
225 list->data.v_uint64 = g_value_get_uint64 (value);
228 list->data.v_int = g_value_get_enum (value);
231 list->data.v_uint = g_value_get_flags (value);
234 list->data.v_pointer = g_value_get_pointer (value);
237 list->data.v_float = g_value_get_float (value);
240 list->data.v_double = g_value_get_double (value);
243 if (list->data.v_pointer)
244 g_free (list->data.v_pointer);
245 list->data.v_pointer = g_value_dup_string (value);
248 if (list->data.v_pointer)
249 g_object_unref (list->data.v_pointer);
250 list->data.v_pointer = g_value_dup_object (value);
253 if (list->data.v_pointer)
254 g_boxed_free (G_VALUE_TYPE (value), list->data.v_pointer);
255 list->data.v_pointer = g_value_dup_boxed (value);
258 g_warning ("%s: Unsupported type (%s) stored.", G_STRLOC, g_type_name (G_VALUE_TYPE (value)));
264 _gtk_tree_data_list_node_copy (GtkTreeDataList *list,
267 GtkTreeDataList *new_list;
269 g_return_val_if_fail (list != NULL, NULL);
271 new_list = _gtk_tree_data_list_alloc ();
272 new_list->next = NULL;
274 switch (get_fundamental_type (type))
290 new_list->data = list->data;
293 new_list->data.v_pointer = g_strdup (list->data.v_pointer);
296 case G_TYPE_INTERFACE:
297 new_list->data.v_pointer = list->data.v_pointer;
298 if (new_list->data.v_pointer)
299 g_object_ref (new_list->data.v_pointer);
302 if (list->data.v_pointer)
303 new_list->data.v_pointer = g_boxed_copy (type, list->data.v_pointer);
305 new_list->data.v_pointer = NULL;
308 g_warning ("Unsupported node type (%s) copied.", g_type_name (type));
316 _gtk_tree_data_list_compare_func (GtkTreeModel *model,
321 gint column = GPOINTER_TO_INT (user_data);
322 GType type = gtk_tree_model_get_column_type (model, column);
323 GValue a_value = {0, };
324 GValue b_value = {0, };
326 const gchar *stra, *strb;
328 gtk_tree_model_get_value (model, a, column, &a_value);
329 gtk_tree_model_get_value (model, b, column, &b_value);
331 switch (get_fundamental_type (type))
334 if (g_value_get_boolean (&a_value) < g_value_get_boolean (&b_value))
336 else if (g_value_get_boolean (&a_value) == g_value_get_boolean (&b_value))
342 if (g_value_get_char (&a_value) < g_value_get_char (&b_value))
344 else if (g_value_get_char (&a_value) == g_value_get_char (&b_value))
350 if (g_value_get_uchar (&a_value) < g_value_get_uchar (&b_value))
352 else if (g_value_get_uchar (&a_value) == g_value_get_uchar (&b_value))
358 if (g_value_get_int (&a_value) < g_value_get_int (&b_value))
360 else if (g_value_get_int (&a_value) == g_value_get_int (&b_value))
366 if (g_value_get_uint (&a_value) < g_value_get_uint (&b_value))
368 else if (g_value_get_uint (&a_value) == g_value_get_uint (&b_value))
374 if (g_value_get_long (&a_value) < g_value_get_long (&b_value))
376 else if (g_value_get_long (&a_value) == g_value_get_long (&b_value))
382 if (g_value_get_ulong (&a_value) < g_value_get_ulong (&b_value))
384 else if (g_value_get_ulong (&a_value) == g_value_get_ulong (&b_value))
390 if (g_value_get_int64 (&a_value) < g_value_get_int64 (&b_value))
392 else if (g_value_get_int64 (&a_value) == g_value_get_int64 (&b_value))
398 if (g_value_get_uint64 (&a_value) < g_value_get_uint64 (&b_value))
400 else if (g_value_get_uint64 (&a_value) == g_value_get_uint64 (&b_value))
406 /* this is somewhat bogus. */
407 if (g_value_get_enum (&a_value) < g_value_get_enum (&b_value))
409 else if (g_value_get_enum (&a_value) == g_value_get_enum (&b_value))
415 /* this is even more bogus. */
416 if (g_value_get_flags (&a_value) < g_value_get_flags (&b_value))
418 else if (g_value_get_flags (&a_value) == g_value_get_flags (&b_value))
424 if (g_value_get_float (&a_value) < g_value_get_float (&b_value))
426 else if (g_value_get_float (&a_value) == g_value_get_float (&b_value))
432 if (g_value_get_double (&a_value) < g_value_get_double (&b_value))
434 else if (g_value_get_double (&a_value) == g_value_get_double (&b_value))
440 stra = g_value_get_string (&a_value);
441 strb = g_value_get_string (&b_value);
442 if (stra == NULL) stra = "";
443 if (strb == NULL) strb = "";
444 retval = g_utf8_collate (stra, strb);
450 g_warning ("Attempting to sort on invalid type %s\n", g_type_name (type));
455 g_value_unset (&a_value);
456 g_value_unset (&b_value);
463 _gtk_tree_data_list_header_new (gint n_columns,
466 GList *retval = NULL;
470 for (i = 0; i < n_columns; i ++)
472 GtkTreeDataSortHeader *header;
474 header = g_new (GtkTreeDataSortHeader, 1);
476 retval = g_list_prepend (retval, header);
477 header->sort_column_id = i;
478 header->func = _gtk_tree_data_list_compare_func;
479 header->destroy = NULL;
480 header->data = GINT_TO_POINTER (i);
482 return g_list_reverse (retval);
486 _gtk_tree_data_list_header_free (GList *list)
490 for (tmp = list; tmp; tmp = tmp->next)
492 GtkTreeDataSortHeader *header = (GtkTreeDataSortHeader *) tmp->data;
496 GtkDestroyNotify d = header->destroy;
498 header->destroy = NULL;
507 GtkTreeDataSortHeader *
508 _gtk_tree_data_list_get_header (GList *header_list,
511 GtkTreeDataSortHeader *header = NULL;
513 for (; header_list; header_list = header_list->next)
515 header = (GtkTreeDataSortHeader*) header_list->data;
516 if (header->sort_column_id == sort_column_id)