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
23 #include "gtktreedatalist.h"
25 static GMemChunk *tree_chunk = NULL;
26 #define TREE_CHUNK_PREALLOCS 64
31 _gtk_tree_data_list_alloc (void)
33 GtkTreeDataList *list;
35 if (tree_chunk == NULL)
36 tree_chunk = g_mem_chunk_new ("treedatalist mem chunk",
37 sizeof (GtkTreeDataList),
38 sizeof (GtkTreeDataList) * TREE_CHUNK_PREALLOCS,
41 list = g_chunk_new (GtkTreeDataList, tree_chunk);
42 memset (list, 0, sizeof (GtkTreeDataList));
48 _gtk_tree_data_list_free (GtkTreeDataList *list,
49 GType *column_headers)
51 GtkTreeDataList *tmp, *next;
59 if (g_type_is_a (column_headers [i], G_TYPE_STRING))
60 g_free ((gchar *) tmp->data.v_pointer);
61 else if (g_type_is_a (column_headers [i], G_TYPE_OBJECT) && tmp->data.v_pointer != NULL)
62 g_object_unref (tmp->data.v_pointer);
63 else if (g_type_is_a (column_headers [i], G_TYPE_BOXED) && tmp->data.v_pointer != NULL)
64 g_boxed_free (column_headers [i], (gpointer) tmp->data.v_pointer);
66 g_mem_chunk_free (tree_chunk, tmp);
73 _gtk_tree_data_list_check_type (GType type)
76 static GType type_list[] =
98 if (! G_TYPE_IS_VALUE_TYPE (type))
102 while (type_list[i] != G_TYPE_INVALID)
104 if (g_type_is_a (type, type_list[i]))
113 _gtk_tree_data_list_node_to_value (GtkTreeDataList *list,
117 g_value_init (value, type);
119 switch (G_TYPE_FUNDAMENTAL (type))
122 g_value_set_boolean (value, (gboolean) list->data.v_int);
125 g_value_set_char (value, (gchar) list->data.v_char);
128 g_value_set_uchar (value, (guchar) list->data.v_uchar);
131 g_value_set_int (value, (gint) list->data.v_int);
134 g_value_set_uint (value, (guint) list->data.v_uint);
137 g_value_set_long (value, list->data.v_long);
140 g_value_set_ulong (value, list->data.v_ulong);
143 g_value_set_int64 (value, list->data.v_int64);
146 g_value_set_uint64 (value, list->data.v_uint64);
149 g_value_set_enum (value, list->data.v_int);
152 g_value_set_flags (value, list->data.v_uint);
155 g_value_set_float (value, (gfloat) list->data.v_float);
158 g_value_set_double (value, (gdouble) list->data.v_double);
161 g_value_set_string (value, (gchar *) list->data.v_pointer);
164 g_value_set_pointer (value, (gpointer) list->data.v_pointer);
167 g_value_set_boxed (value, (gpointer) list->data.v_pointer);
170 g_value_set_object (value, (GObject *) list->data.v_pointer);
173 g_warning ("%s: Unsupported type (%s) retrieved.", G_STRLOC, g_type_name (value->g_type));
179 _gtk_tree_data_list_value_to_node (GtkTreeDataList *list,
182 switch (G_TYPE_FUNDAMENTAL (G_VALUE_TYPE (value)))
185 list->data.v_int = g_value_get_boolean (value);
188 list->data.v_char = g_value_get_char (value);
191 list->data.v_uchar = g_value_get_uchar (value);
194 list->data.v_int = g_value_get_int (value);
197 list->data.v_uint = g_value_get_uint (value);
200 list->data.v_long = g_value_get_long (value);
203 list->data.v_ulong = g_value_get_ulong (value);
206 list->data.v_int64 = g_value_get_int64 (value);
209 list->data.v_uint64 = g_value_get_uint64 (value);
212 list->data.v_int = g_value_get_enum (value);
215 list->data.v_uint = g_value_get_flags (value);
218 list->data.v_pointer = g_value_get_pointer (value);
221 list->data.v_float = g_value_get_float (value);
224 list->data.v_double = g_value_get_double (value);
227 if (list->data.v_pointer)
228 g_free (list->data.v_pointer);
229 list->data.v_pointer = g_value_dup_string (value);
232 if (list->data.v_pointer)
233 g_object_unref (list->data.v_pointer);
234 list->data.v_pointer = g_value_dup_object (value);
237 if (list->data.v_pointer)
238 g_boxed_free (G_VALUE_TYPE (value), list->data.v_pointer);
239 list->data.v_pointer = g_value_dup_boxed (value);
242 g_warning ("%s: Unsupported type (%s) stored.", G_STRLOC, g_type_name (G_VALUE_TYPE (value)));
248 _gtk_tree_data_list_node_copy (GtkTreeDataList *list,
251 GtkTreeDataList *new_list;
253 g_return_val_if_fail (list != NULL, NULL);
255 new_list = _gtk_tree_data_list_alloc ();
256 new_list->next = NULL;
258 switch (G_TYPE_FUNDAMENTAL (type))
274 new_list->data = list->data;
277 new_list->data.v_pointer = g_strdup (list->data.v_pointer);
280 new_list->data.v_pointer = list->data.v_pointer;
281 if (new_list->data.v_pointer)
282 g_object_ref (new_list->data.v_pointer);
285 if (list->data.v_pointer)
286 new_list->data.v_pointer = g_boxed_copy (type, list->data.v_pointer);
288 new_list->data.v_pointer = NULL;
291 g_warning ("Unsupported node type (%s) copied.", g_type_name (type));
299 gtk_tree_data_list_compare_func (GtkTreeModel *model,
304 gint column = GPOINTER_TO_INT (user_data);
305 GType type = gtk_tree_model_get_column_type (model, column);
306 GValue a_value = {0, };
307 GValue b_value = {0, };
309 const gchar *stra, *strb;
311 gtk_tree_model_get_value (model, a, column, &a_value);
312 gtk_tree_model_get_value (model, b, column, &b_value);
314 switch (G_TYPE_FUNDAMENTAL (type))
317 if (g_value_get_int (&a_value) < g_value_get_int (&b_value))
319 else if (g_value_get_int (&a_value) == g_value_get_int (&b_value))
325 if (g_value_get_char (&a_value) < g_value_get_char (&b_value))
327 else if (g_value_get_char (&a_value) == g_value_get_char (&b_value))
333 if (g_value_get_uchar (&a_value) < g_value_get_uchar (&b_value))
335 else if (g_value_get_uchar (&a_value) == g_value_get_uchar (&b_value))
341 if (g_value_get_int (&a_value) < g_value_get_int (&b_value))
343 else if (g_value_get_int (&a_value) == g_value_get_int (&b_value))
349 if (g_value_get_uint (&a_value) < g_value_get_uint (&b_value))
351 else if (g_value_get_uint (&a_value) == g_value_get_uint (&b_value))
357 if (g_value_get_long (&a_value) < g_value_get_long (&b_value))
359 else if (g_value_get_long (&a_value) == g_value_get_long (&b_value))
365 if (g_value_get_ulong (&a_value) < g_value_get_ulong (&b_value))
367 else if (g_value_get_ulong (&a_value) == g_value_get_ulong (&b_value))
373 if (g_value_get_int64 (&a_value) < g_value_get_int64 (&b_value))
375 else if (g_value_get_int64 (&a_value) == g_value_get_int64 (&b_value))
381 if (g_value_get_uint64 (&a_value) < g_value_get_uint64 (&b_value))
383 else if (g_value_get_uint64 (&a_value) == g_value_get_uint64 (&b_value))
389 /* this is somewhat bogus. */
390 if (g_value_get_enum (&a_value) < g_value_get_enum (&b_value))
392 else if (g_value_get_enum (&a_value) == g_value_get_enum (&b_value))
398 /* this is even more bogus. */
399 if (g_value_get_flags (&a_value) < g_value_get_flags (&b_value))
401 else if (g_value_get_flags (&a_value) == g_value_get_flags (&b_value))
407 if (g_value_get_float (&a_value) < g_value_get_float (&b_value))
409 else if (g_value_get_float (&a_value) == g_value_get_float (&b_value))
415 if (g_value_get_double (&a_value) < g_value_get_double (&b_value))
417 else if (g_value_get_double (&a_value) == g_value_get_double (&b_value))
423 stra = g_value_get_string (&a_value);
424 strb = g_value_get_string (&b_value);
425 if (stra == NULL) stra = "";
426 if (strb == NULL) strb = "";
427 retval = g_utf8_collate (stra, strb);
433 g_warning ("Attempting to sort on invalid type %s\n", g_type_name (type));
438 g_value_unset (&a_value);
439 g_value_unset (&b_value);
446 _gtk_tree_data_list_header_new (gint n_columns,
449 GList *retval = NULL;
453 for (i = 0; i < n_columns; i ++)
455 GtkTreeDataSortHeader *header;
457 header = g_new (GtkTreeDataSortHeader, 1);
459 retval = g_list_prepend (retval, header);
460 header->sort_column_id = i;
461 header->func = gtk_tree_data_list_compare_func;
462 header->destroy = NULL;
463 header->data = GINT_TO_POINTER (i);
465 return g_list_reverse (retval);
469 _gtk_tree_data_list_header_free (GList *list)
473 for (tmp = list; tmp; tmp = tmp->next)
475 GtkTreeDataSortHeader *header = (GtkTreeDataSortHeader *) tmp->data;
479 GtkDestroyNotify d = header->destroy;
481 header->destroy = NULL;
490 GtkTreeDataSortHeader *
491 _gtk_tree_data_list_get_header (GList *header_list,
494 GtkTreeDataSortHeader *header = NULL;
496 for (; header_list; header_list = header_list->next)
498 header = (GtkTreeDataSortHeader*) header_list->data;
499 if (header->sort_column_id == sort_column_id)