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"
30 _gtk_tree_data_list_alloc (void)
32 GtkTreeDataList *list;
34 list = g_slice_new0 (GtkTreeDataList);
40 _gtk_tree_data_list_free (GtkTreeDataList *list,
41 GType *column_headers)
43 GtkTreeDataList *tmp, *next;
51 if (g_type_is_a (column_headers [i], G_TYPE_STRING))
52 g_free ((gchar *) tmp->data.v_pointer);
53 else if (g_type_is_a (column_headers [i], G_TYPE_OBJECT) && tmp->data.v_pointer != NULL)
54 g_object_unref (tmp->data.v_pointer);
55 else if (g_type_is_a (column_headers [i], G_TYPE_BOXED) && tmp->data.v_pointer != NULL)
56 g_boxed_free (column_headers [i], (gpointer) tmp->data.v_pointer);
58 g_slice_free (GtkTreeDataList, tmp);
65 _gtk_tree_data_list_check_type (GType type)
68 static const 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 get_fundamental_type (GType type)
108 result = G_TYPE_FUNDAMENTAL (type);
110 if (result == G_TYPE_INTERFACE)
112 if (g_type_is_a (type, G_TYPE_OBJECT))
113 result = G_TYPE_OBJECT;
119 _gtk_tree_data_list_node_to_value (GtkTreeDataList *list,
123 g_value_init (value, type);
125 switch (get_fundamental_type (type))
128 g_value_set_boolean (value, (gboolean) list->data.v_int);
131 g_value_set_char (value, (gchar) list->data.v_char);
134 g_value_set_uchar (value, (guchar) list->data.v_uchar);
137 g_value_set_int (value, (gint) list->data.v_int);
140 g_value_set_uint (value, (guint) list->data.v_uint);
143 g_value_set_long (value, list->data.v_long);
146 g_value_set_ulong (value, list->data.v_ulong);
149 g_value_set_int64 (value, list->data.v_int64);
152 g_value_set_uint64 (value, list->data.v_uint64);
155 g_value_set_enum (value, list->data.v_int);
158 g_value_set_flags (value, list->data.v_uint);
161 g_value_set_float (value, (gfloat) list->data.v_float);
164 g_value_set_double (value, (gdouble) list->data.v_double);
167 g_value_set_string (value, (gchar *) list->data.v_pointer);
170 g_value_set_pointer (value, (gpointer) list->data.v_pointer);
173 g_value_set_boxed (value, (gpointer) list->data.v_pointer);
176 g_value_set_object (value, (GObject *) list->data.v_pointer);
179 g_warning ("%s: Unsupported type (%s) retrieved.", G_STRLOC, g_type_name (value->g_type));
185 _gtk_tree_data_list_value_to_node (GtkTreeDataList *list,
188 switch (get_fundamental_type (G_VALUE_TYPE (value)))
191 list->data.v_int = g_value_get_boolean (value);
194 list->data.v_char = g_value_get_char (value);
197 list->data.v_uchar = g_value_get_uchar (value);
200 list->data.v_int = g_value_get_int (value);
203 list->data.v_uint = g_value_get_uint (value);
206 list->data.v_long = g_value_get_long (value);
209 list->data.v_ulong = g_value_get_ulong (value);
212 list->data.v_int64 = g_value_get_int64 (value);
215 list->data.v_uint64 = g_value_get_uint64 (value);
218 list->data.v_int = g_value_get_enum (value);
221 list->data.v_uint = g_value_get_flags (value);
224 list->data.v_pointer = g_value_get_pointer (value);
227 list->data.v_float = g_value_get_float (value);
230 list->data.v_double = g_value_get_double (value);
233 g_free (list->data.v_pointer);
234 list->data.v_pointer = g_value_dup_string (value);
237 if (list->data.v_pointer)
238 g_object_unref (list->data.v_pointer);
239 list->data.v_pointer = g_value_dup_object (value);
242 if (list->data.v_pointer)
243 g_boxed_free (G_VALUE_TYPE (value), list->data.v_pointer);
244 list->data.v_pointer = g_value_dup_boxed (value);
247 g_warning ("%s: Unsupported type (%s) stored.", G_STRLOC, g_type_name (G_VALUE_TYPE (value)));
253 _gtk_tree_data_list_node_copy (GtkTreeDataList *list,
256 GtkTreeDataList *new_list;
258 g_return_val_if_fail (list != NULL, NULL);
260 new_list = _gtk_tree_data_list_alloc ();
261 new_list->next = NULL;
263 switch (get_fundamental_type (type))
279 new_list->data = list->data;
282 new_list->data.v_pointer = g_strdup (list->data.v_pointer);
285 case G_TYPE_INTERFACE:
286 new_list->data.v_pointer = list->data.v_pointer;
287 if (new_list->data.v_pointer)
288 g_object_ref (new_list->data.v_pointer);
291 if (list->data.v_pointer)
292 new_list->data.v_pointer = g_boxed_copy (type, list->data.v_pointer);
294 new_list->data.v_pointer = NULL;
297 g_warning ("Unsupported node type (%s) copied.", g_type_name (type));
305 _gtk_tree_data_list_compare_func (GtkTreeModel *model,
310 gint column = GPOINTER_TO_INT (user_data);
311 GType type = gtk_tree_model_get_column_type (model, column);
312 GValue a_value = {0, };
313 GValue b_value = {0, };
315 const gchar *stra, *strb;
317 gtk_tree_model_get_value (model, a, column, &a_value);
318 gtk_tree_model_get_value (model, b, column, &b_value);
320 switch (get_fundamental_type (type))
323 if (g_value_get_boolean (&a_value) < g_value_get_boolean (&b_value))
325 else if (g_value_get_boolean (&a_value) == g_value_get_boolean (&b_value))
331 if (g_value_get_char (&a_value) < g_value_get_char (&b_value))
333 else if (g_value_get_char (&a_value) == g_value_get_char (&b_value))
339 if (g_value_get_uchar (&a_value) < g_value_get_uchar (&b_value))
341 else if (g_value_get_uchar (&a_value) == g_value_get_uchar (&b_value))
347 if (g_value_get_int (&a_value) < g_value_get_int (&b_value))
349 else if (g_value_get_int (&a_value) == g_value_get_int (&b_value))
355 if (g_value_get_uint (&a_value) < g_value_get_uint (&b_value))
357 else if (g_value_get_uint (&a_value) == g_value_get_uint (&b_value))
363 if (g_value_get_long (&a_value) < g_value_get_long (&b_value))
365 else if (g_value_get_long (&a_value) == g_value_get_long (&b_value))
371 if (g_value_get_ulong (&a_value) < g_value_get_ulong (&b_value))
373 else if (g_value_get_ulong (&a_value) == g_value_get_ulong (&b_value))
379 if (g_value_get_int64 (&a_value) < g_value_get_int64 (&b_value))
381 else if (g_value_get_int64 (&a_value) == g_value_get_int64 (&b_value))
387 if (g_value_get_uint64 (&a_value) < g_value_get_uint64 (&b_value))
389 else if (g_value_get_uint64 (&a_value) == g_value_get_uint64 (&b_value))
395 /* this is somewhat bogus. */
396 if (g_value_get_enum (&a_value) < g_value_get_enum (&b_value))
398 else if (g_value_get_enum (&a_value) == g_value_get_enum (&b_value))
404 /* this is even more bogus. */
405 if (g_value_get_flags (&a_value) < g_value_get_flags (&b_value))
407 else if (g_value_get_flags (&a_value) == g_value_get_flags (&b_value))
413 if (g_value_get_float (&a_value) < g_value_get_float (&b_value))
415 else if (g_value_get_float (&a_value) == g_value_get_float (&b_value))
421 if (g_value_get_double (&a_value) < g_value_get_double (&b_value))
423 else if (g_value_get_double (&a_value) == g_value_get_double (&b_value))
429 stra = g_value_get_string (&a_value);
430 strb = g_value_get_string (&b_value);
431 if (stra == NULL) stra = "";
432 if (strb == NULL) strb = "";
433 retval = g_utf8_collate (stra, strb);
439 g_warning ("Attempting to sort on invalid type %s\n", g_type_name (type));
444 g_value_unset (&a_value);
445 g_value_unset (&b_value);
452 _gtk_tree_data_list_header_new (gint n_columns,
455 GList *retval = NULL;
459 for (i = 0; i < n_columns; i ++)
461 GtkTreeDataSortHeader *header;
463 header = g_slice_new (GtkTreeDataSortHeader);
465 retval = g_list_prepend (retval, header);
466 header->sort_column_id = i;
467 header->func = _gtk_tree_data_list_compare_func;
468 header->destroy = NULL;
469 header->data = GINT_TO_POINTER (i);
471 return g_list_reverse (retval);
475 _gtk_tree_data_list_header_free (GList *list)
479 for (tmp = list; tmp; tmp = tmp->next)
481 GtkTreeDataSortHeader *header = (GtkTreeDataSortHeader *) tmp->data;
485 GDestroyNotify d = header->destroy;
487 header->destroy = NULL;
491 g_slice_free (GtkTreeDataSortHeader, header);
496 GtkTreeDataSortHeader *
497 _gtk_tree_data_list_get_header (GList *header_list,
500 GtkTreeDataSortHeader *header = NULL;
502 for (; header_list; header_list = header_list->next)
504 header = (GtkTreeDataSortHeader*) header_list->data;
505 if (header->sort_column_id == sort_column_id)
513 _gtk_tree_data_list_set_header (GList *header_list,
515 GtkTreeIterCompareFunc func,
517 GDestroyNotify destroy)
519 GList *list = header_list;
520 GtkTreeDataSortHeader *header = NULL;
522 for (; list; list = list->next)
524 header = (GtkTreeDataSortHeader*) list->data;
525 if (header->sort_column_id == sort_column_id)
529 if (list->next == NULL)
535 header = g_slice_new0 (GtkTreeDataSortHeader);
536 header->sort_column_id = sort_column_id;
538 list = g_list_append (list, header);
540 header_list = g_list_append (header_list, header);
545 GDestroyNotify d = header->destroy;
547 header->destroy = NULL;
553 header->destroy = destroy;