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"
31 _gtk_tree_data_list_alloc (void)
33 GtkTreeDataList *list;
35 list = g_slice_new0 (GtkTreeDataList);
41 _gtk_tree_data_list_free (GtkTreeDataList *list,
42 GType *column_headers)
44 GtkTreeDataList *tmp, *next;
52 if (g_type_is_a (column_headers [i], G_TYPE_STRING))
53 g_free ((gchar *) tmp->data.v_pointer);
54 else if (g_type_is_a (column_headers [i], G_TYPE_OBJECT) && tmp->data.v_pointer != NULL)
55 g_object_unref (tmp->data.v_pointer);
56 else if (g_type_is_a (column_headers [i], G_TYPE_BOXED) && tmp->data.v_pointer != NULL)
57 g_boxed_free (column_headers [i], (gpointer) tmp->data.v_pointer);
59 g_slice_free (GtkTreeDataList, tmp);
66 _gtk_tree_data_list_check_type (GType type)
69 static const GType type_list[] =
91 if (! G_TYPE_IS_VALUE_TYPE (type))
95 while (type_list[i] != G_TYPE_INVALID)
97 if (g_type_is_a (type, type_list[i]))
105 get_fundamental_type (GType type)
109 result = G_TYPE_FUNDAMENTAL (type);
111 if (result == G_TYPE_INTERFACE)
113 if (g_type_is_a (type, G_TYPE_OBJECT))
114 result = G_TYPE_OBJECT;
120 _gtk_tree_data_list_node_to_value (GtkTreeDataList *list,
124 g_value_init (value, type);
126 switch (get_fundamental_type (type))
129 g_value_set_boolean (value, (gboolean) list->data.v_int);
132 g_value_set_char (value, (gchar) list->data.v_char);
135 g_value_set_uchar (value, (guchar) list->data.v_uchar);
138 g_value_set_int (value, (gint) list->data.v_int);
141 g_value_set_uint (value, (guint) list->data.v_uint);
144 g_value_set_long (value, list->data.v_long);
147 g_value_set_ulong (value, list->data.v_ulong);
150 g_value_set_int64 (value, list->data.v_int64);
153 g_value_set_uint64 (value, list->data.v_uint64);
156 g_value_set_enum (value, list->data.v_int);
159 g_value_set_flags (value, list->data.v_uint);
162 g_value_set_float (value, (gfloat) list->data.v_float);
165 g_value_set_double (value, (gdouble) list->data.v_double);
168 g_value_set_string (value, (gchar *) list->data.v_pointer);
171 g_value_set_pointer (value, (gpointer) list->data.v_pointer);
174 g_value_set_boxed (value, (gpointer) list->data.v_pointer);
177 g_value_set_object (value, (GObject *) list->data.v_pointer);
180 g_warning ("%s: Unsupported type (%s) retrieved.", G_STRLOC, g_type_name (value->g_type));
186 _gtk_tree_data_list_value_to_node (GtkTreeDataList *list,
189 switch (get_fundamental_type (G_VALUE_TYPE (value)))
192 list->data.v_int = g_value_get_boolean (value);
195 list->data.v_char = g_value_get_char (value);
198 list->data.v_uchar = g_value_get_uchar (value);
201 list->data.v_int = g_value_get_int (value);
204 list->data.v_uint = g_value_get_uint (value);
207 list->data.v_long = g_value_get_long (value);
210 list->data.v_ulong = g_value_get_ulong (value);
213 list->data.v_int64 = g_value_get_int64 (value);
216 list->data.v_uint64 = g_value_get_uint64 (value);
219 list->data.v_int = g_value_get_enum (value);
222 list->data.v_uint = g_value_get_flags (value);
225 list->data.v_pointer = g_value_get_pointer (value);
228 list->data.v_float = g_value_get_float (value);
231 list->data.v_double = g_value_get_double (value);
234 if (list->data.v_pointer)
235 g_free (list->data.v_pointer);
236 list->data.v_pointer = g_value_dup_string (value);
239 if (list->data.v_pointer)
240 g_object_unref (list->data.v_pointer);
241 list->data.v_pointer = g_value_dup_object (value);
244 if (list->data.v_pointer)
245 g_boxed_free (G_VALUE_TYPE (value), list->data.v_pointer);
246 list->data.v_pointer = g_value_dup_boxed (value);
249 g_warning ("%s: Unsupported type (%s) stored.", G_STRLOC, g_type_name (G_VALUE_TYPE (value)));
255 _gtk_tree_data_list_node_copy (GtkTreeDataList *list,
258 GtkTreeDataList *new_list;
260 g_return_val_if_fail (list != NULL, NULL);
262 new_list = _gtk_tree_data_list_alloc ();
263 new_list->next = NULL;
265 switch (get_fundamental_type (type))
281 new_list->data = list->data;
284 new_list->data.v_pointer = g_strdup (list->data.v_pointer);
287 case G_TYPE_INTERFACE:
288 new_list->data.v_pointer = list->data.v_pointer;
289 if (new_list->data.v_pointer)
290 g_object_ref (new_list->data.v_pointer);
293 if (list->data.v_pointer)
294 new_list->data.v_pointer = g_boxed_copy (type, list->data.v_pointer);
296 new_list->data.v_pointer = NULL;
299 g_warning ("Unsupported node type (%s) copied.", g_type_name (type));
307 _gtk_tree_data_list_compare_func (GtkTreeModel *model,
312 gint column = GPOINTER_TO_INT (user_data);
313 GType type = gtk_tree_model_get_column_type (model, column);
314 GValue a_value = {0, };
315 GValue b_value = {0, };
317 const gchar *stra, *strb;
319 gtk_tree_model_get_value (model, a, column, &a_value);
320 gtk_tree_model_get_value (model, b, column, &b_value);
322 switch (get_fundamental_type (type))
325 if (g_value_get_boolean (&a_value) < g_value_get_boolean (&b_value))
327 else if (g_value_get_boolean (&a_value) == g_value_get_boolean (&b_value))
333 if (g_value_get_char (&a_value) < g_value_get_char (&b_value))
335 else if (g_value_get_char (&a_value) == g_value_get_char (&b_value))
341 if (g_value_get_uchar (&a_value) < g_value_get_uchar (&b_value))
343 else if (g_value_get_uchar (&a_value) == g_value_get_uchar (&b_value))
349 if (g_value_get_int (&a_value) < g_value_get_int (&b_value))
351 else if (g_value_get_int (&a_value) == g_value_get_int (&b_value))
357 if (g_value_get_uint (&a_value) < g_value_get_uint (&b_value))
359 else if (g_value_get_uint (&a_value) == g_value_get_uint (&b_value))
365 if (g_value_get_long (&a_value) < g_value_get_long (&b_value))
367 else if (g_value_get_long (&a_value) == g_value_get_long (&b_value))
373 if (g_value_get_ulong (&a_value) < g_value_get_ulong (&b_value))
375 else if (g_value_get_ulong (&a_value) == g_value_get_ulong (&b_value))
381 if (g_value_get_int64 (&a_value) < g_value_get_int64 (&b_value))
383 else if (g_value_get_int64 (&a_value) == g_value_get_int64 (&b_value))
389 if (g_value_get_uint64 (&a_value) < g_value_get_uint64 (&b_value))
391 else if (g_value_get_uint64 (&a_value) == g_value_get_uint64 (&b_value))
397 /* this is somewhat bogus. */
398 if (g_value_get_enum (&a_value) < g_value_get_enum (&b_value))
400 else if (g_value_get_enum (&a_value) == g_value_get_enum (&b_value))
406 /* this is even more bogus. */
407 if (g_value_get_flags (&a_value) < g_value_get_flags (&b_value))
409 else if (g_value_get_flags (&a_value) == g_value_get_flags (&b_value))
415 if (g_value_get_float (&a_value) < g_value_get_float (&b_value))
417 else if (g_value_get_float (&a_value) == g_value_get_float (&b_value))
423 if (g_value_get_double (&a_value) < g_value_get_double (&b_value))
425 else if (g_value_get_double (&a_value) == g_value_get_double (&b_value))
431 stra = g_value_get_string (&a_value);
432 strb = g_value_get_string (&b_value);
433 if (stra == NULL) stra = "";
434 if (strb == NULL) strb = "";
435 retval = g_utf8_collate (stra, strb);
441 g_warning ("Attempting to sort on invalid type %s\n", g_type_name (type));
446 g_value_unset (&a_value);
447 g_value_unset (&b_value);
454 _gtk_tree_data_list_header_new (gint n_columns,
457 GList *retval = NULL;
461 for (i = 0; i < n_columns; i ++)
463 GtkTreeDataSortHeader *header;
465 header = g_slice_new (GtkTreeDataSortHeader);
467 retval = g_list_prepend (retval, header);
468 header->sort_column_id = i;
469 header->func = _gtk_tree_data_list_compare_func;
470 header->destroy = NULL;
471 header->data = GINT_TO_POINTER (i);
473 return g_list_reverse (retval);
477 _gtk_tree_data_list_header_free (GList *list)
481 for (tmp = list; tmp; tmp = tmp->next)
483 GtkTreeDataSortHeader *header = (GtkTreeDataSortHeader *) tmp->data;
487 GtkDestroyNotify d = header->destroy;
489 header->destroy = NULL;
493 g_slice_free (GtkTreeDataSortHeader, header);
498 GtkTreeDataSortHeader *
499 _gtk_tree_data_list_get_header (GList *header_list,
502 GtkTreeDataSortHeader *header = NULL;
504 for (; header_list; header_list = header_list->next)
506 header = (GtkTreeDataSortHeader*) header_list->data;
507 if (header->sort_column_id == sort_column_id)
515 _gtk_tree_data_list_set_header (GList *header_list,
517 GtkTreeIterCompareFunc func,
519 GtkDestroyNotify destroy)
521 GList *list = header_list;
522 GtkTreeDataSortHeader *header = NULL;
524 for (; list; list = list->next)
526 header = (GtkTreeDataSortHeader*) list->data;
527 if (header->sort_column_id == sort_column_id)
531 if (list->next == NULL)
537 header = g_slice_new0 (GtkTreeDataSortHeader);
538 header->sort_column_id = sort_column_id;
540 list = g_list_append (list, header);
542 header_list = g_list_append (header_list, header);
547 GtkDestroyNotify d = header->destroy;
549 header->destroy = NULL;
555 header->destroy = destroy;