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);
57 else if (g_type_is_a (column_headers [i], G_TYPE_VARIANT) && tmp->data.v_pointer != NULL)
58 g_variant_unref ((gpointer) tmp->data.v_pointer);
60 g_slice_free (GtkTreeDataList, tmp);
67 _gtk_tree_data_list_check_type (GType type)
70 static const GType type_list[] =
93 if (! G_TYPE_IS_VALUE_TYPE (type))
97 while (type_list[i] != G_TYPE_INVALID)
99 if (g_type_is_a (type, type_list[i]))
107 get_fundamental_type (GType type)
111 result = G_TYPE_FUNDAMENTAL (type);
113 if (result == G_TYPE_INTERFACE)
115 if (g_type_is_a (type, G_TYPE_OBJECT))
116 result = G_TYPE_OBJECT;
122 _gtk_tree_data_list_node_to_value (GtkTreeDataList *list,
126 g_value_init (value, type);
128 switch (get_fundamental_type (type))
131 g_value_set_boolean (value, (gboolean) list->data.v_int);
134 g_value_set_char (value, (gchar) list->data.v_char);
137 g_value_set_uchar (value, (guchar) list->data.v_uchar);
140 g_value_set_int (value, (gint) list->data.v_int);
143 g_value_set_uint (value, (guint) list->data.v_uint);
146 g_value_set_long (value, list->data.v_long);
149 g_value_set_ulong (value, list->data.v_ulong);
152 g_value_set_int64 (value, list->data.v_int64);
155 g_value_set_uint64 (value, list->data.v_uint64);
158 g_value_set_enum (value, list->data.v_int);
161 g_value_set_flags (value, list->data.v_uint);
164 g_value_set_float (value, (gfloat) list->data.v_float);
167 g_value_set_double (value, (gdouble) list->data.v_double);
170 g_value_set_string (value, (gchar *) list->data.v_pointer);
173 g_value_set_pointer (value, (gpointer) list->data.v_pointer);
176 g_value_set_boxed (value, (gpointer) list->data.v_pointer);
179 g_value_set_variant (value, (gpointer) list->data.v_pointer);
182 g_value_set_object (value, (GObject *) list->data.v_pointer);
185 g_warning ("%s: Unsupported type (%s) retrieved.", G_STRLOC, g_type_name (value->g_type));
191 _gtk_tree_data_list_value_to_node (GtkTreeDataList *list,
194 switch (get_fundamental_type (G_VALUE_TYPE (value)))
197 list->data.v_int = g_value_get_boolean (value);
200 list->data.v_char = g_value_get_char (value);
203 list->data.v_uchar = g_value_get_uchar (value);
206 list->data.v_int = g_value_get_int (value);
209 list->data.v_uint = g_value_get_uint (value);
212 list->data.v_long = g_value_get_long (value);
215 list->data.v_ulong = g_value_get_ulong (value);
218 list->data.v_int64 = g_value_get_int64 (value);
221 list->data.v_uint64 = g_value_get_uint64 (value);
224 list->data.v_int = g_value_get_enum (value);
227 list->data.v_uint = g_value_get_flags (value);
230 list->data.v_pointer = g_value_get_pointer (value);
233 list->data.v_float = g_value_get_float (value);
236 list->data.v_double = g_value_get_double (value);
239 g_free (list->data.v_pointer);
240 list->data.v_pointer = g_value_dup_string (value);
243 if (list->data.v_pointer)
244 g_object_unref (list->data.v_pointer);
245 list->data.v_pointer = g_value_dup_object (value);
248 if (list->data.v_pointer)
249 g_boxed_free (G_VALUE_TYPE (value), list->data.v_pointer);
250 list->data.v_pointer = g_value_dup_boxed (value);
253 if (list->data.v_pointer)
254 g_variant_unref (list->data.v_pointer);
255 list->data.v_pointer = g_value_dup_variant (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 if (list->data.v_pointer)
309 new_list->data.v_pointer = g_variant_ref (list->data.v_pointer);
311 new_list->data.v_pointer = NULL;
314 g_warning ("Unsupported node type (%s) copied.", g_type_name (type));
322 _gtk_tree_data_list_compare_func (GtkTreeModel *model,
327 gint column = GPOINTER_TO_INT (user_data);
328 GType type = gtk_tree_model_get_column_type (model, column);
329 GValue a_value = {0, };
330 GValue b_value = {0, };
332 const gchar *stra, *strb;
334 gtk_tree_model_get_value (model, a, column, &a_value);
335 gtk_tree_model_get_value (model, b, column, &b_value);
337 switch (get_fundamental_type (type))
340 if (g_value_get_boolean (&a_value) < g_value_get_boolean (&b_value))
342 else if (g_value_get_boolean (&a_value) == g_value_get_boolean (&b_value))
348 if (g_value_get_char (&a_value) < g_value_get_char (&b_value))
350 else if (g_value_get_char (&a_value) == g_value_get_char (&b_value))
356 if (g_value_get_uchar (&a_value) < g_value_get_uchar (&b_value))
358 else if (g_value_get_uchar (&a_value) == g_value_get_uchar (&b_value))
364 if (g_value_get_int (&a_value) < g_value_get_int (&b_value))
366 else if (g_value_get_int (&a_value) == g_value_get_int (&b_value))
372 if (g_value_get_uint (&a_value) < g_value_get_uint (&b_value))
374 else if (g_value_get_uint (&a_value) == g_value_get_uint (&b_value))
380 if (g_value_get_long (&a_value) < g_value_get_long (&b_value))
382 else if (g_value_get_long (&a_value) == g_value_get_long (&b_value))
388 if (g_value_get_ulong (&a_value) < g_value_get_ulong (&b_value))
390 else if (g_value_get_ulong (&a_value) == g_value_get_ulong (&b_value))
396 if (g_value_get_int64 (&a_value) < g_value_get_int64 (&b_value))
398 else if (g_value_get_int64 (&a_value) == g_value_get_int64 (&b_value))
404 if (g_value_get_uint64 (&a_value) < g_value_get_uint64 (&b_value))
406 else if (g_value_get_uint64 (&a_value) == g_value_get_uint64 (&b_value))
412 /* this is somewhat bogus. */
413 if (g_value_get_enum (&a_value) < g_value_get_enum (&b_value))
415 else if (g_value_get_enum (&a_value) == g_value_get_enum (&b_value))
421 /* this is even more bogus. */
422 if (g_value_get_flags (&a_value) < g_value_get_flags (&b_value))
424 else if (g_value_get_flags (&a_value) == g_value_get_flags (&b_value))
430 if (g_value_get_float (&a_value) < g_value_get_float (&b_value))
432 else if (g_value_get_float (&a_value) == g_value_get_float (&b_value))
438 if (g_value_get_double (&a_value) < g_value_get_double (&b_value))
440 else if (g_value_get_double (&a_value) == g_value_get_double (&b_value))
446 stra = g_value_get_string (&a_value);
447 strb = g_value_get_string (&b_value);
448 if (stra == NULL) stra = "";
449 if (strb == NULL) strb = "";
450 retval = g_utf8_collate (stra, strb);
457 g_warning ("Attempting to sort on invalid type %s\n", g_type_name (type));
462 g_value_unset (&a_value);
463 g_value_unset (&b_value);
470 _gtk_tree_data_list_header_new (gint n_columns,
473 GList *retval = NULL;
477 for (i = 0; i < n_columns; i ++)
479 GtkTreeDataSortHeader *header;
481 header = g_slice_new (GtkTreeDataSortHeader);
483 retval = g_list_prepend (retval, header);
484 header->sort_column_id = i;
485 header->func = _gtk_tree_data_list_compare_func;
486 header->destroy = NULL;
487 header->data = GINT_TO_POINTER (i);
489 return g_list_reverse (retval);
493 _gtk_tree_data_list_header_free (GList *list)
497 for (tmp = list; tmp; tmp = tmp->next)
499 GtkTreeDataSortHeader *header = (GtkTreeDataSortHeader *) tmp->data;
503 GDestroyNotify d = header->destroy;
505 header->destroy = NULL;
509 g_slice_free (GtkTreeDataSortHeader, header);
514 GtkTreeDataSortHeader *
515 _gtk_tree_data_list_get_header (GList *header_list,
518 GtkTreeDataSortHeader *header = NULL;
520 for (; header_list; header_list = header_list->next)
522 header = (GtkTreeDataSortHeader*) header_list->data;
523 if (header->sort_column_id == sort_column_id)
531 _gtk_tree_data_list_set_header (GList *header_list,
533 GtkTreeIterCompareFunc func,
535 GDestroyNotify destroy)
537 GList *list = header_list;
538 GtkTreeDataSortHeader *header = NULL;
540 for (; list; list = list->next)
542 header = (GtkTreeDataSortHeader*) list->data;
543 if (header->sort_column_id == sort_column_id)
547 if (list->next == NULL)
553 header = g_slice_new0 (GtkTreeDataSortHeader);
554 header->sort_column_id = sort_column_id;
556 list = g_list_append (list, header);
558 header_list = g_list_append (header_list, header);
563 GDestroyNotify d = header->destroy;
565 header->destroy = NULL;
571 header->destroy = destroy;