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Add a comment about unused bits.

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2004-05-14  Matthias Clasen  <mclasen@redhat.com>

	* gdk/gdktypes.h (GdkModifierType): Add a comment about unused
	bits.

	* gtk/gtkstock.c (real_add, gtk_stock_lookup): Use an unused
	modifier bit to mark stock item which need to be freed
	eventually.  (#140654, Michal Pasternak, Scott Tsai)
This commit is contained in:
Matthias Clasen
2004-05-14 13:37:07 +00:00
committed by Matthias Clasen
parent c4f723597b
commit acc6a1aa60
6 changed files with 58 additions and 3 deletions
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21
gtk/gtkstock.c
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@ -35,6 +35,11 @@
static GHashTable *stock_hash = NULL;
static void init_stock_hash (void);
/* We use an unused modifier bit to mark stock items which
* must be freed when they are removed from the hash table.
*/
#define NON_STATIC_MASK (1 << 29)
static void
real_add (const GtkStockItem *items,
guint n_items,
@ -52,14 +57,25 @@ real_add (const GtkStockItem *items,
{
gpointer old_key, old_value;
const GtkStockItem *item = &items[i];
if (item->modifier & NON_STATIC_MASK)
{
g_warning ("Bit 29 set in stock accelerator.\n");
copy = TRUE;
}
if (copy)
item = gtk_stock_item_copy (item);
{
item = gtk_stock_item_copy (item);
((GtkStockItem *)item)->modifier |= NON_STATIC_MASK;
}
if (g_hash_table_lookup_extended (stock_hash, item->stock_id,
&old_key, &old_value))
{
g_hash_table_remove (stock_hash, old_key);
gtk_stock_item_free (old_value);
if (((GtkStockItem *)old_value)->modifier & NON_STATIC_MASK)
gtk_stock_item_free (old_value);
}
g_hash_table_insert (stock_hash,
@ -136,6 +152,7 @@ gtk_stock_lookup (const gchar *stock_id,
if (found)
{
*item = *found;
item->modifier &= ~NON_STATIC_MASK;
if (item->label)
item->label = dgettext (item->translation_domain, item->label);
}