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GtkWidgetPath: Add API for named regions.

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This commit is contained in:
Carlos Garnacho 2010-04-21 01:35:54 +02:00
parent 71949e05c4
commit 11c874619b
2 changed files with 148 additions and 0 deletions
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130
gtk/gtkwidgetpath.c
View File

@ -30,6 +30,7 @@ struct GtkPathElement
{
GType type;
gchar *name;
GHashTable *regions;
};
struct GtkWidgetPath
@ -67,6 +68,23 @@ gtk_widget_path_copy (const GtkWidgetPath *path)
new.type = elem->type;
new.name = g_strdup (elem->name);
if (elem->regions)
{
GHashTableIter iter;
gpointer key, value;
g_hash_table_iter_init (&iter, elem->regions);
new.regions = g_hash_table_new_full (g_str_hash,
g_str_equal,
(GDestroyNotify) g_free,
NULL);
while (g_hash_table_iter_next (&iter, &key, &value))
g_hash_table_insert (new.regions,
g_strdup ((const gchar *) key),
value);
}
g_array_append_val (new_path->elems, new);
}
@ -86,6 +104,9 @@ gtk_widget_path_free (GtkWidgetPath *path)
elem = &g_array_index (path->elems, GtkPathElement, i);
g_free (elem->name);
if (elem->regions)
g_hash_table_destroy (elem->regions);
}
g_array_free (path->elems, TRUE);
@ -175,6 +196,115 @@ gtk_widget_path_set_element_name (GtkWidgetPath *path,
elem->name = g_strdup (name);
}
void
gtk_widget_path_iter_add_region (GtkWidgetPath *path,
guint pos,
const gchar *name,
GtkChildClassFlags flags)
{
GtkPathElement *elem;
g_return_if_fail (path != NULL);
g_return_if_fail (pos < path->elems->len);
g_return_if_fail (name != NULL);
elem = &g_array_index (path->elems, GtkPathElement, pos);
if (!elem->regions)
elem->regions = g_hash_table_new_full (g_str_hash,
g_str_equal,
(GDestroyNotify) g_free,
NULL);
g_hash_table_insert (elem->regions,
g_strdup (name),
GUINT_TO_POINTER (flags));
}
void
gtk_widget_path_iter_remove_region (GtkWidgetPath *path,
guint pos,
const gchar *name)
{
GtkPathElement *elem;
g_return_if_fail (path != NULL);
g_return_if_fail (pos < path->elems->len);
g_return_if_fail (name != NULL);
elem = &g_array_index (path->elems, GtkPathElement, pos);
if (elem->regions)
g_hash_table_remove (elem->regions, name);
}
void
gtk_widget_path_iter_clear_regions (GtkWidgetPath *path,
guint pos)
{
GtkPathElement *elem;
g_return_if_fail (path != NULL);
g_return_if_fail (pos < path->elems->len);
elem = &g_array_index (path->elems, GtkPathElement, pos);
if (elem->regions)
g_hash_table_remove_all (elem->regions);
}
GSList *
gtk_widget_path_iter_list_regions (GtkWidgetPath *path,
guint pos)
{
GtkPathElement *elem;
GHashTableIter iter;
GSList *list = NULL;
gpointer key;
g_return_val_if_fail (path != NULL, NULL);
g_return_val_if_fail (pos < path->elems->len, NULL);
elem = &g_array_index (path->elems, GtkPathElement, pos);
if (!elem->regions)
return NULL;
g_hash_table_iter_init (&iter, elem->regions);
while (g_hash_table_iter_next (&iter, &key, NULL))
list = g_slist_prepend (list, key);
return list;
}
gboolean
gtk_widget_path_iter_has_region (GtkWidgetPath *path,
guint pos,
const gchar *name,
GtkChildClassFlags *flags)
{
GtkPathElement *elem;
gpointer value;
g_return_val_if_fail (path != NULL, FALSE);
g_return_val_if_fail (pos < path->elems->len, FALSE);
g_return_val_if_fail (name != NULL, FALSE);
elem = &g_array_index (path->elems, GtkPathElement, pos);
if (!elem->regions)
return FALSE;
if (!g_hash_table_lookup_extended (elem->regions, name, NULL, &value))
return FALSE;
if (flags)
*flags = GPOINTER_TO_UINT (value);
return TRUE;
}
gboolean
gtk_widget_path_has_parent (const GtkWidgetPath *path,
GType type)

18
gtk/gtkwidgetpath.h
View File

@ -50,6 +50,24 @@ void gtk_widget_path_set_element_name (GtkWidgetPath *path,
guint pos,
const gchar *name);
void gtk_widget_path_iter_add_region (GtkWidgetPath *path,
guint pos,
const gchar *name,
GtkChildClassFlags flags);
void gtk_widget_path_iter_remove_region (GtkWidgetPath *path,
guint pos,
const gchar *name);
void gtk_widget_path_iter_clear_regions (GtkWidgetPath *path,
guint pos);
GSList * gtk_widget_path_iter_list_regions (GtkWidgetPath *path,
guint pos);
gboolean gtk_widget_path_iter_has_region (GtkWidgetPath *path,
guint pos,
const gchar *name,
GtkChildClassFlags *flags);
gboolean gtk_widget_path_has_parent (const GtkWidgetPath *path,
GType type);