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app: add gimp_tagged_has_tag(), and some cleanup in GimpTagged

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This commit is contained in:
Michael Natterer
2011-03-24 09:10:59 +01:00
parent c062432444
commit 39d2067058
2 changed files with 41 additions and 5 deletions
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43
app/core/gimptagged.c
View File

@ -110,6 +110,7 @@ gimp_tagged_add_tag (GimpTagged *tagged,
GimpTag *tag) GimpTag *tag)
{ {
g_return_if_fail (GIMP_IS_TAGGED (tagged)); g_return_if_fail (GIMP_IS_TAGGED (tagged));
g_return_if_fail (GIMP_IS_TAG (tag));
if (GIMP_TAGGED_GET_INTERFACE (tagged)->add_tag (tagged, tag)) if (GIMP_TAGGED_GET_INTERFACE (tagged)->add_tag (tagged, tag))
{ {
@ -130,22 +131,27 @@ void
gimp_tagged_remove_tag (GimpTagged *tagged, gimp_tagged_remove_tag (GimpTagged *tagged,
GimpTag *tag) GimpTag *tag)
{ {
GList *tag_iter; GList *tag_iter;
g_return_if_fail (GIMP_IS_TAGGED (tagged)); g_return_if_fail (GIMP_IS_TAGGED (tagged));
g_return_if_fail (GIMP_IS_TAG (tag));
for (tag_iter = gimp_tagged_get_tags (tagged); tag_iter; for (tag_iter = gimp_tagged_get_tags (tagged);
tag_iter;
tag_iter = g_list_next (tag_iter)) tag_iter = g_list_next (tag_iter))
{ {
GimpTag *tag_ref = GIMP_TAG (tag_iter->data); GimpTag *tag_ref = tag_iter->data;
if (gimp_tag_equals (tag_ref, tag)) if (gimp_tag_equals (tag_ref, tag))
{ {
g_object_ref (tag_ref); g_object_ref (tag_ref);
if (GIMP_TAGGED_GET_INTERFACE (tagged)->remove_tag (tagged, tag_ref)) if (GIMP_TAGGED_GET_INTERFACE (tagged)->remove_tag (tagged, tag_ref))
{ {
g_signal_emit (tagged, gimp_tagged_signals[TAG_REMOVED], 0, tag_ref); g_signal_emit (tagged, gimp_tagged_signals[TAG_REMOVED], 0,
tag_ref);
} }
g_object_unref (tag_ref); g_object_unref (tag_ref);
} }
} }
@ -154,7 +160,7 @@ gimp_tagged_remove_tag (GimpTagged *tagged,
/** /**
* gimp_tagged_set_tags: * gimp_tagged_set_tags:
* @tagged: an object that implements the %GimpTagged interface * @tagged: an object that implements the %GimpTagged interface
* @tags: a list of tags * @tags: a list of tags
* *
* Sets the list of tags assigned to this object. The passed list of * Sets the list of tags assigned to this object. The passed list of
* tags is copied and should be freed by the caller. * tags is copied and should be freed by the caller.
@ -245,3 +251,30 @@ gimp_tagged_get_checksum (GimpTagged *tagged)
return GIMP_TAGGED_GET_INTERFACE (tagged)->get_checksum (tagged); return GIMP_TAGGED_GET_INTERFACE (tagged)->get_checksum (tagged);
} }
/**
* gimp_tagged_has_tag:
* @tagged: an object that implements the %GimpTagged interface
* @tag: a %GimpTag
*
* Return value: #TRUE if the object has @tag, #FALSE otherwise.
**/
gboolean
gimp_tagged_has_tag (GimpTagged *tagged,
GimpTag *tag)
{
GList *tag_iter;
g_return_val_if_fail (GIMP_IS_TAGGED (tagged), FALSE);
g_return_val_if_fail (GIMP_IS_TAG (tag), FALSE);
for (tag_iter = gimp_tagged_get_tags (tagged);
tag_iter;
tag_iter = g_list_next (tag_iter))
{
if (gimp_tag_equals (tag_iter->data, tag))
return TRUE;
}
return FALSE;
}

3
app/core/gimptagged.h
View File

@ -65,5 +65,8 @@ GList * gimp_tagged_get_tags (GimpTagged *tagged);
gchar * gimp_tagged_get_identifier (GimpTagged *tagged); gchar * gimp_tagged_get_identifier (GimpTagged *tagged);
gchar * gimp_tagged_get_checksum (GimpTagged *tagged); gchar * gimp_tagged_get_checksum (GimpTagged *tagged);
gboolean gimp_tagged_has_tag (GimpTagged *tagged,
GimpTag *tag);
#endif /* __GIMP_TAGGED_H__ */ #endif /* __GIMP_TAGGED_H__ */