Adding upstream version 2.10.34.upstream/2.10.34upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 260 insertions, 0 deletions

diff --git a/app/core/gimptagged.c b/app/core/gimptagged.c
new file mode 100644
index 0000000..7875f9a
--- /dev/null
+++ b/app/core/gimptagged.c
@@ -0,0 +1,260 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimptagged.c
+ * Copyright (C) 2008  Sven Neumann <sven@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <glib-object.h>
+
+#include "core-types.h"
+
+#include "gimpmarshal.h"
+#include "gimptag.h"
+#include "gimptagged.h"
+
+
+enum
+{
+  TAG_ADDED,
+  TAG_REMOVED,
+  LAST_SIGNAL
+};
+
+
+G_DEFINE_INTERFACE (GimpTagged, gimp_tagged, G_TYPE_OBJECT)
+
+
+static guint gimp_tagged_signals[LAST_SIGNAL] = { 0, };
+
+
+/*  private functions  */
+
+
+static void
+gimp_tagged_default_init (GimpTaggedInterface *iface)
+{
+  gimp_tagged_signals[TAG_ADDED] =
+    g_signal_new ("tag-added",
+                  GIMP_TYPE_TAGGED,
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GimpTaggedInterface, tag_added),
+                  NULL, NULL,
+                  g_cclosure_marshal_VOID__OBJECT,
+                  G_TYPE_NONE, 1,
+                  GIMP_TYPE_TAG);
+
+  gimp_tagged_signals[TAG_REMOVED] =
+    g_signal_new ("tag-removed",
+                  GIMP_TYPE_TAGGED,
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GimpTaggedInterface, tag_removed),
+                  NULL, NULL,
+                  g_cclosure_marshal_VOID__OBJECT,
+                  G_TYPE_NONE, 1,
+                  GIMP_TYPE_TAG);
+}
+
+
+/*  public functions  */
+
+
+/**
+ * gimp_tagged_add_tag:
+ * @tagged: an object that implements the %GimpTagged interface
+ * @tag:    a %GimpTag
+ *
+ * Adds @tag to the @tagged object. The GimpTagged::tag-added signal
+ * is emitted if and only if the @tag was not already assigned to this
+ * object.
+ **/
+void
+gimp_tagged_add_tag (GimpTagged *tagged,
+                     GimpTag    *tag)
+{
+  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))
+    {
+      g_signal_emit (tagged, gimp_tagged_signals[TAG_ADDED], 0, tag);
+    }
+}
+
+/**
+ * gimp_tagged_remove_tag:
+ * @tagged: an object that implements the %GimpTagged interface
+ * @tag:    a %GimpTag
+ *
+ * Removes @tag from the @tagged object. The GimpTagged::tag-removed
+ * signal is emitted if and only if the @tag was actually assigned to
+ * this object.
+ **/
+void
+gimp_tagged_remove_tag (GimpTagged *tagged,
+                        GimpTag    *tag)
+{
+  GList *tag_iter;
+
+  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;
+       tag_iter = g_list_next (tag_iter))
+    {
+      GimpTag *tag_ref = tag_iter->data;
+
+      if (gimp_tag_equals (tag_ref, tag))
+        {
+          g_object_ref (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_object_unref (tag_ref);
+
+          return;
+        }
+    }
+}
+
+/**
+ * gimp_tagged_set_tags:
+ * @tagged: an object that implements the %GimpTagged interface
+ * @tags:   a list of tags
+ *
+ * Sets the list of tags assigned to this object. The passed list of
+ * tags is copied and should be freed by the caller.
+ **/
+void
+gimp_tagged_set_tags (GimpTagged *tagged,
+                      GList      *tags)
+{
+  GList *old_tags;
+  GList *list;
+
+  g_return_if_fail (GIMP_IS_TAGGED (tagged));
+
+  old_tags = g_list_copy (gimp_tagged_get_tags (tagged));
+
+  for (list = old_tags; list; list = g_list_next (list))
+    {
+      gimp_tagged_remove_tag (tagged, list->data);
+    }
+
+  g_list_free (old_tags);
+
+  for (list = tags; list; list = g_list_next (list))
+    {
+      g_return_if_fail (GIMP_IS_TAG (list->data));
+
+      gimp_tagged_add_tag (tagged, list->data);
+    }
+}
+
+/**
+ * gimp_tagged_get_tags:
+ * @tagged: an object that implements the %GimpTagged interface
+ *
+ * Returns the list of tags assigned to this object. The returned %GList
+ * is owned by the @tagged object and must not be modified or destroyed.
+ *
+ * Return value: a list of tags
+ **/
+GList *
+gimp_tagged_get_tags (GimpTagged *tagged)
+{
+  g_return_val_if_fail (GIMP_IS_TAGGED (tagged), NULL);
+
+  return GIMP_TAGGED_GET_INTERFACE (tagged)->get_tags (tagged);
+}
+
+/**
+ * gimp_tagged_get_identifier:
+ * @tagged: an object that implements the %GimpTagged interface
+ *
+ * Returns an identifier string which uniquely identifies the tagged
+ * object. Two different objects must have unique identifiers but may
+ * have the same checksum (which will be the case if one object is a
+ * copy of the other). The identifier must be the same across
+ * sessions, so for example an instance pointer cannot be used as an
+ * identifier.
+ *
+ * Return value: a newly allocated string containing unique identifier
+ * of the object. It must be freed using #g_free.
+ **/
+gchar *
+gimp_tagged_get_identifier (GimpTagged *tagged)
+{
+  g_return_val_if_fail (GIMP_IS_TAGGED (tagged), NULL);
+
+  return GIMP_TAGGED_GET_INTERFACE (tagged)->get_identifier (tagged);
+}
+
+/**
+ * gimp_tagged_get_checksum:
+ * @tagged: an object that implements the %GimpTagged interface
+ *
+ * Returns the checksum of the @tagged object. It is used to remap the
+ * tags for an object for which the identifier has changed, for
+ * example if the user has renamed a data file since the last session.
+ *
+ * If the object does not want to support such remapping (objects not
+ * stored in file for example) it can return #NULL.
+ *
+ * Return value: checksum string if object needs identifier remapping,
+ * #NULL otherwise. Returned string must be freed with #g_free().
+ **/
+gchar *
+gimp_tagged_get_checksum (GimpTagged *tagged)
+{
+  g_return_val_if_fail (GIMP_IS_TAGGED (tagged), FALSE);
+
+  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;
+}