Adding upstream version 2.10.36.upstream/2.10.36

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

1 files changed, 512 insertions, 0 deletions

diff --git a/app/core/gimpobject.c b/app/core/gimpobject.c
new file mode 100644
index 0000000..0f3baf7
--- /dev/null
+++ b/app/core/gimpobject.c
@@ -0,0 +1,512 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * 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 <string.h>
+
+#include <gio/gio.h>
+#include <gegl.h>
+
+#include "libgimpbase/gimpbase.h"
+
+#include "core-types.h"
+
+#include "gimp-memsize.h"
+#include "gimpmarshal.h"
+#include "gimpobject.h"
+
+#include "gimp-debug.h"
+
+
+enum
+{
+  DISCONNECT,
+  NAME_CHANGED,
+  LAST_SIGNAL
+};
+
+enum
+{
+  PROP_0,
+  PROP_NAME
+};
+
+
+struct _GimpObjectPrivate
+{
+  gchar *name;
+  gchar *normalized;
+  guint  static_name  : 1;
+  guint  disconnected : 1;
+};
+
+
+static void    gimp_object_constructed      (GObject         *object);
+static void    gimp_object_dispose          (GObject         *object);
+static void    gimp_object_finalize         (GObject         *object);
+static void    gimp_object_set_property     (GObject         *object,
+                                             guint            property_id,
+                                             const GValue    *value,
+                                             GParamSpec      *pspec);
+static void    gimp_object_get_property     (GObject         *object,
+                                             guint            property_id,
+                                             GValue          *value,
+                                             GParamSpec      *pspec);
+static gint64  gimp_object_real_get_memsize (GimpObject      *object,
+                                             gint64          *gui_size);
+static void    gimp_object_name_normalize   (GimpObject      *object);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpObject, gimp_object, G_TYPE_OBJECT,
+                         G_ADD_PRIVATE (GimpObject))
+
+#define parent_class gimp_object_parent_class
+
+static guint object_signals[LAST_SIGNAL] = { 0 };
+
+
+static void
+gimp_object_class_init (GimpObjectClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  parent_class = g_type_class_peek_parent (klass);
+
+  object_signals[DISCONNECT] =
+    g_signal_new ("disconnect",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_FIRST,
+                  G_STRUCT_OFFSET (GimpObjectClass, disconnect),
+                  NULL, NULL,
+                  gimp_marshal_VOID__VOID,
+                  G_TYPE_NONE, 0);
+
+  object_signals[NAME_CHANGED] =
+    g_signal_new ("name-changed",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_FIRST,
+                  G_STRUCT_OFFSET (GimpObjectClass, name_changed),
+                  NULL, NULL,
+                  gimp_marshal_VOID__VOID,
+                  G_TYPE_NONE, 0);
+
+  object_class->constructed  = gimp_object_constructed;
+  object_class->dispose      = gimp_object_dispose;
+  object_class->finalize     = gimp_object_finalize;
+  object_class->set_property = gimp_object_set_property;
+  object_class->get_property = gimp_object_get_property;
+
+  klass->disconnect          = NULL;
+  klass->name_changed        = NULL;
+  klass->get_memsize         = gimp_object_real_get_memsize;
+
+  g_object_class_install_property (object_class, PROP_NAME,
+                                   g_param_spec_string ("name",
+                                                        NULL, NULL,
+                                                        NULL,
+                                                        GIMP_PARAM_READWRITE |
+                                                        G_PARAM_CONSTRUCT));
+}
+
+static void
+gimp_object_init (GimpObject *object)
+{
+  object->p = gimp_object_get_instance_private (object);
+
+  object->p->name       = NULL;
+  object->p->normalized = NULL;
+}
+
+static void
+gimp_object_constructed (GObject *object)
+{
+  G_OBJECT_CLASS (parent_class)->constructed (object);
+
+  gimp_debug_add_instance (object, G_OBJECT_GET_CLASS (object));
+}
+
+static void
+gimp_object_dispose (GObject *object)
+{
+  GimpObject *gimp_object = GIMP_OBJECT (object);
+
+  if (! gimp_object->p->disconnected)
+    {
+      g_signal_emit (object, object_signals[DISCONNECT], 0);
+
+      gimp_object->p->disconnected = TRUE;
+    }
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_object_finalize (GObject *object)
+{
+  gimp_object_name_free (GIMP_OBJECT (object));
+
+  gimp_debug_remove_instance (object);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_object_set_property (GObject      *object,
+                          guint         property_id,
+                          const GValue *value,
+                          GParamSpec   *pspec)
+{
+  GimpObject *gimp_object = GIMP_OBJECT (object);
+
+  switch (property_id)
+    {
+    case PROP_NAME:
+      gimp_object_set_name (gimp_object, g_value_get_string (value));
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_object_get_property (GObject    *object,
+                          guint       property_id,
+                          GValue     *value,
+                          GParamSpec *pspec)
+{
+  GimpObject *gimp_object = GIMP_OBJECT (object);
+
+  switch (property_id)
+    {
+    case PROP_NAME:
+      if (gimp_object->p->static_name)
+        g_value_set_static_string (value, gimp_object->p->name);
+      else
+        g_value_set_string (value, gimp_object->p->name);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+/**
+ * gimp_object_set_name:
+ * @object: a #GimpObject
+ * @name: the @object's new name
+ *
+ * Sets the @object's name. Takes care of freeing the old name and
+ * emitting the ::name_changed signal if the old and new name differ.
+ **/
+void
+gimp_object_set_name (GimpObject  *object,
+                      const gchar *name)
+{
+  g_return_if_fail (GIMP_IS_OBJECT (object));
+
+  if (! g_strcmp0 (object->p->name, name))
+    return;
+
+  gimp_object_name_free (object);
+
+  object->p->name = g_strdup (name);
+  object->p->static_name = FALSE;
+
+  gimp_object_name_changed (object);
+  g_object_notify (G_OBJECT (object), "name");
+}
+
+/**
+ * gimp_object_set_name_safe:
+ * @object: a #GimpObject
+ * @name: the @object's new name
+ *
+ * A safe version of gimp_object_set_name() that takes care of
+ * handling newlines and overly long names. The actual name set
+ * may be different to the @name you pass.
+ **/
+void
+gimp_object_set_name_safe (GimpObject  *object,
+                           const gchar *name)
+{
+  g_return_if_fail (GIMP_IS_OBJECT (object));
+
+  if (! g_strcmp0 (object->p->name, name))
+    return;
+
+  gimp_object_name_free (object);
+
+  object->p->name = gimp_utf8_strtrim (name, 30);
+  object->p->static_name = FALSE;
+
+  gimp_object_name_changed (object);
+  g_object_notify (G_OBJECT (object), "name");
+}
+
+void
+gimp_object_set_static_name (GimpObject  *object,
+                             const gchar *name)
+{
+  g_return_if_fail (GIMP_IS_OBJECT (object));
+
+  if (! g_strcmp0 (object->p->name, name))
+    return;
+
+  gimp_object_name_free (object);
+
+  object->p->name = (gchar *) name;
+  object->p->static_name = TRUE;
+
+  gimp_object_name_changed (object);
+  g_object_notify (G_OBJECT (object), "name");
+}
+
+void
+gimp_object_take_name (GimpObject *object,
+                       gchar      *name)
+{
+  g_return_if_fail (GIMP_IS_OBJECT (object));
+
+  if (! g_strcmp0 (object->p->name, name))
+    {
+      g_free (name);
+      return;
+    }
+
+  gimp_object_name_free (object);
+
+  object->p->name = name;
+  object->p->static_name = FALSE;
+
+  gimp_object_name_changed (object);
+  g_object_notify (G_OBJECT (object), "name");
+}
+
+/**
+ * gimp_object_get_name:
+ * @object: a #GimpObject
+ *
+ * This function gives access to the name of a GimpObject. The
+ * returned name belongs to the object and must not be freed.
+ *
+ * Return value: a pointer to the @object's name
+ **/
+const gchar *
+gimp_object_get_name (gconstpointer object)
+{
+  const GimpObject *object_typed = object;
+  g_return_val_if_fail (GIMP_IS_OBJECT (object_typed), NULL);
+
+  return object_typed->p->name;
+}
+
+/**
+ * gimp_object_name_changed:
+ * @object: a #GimpObject
+ *
+ * Causes the ::name-changed signal to be emitted.
+ **/
+void
+gimp_object_name_changed (GimpObject *object)
+{
+  g_return_if_fail (GIMP_IS_OBJECT (object));
+
+  g_signal_emit (object, object_signals[NAME_CHANGED], 0);
+}
+
+/**
+ * gimp_object_name_free:
+ * @object: a #GimpObject
+ *
+ * Frees the name of @object and sets the name pointer to %NULL. Also
+ * takes care of the normalized name that the object might be caching.
+ *
+ * In general you should be using gimp_object_set_name() instead. But
+ * if you ever need to free the object name but don't want the
+ * ::name-changed signal to be emitted, then use this function. Never
+ * ever free the object name directly!
+ **/
+void
+gimp_object_name_free (GimpObject *object)
+{
+  if (object->p->normalized)
+    {
+      if (object->p->normalized != object->p->name)
+        g_free (object->p->normalized);
+
+      object->p->normalized = NULL;
+    }
+
+  if (object->p->name)
+    {
+      if (! object->p->static_name)
+        g_free (object->p->name);
+
+      object->p->name = NULL;
+      object->p->static_name = FALSE;
+    }
+}
+
+/**
+ * gimp_object_name_collate:
+ * @object1: a #GimpObject
+ * @object2: another #GimpObject
+ *
+ * Compares two object names for ordering using the linguistically
+ * correct rules for the current locale. It caches the normalized
+ * version of the object name to speed up subsequent calls.
+ *
+ * Return value: -1 if object1 compares before object2,
+ *                0 if they compare equal,
+ *                1 if object1 compares after object2.
+ **/
+gint
+gimp_object_name_collate (GimpObject *object1,
+                          GimpObject *object2)
+{
+  if (! object1->p->normalized)
+    gimp_object_name_normalize (object1);
+
+  if (! object2->p->normalized)
+    gimp_object_name_normalize (object2);
+
+  return strcmp (object1->p->normalized, object2->p->normalized);
+}
+
+static void
+gimp_object_name_normalize (GimpObject *object)
+{
+  g_return_if_fail (object->p->normalized == NULL);
+
+  if (object->p->name)
+    {
+      gchar *key = g_utf8_collate_key (object->p->name, -1);
+
+      if (strcmp (key, object->p->name))
+        {
+          object->p->normalized = key;
+        }
+      else
+        {
+          g_free (key);
+          object->p->normalized = object->p->name;
+        }
+    }
+}
+
+
+#define DEBUG_MEMSIZE 1
+
+#ifdef DEBUG_MEMSIZE
+gboolean gimp_debug_memsize = FALSE;
+#endif
+
+gint64
+gimp_object_get_memsize (GimpObject *object,
+                         gint64     *gui_size)
+{
+  gint64 my_size     = 0;
+  gint64 my_gui_size = 0;
+
+  g_return_val_if_fail (object == NULL || GIMP_IS_OBJECT (object), 0);
+
+  if (! object)
+    {
+      if (gui_size)
+        *gui_size = 0;
+
+      return 0;
+    }
+
+#ifdef DEBUG_MEMSIZE
+  if (gimp_debug_memsize)
+    {
+      static gint   indent_level     = 0;
+      static GList *aggregation_tree = NULL;
+      static gchar  indent_buf[256];
+
+      gint64  memsize;
+      gint64  gui_memsize = 0;
+      gint    i;
+      gint    my_indent_level;
+      gchar  *object_size;
+
+      indent_level++;
+
+      my_indent_level = indent_level;
+
+      memsize = GIMP_OBJECT_GET_CLASS (object)->get_memsize (object,
+                                                             &gui_memsize);
+
+      indent_level--;
+
+      for (i = 0; i < MIN (my_indent_level * 2, sizeof (indent_buf) - 1); i++)
+        indent_buf[i] = ' ';
+
+      indent_buf[i] = '\0';
+
+      object_size = g_strdup_printf ("%s%s \"%s\": "
+                                     "%" G_GINT64_FORMAT
+                                     "(%" G_GINT64_FORMAT ")\n",
+                                     indent_buf,
+                                     g_type_name (G_TYPE_FROM_INSTANCE (object)),
+                                     object->p->name ? object->p->name : "anonymous",
+                                     memsize,
+                                     gui_memsize);
+
+      aggregation_tree = g_list_prepend (aggregation_tree, object_size);
+
+      if (indent_level == 0)
+        {
+          GList *list;
+
+          for (list = aggregation_tree; list; list = g_list_next (list))
+            {
+              g_print ("%s", (gchar *) list->data);
+              g_free (list->data);
+            }
+
+          g_list_free (aggregation_tree);
+          aggregation_tree = NULL;
+        }
+
+      return memsize;
+    }
+#endif /* DEBUG_MEMSIZE */
+
+  my_size = GIMP_OBJECT_GET_CLASS (object)->get_memsize (object,
+                                                         &my_gui_size);
+
+  if (gui_size)
+    *gui_size = my_gui_size;
+
+  return my_size;
+}
+
+static gint64
+gimp_object_real_get_memsize (GimpObject *object,
+                              gint64     *gui_size)
+{
+  gint64 memsize = 0;
+
+  if (! object->p->static_name)
+    memsize += gimp_string_get_memsize (object->p->name);
+
+  return memsize + gimp_g_object_get_memsize ((GObject *) object);
+}