Adding upstream version 2.10.36.upstream/2.10.36

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

1 files changed, 981 insertions, 0 deletions

diff --git a/app/widgets/gimpeditor.c b/app/widgets/gimpeditor.c
new file mode 100644
index 0000000..de130cc
--- /dev/null
+++ b/app/widgets/gimpeditor.c
@@ -0,0 +1,981 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpeditor.c
+ * Copyright (C) 2001-2004 Michael Natterer <mitch@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 <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "config/gimpguiconfig.h"
+
+#include "core/gimp.h"
+
+#include "gimpaction.h"
+#include "gimpactiongroup.h"
+#include "gimpdocked.h"
+#include "gimpeditor.h"
+#include "gimpdnd.h"
+#include "gimphighlightablebutton.h"
+#include "gimpmenufactory.h"
+#include "gimptoggleaction.h"
+#include "gimpuimanager.h"
+#include "gimpwidgets-utils.h"
+
+#include "gimp-intl.h"
+
+
+#define DEFAULT_CONTENT_SPACING  2
+#define DEFAULT_BUTTON_SPACING   2
+#define DEFAULT_BUTTON_ICON_SIZE GTK_ICON_SIZE_MENU
+#define DEFAULT_BUTTON_RELIEF    GTK_RELIEF_NONE
+
+
+enum
+{
+  PROP_0,
+  PROP_MENU_FACTORY,
+  PROP_MENU_IDENTIFIER,
+  PROP_UI_PATH,
+  PROP_POPUP_DATA,
+  PROP_SHOW_NAME,
+  PROP_NAME
+};
+
+
+struct _GimpEditorPrivate
+{
+  GimpMenuFactory *menu_factory;
+  gchar           *menu_identifier;
+  GimpUIManager   *ui_manager;
+  gchar           *ui_path;
+  gpointer         popup_data;
+
+  gboolean         show_button_bar;
+  GtkWidget       *name_label;
+  GtkWidget       *button_box;
+};
+
+
+static void         gimp_editor_docked_iface_init (GimpDockedInterface *iface);
+
+static void            gimp_editor_constructed         (GObject        *object);
+static void            gimp_editor_dispose             (GObject        *object);
+static void            gimp_editor_set_property        (GObject        *object,
+                                                        guint           property_id,
+                                                        const GValue   *value,
+                                                        GParamSpec     *pspec);
+static void            gimp_editor_get_property        (GObject        *object,
+                                                        guint           property_id,
+                                                        GValue         *value,
+                                                        GParamSpec     *pspec);
+
+static void            gimp_editor_style_set           (GtkWidget      *widget,
+                                                        GtkStyle       *prev_style);
+
+static GimpUIManager * gimp_editor_get_menu            (GimpDocked     *docked,
+                                                        const gchar   **ui_path,
+                                                        gpointer       *popup_data);
+static gboolean        gimp_editor_has_button_bar      (GimpDocked     *docked);
+static void            gimp_editor_set_show_button_bar (GimpDocked     *docked,
+                                                        gboolean        show);
+static gboolean        gimp_editor_get_show_button_bar (GimpDocked     *docked);
+
+static GtkIconSize     gimp_editor_ensure_button_box   (GimpEditor     *editor,
+                                                        GtkReliefStyle *button_relief);
+
+static void            gimp_editor_get_styling         (GimpEditor     *editor,
+                                                        GimpGuiConfig  *config,
+                                                        gint           *content_spacing,
+                                                        GtkIconSize    *button_icon_size,
+                                                        gint           *button_spacing,
+                                                        GtkReliefStyle *button_relief);
+static void            gimp_editor_config_size_changed (GimpGuiConfig   *config,
+                                                        GimpEditor      *editor);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpEditor, gimp_editor, GTK_TYPE_BOX,
+                         G_ADD_PRIVATE (GimpEditor)
+                         G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
+                                                gimp_editor_docked_iface_init))
+
+#define parent_class gimp_editor_parent_class
+
+
+static void
+gimp_editor_class_init (GimpEditorClass *klass)
+{
+  GObjectClass   *object_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+  object_class->constructed  = gimp_editor_constructed;
+  object_class->dispose      = gimp_editor_dispose;
+  object_class->set_property = gimp_editor_set_property;
+  object_class->get_property = gimp_editor_get_property;
+
+  widget_class->style_set    = gimp_editor_style_set;
+
+  g_object_class_install_property (object_class, PROP_MENU_FACTORY,
+                                   g_param_spec_object ("menu-factory",
+                                                        NULL, NULL,
+                                                        GIMP_TYPE_MENU_FACTORY,
+                                                        GIMP_PARAM_READWRITE |
+                                                        G_PARAM_CONSTRUCT_ONLY));
+
+  g_object_class_install_property (object_class, PROP_MENU_IDENTIFIER,
+                                   g_param_spec_string ("menu-identifier",
+                                                        NULL, NULL,
+                                                        NULL,
+                                                        GIMP_PARAM_READWRITE |
+                                                        G_PARAM_CONSTRUCT_ONLY));
+
+  g_object_class_install_property (object_class, PROP_UI_PATH,
+                                   g_param_spec_string ("ui-path",
+                                                        NULL, NULL,
+                                                        NULL,
+                                                        GIMP_PARAM_READWRITE |
+                                                        G_PARAM_CONSTRUCT_ONLY));
+
+  g_object_class_install_property (object_class, PROP_POPUP_DATA,
+                                   g_param_spec_pointer ("popup-data",
+                                                         NULL, NULL,
+                                                         GIMP_PARAM_READWRITE |
+                                                         G_PARAM_CONSTRUCT_ONLY));
+
+  g_object_class_install_property (object_class, PROP_SHOW_NAME,
+                                   g_param_spec_boolean ("show-name",
+                                                         NULL, NULL,
+                                                         FALSE,
+                                                         GIMP_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class, PROP_NAME,
+                                   g_param_spec_string ("name",
+                                                        NULL, NULL,
+                                                        NULL,
+                                                        GIMP_PARAM_WRITABLE |
+                                                        G_PARAM_CONSTRUCT));
+
+  gtk_widget_class_install_style_property (widget_class,
+                                           g_param_spec_int ("content-spacing",
+                                                             NULL, NULL,
+                                                             0,
+                                                             G_MAXINT,
+                                                             DEFAULT_CONTENT_SPACING,
+                                                             GIMP_PARAM_READABLE));
+
+  gtk_widget_class_install_style_property (widget_class,
+                                           g_param_spec_int ("button-spacing",
+                                                             NULL, NULL,
+                                                             0,
+                                                             G_MAXINT,
+                                                             DEFAULT_BUTTON_SPACING,
+                                                             GIMP_PARAM_READABLE));
+
+  gtk_widget_class_install_style_property (widget_class,
+                                           g_param_spec_enum ("button-icon-size",
+                                                              NULL, NULL,
+                                                              GTK_TYPE_ICON_SIZE,
+                                                              DEFAULT_BUTTON_ICON_SIZE,
+                                                              GIMP_PARAM_READABLE));
+
+  gtk_widget_class_install_style_property (widget_class,
+                                           g_param_spec_enum ("button-relief",
+                                                              NULL, NULL,
+                                                              GTK_TYPE_RELIEF_STYLE,
+                                                              DEFAULT_BUTTON_RELIEF,
+                                                              GIMP_PARAM_READABLE));
+}
+
+static void
+gimp_editor_docked_iface_init (GimpDockedInterface *iface)
+{
+  iface->get_menu            = gimp_editor_get_menu;
+  iface->has_button_bar      = gimp_editor_has_button_bar;
+  iface->set_show_button_bar = gimp_editor_set_show_button_bar;
+  iface->get_show_button_bar = gimp_editor_get_show_button_bar;
+}
+
+static void
+gimp_editor_init (GimpEditor *editor)
+{
+  gtk_orientable_set_orientation (GTK_ORIENTABLE (editor),
+                                  GTK_ORIENTATION_VERTICAL);
+
+  editor->priv            = gimp_editor_get_instance_private (editor);
+  editor->priv->popup_data      = editor;
+  editor->priv->show_button_bar = TRUE;
+
+  editor->priv->name_label = g_object_new (GTK_TYPE_LABEL,
+                                     "xalign",    0.0,
+                                     "yalign",    0.5,
+                                     "ellipsize", PANGO_ELLIPSIZE_END,
+                                     NULL);
+  gimp_label_set_attributes (GTK_LABEL (editor->priv->name_label),
+                             PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
+                             -1);
+  gtk_box_pack_start (GTK_BOX (editor), editor->priv->name_label,
+                      FALSE, FALSE, 0);
+}
+
+static void
+gimp_editor_constructed (GObject *object)
+{
+  GimpEditor *editor = GIMP_EDITOR (object);
+
+  G_OBJECT_CLASS (parent_class)->constructed (object);
+
+  if (! editor->priv->popup_data)
+    editor->priv->popup_data = editor;
+
+  if (editor->priv->menu_factory && editor->priv->menu_identifier)
+    {
+      editor->priv->ui_manager =
+        gimp_menu_factory_manager_new (editor->priv->menu_factory,
+                                       editor->priv->menu_identifier,
+                                       editor->priv->popup_data,
+                                       FALSE);
+      g_signal_connect (editor->priv->ui_manager->gimp->config,
+                        "size-changed",
+                        G_CALLBACK (gimp_editor_config_size_changed),
+                        editor);
+    }
+}
+
+static void
+gimp_editor_dispose (GObject *object)
+{
+  GimpEditor *editor = GIMP_EDITOR (object);
+
+  g_clear_object (&editor->priv->menu_factory);
+
+  g_clear_pointer (&editor->priv->menu_identifier, g_free);
+
+  if (editor->priv->ui_manager)
+    {
+      g_signal_handlers_disconnect_by_func (editor->priv->ui_manager->gimp->config,
+                                            G_CALLBACK (gimp_editor_config_size_changed),
+                                            editor);
+      g_clear_object (&editor->priv->ui_manager);
+    }
+
+  g_clear_pointer (&editor->priv->ui_path, g_free);
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_editor_set_property (GObject      *object,
+                          guint         property_id,
+                          const GValue *value,
+                          GParamSpec   *pspec)
+{
+  GimpEditor *editor = GIMP_EDITOR (object);
+
+  switch (property_id)
+    {
+    case PROP_MENU_FACTORY:
+      editor->priv->menu_factory = g_value_dup_object (value);
+      break;
+
+    case PROP_MENU_IDENTIFIER:
+      editor->priv->menu_identifier = g_value_dup_string (value);
+      break;
+
+    case PROP_UI_PATH:
+      editor->priv->ui_path = g_value_dup_string (value);
+      break;
+
+    case PROP_POPUP_DATA:
+      editor->priv->popup_data = g_value_get_pointer (value);
+      break;
+
+    case PROP_SHOW_NAME:
+      g_object_set_property (G_OBJECT (editor->priv->name_label),
+                             "visible", value);
+      break;
+
+    case PROP_NAME:
+      gimp_editor_set_name (editor, g_value_get_string (value));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_editor_get_property (GObject    *object,
+                          guint       property_id,
+                          GValue     *value,
+                          GParamSpec *pspec)
+{
+  GimpEditor *editor = GIMP_EDITOR (object);
+
+  switch (property_id)
+    {
+    case PROP_MENU_FACTORY:
+      g_value_set_object (value, editor->priv->menu_factory);
+      break;
+
+    case PROP_MENU_IDENTIFIER:
+      g_value_set_string (value, editor->priv->menu_identifier);
+      break;
+
+    case PROP_UI_PATH:
+      g_value_set_string (value, editor->priv->ui_path);
+      break;
+
+    case PROP_POPUP_DATA:
+      g_value_set_pointer (value, editor->priv->popup_data);
+      break;
+
+    case PROP_SHOW_NAME:
+      g_object_get_property (G_OBJECT (editor->priv->name_label),
+                             "visible", value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_editor_style_set (GtkWidget *widget,
+                       GtkStyle  *prev_style)
+{
+  GimpEditor    *editor = GIMP_EDITOR (widget);
+  GimpGuiConfig *config = NULL;
+
+  GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style);
+
+  if (editor->priv->ui_manager)
+    config = GIMP_GUI_CONFIG (editor->priv->ui_manager->gimp->config);
+  gimp_editor_config_size_changed (config, editor);
+}
+
+static GimpUIManager *
+gimp_editor_get_menu (GimpDocked   *docked,
+                      const gchar **ui_path,
+                      gpointer     *popup_data)
+{
+  GimpEditor *editor = GIMP_EDITOR (docked);
+
+  *ui_path    = editor->priv->ui_path;
+  *popup_data = editor->priv->popup_data;
+
+  return editor->priv->ui_manager;
+}
+
+
+static gboolean
+gimp_editor_has_button_bar (GimpDocked *docked)
+{
+  GimpEditor *editor = GIMP_EDITOR (docked);
+
+  return editor->priv->button_box != NULL;
+}
+
+static void
+gimp_editor_set_show_button_bar (GimpDocked *docked,
+                                 gboolean    show)
+{
+  GimpEditor *editor = GIMP_EDITOR (docked);
+
+  if (show != editor->priv->show_button_bar)
+    {
+      editor->priv->show_button_bar = show;
+
+      if (editor->priv->button_box)
+        gtk_widget_set_visible (editor->priv->button_box, show);
+    }
+}
+
+static gboolean
+gimp_editor_get_show_button_bar (GimpDocked *docked)
+{
+  GimpEditor *editor = GIMP_EDITOR (docked);
+
+  return editor->priv->show_button_bar;
+}
+
+GtkWidget *
+gimp_editor_new (void)
+{
+  return g_object_new (GIMP_TYPE_EDITOR, NULL);
+}
+
+void
+gimp_editor_create_menu (GimpEditor      *editor,
+                         GimpMenuFactory *menu_factory,
+                         const gchar     *menu_identifier,
+                         const gchar     *ui_path,
+                         gpointer         popup_data)
+{
+  g_return_if_fail (GIMP_IS_EDITOR (editor));
+  g_return_if_fail (GIMP_IS_MENU_FACTORY (menu_factory));
+  g_return_if_fail (menu_identifier != NULL);
+  g_return_if_fail (ui_path != NULL);
+
+  if (editor->priv->menu_factory)
+    g_object_unref (editor->priv->menu_factory);
+
+  editor->priv->menu_factory = g_object_ref (menu_factory);
+
+  if (editor->priv->ui_manager)
+    {
+      g_signal_handlers_disconnect_by_func (editor->priv->ui_manager->gimp->config,
+                                            G_CALLBACK (gimp_editor_config_size_changed),
+                                            editor);
+      g_object_unref (editor->priv->ui_manager);
+    }
+
+  editor->priv->ui_manager = gimp_menu_factory_manager_new (menu_factory,
+                                                            menu_identifier,
+                                                            popup_data,
+                                                            FALSE);
+  g_signal_connect (editor->priv->ui_manager->gimp->config,
+                    "size-changed",
+                    G_CALLBACK (gimp_editor_config_size_changed),
+                    editor);
+
+  if (editor->priv->ui_path)
+    g_free (editor->priv->ui_path);
+
+  editor->priv->ui_path = g_strdup (ui_path);
+
+  editor->priv->popup_data = popup_data;
+}
+
+gboolean
+gimp_editor_popup_menu (GimpEditor           *editor,
+                        GimpMenuPositionFunc  position_func,
+                        gpointer              position_data)
+{
+  g_return_val_if_fail (GIMP_IS_EDITOR (editor), FALSE);
+
+  if (editor->priv->ui_manager && editor->priv->ui_path)
+    {
+      gimp_ui_manager_update (editor->priv->ui_manager, editor->priv->popup_data);
+      gimp_ui_manager_ui_popup (editor->priv->ui_manager, editor->priv->ui_path,
+                                GTK_WIDGET (editor),
+                                position_func, position_data,
+                                NULL, NULL);
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+/**
+ * gimp_editor_add_button:
+ * @editor:
+ * @icon_name:
+ * @tooltip:
+ * @help_id:
+ * @callback:
+ * @extended_callback:
+ * @callback_data:
+ *
+ * Creates a new button, connect @callback to the "clicked" signal and
+ * @extended_callback to the "extended-clicked" signal.
+ * The @callback_data has to be a %GObject so that we keep a ref on it and avoid
+ * bad surprises.
+ */
+GtkWidget *
+gimp_editor_add_button (GimpEditor  *editor,
+                        const gchar *icon_name,
+                        const gchar *tooltip,
+                        const gchar *help_id,
+                        GCallback    callback,
+                        GCallback    extended_callback,
+                        GObject     *callback_data)
+{
+  GtkWidget      *button;
+  GtkWidget      *image;
+  GtkIconSize     button_icon_size;
+  GtkReliefStyle  button_relief;
+
+  g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
+  g_return_val_if_fail (icon_name != NULL, NULL);
+
+  button_icon_size = gimp_editor_ensure_button_box (editor, &button_relief);
+
+  button = gimp_highlightable_button_new ();
+  gtk_button_set_relief (GTK_BUTTON (button), button_relief);
+  gtk_box_pack_start (GTK_BOX (editor->priv->button_box), button, TRUE, TRUE, 0);
+  gtk_widget_show (button);
+
+  if (tooltip || help_id)
+    gimp_help_set_help_data (button, tooltip, help_id);
+
+  if (callback)
+    g_signal_connect_object (button, "clicked",
+                             callback,
+                             callback_data, 0);
+
+  if (extended_callback)
+    g_signal_connect_object (button, "extended-clicked",
+                             extended_callback,
+                             callback_data, 0);
+
+  image = gtk_image_new_from_icon_name (icon_name, button_icon_size);
+  gtk_container_add (GTK_CONTAINER (button), image);
+  gtk_widget_show (image);
+
+  return button;
+}
+
+GtkWidget *
+gimp_editor_add_icon_box (GimpEditor  *editor,
+                          GType        enum_type,
+                          const gchar *icon_prefix,
+                          GCallback    callback,
+                          gpointer     callback_data)
+{
+  GtkWidget      *hbox;
+  GtkWidget      *first_button;
+  GtkIconSize     button_icon_size;
+  GtkReliefStyle  button_relief;
+  GList          *children;
+  GList          *list;
+
+  g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
+  g_return_val_if_fail (g_type_is_a (enum_type, G_TYPE_ENUM), NULL);
+  g_return_val_if_fail (icon_prefix != NULL, NULL);
+
+  button_icon_size = gimp_editor_ensure_button_box (editor, &button_relief);
+
+  hbox = gimp_enum_icon_box_new (enum_type, icon_prefix, button_icon_size,
+                                 callback, callback_data,
+                                 &first_button);
+
+  children = gtk_container_get_children (GTK_CONTAINER (hbox));
+
+  for (list = children; list; list = g_list_next (list))
+    {
+      GtkWidget *button = list->data;
+
+      g_object_ref (button);
+
+      gtk_button_set_relief (GTK_BUTTON (button), button_relief);
+
+      gtk_container_remove (GTK_CONTAINER (hbox), button);
+      gtk_box_pack_start (GTK_BOX (editor->priv->button_box), button,
+                          TRUE, TRUE, 0);
+
+      g_object_unref (button);
+    }
+
+  g_list_free (children);
+
+  g_object_ref_sink (hbox);
+  g_object_unref (hbox);
+
+  return first_button;
+}
+
+
+typedef struct
+{
+  GdkModifierType  mod_mask;
+  GimpAction      *action;
+} ExtendedAction;
+
+static void
+gimp_editor_button_extended_actions_free (GList *actions)
+{
+  GList *list;
+
+  for (list = actions; list; list = list->next)
+    g_slice_free (ExtendedAction, list->data);
+
+  g_list_free (actions);
+}
+
+static void
+gimp_editor_button_extended_clicked (GtkWidget       *button,
+                                     GdkModifierType  mask,
+                                     gpointer         data)
+{
+  GList *extended = g_object_get_data (G_OBJECT (button), "extended-actions");
+  GList *list;
+
+  for (list = extended; list; list = g_list_next (list))
+    {
+      ExtendedAction *ext = list->data;
+
+      if ((ext->mod_mask & mask) == ext->mod_mask &&
+          gimp_action_get_sensitive (ext->action))
+        {
+          gimp_action_activate (ext->action);
+          break;
+        }
+    }
+}
+
+GtkWidget *
+gimp_editor_add_action_button (GimpEditor  *editor,
+                               const gchar *group_name,
+                               const gchar *action_name,
+                               ...)
+{
+  GimpActionGroup *group;
+  GimpAction      *action;
+  GtkWidget       *button;
+  GtkWidget       *old_child;
+  GtkWidget       *image;
+  GtkIconSize      button_icon_size;
+  GtkReliefStyle   button_relief;
+  const gchar     *icon_name;
+  gchar           *tooltip;
+  const gchar     *help_id;
+  GList           *extended = NULL;
+  va_list          args;
+
+  g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
+  g_return_val_if_fail (action_name != NULL, NULL);
+  g_return_val_if_fail (editor->priv->ui_manager != NULL, NULL);
+
+  group = gimp_ui_manager_get_action_group (editor->priv->ui_manager,
+                                            group_name);
+
+  g_return_val_if_fail (group != NULL, NULL);
+
+  action = gimp_action_group_get_action (group, action_name);
+
+  g_return_val_if_fail (action != NULL, NULL);
+
+  button_icon_size = gimp_editor_ensure_button_box (editor, &button_relief);
+
+  if (GIMP_IS_TOGGLE_ACTION (action))
+    button = gtk_toggle_button_new ();
+  else
+    button = gimp_highlightable_button_new ();
+
+  gtk_button_set_relief (GTK_BUTTON (button), button_relief);
+
+  icon_name = gimp_action_get_icon_name (action);
+  tooltip   = g_strdup (gimp_action_get_tooltip (action));
+  help_id   = g_object_get_qdata (G_OBJECT (action), GIMP_HELP_ID);
+
+  old_child = gtk_bin_get_child (GTK_BIN (button));
+
+  if (old_child)
+    gtk_widget_destroy (old_child);
+
+  image = gtk_image_new_from_icon_name (icon_name, button_icon_size);
+  gtk_container_add (GTK_CONTAINER (button), image);
+  gtk_widget_show (image);
+
+  gtk_activatable_set_related_action ((GtkActivatable *) button,
+                                      (GtkAction *) action);
+  gtk_box_pack_start (GTK_BOX (editor->priv->button_box), button,
+                      TRUE, TRUE, 0);
+  gtk_widget_show (button);
+
+  va_start (args, action_name);
+
+  action_name = va_arg (args, const gchar *);
+
+  while (action_name)
+    {
+      GdkModifierType mod_mask;
+
+      mod_mask = va_arg (args, GdkModifierType);
+
+      action = gimp_action_group_get_action (group, action_name);
+
+      if (action && mod_mask)
+        {
+          ExtendedAction *ext = g_slice_new (ExtendedAction);
+
+          ext->mod_mask = mod_mask;
+          ext->action   = action;
+
+          extended = g_list_prepend (extended, ext);
+
+          if (tooltip)
+            {
+              const gchar *ext_tooltip = gimp_action_get_tooltip (action);
+
+              if (ext_tooltip)
+                {
+                  gchar *tmp = g_strconcat (tooltip, "\n<b>",
+                                            gimp_get_mod_string (ext->mod_mask),
+                                            "</b>  ", ext_tooltip, NULL);
+                  g_free (tooltip);
+                  tooltip = tmp;
+                }
+            }
+        }
+
+      action_name = va_arg (args, const gchar *);
+    }
+
+  va_end (args);
+
+  if (extended)
+    {
+      g_object_set_data_full (G_OBJECT (button), "extended-actions", extended,
+                              (GDestroyNotify) gimp_editor_button_extended_actions_free);
+
+      g_signal_connect (button, "extended-clicked",
+                        G_CALLBACK (gimp_editor_button_extended_clicked),
+                        NULL);
+    }
+
+  if (tooltip || help_id)
+    gimp_help_set_help_data_with_markup (button, tooltip, help_id);
+
+  g_free (tooltip);
+
+  return button;
+}
+
+void
+gimp_editor_set_show_name (GimpEditor *editor,
+                           gboolean    show)
+{
+  g_return_if_fail (GIMP_IS_EDITOR (editor));
+
+  g_object_set (editor, "show-name", show, NULL);
+}
+
+void
+gimp_editor_set_name (GimpEditor  *editor,
+                      const gchar *name)
+{
+  g_return_if_fail (GIMP_IS_EDITOR (editor));
+
+  gtk_label_set_text (GTK_LABEL (editor->priv->name_label),
+                      name ? name : _("(None)"));
+}
+
+void
+gimp_editor_set_box_style (GimpEditor *editor,
+                           GtkBox     *box)
+{
+  GimpGuiConfig  *config = NULL;
+  GList          *children;
+  GList          *list;
+  gint            content_spacing;
+  GtkIconSize     button_icon_size;
+  gint            button_spacing;
+  GtkReliefStyle  button_relief;
+
+  g_return_if_fail (GIMP_IS_EDITOR (editor));
+  g_return_if_fail (GTK_IS_BOX (box));
+
+  if (editor->priv->ui_manager)
+    config = GIMP_GUI_CONFIG (editor->priv->ui_manager->gimp->config);
+
+  gimp_editor_get_styling (editor, config,
+                           &content_spacing,
+                           &button_icon_size,
+                           &button_spacing,
+                           &button_relief);
+
+  gtk_box_set_spacing (box, button_spacing);
+
+  children = gtk_container_get_children (GTK_CONTAINER (box));
+  for (list = children; list; list = g_list_next (list))
+    {
+      if (GTK_IS_BUTTON (list->data))
+        {
+          GtkWidget *child;
+
+          gtk_button_set_relief (GTK_BUTTON (list->data), button_relief);
+
+          child = gtk_bin_get_child (GTK_BIN (list->data));
+
+          if (GTK_IS_IMAGE (child))
+            {
+              GtkIconSize  old_size;
+              const gchar *icon_name;
+
+              gtk_image_get_icon_name (GTK_IMAGE (child), &icon_name, &old_size);
+
+              if (button_icon_size != old_size)
+                gtk_image_set_from_icon_name (GTK_IMAGE (child),
+                                              icon_name, button_icon_size);
+            }
+        }
+    }
+
+  g_list_free (children);
+}
+
+GimpUIManager *
+gimp_editor_get_ui_manager (GimpEditor *editor)
+{
+  g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
+
+  return editor->priv->ui_manager;
+}
+
+GtkBox *
+gimp_editor_get_button_box (GimpEditor *editor)
+{
+  g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
+
+  return GTK_BOX (editor->priv->button_box);
+}
+
+GimpMenuFactory *
+
+gimp_editor_get_menu_factory (GimpEditor *editor)
+{
+  g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
+
+  return editor->priv->menu_factory;
+}
+
+gpointer *
+gimp_editor_get_popup_data (GimpEditor *editor)
+{
+  g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
+
+  return editor->priv->popup_data;
+}
+
+gchar *
+gimp_editor_get_ui_path (GimpEditor *editor)
+{
+  g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
+
+  return editor->priv->ui_path;
+}
+
+
+/*  private functions  */
+
+static GtkIconSize
+gimp_editor_ensure_button_box (GimpEditor     *editor,
+                               GtkReliefStyle *button_relief)
+{
+  GimpGuiConfig *config = NULL;
+  GtkIconSize    button_icon_size;
+  gint           button_spacing;
+  gint           content_spacing;
+
+  if (editor->priv->ui_manager)
+    {
+      Gimp *gimp;
+
+      gimp = editor->priv->ui_manager->gimp;
+      config = GIMP_GUI_CONFIG (gimp->config);
+    }
+  gimp_editor_get_styling (editor, config,
+                           &content_spacing,
+                           &button_icon_size,
+                           &button_spacing,
+                           button_relief);
+
+  if (! editor->priv->button_box)
+    {
+      editor->priv->button_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
+                                              button_spacing);
+      gtk_box_set_homogeneous (GTK_BOX (editor->priv->button_box), TRUE);
+      gtk_box_pack_end (GTK_BOX (editor), editor->priv->button_box, FALSE, FALSE, 0);
+      gtk_box_reorder_child (GTK_BOX (editor), editor->priv->button_box, 0);
+
+      if (editor->priv->show_button_bar)
+        gtk_widget_show (editor->priv->button_box);
+    }
+
+  return button_icon_size;
+}
+
+static void
+gimp_editor_get_styling (GimpEditor     *editor,
+                         GimpGuiConfig  *config,
+                         gint           *content_spacing,
+                         GtkIconSize    *button_icon_size,
+                         gint           *button_spacing,
+                         GtkReliefStyle *button_relief)
+{
+  GimpIconSize size;
+
+  /* Get the theme styling. */
+  gtk_widget_style_get (GTK_WIDGET (editor),
+                        "content-spacing",  content_spacing,
+                        "button-icon-size", button_icon_size,
+                        "button-spacing",   button_spacing,
+                        "button-relief",    button_relief,
+                        NULL);
+
+  /* Check if we should override theme styling. */
+  if (config)
+    {
+      size = gimp_gui_config_detect_icon_size (config);
+      switch (size)
+        {
+        case GIMP_ICON_SIZE_SMALL:
+          *button_spacing  = MIN (*button_spacing / 2, 1);
+          *content_spacing = MIN (*content_spacing / 2, 1);
+        case GIMP_ICON_SIZE_MEDIUM:
+          *button_icon_size = GTK_ICON_SIZE_MENU;
+          break;
+        case GIMP_ICON_SIZE_LARGE:
+          *button_icon_size = GTK_ICON_SIZE_LARGE_TOOLBAR;
+          *button_spacing  *= 2;
+          *content_spacing *= 2;
+          break;
+        case GIMP_ICON_SIZE_HUGE:
+          *button_icon_size = GTK_ICON_SIZE_DND;
+          *button_spacing  *= 3;
+          *content_spacing *= 3;
+          break;
+        default:
+          /* GIMP_ICON_SIZE_DEFAULT:
+           * let's use the sizes set by the theme. */
+          break;
+        }
+    }
+}
+
+static void
+gimp_editor_config_size_changed (GimpGuiConfig *config,
+                                 GimpEditor    *editor)
+{
+  gint            content_spacing;
+  GtkIconSize     button_icon_size;
+  gint            button_spacing;
+  GtkReliefStyle  button_relief;
+
+  gimp_editor_get_styling (editor, config,
+                           &content_spacing,
+                           &button_icon_size,
+                           &button_spacing,
+                           &button_relief);
+
+  /* Editor styling. */
+  gtk_box_set_spacing (GTK_BOX (editor), content_spacing);
+
+  /* Button box styling. */
+  if (editor->priv->button_box)
+    gimp_editor_set_box_style (editor,
+                               GTK_BOX (editor->priv->button_box));
+}