Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 1037 insertions, 0 deletions

diff --git a/app/display/gimptoolgui.c b/app/display/gimptoolgui.c
new file mode 100644
index 0000000..28c40bf
--- /dev/null
+++ b/app/display/gimptoolgui.c
@@ -0,0 +1,1037 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimptoolgui.c
+ * Copyright (C) 2013  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 "display-types.h"
+
+#include "core/gimpcontext.h"
+#include "core/gimpmarshal.h"
+#include "core/gimptoolinfo.h"
+
+#include "widgets/gimpdialogfactory.h"
+#include "widgets/gimpoverlaybox.h"
+#include "widgets/gimpoverlaydialog.h"
+#include "widgets/gimpwidgets-utils.h"
+
+#include "gimpdisplayshell.h"
+#include "gimptooldialog.h"
+#include "gimptoolgui.h"
+
+
+enum
+{
+  RESPONSE,
+  LAST_SIGNAL
+};
+
+
+typedef struct _ResponseEntry ResponseEntry;
+
+struct _ResponseEntry
+{
+  gint      response_id;
+  gchar    *button_text;
+  gint      alternative_position;
+  gboolean  sensitive;
+};
+
+typedef struct _GimpToolGuiPrivate GimpToolGuiPrivate;
+
+struct _GimpToolGuiPrivate
+{
+  GimpToolInfo     *tool_info;
+  gchar            *title;
+  gchar            *description;
+  gchar            *icon_name;
+  gchar            *help_id;
+  GList            *response_entries;
+  gint              default_response;
+  gboolean          focus_on_map;
+
+  gboolean          overlay;
+  gboolean          auto_overlay;
+
+  GimpDisplayShell *shell;
+  GimpViewable     *viewable;
+
+  GtkWidget        *dialog;
+  GtkWidget        *vbox;
+};
+
+#define GET_PRIVATE(gui) ((GimpToolGuiPrivate *) gimp_tool_gui_get_instance_private ((GimpToolGui *) (gui)))
+
+
+static void            gimp_tool_gui_dispose           (GObject       *object);
+static void            gimp_tool_gui_finalize          (GObject       *object);
+
+static void            gimp_tool_gui_create_dialog     (GimpToolGui   *gui,
+                                                        GdkScreen     *screen,
+                                                        gint           monitor);
+static void            gimp_tool_gui_add_dialog_button (GimpToolGui   *gui,
+                                                        ResponseEntry *entry);
+static void            gimp_tool_gui_update_buttons    (GimpToolGui   *gui);
+static void            gimp_tool_gui_update_shell      (GimpToolGui   *gui);
+static void            gimp_tool_gui_update_viewable   (GimpToolGui   *gui);
+
+static void            gimp_tool_gui_dialog_response   (GtkWidget     *dialog,
+                                                        gint           response_id,
+                                                        GimpToolGui   *gui);
+static void            gimp_tool_gui_canvas_resized    (GtkWidget     *canvas,
+                                                        GtkAllocation *allocation,
+                                                        GimpToolGui   *gui);
+
+static ResponseEntry * response_entry_new              (gint           response_id,
+                                                        const gchar   *button_text);
+static void            response_entry_free             (ResponseEntry *entry);
+static ResponseEntry * response_entry_find             (GList         *entries,
+                                                        gint           response_id);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpToolGui, gimp_tool_gui, GIMP_TYPE_OBJECT)
+
+static guint signals[LAST_SIGNAL] = { 0, };
+
+#define parent_class gimp_tool_gui_parent_class
+
+
+static void
+gimp_tool_gui_class_init (GimpToolGuiClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->dispose  = gimp_tool_gui_dispose;
+  object_class->finalize = gimp_tool_gui_finalize;
+
+  signals[RESPONSE] =
+    g_signal_new ("response",
+                  G_OBJECT_CLASS_TYPE (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GimpToolGuiClass, response),
+                  NULL, NULL,
+                  gimp_marshal_VOID__INT,
+                  G_TYPE_NONE, 1,
+                  G_TYPE_INT);
+}
+
+static void
+gimp_tool_gui_init (GimpToolGui *gui)
+{
+  GimpToolGuiPrivate *private = GET_PRIVATE (gui);
+
+  private->default_response = -1;
+  private->focus_on_map     = TRUE;
+
+  private->vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
+  g_object_ref_sink (private->vbox);
+}
+
+static void
+gimp_tool_gui_dispose (GObject *object)
+{
+  GimpToolGuiPrivate *private = GET_PRIVATE (object);
+
+  g_clear_object (&private->tool_info);
+
+  if (private->shell)
+    gimp_tool_gui_set_shell (GIMP_TOOL_GUI (object), NULL);
+
+  if (private->viewable)
+    gimp_tool_gui_set_viewable (GIMP_TOOL_GUI (object), NULL);
+
+  g_clear_object (&private->vbox);
+
+  if (private->dialog)
+    {
+      if (gtk_widget_get_visible (private->dialog))
+        gimp_tool_gui_hide (GIMP_TOOL_GUI (object));
+
+      if (private->overlay)
+        g_object_unref (private->dialog);
+      else
+        gtk_widget_destroy (private->dialog);
+
+      private->dialog = NULL;
+    }
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_tool_gui_finalize (GObject *object)
+{
+  GimpToolGuiPrivate *private = GET_PRIVATE (object);
+
+  g_clear_pointer (&private->title,       g_free);
+  g_clear_pointer (&private->description, g_free);
+  g_clear_pointer (&private->icon_name,   g_free);
+  g_clear_pointer (&private->help_id,     g_free);
+
+  if (private->response_entries)
+    {
+      g_list_free_full (private->response_entries,
+                        (GDestroyNotify) response_entry_free);
+      private->response_entries = NULL;
+    }
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+
+/**
+ * gimp_tool_gui_new:
+ * @tool_info:   a #GimpToolInfo
+ * @description: a string to use in the gui header or %NULL to use the help
+ *               field from #GimpToolInfo
+ * @...:         a %NULL-terminated valist of button parameters as described in
+ *               gtk_gui_new_with_buttons().
+ *
+ * This function creates a #GimpToolGui using the information stored
+ * in @tool_info.
+ *
+ * Return value: a new #GimpToolGui
+ **/
+GimpToolGui *
+gimp_tool_gui_new (GimpToolInfo *tool_info,
+                   const gchar  *title,
+                   const gchar  *description,
+                   const gchar  *icon_name,
+                   const gchar  *help_id,
+                   GdkScreen    *screen,
+                   gint          monitor,
+                   gboolean      overlay,
+                   ...)
+{
+  GimpToolGui        *gui;
+  GimpToolGuiPrivate *private;
+  va_list             args;
+
+  g_return_val_if_fail (GIMP_IS_TOOL_INFO (tool_info), NULL);
+
+  gui = g_object_new (GIMP_TYPE_TOOL_GUI, NULL);
+
+  private = GET_PRIVATE (gui);
+
+  if (! title)
+    title = tool_info->label;
+
+  if (! description)
+    description = tool_info->label;
+
+  if (! icon_name)
+    icon_name = gimp_viewable_get_icon_name (GIMP_VIEWABLE (tool_info));
+
+  if (! help_id)
+    help_id = tool_info->help_id;
+
+  private->tool_info   = g_object_ref (tool_info);
+  private->title       = g_strdup (title);
+  private->description = g_strdup (description);
+  private->icon_name   = g_strdup (icon_name);
+  private->help_id     = g_strdup (help_id);
+  private->overlay     = overlay;
+
+  va_start (args, overlay);
+
+  gimp_tool_gui_add_buttons_valist (gui, args);
+
+  va_end (args);
+
+  gimp_tool_gui_create_dialog (gui, screen, monitor);
+
+  return gui;
+}
+
+void
+gimp_tool_gui_set_title (GimpToolGui *gui,
+                         const gchar *title)
+{
+  GimpToolGuiPrivate *private;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  private = GET_PRIVATE (gui);
+
+  if (title == private->title)
+    return;
+
+  g_free (private->title);
+  private->title = g_strdup (title);
+
+  if (! title)
+    title = private->tool_info->label;
+
+  g_object_set (private->dialog, "title", title, NULL);
+}
+
+void
+gimp_tool_gui_set_description (GimpToolGui *gui,
+                               const gchar *description)
+{
+  GimpToolGuiPrivate *private;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  private = GET_PRIVATE (gui);
+
+  if (description == private->description)
+    return;
+
+  g_free (private->description);
+  private->description = g_strdup (description);
+
+  if (! description)
+    description = private->tool_info->tooltip;
+
+  if (private->overlay)
+    {
+      /* TODO */
+    }
+  else
+    {
+      g_object_set (private->dialog, "description", description, NULL);
+    }
+}
+
+void
+gimp_tool_gui_set_icon_name (GimpToolGui *gui,
+                             const gchar *icon_name)
+{
+  GimpToolGuiPrivate *private;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  private = GET_PRIVATE (gui);
+
+  if (icon_name == private->icon_name)
+    return;
+
+  g_free (private->icon_name);
+  private->icon_name = g_strdup (icon_name);
+
+  if (! icon_name)
+    icon_name = gimp_viewable_get_icon_name (GIMP_VIEWABLE (private->tool_info));
+
+  g_object_set (private->dialog, "icon-name", icon_name, NULL);
+}
+
+void
+gimp_tool_gui_set_help_id (GimpToolGui *gui,
+                           const gchar *help_id)
+{
+  GimpToolGuiPrivate *private;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  private = GET_PRIVATE (gui);
+
+  if (help_id == private->help_id)
+    return;
+
+  g_free (private->help_id);
+  private->help_id = g_strdup (help_id);
+
+  if (! help_id)
+    help_id = private->tool_info->help_id;
+
+  if (private->overlay)
+    {
+      /* TODO */
+    }
+  else
+    {
+      g_object_set (private->dialog, "help-id", help_id, NULL);
+    }
+}
+
+void
+gimp_tool_gui_set_shell (GimpToolGui      *gui,
+                         GimpDisplayShell *shell)
+{
+  GimpToolGuiPrivate *private;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+  g_return_if_fail (shell == NULL || GIMP_IS_DISPLAY_SHELL (shell));
+
+  private = GET_PRIVATE (gui);
+
+  if (shell == private->shell)
+    return;
+
+  if (private->shell)
+    {
+      g_object_remove_weak_pointer (G_OBJECT (private->shell),
+                                    (gpointer) &private->shell);
+      g_signal_handlers_disconnect_by_func (private->shell->canvas,
+                                            gimp_tool_gui_canvas_resized,
+                                            gui);
+    }
+
+  private->shell = shell;
+
+  if (private->shell)
+    {
+      g_signal_connect (private->shell->canvas, "size-allocate",
+                        G_CALLBACK (gimp_tool_gui_canvas_resized),
+                        gui);
+      g_object_add_weak_pointer (G_OBJECT (private->shell),
+                                 (gpointer) &private->shell);
+    }
+
+  gimp_tool_gui_update_shell (gui);
+}
+
+void
+gimp_tool_gui_set_viewable (GimpToolGui  *gui,
+                            GimpViewable *viewable)
+{
+  GimpToolGuiPrivate *private;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+  g_return_if_fail (viewable == NULL || GIMP_IS_VIEWABLE (viewable));
+
+  private = GET_PRIVATE (gui);
+
+  if (private->viewable == viewable)
+    return;
+
+  if (private->viewable)
+    g_object_remove_weak_pointer (G_OBJECT (private->viewable),
+                                  (gpointer) &private->viewable);
+
+  private->viewable = viewable;
+
+  if (private->viewable)
+    g_object_add_weak_pointer (G_OBJECT (private->viewable),
+                               (gpointer) &private->viewable);
+
+  gimp_tool_gui_update_viewable (gui);
+}
+
+GtkWidget *
+gimp_tool_gui_get_dialog (GimpToolGui *gui)
+{
+  g_return_val_if_fail (GIMP_IS_TOOL_GUI (gui), NULL);
+
+  return GET_PRIVATE (gui)->dialog;
+}
+
+GtkWidget *
+gimp_tool_gui_get_vbox (GimpToolGui *gui)
+{
+  g_return_val_if_fail (GIMP_IS_TOOL_GUI (gui), NULL);
+
+  return GET_PRIVATE (gui)->vbox;
+}
+
+gboolean
+gimp_tool_gui_get_visible (GimpToolGui *gui)
+{
+  GimpToolGuiPrivate *private;
+
+  g_return_val_if_fail (GIMP_IS_TOOL_GUI (gui), FALSE);
+
+  private = GET_PRIVATE (gui);
+
+  if (private->overlay)
+    return gtk_widget_get_parent (private->dialog) != NULL;
+  else
+    return gtk_widget_get_visible (private->dialog);
+}
+
+void
+gimp_tool_gui_show (GimpToolGui *gui)
+{
+  GimpToolGuiPrivate *private;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  private = GET_PRIVATE (gui);
+
+  g_return_if_fail (private->shell != NULL);
+
+  if (private->overlay)
+    {
+      if (! gtk_widget_get_parent (private->dialog))
+        {
+          gimp_overlay_box_add_child (GIMP_OVERLAY_BOX (private->shell->canvas),
+                                      private->dialog, 1.0, 0.0);
+          gtk_widget_show (private->dialog);
+        }
+    }
+  else
+    {
+      if (gtk_widget_get_visible (private->dialog))
+        gdk_window_show (gtk_widget_get_window (private->dialog));
+      else
+        gtk_widget_show (private->dialog);
+    }
+}
+
+void
+gimp_tool_gui_hide (GimpToolGui *gui)
+{
+  GimpToolGuiPrivate *private;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  private = GET_PRIVATE (gui);
+
+  if (private->overlay)
+    {
+      if (gtk_widget_get_parent (private->dialog))
+        {
+          gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (private->dialog)),
+                                private->dialog);
+          gtk_widget_hide (private->dialog);
+        }
+    }
+  else
+    {
+      if (gimp_dialog_factory_from_widget (private->dialog, NULL))
+        {
+          gimp_dialog_factory_hide_dialog (private->dialog);
+        }
+      else
+        {
+          gtk_widget_hide (private->dialog);
+        }
+    }
+}
+
+void
+gimp_tool_gui_set_overlay (GimpToolGui *gui,
+                           GdkScreen   *screen,
+                           gint         monitor,
+                           gboolean     overlay)
+{
+  GimpToolGuiPrivate *private;
+  gboolean            visible;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  private = GET_PRIVATE (gui);
+
+  if (private->overlay == overlay)
+    return;
+
+  if (! private->dialog)
+    {
+      private->overlay = overlay;
+      return;
+    }
+
+  visible = gtk_widget_get_visible (private->dialog);
+
+  if (visible)
+    gimp_tool_gui_hide (gui);
+
+  gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (private->vbox)),
+                        private->vbox);
+
+  if (private->overlay)
+    g_object_unref (private->dialog);
+  else
+    gtk_widget_destroy (private->dialog);
+
+  private->overlay = overlay;
+
+  gimp_tool_gui_create_dialog (gui, screen, monitor);
+
+  if (visible)
+    gimp_tool_gui_show (gui);
+}
+
+gboolean
+gimp_tool_gui_get_overlay (GimpToolGui *gui)
+{
+  g_return_val_if_fail (GIMP_IS_TOOL_GUI (gui), FALSE);
+
+  return GET_PRIVATE (gui)->overlay;
+}
+
+void
+gimp_tool_gui_set_auto_overlay (GimpToolGui *gui,
+                                gboolean     auto_overlay)
+{
+  GimpToolGuiPrivate *private;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  private = GET_PRIVATE (gui);
+
+  if (private->auto_overlay != auto_overlay)
+    {
+      private->auto_overlay = auto_overlay;
+
+      if (private->shell)
+        gimp_tool_gui_canvas_resized (private->shell->canvas, NULL, gui);
+    }
+}
+
+gboolean
+gimp_tool_gui_get_auto_overlay (GimpToolGui *gui)
+{
+  g_return_val_if_fail (GIMP_IS_TOOL_GUI (gui), FALSE);
+
+  return GET_PRIVATE (gui)->auto_overlay;
+}
+
+void
+gimp_tool_gui_set_focus_on_map (GimpToolGui *gui,
+                                gboolean     focus_on_map)
+{
+  GimpToolGuiPrivate *private;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  private = GET_PRIVATE (gui);
+
+  if (private->focus_on_map == focus_on_map)
+    return;
+
+  private->focus_on_map = focus_on_map ? TRUE : FALSE;
+
+  if (! private->overlay)
+    {
+      gtk_window_set_focus_on_map (GTK_WINDOW (private->dialog),
+                                   private->focus_on_map);
+    }
+}
+
+gboolean
+gimp_tool_gui_get_focus_on_map (GimpToolGui *gui)
+{
+  g_return_val_if_fail (GIMP_IS_TOOL_GUI (gui), FALSE);
+
+  return GET_PRIVATE (gui)->focus_on_map;
+}
+
+void
+gimp_tool_gui_add_buttons_valist (GimpToolGui *gui,
+                                  va_list      args)
+{
+  const gchar *button_text;
+  gint         response_id;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  while ((button_text = va_arg (args, const gchar *)))
+    {
+      response_id = va_arg (args, gint);
+
+      gimp_tool_gui_add_button (gui, button_text, response_id);
+    }
+}
+
+void
+gimp_tool_gui_add_button (GimpToolGui *gui,
+                          const gchar *button_text,
+                          gint         response_id)
+{
+  GimpToolGuiPrivate *private;
+  ResponseEntry     *entry;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+  g_return_if_fail (button_text != NULL);
+
+  private = GET_PRIVATE (gui);
+
+  entry = response_entry_new (response_id, button_text);
+
+  private->response_entries = g_list_append (private->response_entries,
+                                             entry);
+
+  if (private->dialog)
+    gimp_tool_gui_add_dialog_button (gui, entry);
+}
+
+void
+gimp_tool_gui_set_default_response (GimpToolGui *gui,
+                                    gint         response_id)
+{
+  GimpToolGuiPrivate *private;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  private = GET_PRIVATE (gui);
+
+  g_return_if_fail (response_entry_find (private->response_entries,
+                                         response_id) != NULL);
+
+  private->default_response = response_id;
+
+  if (private->overlay)
+    {
+      gimp_overlay_dialog_set_default_response (GIMP_OVERLAY_DIALOG (private->dialog),
+                                                response_id);
+    }
+  else
+    {
+      gtk_dialog_set_default_response (GTK_DIALOG (private->dialog),
+                                       response_id);
+    }
+}
+
+void
+gimp_tool_gui_set_response_sensitive (GimpToolGui *gui,
+                                      gint         response_id,
+                                      gboolean     sensitive)
+{
+  GimpToolGuiPrivate *private;
+  ResponseEntry      *entry;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  private = GET_PRIVATE (gui);
+
+  entry = response_entry_find (private->response_entries, response_id);
+
+  if (! entry)
+    return;
+
+  entry->sensitive = sensitive;
+
+  if (private->overlay)
+    {
+      gimp_overlay_dialog_set_response_sensitive (GIMP_OVERLAY_DIALOG (private->dialog),
+                                                  response_id, sensitive);
+    }
+  else
+    {
+      gtk_dialog_set_response_sensitive (GTK_DIALOG (private->dialog),
+                                         response_id, sensitive);
+    }
+}
+
+void
+gimp_tool_gui_set_alternative_button_order (GimpToolGui *gui,
+                                            ...)
+{
+  GimpToolGuiPrivate *private;
+  va_list             args;
+  gint                response_id;
+  gint                i;
+
+  g_return_if_fail (GIMP_IS_TOOL_GUI (gui));
+
+  private = GET_PRIVATE (gui);
+
+  va_start (args, gui);
+
+  for (response_id = va_arg (args, gint), i = 0;
+       response_id != -1;
+       response_id = va_arg (args, gint), i++)
+    {
+      ResponseEntry *entry = response_entry_find (private->response_entries,
+                                                  response_id);
+
+      if (entry)
+        entry->alternative_position = i;
+    }
+
+  va_end (args);
+
+  gimp_tool_gui_update_buttons (gui);
+}
+
+
+/*  private functions  */
+
+static void
+gimp_tool_gui_create_dialog (GimpToolGui *gui,
+                             GdkScreen   *screen,
+                             gint         monitor)
+{
+  GimpToolGuiPrivate *private = GET_PRIVATE (gui);
+  GList              *list;
+
+  if (private->overlay)
+    {
+      private->dialog = gimp_overlay_dialog_new (private->tool_info,
+                                                 private->description,
+                                                 NULL);
+      g_object_ref_sink (private->dialog);
+
+      for (list = private->response_entries; list; list = g_list_next (list))
+        {
+          ResponseEntry *entry = list->data;
+
+          gimp_tool_gui_add_dialog_button (gui, entry);
+        }
+
+      if (private->default_response != -1)
+        gimp_overlay_dialog_set_default_response (GIMP_OVERLAY_DIALOG (private->dialog),
+                                                  private->default_response);
+
+      gtk_container_set_border_width (GTK_CONTAINER (private->dialog), 6);
+
+      gtk_container_set_border_width (GTK_CONTAINER (private->vbox), 0);
+      gtk_container_add (GTK_CONTAINER (private->dialog), private->vbox);
+      gtk_widget_show (private->vbox);
+    }
+  else
+    {
+      private->dialog = gimp_tool_dialog_new (private->tool_info,
+                                              screen, monitor,
+                                              private->title,
+                                              private->description,
+                                              private->icon_name,
+                                              private->help_id,
+                                              NULL);
+
+      for (list = private->response_entries; list; list = g_list_next (list))
+        {
+          ResponseEntry *entry = list->data;
+
+          gimp_tool_gui_add_dialog_button (gui, entry);
+        }
+
+      if (private->default_response != -1)
+        gtk_dialog_set_default_response (GTK_DIALOG (private->dialog),
+                                         private->default_response);
+
+      gtk_window_set_focus_on_map (GTK_WINDOW (private->dialog),
+                                   private->focus_on_map);
+
+      gtk_container_set_border_width (GTK_CONTAINER (private->vbox), 6);
+      gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (private->dialog))),
+                          private->vbox, TRUE, TRUE, 0);
+      gtk_widget_show (private->vbox);
+    }
+
+  gimp_tool_gui_update_buttons (gui);
+
+  if (private->shell)
+    gimp_tool_gui_update_shell (gui);
+
+  if (private->viewable)
+    gimp_tool_gui_update_viewable (gui);
+
+  g_signal_connect_object (private->dialog, "response",
+                           G_CALLBACK (gimp_tool_gui_dialog_response),
+                           G_OBJECT (gui), 0);
+}
+
+static void
+gimp_tool_gui_add_dialog_button (GimpToolGui   *gui,
+                                 ResponseEntry *entry)
+{
+  GimpToolGuiPrivate *private = GET_PRIVATE (gui);
+
+  if (private->overlay)
+    {
+      gimp_overlay_dialog_add_button (GIMP_OVERLAY_DIALOG (private->dialog),
+                                      entry->button_text,
+                                      entry->response_id);
+
+      if (! entry->sensitive)
+        {
+          gimp_overlay_dialog_set_response_sensitive (
+            GIMP_OVERLAY_DIALOG (private->dialog),
+            entry->response_id, FALSE);
+        }
+    }
+  else
+    {
+      gimp_dialog_add_button (GIMP_DIALOG (private->dialog),
+                              entry->button_text,
+                              entry->response_id);
+
+      if (! entry->sensitive)
+        gtk_dialog_set_response_sensitive (GTK_DIALOG (private->dialog),
+                                           entry->response_id,
+                                           FALSE);
+    }
+}
+
+static void
+gimp_tool_gui_update_buttons (GimpToolGui *gui)
+{
+  GimpToolGuiPrivate *private = GET_PRIVATE (gui);
+  GList              *list;
+  gint               *ids;
+  gint                n_ids;
+  gint                n_alternatives = 0;
+  gint                i;
+
+  n_ids = g_list_length (private->response_entries);
+  ids   = g_new0 (gint, n_ids);
+
+  for (list = private->response_entries, i = 0;
+       list;
+       list = g_list_next (list), i++)
+    {
+      ResponseEntry *entry = list->data;
+
+      if (entry->alternative_position >= 0 &&
+          entry->alternative_position < n_ids)
+        {
+          ids[entry->alternative_position] = entry->response_id;
+          n_alternatives++;
+        }
+    }
+
+  if (n_ids == n_alternatives)
+    {
+      if (private->overlay)
+        {
+          gimp_overlay_dialog_set_alternative_button_order (GIMP_OVERLAY_DIALOG (private->dialog),
+                                                            n_ids, ids);
+        }
+      else
+        {
+          gtk_dialog_set_alternative_button_order_from_array (GTK_DIALOG (private->dialog),
+                                                              n_ids, ids);
+        }
+    }
+
+  g_free (ids);
+}
+
+static void
+gimp_tool_gui_update_shell (GimpToolGui *gui)
+{
+  GimpToolGuiPrivate *private = GET_PRIVATE (gui);
+
+  if (private->overlay)
+    {
+      if (gtk_widget_get_parent (private->dialog))
+        {
+          gimp_tool_gui_hide (gui);
+
+          if (private->shell)
+            gimp_tool_gui_show (gui);
+        }
+    }
+  else
+    {
+      gimp_tool_dialog_set_shell (GIMP_TOOL_DIALOG (private->dialog),
+                                  private->shell);
+    }
+}
+
+static void
+gimp_tool_gui_update_viewable (GimpToolGui *gui)
+{
+  GimpToolGuiPrivate *private = GET_PRIVATE (gui);
+
+  if (! private->overlay)
+    {
+      GimpContext *context = NULL;
+
+      if (private->tool_info)
+        context = GIMP_CONTEXT (private->tool_info->tool_options);
+
+      gimp_viewable_dialog_set_viewable (GIMP_VIEWABLE_DIALOG (private->dialog),
+                                         private->viewable, context);
+    }
+}
+
+static void
+gimp_tool_gui_dialog_response (GtkWidget   *dialog,
+                               gint         response_id,
+                               GimpToolGui *gui)
+{
+  if (response_id == GIMP_RESPONSE_DETACH)
+    {
+      gimp_tool_gui_set_auto_overlay (gui, FALSE);
+      gimp_tool_gui_set_overlay (gui,
+                                 gtk_widget_get_screen (dialog),
+                                 gimp_widget_get_monitor (dialog),
+                                 FALSE);
+    }
+  else
+    {
+      g_signal_emit (gui, signals[RESPONSE], 0,
+                     response_id);
+    }
+}
+
+static void
+gimp_tool_gui_canvas_resized (GtkWidget     *canvas,
+                              GtkAllocation *unused,
+                              GimpToolGui   *gui)
+{
+  GimpToolGuiPrivate *private = GET_PRIVATE (gui);
+
+  if (private->auto_overlay)
+    {
+      GtkRequisition requisition;
+      GtkAllocation  allocation;
+      gboolean       overlay = FALSE;
+
+      gtk_widget_size_request (private->vbox, &requisition);
+      gtk_widget_get_allocation (canvas, &allocation);
+
+      if (allocation.width  > 2 * requisition.width &&
+          allocation.height > 3 * requisition.height)
+        {
+          overlay = TRUE;
+        }
+
+      gimp_tool_gui_set_overlay (gui,
+                                 gtk_widget_get_screen (private->dialog),
+                                 gimp_widget_get_monitor (private->dialog),
+                                 overlay);
+    }
+}
+
+static ResponseEntry *
+response_entry_new (gint         response_id,
+                    const gchar *button_text)
+{
+  ResponseEntry *entry = g_slice_new0 (ResponseEntry);
+
+  entry->response_id          = response_id;
+  entry->button_text          = g_strdup (button_text);
+  entry->alternative_position = -1;
+  entry->sensitive            = TRUE;
+
+  return entry;
+}
+
+static void
+response_entry_free (ResponseEntry *entry)
+{
+  g_free (entry->button_text);
+
+  g_slice_free (ResponseEntry, entry);
+}
+
+static ResponseEntry *
+response_entry_find (GList *entries,
+                     gint   response_id)
+{
+  for (; entries; entries = g_list_next (entries))
+    {
+      ResponseEntry *entry = entries->data;
+
+      if (entry->response_id == response_id)
+        return entry;
+    }
+
+  return NULL;
+}