[gtk+] Add a lock button widget



commit 1d647df176b6bf32e84d839cdb60a0f19d0ce2f3
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Apr 29 23:40:47 2011 -0400

    Add a lock button widget
    
    This is a special-purpose button that can be used together with
    GPermission objects to control the sensitivity of system settings.
    
    Suitable permission objects can e.g. be obtained from PolicyKit.
    
    http://bugzilla.gnome.org/show_bug.cgi?id=626457

 docs/reference/gtk/Makefile.am                    |    3 +
 docs/reference/gtk/gtk-docs.sgml                  |    1 +
 docs/reference/gtk/gtk3-sections.txt              |   22 +
 docs/reference/gtk/gtk3.types                     |    1 +
 docs/reference/gtk/images/lockbutton-locked.png   |  Bin 0 -> 1687 bytes
 docs/reference/gtk/images/lockbutton-sorry.png    |  Bin 0 -> 1347 bytes
 docs/reference/gtk/images/lockbutton-unlocked.png |  Bin 0 -> 1381 bytes
 docs/reference/gtk/images/lockbutton.png          |  Bin 0 -> 2355 bytes
 docs/reference/gtk/visual_index.xml               |    3 +
 docs/tools/widgets.c                              |   49 ++
 gtk/Makefile.am                                   |    2 +
 gtk/gtk.h                                         |    1 +
 gtk/gtk.symbols                                   |    4 +
 gtk/gtklockbutton.c                               |  703 +++++++++++++++++++++
 gtk/gtklockbutton.h                               |   70 ++
 po-properties/POTFILES.in                         |    1 +
 po/POTFILES.in                                    |    1 +
 tests/Makefile.am                                 |    3 +
 tests/testlockbutton.c                            |  277 ++++++++
 19 files changed, 1141 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtk/Makefile.am b/docs/reference/gtk/Makefile.am
index c6b3b85..2e865ef 100644
--- a/docs/reference/gtk/Makefile.am
+++ b/docs/reference/gtk/Makefile.am
@@ -296,6 +296,9 @@ HTML_IMAGES = \
 	$(srcdir)/images/label.png					\
 	$(srcdir)/images/link-button.png				\
 	$(srcdir)/images/list-and-tree.png				\
+	$(srcdir)/images/lockbutton-locked.png				\
+	$(srcdir)/images/lockbutton-unlocked.png			\
+	$(srcdir)/images/lockbutton-sorry.png				\
 	$(srcdir)/images/menubar.png					\
 	$(srcdir)/images/messagedialog.png				\
 	$(srcdir)/images/multiline-text.png				\
diff --git a/docs/reference/gtk/gtk-docs.sgml b/docs/reference/gtk/gtk-docs.sgml
index 967d50e..a2bd082 100644
--- a/docs/reference/gtk/gtk-docs.sgml
+++ b/docs/reference/gtk/gtk-docs.sgml
@@ -115,6 +115,7 @@
       <xi:include href="xml/gtkscalebutton.xml" />
       <xi:include href="xml/gtkvolumebutton.xml" />
       <xi:include href="xml/gtkswitch.xml" />
+      <xi:include href="xml/gtklockbutton.xml" />
     </chapter>
 
     <chapter id="NumericEntry">
diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt
index 6f3cf4c..d995d71 100644
--- a/docs/reference/gtk/gtk3-sections.txt
+++ b/docs/reference/gtk/gtk3-sections.txt
@@ -7048,3 +7048,25 @@ GTK_APP_CHOOSER_WIDGET_GET_CLASS
 GtkAppChooserWidgetPrivate
 gtk_app_chooser_widget_get_type
 </SECTION>
+
+<SECTION>
+<FILE>gtklockbutton</FILE>
+<TITLE>GtkLockButton</TITLE>
+GtkLockButton
+
+gtk_lock_button_new
+gtk_lock_button_get_permission
+gtk_lock_button_set_permission
+
+<SUBSECTION Standard>
+GtkLockButtonClass
+GTK_TYPE_LOCK_BUTTON
+GTK_LOCK_BUTTON
+GTK_IS_LOCK_BUTTON
+GTK_LOCK_BUTTON_CLASS
+GTK_IS_LOCK_BUTTON_CLASS
+GTK_LOCK_BUTTON_GET_CLASS
+<SUBSECTION Private>
+gtk_lock_button_get_type
+GtkLockButtonPrivate
+</SECTION>
diff --git a/docs/reference/gtk/gtk3.types b/docs/reference/gtk/gtk3.types
index bf2ca64..2b9cd79 100644
--- a/docs/reference/gtk/gtk3.types
+++ b/docs/reference/gtk/gtk3.types
@@ -92,6 +92,7 @@ gtk_label_get_type
 gtk_layout_get_type
 gtk_link_button_get_type
 gtk_list_store_get_type
+gtk_lock_button_get_type
 gtk_menu_bar_get_type
 gtk_menu_get_type
 gtk_menu_item_get_type
diff --git a/docs/reference/gtk/images/lockbutton-locked.png b/docs/reference/gtk/images/lockbutton-locked.png
new file mode 100644
index 0000000..ae4386a
Binary files /dev/null and b/docs/reference/gtk/images/lockbutton-locked.png differ
diff --git a/docs/reference/gtk/images/lockbutton-sorry.png b/docs/reference/gtk/images/lockbutton-sorry.png
new file mode 100644
index 0000000..8c49253
Binary files /dev/null and b/docs/reference/gtk/images/lockbutton-sorry.png differ
diff --git a/docs/reference/gtk/images/lockbutton-unlocked.png b/docs/reference/gtk/images/lockbutton-unlocked.png
new file mode 100644
index 0000000..3ea5afc
Binary files /dev/null and b/docs/reference/gtk/images/lockbutton-unlocked.png differ
diff --git a/docs/reference/gtk/images/lockbutton.png b/docs/reference/gtk/images/lockbutton.png
new file mode 100644
index 0000000..7744126
Binary files /dev/null and b/docs/reference/gtk/images/lockbutton.png differ
diff --git a/docs/reference/gtk/visual_index.xml b/docs/reference/gtk/visual_index.xml
index b1e1fe1..37cc0ec 100644
--- a/docs/reference/gtk/visual_index.xml
+++ b/docs/reference/gtk/visual_index.xml
@@ -51,6 +51,9 @@
   <link linkend="GtkLinkButton">
     <inlinegraphic fileref="link-button.png" format="PNG"></inlinegraphic>
   </link>
+  <link linkend="GtkLockButton">
+    <inlinegraphic fileref="lockbutton.png" format="PNG"></inlinegraphic>
+  </link>
   <link linkend="GtkMenuBar">
     <inlinegraphic fileref="menubar.png" format="PNG"></inlinegraphic>
   </link>
diff --git a/docs/tools/widgets.c b/docs/tools/widgets.c
index 7709e3c..6731ef0 100644
--- a/docs/tools/widgets.c
+++ b/docs/tools/widgets.c
@@ -221,6 +221,54 @@ create_link_button (void)
   return new_widget_info ("link-button", align, SMALL);
 }
 
+#define G_TYPE_TEST_PERMISSION      (g_test_permission_get_type ())
+#define G_TEST_PERMISSION(inst)     (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
+                                     G_TYPE_TEST_PERMISSION,             \
+                                     GTestPermission))
+#define G_IS_TEST_PERMISSION(inst)  (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
+                                     G_TYPE_TEST_PERMISSION))
+
+typedef struct _GTestPermission GTestPermission;
+typedef struct _GTestPermissionClass GTestPermissionClass;
+
+struct _GTestPermission
+{
+  GPermission parent;
+
+  gboolean success;
+};
+
+struct _GTestPermissionClass
+{
+  GPermissionClass parent_class;
+};
+
+G_DEFINE_TYPE (GTestPermission, g_test_permission, G_TYPE_PERMISSION)
+
+static void
+g_test_permission_init (GTestPermission *test)
+{
+  g_permission_impl_update (G_PERMISSION (test), FALSE, TRUE, TRUE);
+}
+
+static void
+g_test_permission_class_init (GTestPermissionClass *class)
+{
+}
+
+static WidgetInfo *
+create_lockbutton (void)
+{
+  GtkWidget *widget;
+  GtkWidget *align;
+
+  widget = gtk_lock_button_new (g_object_new (G_TYPE_TEST_PERMISSION, NULL));
+  align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
+  gtk_container_add (GTK_CONTAINER (align), widget);
+
+  return new_widget_info ("lock-button", align, SMALL);
+}
+
 static WidgetInfo *
 create_entry (void)
 {
@@ -1152,6 +1200,7 @@ get_all_widgets (void)
   retval = g_list_prepend (retval, create_switch ());
   retval = g_list_prepend (retval, create_appchooserbutton ());
   retval = g_list_prepend (retval, create_appchooserdialog ());
+  retval = g_list_prepend (retval, create_lockbutton ());
 
   return retval;
 }
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 96817e8..b558763 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -241,6 +241,7 @@ gtk_public_h_sources = 		\
 	gtklayout.h		\
 	gtklinkbutton.h		\
 	gtkliststore.h		\
+	gtklockbutton.h		\
 	gtkmain.h		\
 	gtkmenu.h		\
 	gtkmenubar.h		\
@@ -562,6 +563,7 @@ gtk_base_c_sources = 		\
 	gtklayout.c		\
 	gtklinkbutton.c		\
 	gtkliststore.c		\
+	gtklockbutton.c		\
 	gtkmain.c		\
 	gtkmarshalers.c		\
 	gtkmenu.c		\
diff --git a/gtk/gtk.h b/gtk/gtk.h
index 0a72d24..6d6b416 100644
--- a/gtk/gtk.h
+++ b/gtk/gtk.h
@@ -126,6 +126,7 @@
 #include <gtk/gtklayout.h>
 #include <gtk/gtklinkbutton.h>
 #include <gtk/gtkliststore.h>
+#include <gtk/gtklockbutton.h>
 #include <gtk/gtkmain.h>
 #include <gtk/gtkmenu.h>
 #include <gtk/gtkmenubar.h>
diff --git a/gtk/gtk.symbols b/gtk/gtk.symbols
index 71c8080..71bf188 100644
--- a/gtk/gtk.symbols
+++ b/gtk/gtk.symbols
@@ -1445,6 +1445,10 @@ gtk_list_store_set_valist
 gtk_list_store_set_value
 gtk_list_store_set_valuesv
 gtk_list_store_swap
+gtk_lock_button_get_type G_GNUC_CONST
+gtk_lock_button_new
+gtk_lock_button_get_permission
+gtk_lock_button_set_permission
 gtk_main
 gtk_main_do_event
 gtk_main_iteration
diff --git a/gtk/gtklockbutton.c b/gtk/gtklockbutton.c
new file mode 100644
index 0000000..913cfc2
--- /dev/null
+++ b/gtk/gtklockbutton.c
@@ -0,0 +1,703 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2010 Red Hat, Inc.
+ * Author: Matthias Clasen
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include "gtklockbutton.h"
+
+#include "gtkbutton.h"
+#include "gtkbox.h"
+#include "gtkeventbox.h"
+#include "gtklabel.h"
+#include "gtknotebook.h"
+#include "gtkintl.h"
+
+/**
+ * SECTION:gtklockbutton
+ * @title: GtkLockButton
+ * @short_description: A widget to unlock or lock privileged operations
+ *
+ * GtkLockButton is a widget that can be used in control panels or
+ * preference dialogs to allow users to obtain and revoke authorizations
+ * needed to operate the controls. The required authorization is represented
+ * by a #GPermission object. Concrete implementations of #GPermission may use
+ * PolicyKit or some other authorization framework.
+ *
+ * If the user lacks the authorization but authorization can be obtained
+ * through authentication, the widget looks like this
+ * <informalexample><inlinegraphic fileref="lockbutton-locked.png"></inlinegraphic></informalexample>
+ * and the user can click the button to obtain the authorization. Depending
+ * on the platform, this may pop up an authentication dialog or ask the user
+ * to authenticate in some other way. Once authorization is obtained, the
+ * widget changes to this
+ * <informalexample><inlinegraphic fileref="lockbutton-unlocked.png"></inlinegraphic></informalexample>
+ * and the authorization can be dropped by clicking the button. If the user
+ * is not able to obtain authorization at all, the widget looks like this
+ * <informalexample><inlinegraphic fileref="lockbutton-sorry.png"></inlinegraphic></informalexample>
+ * If the user is authorized and cannot drop the authorization, the button
+ * is hidden.
+ *
+ * The text (and tooltips) that are shown in the various cases can be adjusted
+ * with the #GtkLockButton:text-lock, #GtkLockButton:text-unlock,
+ * #GtkLockButton:text-not-authorized, #GtkLockButton:tooltip-lock,
+ * #GtkLockButton:tooltip-unlock and #GtkLockButton:tooltip-not-authorized
+ * properties.
+ */
+
+struct _GtkLockButtonPrivate
+{
+  GPermission *permission;
+
+  gchar *tooltip_lock;
+  gchar *tooltip_unlock;
+  gchar *tooltip_not_authorized;
+
+  GtkWidget *box;
+  GtkWidget *eventbox;
+  GtkWidget *image;
+  GtkWidget *button;
+  GtkWidget *notebook;
+
+  GtkWidget *label_lock;
+  GtkWidget *label_unlock;
+  GtkWidget *label_not_authorized;
+
+  GCancellable *cancellable;
+};
+
+enum
+{
+  PROP_0,
+  PROP_PERMISSION,
+  PROP_TEXT_LOCK,
+  PROP_TEXT_UNLOCK,
+  PROP_TEXT_NOT_AUTHORIZED,
+  PROP_TOOLTIP_LOCK,
+  PROP_TOOLTIP_UNLOCK,
+  PROP_TOOLTIP_NOT_AUTHORIZED
+};
+
+static void update_state   (GtkLockButton *button);
+static void update_tooltip (GtkLockButton *button);
+
+static void on_permission_changed (GPermission *permission,
+                                   GParamSpec  *pspec,
+                                   gpointer     user_data);
+
+static void on_clicked (GtkButton *button,
+                        gpointer   user_data);
+
+static void on_button_press (GtkWidget      *widget,
+                             GdkEventButton *event,
+                             gpointer        user_data);
+
+G_DEFINE_TYPE (GtkLockButton, gtk_lock_button, GTK_TYPE_BIN);
+
+static void
+gtk_lock_button_finalize (GObject *object)
+{
+  GtkLockButton *button = GTK_LOCK_BUTTON (object);
+  GtkLockButtonPrivate *priv = button->priv;
+
+  g_free (priv->tooltip_lock);
+  g_free (priv->tooltip_unlock);
+  g_free (priv->tooltip_not_authorized);
+
+  if (priv->cancellable != NULL)
+    {
+      g_cancellable_cancel (priv->cancellable);
+      g_object_unref (priv->cancellable);
+    }
+
+  if (priv->permission)
+    {
+      g_signal_handlers_disconnect_by_func (priv->permission,
+                                            on_permission_changed,
+                                            button);
+      g_object_unref (priv->permission);
+    }
+
+  G_OBJECT_CLASS (gtk_lock_button_parent_class)->finalize (object);
+}
+
+static void
+gtk_lock_button_get_property (GObject    *object,
+                              guint       property_id,
+                              GValue     *value,
+                              GParamSpec *pspec)
+{
+  GtkLockButton *button = GTK_LOCK_BUTTON (object);
+  GtkLockButtonPrivate *priv = button->priv;
+
+  switch (property_id)
+    {
+    case PROP_PERMISSION:
+      g_value_set_object (value, priv->permission);
+      break;
+
+    case PROP_TEXT_LOCK:
+      g_value_set_string (value,
+                          gtk_label_get_text (GTK_LABEL (priv->label_lock)));
+      break;
+
+    case PROP_TEXT_UNLOCK:
+      g_value_set_string (value,
+                          gtk_label_get_text (GTK_LABEL (priv->label_unlock)));
+      break;
+
+    case PROP_TEXT_NOT_AUTHORIZED:
+      g_value_set_string (value,
+                          gtk_label_get_text (GTK_LABEL (priv->label_not_authorized)));
+      break;
+
+    case PROP_TOOLTIP_LOCK:
+      g_value_set_string (value, priv->tooltip_lock);
+      break;
+
+    case PROP_TOOLTIP_UNLOCK:
+      g_value_set_string (value, priv->tooltip_unlock);
+      break;
+
+    case PROP_TOOLTIP_NOT_AUTHORIZED:
+      g_value_set_string (value, priv->tooltip_not_authorized);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gtk_lock_button_set_property (GObject      *object,
+                              guint         property_id,
+                              const GValue *value,
+                              GParamSpec   *pspec)
+{
+  GtkLockButton *button = GTK_LOCK_BUTTON (object);
+  GtkLockButtonPrivate *priv = button->priv;
+
+  switch (property_id)
+    {
+    case PROP_PERMISSION:
+      gtk_lock_button_set_permission (button, g_value_get_object (value));
+      break;
+
+    case PROP_TEXT_LOCK:
+      gtk_label_set_text (GTK_LABEL (priv->label_lock), g_value_get_string (value));
+      break;
+
+    case PROP_TEXT_UNLOCK:
+      gtk_label_set_text (GTK_LABEL (priv->label_unlock), g_value_get_string (value));
+      break;
+
+    case PROP_TEXT_NOT_AUTHORIZED:
+      gtk_label_set_text (GTK_LABEL (priv->label_not_authorized), g_value_get_string (value));
+      break;
+
+    case PROP_TOOLTIP_LOCK:
+      g_free (priv->tooltip_lock);
+      priv->tooltip_lock = g_value_dup_string (value);
+      update_tooltip (button);
+      break;
+
+    case PROP_TOOLTIP_UNLOCK:
+      g_free (priv->tooltip_unlock);
+      priv->tooltip_unlock = g_value_dup_string (value);
+      update_tooltip (button);
+      break;
+
+    case PROP_TOOLTIP_NOT_AUTHORIZED:
+      g_free (priv->tooltip_not_authorized);
+      priv->tooltip_not_authorized = g_value_dup_string (value);
+      update_tooltip (button);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gtk_lock_button_init (GtkLockButton *button)
+{
+  GtkLockButtonPrivate *priv;
+
+  button->priv = priv = G_TYPE_INSTANCE_GET_PRIVATE (button,
+                                                     GTK_TYPE_LOCK_BUTTON,
+                                                     GtkLockButtonPrivate);
+
+  priv->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+  gtk_container_add (GTK_CONTAINER (button), priv->box);
+
+  priv->eventbox = gtk_event_box_new ();
+  gtk_event_box_set_visible_window (GTK_EVENT_BOX (priv->eventbox), FALSE);
+  gtk_container_add (GTK_CONTAINER (priv->box), priv->eventbox);
+  gtk_widget_show (priv->eventbox);
+  priv->image = gtk_image_new ();
+  gtk_container_add (GTK_CONTAINER (priv->eventbox), priv->image);
+  gtk_widget_show (priv->image);
+
+  priv->notebook = gtk_notebook_new ();
+  gtk_notebook_set_show_tabs (GTK_NOTEBOOK (priv->notebook), FALSE);
+  gtk_notebook_set_show_border (GTK_NOTEBOOK (priv->notebook), FALSE);
+  gtk_widget_show (priv->notebook);
+
+  priv->button = gtk_button_new ();
+  gtk_container_add (GTK_CONTAINER (priv->button), priv->notebook);
+  gtk_widget_show (priv->button);
+
+  priv->label_lock = gtk_label_new ("");
+  gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), priv->label_lock, NULL);
+  gtk_widget_show (priv->label_lock);
+
+  priv->label_unlock = gtk_label_new ("");
+  gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), priv->label_unlock, NULL);
+  gtk_widget_show (priv->label_unlock);
+
+  priv->label_not_authorized = gtk_label_new ("");
+  gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), priv->label_not_authorized, NULL);
+  gtk_widget_show (priv->label_not_authorized);
+
+  gtk_box_pack_start (GTK_BOX (priv->box), priv->button, FALSE, FALSE, 0);
+  gtk_widget_show (priv->button);
+
+  g_signal_connect (priv->eventbox, "button-press-event",
+                    G_CALLBACK (on_button_press), button);
+  g_signal_connect (priv->button, "clicked",
+                    G_CALLBACK (on_clicked), button);
+
+  gtk_widget_set_no_show_all (priv->box, TRUE);
+
+  update_state (button);
+}
+
+static void
+gtk_lock_button_get_preferred_width (GtkWidget *widget,
+                                     gint      *minimum,
+                                     gint      *natural)
+{
+  GtkLockButtonPrivate *priv = GTK_LOCK_BUTTON (widget)->priv;
+
+  gtk_widget_get_preferred_width (priv->box, minimum, natural);
+}
+
+static void
+gtk_lock_button_get_preferred_height (GtkWidget *widget,
+                                      gint      *minimum,
+                                      gint      *natural)
+{
+  GtkLockButtonPrivate *priv = GTK_LOCK_BUTTON (widget)->priv;
+
+  gtk_widget_get_preferred_height (priv->box, minimum, natural);
+}
+
+static void
+gtk_lock_button_size_allocate (GtkWidget     *widget,
+                               GtkAllocation *allocation)
+{
+  GtkLockButtonPrivate *priv = GTK_LOCK_BUTTON (widget)->priv;
+  GtkRequisition requisition;
+  GtkAllocation child_allocation;
+
+  gtk_widget_set_allocation (widget, allocation);
+  gtk_widget_get_preferred_size (priv->box, &requisition, NULL);
+  child_allocation.x = allocation->x;
+  child_allocation.y = allocation->y;
+  child_allocation.width = requisition.width;
+  child_allocation.height = requisition.height;
+  gtk_widget_size_allocate (priv->box, &child_allocation);
+}
+
+static void
+gtk_lock_button_class_init (GtkLockButtonClass *klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+  gobject_class->finalize     = gtk_lock_button_finalize;
+  gobject_class->get_property = gtk_lock_button_get_property;
+  gobject_class->set_property = gtk_lock_button_set_property;
+
+  widget_class->get_preferred_width  = gtk_lock_button_get_preferred_width;
+  widget_class->get_preferred_height = gtk_lock_button_get_preferred_height;
+  widget_class->size_allocate        = gtk_lock_button_size_allocate;
+
+  g_type_class_add_private (klass, sizeof (GtkLockButtonPrivate));
+
+  g_object_class_install_property (gobject_class, PROP_PERMISSION,
+    g_param_spec_object ("permission",
+                         P_("Permission"),
+                         P_("The GPermission object controlling this button"),
+                         G_TYPE_PERMISSION,
+                         G_PARAM_READWRITE |
+                         G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_property (gobject_class, PROP_TEXT_LOCK,
+    g_param_spec_string ("text-lock",
+                         P_("Lock Text"),
+                         P_("The text to display when prompting the user to lock"),
+                         _("Lock"),
+                         G_PARAM_READWRITE |
+                         G_PARAM_CONSTRUCT |
+                         G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_property (gobject_class, PROP_TEXT_UNLOCK,
+    g_param_spec_string ("text-unlock",
+                         P_("Unlock Text"),
+                         P_("The text to display when prompting the user to unlock"),
+                         _("Unlock"),
+                         G_PARAM_READWRITE |
+                         G_PARAM_CONSTRUCT |
+                         G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_property (gobject_class, PROP_TEXT_NOT_AUTHORIZED,
+    g_param_spec_string ("text-not-authorized",
+                         P_("Not Authorized Text"),
+                         P_("The text to display when prompting the user cannot obtain authorization"),
+                         _("Locked"),
+                         G_PARAM_READWRITE |
+                         G_PARAM_CONSTRUCT |
+                         G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_property (gobject_class, PROP_TOOLTIP_LOCK,
+    g_param_spec_string ("tooltip-lock",
+                         P_("Lock Tooltip"),
+                         P_("The tooltip to display when prompting the user to lock"),
+                         _("Dialog is unlocked.\nClick to prevent further changes"),
+                         G_PARAM_READWRITE |
+                         G_PARAM_CONSTRUCT |
+                         G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_property (gobject_class, PROP_TOOLTIP_UNLOCK,
+    g_param_spec_string ("tooltip-unlock",
+                         P_("Unlock Tooltip"),
+                         P_("The tooltip to display when prompting the user to unlock"),
+                         _("Dialog is locked.\nClick to make changes"),
+                         G_PARAM_READWRITE |
+                         G_PARAM_CONSTRUCT |
+                         G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_property (gobject_class, PROP_TOOLTIP_NOT_AUTHORIZED,
+    g_param_spec_string ("tooltip-not-authorized",
+                         P_("Not Authorized Tooltip"),
+                         P_("The tooltip to display when prompting the user cannot obtain authorization"),
+                         _("System policy prevents changes.\nContact your system administrator"),
+                         G_PARAM_READWRITE |
+                         G_PARAM_CONSTRUCT |
+                         G_PARAM_STATIC_STRINGS));
+}
+
+static void
+update_tooltip (GtkLockButton *button)
+{
+  GtkLockButtonPrivate *priv = button->priv;
+  const gchar *tooltip;
+
+  switch (gtk_notebook_get_current_page (GTK_NOTEBOOK (priv->notebook)))
+    {
+      case 0:
+        tooltip = priv->tooltip_lock;
+        break;
+      case 1:
+        tooltip = priv->tooltip_unlock;
+        break;
+      case 2:
+        tooltip = priv->tooltip_not_authorized;
+        break;
+      default:
+        tooltip = "";
+        break;
+    }
+
+  gtk_widget_set_tooltip_markup (priv->box, tooltip);
+}
+
+static void
+update_state (GtkLockButton *button)
+{
+  GtkLockButtonPrivate *priv = button->priv;
+  gboolean allowed;
+  gboolean can_acquire;
+  gboolean can_release;
+  gint page;
+  gboolean sensitive;
+  gboolean visible;
+  GIcon *icon;
+
+  if (priv->permission)
+    {
+      allowed = g_permission_get_allowed (priv->permission);
+      can_acquire = g_permission_get_can_acquire (priv->permission);
+      can_release = g_permission_get_can_release (priv->permission);
+    }
+  else
+    {
+      allowed = FALSE;
+      can_acquire = FALSE;
+      can_release = FALSE;
+    }
+
+  visible = TRUE;
+  sensitive = TRUE;
+
+  if (allowed)
+    {
+      if (can_release)
+        {
+          page = 0;
+          sensitive = TRUE;
+        }
+      else
+        {
+          page = 0;
+          visible = FALSE;
+        }
+    }
+  else
+    {
+      if (can_acquire)
+        {
+          page = 1;
+          sensitive = TRUE;
+        }
+      else
+        {
+          page = 2;
+          sensitive = FALSE;
+        }
+    }
+
+  if (allowed)
+    {
+      gchar *names[3];
+
+      names[0] = "changes-allow-symbolic";
+      names[1] = "changes-allow";
+      names[2] = NULL;
+      icon = g_themed_icon_new_from_names (names, -1);
+    }
+  else
+    {
+      gchar *names[3];
+
+      names[0] = "changes-prevent-symbolic";
+      names[1] = "changes-prevent";
+      names[2] = NULL;
+      icon = g_themed_icon_new_from_names (names, -1);
+    }
+
+  gtk_image_set_from_gicon (GTK_IMAGE (priv->image), icon, GTK_ICON_SIZE_BUTTON);
+  g_object_unref (icon);
+
+  gtk_notebook_set_current_page (GTK_NOTEBOOK (priv->notebook), page);
+  gtk_widget_set_sensitive (priv->box, sensitive);
+  gtk_widget_set_visible (priv->box, visible);
+
+  update_tooltip (button);
+}
+
+static void
+on_permission_changed (GPermission *permission,
+                       GParamSpec  *pspec,
+                       gpointer     user_data)
+{
+  GtkLockButton *button = GTK_LOCK_BUTTON (user_data);
+
+  update_state (button);
+}
+
+static void
+acquire_cb (GObject      *source,
+            GAsyncResult *result,
+            gpointer      user_data)
+{
+  GtkLockButton *button = GTK_LOCK_BUTTON (user_data);
+  GtkLockButtonPrivate *priv = button->priv;
+  GError *error;
+
+  error = NULL;
+  if (!g_permission_acquire_finish (priv->permission, result, &error))
+    {
+      g_warning ("Error acquiring permission: %s", error->message);
+      g_error_free (error);
+    }
+
+  g_object_unref (priv->cancellable);
+  priv->cancellable = NULL;
+
+  update_state (button);
+}
+
+static void
+release_cb (GObject      *source,
+            GAsyncResult *result,
+            gpointer      user_data)
+{
+  GtkLockButton *button = GTK_LOCK_BUTTON (user_data);
+  GtkLockButtonPrivate *priv = button->priv;
+  GError *error;
+
+  error = NULL;
+  if (!g_permission_release_finish (priv->permission, result, &error))
+    {
+      g_warning ("Error releasing permission: %s", error->message);
+      g_error_free (error);
+    }
+
+  g_object_unref (priv->cancellable);
+  priv->cancellable = NULL;
+
+  update_state (button);
+}
+
+static void
+handle_click (GtkLockButton *button)
+{
+  GtkLockButtonPrivate *priv = button->priv;
+
+  /* if we already have a pending interactive check, then do nothing */
+  if (priv->cancellable != NULL)
+    return;
+
+  if (g_permission_get_allowed (priv->permission))
+    {
+      if (g_permission_get_can_release (priv->permission))
+        {
+          priv->cancellable = g_cancellable_new ();
+
+          g_permission_release_async (priv->permission,
+                                      priv->cancellable,
+                                      release_cb,
+                                      button);
+        }
+    }
+  else
+    {
+      if (g_permission_get_can_acquire (priv->permission))
+        {
+          priv->cancellable = g_cancellable_new ();
+
+          g_permission_acquire_async (priv->permission,
+                                      priv->cancellable,
+                                      acquire_cb,
+                                      button);
+        }
+    }
+}
+
+static void
+on_clicked (GtkButton *button,
+            gpointer   user_data)
+
+{
+  handle_click (GTK_LOCK_BUTTON (user_data));
+}
+
+static void
+on_button_press (GtkWidget      *widget,
+                 GdkEventButton *event,
+                 gpointer        user_data)
+{
+  handle_click (GTK_LOCK_BUTTON (user_data));
+}
+
+
+/**
+ * gtk_lock_button_new:
+ * @permission: (allow-none): a #GPermission
+ *
+ * Creates a new lock button which reflects the @permission.
+ *
+ * Returns: a new #GtkLockButton
+ *
+ * Since: 3.2
+ */
+GtkWidget *
+gtk_lock_button_new (GPermission *permission)
+{
+  return GTK_WIDGET (g_object_new (GTK_TYPE_LOCK_BUTTON,
+                                   "permission", permission,
+                                   NULL));
+}
+
+/**
+ * gtk_lock_button_get_permission:
+ * @button: a #GtkLockButton
+ *
+ * Obtains the #GPermission object that controls @button.
+ *
+ * Returns: the #GPermission of @button
+ *
+ * Since: 3.2
+ */
+GPermission *
+gtk_lock_button_get_permission (GtkLockButton *button)
+{
+  g_return_val_if_fail (GTK_IS_LOCK_BUTTON (button), NULL);
+
+  return button->priv->permission;
+}
+
+/**
+ * gtk_lock_button_set_permission:
+ * @button: a #GtkLockButton
+ * @permission: a #GPermission object
+ *
+ * Sets the #GPermission object that controls @button.
+ *
+ * Since: 3.2
+ */
+void
+gtk_lock_button_set_permission (GtkLockButton *button,
+                                GPermission   *permission)
+{
+  GtkLockButtonPrivate *priv;
+
+  g_return_if_fail (GTK_IS_LOCK_BUTTON (button));
+  g_return_if_fail (G_IS_PERMISSION (permission));
+
+  priv = button->priv;
+
+  if (priv->permission != permission)
+    {
+      if (priv->permission)
+        {
+          g_signal_handlers_disconnect_by_func (priv->permission,
+                                                on_permission_changed,
+                                                button);
+          g_object_unref (priv->permission);
+        }
+
+      priv->permission = permission;
+
+      if (priv->permission)
+        {
+          g_object_ref (priv->permission);
+          g_signal_connect (priv->permission, "notify",
+                            G_CALLBACK (on_permission_changed), button);
+        }
+
+      update_state (button);
+
+      g_object_notify (G_OBJECT (button), "permission");
+    }
+}
diff --git a/gtk/gtklockbutton.h b/gtk/gtklockbutton.h
new file mode 100644
index 0000000..abc100e
--- /dev/null
+++ b/gtk/gtklockbutton.h
@@ -0,0 +1,70 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2010 Red Hat, Inc.
+ * Author: Matthias Clasen
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GTK_LOCK_BUTTON_H__
+#define __GTK_LOCK_BUTTON_H__
+
+#include <gtk/gtkbin.h>
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_LOCK_BUTTON         (gtk_lock_button_get_type ())
+#define GTK_LOCK_BUTTON(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_LOCK_BUTTON, GtkLockButton))
+#define GTK_LOCK_BUTTON_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST ((k), GTK_LOCK_BUTTON,  GtkLockButtonClass))
+#define GTK_IS_LOCK_BUTTON(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_LOCK_BUTTON))
+#define GTK_IS_LOCK_BUTTON_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), GTK_TYPE_LOCK_BUTTON))
+#define GTK_LOCK_BUTTON_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_LOCK_BUTTON, GtkLockButtonClass))
+
+typedef struct _GtkLockButton        GtkLockButton;
+typedef struct _GtkLockButtonClass   GtkLockButtonClass;
+typedef struct _GtkLockButtonPrivate GtkLockButtonPrivate;
+
+struct _GtkLockButton
+{
+  GtkBin parent;
+
+  GtkLockButtonPrivate *priv;
+};
+
+struct _GtkLockButtonClass
+{
+  GtkBinClass parent_class;
+
+  void (*reserved0) (void);
+  void (*reserved1) (void);
+  void (*reserved2) (void);
+  void (*reserved3) (void);
+  void (*reserved4) (void);
+  void (*reserved5) (void);
+  void (*reserved6) (void);
+  void (*reserved7) (void);
+};
+
+GType        gtk_lock_button_get_type       (void) G_GNUC_CONST;
+GtkWidget   *gtk_lock_button_new            (GPermission   *permission);
+GPermission *gtk_lock_button_get_permission (GtkLockButton *button);
+void         gtk_lock_button_set_permission (GtkLockButton *button,
+                                             GPermission   *permission);
+
+
+G_END_DECLS
+
+#endif  /* __GTK_LOCK_BUTTON_H__ */
diff --git a/po-properties/POTFILES.in b/po-properties/POTFILES.in
index c252d5e..dfb3b79 100644
--- a/po-properties/POTFILES.in
+++ b/po-properties/POTFILES.in
@@ -118,6 +118,7 @@ gtk/gtklabel.c
 gtk/gtklayout.c
 gtk/gtklinkbutton.c
 gtk/gtkliststore.c
+gtk/gtklockbutton.c
 gtk/gtkmain.c
 gtk/gtkmenubar.c
 gtk/gtkmenu.c
diff --git a/po/POTFILES.in b/po/POTFILES.in
index a57514b..cb67139 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -118,6 +118,7 @@ gtk/gtklabel.c
 gtk/gtklayout.c
 gtk/gtklinkbutton.c
 gtk/gtkliststore.c
+gtk/gtklockbutton.c
 gtk/gtkmain.c
 gtk/gtkmenubar.c
 gtk/gtkmenu.c
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 3ea7981..8c87a51 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -59,6 +59,7 @@ noinst_PROGRAMS =  $(TEST_PROGS)	\
 	testicontheme			\
 	testimage			\
 	testinput			\
+	testlockbutton			\
 	testmenubars			\
 	testmountoperation		\
 	testmultidisplay		\
@@ -158,6 +159,7 @@ testgrid_DEPENDENCIES = $(TEST_DEPS)
 testgtk_DEPENDENCIES = $(TEST_DEPS)
 testinput_DEPENDENCIES = $(TEST_DEPS)
 testimage_DEPENDENCIES = $(TEST_DEPS)
+testlockbutton_DEPENDENCIES = $(TEST_DEPS)
 testmenubars_DEPENDENCIES = $(TEST_DEPS)
 testmountoperation_DEPENDENCIES = $(TEST_DEPS)
 testmultidisplay_DEPENDENCIES = $(TEST_DEPS)
@@ -241,6 +243,7 @@ testiconview_LDADD = $(LDADDS)
 testiconview_keynav_LDADD = $(LDADDS)
 testinput_LDADD = $(LDADDS)
 testimage_LDADD = $(LDADDS)
+testlockbutton_LDADD = $(LDADDS)
 testmenubars_LDADD = $(LDADDS)
 testmountoperation_LDADD = $(LDADDS)
 testmultidisplay_LDADD = $(LDADDS)
diff --git a/tests/testlockbutton.c b/tests/testlockbutton.c
new file mode 100644
index 0000000..f6bbbd4
--- /dev/null
+++ b/tests/testlockbutton.c
@@ -0,0 +1,277 @@
+/* testlockbutton.c
+ * Copyright (C) 2011 Red Hat, Inc.
+ * Authors: Matthias Clasen
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gtk/gtk.h>
+#include <gio/gio.h>
+
+/* a fake permission implementation */
+
+#define G_TYPE_TEST_PERMISSION      (g_test_permission_get_type ())
+#define G_TEST_PERMISSION(inst)     (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
+                                     G_TYPE_TEST_PERMISSION,             \
+                                     GTestPermission))
+#define G_IS_TEST_PERMISSION(inst)  (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
+                                     G_TYPE_TEST_PERMISSION))
+
+typedef struct _GTestPermission GTestPermission;
+typedef struct _GTestPermissionClass GTestPermissionClass;
+
+struct _GTestPermission
+{
+  GPermission parent;
+
+  gboolean success;
+};
+
+struct _GTestPermissionClass
+{
+  GPermissionClass parent_class;
+};
+
+G_DEFINE_TYPE (GTestPermission, g_test_permission, G_TYPE_PERMISSION)
+
+static void
+g_test_permission_init (GTestPermission *test)
+{
+}
+
+static gboolean
+update_allowed (GTestPermission  *test,
+                gboolean          allowed,
+                GError          **error)
+{
+  gboolean can_acquire, can_release;
+
+  g_object_get (test,
+                "can-acquire", &can_acquire,
+                "can-release", &can_release,
+                NULL);
+
+  if (test->success)
+    {
+      g_permission_impl_update (G_PERMISSION (test),
+                                allowed, can_acquire, can_release);
+      return TRUE;
+    }
+  else
+    {
+      g_set_error_literal (error,
+                           G_IO_ERROR, G_IO_ERROR_FAILED, "Sorry, no luck");
+      return FALSE;
+    }
+}
+
+static gboolean
+acquire (GPermission   *permission,
+         GCancellable  *cancellable,
+         GError       **error)
+{
+  GTestPermission *test = G_TEST_PERMISSION (permission);
+  return update_allowed (test, TRUE, error);
+}
+
+static void
+acquire_async (GPermission         *permission,
+               GCancellable        *cancellable,
+               GAsyncReadyCallback  callback,
+               gpointer             user_data)
+{
+  GSimpleAsyncResult *result;
+  g_print ("GTestPermission::acquire_async\n");
+  result = g_simple_async_result_new ((GObject*)permission,
+                                      callback,
+                                      user_data,
+                                      acquire_async);
+  g_simple_async_result_complete (result);
+  g_object_unref (result);
+}
+
+gboolean
+acquire_finish (GPermission   *permission,
+                GAsyncResult  *result,
+                GError       **error)
+{
+  GTestPermission *test = G_TEST_PERMISSION (permission);
+  g_print ("GTestPermission::acquire_finish\n");
+  return update_allowed (test, TRUE, error);
+}
+
+static gboolean
+release (GPermission   *permission,
+         GCancellable  *cancellable,
+         GError       **error)
+{
+  GTestPermission *test = G_TEST_PERMISSION (permission);
+  return update_allowed (test, FALSE, error);
+}
+
+static void
+release_async (GPermission         *permission,
+               GCancellable        *cancellable,
+               GAsyncReadyCallback  callback,
+               gpointer             user_data)
+{
+  GSimpleAsyncResult *result;
+  result = g_simple_async_result_new ((GObject*)permission,
+                                      callback,
+                                      user_data,
+                                      acquire_async);
+  g_simple_async_result_complete (result);
+  g_object_unref (result);
+}
+
+gboolean
+release_finish (GPermission   *permission,
+                GAsyncResult  *result,
+                GError       **error)
+{
+  GTestPermission *test = G_TEST_PERMISSION (permission);
+  return update_allowed (test, FALSE, error);
+}
+
+static void
+g_test_permission_class_init (GTestPermissionClass *class)
+{
+  GPermissionClass *permission_class = G_PERMISSION_CLASS (class);
+
+  permission_class->acquire = acquire;
+  permission_class->acquire_async = acquire_async;
+  permission_class->acquire_finish = acquire_finish;
+
+  permission_class->release = release;
+  permission_class->release_async = release_async;
+  permission_class->release_finish = release_finish;
+}
+
+void
+g_test_permission_set_success (GTestPermission *permission,
+                               gboolean         success)
+{
+  permission->success = success;
+}
+
+static GtkWidget *allowed_button;
+static GtkWidget *can_acquire_button;
+static GtkWidget *can_release_button;
+static GtkWidget *success_button;
+
+static void
+update_clicked (GtkButton *button, GtkLockButton *lockbutton)
+{
+  GPermission *permission;
+  gboolean allowed, can_acquire, can_release;
+  gboolean success;
+
+  permission = gtk_lock_button_get_permission (lockbutton);
+
+  allowed = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (allowed_button));
+  can_acquire = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (can_acquire_button));
+  can_release = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (can_release_button));
+  success = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (success_button));
+  g_permission_impl_update (permission, allowed, can_acquire, can_release);
+  g_test_permission_set_success (G_TEST_PERMISSION (permission), success);
+}
+
+static GtkWidget *content;
+
+static void
+permission_changed (GPermission *permission,
+                    GParamSpec  *pspec)
+{
+  gboolean allowed, can_acquire, can_release;
+
+  g_object_get (permission,
+                "allowed", &allowed,
+                "can-acquire", &can_acquire,
+                "can-release", &can_release,
+                NULL);
+
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (allowed_button), allowed);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (can_acquire_button), can_acquire);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (can_release_button), can_release);
+
+  gtk_widget_set_sensitive (content, allowed);
+}
+
+int
+main (int argc, char *argv[])
+{
+  GtkWidget *window;
+  GtkWidget *dialog;
+  GtkWidget *button;
+  GtkWidget *box;
+  GtkWidget *bbox;
+  GtkWidget *update;
+  GPermission *permission;
+
+  gtk_init (&argc, &argv);
+
+  permission = g_object_new (G_TYPE_TEST_PERMISSION, NULL);
+
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
+  gtk_container_set_border_width (GTK_CONTAINER (window), 12);
+
+  box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
+  gtk_container_add (GTK_CONTAINER (window), box);
+
+  allowed_button = gtk_check_button_new_with_label ("Allowed");
+  gtk_container_add (GTK_CONTAINER (box), allowed_button);
+  can_acquire_button = gtk_check_button_new_with_label ("Can acquire");
+  gtk_container_add (GTK_CONTAINER (box), can_acquire_button);
+  can_release_button = gtk_check_button_new_with_label ("Can release");
+  gtk_container_add (GTK_CONTAINER (box), can_release_button);
+  success_button = gtk_check_button_new_with_label ("Will succeed");
+  gtk_container_add (GTK_CONTAINER (box), success_button);
+  update = gtk_button_new_with_label ("Update");
+  gtk_container_add (GTK_CONTAINER (box), update);
+  g_signal_connect (permission, "notify",
+                    G_CALLBACK (permission_changed), NULL);
+
+  button = gtk_lock_button_new (permission);
+
+  g_signal_connect (update, "clicked",
+                    G_CALLBACK (update_clicked), button);
+
+  dialog = gtk_dialog_new_with_buttons ("Dialog", NULL, 0,
+                                        "Close", GTK_RESPONSE_CLOSE,
+                                        "Some other action", GTK_RESPONSE_APPLY,
+                                        NULL);
+  gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
+
+  bbox = gtk_dialog_get_action_area (GTK_DIALOG (dialog));
+  gtk_container_add (GTK_CONTAINER (bbox), button);
+  gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (bbox), button, TRUE);
+  gtk_button_box_set_child_non_homogeneous (GTK_BUTTON_BOX (bbox), button, TRUE);
+
+  content = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
+  gtk_container_add (GTK_CONTAINER (content), gtk_check_button_new_with_label ("Control 1"));
+  gtk_container_add (GTK_CONTAINER (content), gtk_check_button_new_with_label ("Control 2"));
+  gtk_widget_set_sensitive (content, FALSE);
+
+  gtk_container_add (GTK_CONTAINER (gtk_dialog_get_content_area (GTK_DIALOG (dialog))), content);
+
+  gtk_widget_show_all (window);
+  gtk_widget_show_all (dialog);
+
+  gtk_main ();
+
+  return 0;
+}



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