A very simple applet to debug show desktop and smooth graphics

	* applets/Makefile.am:
	* applets/launcher/Makefile.am:
	* applets/launcher/nautilus-launcher-applet.c: (button_toggled),
	(show_desktop_changed_callback), (delete_event), (main):
	* applets/launcher/nautilus-launcher-applet.gnorba:
	* applets/preferences-applet/Makefile.am:
	* applets/preferences-applet/nautilus-preferences-applet.c:
	(accept_all_cookies), (preference_toggle_destroy_callback),
	(boolean_preference_changed_callback), (button_toggled),
	(boolean_toggle_button_new), (main):
	* applets/preferences-applet/nautilus-preferences-applet.gnorba:
	* configure.in:
	A very simple applet to debug show desktop and smooth graphics
	preferences.

9 files changed, 289 insertions, 251 deletions

diff --git a/ChangeLog b/ChangeLog
index 1dfe8b709..5bfce92c6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,20 @@
+2001-01-23  Ramiro Estrugo  <ramiro@eazel.com>
+
+	* applets/Makefile.am:
+	* applets/launcher/Makefile.am:
+	* applets/launcher/nautilus-launcher-applet.c: (button_toggled),
+	(show_desktop_changed_callback), (delete_event), (main):
+	* applets/launcher/nautilus-launcher-applet.gnorba:
+	* applets/preferences-applet/Makefile.am:
+	* applets/preferences-applet/nautilus-preferences-applet.c:
+	(accept_all_cookies), (preference_toggle_destroy_callback),
+	(boolean_preference_changed_callback), (button_toggled),
+	(boolean_toggle_button_new), (main):
+	* applets/preferences-applet/nautilus-preferences-applet.gnorba:
+	* configure.in:
+	A very simple applet to debug show desktop and smooth graphics
+	preferences.
+	
 2001-01-23  Andy Hertzfeld  <andy@eazel.com>
 
 	* libnautilus-extensions/nautilus-directory-background.c:
diff --git a/applets/Makefile.am b/applets/Makefile.am
index 52a1083e2..f17e756e5 100644
--- a/applets/Makefile.am
+++ b/applets/Makefile.am
@@ -2,4 +2,5 @@ include $(top_srcdir)/Makefile.shared
 
 SUBDIRS = \
 	launcher \
+	preferences-applet \
 	$(NULL)
diff --git a/applets/launcher/Makefile.am b/applets/launcher/Makefile.am
index c6af2386a..56aacf2be 100644
--- a/applets/launcher/Makefile.am
+++ b/applets/launcher/Makefile.am
@@ -27,5 +27,5 @@ gnorbadir  = $(sysconfdir)/CORBA/servers
 gnorba_DATA = nautilus-launcher-applet.gnorba
 
 EXTRA_DIST =\
-	nautilus-launcher-applet.gnorba \
+	$(gnorba_DATA) \
 	$(NULL)
diff --git a/applets/launcher/nautilus-launcher-applet.c b/applets/launcher/nautilus-launcher-applet.c
index f6f6367f2..44e523911 100644
--- a/applets/launcher/nautilus-launcher-applet.c
+++ b/applets/launcher/nautilus-launcher-applet.c
@@ -17,289 +17,91 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.
 
-   Authors: Mathieu Lacage  <mathieu@eazel.com>
-            Ramiro Estrugo <ramiro@eazel.com>
+   Authors: Ramiro Estrugo <ramiro@eazel.com>
  */
 
-/* Everything beyond this point is pure evil. */
+/*
+ * A very simple applet to toggle some Nautilus preferences.
+ */
 
 #include <config.h>
 #include <applet-widget.h>
 #include <libnautilus-extensions/nautilus-image.h>
-#include <libnautilus-extensions/nautilus-graphic-effects.h>
-#include <libgnome/gnome-exec.h>
-#include <gtk/gtkobject.h>
-#include <gtk/gtkeventbox.h>
-#include <gdk/gdkx.h>
-#include <gdk/gdkprivate.h>
-#include <X11/Xatom.h>
-#include <gdk/gdkx.h>
-
-/*
- * The purpose of this applet is to launch Nautilus.  The applet tries very hard to 
- * give good feedback to the user by changing the appearance of the launch icon.
- * The launch icon cursor and the desktop cursor are also updated in concert when 
- * a new Nautilus window is launching.
- */
-
-#define ICON_NAME "nautilus-launch-icon.png"
-#define VERTICAL_OFFSET 2
-#define HORIZONTAL_OFFSET 2
-
-static GdkPixbuf *icon_pixbuf = NULL;
-static GdkPixbuf *icon_prelight_pixbuf = NULL;
-static long last_window_realize_time = 0;
-static GtkWidget *icon_image = NULL;
-static GtkWidget *icon_event_box = NULL;
-
-static void     set_is_launching (gboolean state);
-static gboolean get_is_launching (void);
+#include <libnautilus-extensions/nautilus-global-preferences.h>
+#include <gtk.h>
 
 static void
-create_pixbufs ()
+button_toggled (GtkWidget *button,
+		gpointer callback_data)
 {
-	if (icon_pixbuf == NULL) {
-		char *path;
-		
-		path = g_strdup_printf ("%s/pixmaps/%s", DATADIR, ICON_NAME);
-		
-		icon_pixbuf = gdk_pixbuf_new_from_file (path);
-		g_free (path);
-		
-		g_assert (icon_pixbuf != NULL);
-
-		icon_prelight_pixbuf = nautilus_create_spotlight_pixbuf (icon_pixbuf);
-	}
+	nautilus_preferences_set_boolean (NAUTILUS_PREFERENCES_SHOW_DESKTOP,
+					  GTK_TOGGLE_BUTTON (button)->active);
 }
 
 static void
-applet_change_pixel_size(GtkWidget *widget, int size, gpointer data)
+show_desktop_changed_callback (gpointer callback_data)
 {
-	/* need to change the size of the button here */
-}
-
-static gint
-image_enter_event (GtkWidget *event_box,
-		   GdkEventCrossing *event,
-		   gpointer client_data)
-{
-	g_return_val_if_fail (GTK_IS_EVENT_BOX (event_box), TRUE);
-	g_return_val_if_fail (NAUTILUS_IS_IMAGE (client_data), TRUE);
-
-	if (!get_is_launching ()) {
-		nautilus_image_set_pixbuf (NAUTILUS_IMAGE (client_data), icon_prelight_pixbuf);
-	}
+	gboolean show_desktop;
 
-	return TRUE;
-}
-
-static gint
-image_leave_event (GtkWidget *event_box,
-		   GdkEventCrossing *event,
-		   gpointer client_data)
-{
-	g_return_val_if_fail (GTK_IS_EVENT_BOX (event_box), TRUE);
-	g_return_val_if_fail (NAUTILUS_IS_IMAGE (client_data), TRUE);
+	show_desktop = nautilus_preferences_get_boolean (NAUTILUS_PREFERENCES_SHOW_DESKTOP);
 	
-	nautilus_image_set_pixbuf (NAUTILUS_IMAGE (client_data), icon_pixbuf);
-	gtk_object_set_data (GTK_OBJECT (event_box), "was-pressed", FALSE);
-
-	return TRUE;
-}
-
-static GdkWindow *
-get_root_window (void)
-{
-	return GDK_ROOT_PARENT ();
+	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (callback_data),
+				      nautilus_preferences_get_boolean (NAUTILUS_PREFERENCES_SHOW_DESKTOP));
 }
 
 static void
-window_set_cursor_for_state (GdkWindow *window, gboolean busy)
+delete_event (GtkWidget *widget, GdkEvent *event, gpointer callback_data)
 {
-	GdkCursor *cursor;
-
-	g_return_if_fail (window != NULL);
-
-	cursor = gdk_cursor_new (busy ? GDK_WATCH : GDK_LEFT_PTR);
- 	gdk_window_set_cursor (window, cursor);
-	gdk_cursor_destroy (cursor);
-}
-
-static gboolean is_launching = FALSE;
-
-static void
-set_is_launching (gboolean state)
-{
-	if (is_launching == state) {
-		return;
-	}
-
-	is_launching = state;
-
-	window_set_cursor_for_state (get_root_window (), is_launching);
-	window_set_cursor_for_state (GTK_WIDGET (icon_event_box)->window, is_launching);	
-
-	nautilus_image_set_pixbuf_opacity (NAUTILUS_IMAGE (icon_image), is_launching ? 128 : 255);
-}
-
-static gboolean
-get_is_launching (void)
-{
-	return is_launching;
-}
-
-static gint
-image_button_press_event (GtkWidget *event_box,
-			  GdkEventButton *event,
-			  gpointer client_data)
-{
-	GtkWidget *icon = GTK_WIDGET (client_data);
-
-	g_return_val_if_fail (GTK_IS_EVENT_BOX (event_box), TRUE);
-	g_return_val_if_fail (NAUTILUS_IS_IMAGE (icon), TRUE);
-
-	if (!get_is_launching ()) {
-		gtk_object_set_data (GTK_OBJECT (event_box), "was-pressed", GINT_TO_POINTER (TRUE));
-	}
-		
-	return TRUE;
-}
-
-static gint
-image_button_release_event (GtkWidget *event_box,
-			    GdkEventButton *event,
-			    gpointer client_data)
-{
-	GtkWidget *icon = GTK_WIDGET (client_data);
-
-	g_return_val_if_fail (GTK_IS_EVENT_BOX (event_box), TRUE);
-	g_return_val_if_fail (NAUTILUS_IS_IMAGE (icon), TRUE);
-
-	if (GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (event_box), "was-pressed"))) {
-		gtk_object_set_data (GTK_OBJECT (event_box), "was-pressed", FALSE);
-
-		if (!get_is_launching ())
-		{
-			char *path;
-			gint pid;
-
-			path = g_strdup_printf ("%s/%s", BINDIR, "run-nautilus");
-			
-			pid = gnome_execute_async (NULL, 1, &path);
-			
-			if (pid != 0) {
-				set_is_launching (TRUE);
-			}
-
-			g_free (path);
-		}
-	}
-	
-	return TRUE;
-}
-
-static GdkFilterReturn
-event_filter (GdkXEvent *gdk_xevent,
-	      GdkEvent *event,
-	      gpointer client_data)
-{
-	XEvent *xevent = (XEvent *) gdk_xevent;
-	
-	if (xevent->type == PropertyNotify) {
-		GdkAtom actual_property_type;
-		gint actual_format;
-		gint actual_length;
-		guchar *data;
-	
-		if (gdk_property_get (get_root_window (),
-				      gdk_atom_intern ("_NAUTILUS_LAST_WINDOW_REALIZE_TIME", FALSE),
-				      0,
-				      0,
-				      1L,
-				      FALSE,
-				      &actual_property_type,
-				      &actual_format,
-				      &actual_length,
-				      &data)) {
-			
-			if (actual_format == 32 && actual_length == 4) {
-				long realize_time;
-				
-				realize_time = *((long *) data);
-				
-				if (last_window_realize_time != realize_time) {
-					last_window_realize_time = realize_time;
-					set_is_launching (FALSE);
-				}
-			}
-			
-			g_free (data);
-			
-		}
-	}
-
-	return GDK_FILTER_CONTINUE;
-}
-
-static void
-root_listen_for_property_changes (void)
-{
-	XWindowAttributes attribs = { 0 };
-
-	gdk_window_add_filter (get_root_window (), event_filter, NULL);
-	
-	XGetWindowAttributes (GDK_DISPLAY (), GDK_ROOT_WINDOW (), &attribs);
-
-	XSelectInput (GDK_DISPLAY (), GDK_ROOT_WINDOW (), attribs.your_event_mask | PropertyChangeMask);
-	
-	gdk_flush ();
+	gtk_main_quit ();
 }
 
 int
 main (int argc, char **argv)
 {
 	GtkWidget *applet;
-	int size;
+	GtkWidget *button;
 
 	bindtextdomain (PACKAGE, GNOMELOCALEDIR);
 	textdomain (PACKAGE);
 	
-	applet_widget_init ("nautilus_launcher_applet", VERSION, argc,
-			    argv, NULL, 0, NULL);
-
-	applet = applet_widget_new ("nautilus_launcher_applet");
-	if (applet == NULL)
-		g_error (_("Can't create nautilus-launcher-applet!"));
-
-	root_listen_for_property_changes ();
-
-	create_pixbufs ();
-
-	icon_event_box = gtk_event_box_new ();
-	gtk_object_set_data (GTK_OBJECT (icon_event_box), "was-pressed", FALSE);
+	applet_widget_init ("nautilus_preferences_applet",
+			    VERSION,
+			    argc,
+			    argv,
+			    NULL,
+			    0,
+			    NULL);
+
+	applet = applet_widget_new ("nautilus_preferences_applet");
+
+	if (applet == NULL) {
+		g_error (_("Can't create nautilus-preferences-applet!"));
+		exit (1);
+	}
 
-	icon_image = nautilus_image_new (NULL);
-	gtk_misc_set_padding (GTK_MISC (icon_image), 2, 2);
+	nautilus_global_preferences_initialize ();
 
-	gtk_signal_connect (GTK_OBJECT (icon_event_box), "enter_notify_event", GTK_SIGNAL_FUNC (image_enter_event), icon_image);
-	gtk_signal_connect (GTK_OBJECT (icon_event_box), "leave_notify_event", GTK_SIGNAL_FUNC (image_leave_event), icon_image);
-	gtk_signal_connect (GTK_OBJECT (icon_event_box), "button_press_event", GTK_SIGNAL_FUNC (image_button_press_event), icon_image);
-	gtk_signal_connect (GTK_OBJECT (icon_event_box), "button_release_event", GTK_SIGNAL_FUNC (image_button_release_event), icon_image);
+	button = gtk_toggle_button_new_with_label ("Show Desktop");
 
-	nautilus_image_set_pixbuf (NAUTILUS_IMAGE (icon_image), icon_pixbuf);
+	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
+				      nautilus_preferences_get_boolean (NAUTILUS_PREFERENCES_SHOW_DESKTOP));
+	
+	gtk_signal_connect (GTK_OBJECT (button),
+			    "toggled",
+			    GTK_SIGNAL_FUNC (button_toggled),
+			    NULL);
 
-	gtk_container_add (GTK_CONTAINER (icon_event_box), icon_image);
-	gtk_object_set_data (GTK_OBJECT (applet), "widget", icon_event_box);
-	applet_widget_add (APPLET_WIDGET (applet), icon_event_box);
+	nautilus_preferences_add_callback (NAUTILUS_PREFERENCES_SHOW_DESKTOP, 
+					   show_desktop_changed_callback, 
+					   button);
 
-	size = applet_widget_get_panel_pixel_size(APPLET_WIDGET(applet)) - 2;
-	applet_change_pixel_size (GTK_WIDGET (applet), size, NULL);
+	gtk_container_add (GTK_CONTAINER (applet), button);
 
 	gtk_widget_show_all (applet);
-
-	gtk_signal_connect(GTK_OBJECT(applet),"change_pixel_size",
-			   GTK_SIGNAL_FUNC(applet_change_pixel_size),
-			   NULL);
+	
+// 	gtk_signal_connect(GTK_OBJECT(applet),"change_pixel_size",
+// 			   GTK_SIGNAL_FUNC (applet_change_pixel_size),
+// 			   NULL);
 
 	applet_widget_gtk_main ();
 
diff --git a/applets/launcher/nautilus-launcher-applet.gnorba b/applets/launcher/nautilus-launcher-applet.gnorba
index a94f3bd81..f2feb22e7 100644
--- a/applets/launcher/nautilus-launcher-applet.gnorba
+++ b/applets/launcher/nautilus-launcher-applet.gnorba
@@ -1,5 +1,5 @@
-[nautilus_launcher_applet]
+[nautilus_preferences_applet]
 type=exe
 repo_id=IDL:GNOME/Applet:1.0
-description=Nautilus Launcher Applet
-location_info=nautilus-launcher-applet
+description=Nautilus Preferences Applet
+location_info=nautilus-preferences-applet
diff --git a/applets/preferences-applet/Makefile.am b/applets/preferences-applet/Makefile.am
new file mode 100644
index 000000000..d958a90da
--- /dev/null
+++ b/applets/preferences-applet/Makefile.am
@@ -0,0 +1,31 @@
+include $(top_srcdir)/Makefile.shared
+
+INCLUDES = -I. -I$(srcdir) \
+	-DGNOMELOCALEDIR=\""$(datadir)/locale"\" \
+	-I$(top_srcdir) \
+	-I$(top_builddir) \
+	-I$(includedir) \
+	$(GNOME_CFLAGS) \
+	$(APPLETS_CFLAGS) \
+	-DDATADIR=\""$(datadir)"\" \
+	-DBINDIR=\""$(bindir)"\" \
+	$(NULL)
+
+bin_PROGRAMS = nautilus-preferences-applet
+
+nautilus_preferences_applet_SOURCES =\
+	nautilus-preferences-applet.c \
+	$(NULL)
+
+nautilus_preferences_applet_LDADD =	\
+	$(top_builddir)/libnautilus/libnautilus.la \
+	$(top_builddir)/libnautilus-extensions/libnautilus-extensions.la \
+	$(APPLETS_LIBS) \
+	$(NULL)
+
+gnorbadir  = $(sysconfdir)/CORBA/servers
+gnorba_DATA = nautilus-preferences-applet.gnorba
+
+EXTRA_DIST =\
+	$(gnorba_DATA) \
+	$(NULL)
diff --git a/applets/preferences-applet/nautilus-preferences-applet.c b/applets/preferences-applet/nautilus-preferences-applet.c
new file mode 100644
index 000000000..c25e72ad3
--- /dev/null
+++ b/applets/preferences-applet/nautilus-preferences-applet.c
@@ -0,0 +1,181 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* 
+   Copyright (C) 2000 Eazel, Inc.
+
+   The Gnome 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.
+
+   The Gnome 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 the Gnome Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+
+   Authors: Ramiro Estrugo <ramiro@eazel.com>
+ */
+
+/*
+ * A very simple applet to toggle some Nautilus preferences.
+ */
+
+#include <config.h>
+#include <applet-widget.h>
+#include <libnautilus-extensions/nautilus-image.h>
+#include <libnautilus-extensions/nautilus-global-preferences.h>
+#include <gtk/gtkvbox.h>
+#include <gtk/gtktogglebutton.h>
+
+/* UTTER HACK */
+static ORBit_MessageValidationResult
+accept_all_cookies (CORBA_unsigned_long request_id,
+		    CORBA_Principal *principal,
+		    CORBA_char *operation)
+{
+	/* allow ALL cookies */
+	return ORBIT_MESSAGE_ALLOW_ALL;
+}
+
+
+typedef struct
+{
+	char *preference_name;
+	GtkWidget *button;
+} Foo;
+
+static void
+preference_toggle_destroy_callback (GtkObject *object, gpointer callback_data)
+{
+	Foo *foo = callback_data;
+	
+	g_return_if_fail (foo != NULL);
+	g_return_if_fail (foo->preference_name != NULL);
+	g_return_if_fail (GTK_IS_TOGGLE_BUTTON (foo->button));
+
+	g_free (foo->preference_name);
+	g_free (foo);
+}
+
+static void
+boolean_preference_changed_callback (gpointer callback_data)
+{
+	Foo *foo = callback_data;
+	
+	g_return_if_fail (foo != NULL);
+	g_return_if_fail (foo->preference_name != NULL);
+	g_return_if_fail (GTK_IS_TOGGLE_BUTTON (foo->button));
+
+	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (foo->button),
+				      nautilus_preferences_get_boolean (foo->preference_name));
+}
+
+static void
+button_toggled (GtkWidget *button,
+		gpointer callback_data)
+{
+	Foo *foo = callback_data;
+	
+	g_return_if_fail (foo != NULL);
+	g_return_if_fail (foo->preference_name != NULL);
+	g_return_if_fail (GTK_IS_TOGGLE_BUTTON (foo->button));
+
+	nautilus_preferences_set_boolean (foo->preference_name, GTK_TOGGLE_BUTTON (foo->button)->active);
+}
+
+static GtkWidget *
+boolean_toggle_button_new (const char *preference_name,
+			   const char *button_label)
+{
+	Foo *foo;
+	GtkWidget *button;
+
+	g_return_val_if_fail (preference_name != NULL, NULL);
+	g_return_val_if_fail (button_label != NULL, NULL);
+
+	
+	button = gtk_toggle_button_new_with_label (button_label);
+
+	foo = g_new (Foo, 1);
+	foo->preference_name = g_strdup (preference_name);
+	foo->button = button;
+
+	gtk_signal_connect (GTK_OBJECT (button),
+			    "destroy",
+			    GTK_SIGNAL_FUNC (preference_toggle_destroy_callback),
+			    foo);
+
+	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
+				      nautilus_preferences_get_boolean (preference_name));
+	
+	gtk_signal_connect_while_alive (GTK_OBJECT (button),
+					"toggled",
+					GTK_SIGNAL_FUNC (button_toggled),
+					foo,
+					GTK_OBJECT (button));
+	
+	nautilus_preferences_add_callback_while_alive (preference_name,
+						       boolean_preference_changed_callback,
+						       foo,
+						       GTK_OBJECT (button));
+
+	return button;
+}
+
+int
+main (int argc, char **argv)
+{
+	GtkWidget *applet;
+	GtkWidget *vbox;
+	GtkWidget *show_desktop_button;
+	GtkWidget *smooth_graphics_button;
+
+	bindtextdomain (PACKAGE, GNOMELOCALEDIR);
+	textdomain (PACKAGE);
+
+	applet_widget_init ("nautilus_preferences_applet",
+			    VERSION,
+			    argc,
+			    argv,
+			    NULL,
+			    0,
+			    NULL);
+
+	/* want to accept all corba messages so we setup the request validator
+	 * to just "accept all".  With Orbit 5.1 and higher this should be
+	 * secure */
+	ORBit_set_request_validation_handler (accept_all_cookies);
+
+	applet = applet_widget_new ("nautilus_preferences_applet");
+
+	if (applet == NULL) {
+		g_error (_("Can't create nautilus-preferences-applet!"));
+		exit (1);
+	}
+
+	nautilus_global_preferences_initialize ();
+
+	vbox = gtk_vbox_new (FALSE, 1);
+	
+	show_desktop_button = boolean_toggle_button_new (NAUTILUS_PREFERENCES_SHOW_DESKTOP,
+							 "Show Desktop");
+
+	gtk_box_pack_start (GTK_BOX (vbox), show_desktop_button, TRUE, TRUE, 1);
+
+	smooth_graphics_button = boolean_toggle_button_new (NAUTILUS_PREFERENCES_SMOOTH_GRAPHICS_MODE,
+							    "Smooth Graphics");
+	
+	gtk_box_pack_start (GTK_BOX (vbox), smooth_graphics_button, TRUE, TRUE, 1);
+
+	gtk_container_add (GTK_CONTAINER (applet), vbox);
+
+	gtk_widget_show_all (applet);
+
+	applet_widget_gtk_main ();
+
+	return 0;
+}
diff --git a/applets/preferences-applet/nautilus-preferences-applet.gnorba b/applets/preferences-applet/nautilus-preferences-applet.gnorba
new file mode 100644
index 000000000..a94f3bd81
--- /dev/null
+++ b/applets/preferences-applet/nautilus-preferences-applet.gnorba
@@ -0,0 +1,5 @@
+[nautilus_launcher_applet]
+type=exe
+repo_id=IDL:GNOME/Applet:1.0
+description=Nautilus Launcher Applet
+location_info=nautilus-launcher-applet
diff --git a/configure.in b/configure.in
index 9c9f42961..747bced84 100644
--- a/configure.in
+++ b/configure.in
@@ -853,6 +853,7 @@ user-guide/Makefile
 user-guide/C/Makefile
 applets/Makefile
 applets/launcher/Makefile
+applets/preferences-applet/Makefile
 ])
 
 dnl <= Configuration summary =>