merge of '9176982935d6e1cf409817d2c4c7d9252eeb17f3'

     and 'c4b03ec94efc7ce8e9de5522059ec159050d01f2'

19 files changed, 4212 insertions, 0 deletions

diff --git a/packages/gtk+/gtk+-2.10.6/.mtn2git_empty b/packages/gtk+/gtk+-2.10.6/.mtn2git_empty
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/packages/gtk+/gtk+-2.10.6/.mtn2git_empty
diff --git a/packages/gtk+/gtk+-2.10.6/automake-lossage.patch b/packages/gtk+/gtk+-2.10.6/automake-lossage.patch
new file mode 100644
index 0000000000..0d423ddbb9
--- /dev/null
+++ b/packages/gtk+/gtk+-2.10.6/automake-lossage.patch
@@ -0,0 +1,24 @@
+--- gtk+-2.4.1/docs/tutorial/Makefile.am~	2003-05-06 22:54:20.000000000 +0100
++++ gtk+-2.4.1/docs/tutorial/Makefile.am	2004-05-08 12:31:41.000000000 +0100
+@@ -52,21 +52,5 @@
+ 
+ dist-hook: html
+ 	cp -Rp $(srcdir)/html $(distdir)
+-else
+-html:
+-	echo "***"
+-	echo "*** Warning: Tutorial not built"
+-	echo "***"
+-
+-pdf:
+-	echo "***"
+-	echo "*** Warning: Tutorial not built"
+-	echo "***"
+-
+-dist-hook:
+-	echo "***"
+-	echo "*** Warning: Tutorial not built"
+-	echo "*** DISTRIBUTION IS INCOMPLETE"
+-	echo "***"
+ endif
+ 
diff --git a/packages/gtk+/gtk+-2.10.6/disable-print.patch b/packages/gtk+/gtk+-2.10.6/disable-print.patch
new file mode 100644
index 0000000000..1067773f12
--- /dev/null
+++ b/packages/gtk+/gtk+-2.10.6/disable-print.patch
@@ -0,0 +1,50 @@
+--- gtk+-2.10.0/configure.in~	2006-07-05 18:11:44.000000000 +0200
++++ gtk+-2.10.0/configure.in	2006-07-05 18:11:44.000000000 +0200
+@@ -1539,26 +1539,27 @@
+ # Printing system checks
+ ################################################################
+ 
+-AC_PATH_PROG(CUPS_CONFIG, cups-config, no)
+-if test "x$CUPS_CONFIG" != "xno"; then
+-  CUPS_CFLAGS=`cups-config --cflags | sed 's/-O[0-9]*//' | sed 's/-m[^\t]*//g'`
+-  CUPS_LIBS=`cups-config --libs`
+-
+-  CUPS_API_VERSION=`cups-config --api-version`
+-  CUPS_API_MAJOR=`echo -n $CUPS_API_VERSION | awk -F. '{print $1}'`
+-  CUPS_API_MINOR=`echo -n $CUPS_API_VERSION | awk -F. '{print $2}'`
+-
+-  if test $CUPS_API_MAJOR -gt 1 -o \
+-          $CUPS_API_MAJOR -eq 1 -a $CUPS_API_MINOR -ge 2; then
+-    AC_DEFINE(HAVE_CUPS_API_1_2)
+-  fi
+-
+-  AC_SUBST(CUPS_API_MAJOR)
+-  AC_SUBST(CUPS_API_MINOR)
+-  AC_SUBST(CUPS_CFLAGS)
+-  AC_SUBST(CUPS_LIBS)
+-fi
+-AM_CONDITIONAL(HAVE_CUPS, test "x$CUPS_CONFIG" != "xno")
++#AC_PATH_PROG(CUPS_CONFIG, cups-config, no)
++#if test "x$CUPS_CONFIG" != "xno"; then
++#  CUPS_CFLAGS=`cups-config --cflags | sed 's/-O[0-9]*//' | sed 's/-m[^\t]*//g'`
++#  CUPS_LIBS=`cups-config --libs`
++#
++#  CUPS_API_VERSION=`cups-config --api-version`
++#  CUPS_API_MAJOR=`echo -n $CUPS_API_VERSION | awk -F. '{print $1}'`
++#  CUPS_API_MINOR=`echo -n $CUPS_API_VERSION | awk -F. '{print $2}'`
++#
++#  if test $CUPS_API_MAJOR -gt 1 -o \
++#          $CUPS_API_MAJOR -eq 1 -a $CUPS_API_MINOR -ge 2; then
++#   AC_DEFINE(HAVE_CUPS_API_1_2)
++# fi
++#
++#  AC_SUBST(CUPS_API_MAJOR)
++#  AC_SUBST(CUPS_API_MINOR)
++#  AC_SUBST(CUPS_CFLAGS)
++#  AC_SUBST(CUPS_LIBS)
++#fi
++#AM_CONDITIONAL(HAVE_CUPS, test "x$CUPS_CONFIG" != "xno")
++AM_CONDITIONAL(HAVE_CUPS,false)
+ 
+ gtk_save_cppflags="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $GTK_DEP_CFLAGS"
diff --git a/packages/gtk+/gtk+-2.10.6/disable-tooltips.patch b/packages/gtk+/gtk+-2.10.6/disable-tooltips.patch
new file mode 100644
index 0000000000..d71d839c3c
--- /dev/null
+++ b/packages/gtk+/gtk+-2.10.6/disable-tooltips.patch
@@ -0,0 +1,11 @@
+--- gtk+-2.4.3/gtk/gtktooltips.c.old	2004-07-04 18:52:04.000000000 +0100
++++ gtk+-2.4.3/gtk/gtktooltips.c	2004-07-04 18:52:08.000000000 +0100
+@@ -118,7 +118,7 @@
+   tooltips->tips_data_list = NULL;
+   
+   tooltips->delay = DEFAULT_DELAY;
+-  tooltips->enabled = TRUE;
++  tooltips->enabled = FALSE;
+   tooltips->timer_tag = 0;
+   tooltips->use_sticky_delay = FALSE;
+   tooltips->last_popdown.tv_sec = -1;
diff --git a/packages/gtk+/gtk+-2.10.6/gtk+-handhelds.patch b/packages/gtk+/gtk+-2.10.6/gtk+-handhelds.patch
new file mode 100644
index 0000000000..20481f059b
--- /dev/null
+++ b/packages/gtk+/gtk+-2.10.6/gtk+-handhelds.patch
@@ -0,0 +1,236 @@
+--- gtk+-2.4.1/gtk/gtkarrow.c	2004-03-13 09:51:13.000000000 +1100
++++ gtk+-2.4.1/gtk/gtkarrow.c	2004-05-26 14:52:17.000000000 +1000
+@@ -29,7 +29,7 @@
+ #include "gtkarrow.h"
+ #include "gtkintl.h"
+ 
+-#define MIN_ARROW_SIZE  15
++#define MIN_ARROW_SIZE  7
+ 
+ enum {
+   PROP_0,
+@@ -53,6 +53,8 @@
+ 				    guint            prop_id,
+ 				    GValue          *value,
+ 				    GParamSpec      *pspec);
++static void gtk_arrow_size_request (GtkWidget *arrow, 
++				    GtkRequisition *requisition);
+ 
+ GType
+ gtk_arrow_get_type (void)
+@@ -111,6 +113,7 @@
+                                                       G_PARAM_READABLE | G_PARAM_WRITABLE));
+   
+   widget_class->expose_event = gtk_arrow_expose;
++  widget_class->size_request = gtk_arrow_size_request;
+ }
+ 
+ static void
+@@ -166,13 +169,18 @@
+ }
+ 
+ static void
++gtk_arrow_size_request (GtkWidget *arrow, 
++			GtkRequisition *requisition)
++{
++  requisition->width = MIN_ARROW_SIZE + GTK_MISC (arrow)->xpad * 2;
++  requisition->height = MIN_ARROW_SIZE + GTK_MISC (arrow)->ypad * 2;
++}
++
++static void
+ gtk_arrow_init (GtkArrow *arrow)
+ {
+   GTK_WIDGET_SET_FLAGS (arrow, GTK_NO_WINDOW);
+ 
+-  GTK_WIDGET (arrow)->requisition.width = MIN_ARROW_SIZE + GTK_MISC (arrow)->xpad * 2;
+-  GTK_WIDGET (arrow)->requisition.height = MIN_ARROW_SIZE + GTK_MISC (arrow)->ypad * 2;
+-
+   arrow->arrow_type = GTK_ARROW_RIGHT;
+   arrow->shadow_type = GTK_SHADOW_OUT;
+ }
+--- gtk+-2.4.1/gtk/gtkcalendar.c	2004-03-06 14:37:26.000000000 +1100
++++ gtk+-2.4.1/gtk/gtkcalendar.c	2004-05-26 14:58:57.000000000 +1000
+@@ -340,6 +340,9 @@
+ static void gtk_calendar_select_and_focus_day (GtkCalendar *calendar,
+ 					       guint        day);
+ 
++static void gtk_calendar_do_select_day (GtkCalendar *calendar,
++					guint	      day);
++
+ static void gtk_calendar_paint_arrow	(GtkWidget    *widget,
+ 					 guint	       arrow);
+ static void gtk_calendar_paint_day_num	(GtkWidget    *widget,
+@@ -861,13 +864,13 @@
+   if (month_len < calendar->selected_day)
+     {
+       calendar->selected_day = 0;
+-      gtk_calendar_select_day (calendar, month_len);
++      gtk_calendar_do_select_day (calendar, month_len);
+     }
+   else
+     {
+       if (calendar->selected_day < 0)
+ 	calendar->selected_day = calendar->selected_day + 1 + month_length[leap (calendar->year)][calendar->month + 1];
+-      gtk_calendar_select_day (calendar, calendar->selected_day);
++      gtk_calendar_do_select_day (calendar, calendar->selected_day);
+     }
+ 
+   gtk_widget_queue_draw (GTK_WIDGET (calendar));
+@@ -908,10 +911,10 @@
+   if (month_len < calendar->selected_day)
+     {
+       calendar->selected_day = 0;
+-      gtk_calendar_select_day (calendar, month_len);
++      gtk_calendar_do_select_day (calendar, month_len);
+     }
+   else
+-    gtk_calendar_select_day (calendar, calendar->selected_day);
++    gtk_calendar_do_select_day (calendar, calendar->selected_day);
+ 
+   gtk_widget_queue_draw (GTK_WIDGET (calendar));
+   gtk_calendar_thaw (calendar);
+@@ -939,10 +942,10 @@
+   if (month_len < calendar->selected_day)
+     {
+       calendar->selected_day = 0;
+-      gtk_calendar_select_day (calendar, month_len);
++      gtk_calendar_do_select_day (calendar, month_len);
+     }
+   else
+-    gtk_calendar_select_day (calendar, calendar->selected_day);
++    gtk_calendar_do_select_day (calendar, calendar->selected_day);
+   
+   gtk_widget_queue_draw (GTK_WIDGET (calendar));
+   gtk_calendar_thaw (calendar);
+@@ -974,10 +977,10 @@
+   if (month_len < calendar->selected_day)
+     {
+       calendar->selected_day = 0;
+-      gtk_calendar_select_day (calendar, month_len);
++      gtk_calendar_do_select_day (calendar, month_len);
+     }
+   else
+-    gtk_calendar_select_day (calendar, calendar->selected_day);
++    gtk_calendar_do_select_day (calendar, calendar->selected_day);
+   
+   gtk_widget_queue_draw (GTK_WIDGET (calendar));
+   gtk_calendar_thaw (calendar);
+@@ -2480,9 +2483,9 @@
+   return TRUE;
+ }
+ 
+-void
+-gtk_calendar_select_day (GtkCalendar *calendar,
+-			 guint	      day)
++static void
++gtk_calendar_do_select_day (GtkCalendar *calendar,
++			    guint	      day)
+ {
+   g_return_if_fail (GTK_IS_CALENDAR (calendar));
+   g_return_if_fail (day <= 31);
+@@ -2499,6 +2502,13 @@
+       if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (calendar)))
+ 	gtk_calendar_paint_day_num (GTK_WIDGET (calendar), selected_day);
+     }
++}
++
++void
++gtk_calendar_select_day (GtkCalendar *calendar,
++			 guint	      day)
++{
++  gtk_calendar_do_select_day (calendar, day);
+   
+   calendar->selected_day = day;
+   
+--- gtk+-2.4.1/gtk/gtkentry.c	2004-04-22 08:08:08.000000000 +1000
++++ gtk+-2.4.1/gtk/gtkentry.c	2004-05-26 14:52:17.000000000 +1000
+@@ -557,6 +557,15 @@
+ 						       0.0,
+ 						       G_PARAM_READABLE | G_PARAM_WRITABLE));
+   
++  gtk_widget_class_install_style_property (widget_class,
++					   g_param_spec_int ("min_width",
++                                                             _("Minimum width"),
++                                                             _("Minimum width of the entry field"),
++                                                             0,
++                                                             G_MAXINT,
++                                                             MIN_ENTRY_WIDTH,
++                                                             G_PARAM_READABLE));
++
+   signals[POPULATE_POPUP] =
+     g_signal_new ("populate_popup",
+ 		  G_OBJECT_CLASS_TYPE (gobject_class),
+@@ -1124,7 +1133,7 @@
+ {
+   GtkEntry *entry = GTK_ENTRY (widget);
+   PangoFontMetrics *metrics;
+-  gint xborder, yborder;
++  gint xborder, yborder, min_width;
+   PangoContext *context;
+   
+   gtk_widget_ensure_style (widget);
+@@ -1140,9 +1149,11 @@
+   
+   xborder += INNER_BORDER;
+   yborder += INNER_BORDER;
+-  
++
++  gtk_widget_style_get (widget, "min_width", &min_width, NULL);
++
+   if (entry->width_chars < 0)
+-    requisition->width = MIN_ENTRY_WIDTH + xborder * 2;
++    requisition->width = min_width + xborder * 2;
+   else
+     {
+       gint char_width = pango_font_metrics_get_approximate_char_width (metrics);
+--- gtk+-2.4.1/gtk/gtkrange.c	2004-03-06 14:38:08.000000000 +1100
++++ gtk+-2.4.1/gtk/gtkrange.c	2004-05-26 14:52:17.000000000 +1000
+@@ -180,6 +180,7 @@
+ static GtkWidgetClass *parent_class = NULL;
+ static guint signals[LAST_SIGNAL];
+ 
++static GdkAtom recognize_protocols_atom, atom_atom;
+ 
+ GType
+ gtk_range_get_type (void)
+@@ -220,6 +221,9 @@
+   object_class = (GtkObjectClass*) class;
+   widget_class = (GtkWidgetClass*) class;
+ 
++  recognize_protocols_atom = gdk_atom_intern ("RECOGNIZE_PROTOCOLS", FALSE);
++  atom_atom = gdk_atom_intern ("ATOM", FALSE);
++
+   parent_class = g_type_class_peek_parent (class);
+ 
+   gobject_class->set_property = gtk_range_set_property;
+@@ -815,6 +819,12 @@
+ 					&attributes, attributes_mask);
+   gdk_window_set_user_data (range->event_window, range);
+ 
++  gdk_property_change (range->event_window,
++		       recognize_protocols_atom,
++		       atom_atom,
++		       32, GDK_PROP_MODE_REPLACE,
++		       NULL, 0);
++
+   widget->style = gtk_style_attach (widget->style, widget->window);
+ }
+ 
+@@ -1186,7 +1196,7 @@
+ 
+   /* ignore presses when we're already doing something else. */
+   if (range->layout->grab_location != MOUSE_OUTSIDE)
+-    return FALSE;
++    return TRUE;
+ 
+   range->layout->mouse_x = event->x;
+   range->layout->mouse_y = event->y;
+@@ -1364,7 +1374,7 @@
+       return TRUE;
+     }
+ 
+-  return FALSE;
++  return TRUE;
+ }
+ 
+ /**
diff --git a/packages/gtk+/gtk+-2.10.6/gtklabel-resize-patch b/packages/gtk+/gtk+-2.10.6/gtklabel-resize-patch
new file mode 100644
index 0000000000..df29656343
--- /dev/null
+++ b/packages/gtk+/gtk+-2.10.6/gtklabel-resize-patch
@@ -0,0 +1,10 @@
+--- gtk+-2.4.3/gtk/gtklabel.c~	2004-06-11 13:50:34.000000000 +0100
++++ gtk+-2.4.3/gtk/gtklabel.c	2004-07-05 13:33:57.000000000 +0100
+@@ -1623,6 +1623,7 @@
+ 
+   /* We have to clear the layout, fonts etc. may have changed */
+   gtk_label_clear_layout (label);
++  gtk_widget_queue_resize (GTK_WIDGET (label));
+ }
+ 
+ static void 
diff --git a/packages/gtk+/gtk+-2.10.6/hardcoded_libtool.patch b/packages/gtk+/gtk+-2.10.6/hardcoded_libtool.patch
new file mode 100644
index 0000000000..bdbdb32f97
--- /dev/null
+++ b/packages/gtk+/gtk+-2.10.6/hardcoded_libtool.patch
@@ -0,0 +1,29 @@
+--- gtk+-2.10.0/configure.in.orig	2006-07-07 09:31:34.000000000 +0100
++++ gtk+-2.10.0/configure.in	2006-07-07 09:32:49.000000000 +0100
+@@ -370,7 +370,7 @@
+ AC_MSG_CHECKING([Whether to write dependencies into .pc files])
+ case $enable_explicit_deps in
+   auto)
+-    deplibs_check_method=`(./libtool --config; echo eval echo \\$deplibs_check_method) | sh`
++    deplibs_check_method=`(./$host_alias-libtool --config; echo eval echo \\$deplibs_check_method) | sh`
+     if test "x$deplibs_check_method" '!=' xpass_all || test "x$enable_static" = xyes ; then
+       enable_explicit_deps=yes  
+     else
+@@ -768,7 +768,7 @@
+     dnl Now we check to see if our libtool supports shared lib deps
+     dnl (in a rather ugly way even)
+     if $dynworks; then
+-        pixbuf_libtool_config="${CONFIG_SHELL-/bin/sh} ./libtool --config"
++        pixbuf_libtool_config="${CONFIG_SHELL-/bin/sh} ./$host_alias-libtool --config"
+         pixbuf_deplibs_check=`$pixbuf_libtool_config | \
+             grep '^[[a-z_]]*check[[a-z_]]*_method=[['\''"]]' | \
+             sed 's/.*[['\''"]]\(.*\)[['\''"]]$/\1/'`
+@@ -1600,7 +1600,7 @@
+ #
+ # We are using gmodule-no-export now, but I'm leaving the stripping
+ # code in place for now, since pango and atk still require gmodule.
+-export_dynamic=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
++export_dynamic=`(./$host_alias-libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
+ if test -n "$export_dynamic"; then
+   GDK_PIXBUF_DEP_LIBS=`echo $GDK_PIXBUF_DEP_LIBS | sed -e "s/$export_dynamic//"`
+   GDK_PIXBUF_XLIB_DEP_LIBS=`echo $GDK_PIXBUF_XLIB_DEP_LIBS | sed -e "s/$export_dynamic//"`
diff --git a/packages/gtk+/gtk+-2.10.6/menu-deactivate.patch b/packages/gtk+/gtk+-2.10.6/menu-deactivate.patch
new file mode 100644
index 0000000000..cfb8849e9f
--- /dev/null
+++ b/packages/gtk+/gtk+-2.10.6/menu-deactivate.patch
@@ -0,0 +1,51 @@
+--- gtk+-2.10.0/gtk/gtkmenushell.c.orig	2006-07-05 17:17:34.000000000 +0200
++++ gtk+-2.10.0/gtk/gtkmenushell.c	2006-07-05 17:19:01.000000000 +0200
+@@ -42,7 +42,7 @@
+ #include "gtkintl.h"
+ #include "gtkalias.h"
+ 
+-#define MENU_SHELL_TIMEOUT   500
++#define MENU_SHELL_TIMEOUT   2000
+ 
+ #define PACK_DIRECTION(m)                                 \
+    (GTK_IS_MENU_BAR (m)                                   \
+@@ -203,6 +203,8 @@
+ 
+ G_DEFINE_TYPE (GtkMenuShell, gtk_menu_shell, GTK_TYPE_CONTAINER)
+ 
++static int last_crossing_time;
++
+ static void
+ gtk_menu_shell_class_init (GtkMenuShellClass *klass)
+ {
+@@ -517,6 +519,7 @@
+       gtk_grab_add (GTK_WIDGET (menu_shell));
+       menu_shell->have_grab = TRUE;
+       menu_shell->active = TRUE;
++      last_crossing_time = 0;
+     }
+ }
+ 
+@@ -669,6 +672,13 @@
+ 	  menu_shell->activate_time = 0;
+ 	  deactivate = FALSE;
+ 	}
++
++      if (last_crossing_time != 0
++	  && ((event->time - last_crossing_time) < 500))
++	{
++	  last_crossing_time = 0;
++	  deactivate = FALSE;
++	}
+       
+       if (deactivate)
+ 	{
+@@ -716,6 +726,8 @@
+     {
+       menu_item = gtk_get_event_widget ((GdkEvent*) event);
+ 
++      last_crossing_time = event->time;
++
+       if (!menu_item ||
+ 	  (GTK_IS_MENU_ITEM (menu_item) && 
+ 	   !_gtk_menu_item_is_selectable (menu_item)))
diff --git a/packages/gtk+/gtk+-2.10.6/migration.patch b/packages/gtk+/gtk+-2.10.6/migration.patch
new file mode 100644
index 0000000000..4ee786e688
--- /dev/null
+++ b/packages/gtk+/gtk+-2.10.6/migration.patch
@@ -0,0 +1,611 @@
+Index: configure.in
+===================================================================
+--- configure.in.orig	2006-10-03 17:54:09.000000000 +0100
++++ configure.in	2006-10-30 12:58:33.000000000 +0000
+@@ -1529,6 +1529,16 @@
+   GTK_EXTRA_CFLAGS="$msnative_struct"
+ fi
+ 
++AC_ARG_ENABLE(display-migration,
++	[AC_HELP_STRING([--enable-display-migration],
++			[include support for GPE_CHANGE_DISPLAY protocol])],
++	enable_migration=yes, enable_migration=no)
++if test "$enable_migration" = "yes"; then
++	AC_DEFINE([ENABLE_MIGRATION], 1, [Define if display migration is enabled])
++	GTK_DEP_LIBS="$GTK_DEP_LIBS -lgcrypt"
++fi
++AM_CONDITIONAL(ENABLE_MIGRATION, test $enable_migration = "yes")
++
+ AC_SUBST(GTK_PACKAGES)
+ AC_SUBST(GTK_EXTRA_LIBS)
+ AC_SUBST(GTK_EXTRA_CFLAGS)
+Index: gtk/Makefile.am
+===================================================================
+--- gtk/Makefile.am.orig	2006-10-02 18:27:53.000000000 +0100
++++ gtk/Makefile.am	2006-10-30 12:59:14.000000000 +0000
+@@ -589,6 +589,11 @@
+ 	gtkwindow-decorate.c    \
+ 	gtkwindow.c		\
+ 	$(gtk_clipboard_dnd_c_sources)
++
++if ENABLE_MIGRATION
++gtk_base_c_sources += gtkmigration.c
++endif
++
+ gtk_c_sources = $(gtk_base_c_sources)
+ gtk_all_c_sources = $(gtk_base_c_sources)
+ 
+Index: gtk/gtkmain.c
+===================================================================
+--- gtk/gtkmain.c.orig	2006-09-03 06:31:21.000000000 +0100
++++ gtk/gtkmain.c	2006-10-30 12:56:34.000000000 +0000
+@@ -507,6 +507,10 @@
+   _gtk_accel_map_init ();  
+   _gtk_rc_init ();
+ 
++#ifdef ENABLE_MIGRATION
++  gtk_migration_init ();
++#endif
++
+   /* Set the 'initialized' flag.
+    */
+   gtk_initialized = TRUE;
+Index: gtk/gtkmigration.c
+===================================================================
+--- /dev/null	1970-01-01 00:00:00.000000000 +0000
++++ gtk/gtkmigration.c	2006-10-30 12:56:34.000000000 +0000
+@@ -0,0 +1,529 @@
++/*
++ * Copyright (C) 2003, 2005 Philip Blundell <philb@gnu.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
++ * 2 of the License, or (at your option) any later version.
++ */
++
++#include <stdlib.h>
++#include <ctype.h>
++#include <libintl.h>
++#include <string.h>
++#include <assert.h>
++
++#include <X11/X.h>
++#include <X11/Xlib.h>
++#include <X11/Xatom.h>
++
++#include <gcrypt.h>
++
++#include "gtk.h"
++#include "gdk.h"
++#include "x11/gdkx.h"
++
++#define _(x) gettext(x)
++
++static GdkAtom string_gdkatom, display_change_gdkatom;
++static GdkAtom rsa_challenge_gdkatom;
++
++#define DISPLAY_CHANGE_SUCCESS			0
++#define DISPLAY_CHANGE_UNABLE_TO_CONNECT	1
++#define DISPLAY_CHANGE_NO_SUCH_SCREEN		2
++#define DISPLAY_CHANGE_AUTHENTICATION_BAD	3
++#define DISPLAY_CHANGE_INDETERMINATE_ERROR	4
++
++static gboolean no_auth;
++
++static GSList *all_widgets;
++
++static gboolean gtk_migration_initialised;
++
++#define CHALLENGE_LEN 64
++
++gchar *gtk_migration_auth_challenge_string;
++
++static unsigned char challenge_bytes[CHALLENGE_LEN];
++static unsigned long challenge_seq;
++
++#define hexbyte(x)  ((x) >= 10 ? (x) + 'a' - 10 : (x) + '0')
++
++struct rsa_key
++{
++  gcry_mpi_t n, e, d, p, q, u;
++};
++
++static gcry_mpi_t
++mpi_from_sexp (gcry_sexp_t r, char *tag)
++{
++  gcry_sexp_t s = gcry_sexp_find_token (r, tag, 0);
++  return gcry_sexp_nth_mpi (s, 1, GCRYMPI_FMT_USG);
++}
++
++static char *
++hex_from_mpi (gcry_mpi_t m)
++{
++  char *buf;
++  gcry_mpi_aprint (GCRYMPI_FMT_HEX, (void *)&buf, NULL, m);
++  return buf;
++}
++
++static void
++gtk_migration_crypt_create_hash (char *display, char *challenge, size_t len, char *result)
++{
++  size_t dlen = strlen (display);
++  gchar *buf = g_malloc (dlen + 1 + len);
++  strcpy (buf, display);
++  memcpy (buf + dlen + 1, challenge, len);
++  gcry_md_hash_buffer (GCRY_MD_SHA1, result, buf, len + dlen + 1);
++  g_free (buf);
++}
++
++static int
++do_encode_md (const unsigned char *digest, size_t digestlen, int algo,
++              unsigned int nbits, gcry_mpi_t *r_val)
++{
++  int nframe = (nbits+7) / 8;
++  unsigned char *frame;
++  int i, n;
++  unsigned char asn[100];
++  size_t asnlen;
++
++  asnlen = sizeof(asn);
++  if (gcry_md_algo_info (algo, GCRYCTL_GET_ASNOID, asn, &asnlen))
++    return -1;
++
++  if (digestlen + asnlen + 4  > nframe )
++    return -1;
++  
++  /* We encode the MD in this way:
++   *
++   *	   0  1 PAD(n bytes)   0  ASN(asnlen bytes)  MD(len bytes)
++   *
++   * PAD consists of FF bytes.
++   */
++  frame = g_malloc (nframe);
++  n = 0;
++  frame[n++] = 0;
++  frame[n++] = 1; /* block type */
++  i = nframe - digestlen - asnlen -3 ;
++  assert ( i > 1 );
++  memset ( frame+n, 0xff, i ); n += i;
++  frame[n++] = 0;
++  memcpy ( frame+n, asn, asnlen ); n += asnlen;
++  memcpy ( frame+n, digest, digestlen ); n += digestlen;
++  assert ( n == nframe );
++      
++  gcry_mpi_scan (r_val, GCRYMPI_FMT_USG, frame, nframe, &nframe);
++  g_free (frame);
++  return 0;
++}
++
++static gboolean
++gtk_migration_crypt_check_signature (struct rsa_key *k, char *hash, char *sigbuf)
++{
++  gcry_mpi_t mpi, mpi2;
++  gcry_sexp_t data, sig, key;
++  int rc;
++
++  do_encode_md (hash, 20, GCRY_MD_SHA1, 1024, &mpi);
++
++  gcry_sexp_build (&data, NULL, "(data (value %m))", mpi);
++  
++  gcry_mpi_release (mpi);
++
++  gcry_sexp_build (&key, NULL, "(public-key (rsa (n %m) (e %m)))", k->n, k->e);
++
++  if (gcry_mpi_scan (&mpi2, GCRYMPI_FMT_HEX, sigbuf, 0, NULL))
++    {
++      gcry_sexp_release (data);
++      return FALSE;
++    }
++
++  gcry_sexp_build (&sig, NULL, "(sig-val (rsa (s %m)))", mpi2);
++
++  rc = gcry_pk_verify (sig, data, key);
++
++  gcry_sexp_release (data);
++  gcry_sexp_release (key);
++  gcry_sexp_release (sig);
++  gcry_mpi_release (mpi2);
++
++  if (rc)
++    return FALSE;
++
++  return TRUE;
++}
++
++static void 
++gtk_migration_auth_update_challenge (void)
++{
++  int i;
++  unsigned char *p;
++
++  if (gtk_migration_auth_challenge_string == NULL)
++    gtk_migration_auth_challenge_string = g_malloc ((CHALLENGE_LEN * 2) + 9);
++
++  p = gtk_migration_auth_challenge_string;
++
++  for (i = 0; i < CHALLENGE_LEN; i++)
++    {
++      *p++ = hexbyte (challenge_bytes[i] >> 4);
++      *p++ = hexbyte (challenge_bytes[i] & 15);
++    }
++  
++  sprintf (p, "%08lx", challenge_seq++);
++}
++
++static void
++gtk_migration_auth_generate_challenge (void)
++{
++  gcry_randomize (challenge_bytes, sizeof (challenge_bytes), GCRY_STRONG_RANDOM);
++  gtk_migration_auth_update_challenge ();
++}
++
++static struct rsa_key *
++parse_pubkey (char *s)
++{
++  struct rsa_key *r;
++  gcry_mpi_t n, e;
++  gchar *sp;
++
++  sp = strtok (s, " \n");
++  gcry_mpi_scan (&e, GCRYMPI_FMT_HEX, sp, 0, NULL);
++  sp = strtok (NULL, " \n");
++  gcry_mpi_scan (&n, GCRYMPI_FMT_HEX, sp, 0, NULL);
++
++  r = g_malloc0 (sizeof (struct rsa_key));
++  r->e = e;
++  r->n = n;
++  return r;
++}
++
++static struct rsa_key *
++lookup_pubkey (u_int32_t id)
++{
++  const gchar *home_dir = g_get_home_dir ();
++  gchar *filename = g_strdup_printf ("%s/.gpe/migrate/public", home_dir);
++  FILE *fp = fopen (filename, "r");
++  struct rsa_key *r = NULL;
++
++  if (fp)
++    {
++      while (!feof (fp))
++	{
++	  char buffer[4096];
++	  if (fgets (buffer, 4096, fp))
++	    {
++	      char *p;
++	      u_int32_t this_id = strtoul (buffer, &p, 16);
++	      if (p != buffer && *p == ' ')
++		{
++#ifdef DEBUG
++		  fprintf (stderr, "found id %x\n", this_id);
++#endif
++		  if (this_id == id)
++		    {
++		      r = parse_pubkey (++p);
++		      break;
++		    }
++		}
++	    }
++	}
++      fclose (fp);
++    }
++
++  g_free (filename);
++  return r;
++}
++
++static void
++free_pubkey (struct rsa_key *k)
++{
++  gcry_mpi_release (k->n);
++  gcry_mpi_release (k->e);
++
++  g_free (k);
++}
++
++static gboolean
++gtk_migration_auth_validate_request (char *display, char *data)
++{
++  u_int32_t key_id;
++  char *ep;
++  char *p;
++  struct rsa_key *k;
++  char hash[20];
++  gboolean rc;
++
++  p = strchr (data, ' ');
++  if (p == NULL)
++    return FALSE;
++  *p++ = 0;
++
++  key_id = strtoul (data, &ep, 16);
++  if (*ep)
++    return FALSE;
++
++  k = lookup_pubkey (key_id);
++  if (k == NULL)
++    return FALSE;
++
++  gtk_migration_crypt_create_hash (display, gtk_migration_auth_challenge_string, 
++			   strlen (gtk_migration_auth_challenge_string), hash);
++
++  rc = gtk_migration_crypt_check_signature (k, hash, p);
++
++  free_pubkey (k);
++
++  return rc;
++}
++
++static int
++do_change_display (GtkWidget *w, char *display_name)
++{
++  GdkDisplay *newdisplay;
++  guint screen_nr = 1;
++  guint i;
++
++  if (display_name[0] == 0)
++    return DISPLAY_CHANGE_INDETERMINATE_ERROR;
++
++  i = strlen (display_name) - 1;
++  while (i > 0 && isdigit (display_name[i]))
++    i--;
++
++  if (display_name[i] == '.')
++    {
++      screen_nr = atoi (display_name + i + 1);
++      display_name[i] = 0;
++    }
++
++  newdisplay = gdk_display_open (display_name);
++  if (newdisplay)
++    {
++      GdkScreen *screen = gdk_display_get_screen (newdisplay, screen_nr);
++      if (screen)
++	{
++	  gtk_window_set_screen (GTK_WINDOW (w), screen);
++	  gdk_display_manager_set_default_display (gdk_display_manager_get (),
++						   newdisplay);
++	  return DISPLAY_CHANGE_SUCCESS;
++	}
++      else
++	return DISPLAY_CHANGE_NO_SUCH_SCREEN;
++    }
++
++  return DISPLAY_CHANGE_UNABLE_TO_CONNECT;
++}
++
++static void
++set_challenge_on_window (GdkWindow *window)
++{
++  gdk_property_change (window, rsa_challenge_gdkatom, string_gdkatom,
++		       8, GDK_PROP_MODE_REPLACE, gtk_migration_auth_challenge_string, 
++		       strlen (gtk_migration_auth_challenge_string));
++}
++
++static void
++update_challenge_on_windows (void)
++{
++  GSList *i;
++
++  gtk_migration_auth_update_challenge ();
++
++  for (i = all_widgets; i; i = i->next)
++    {
++      GtkWidget *w = GTK_WIDGET (i->data);
++      if (w->window)
++	set_challenge_on_window (w->window);
++    }
++}
++
++static void
++reset_state (GdkWindow *window)
++{
++  gdk_property_change (window, display_change_gdkatom, string_gdkatom,
++		       8, GDK_PROP_MODE_REPLACE, NULL, 0);
++}
++
++static void
++generate_response (GdkDisplay *gdisplay, Display *dpy, Window window, int code)
++{
++  XClientMessageEvent ev;
++  Atom atom = gdk_x11_atom_to_xatom_for_display (gdisplay, 
++						 display_change_gdkatom);
++  
++  memset (&ev, 0, sizeof (ev));
++  
++  ev.type = ClientMessage;
++  ev.window = window;
++  ev.message_type = atom;
++  ev.format = 32;
++  
++  ev.data.l[0] = window;
++  ev.data.l[1] = code;
++  
++  XSendEvent (dpy, DefaultRootWindow (dpy), False, SubstructureNotifyMask, (XEvent *)&ev);
++}
++
++static int
++handle_request (GdkWindow *gwindow, char *prop)
++{
++  GtkWidget *widget;
++  char *target, *auth_method, *auth_data;
++  char *p;
++
++  target = prop;
++  auth_method = "NULL";
++  auth_data = NULL;
++
++  p = strchr (prop, ' ');
++  if (p)
++    {
++      *p = 0;
++      auth_method = ++p;
++      
++      p = strchr (p, ' ');
++      if (p)
++	{
++	  *p = 0;
++	  auth_data = ++p;
++	}
++    }
++
++  if (no_auth == FALSE)
++    {
++      if (!strcasecmp (auth_method, "null"))
++	return DISPLAY_CHANGE_AUTHENTICATION_BAD;
++      else if (!strcasecmp (auth_method, "rsa-sig"))
++	{
++	  if (gtk_migration_auth_validate_request (target, auth_data) == FALSE)
++	    return DISPLAY_CHANGE_AUTHENTICATION_BAD;
++	}
++      else
++	return DISPLAY_CHANGE_AUTHENTICATION_BAD;
++    }
++
++  gdk_window_get_user_data (gwindow, (gpointer*) &widget);
++
++  if (widget)
++    return do_change_display (widget, target);
++
++  return DISPLAY_CHANGE_INDETERMINATE_ERROR;
++}
++
++static GdkFilterReturn 
++filter_func (GdkXEvent *xevp, GdkEvent *ev, gpointer p)
++{
++  XPropertyEvent *xev = (XPropertyEvent *)xevp;
++
++  if (xev->type == PropertyNotify)
++    {
++      GdkDisplay *gdisplay;
++      Atom atom;
++
++      gdisplay = gdk_x11_lookup_xdisplay (xev->display);
++      if (gdisplay)
++	{
++	  atom = gdk_x11_atom_to_xatom_for_display (gdisplay, display_change_gdkatom);
++
++	  if (xev->atom == atom)
++	    {
++	      GdkWindow *gwindow;
++	      
++	      gwindow = gdk_window_lookup_for_display (gdisplay, xev->window);
++	      
++	      if (gwindow)
++		{
++		  GdkAtom actual_type;
++		  gint actual_format;
++		  gint actual_length;
++		  unsigned char *prop = NULL;
++		  
++		  if (gdk_property_get (gwindow, display_change_gdkatom, string_gdkatom,
++					0, G_MAXLONG, FALSE,