Initial releaseHEADsubmit/master/20120920.1509352.0_alphamaster2.0alpha

Change-Id: I0736f126be88ae94efb6698b91de356c16357e52

1 files changed, 1607 insertions, 0 deletions

diff --git a/common/gstdoc-scangobj b/common/gstdoc-scangobj
new file mode 100755
index 0000000..90ba889
--- /dev/null
+++ b/common/gstdoc-scangobj
@@ -0,0 +1,1607 @@
+#!/usr/bin/perl -w
+# -*- cperl -*-
+#
+# gtk-doc - GTK DocBook documentation generator.
+# Copyright (C) 1998  Damon Chaplin
+#
+# 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.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+
+#
+# This gets information about object heirarchies and signals
+# by compiling a small C program. CFLAGS and LDFLAGS must be
+# set appropriately before running this script.
+#
+# NOTE: the lookup_signal_arg_names() function contains the argument names of
+#       standard GTK signal handlers. This may need to be updated for new
+#       GTK signals or Gnome widget signals.
+
+use Getopt::Long;
+
+unshift @INC, '/usr/share/gtk-doc/data';
+require "gtkdoc-common.pl";
+
+# Options
+
+# name of documentation module
+my $MODULE;
+my $OUTPUT_DIR;
+my $PRINT_VERSION;
+my $PRINT_HELP;
+my $TYPE_INIT_FUNC="g_type_init ()";
+
+# --nogtkinit is deprecated, as it is the default now anyway.
+%optctl = (module => \$MODULE,
+           source => \$SOURCE,
+	   types => \$TYPES_FILE,
+	   nogtkinit => \$NO_GTK_INIT,
+	   'type-init-func' => \$TYPE_INIT_FUNC,
+	   'output-dir' => \$OUTPUT_DIR,
+	   'version' => \$PRINT_VERSION,
+	   'help' => \$PRINT_HELP);
+	   
+GetOptions(\%optctl, "module=s", "source=s", "types:s", "output-dir:s", "nogtkinit", "type-init-func:s", "version", "help");
+
+if ($NO_GTK_INIT) {
+  # Do nothing. This just avoids a warning.
+}
+
+if ($PRINT_VERSION) {
+    print "1.5\n";
+    exit 0;
+}
+
+if (!$MODULE) {
+    $PRINT_HELP = 1;
+}
+
+if ($PRINT_HELP) {
+    print "gstdoc-scangobj version 1.5\n";
+    print "\n--module=MODULE_NAME  Name of the doc module being parsed";
+    print "\n--source=SOURCE_NAME  Name of the source module for plugins";
+    print "\n--types=FILE          The name of the file to store the types in";
+    print "\n--type-init-func=FUNC The init function to call instead of g_type_init ()";
+    print "\n--output-dir=DIRNAME  The directory where the results are stored";
+    print "\n--version             Print the version of this program";
+    print "\n--help                Print this help\n";
+    exit 0;
+}
+
+$OUTPUT_DIR = $OUTPUT_DIR ? $OUTPUT_DIR : ".";
+
+# THOMAS: dynamic types; only use types file for headers
+ $TYPES_FILE = $TYPES_FILE ? $TYPES_FILE : "$OUTPUT_DIR/$MODULE.types";
+
+open (TYPES, $TYPES_FILE) || die "Cannot open $TYPES_FILE: $!\n";
+open (OUTPUT, ">$MODULE-scan.c") || die "Cannot open $MODULE-scan.c: $!\n";
+
+my $old_signals_filename = "$OUTPUT_DIR/$MODULE.signals";
+my $new_signals_filename = "$OUTPUT_DIR/$MODULE.signals.new";
+my $old_hierarchy_filename = "$OUTPUT_DIR/$MODULE.hierarchy";
+my $new_hierarchy_filename = "$OUTPUT_DIR/$MODULE.hierarchy.new";
+my $old_interfaces_filename = "$OUTPUT_DIR/$MODULE.interfaces";
+my $new_interfaces_filename = "$OUTPUT_DIR/$MODULE.interfaces.new";
+my $old_prerequisites_filename = "$OUTPUT_DIR/$MODULE.prerequisites";
+my $new_prerequisites_filename = "$OUTPUT_DIR/$MODULE.prerequisites.new";
+my $old_args_filename = "$OUTPUT_DIR/$MODULE.args";
+my $new_args_filename = "$OUTPUT_DIR/$MODULE.args.new";
+
+# write a C program to scan the types
+
+$includes = "";
+#@types = ();
+
+for (<TYPES>) {
+    if (/^#include/) {
+	$includes .= $_;
+#    } elsif (/^%/) {
+#	next;
+#    } elsif (/^\s*$/) {
+#	next;
+#    } else {
+#	chomp;
+#	push @types, $_;
+    }
+}
+
+#$ntypes = @types + 1;
+
+print OUTPUT <<EOT;
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+
+$includes
+#ifdef GTK_IS_WIDGET_CLASS
+#include <gtk/gtkversion.h>
+#endif
+GType *object_types = NULL;
+
+static GType *
+get_object_types (void)
+{
+    GList *plugins = NULL;
+    GList *factories = NULL;
+    GList *l;
+    GstElementFactory *factory = NULL;
+
+    gint i = 0;
+
+    /* get a list of features from plugins in our source module */
+    plugins = gst_registry_get_plugin_list (gst_registry_get_default());
+
+    while (plugins) {
+      GList *features;
+      GstPlugin *plugin;
+      const gchar *source;
+
+      plugin = (GstPlugin *) (plugins->data);
+      plugins = g_list_next (plugins);
+      source = gst_plugin_get_source (plugin);
+      /*g_print ("plugin: %s source: %s\\n", plugin->desc.name, source);*/
+      if (!source || strcmp (source, "$SOURCE") != 0) {
+        continue;
+      }
+      g_print ("plugin: %s source: %s\\n", plugin->desc.name, source);
+
+      features =
+          gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
+          plugin->desc.name);
+      while (features) {
+        GstPluginFeature *feature;
+        feature = GST_PLUGIN_FEATURE (features->data);
+        feature = gst_plugin_feature_load (feature);
+        if (!feature) {
+          g_warning ("Could not load plugin feature %s",
+                     gst_plugin_feature_get_name (feature));
+        }
+
+        if (GST_IS_ELEMENT_FACTORY (feature)) {
+          factory = GST_ELEMENT_FACTORY (feature);
+          factories = g_list_prepend (factories, factory);
+        }
+        features = g_list_next (features);
+      }
+    }
+
+    g_message ("number of element factories: %d", g_list_length (factories));
+
+    /* allocate the object_types array to hold them */
+    object_types = g_new0 (GType, g_list_length (factories)+1);
+
+    l = factories;
+    i = 0;
+
+    /* fill it */
+    while (l) {
+      GType type;
+      factory = GST_ELEMENT_FACTORY (l->data);
+      type = gst_element_factory_get_element_type (factory);
+      g_message ("adding type %p for factory %s", (void *) type, gst_element_factory_get_longname (factory));
+      object_types[i] = type;
+      i++;
+      l = g_list_next (l);
+    }
+    object_types[i] = 0;
+EOT
+
+print OUTPUT <<EOT;
+
+    /* Need to make sure all the types are loaded in and initialize
+     * their signals and properties.
+     */
+    for (i=0; object_types[i]; i++) {
+      if (G_TYPE_IS_CLASSED (object_types[i]))
+        g_type_class_ref (object_types[i]);
+        else {
+          g_warning ("not reffing type: %s", g_type_name (object_types[i]));
+        }
+    }
+
+    return object_types;
+}
+
+/*
+ * This uses GObject type functions to output signal prototypes and the object
+ * hierarchy.
+ */
+
+/* The output files */
+const gchar *signals_filename = "$new_signals_filename";
+const gchar *hierarchy_filename = "$new_hierarchy_filename";
+const gchar *interfaces_filename = "$new_interfaces_filename";
+const gchar *prerequisites_filename = "$new_prerequisites_filename";
+const gchar *args_filename = "$new_args_filename";
+
+
+static void output_signals (void);
+static void output_object_signals (FILE *fp,
+				   GType object_type);
+static void output_object_signal (FILE *fp,
+				  const gchar *object_class_name,
+				  guint signal_id);
+static const gchar * get_type_name (GType type,
+			            gboolean * is_pointer);
+static const gchar * get_gdk_event (const gchar * signal_name);
+static const gchar ** lookup_signal_arg_names (const gchar * type,
+					       const gchar * signal_name);
+
+static void output_object_hierarchy (void);
+static void output_hierarchy (FILE *fp,
+			      GType type,
+			      guint level);
+
+static void output_object_interfaces (void);
+static void output_interfaces (FILE *fp,
+			       GType type);
+
+static void output_interface_prerequisites (void);
+static void output_prerequisites (FILE *fp,
+			          GType type);
+
+static void output_args (void);
+static void output_object_args (FILE *fp, GType object_type);
+
+int
+main (int argc, char *argv[])
+{
+  /* Silence the compiler: */
+  if (argv != argv) argc = argc;
+
+  $TYPE_INIT_FUNC;
+
+  get_object_types ();
+
+  output_signals ();
+  output_object_hierarchy ();
+  output_object_interfaces ();
+  output_interface_prerequisites ();
+  output_args ();
+
+  return 0;
+}
+
+
+static void
+output_signals (void)
+{
+  FILE *fp;
+  gint i;
+
+  fp = fopen (signals_filename, "w");
+  if (fp == NULL)
+    {
+      g_warning ("Couldn't open output file: %s : %s", signals_filename, strerror(errno));
+      return;
+    }
+
+  for (i = 0; object_types[i]; i++)
+    output_object_signals (fp, object_types[i]);
+
+  fclose (fp);
+}
+
+static gint
+compare_signals (const void *a, const void *b)
+{
+  const guint *signal_a = a;
+  const guint *signal_b = b;
+
+  return strcmp (g_signal_name (*signal_a), g_signal_name (*signal_b));
+}
+
+/* This outputs all the signals of one object. */
+static void
+output_object_signals (FILE *fp, GType object_type)
+{
+  const gchar *object_class_name;
+  guint *signals, n_signals;
+  guint sig;
+
+  if (G_TYPE_IS_INSTANTIATABLE (object_type) ||
+      G_TYPE_IS_INTERFACE (object_type))
+    {
+
+      object_class_name = g_type_name (object_type);
+
+      signals = g_signal_list_ids (object_type, &n_signals);
+      qsort (signals, n_signals, sizeof (guint), compare_signals);
+
+      for (sig = 0; sig < n_signals; sig++)
+        {
+           output_object_signal (fp, object_class_name, signals[sig]);
+        }
+      g_free (signals);
+   }
+}
+
+
+/* This outputs one signal. */
+static void
+output_object_signal (FILE *fp,
+		      const gchar *object_name,
+		      guint signal_id)
+{
+  GSignalQuery query_info;
+  const gchar *type_name, *ret_type, *object_arg, *arg_name;
+  gchar *pos, *object_arg_lower;
+  gboolean is_pointer;
+  gchar ret_type_buffer[1024], buffer[1024];
+  guint i, param;
+  const gchar **arg_names;
+  gint param_num, widget_num, event_num, callback_num;
+  gint *arg_num;
+  gchar signal_name[128];
+  gchar flags[16];
+
+  /*  g_print ("Object: %s Signal: %u\\n", object_name, signal_id);*/
+
+  param_num = 1;
+  widget_num = event_num = callback_num = 0;
+
+  g_signal_query (signal_id, &query_info);
+
+  /* Output the return type and function name. */
+  ret_type = get_type_name (query_info.return_type & ~G_SIGNAL_TYPE_STATIC_SCOPE, &is_pointer);
+  sprintf (ret_type_buffer, "%s%s", ret_type, is_pointer ? "*" : "");
+
+  /* Output the signal object type and the argument name. We assume the
+     type is a pointer - I think that is OK. We remove "Gtk" or "Gnome" and
+     convert to lower case for the argument name. */
+  pos = buffer;
+  sprintf (pos, "%s ", object_name);
+  pos += strlen (pos);
+
+  if (!strncmp (object_name, "Gtk", 3))
+      object_arg = object_name + 3;
+  else if (!strncmp (object_name, "Gnome", 5))
+      object_arg = object_name + 5;
+  else
+      object_arg = object_name;
+
+  object_arg_lower = g_ascii_strdown (object_arg, -1);
+  sprintf (pos, "*%s\\n", object_arg_lower);
+  pos += strlen (pos);
+  if (!strncmp (object_arg_lower, "widget", 6))
+    widget_num = 2;
+  g_free(object_arg_lower);
+
+  /* Convert signal name to use underscores rather than dashes '-'. */
+  strcpy (signal_name, query_info.signal_name);
+  for (i = 0; signal_name[i]; i++)
+    {
+      if (signal_name[i] == '-')
+	signal_name[i] = '_';
+    }
+
+  /* Output the signal parameters. */
+  arg_names = lookup_signal_arg_names (object_name, signal_name);
+
+  for (param = 0; param < query_info.n_params; param++)
+    {
+      if (arg_names)
+	{
+	  sprintf (pos, "%s\\n", arg_names[param]);
+	  pos += strlen (pos);
+	}
+      else
+	{
+	  type_name = get_type_name (query_info.param_types[param] & ~G_SIGNAL_TYPE_STATIC_SCOPE, &is_pointer);
+
+	  /* Most arguments to the callback are called "arg1", "arg2", etc.
+	     GdkWidgets are called "widget", "widget2", ...
+	     GdkEvents are called "event", "event2", ...
+	     GtkCallbacks are called "callback", "callback2", ... */
+	  if (!strcmp (type_name, "GtkWidget"))
+	    {
+	      arg_name = "widget";
+	      arg_num = &widget_num;
+	    }
+	  else if (!strcmp (type_name, "GdkEvent"))
+	    {
+	      type_name = get_gdk_event (signal_name);
+	      arg_name = "event";
+	      arg_num = &event_num;
+	      is_pointer = TRUE;
+	    }
+	  else if (!strcmp (type_name, "GtkCallback")
+		   || !strcmp (type_name, "GtkCCallback"))
+	    {
+	      arg_name = "callback";
+	      arg_num = &callback_num;
+	    }
+	  else
+	    {
+	      arg_name = "arg";
+	      arg_num = &param_num;
+	    }
+	  sprintf (pos, "%s ", type_name);
+	  pos += strlen (pos);
+
+	  if (!arg_num || *arg_num == 0)
+	    sprintf (pos, "%s%s\\n", is_pointer ? "*" : " ", arg_name);
+	  else
+	    sprintf (pos, "%s%s%i\\n", is_pointer ? "*" : " ", arg_name,
+		     *arg_num);
+	  pos += strlen (pos);
+
+	  if (arg_num)
+	    {
+	      if (*arg_num == 0)
+		*arg_num = 2;
+	      else
+	        *arg_num += 1;
+	    }
+	}
+    }
+
+  pos = flags;
+  /* We use one-character flags for simplicity. */
+  if (query_info.signal_flags & G_SIGNAL_RUN_FIRST)
+    *pos++ = 'f';
+  if (query_info.signal_flags & G_SIGNAL_RUN_LAST)
+    *pos++ = 'l';
+  if (query_info.signal_flags & G_SIGNAL_RUN_CLEANUP)
+    *pos++ = 'c';
+  if (query_info.signal_flags & G_SIGNAL_NO_RECURSE)
+    *pos++ = 'r';
+  if (query_info.signal_flags & G_SIGNAL_DETAILED)
+    *pos++ = 'd';
+  if (query_info.signal_flags & G_SIGNAL_ACTION)
+    *pos++ = 'a';
+  if (query_info.signal_flags & G_SIGNAL_NO_HOOKS)
+    *pos++ = 'h';
+  *pos = 0;
+
+  fprintf (fp,
+	   "<SIGNAL>\\n<NAME>%s::%s</NAME>\\n<RETURNS>%s</RETURNS>\\n<FLAGS>%s</FLAGS>\\n%s</SIGNAL>\\n\\n",
+	   object_name, query_info.signal_name, ret_type_buffer, flags, buffer);
+}
+
+
+/* Returns the type name to use for a signal argument or return value, given
+   the GtkType from the signal info. It also sets is_pointer to TRUE if the
+   argument needs a '*' since it is a pointer. */
+static const gchar *
+get_type_name (GType type, gboolean * is_pointer)
+{
+  const gchar *type_name;
+
+  *is_pointer = FALSE;
+  type_name = g_type_name (type);
+
+  switch (type) {
+  case G_TYPE_NONE:
+  case G_TYPE_CHAR:
+  case G_TYPE_UCHAR:
+  case G_TYPE_BOOLEAN:
+  case G_TYPE_INT:
+  case G_TYPE_UINT:
+  case G_TYPE_LONG:
+  case G_TYPE_ULONG:
+  case G_TYPE_FLOAT:
+  case G_TYPE_DOUBLE:
+  case G_TYPE_POINTER:
+    /* These all have normal C type names so they are OK. */
+    return type_name;
+
+  case G_TYPE_STRING:
+    /* A GtkString is really a gchar*. */
+    *is_pointer = TRUE;
+    return "gchar";
+
+  case G_TYPE_ENUM:
+  case G_TYPE_FLAGS:
+    /* We use a gint for both of these. Hopefully a subtype with a decent
+       name will be registered and used instead, as GTK+ does itself. */
+    return "gint";
+
+  case G_TYPE_BOXED:
+    /* The boxed type shouldn't be used itself, only subtypes. Though we
+       return 'gpointer' just in case. */
+    return "gpointer";
+
+  case G_TYPE_PARAM:
+    /* A GParam is really a GParamSpec*. */
+    *is_pointer = TRUE;
+    return "GParamSpec";
+
+  default:
+    break;
+  }
+
+  /* For all GObject subclasses we can use the class name with a "*",
+     e.g. 'GtkWidget *'. */
+  if (g_type_is_a (type, G_TYPE_OBJECT))
+    *is_pointer = TRUE;
+
+  if (G_TYPE_IS_CLASSED (type))
+    *is_pointer = TRUE;
+
+  /* All boxed subtypes will be pointers as well. */
+  if (g_type_is_a (type, G_TYPE_BOXED))
+    *is_pointer = TRUE;
+
+  /* All pointer subtypes will be pointers as well. */
+  if (g_type_is_a (type, G_TYPE_POINTER))
+    *is_pointer = TRUE;
+
+  /* But enums are not */
+  if (g_type_is_a (type, G_TYPE_ENUM) ||
+      g_type_is_a (type, G_TYPE_FLAGS))
+    *is_pointer = FALSE;
+
+  return type_name;
+}
+
+
+static const gchar *
+get_gdk_event (const gchar * signal_name)
+{
+  static const gchar *GbGDKEvents[] =
+  {
+    "button_press_event", "GdkEventButton",
+    "button_release_event", "GdkEventButton",
+    "motion_notify_event", "GdkEventMotion",
+    "delete_event", "GdkEvent",
+    "destroy_event", "GdkEvent",
+    "expose_event", "GdkEventExpose",
+    "key_press_event", "GdkEventKey",
+    "key_release_event", "GdkEventKey",
+    "enter_notify_event", "GdkEventCrossing",
+    "leave_notify_event", "GdkEventCrossing",
+    "configure_event", "GdkEventConfigure",
+    "focus_in_event", "GdkEventFocus",
+    "focus_out_event", "GdkEventFocus",
+    "map_event", "GdkEvent",
+    "unmap_event", "GdkEvent",
+    "property_notify_event", "GdkEventProperty",
+    "selection_clear_event", "GdkEventSelection",
+    "selection_request_event", "GdkEventSelection",
+    "selection_notify_event", "GdkEventSelection",
+    "proximity_in_event", "GdkEventProximity",
+    "proximity_out_event", "GdkEventProximity",
+    "drag_begin_event", "GdkEventDragBegin",
+    "drag_request_event", "GdkEventDragRequest",
+    "drag_end_event", "GdkEventDragRequest",
+    "drop_enter_event", "GdkEventDropEnter",
+    "drop_leave_event", "GdkEventDropLeave",
+    "drop_data_available_event", "GdkEventDropDataAvailable",
+    "other_event", "GdkEventOther",
+    "client_event", "GdkEventClient",
+    "no_expose_event", "GdkEventNoExpose",
+    "visibility_notify_event", "GdkEventVisibility",
+    "window_state_event", "GdkEventWindowState",
+    "scroll_event", "GdkEventScroll",
+    NULL
+  };
+
+  gint i;
+
+  for (i = 0; GbGDKEvents[i]; i += 2)
+    {
+      if (!strcmp (signal_name, GbGDKEvents[i]))
+	return GbGDKEvents[i + 1];
+    }
+  return "GdkEvent";
+}
+
+
+/* This returns argument names to use for some known GTK signals.
+    It is passed a widget name, e.g. 'GtkCList' and a signal name, e.g.
+    'select_row' and it returns a pointer to an array of argument types and
+    names. */
+static const gchar **
+lookup_signal_arg_names (const gchar * type, const gchar * signal_name)
+{
+  /* Each arg array starts with the object type name and the signal name,
+     and then signal arguments follow. */
+  static const gchar *GbArgTable[][16] =
+  {
+    {"GtkCList", "select_row",
+     "gint             row",
+     "gint             column",
+     "GdkEventButton  *event"},
+    {"GtkCList", "unselect_row",
+     "gint             row",
+     "gint             column",
+     "GdkEventButton  *event"},
+    {"GtkCList", "click_column",
+     "gint             column"},
+
+    {"GtkCList", "resize_column",
+     "gint             column",
+     "gint             width"},
+
+    {"GtkCList", "extend_selection",
+     "GtkScrollType    scroll_type",
+     "gfloat           position",
+     "gboolean         auto_start_selection"},
+    {"GtkCList", "scroll_vertical",
+     "GtkScrollType    scroll_type",
+     "gfloat           position"},
+    {"GtkCList", "scroll_horizontal",
+     "GtkScrollType    scroll_type",
+     "gfloat           position"},
+
+    {"GtkCTree", "tree_select_row",
+     "GtkCTreeNode    *node",
+     "gint             column"},
+    {"GtkCTree", "tree_unselect_row",
+     "GtkCTreeNode    *node",
+     "gint             column"},
+    {"GtkCTree", "tree_expand",
+     "GtkCTreeNode    *node"},
+    {"GtkCTree", "tree_collapse",
+     "GtkCTreeNode    *node"},
+    {"GtkCTree", "tree_move",
+     "GtkCTreeNode    *node",
+     "GtkCTreeNode    *new_parent",
+     "GtkCTreeNode    *new_sibling"},
+    {"GtkCTree", "change_focus_row_expansion",
+     "GtkCTreeExpansionType expansion"},
+
+    {"GtkEditable", "insert_text",
+     "gchar           *new_text",
+     "gint             new_text_length",
+     "gint            *position"},
+    {"GtkEditable", "delete_text",
+     "gint             start_pos",
+     "gint             end_pos"},
+    {"GtkEditable", "set_editable",
+     "gboolean         is_editable"},
+    {"GtkEditable", "move_cursor",
+     "gint             x",
+     "gint             y"},
+    {"GtkEditable", "move_word",
+     "gint             num_words"},
+    {"GtkEditable", "move_page",
+     "gint             x",
+     "gint             y"},
+    {"GtkEditable", "move_to_row",
+     "gint             row"},
+    {"GtkEditable", "move_to_column",
+     "gint             column"},
+
+    {"GtkEditable", "kill_char",
+     "gint             direction"},
+    {"GtkEditable", "kill_word",
+     "gint             direction"},
+    {"GtkEditable", "kill_line",
+     "gint             direction"},
+
+
+    {"GtkInputDialog", "enable_device",
+     "GdkDevice       *deviceid"},
+    {"GtkInputDialog", "disable_device",
+     "GdkDevice       *deviceid"},
+
+    {"GtkListItem", "extend_selection",
+     "GtkScrollType    scroll_type",
+     "gfloat           position",
+     "gboolean         auto_start_selection"},
+    {"GtkListItem", "scroll_vertical",
+     "GtkScrollType    scroll_type",
+     "gfloat           position"},
+    {"GtkListItem", "scroll_horizontal",
+     "GtkScrollType    scroll_type",
+     "gfloat           position"},
+
+    {"GtkMenuShell", "move_current",
+     "GtkMenuDirectionType direction"},
+    {"GtkMenuShell", "activate_current",
+     "gboolean         force_hide"},
+
+
+    {"GtkNotebook", "switch_page",
+     "GtkNotebookPage *page",
+     "guint            page_num"},
+    {"GtkStatusbar", "text_pushed",
+     "guint            context_id",
+     "gchar           *text"},
+    {"GtkStatusbar", "text_popped",
+     "guint            context_id",
+     "gchar           *text"},
+    {"GtkTipsQuery", "widget_entered",
+     "GtkWidget       *widget",
+     "gchar           *tip_text",
+     "gchar           *tip_private"},
+    {"GtkTipsQuery", "widget_selected",
+     "GtkWidget       *widget",
+     "gchar           *tip_text",
+     "gchar           *tip_private",
+     "GdkEventButton  *event"},
+    {"GtkToolbar", "orientation_changed",
+     "GtkOrientation   orientation"},
+    {"GtkToolbar", "style_changed",
+     "GtkToolbarStyle  style"},
+    {"GtkWidget", "draw",
+     "GdkRectangle    *area"},
+    {"GtkWidget", "size_request",
+     "GtkRequisition  *requisition"},
+    {"GtkWidget", "size_allocate",
+     "GtkAllocation   *allocation"},
+    {"GtkWidget", "state_changed",
+     "GtkStateType     state"},
+    {"GtkWidget", "style_set",
+     "GtkStyle        *previous_style"},
+
+    {"GtkWidget", "install_accelerator",
+     "gchar           *signal_name",
+     "gchar            key",
+     "gint             modifiers"},
+
+    {"GtkWidget", "add_accelerator",
+     "guint            accel_signal_id",
+     "GtkAccelGroup   *accel_group",
+     "guint            accel_key",
+     "GdkModifierType  accel_mods",
+     "GtkAccelFlags    accel_flags"},
+
+    {"GtkWidget", "parent_set",
+     "GtkObject       *old_parent"},
+
+    {"GtkWidget", "remove_accelerator",
+     "GtkAccelGroup   *accel_group",
+     "guint            accel_key",
+     "GdkModifierType  accel_mods"},
+    {"GtkWidget", "debug_msg",
+     "gchar           *message"},
+    {"GtkWindow", "move_resize",
+     "gint            *x",
+     "gint            *y",
+     "gint             width",
+     "gint             height"},
+    {"GtkWindow", "set_focus",
+     "GtkWidget       *widget"},
+
+    {"GtkWidget", "selection_get",
+     "GtkSelectionData *data",
+     "guint            info",
+     "guint            time"},
+    {"GtkWidget", "selection_received",
+     "GtkSelectionData *data",
+     "guint            time"},
+
+    {"GtkWidget", "drag_begin",
+     "GdkDragContext  *drag_context"},
+    {"GtkWidget", "drag_end",
+     "GdkDragContext  *drag_context"},
+    {"GtkWidget", "drag_data_delete",
+     "GdkDragContext  *drag_context"},
+    {"GtkWidget", "drag_leave",
+     "GdkDragContext  *drag_context",
+     "guint            time"},
+    {"GtkWidget", "drag_motion",
+     "GdkDragContext  *drag_context",
+     "gint             x",
+     "gint             y",
+     "guint            time"},
+    {"GtkWidget", "drag_drop",
+     "GdkDragContext  *drag_context",
+     "gint             x",
+     "gint             y",
+     "guint            time"},
+    {"GtkWidget", "drag_data_get",
+     "GdkDragContext  *drag_context",
+     "GtkSelectionData *data",
+     "guint            info",
+     "guint            time"},
+    {"GtkWidget", "drag_data_received",
+     "GdkDragContext  *drag_context",
+     "gint             x",
+     "gint             y",
+     "GtkSelectionData *data",
+     "guint            info",
+     "guint            time"},
+
+    {NULL}
+  };
+
+  gint i;
+
+  for (i = 0; GbArgTable[i][0]; i++)
+    {
+#if 1
+      if (!strcmp (type, GbArgTable[i][0])
+	  && !strcmp (signal_name, GbArgTable[i][1]))
+	return &GbArgTable[i][2];
+#endif
+    }
+  return NULL;
+}
+
+/* This outputs the hierarchy of all objects which have been initialized,
+   i.e. by calling their XXX_get_type() initialization function. */
+static void
+output_object_hierarchy (void)
+{
+  FILE *fp;
+  gint i;
+
+  fp = fopen (hierarchy_filename, "w");
+  if (fp == NULL)
+    {
+      g_warning ("Couldn't open output file: %s : %s", hierarchy_filename, strerror(errno));
+      return;
+    }
+  output_hierarchy (fp, G_TYPE_OBJECT, 0);
+  output_hierarchy (fp, G_TYPE_INTERFACE, 0);
+  
+  for (i=0; object_types[i]; i++) {
+    if (!g_type_parent (object_types[i]) &&
+      (object_types[i] != G_TYPE_NONE) &&
+      (object_types[i] != G_TYPE_OBJECT) &&
+      (object_types[i] != G_TYPE_INTERFACE)
+    ) {
+      g_warning ("printing hierarchy for root type: %s",
+          g_type_name (object_types[i]));
+      output_hierarchy (fp, object_types[i], 0);
+    }
+  }
+  /* for debugging
+  for (i=0; object_types[i]; i++) {
+    if(object_types[i] != G_TYPE_NONE) {
+      g_print ("type has not been added to hierarchy: %s\\n",
+        g_type_name (object_types[i]));
+    }
+  }
+  for debugging */
+
+  fclose (fp);
+}
+
+/* This is called recursively to output the hierarchy of a widget. */
+static void
+output_hierarchy (FILE  *fp,
+		  GType  type,
+		  guint   level)
+{
+  guint i;
+  GType *children;
+  guint n_children;
+
+  if (!type)
+    return;
+
+  /* for debugging
+  for (i=0; object_types[i]; i++) {
+    if(object_types[i] == type) {
+      g_print ("added type to hierarchy (level %d): %s\\n",
+        level, g_type_name (type));
+      object_types[i] = G_TYPE_NONE;
+      break;
+    }
+  }
+  for debugging */
+
+  for (i = 0; i < level; i++)
+    fprintf (fp, "  ");
+  fprintf (fp, g_type_name (type));
+  fprintf (fp, "\\n");
+
+  children = g_type_children (type, &n_children);
+
+  for (i=0; i < n_children; i++) {
+    output_hierarchy (fp, children[i], level + 1);
+  }
+
+  g_free (children);
+}
+
+static void output_object_interfaces (void)
+{
+  guint i;
+  FILE *fp;
+
+  fp = fopen (interfaces_filename, "w");
+  if (fp == NULL)
+    {
+      g_warning ("Couldn't open output file: %s : %s", interfaces_filename, strerror(errno));
+      return;
+    }
+  output_interfaces (fp, G_TYPE_OBJECT);
+
+  for (i = 0; object_types[i]; i++)
+    {
+      if (!g_type_parent (object_types[i]) &&
+          (object_types[i] != G_TYPE_OBJECT) &&
+          G_TYPE_IS_INSTANTIATABLE (object_types[i]))
+        {
+          output_interfaces (fp, object_types[i]);
+        }
+    }
+  fclose (fp);
+}
+
+static void
+output_interfaces (FILE  *fp,
+		   GType  type)
+{
+  guint i;
+  GType *children, *interfaces;
+  guint n_children, n_interfaces;
+
+  if (!type)
+    return;
+
+  interfaces = g_type_interfaces (type, &n_interfaces);
+
+  if (n_interfaces > 0)
+    {
+      fprintf (fp, g_type_name (type));
+      for (i=0; i < n_interfaces; i++)
+          fprintf (fp, " %s", g_type_name (interfaces[i]));
+      fprintf (fp, "\\n");
+     }
+  g_free (interfaces);
+
+  children = g_type_children (type, &n_children);
+
+  for (i=0; i < n_children; i++)
+    output_interfaces (fp, children[i]);
+
+  g_free (children);
+}
+
+static void output_interface_prerequisites (void)
+{
+  FILE *fp;
+
+  fp = fopen (prerequisites_filename, "w");
+  if (fp == NULL)
+    {
+      g_warning ("Couldn't open output file: %s : %s", prerequisites_filename, strerror(errno));
+      return;
+    }
+  output_prerequisites (fp, G_TYPE_INTERFACE);
+  fclose (fp);
+}
+
+static void
+output_prerequisites (FILE  *fp,
+		      GType  type)
+{
+#if GLIB_CHECK_VERSION(2,1,0)
+  guint i;
+  GType *children, *prerequisites;
+  guint n_children, n_prerequisites;
+
+  if (!type)
+    return;
+
+  prerequisites = g_type_interface_prerequisites (type, &n_prerequisites);
+
+  if (n_prerequisites > 0)
+    {
+      fprintf (fp, g_type_name (type));
+      for (i=0; i < n_prerequisites; i++)
+          fprintf (fp, " %s", g_type_name (prerequisites[i]));
+      fprintf (fp, "\\n");
+     }
+  g_free (prerequisites);
+
+  children = g_type_children (type, &n_children);
+
+  for (i=0; i < n_children; i++)
+    output_prerequisites (fp, children[i]);
+
+  g_free (children);
+#endif
+}
+
+static void
+output_args (void)
+{
+  FILE *fp;
+  gint i;
+
+  fp = fopen (args_filename, "w");
+  if (fp == NULL)
+    {
+      g_warning ("Couldn't open output file: %s : %s", args_filename, strerror(errno));
+      return;
+    }
+
+  for (i = 0; object_types[i]; i++) {
+    output_object_args (fp, object_types[i]);
+  }
+
+  fclose (fp);
+}
+
+static gint
+compare_param_specs (const void *a, const void *b)
+{
+  GParamSpec *spec_a = *(GParamSpec **)a;
+  GParamSpec *spec_b = *(GParamSpec **)b;
+
+  return strcmp (g_param_spec_get_name (spec_a), g_param_spec_get_name (spec_b));
+}
+
+/* Its common to have unsigned properties restricted
+ * to the signed range. Therefore we make this look
+ * a bit nicer by spelling out the max constants.
+ */
+
+/* Don't use "==" with floats, it might trigger a gcc warning.  */
+#define GTKDOC_COMPARE_FLOAT(x, y) (x <= y && x >= y)
+
+static gchar*
+describe_double_constant (gdouble value)
+{
+  gchar *desc;
+
+  if (GTKDOC_COMPARE_FLOAT (value, G_MAXDOUBLE))
+    desc = g_strdup ("G_MAXDOUBLE");
+  else if (GTKDOC_COMPARE_FLOAT (value, G_MINDOUBLE))
+    desc = g_strdup ("G_MINDOUBLE");
+  else if (GTKDOC_COMPARE_FLOAT (value, -G_MAXDOUBLE))
+    desc = g_strdup ("-G_MAXDOUBLE");
+  else if (GTKDOC_COMPARE_FLOAT (value, G_MAXFLOAT))
+    desc = g_strdup ("G_MAXFLOAT");
+  else if (GTKDOC_COMPARE_FLOAT (value, G_MINFLOAT))
+    desc = g_strdup ("G_MINFLOAT");
+  else if (GTKDOC_COMPARE_FLOAT (value, -G_MAXFLOAT))
+    desc = g_strdup ("-G_MAXFLOAT");
+  else
+    desc = g_strdup_printf ("%lg", value);
+
+  return desc;
+}
+
+static gchar*
+describe_signed_constant (gint64 value)
+{
+  gchar *desc;
+
+  if (value == G_MAXINT)
+    desc = g_strdup ("G_MAXINT");
+  else if (value == G_MININT)
+    desc = g_strdup ("G_MININT");
+  else if (value == G_MAXUINT)
+    desc = g_strdup ("G_MAXUINT");
+  else if (value == G_MAXLONG)
+    desc = g_strdup ("G_MAXLONG");
+  else if (value == G_MINLONG)
+    desc = g_strdup ("G_MINLONG");
+  else if (value == G_MAXULONG)
+    desc = g_strdup ("G_MAXULONG");
+  else if (value == G_MAXINT64)
+    desc = g_strdup ("G_MAXINT64");
+  else if (value == G_MININT64)
+    desc = g_strdup ("G_MININT64");
+  else
+    desc = g_strdup_printf ("%" G_GINT64_FORMAT, value);
+
+  return desc;
+}
+
+static gchar*
+describe_unsigned_constant (guint64 value)
+{
+  gchar *desc;
+
+  if (value == G_MAXINT)
+    desc = g_strdup ("G_MAXINT");
+  else if (value == G_MININT)
+    desc = g_strdup ("G_MININT");
+  else if (value == G_MAXUINT)
+    desc = g_strdup ("G_MAXUINT");
+  else if (value == G_MAXLONG)
+    desc = g_strdup ("G_MAXLONG");
+  else if (value == G_MINLONG)
+    desc = g_strdup ("G_MINLONG");
+  else if (value == G_MAXULONG)
+    desc = g_strdup ("G_MAXULONG");
+  else if (value == G_MAXINT64)
+    desc = g_strdup ("G_MAXINT64");
+  else if (value == G_MININT64)
+    desc = g_strdup ("G_MININT64");
+  else if (value == G_MAXUINT64)
+    desc = g_strdup ("G_MAXUINT64");
+  else
+    desc = g_strdup_printf ("%" G_GUINT64_FORMAT, value);
+
+  return desc;
+}
+
+static gchar*
+describe_type (GParamSpec *spec)
+{
+  gchar *desc;
+  gchar *lower;
+  gchar *upper;
+
+  if (G_IS_PARAM_SPEC_CHAR (spec))
+    {
+      GParamSpecChar *pspec = G_PARAM_SPEC_CHAR (spec);
+
+      lower = describe_signed_constant (pspec->minimum);
+      upper = describe_signed_constant (pspec->maximum);
+      if (pspec->minimum == G_MININT8 && pspec->maximum == G_MAXINT8)
+	desc = g_strdup ("");
+      else if (pspec->minimum == G_MININT8)
+	desc = g_strdup_printf ("<= %s", upper);
+      else if (pspec->maximum == G_MAXINT8)
+	desc = g_strdup_printf (">= %s", lower);
+      else
+	desc = g_strdup_printf ("[%s,%s]", lower, upper);
+      g_free (lower);
+      g_free (upper);
+    }
+  else if (G_IS_PARAM_SPEC_UCHAR (spec))
+    {
+      GParamSpecUChar *pspec = G_PARAM_SPEC_UCHAR (spec);
+
+      lower = describe_unsigned_constant (pspec->minimum);
+      upper = describe_unsigned_constant (pspec->maximum);
+      if (pspec->minimum == 0 && pspec->maximum == G_MAXUINT8)
+	desc = g_strdup ("");
+      else if (pspec->minimum == 0)
+	desc = g_strdup_printf ("<= %s", upper);
+      else if (pspec->maximum == G_MAXUINT8)
+	desc = g_strdup_printf (">= %s", lower);
+      else
+	desc = g_strdup_printf ("[%s,%s]", lower, upper);
+      g_free (lower);
+      g_free (upper);
+    }
+  else if (G_IS_PARAM_SPEC_INT (spec))
+    {
+      GParamSpecInt *pspec = G_PARAM_SPEC_INT (spec);
+
+      lower = describe_signed_constant (pspec->minimum);
+      upper = describe_signed_constant (pspec->maximum);
+      if (pspec->minimum == G_MININT && pspec->maximum == G_MAXINT)
+	desc = g_strdup ("");
+      else if (pspec->minimum == G_MININT)
+	desc = g_strdup_printf ("<= %s", upper);
+      else if (pspec->maximum == G_MAXINT)
+	desc = g_strdup_printf (">= %s", lower);
+      else
+	desc = g_strdup_printf ("[%s,%s]", lower, upper);
+      g_free (lower);
+      g_free (upper);
+    }
+  else if (G_IS_PARAM_SPEC_UINT (spec))
+    {
+      GParamSpecUInt *pspec = G_PARAM_SPEC_UINT (spec);
+
+      lower = describe_unsigned_constant (pspec->minimum);
+      upper = describe_unsigned_constant (pspec->maximum);
+      if (pspec->minimum == 0 && pspec->maximum == G_MAXUINT)
+	desc = g_strdup ("");
+      else if (pspec->minimum == 0)
+	desc = g_strdup_printf ("<= %s", upper);
+      else if (pspec->maximum == G_MAXUINT)
+	desc = g_strdup_printf (">= %s", lower);
+      else
+	desc = g_strdup_printf ("[%s,%s]", lower, upper);
+      g_free (lower);
+      g_free (upper);
+    }
+  else if (G_IS_PARAM_SPEC_LONG (spec))
+    {
+      GParamSpecLong *pspec = G_PARAM_SPEC_LONG (spec);
+
+      lower = describe_signed_constant (pspec->minimum);
+      upper = describe_signed_constant (pspec->maximum);
+      if (pspec->minimum == G_MINLONG && pspec->maximum == G_MAXLONG)
+	desc = g_strdup ("");
+      else if (pspec->minimum == G_MINLONG)
+	desc = g_strdup_printf ("<= %s", upper);
+      else if (pspec->maximum == G_MAXLONG)
+	desc = g_strdup_printf (">= %s", lower);
+      else
+	desc = g_strdup_printf ("[%s,%s]", lower, upper);
+      g_free (lower);
+      g_free (upper);
+    }
+  else if (G_IS_PARAM_SPEC_ULONG (spec))
+    {
+      GParamSpecULong *pspec = G_PARAM_SPEC_ULONG (spec);
+      gchar *upper;
+
+      lower = describe_unsigned_constant (pspec->minimum);
+      upper = describe_unsigned_constant (pspec->maximum);
+      if (pspec->minimum == 0 && pspec->maximum == G_MAXULONG)
+	desc = g_strdup ("");
+      else if (pspec->minimum == 0)
+	desc = g_strdup_printf ("<= %s", upper);
+      else if (pspec->maximum == G_MAXULONG)
+	desc = g_strdup_printf (">= %s", lower);
+      else
+	desc = g_strdup_printf ("[%s,%s]", lower, upper);
+      g_free (lower);
+      g_free (upper);
+    }
+  else if (G_IS_PARAM_SPEC_INT64 (spec))
+    {
+      GParamSpecInt64 *pspec = G_PARAM_SPEC_INT64 (spec);
+
+      lower = describe_signed_constant (pspec->minimum);
+      upper = describe_signed_constant (pspec->maximum);
+      if (pspec->minimum == G_MININT64 && pspec->maximum == G_MAXINT64)
+	desc = g_strdup ("");
+      else if (pspec->minimum == G_MININT64)
+	desc = g_strdup_printf ("<= %s", upper);
+      else if (pspec->maximum == G_MAXINT64)
+	desc = g_strdup_printf (">= %s", lower);
+      else
+	desc = g_strdup_printf ("[%s,%s]", lower, upper);
+      g_free (lower);
+      g_free (upper);
+    }
+  else if (G_IS_PARAM_SPEC_UINT64 (spec))
+    {
+      GParamSpecUInt64 *pspec = G_PARAM_SPEC_UINT64 (spec);
+
+      lower = describe_unsigned_constant (pspec->minimum);
+      upper = describe_unsigned_constant (pspec->maximum);
+      if (pspec->minimum == 0 && pspec->maximum == G_MAXUINT64)
+	desc = g_strdup ("");
+      else if (pspec->minimum == 0)
+	desc = g_strdup_printf ("<= %s", upper);
+      else if (pspec->maximum == G_MAXUINT64)
+	desc = g_strdup_printf (">= %s", lower);
+      else
+	desc = g_strdup_printf ("[%s,%s]", lower, upper);
+      g_free (lower);
+      g_free (upper);
+    }
+  else if (G_IS_PARAM_SPEC_FLOAT (spec))
+    {
+      GParamSpecFloat *pspec = G_PARAM_SPEC_FLOAT (spec);
+
+      lower = describe_double_constant (pspec->minimum);
+      upper = describe_double_constant (pspec->maximum);
+      if (GTKDOC_COMPARE_FLOAT (pspec->minimum, -G_MAXFLOAT))
+	{
+	  if (GTKDOC_COMPARE_FLOAT (pspec->maximum, G_MAXFLOAT))
+	    desc = g_strdup ("");
+	  else
+	    desc = g_strdup_printf ("<= %s", upper);
+	}
+      else if (GTKDOC_COMPARE_FLOAT (pspec->maximum, G_MAXFLOAT))
+	desc = g_strdup_printf (">= %s", lower);
+      else
+	desc = g_strdup_printf ("[%s,%s]", lower, upper);
+      g_free (lower);
+      g_free (upper);
+    }
+  else if (G_IS_PARAM_SPEC_DOUBLE (spec))
+    {
+      GParamSpecDouble *pspec = G_PARAM_SPEC_DOUBLE (spec);
+
+      lower = describe_double_constant (pspec->minimum);
+      upper = describe_double_constant (pspec->maximum);
+      if (GTKDOC_COMPARE_FLOAT (pspec->minimum, -G_MAXDOUBLE))
+	{
+	  if (GTKDOC_COMPARE_FLOAT (pspec->maximum, G_MAXDOUBLE))
+	    desc = g_strdup ("");
+	  else
+	    desc = g_strdup_printf ("<= %s", upper);
+	}
+      else if (GTKDOC_COMPARE_FLOAT (pspec->maximum, G_MAXDOUBLE))
+	desc = g_strdup_printf (">= %s", lower);
+      else
+	desc = g_strdup_printf ("[%s,%s]", lower, upper);
+      g_free (lower);
+      g_free (upper);
+    }
+  else
+    {
+      desc = g_strdup ("");
+    }
+
+  return desc;
+}
+
+static gchar*
+describe_default (GParamSpec *spec)
+{
+  gchar *desc;
+
+  if (G_IS_PARAM_SPEC_CHAR (spec))
+    {
+      GParamSpecChar *pspec = G_PARAM_SPEC_CHAR (spec);
+
+      desc = g_strdup_printf ("%d", pspec->default_value);
+    }
+  else if (G_IS_PARAM_SPEC_UCHAR (spec))
+    {
+      GParamSpecUChar *pspec = G_PARAM_SPEC_UCHAR (spec);
+
+      desc = g_strdup_printf ("%u", pspec->default_value);
+    }
+  else if (G_IS_PARAM_SPEC_BOOLEAN (spec))
+    {
+      GParamSpecBoolean *pspec = G_PARAM_SPEC_BOOLEAN (spec);
+
+      desc = g_strdup_printf ("%s", pspec->default_value ? "TRUE" : "FALSE");
+    }
+  else if (G_IS_PARAM_SPEC_INT (spec))
+    {
+      GParamSpecInt *pspec = G_PARAM_SPEC_INT (spec);
+
+      desc = g_strdup_printf ("%d", pspec->default_value);
+    }
+  else if (G_IS_PARAM_SPEC_UINT (spec))
+    {
+      GParamSpecUInt *pspec = G_PARAM_SPEC_UINT (spec);
+
+      desc = g_strdup_printf ("%u", pspec->default_value);
+    }
+  else if (G_IS_PARAM_SPEC_LONG (spec))
+    {
+      GParamSpecLong *pspec = G_PARAM_SPEC_LONG (spec);
+
+      desc = g_strdup_printf ("%ld", pspec->default_value);
+    }
+  else if (G_IS_PARAM_SPEC_LONG (spec))
+    {
+      GParamSpecULong *pspec = G_PARAM_SPEC_ULONG (spec);
+
+      desc = g_strdup_printf ("%lu", pspec->default_value);
+    }
+  else if (G_IS_PARAM_SPEC_INT64 (spec))
+    {
+      GParamSpecInt64 *pspec = G_PARAM_SPEC_INT64 (spec);
+
+      desc = g_strdup_printf ("%" G_GINT64_FORMAT, pspec->default_value);
+    }
+  else if (G_IS_PARAM_SPEC_UINT64 (spec))
+    {
+      GParamSpecUInt64 *pspec = G_PARAM_SPEC_UINT64 (spec);
+
+      desc = g_strdup_printf ("%" G_GUINT64_FORMAT, pspec->default_value);
+    }
+  else if (G_IS_PARAM_SPEC_UNICHAR (spec))
+    {
+      GParamSpecUnichar *pspec = G_PARAM_SPEC_UNICHAR (spec);
+
+      if (g_unichar_isprint (pspec->default_value))
+	desc = g_strdup_printf ("'%c'", pspec->default_value);
+      else
+	desc = g_strdup_printf ("%u", pspec->default_value);
+    }
+  else if (G_IS_PARAM_SPEC_ENUM (spec))
+    {
+      GParamSpecEnum *pspec = G_PARAM_SPEC_ENUM (spec);
+
+      GEnumValue *value = g_enum_get_value (pspec->enum_class, pspec->default_value);
+      if (value)
+	desc = g_strdup_printf ("%s", value->value_name);
+      else
+	desc = g_strdup_printf ("%d", pspec->default_value);
+    }
+  else if (G_IS_PARAM_SPEC_FLAGS (spec))
+    {
+      GParamSpecFlags *pspec = G_PARAM_SPEC_FLAGS (spec);
+      guint default_value;
+      GString *acc;
+
+      default_value = pspec->default_value;
+      acc = g_string_new ("");
+
+      while (default_value)
+	{
+	  GFlagsValue *value = g_flags_get_first_value (pspec->flags_class, default_value);
+
+	  if (!value)
+	    break;
+
+	  if (acc->len > 0)
+	    g_string_append (acc, "|");
+	  g_string_append (acc, value->value_name);
+
+	  default_value &= ~value->value;
+	}
+
+      if (default_value == 0)
+	desc = g_string_free (acc, FALSE);
+      else
+	{
+	  desc = g_strdup_printf ("%d", pspec->default_value);
+	  g_string_free (acc, TRUE);
+	}
+    }
+  else if (G_IS_PARAM_SPEC_FLOAT (spec))
+    {
+      GParamSpecFloat *pspec = G_PARAM_SPEC_FLOAT (spec);
+
+      desc = g_strdup_printf ("%g", pspec->default_value);
+    }
+  else if (G_IS_PARAM_SPEC_DOUBLE (spec))
+    {
+      GParamSpecDouble *pspec = G_PARAM_SPEC_DOUBLE (spec);
+
+      desc = g_strdup_printf ("%lg", pspec->default_value);
+    }
+  else if (G_IS_PARAM_SPEC_STRING (spec))
+    {
+      GParamSpecString *pspec = G_PARAM_SPEC_STRING (spec);
+
+      if (pspec->default_value)
+	{
+	  gchar *esc = g_strescape (pspec->default_value, NULL);
+
+	  desc = g_strdup_printf ("\\"%s\\"", esc);
+
+	  g_free (esc);
+	}
+      else
+	desc = g_strdup_printf ("NULL");
+    }
+  else
+    {
+      desc = g_strdup ("");
+    }
+
+  return desc;
+}
+
+
+static void
+output_object_args (FILE *fp, GType object_type)
+{
+  gpointer class;
+  const gchar *object_class_name;
+  guint arg;
+  gchar flags[16], *pos;
+  GParamSpec **properties;
+  guint n_properties;
+  gboolean child_prop;
+  gboolean style_prop;
+  gboolean is_pointer;
+  const gchar *type_name;
+  gchar *type_desc;
+  gchar *default_value;
+
+  if (G_TYPE_IS_OBJECT (object_type))
+    {
+      class = g_type_class_peek (object_type);
+      if (!class)
+	return;
+
+      properties = g_object_class_list_properties (class, &n_properties);
+    }
+#if GLIB_MAJOR_VERSION > 2 || (GLIB_MAJOR_VERSION == 2 && GLIB_MINOR_VERSION >= 3)
+  else if (G_TYPE_IS_INTERFACE (object_type))
+    {
+      class = g_type_default_interface_ref (object_type);
+
+      if (!class)
+	return;
+
+      properties = g_object_interface_list_properties (class, &n_properties);
+    }
+#endif
+  else
+    return;
+
+  object_class_name = g_type_name (object_type);
+
+  child_prop = FALSE;
+  style_prop = FALSE;
+
+  while (TRUE) {
+    qsort (properties, n_properties, sizeof (GParamSpec *), compare_param_specs);
+    for (arg = 0; arg < n_properties; arg++)
+      {
+        GParamSpec *spec = properties[arg];
+        const gchar *nick, *blurb, *dot;
+
+        if (spec->owner_type != object_type)
+          continue;
+
+        pos = flags;
+        /* We use one-character flags for simplicity. */
+        if (child_prop && !style_prop)
+   	  *pos++ = 'c';
+        if (style_prop)
+   	  *pos++ = 's';
+        if (spec->flags & G_PARAM_READABLE)
+ 	  *pos++ = 'r';
+        if (spec->flags & G_PARAM_WRITABLE)
+	  *pos++ = 'w';
+        if (spec->flags & G_PARAM_CONSTRUCT)
+	  *pos++ = 'x';
+        if (spec->flags & G_PARAM_CONSTRUCT_ONLY)
+	  *pos++ = 'X';
+        *pos = 0;
+
+        nick = g_param_spec_get_nick (spec);
+        blurb = g_param_spec_get_blurb (spec);
+
+        dot = "";
+        if (blurb) {
+          int str_len = strlen (blurb);
+          if (str_len > 0  && blurb[str_len - 1] != '.')
+            dot = ".";
+        }
+
+	type_desc = describe_type (spec);
+	default_value = describe_default (spec);
+	type_name = get_type_name (spec->value_type, &is_pointer);
+        fprintf (fp, "<ARG>\\n<NAME>%s::%s</NAME>\\n<TYPE>%s%s</TYPE>\\n<RANGE>%s</RANGE>\\n<FLAGS>%s</FLAGS>\\n<NICK>%s</NICK>\\n<BLURB>%s%s</BLURB>\\n<DEFAULT>%s</DEFAULT>\\n</ARG>\\n\\n",
+	         object_class_name, g_param_spec_get_name (spec), type_name, is_pointer ? "*" : "", type_desc, flags, nick ? nick : "(null)", blurb ? blurb : "(null)", dot, default_value);
+	g_free (type_desc);
+	g_free (default_value);
+      }
+
+    g_free (properties);
+
+#ifdef GTK_IS_CONTAINER_CLASS
+    if (!child_prop && GTK_IS_CONTAINER_CLASS (class)) {
+      properties = gtk_container_class_list_child_properties (class, &n_properties);
+      child_prop = TRUE;
+      continue;
+    }
+#endif
+
+#ifdef GTK_IS_WIDGET_CLASS
+#if GTK_CHECK_VERSION(2,1,0)
+    if (!style_prop && GTK_IS_WIDGET_CLASS (class)) {
+      properties = gtk_widget_class_list_style_properties (GTK_WIDGET_CLASS (class), &n_properties);
+      style_prop = TRUE;
+      continue;
+    }
+#endif
+#endif
+
+    break;
+  }
+}
+EOT
+
+close OUTPUT;
+
+# Compile and run our file
+
+$CC = $ENV{CC} ? $ENV{CC} : "gcc";
+$LD = $ENV{LD} ? $ENV{LD} : $CC;
+$CFLAGS = $ENV{CFLAGS} ? "$ENV{CFLAGS} -Wall -g" : "-Wall -g";
+$LDFLAGS = $ENV{LDFLAGS} ? $ENV{LDFLAGS} : "";
+
+my $o_file;
+if ($CC =~ /libtool/) {
+  $o_file  = "$MODULE-scan.lo"
+} else {
+  $o_file = "$MODULE-scan.o"
+}
+
+print "gtk-doc: Compiling scanner\n";
+$command = "$CC $CFLAGS -c -o $o_file $MODULE-scan.c";
+system($command) == 0 or die "Compilation of scanner failed: $!\n";
+
+print "gtk-doc: Linking scanner\n";
+$command = "$LD -o $MODULE-scan $o_file $LDFLAGS";
+system($command) == 0 or die "Linking of scanner failed: $!\n";
+
+print "gtk-doc: Running scanner $MODULE-scan\n";
+system("sh -c ./$MODULE-scan") == 0 or die "Scan failed: $!\n";
+
+unlink "./$MODULE-scan.c", "./$MODULE-scan.o", "./$MODULE-scan.lo", "./$MODULE-scan";
+
+#&UpdateFileIfChanged ($old_signals_filename, $new_signals_filename, 0);
+&UpdateFileIfChanged ($old_hierarchy_filename, $new_hierarchy_filename, 0);
+&UpdateFileIfChanged ($old_interfaces_filename, $new_interfaces_filename, 0);
+&UpdateFileIfChanged ($old_prerequisites_filename, $new_prerequisites_filename, 0);
+#&UpdateFileIfChanged ($old_args_filename, $new_args_filename, 0);
+
+