From c99f9050f296219783c6717efe319dc741d2e2d3 Mon Sep 17 00:00:00 2001
From: Thomas Vander Stichele <thomas@apestaart.org>
Date: Fri, 5 Aug 2005 17:12:58 +0000
Subject: [PATCH] first stab at documenting elements

Original commit message from CVS:
first stab at documenting elements
---
 Makefile.am         |    2 +-
 gstdoc-scangobj     | 1510 +++++++++++++++++++++++++++++++++++++++++++++++++++
 gtk-doc-plugins.mak |  245 +++++++++
 gtk-doc.mak         |    4 +-
 4 files changed, 1758 insertions(+), 3 deletions(-)
 create mode 100755 gstdoc-scangobj
 create mode 100644 gtk-doc-plugins.mak

diff --git a/Makefile.am b/Makefile.am
index 9b78636..3b6adf6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,3 @@
 SUBDIRS = m4
 
-EXTRA_DIST = ChangeLog gettext.patch glib-gen.mak gtk-doc.mak release.mak gst-autogen.sh
+EXTRA_DIST = ChangeLog gettext.patch glib-gen.mak gtk-doc.mak release.mak gst-autogen.sh gstdoc-scangobj
diff --git a/gstdoc-scangobj b/gstdoc-scangobj
new file mode 100755
index 0000000..6555ab0
--- /dev/null
+++ b/gstdoc-scangobj
@@ -0,0 +1,1510 @@
+#!/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 $TYPE_INIT_FUNC="g_type_init ()";
+
+# --nogtkinit is deprecated, as it is the default now anyway.
+%optctl = (module => \$MODULE,
+	   types => \$TYPES_FILE,
+	   nogtkinit => \$NO_GTK_INIT,
+	   'type-init-func' => \$TYPE_INIT_FUNC,
+	   'output-dir' => \$OUTPUT_DIR,
+	   'version' => \$PRINT_VERSION,
+	   'help' => \$PRINT_HELP);
+	   
+GetOptions(\%optctl, "module=s", "types:s", "output-dir:s", "nogtkinit", "type-init-func:s", "version", "help");
+
+if ($NO_GTK_INIT) {
+  # Do nothing. This just avoids a warning.
+}
+
+if ($PRINT_VERSION) {
+    print "1.3\n";
+    exit 0;
+}
+
+if (!$MODULE) {
+    $PRINT_HELP = 1;
+}
+
+if ($PRINT_HELP) {
+    print "gtkdoc-scangobj version 1.3\n";
+    print "\n--module=MODULE_NAME  Name of the doc module being parsed";
+    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>
+
+$includes
+#ifdef GTK_IS_WIDGET_CLASS
+#include <gtk/gtkversion.h>
+#endif
+gint num_object_types = 0;
+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 the number of types from the registry */
+    plugins = gst_registry_pool_plugin_list ();
+
+    while (plugins) {
+      GList *features;
+      GstPlugin *plugin;
+
+      plugin = (GstPlugin *) (plugins->data);
+      plugins = g_list_next (plugins);
+
+      features = gst_plugin_get_feature_list (plugin);
+      while (features) {
+        GstPluginFeature *feature;
+        feature = GST_PLUGIN_FEATURE (features->data);
+        if (!gst_plugin_feature_ensure_loaded (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_append (factories, factory);
+        }
+        features = g_list_next (features);
+      }
+    }
+
+    num_object_types = g_list_length (factories);
+    g_debug ("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));
+
+    l = factories;
+    i = 0;
+
+    /* fill it */
+    while (l) {
+      GType type;
+      factory = GST_ELEMENT_FACTORY (l->data);
+      g_debug ("adding type for factory %s", gst_element_factory_get_longname (factory));
+      type = gst_element_factory_get_element_type (factory);
+      g_debug ("adding type %p", (void *) type);
+      object_types[i] = type;
+      i++;
+      l = g_list_next (l);
+    }
+EOT
+
+print OUTPUT <<EOT;
+
+    /* Need to make sure all the types are loaded in and initialize
+     * their signals and properties.
+     */
+    g_debug ("class reffing");
+
+    for (i=0; i < num_object_types; i++) {
+      if (G_TYPE_IS_CLASSED (object_types[i]))
+        g_type_class_ref (object_types[i]);
+    }
+
+    return object_types;
+}
+
+/*
+ * This uses GTK type functions to output signal prototypes and the widget
+ * hierarchy.
+ */
+
+/* The output files */
+gchar *signals_filename = "$new_signals_filename";
+gchar *hierarchy_filename = "$new_hierarchy_filename";
+gchar *interfaces_filename = "$new_interfaces_filename";
+gchar *prerequisites_filename = "$new_prerequisites_filename";
+gchar *args_filename = "$new_args_filename";
+
+
+static void output_signals (void);
+static void output_widget_signals (FILE *fp,
+				   GType object_type);
+static void output_widget_signal (FILE *fp,
+				  GType object_type,
+				  const gchar *object_class_name,
+				  guint signal_id);
+static const gchar * get_type_name (GType type,
+			            gboolean * is_pointer);
+static gchar * get_gdk_event (const gchar * signal_name);
+static gchar ** lookup_signal_arg_names (const gchar * type,
+					 const gchar * signal_name);
+
+static void output_widget_hierarchy (void);
+static void output_hierarchy (FILE *fp,
+			      GType type,
+			      guint level);
+
+static void output_widget_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_widget_args (FILE *fp, GType object_type);
+
+int
+main (int argc, char *argv[])
+{
+  $TYPE_INIT_FUNC;
+
+  get_object_types ();
+
+  g_debug ("output signals");
+  output_signals ();
+  g_debug ("output widget hierarchy");
+  output_widget_hierarchy ();
+  output_widget_interfaces ();
+  output_interface_prerequisites ();
+  g_debug ("output args");
+  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", signals_filename);
+      return;
+    }
+
+  for (i = 0; i < num_object_types; i++)
+    output_widget_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 widget. */
+static void
+output_widget_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_widget_signal (fp, object_type, object_class_name,
+     		                 signals[sig]);
+        }
+      g_free (signals);
+   }
+}
+
+
+/* This outputs one signal. */
+static void
+output_widget_signal (FILE *fp,
+		      GType object_type,
+		      const gchar *object_name,
+		      guint signal_id)
+{
+  GSignalQuery query_info;
+  const gchar *type_name, *ret_type, *object_arg;
+  gchar *pos, *arg_name, *object_arg_lower;
+  gboolean is_pointer;
+  gchar ret_type_buffer[1024], buffer[1024];
+  guint i, param;
+  gchar **arg_names;
+  gint param_num, widget_num, event_num, callback_num;
+  gint *arg_num;
+  gchar signal_name[128];
+
+
+  /*  g_print ("Object: %s Type: %i Signal: %u\\n", object_name, object_type,
+      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;
+	    }
+	}
+    }
+
+  fprintf (fp,
+	   "<SIGNAL>\\n<NAME>%s::%s</NAME>\\n<RETURNS>%s</RETURNS>\\n%s</SIGNAL>\\n\\n",
+	   object_name, query_info.signal_name, ret_type_buffer, 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 GtkObject subclasses we can use the class name with a "*",
+     e.g. 'GtkWidget *'. */
+  if (g_type_is_a (type, G_TYPE_OBJECT))
+    *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;
+
+  return type_name;
+}
+
+
+static gchar *
+get_gdk_event (const gchar * signal_name)
+{
+  static 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 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 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 widgets which have been initialized,
+   i.e. by calling their XXX_get_type() initialization function. */
+static void
+output_widget_hierarchy (void)
+{
+  FILE *fp;
+
+  fp = fopen (hierarchy_filename, "w");
+  if (fp == NULL)
+    {
+      g_warning ("Couldn't open output file: %s", hierarchy_filename);
+      return;
+    }
+  output_hierarchy (fp, G_TYPE_OBJECT, 0);
+  output_hierarchy (fp, G_TYPE_INTERFACE, 0);
+  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 (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_widget_interfaces (void)
+{
+  FILE *fp;
+
+  fp = fopen (interfaces_filename, "w");
+  if (fp == NULL)
+    {
+      g_warning ("Couldn't open output file: %s", interfaces_filename);
+      return;
+    }
+  output_interfaces (fp, G_TYPE_OBJECT);
+  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", prerequisites_filename);
+      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", args_filename);
+      return;
+    }
+
+  for (i = 0; i < num_object_types; i++)
+    output_widget_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.
+ */
+
+static gchar*
+describe_double_constant (gdouble value)
+{
+  gchar *desc;
+
+  if (value == G_MAXDOUBLE)
+    desc = g_strdup ("G_MAXDOUBLE");
+  else if (value == G_MINDOUBLE)
+    desc = g_strdup ("G_MINDOUBLE");
+  else if (value == -G_MAXDOUBLE)
+    desc = g_strdup ("-G_MAXDOUBLE");
+  else if (value == G_MAXFLOAT)
+    desc = g_strdup ("G_MAXFLOAT");
+  else if (value == G_MINFLOAT)
+    desc = g_strdup ("G_MINFLOAT");
+  else if (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 (pspec->minimum == -G_MAXFLOAT && pspec->maximum == G_MAXFLOAT)
+	desc = g_strdup ("");
+      else if (pspec->minimum == -G_MAXFLOAT)
+	desc = g_strdup_printf ("<= %s", upper);
+      else if (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 (pspec->minimum == -G_MAXDOUBLE && pspec->maximum == G_MAXDOUBLE)
+	desc = g_strdup ("");
+      else if (pspec->minimum == -G_MAXDOUBLE)
+	desc = g_strdup_printf ("<= %s", upper);
+      else if (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_widget_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;
+  gchar *type_desc;
+  gchar *default_value;
+
+  if (G_TYPE_IS_CLASSED (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);
+        fprintf (fp, "<ARG>\\n<NAME>%s::%s</NAME>\\n<TYPE>%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), g_type_name (spec->value_type), 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} ? $ENV{CFLAGS} : "";
+$LDFLAGS = $ENV{LDFLAGS} ? $ENV{LDFLAGS} : "";
+
+my $o_file;
+if ($CC =~ /libtool/) {
+  $o_file  = "$MODULE-scan.lo"
+} else {
+  $o_file = "$MODULE-scan.o"
+}
+
+$command = "$CC $CFLAGS -c -o $o_file $MODULE-scan.c && $LD -o $MODULE-scan $o_file $LDFLAGS";
+
+system($command) == 0 or die "Compilation of scanner failed\n";
+
+system("./$MODULE-scan") == 0 or die "Scan failed\n";
+
+unlink "./$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);
+
+
diff --git a/gtk-doc-plugins.mak b/gtk-doc-plugins.mak
new file mode 100644
index 0000000..7addec9
--- /dev/null
+++ b/gtk-doc-plugins.mak
@@ -0,0 +1,245 @@
+###########################################################################
+# Everything below here is generic and you shouldn't need to change it.
+###########################################################################
+# thomas: except of course that we did
+
+# thomas: copied from glib-2
+# We set GPATH here; this gives us semantics for GNU make
+# which are more like other make's VPATH, when it comes to
+# whether a source that is a target of one rule is then
+# searched for in VPATH/GPATH.
+#
+GPATH = $(srcdir)
+
+# thomas: make docs parallel installable
+TARGET_DIR=$(HTML_DIR)/$(DOC_MODULE)-@GST_MAJORMINOR@
+
+EXTRA_DIST = 				\
+	$(content_files)		\
+	$(extra_files)			\
+	$(HTML_IMAGES)			\
+	$(DOC_MAIN_SGML_FILE)		\
+	$(DOC_OVERRIDES)		\
+	$(DOC_MODULE)-sections.txt
+
+DOC_STAMPS =				\
+	scan-build.stamp		\
+	tmpl-build.stamp		\
+	sgml-build.stamp		\
+	html-build.stamp		\
+	$(srcdir)/tmpl.stamp		\
+	$(srcdir)/sgml.stamp		\
+	$(srcdir)/html.stamp
+
+SCANOBJ_FILES =				\
+	$(DOC_MODULE).args		\
+	$(DOC_MODULE).hierarchy		\
+	$(DOC_MODULE).interfaces	\
+	$(DOC_MODULE).prerequisites	\
+	.libs/$(DOC_MODULE)-scan.o	\
+	$(DOC_MODULE).signals
+
+CLEANFILES = $(SCANOBJ_FILES) $(DOC_MODULE)-unused.txt $(DOC_STAMPS)
+
+if HAVE_GTK_DOC
+all-local: html-build.stamp
+
+#### scan ####
+
+# in the case of non-srcdir builds, the built gst directory gets added
+# to gtk-doc scanning; but only then, to avoid duplicates
+scan-build.stamp: $(HFILE_GLOB) $(SCANOBJ_DEPS) $(basefiles)
+	@echo '*** Scanning header files ***'
+	    if test x"$(srcdir)" != x. ; then				\
+	        cp $(srcdir)/$(DOC_MODULE).types . ;			\
+	        chmod u+w $(DOC_MODULE).types ;				\
+	    fi ;							\
+	    GST_PLUGIN_PATH=`cd $(top_builddir) && pwd`			\
+	    GST_PLUGIN_PATH_ONLY=1					\
+	    CC="$(GTKDOC_CC)" LD="$(GTKDOC_LD)" 			\
+	    CFLAGS="$(GTKDOC_CFLAGS)" LDFLAGS="$(GTKDOC_LIBS)"		\
+	    $(GST_DOC_SCANOBJ) --type-init-func="gst_init(NULL,NULL)"	\
+	        --module=$(DOC_MODULE) ;				\
+	if test "x$(top_srcdir)" != "x$(top_builddir)";			\
+        then								\
+          export BUILT_OPTIONS="--source-dir=$(top_builddir)/gst";	\
+        fi;								\
+	gtkdoc-scan							\
+		$(SCAN_OPTIONS) $(EXTRA_HFILES)				\
+		--module=$(DOC_MODULE)					\
+		$$BUILT_OPTIONS						\
+		--ignore-headers="$(IGNORE_HFILES)"
+	touch scan-build.stamp
+
+$(DOC_MODULE)-decl.txt $(SCANOBJ_FILES): scan-build.stamp
+	@true
+
+#### templates ####
+
+### FIXME: make this error out again when docs are fixed for 0.9
+tmpl-build.stamp: $(DOC_MODULE)-decl.txt $(SCANOBJ_FILES) $(DOC_MODULE)-sections.txt $(DOC_OVERRIDES)
+	@echo '*** Rebuilding template files ***'
+	if test x"$(srcdir)" != x. ; then \
+	    cp $(srcdir)/$(DOC_MODULE)-sections.txt . ; \
+	    touch $(DOC_MODULE)-decl.txt ; \
+	fi
+	gtkdoc-mktmpl --module=$(DOC_MODULE) | tee tmpl-build.log
+	@cat $(DOC_MODULE)-unused.txt
+	@if ! test -z "`grep -v GstPoptOption $(DOC_MODULE)-unused.txt`"; then \
+	    true; fi # exit 1; fi
+	rm -f tmpl-build.log
+	touch tmpl-build.stamp
+
+tmpl.stamp: tmpl-build.stamp
+	@true
+
+#### xml ####
+
+### FIXME: make this error out again when docs are fixed for 0.9
+sgml-build.stamp: tmpl.stamp $(CFILE_GLOB)
+	@echo '*** Building XML ***'
+	gtkdoc-mkdb --module=$(DOC_MODULE) --source-dir=$(DOC_SOURCE_DIR) --main-sgml-file=$(srcdir)/$(DOC_MAIN_SGML_FILE) --output-format=xml $(MKDB_OPTIONS) | tee sgml-build.log
+	@if grep "WARNING:" sgml-build.log > /dev/null; then true; fi # exit 1; fi
+	rm sgml-build.log
+	touch sgml-build.stamp
+
+sgml.stamp: sgml-build.stamp
+	@true
+
+#### html ####
+
+html-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files)
+	@echo '*** Building HTML ***'
+	if test -d html; then rm -rf html; fi
+	mkdir html
+	cp $(srcdir)/$(DOC_MAIN_SGML_FILE) html
+	@for f in $(content_files); do cp $(srcdir)/$$f html; done
+	cp -pr xml html
+	cp ../version.entities html
+	cd html && gtkdoc-mkhtml $(DOC_MODULE) $(DOC_MAIN_SGML_FILE)
+	rm -f html/$(DOC_MAIN_SGML_FILE)
+	rm -rf html/xml
+	rm -f html/version.entities
+	test "x$(HTML_IMAGES)" = "x" || for i in "" $(HTML_IMAGES) ; do \
+	    if test "$$i" != ""; then cp $(srcdir)/$$i html ; fi; done
+	@echo '-- Fixing Crossreferences' 
+	gtkdoc-fixxref --module-dir=html --html-dir=$(HTML_DIR) $(FIXXREF_OPTIONS)
+	touch html-build.stamp
+else
+all-local:
+endif
+
+clean-local:
+	rm -f *~ *.bak
+	rm -rf xml html
+	rm -rf .libs
+
+maintainer-clean-local: clean
+	cd $(srcdir) && rm -rf xml html $(DOC_MODULE)-decl-list.txt $(DOC_MODULE)-decl.txt
+
+# company: don't delete .sgml and -sections.txt as they're in CVS
+# FIXME : thomas added all sgml files and some other things to make
+# make distcheck work
+distclean-local: clean
+	rm -f $(DOC_MODULE)-decl-list.txt
+	rm -f $(DOC_MODULE)-decl.txt
+	rm -f $(DOC_MODULE)-undocumented.txt
+	rm -f $(DOC_MODULE)-unused.txt
+	rm -rf tmpl/*.sgml.bak
+	rm -f $(DOC_MODULE).hierarchy
+	rm -f *.stamp || true
+	if test x"$(srcdir)" != x. ; then \
+	    rm -f $(DOC_MODULE)-docs.sgml ; \
+	    rm -f $(DOC_MODULE).types ; \
+	    rm -f $(DOC_MODULE).interfaces ; \
+            rm -f $(DOC_MODULE)-overrides.txt ; \
+	    rm -f $(DOC_MODULE).prerequisites ; \
+	    rm -f $(DOC_MODULE)-sections.txt ; \
+	    rm -rf tmpl/*.sgml ; \
+	fi
+	rm -rf *.o
+
+# thomas: make docs parallel installable; devhelp requires majorminor too
+install-data-local:
+	$(mkinstalldirs) $(DESTDIR)$(TARGET_DIR) 
+	(installfiles=`echo ./html/*.html`; \
+	if test "$$installfiles" = './html/*.html'; \
+	then echo '-- Nothing to install' ; \
+	else \
+	  for i in $$installfiles; do \
+	    echo '-- Installing '$$i ; \
+	    $(INSTALL_DATA) $$i $(DESTDIR)$(TARGET_DIR); \
+	  done; \
+	  pngfiles=`echo ./html/*.png`; \
+	  if test "$$pngfiles" != './html/*.png'; then \
+	    for i in $$pngfiles; do \
+	      echo '-- Installing '$$i ; \
+	      $(INSTALL_DATA) $$i $(DESTDIR)$(TARGET_DIR); \
+	    done; \
+	  fi; \
+	  echo '-- Installing $(srcdir)/html/$(DOC_MODULE).devhelp' ; \
+	  $(INSTALL_DATA) $(srcdir)/html/$(DOC_MODULE).devhelp \
+	    $(DESTDIR)$(TARGET_DIR)/$(DOC_MODULE)-@GST_MAJORMINOR@.devhelp; \
+	  echo '-- Installing $(srcdir)/html/index.sgml' ; \
+	  $(INSTALL_DATA) $(srcdir)/html/index.sgml $(DESTDIR)$(TARGET_DIR); \
+		if test -e $(srcdir)/html/style.css; then \
+			echo '-- Installing $(srcdir)/html/style.css' ; \
+			$(INSTALL_DATA) $(srcdir)/html/style.css $(DESTDIR)$(TARGET_DIR); \
+		fi; \
+	fi) 
+uninstall-local:
+	(installfiles=`echo ./html/*.html`; \
+	if test "$$installfiles" = './html/*.html'; \
+	then echo '-- Nothing to uninstall' ; \
+	else \
+	  for i in $$installfiles; do \
+	    rmfile=`basename $$i` ; \
+	    echo '-- Uninstalling $(DESTDIR)$(TARGET_DIR)/'$$rmfile ; \
+	    rm -f $(DESTDIR)$(TARGET_DIR)/$$rmfile; \
+	  done; \
+	  pngfiles=`echo ./html/*.png`; \
+	  if test "$$pngfiles" != './html/*.png'; then \
+	    for i in $$pngfiles; do \
+	      rmfile=`basename $$i` ; \
+	      echo '-- Uninstalling $(DESTDIR)$(TARGET_DIR)/'$$rmfile ; \
+	      rm -f $(DESTDIR)$(TARGET_DIR)/$$rmfile; \
+	    done; \
+	  fi; \
+	  echo '-- Uninstalling $(DESTDIR)$(TARGET_DIR)/$(DOC_MODULE).devhelp' ; \
+	  rm -f $(DESTDIR)$(TARGET_DIR)/$(DOC_MODULE)-@GST_MAJORMINOR@.devhelp; \
+	  echo '-- Uninstalling $(DESTDIR)$(TARGET_DIR)/index.sgml' ; \
+	  rm -f $(DESTDIR)$(TARGET_DIR)/index.sgml; \
+		if test -e $(DESTDIR)$(TARGET_DIR)/style.css; then \
+			echo '-- Uninstalling $(DESTDIR)$(TARGET_DIR)/style.css' ; \
+			rm -f $(DESTDIR)$(TARGET_DIR)/style.css; \
+		fi; \
+	fi) 
+	if test -d $(DESTDIR)$(TARGET_DIR); then rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(TARGET_DIR) 2>/dev/null; fi; true
+
+#
+# Require gtk-doc when making dist
+#
+if HAVE_GTK_DOC
+dist-check-gtkdoc:
+else
+dist-check-gtkdoc:
+	@echo "*** gtk-doc must be installed and enabled in order to make dist"
+	@false
+endif
+
+dist-hook: dist-check-gtkdoc dist-hook-local
+	mkdir $(distdir)/tmpl
+	mkdir $(distdir)/xml
+	mkdir $(distdir)/html
+	-cp $(srcdir)/tmpl/*.sgml $(distdir)/tmpl
+	-cp $(srcdir)/sgml/*.xml $(distdir)/xml
+	-cp $(srcdir)/html/index.sgml $(distdir)/html
+	-cp $(srcdir)/html/*.html $(srcdir)/html/*.css $(distdir)/html
+	-cp $(srcdir)/html/$(DOC_MODULE).devhelp $(distdir)/html
+
+	images=$(HTML_IMAGES) ;    	      \
+	for i in "" $$images ; do		      \
+	  if test "$$i" != ""; then cp $(srcdir)/$$i $(distdir)/html ; fi; \
+	done
+
+.PHONY : dist-hook-local
diff --git a/gtk-doc.mak b/gtk-doc.mak
index 6eade38..31dde08 100644
--- a/gtk-doc.mak
+++ b/gtk-doc.mak
@@ -95,7 +95,7 @@ tmpl-build.stamp: $(DOC_MODULE)-decl.txt $(SCANOBJ_FILES) $(DOC_MODULE)-sections
 	fi
 	gtkdoc-mktmpl --module=$(DOC_MODULE) | tee tmpl-build.log
 	@cat $(DOC_MODULE)-unused.txt
-	@if ! test -z "`grep -v GstPoptOption gstreamer-unused.txt`"; then \
+	@if ! test -z "`grep -v GstPoptOption $(DOC_MODULE)-unused.txt`"; then \
 	    true; fi # exit 1; fi
 	rm -f tmpl-build.log
 	touch tmpl-build.stamp
@@ -245,7 +245,7 @@ dist-hook: dist-check-gtkdoc dist-hook-local
 	-cp $(srcdir)/sgml/*.xml $(distdir)/xml
 	-cp $(srcdir)/html/index.sgml $(distdir)/html
 	-cp $(srcdir)/html/*.html $(srcdir)/html/*.css $(distdir)/html
-	-cp $(srcdir)/html/gstreamer.devhelp $(distdir)/html
+	-cp $(srcdir)/html/$(DOC_MODULE).devhelp $(distdir)/html
 
 	images=$(HTML_IMAGES) ;    	      \
 	for i in "" $$images ; do		      \
-- 
2.7.4