/* GDK - The GIMP Drawing Kit

 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

/*

 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS

 * file for a list of people on the GTK+ Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 

 */

#include "config.h"

#include <string.h>

#include <stdlib.h>

#include "gdk.h"

#include "gdkinternals.h"

#include "gdkintl.h"

#ifndef HAVE_XCONVERTCASE

#include "gdkkeysyms.h"

#endif

#include "gdkalias.h"

typedef struct _GdkPredicate  GdkPredicate;

struct _GdkPredicate

{

  GdkEventFunc func;

  gpointer data;

};

typedef struct _GdkThreadsDispatch GdkThreadsDispatch;

struct _GdkThreadsDispatch

{

  GSourceFunc func;

  gpointer data;

  GDestroyNotify destroy;

};

/* Private variable declarations

 */

static int gdk_initialized = 0;			    /* 1 if the library is initialized,

						     * 0 otherwise.

						     */

static gchar  *gdk_progclass = NULL;

#ifdef G_ENABLE_DEBUG

static const GDebugKey gdk_debug_keys[] = {

  {"events",	    GDK_DEBUG_EVENTS},

  {"misc",	    GDK_DEBUG_MISC},

  {"dnd",	    GDK_DEBUG_DND},

  {"xim",	    GDK_DEBUG_XIM},

  {"nograbs",       GDK_DEBUG_NOGRABS},

  {"colormap",	    GDK_DEBUG_COLORMAP},

  {"gdkrgb",	    GDK_DEBUG_GDKRGB},

  {"gc",	    GDK_DEBUG_GC},

  {"pixmap",	    GDK_DEBUG_PIXMAP},

  {"image",	    GDK_DEBUG_IMAGE},

  {"input",	    GDK_DEBUG_INPUT},

  {"cursor",	    GDK_DEBUG_CURSOR},

  {"multihead",	    GDK_DEBUG_MULTIHEAD},

  {"xinerama",	    GDK_DEBUG_XINERAMA},

  {"draw",	    GDK_DEBUG_DRAW},

  {"eventloop",	    GDK_DEBUG_EVENTLOOP}

};

static const int gdk_ndebug_keys = G_N_ELEMENTS (gdk_debug_keys);

#endif /* G_ENABLE_DEBUG */

#ifdef G_ENABLE_DEBUG

static gboolean

gdk_arg_debug_cb (const char *key, const char *value, gpointer user_data, GError **error)

{

  guint debug_value = g_parse_debug_string (value,

					    (GDebugKey *) gdk_debug_keys,

					    gdk_ndebug_keys);

  if (debug_value == 0 && value != NULL && strcmp (value, "") != 0)

    {

      g_set_error (error, 

		   G_OPTION_ERROR, G_OPTION_ERROR_FAILED,

		   _("Error parsing option --gdk-debug"));

      return FALSE;

    }

  _gdk_debug_flags |= debug_value;

  return TRUE;

}

static gboolean

gdk_arg_no_debug_cb (const char *key, const char *value, gpointer user_data, GError **error)

{

  guint debug_value = g_parse_debug_string (value,

					    (GDebugKey *) gdk_debug_keys,

					    gdk_ndebug_keys);

  if (debug_value == 0 && value != NULL && strcmp (value, "") != 0)

    {

      g_set_error (error, 

		   G_OPTION_ERROR, G_OPTION_ERROR_FAILED,

		   _("Error parsing option --gdk-no-debug"));

      return FALSE;

    }

  _gdk_debug_flags &= ~debug_value;

  return TRUE;

}

#endif /* G_ENABLE_DEBUG */

static gboolean

gdk_arg_class_cb (const char *key, const char *value, gpointer user_data, GError **error)

{

  gdk_set_program_class (value);

  return TRUE;

}

static gboolean

gdk_arg_name_cb (const char *key, const char *value, gpointer user_data, GError **error)

{

  g_set_prgname (value);

  return TRUE;

}

static const GOptionEntry gdk_args[] = {

  { "class",        0, 0,                     G_OPTION_ARG_CALLBACK, gdk_arg_class_cb,

    /* Description of --class=CLASS in --help output */        N_("Program class as used by the window manager"),

    /* Placeholder in --class=CLASS in --help output */        N_("CLASS") },

  { "name",         0, 0,                     G_OPTION_ARG_CALLBACK, gdk_arg_name_cb,

    /* Description of --name=NAME in --help output */          N_("Program name as used by the window manager"),

    /* Placeholder in --name=NAME in --help output */          N_("NAME") },

  { "display",      0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_STRING,   &_gdk_display_name,

    /* Description of --display=DISPLAY in --help output */    N_("X display to use"),

    /* Placeholder in --display=DISPLAY in --help output */    N_("DISPLAY") },

  { "screen",       0, 0, G_OPTION_ARG_INT,      &_gdk_screen_number,

    /* Description of --screen=SCREEN in --help output */      N_("X screen to use"),

    /* Placeholder in --screen=SCREEN in --help output */      N_("SCREEN") },

#ifdef G_ENABLE_DEBUG

  { "gdk-debug",    0, 0, G_OPTION_ARG_CALLBACK, gdk_arg_debug_cb,  

    /* Description of --gdk-debug=FLAGS in --help output */    N_("GDK debugging flags to set"),

    /* Placeholder in --gdk-debug=FLAGS in --help output */    N_("FLAGS") },

  { "gdk-no-debug", 0, 0, G_OPTION_ARG_CALLBACK, gdk_arg_no_debug_cb, 

    /* Description of --gdk-no-debug=FLAGS in --help output */ N_("GDK debugging flags to unset"),

    /* Placeholder in --gdk-no-debug=FLAGS in --help output */ N_("FLAGS") },

#endif 

  { NULL }

};

/**

 * gdk_add_option_entries_libgtk_only:

 * @group: An option group.

 * 

 * Appends gdk option entries to the passed in option group. This is

 * not public API and must not be used by applications.

 **/

void

gdk_add_option_entries_libgtk_only (GOptionGroup *group)

{

  g_option_group_add_entries (group, gdk_args);

  g_option_group_add_entries (group, _gdk_windowing_args);

}

void

gdk_pre_parse_libgtk_only (void)

{

  gdk_initialized = TRUE;

  /* We set the fallback program class here, rather than lazily in

   * gdk_get_program_class, since we don't want -name to override it.

   */

  gdk_progclass = g_strdup (g_get_prgname ());

  if (gdk_progclass && gdk_progclass[0])

    gdk_progclass[0] = g_ascii_toupper (gdk_progclass[0]);

#ifdef G_ENABLE_DEBUG

  {

    gchar *debug_string = getenv("GDK_DEBUG");

    if (debug_string != NULL)

      _gdk_debug_flags = g_parse_debug_string (debug_string,

					      (GDebugKey *) gdk_debug_keys,

					      gdk_ndebug_keys);

  }

#endif	/* G_ENABLE_DEBUG */

  if (getenv ("GDK_NATIVE_WINDOWS"))

    {

      _gdk_native_windows = TRUE;

      /* Ensure that this is not propagated

	 to spawned applications */

      g_unsetenv ("GDK_NATIVE_WINDOWS");

    }

  g_type_init ();

  /* Do any setup particular to the windowing system

   */

  _gdk_windowing_init ();  

}

/**

 * gdk_parse_args:

 * @argc: the number of command line arguments.

 * @argv: (inout) (array length=argc): the array of command line arguments.

 * 

 * Parse command line arguments, and store for future

 * use by calls to gdk_display_open().

 *

 * Any arguments used by GDK are removed from the array and @argc and @argv are

 * updated accordingly.

 *

 * You shouldn't call this function explicitely if you are using

 * gtk_init(), gtk_init_check(), gdk_init(), or gdk_init_check().

 *

 * Since: 2.2

 **/

void

gdk_parse_args (int    *argc,

		char ***argv)

{

  GOptionContext *option_context;

  GOptionGroup *option_group;

  GError *error = NULL;

  if (gdk_initialized)

    return;

  gdk_pre_parse_libgtk_only ();

  option_context = g_option_context_new (NULL);

  g_option_context_set_ignore_unknown_options (option_context, TRUE);

  g_option_context_set_help_enabled (option_context, FALSE);

  option_group = g_option_group_new (NULL, NULL, NULL, NULL, NULL);

  g_option_context_set_main_group (option_context, option_group);

  g_option_group_add_entries (option_group, gdk_args);

  g_option_group_add_entries (option_group, _gdk_windowing_args);

  if (!g_option_context_parse (option_context, argc, argv, &error))

    {

      g_warning ("%s", error->message);

      g_error_free (error);

    }

  g_option_context_free (option_context);

  if (_gdk_debug_flags && GDK_DEBUG_GDKRGB)

    gdk_rgb_set_verbose (TRUE);

  GDK_NOTE (MISC, g_message ("progname: \"%s\"", g_get_prgname ()));

}

/** 

 * gdk_get_display_arg_name:

 *

 * Gets the display name specified in the command line arguments passed

 * to gdk_init() or gdk_parse_args(), if any.

 *

 * Returns: the display name, if specified explicitely, otherwise %NULL

 *   this string is owned by GTK+ and must not be modified or freed.

 *

 * Since: 2.2

 */

const gchar *

gdk_get_display_arg_name (void)

{

  if (!_gdk_display_arg_name)

    {

      if (_gdk_screen_number >= 0)

	_gdk_display_arg_name = _gdk_windowing_substitute_screen_number (_gdk_display_name, _gdk_screen_number);

      else

	_gdk_display_arg_name = g_strdup (_gdk_display_name);

   }

   return _gdk_display_arg_name;

}

/**

 * gdk_display_open_default_libgtk_only:

 * 

 * Opens the default display specified by command line arguments or

 * environment variables, sets it as the default display, and returns

 * it.  gdk_parse_args must have been called first. If the default

 * display has previously been set, simply returns that. An internal

 * function that should not be used by applications.

 * 

 * Return value: the default display, if it could be opened,

 *   otherwise %NULL.

 **/

GdkDisplay *

gdk_display_open_default_libgtk_only (void)

{

  GdkDisplay *display;

  g_return_val_if_fail (gdk_initialized, NULL);

  display = gdk_display_get_default ();

  if (display)

    return display;

  display = gdk_display_open (gdk_get_display_arg_name ());

  if (!display && _gdk_screen_number >= 0)

    {

      g_free (_gdk_display_arg_name);

      _gdk_display_arg_name = g_strdup (_gdk_display_name);

      display = gdk_display_open (_gdk_display_name);

    }

  if (display)

    gdk_display_manager_set_default_display (gdk_display_manager_get (),

					     display);

  return display;

}

/**

 * gdk_init_check:

 * @argc: (inout):

 * @argv: (array length=argc) (inout):

 *

 *   Initialize the library for use.

 *

 * Arguments:

 *   "argc" is the number of arguments.

 *   "argv" is an array of strings.

 *

 * Results:

 *   "argc" and "argv" are modified to reflect any arguments

 *   which were not handled. (Such arguments should either

 *   be handled by the application or dismissed). If initialization

 *   fails, returns FALSE, otherwise TRUE.

 *

 * Side effects:

 *   The library is initialized.

 *

 *--------------------------------------------------------------

 */

gboolean

gdk_init_check (int    *argc,

		char ***argv)

{

  gdk_parse_args (argc, argv);

  return gdk_display_open_default_libgtk_only () != NULL;

}

/**

 * gdk_init:

 * @argc: (inout):

 * @argv: (array length=argc) (inout):

 */

void

gdk_init (int *argc, char ***argv)

{

  if (!gdk_init_check (argc, argv))

    {

      const char *display_name = gdk_get_display_arg_name ();

      g_warning ("cannot open display: %s", display_name ? display_name : "");

      exit(1);

    }

}

/*

 *--------------------------------------------------------------

 * gdk_exit

 *

 *   Restores the library to an un-itialized state and exits

 *   the program using the "exit" system call.

 *

 * Arguments:

 *   "errorcode" is the error value to pass to "exit".

 *

 * Results:

 *   Allocated structures are freed and the program exits

 *   cleanly.

 *

 * Side effects:

 *

 *--------------------------------------------------------------

 */

void

gdk_exit (gint errorcode)

{

  exit (errorcode);

}

void

gdk_threads_enter (void)

{

  GDK_THREADS_ENTER ();

}

void

gdk_threads_leave (void)

{

  GDK_THREADS_LEAVE ();

}

static void

gdk_threads_impl_lock (void)

{

  if (gdk_threads_mutex)

    g_mutex_lock (gdk_threads_mutex);

}

static void

gdk_threads_impl_unlock (void)

{

  if (gdk_threads_mutex)

    {

      /* we need a trylock() here because trying to unlock a mutex

       * that hasn't been locked yet is:

       *

       *  a) not portable

       *  b) fail on GLib ≥ 2.41

       *

       * trylock() will either succeed because nothing is holding the

       * GDK mutex, and will be unlocked right afterwards; or it's

       * going to fail because the mutex is locked already, in which

       * case we unlock it as expected.

       *

       * this is needed in the case somebody called gdk_threads_init()

       * without calling gdk_threads_enter() before calling gtk_main().

       * in theory, we could just say that this is undefined behaviour,

       * but our documentation has always been *less* than explicit as

       * to what the behaviour should actually be.

       *

       * see bug: https://bugzilla.gnome.org/show_bug.cgi?id=735428

       */

      g_mutex_trylock (gdk_threads_mutex);

      g_mutex_unlock (gdk_threads_mutex);

    }

}

/**

 * gdk_threads_init:

 * 

 * Initializes GDK so that it can be used from multiple threads

 * in conjunction with gdk_threads_enter() and gdk_threads_leave().

 * g_thread_init() must be called previous to this function.

 *

 * This call must be made before any use of the main loop from

 * GTK+; to be safe, call it before gtk_init().

 **/

void

gdk_threads_init (void)

{

  if (!g_thread_supported ())

    g_error ("g_thread_init() must be called before gdk_threads_init()");

  gdk_threads_mutex = g_mutex_new ();

  if (!gdk_threads_lock)

    gdk_threads_lock = gdk_threads_impl_lock;

  if (!gdk_threads_unlock)

    gdk_threads_unlock = gdk_threads_impl_unlock;

}

/**

 * gdk_threads_set_lock_functions:

 * @enter_fn:   function called to guard GDK

 * @leave_fn: function called to release the guard

 *

 * Allows the application to replace the standard method that

 * GDK uses to protect its data structures. Normally, GDK

 * creates a single #GMutex that is locked by gdk_threads_enter(),

 * and released by gdk_threads_leave(); using this function an

 * application provides, instead, a function @enter_fn that is

 * called by gdk_threads_enter() and a function @leave_fn that is

 * called by gdk_threads_leave().

 *

 * The functions must provide at least same locking functionality

 * as the default implementation, but can also do extra application

 * specific processing.

 *

 * As an example, consider an application that has its own recursive

 * lock that when held, holds the GTK+ lock as well. When GTK+ unlocks

 * the GTK+ lock when entering a recursive main loop, the application

 * must temporarily release its lock as well.

 *

 * Most threaded GTK+ apps won't need to use this method.

 *

 * This method must be called before gdk_threads_init(), and cannot

 * be called multiple times.

 *

 * Since: 2.4

 **/

void

gdk_threads_set_lock_functions (GCallback enter_fn,

				GCallback leave_fn)

{

  g_return_if_fail (gdk_threads_lock == NULL &&

		    gdk_threads_unlock == NULL);

  gdk_threads_lock = enter_fn;

  gdk_threads_unlock = leave_fn;

}

static gboolean

gdk_threads_dispatch (gpointer data)

{

  GdkThreadsDispatch *dispatch = data;

  gboolean ret = FALSE;

  GDK_THREADS_ENTER ();

  if (!g_source_is_destroyed (g_main_current_source ()))

    ret = dispatch->func (dispatch->data);

  GDK_THREADS_LEAVE ();

  return ret;

}

static void

gdk_threads_dispatch_free (gpointer data)

{

  GdkThreadsDispatch *dispatch = data;

  if (dispatch->destroy && dispatch->data)

    dispatch->destroy (dispatch->data);

  g_slice_free (GdkThreadsDispatch, data);

}

/**

 * gdk_threads_add_idle_full:

 * @priority: the priority of the idle source. Typically this will be in the

 *            range btweeen #G_PRIORITY_DEFAULT_IDLE and #G_PRIORITY_HIGH_IDLE

 * @function: function to call

 * @data:     data to pass to @function

 * @notify: (allow-none):   function to call when the idle is removed, or %NULL

 *

 * Adds a function to be called whenever there are no higher priority

 * events pending.  If the function returns %FALSE it is automatically

 * removed from the list of event sources and will not be called again.

 *

 * This variant of g_idle_add_full() calls @function with the GDK lock

 * held. It can be thought of a MT-safe version for GTK+ widgets for the 

 * following use case, where you have to worry about idle_callback()

 * running in thread A and accessing @self after it has been finalized

 * in thread B:

 *

 * |[

 * static gboolean

 * idle_callback (gpointer data)

 * {

 *    /* gdk_threads_enter(); would be needed for g_idle_add() */

 *

 *    SomeWidget *self = data;

 *    /* do stuff with self */

 *

 *    self->idle_id = 0;

 *

 *    /* gdk_threads_leave(); would be needed for g_idle_add() */

 *    return FALSE;

 * }

 *

 * static void

 * some_widget_do_stuff_later (SomeWidget *self)

 * {

 *    self->idle_id = gdk_threads_add_idle (idle_callback, self)

 *    /* using g_idle_add() here would require thread protection in the callback */

 * }

 *

 * static void

 * some_widget_finalize (GObject *object)

 * {

 *    SomeWidget *self = SOME_WIDGET (object);

 *    if (self->idle_id)

 *      g_source_remove (self->idle_id);

 *    G_OBJECT_CLASS (parent_class)->finalize (object);

 * }

 * ]|

 *

 * Return value: the ID (greater than 0) of the event source.

 *

 * Since: 2.12

 */

guint

gdk_threads_add_idle_full (gint           priority,

		           GSourceFunc    function,

		           gpointer       data,

		           GDestroyNotify notify)

{

  GdkThreadsDispatch *dispatch;

  g_return_val_if_fail (function != NULL, 0);

  dispatch = g_slice_new (GdkThreadsDispatch);

  dispatch->func = function;

  dispatch->data = data;

  dispatch->destroy = notify;

  return g_idle_add_full (priority,

                          gdk_threads_dispatch,

                          dispatch,

                          gdk_threads_dispatch_free);

}

/**

 * gdk_threads_add_idle:

 * @function: function to call

 * @data:     data to pass to @function

 *

 * A wrapper for the common usage of gdk_threads_add_idle_full() 

 * assigning the default priority, #G_PRIORITY_DEFAULT_IDLE.

 *

 * See gdk_threads_add_idle_full().

 *

 * Return value: the ID (greater than 0) of the event source.

 * 

 * Since: 2.12

 */

guint

gdk_threads_add_idle (GSourceFunc    function,

		      gpointer       data)

{

  return gdk_threads_add_idle_full (G_PRIORITY_DEFAULT_IDLE,

                                    function, data, NULL);

}

/**

 * gdk_threads_add_timeout_full:

 * @priority: the priority of the timeout source. Typically this will be in the

 *            range between #G_PRIORITY_DEFAULT_IDLE and #G_PRIORITY_HIGH_IDLE.

 * @interval: the time between calls to the function, in milliseconds

 *             (1/1000ths of a second)

 * @function: function to call

 * @data:     data to pass to @function

 * @notify: (allow-none):   function to call when the timeout is removed, or %NULL

 *

 * Sets a function to be called at regular intervals holding the GDK lock,

 * with the given priority.  The function is called repeatedly until it 

 * returns %FALSE, at which point the timeout is automatically destroyed 

 * and the function will not be called again.  The @notify function is

 * called when the timeout is destroyed.  The first call to the

 * function will be at the end of the first @interval.

 *

 * Note that timeout functions may be delayed, due to the processing of other

 * event sources. Thus they should not be relied on for precise timing.

 * After each call to the timeout function, the time of the next

 * timeout is recalculated based on the current time and the given interval

 * (it does not try to 'catch up' time lost in delays).

 *

 * This variant of g_timeout_add_full() can be thought of a MT-safe version 

 * for GTK+ widgets for the following use case:

 *

 * |[

 * static gboolean timeout_callback (gpointer data)

 * {

 *    SomeWidget *self = data;

 *    

 *    /* do stuff with self */

 *    

 *    self->timeout_id = 0;

 *    

 *    return FALSE;

 * }

 *  

 * static void some_widget_do_stuff_later (SomeWidget *self)

 * {

 *    self->timeout_id = g_timeout_add (timeout_callback, self)

 * }

 *  

 * static void some_widget_finalize (GObject *object)

 * {

 *    SomeWidget *self = SOME_WIDGET (object);

 *    

 *    if (self->timeout_id)

 *      g_source_remove (self->timeout_id);

 *    

 *    G_OBJECT_CLASS (parent_class)->finalize (object);

 * }

 * ]|

 *

 * Return value: the ID (greater than 0) of the event source.

 * 

 * Since: 2.12

 */

guint

gdk_threads_add_timeout_full (gint           priority,

                              guint          interval,

                              GSourceFunc    function,

                              gpointer       data,

                              GDestroyNotify notify)

{

  GdkThreadsDispatch *dispatch;

  g_return_val_if_fail (function != NULL, 0);

  dispatch = g_slice_new (GdkThreadsDispatch);

  dispatch->func = function;

  dispatch->data = data;

  dispatch->destroy = notify;

  return g_timeout_add_full (priority, 

                             interval,

                             gdk_threads_dispatch, 

                             dispatch, 

                             gdk_threads_dispatch_free);

}

/**

 * gdk_threads_add_timeout:

 * @interval: the time between calls to the function, in milliseconds

 *             (1/1000ths of a second)

 * @function: function to call

 * @data:     data to pass to @function

 *

 * A wrapper for the common usage of gdk_threads_add_timeout_full() 

 * assigning the default priority, #G_PRIORITY_DEFAULT.

 *

 * See gdk_threads_add_timeout_full().

 * 

 * Return value: the ID (greater than 0) of the event source.

 *

 * Since: 2.12

 */

guint

gdk_threads_add_timeout (guint       interval,

                         GSourceFunc function,

                         gpointer    data)

{

  return gdk_threads_add_timeout_full (G_PRIORITY_DEFAULT,

                                       interval, function, data, NULL);

}

/**

 * gdk_threads_add_timeout_seconds_full:

 * @priority: the priority of the timeout source. Typically this will be in the

 *            range between #G_PRIORITY_DEFAULT_IDLE and #G_PRIORITY_HIGH_IDLE.

 * @interval: the time between calls to the function, in seconds

 * @function: function to call

 * @data:     data to pass to @function

 * @notify: (allow-none):   function to call when the timeout is removed, or %NULL

 *

 * A variant of gdk_threads_add_timout_full() with second-granularity.

 * See g_timeout_add_seconds_full() for a discussion of why it is

 * a good idea to use this function if you don't need finer granularity.

 *

 *  Return value: the ID (greater than 0) of the event source.

 * 

 * Since: 2.14

 */

guint

gdk_threads_add_timeout_seconds_full (gint           priority,

                                      guint          interval,

                                      GSourceFunc    function,

                                      gpointer       data,

                                      GDestroyNotify notify)

{

  GdkThreadsDispatch *dispatch;

  g_return_val_if_fail (function != NULL, 0);

  dispatch = g_slice_new (GdkThreadsDispatch);

  dispatch->func = function;

  dispatch->data = data;

  dispatch->destroy = notify;

  return g_timeout_add_seconds_full (priority, 

                                     interval,

                                     gdk_threads_dispatch, 

                                     dispatch, 

                                     gdk_threads_dispatch_free);

}

/**

 * gdk_threads_add_timeout_seconds:

 * @interval: the time between calls to the function, in seconds

 * @function: function to call

 * @data:     data to pass to @function

 *

 * A wrapper for the common usage of gdk_threads_add_timeout_seconds_full() 

 * assigning the default priority, #G_PRIORITY_DEFAULT.

 *

 * For details, see gdk_threads_add_timeout_full().

 * 

 * Return value: the ID (greater than 0) of the event source.

 *

 * Since: 2.14

 */

guint

gdk_threads_add_timeout_seconds (guint       interval,

                                 GSourceFunc function,

                                 gpointer    data)

{

  return gdk_threads_add_timeout_seconds_full (G_PRIORITY_DEFAULT,

                                               interval, function, data, NULL);

}

const char *

gdk_get_program_class (void)

{

  return gdk_progclass;

}

void

gdk_set_program_class (const char *program_class)

{

  g_free (gdk_progclass);

  gdk_progclass = g_strdup (program_class);

}

#define __GDK_C__

#include "gdkaliasdef.c"