/* GTK - The GIMP Toolkit

 * 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 "gtkbox.h"

#include "gtkorientable.h"

#include "gtkprivate.h"

#include "gtkintl.h"

#include "gtkalias.h"

enum {

  PROP_0,

  PROP_ORIENTATION,

  PROP_SPACING,

  PROP_HOMOGENEOUS

};

enum {

  CHILD_PROP_0,

  CHILD_PROP_EXPAND,

  CHILD_PROP_FILL,

  CHILD_PROP_PADDING,

  CHILD_PROP_PACK_TYPE,

  CHILD_PROP_POSITION

};

typedef struct _GtkBoxPrivate GtkBoxPrivate;

struct _GtkBoxPrivate

{

  GtkOrientation orientation;

  guint          default_expand : 1;

  guint          spacing_set    : 1;

};

#define GTK_BOX_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_BOX, GtkBoxPrivate))

static void gtk_box_set_property       (GObject        *object,

                                        guint           prop_id,

                                        const GValue   *value,

                                        GParamSpec     *pspec);

static void gtk_box_get_property       (GObject        *object,

                                        guint           prop_id,

                                        GValue         *value,

                                        GParamSpec     *pspec);

static void gtk_box_size_request       (GtkWidget      *widget,

                                        GtkRequisition *requisition);

static void gtk_box_size_allocate      (GtkWidget      *widget,

                                        GtkAllocation  *allocation);

static void gtk_box_add                (GtkContainer   *container,

                                        GtkWidget      *widget);

static void gtk_box_remove             (GtkContainer   *container,

                                        GtkWidget      *widget);

static void gtk_box_forall             (GtkContainer   *container,

                                        gboolean        include_internals,

                                        GtkCallback     callback,

                                        gpointer        callback_data);

static void gtk_box_set_child_property (GtkContainer   *container,

                                        GtkWidget      *child,

                                        guint           property_id,

                                        const GValue   *value,

                                        GParamSpec     *pspec);

static void gtk_box_get_child_property (GtkContainer   *container,

                                        GtkWidget      *child,

                                        guint           property_id,

                                        GValue         *value,

                                        GParamSpec     *pspec);

static GType gtk_box_child_type        (GtkContainer   *container);

G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GtkBox, gtk_box, GTK_TYPE_CONTAINER,

                                  G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE,

                                                         NULL));

static void

gtk_box_class_init (GtkBoxClass *class)

{

  GObjectClass *object_class = G_OBJECT_CLASS (class);

  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);

  GtkContainerClass *container_class = GTK_CONTAINER_CLASS (class);

  object_class->set_property = gtk_box_set_property;

  object_class->get_property = gtk_box_get_property;

  widget_class->size_request = gtk_box_size_request;

  widget_class->size_allocate = gtk_box_size_allocate;

  container_class->add = gtk_box_add;

  container_class->remove = gtk_box_remove;

  container_class->forall = gtk_box_forall;

  container_class->child_type = gtk_box_child_type;

  container_class->set_child_property = gtk_box_set_child_property;

  container_class->get_child_property = gtk_box_get_child_property;

  g_object_class_override_property (object_class,

                                    PROP_ORIENTATION,

                                    "orientation");

  g_object_class_install_property (object_class,

                                   PROP_SPACING,

                                   g_param_spec_int ("spacing",

                                                     P_("Spacing"),

                                                     P_("The amount of space between children"),

                                                     0,

                                                     G_MAXINT,

                                                     0,

                                                     GTK_PARAM_READWRITE));

  g_object_class_install_property (object_class,

                                   PROP_HOMOGENEOUS,

                                   g_param_spec_boolean ("homogeneous",

							 P_("Homogeneous"),

							 P_("Whether the children should all be the same size"),

							 FALSE,

							 GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_EXPAND,

					      g_param_spec_boolean ("expand", 

								    P_("Expand"), 

								    P_("Whether the child should receive extra space when the parent grows"),

								    TRUE,

								    GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_FILL,

					      g_param_spec_boolean ("fill", 

								    P_("Fill"), 

								    P_("Whether extra space given to the child should be allocated to the child or used as padding"),

								    TRUE,

								    GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_PADDING,

					      g_param_spec_uint ("padding", 

								 P_("Padding"), 

								 P_("Extra space to put between the child and its neighbors, in pixels"),

								 0, G_MAXINT, 0,

								 GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_PACK_TYPE,

					      g_param_spec_enum ("pack-type", 

								 P_("Pack type"), 

								 P_("A GtkPackType indicating whether the child is packed with reference to the start or end of the parent"),

								 GTK_TYPE_PACK_TYPE, GTK_PACK_START,

								 GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_POSITION,

					      g_param_spec_int ("position", 

								P_("Position"), 

								P_("The index of the child in the parent"),

								-1, G_MAXINT, 0,

								GTK_PARAM_READWRITE));

  g_type_class_add_private (object_class, sizeof (GtkBoxPrivate));

}

static void

gtk_box_init (GtkBox *box)

{

  GtkBoxPrivate *private = GTK_BOX_GET_PRIVATE (box);

  gtk_widget_set_has_window (GTK_WIDGET (box), FALSE);

  gtk_widget_set_redraw_on_allocate (GTK_WIDGET (box), FALSE);

  box->children = NULL;

  box->spacing = 0;

  box->homogeneous = FALSE;

  private->orientation = GTK_ORIENTATION_HORIZONTAL;

  private->default_expand = FALSE;

  private->spacing_set = FALSE;

}

static void

gtk_box_set_property (GObject      *object,

                      guint         prop_id,

                      const GValue *value,

                      GParamSpec   *pspec)

{

  GtkBox *box = GTK_BOX (object);

  GtkBoxPrivate *private = GTK_BOX_GET_PRIVATE (box);

  switch (prop_id)

    {

    case PROP_ORIENTATION:

      private->orientation = g_value_get_enum (value);

      gtk_widget_queue_resize (GTK_WIDGET (box));

      break;

    case PROP_SPACING:

      gtk_box_set_spacing (box, g_value_get_int (value));

      break;

    case PROP_HOMOGENEOUS:

      gtk_box_set_homogeneous (box, g_value_get_boolean (value));

      break;

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

    }

}

static void

gtk_box_get_property (GObject    *object,

                      guint       prop_id,

                      GValue     *value,

                      GParamSpec *pspec)

{

  GtkBox *box = GTK_BOX (object);

  GtkBoxPrivate *private = GTK_BOX_GET_PRIVATE (box);

  switch (prop_id)

    {

    case PROP_ORIENTATION:

      g_value_set_enum (value, private->orientation);

      break;

    case PROP_SPACING:

      g_value_set_int (value, box->spacing);

      break;

    case PROP_HOMOGENEOUS:

      g_value_set_boolean (value, box->homogeneous);

      break;

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

    }

}

static void

gtk_box_size_request (GtkWidget      *widget,

                      GtkRequisition *requisition)

{

  GtkBox *box = GTK_BOX (widget);

  GtkBoxPrivate *private = GTK_BOX_GET_PRIVATE (box);

  GtkBoxChild *child;

  GList *children;

  gint nvis_children;

  gint width;

  gint height;

  requisition->width = 0;

  requisition->height = 0;

  nvis_children = 0;

  children = box->children;

  while (children)

    {

      child = children->data;

      children = children->next;

      if (gtk_widget_get_visible (child->widget))

	{

	  GtkRequisition child_requisition;

	  gtk_widget_size_request (child->widget, &child_requisition);

	  if (box->homogeneous)

	    {

	      width = child_requisition.width + child->padding * 2;

	      height = child_requisition.height + child->padding * 2;

              if (private->orientation == GTK_ORIENTATION_HORIZONTAL)

                requisition->width = MAX (requisition->width, width);

              else

                requisition->height = MAX (requisition->height, height);

	    }

	  else

	    {

              if (private->orientation == GTK_ORIENTATION_HORIZONTAL)

                requisition->width += child_requisition.width + child->padding * 2;

              else

                requisition->height += child_requisition.height + child->padding * 2;

	    }

          if (private->orientation == GTK_ORIENTATION_HORIZONTAL)

            requisition->height = MAX (requisition->height, child_requisition.height);

          else

            requisition->width = MAX (requisition->width, child_requisition.width);

	  nvis_children += 1;

	}

    }

  if (nvis_children > 0)

    {

      if (box->homogeneous)

        {

          if (private->orientation == GTK_ORIENTATION_HORIZONTAL)

            requisition->width *= nvis_children;

          else

            requisition->height *= nvis_children;

        }

      if (private->orientation == GTK_ORIENTATION_HORIZONTAL)

        requisition->width += (nvis_children - 1) * box->spacing;

      else

        requisition->height += (nvis_children - 1) * box->spacing;

    }

  requisition->width += GTK_CONTAINER (box)->border_width * 2;

  requisition->height += GTK_CONTAINER (box)->border_width * 2;

}

static void

gtk_box_size_allocate (GtkWidget     *widget,

                       GtkAllocation *allocation)

{

  GtkBox *box = GTK_BOX (widget);

  GtkBoxPrivate *private = GTK_BOX_GET_PRIVATE (box);

  GtkBoxChild *child;

  GList *children;

  GtkAllocation child_allocation;

  gint nvis_children = 0;

  gint nexpand_children = 0;

  gint child_width = 0;

  gint child_height = 0;

  gint width = 0;

  gint height = 0;

  gint extra = 0;

  gint x = 0;

  gint y = 0;

  GtkTextDirection direction;

  widget->allocation = *allocation;

  direction = gtk_widget_get_direction (widget);

  for (children = box->children; children; children = children->next)

    {

      child = children->data;

      if (gtk_widget_get_visible (child->widget))

	{

	  nvis_children += 1;

	  if (child->expand)

	    nexpand_children += 1;

	}

    }

  if (nvis_children > 0)

    {

      if (box->homogeneous)

	{

          if (private->orientation == GTK_ORIENTATION_HORIZONTAL)

            {

              width = (allocation->width -

                       GTK_CONTAINER (box)->border_width * 2 -

                       (nvis_children - 1) * box->spacing);

              extra = width / nvis_children;

            }

          else

            {

              height = (allocation->height -

                        GTK_CONTAINER (box)->border_width * 2 -

                        (nvis_children - 1) * box->spacing);

              extra = height / nvis_children;

            }

	}

      else if (nexpand_children > 0)

	{

          if (private->orientation == GTK_ORIENTATION_HORIZONTAL)

            {

              width = (gint) allocation->width - (gint) widget->requisition.width;

              extra = width / nexpand_children;

            }

          else

            {

              height = (gint) allocation->height - (gint) widget->requisition.height;

              extra = height / nexpand_children;

            }

	}

      if (private->orientation == GTK_ORIENTATION_HORIZONTAL)

        {

          x = allocation->x + GTK_CONTAINER (box)->border_width;

          child_allocation.y = allocation->y + GTK_CONTAINER (box)->border_width;

          child_allocation.height = MAX (1, (gint) allocation->height - (gint) GTK_CONTAINER (box)->border_width * 2);

        }

      else

        {

          y = allocation->y + GTK_CONTAINER (box)->border_width;

          child_allocation.x = allocation->x + GTK_CONTAINER (box)->border_width;

          child_allocation.width = MAX (1, (gint) allocation->width - (gint) GTK_CONTAINER (box)->border_width * 2);

        }

      children = box->children;

      while (children)

	{

	  child = children->data;

	  children = children->next;

	  if ((child->pack == GTK_PACK_START) && gtk_widget_get_visible (child->widget))

	    {

	      if (box->homogeneous)

		{

		  if (nvis_children == 1)

                    {

                      child_width = width;

                      child_height = height;

                    }

		  else

                    {

                      child_width = extra;

                      child_height = extra;

                    }

		  nvis_children -= 1;

		  width -= extra;

                  height -= extra;

		}

	      else

		{

		  GtkRequisition child_requisition;

		  gtk_widget_get_child_requisition (child->widget, &child_requisition);

		  child_width = child_requisition.width + child->padding * 2;

		  child_height = child_requisition.height + child->padding * 2;

		  if (child->expand)

		    {

		      if (nexpand_children == 1)

                        {

                          child_width += width;

                          child_height += height;

                        }

		      else

                        {

                          child_width += extra;

                          child_height += extra;

                        }

		      nexpand_children -= 1;

		      width -= extra;

                      height -= extra;

		    }

		}

	      if (child->fill)

		{

                  if (private->orientation == GTK_ORIENTATION_HORIZONTAL)

                    {

                      child_allocation.width = MAX (1, (gint) child_width - (gint) child->padding * 2);

                      child_allocation.x = x + child->padding;

                    }

                  else

                    {

                      child_allocation.height = MAX (1, child_height - (gint)child->padding * 2);

                      child_allocation.y = y + child->padding;

                    }

		}

	      else

		{

		  GtkRequisition child_requisition;

		  gtk_widget_get_child_requisition (child->widget, &child_requisition);

                  if (private->orientation == GTK_ORIENTATION_HORIZONTAL)

                    {

                      child_allocation.width = child_requisition.width;

                      child_allocation.x = x + (child_width - child_allocation.width) / 2;

                    }

                  else

                    {

                      child_allocation.height = child_requisition.height;

                      child_allocation.y = y + (child_height - child_allocation.height) / 2;

                    }

		}

	      if (direction == GTK_TEXT_DIR_RTL &&

                  private->orientation == GTK_ORIENTATION_HORIZONTAL)

                {

                  child_allocation.x = allocation->x + allocation->width - (child_allocation.x - allocation->x) - child_allocation.width;

                }

	      gtk_widget_size_allocate (child->widget, &child_allocation);

	      x += child_width + box->spacing;

	      y += child_height + box->spacing;

	    }

	}

      x = allocation->x + allocation->width - GTK_CONTAINER (box)->border_width;

      y = allocation->y + allocation->height - GTK_CONTAINER (box)->border_width;

      children = box->children;

      while (children)

	{

	  child = children->data;

	  children = children->next;

	  if ((child->pack == GTK_PACK_END) && gtk_widget_get_visible (child->widget))

	    {

	      GtkRequisition child_requisition;

	      gtk_widget_get_child_requisition (child->widget, &child_requisition);

              if (box->homogeneous)

                {

                  if (nvis_children == 1)

                    {

                      child_width = width;

                      child_height = height;

                    }

                  else

                    {

                      child_width = extra;

                      child_height = extra;

                   }

                  nvis_children -= 1;

                  width -= extra;

                  height -= extra;

                }

              else

                {

		  child_width = child_requisition.width + child->padding * 2;

		  child_height = child_requisition.height + child->padding * 2;

                  if (child->expand)

                    {

                      if (nexpand_children == 1)

                        {

                          child_width += width;

                          child_height += height;

                         }

                      else

                        {

                          child_width += extra;

                          child_height += extra;

                        }

                      nexpand_children -= 1;

                      width -= extra;

                      height -= extra;

                    }

                }

              if (child->fill)

                {

                  if (private->orientation == GTK_ORIENTATION_HORIZONTAL)

                    {

                      child_allocation.width = MAX (1, (gint)child_width - (gint)child->padding * 2);

                      child_allocation.x = x + child->padding - child_width;

                    }

                  else

                    {

                      child_allocation.height = MAX (1, child_height - (gint)child->padding * 2);

                      child_allocation.y = y + child->padding - child_height;

                     }

                }

              else

                {

                  if (private->orientation == GTK_ORIENTATION_HORIZONTAL)

                    {

                      child_allocation.width = child_requisition.width;

                      child_allocation.x = x + (child_width - child_allocation.width) / 2 - child_width;

                    }

                  else

                    {

                      child_allocation.height = child_requisition.height;

                      child_allocation.y = y + (child_height - child_allocation.height) / 2 - child_height;

                    }

                }

	      if (direction == GTK_TEXT_DIR_RTL &&

                  private->orientation == GTK_ORIENTATION_HORIZONTAL)

                {

                  child_allocation.x = allocation->x + allocation->width - (child_allocation.x - allocation->x) - child_allocation.width;

                }

              gtk_widget_size_allocate (child->widget, &child_allocation);

              x -= (child_width + box->spacing);

              y -= (child_height + box->spacing);

	    }

	}

    }

}

static GType

gtk_box_child_type (GtkContainer   *container)

{

  return GTK_TYPE_WIDGET;

}

static void

gtk_box_set_child_property (GtkContainer *container,

                            GtkWidget    *child,

                            guint         property_id,

                            const GValue *value,

                            GParamSpec   *pspec)

{

  gboolean expand = 0;

  gboolean fill = 0;

  guint padding = 0;

  GtkPackType pack_type = 0;

  if (property_id != CHILD_PROP_POSITION)

    gtk_box_query_child_packing (GTK_BOX (container),

				 child,

				 &expand,

				 &fill,

				 &padding,

				 &pack_type);

  switch (property_id)

    {

    case CHILD_PROP_EXPAND:

      gtk_box_set_child_packing (GTK_BOX (container),

				 child,

				 g_value_get_boolean (value),

				 fill,

				 padding,

				 pack_type);

      break;

    case CHILD_PROP_FILL:

      gtk_box_set_child_packing (GTK_BOX (container),

				 child,

				 expand,

				 g_value_get_boolean (value),

				 padding,

				 pack_type);

      break;

    case CHILD_PROP_PADDING:

      gtk_box_set_child_packing (GTK_BOX (container),

				 child,

				 expand,

				 fill,

				 g_value_get_uint (value),

				 pack_type);

      break;

    case CHILD_PROP_PACK_TYPE:

      gtk_box_set_child_packing (GTK_BOX (container),

				 child,

				 expand,

				 fill,

				 padding,

				 g_value_get_enum (value));

      break;

    case CHILD_PROP_POSITION:

      gtk_box_reorder_child (GTK_BOX (container),

			     child,

			     g_value_get_int (value));

      break;

    default:

      GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);

      break;

    }

}

static void

gtk_box_get_child_property (GtkContainer *container,

			    GtkWidget    *child,

			    guint         property_id,

			    GValue       *value,

			    GParamSpec   *pspec)

{

  gboolean expand = 0;

  gboolean fill = 0;

  guint padding = 0;

  GtkPackType pack_type = 0;

  GList *list;

  if (property_id != CHILD_PROP_POSITION)

    gtk_box_query_child_packing (GTK_BOX (container),

				 child,

				 &expand,

				 &fill,

				 &padding,

				 &pack_type);

  switch (property_id)

    {

      guint i;

    case CHILD_PROP_EXPAND:

      g_value_set_boolean (value, expand);

      break;

    case CHILD_PROP_FILL:

      g_value_set_boolean (value, fill);

      break;

    case CHILD_PROP_PADDING:

      g_value_set_uint (value, padding);

      break;

    case CHILD_PROP_PACK_TYPE:

      g_value_set_enum (value, pack_type);

      break;

    case CHILD_PROP_POSITION:

      i = 0;

      for (list = GTK_BOX (container)->children; list; list = list->next)

	{

	  GtkBoxChild *child_entry;

	  child_entry = list->data;

	  if (child_entry->widget == child)

	    break;

	  i++;

	}

      g_value_set_int (value, list ? i : -1);

      break;

    default:

      GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);

      break;

    }

}

static void

gtk_box_pack (GtkBox      *box,

              GtkWidget   *child,

              gboolean     expand,

              gboolean     fill,

              guint        padding,

              GtkPackType  pack_type)

{

  GtkBoxChild *child_info;

  g_return_if_fail (GTK_IS_BOX (box));

  g_return_if_fail (GTK_IS_WIDGET (child));

  g_return_if_fail (child->parent == NULL);

  child_info = g_new (GtkBoxChild, 1);

  child_info->widget = child;

  child_info->padding = padding;

  child_info->expand = expand ? TRUE : FALSE;

  child_info->fill = fill ? TRUE : FALSE;

  child_info->pack = pack_type;

  child_info->is_secondary = FALSE;

  box->children = g_list_append (box->children, child_info);

  gtk_widget_freeze_child_notify (child);

  gtk_widget_set_parent (child, GTK_WIDGET (box));

  gtk_widget_child_notify (child, "expand");

  gtk_widget_child_notify (child, "fill");

  gtk_widget_child_notify (child, "padding");

  gtk_widget_child_notify (child, "pack-type");

  gtk_widget_child_notify (child, "position");

  gtk_widget_thaw_child_notify (child);

}

/**

 * gtk_box_new:

 * @orientation: the box' orientation.

 * @homogeneous: %TRUE if all children are to be given equal space allocations.

 * @spacing: the number of pixels to place by default between children.

 *

 * Creates a new #GtkHBox.

 *

 * Return value: a new #GtkHBox.

 *

 * Since: 2.16

 **/

GtkWidget*

_gtk_box_new (GtkOrientation orientation,

              gboolean       homogeneous,

              gint           spacing)

{

  return g_object_new (GTK_TYPE_BOX,

                       "orientation", orientation,

                       "spacing",     spacing,

                       "homogeneous", homogeneous ? TRUE : FALSE,

                       NULL);

}

/**

 * gtk_box_pack_start:

 * @box: a #GtkBox

 * @child: the #GtkWidget to be added to @box

 * @expand: %TRUE if the new child is to be given extra space allocated to

 * @box.  The extra space will be divided evenly between all children of

 * @box that use this option

 * @fill: %TRUE if space given to @child by the @expand option is

 *   actually allocated to @child, rather than just padding it.  This

 *   parameter has no effect if @expand is set to %FALSE.  A child is

 *   always allocated the full height of a #GtkHBox and the full width 

 *   of a #GtkVBox. This option affects the other dimension

 * @padding: extra space in pixels to put between this child and its

 *   neighbors, over and above the global amount specified by

 *   #GtkBox:spacing property.  If @child is a widget at one of the 

 *   reference ends of @box, then @padding pixels are also put between 

 *   @child and the reference edge of @box

 *

 * Adds @child to @box, packed with reference to the start of @box.

 * The @child is packed after any other child packed with reference 

 * to the start of @box.

 */

void

gtk_box_pack_start (GtkBox    *box,

		    GtkWidget *child,

		    gboolean   expand,

		    gboolean   fill,

		    guint      padding)

{

  gtk_box_pack (box, child, expand, fill, padding, GTK_PACK_START);

}

/**

 * gtk_box_pack_end:

 * @box: a #GtkBox

 * @child: the #GtkWidget to be added to @box

 * @expand: %TRUE if the new child is to be given extra space allocated 

 *   to @box. The extra space will be divided evenly between all children 

 *   of @box that use this option

 * @fill: %TRUE if space given to @child by the @expand option is

 *   actually allocated to @child, rather than just padding it.  This

 *   parameter has no effect if @expand is set to %FALSE.  A child is

 *   always allocated the full height of a #GtkHBox and the full width 

 *   of a #GtkVBox.  This option affects the other dimension

 * @padding: extra space in pixels to put between this child and its

 *   neighbors, over and above the global amount specified by

 *   #GtkBox:spacing property.  If @child is a widget at one of the 

 *   reference ends of @box, then @padding pixels are also put between 

 *   @child and the reference edge of @box

 *

 * Adds @child to @box, packed with reference to the end of @box.  

 * The @child is packed after (away from end of) any other child 

 * packed with reference to the end of @box.

 */

void

gtk_box_pack_end (GtkBox    *box,

		  GtkWidget *child,

		  gboolean   expand,

		  gboolean   fill,

		  guint      padding)

{

  gtk_box_pack (box, child, expand, fill, padding, GTK_PACK_END);

}

/**

 * gtk_box_pack_start_defaults:

 * @box: a #GtkBox

 * @widget: the #GtkWidget to be added to @box

 *

 * Adds @widget to @box, packed with reference to the start of @box.

 * The child is packed after any other child packed with reference 

 * to the start of @box. 

 * 

 * Parameters for how to pack the child @widget, #GtkBox:expand, 

 * #GtkBox:fill and #GtkBox:padding, are given their default

 * values, %TRUE, %TRUE, and 0, respectively.

 *

 * Deprecated: 2.14: Use gtk_box_pack_start()

 */

void

gtk_box_pack_start_defaults (GtkBox    *box,

			     GtkWidget *child)

{

  gtk_box_pack_start (box, child, TRUE, TRUE, 0);

}

/**

 * gtk_box_pack_end_defaults:

 * @box: a #GtkBox

 * @widget: the #GtkWidget to be added to @box

 *

 * Adds @widget to @box, packed with reference to the end of @box.