/* 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 "gtktable.h"

#include "gtkprivate.h"

#include "gtkintl.h"

#include "gtkalias.h"

enum

{

  PROP_0,

  PROP_N_ROWS,

  PROP_N_COLUMNS,

  PROP_COLUMN_SPACING,

  PROP_ROW_SPACING,

  PROP_HOMOGENEOUS

};

enum

{

  CHILD_PROP_0,

  CHILD_PROP_LEFT_ATTACH,

  CHILD_PROP_RIGHT_ATTACH,

  CHILD_PROP_TOP_ATTACH,

  CHILD_PROP_BOTTOM_ATTACH,

  CHILD_PROP_X_OPTIONS,

  CHILD_PROP_Y_OPTIONS,

  CHILD_PROP_X_PADDING,

  CHILD_PROP_Y_PADDING

};

static void gtk_table_finalize	    (GObject	    *object);

static void gtk_table_size_request  (GtkWidget	    *widget,

				     GtkRequisition *requisition);

static void gtk_table_size_allocate (GtkWidget	    *widget,

				     GtkAllocation  *allocation);

static void gtk_table_add	    (GtkContainer   *container,

				     GtkWidget	    *widget);

static void gtk_table_remove	    (GtkContainer   *container,

				     GtkWidget	    *widget);

static void gtk_table_forall	    (GtkContainer   *container,

				     gboolean	     include_internals,

				     GtkCallback     callback,

				     gpointer	     callback_data);

static void gtk_table_get_property  (GObject         *object,

				     guint            prop_id,

				     GValue          *value,

				     GParamSpec      *pspec);

static void gtk_table_set_property  (GObject         *object,

				     guint            prop_id,

				     const GValue    *value,

				     GParamSpec      *pspec);

static void gtk_table_set_child_property (GtkContainer    *container,

					  GtkWidget       *child,

					  guint            property_id,

					  const GValue    *value,

					  GParamSpec      *pspec);

static void gtk_table_get_child_property (GtkContainer    *container,

					  GtkWidget       *child,

					  guint            property_id,

					  GValue          *value,

					  GParamSpec      *pspec);

static GType gtk_table_child_type   (GtkContainer   *container);

static void gtk_table_size_request_init	 (GtkTable *table);

static void gtk_table_size_request_pass1 (GtkTable *table);

static void gtk_table_size_request_pass2 (GtkTable *table);

static void gtk_table_size_request_pass3 (GtkTable *table);

static void gtk_table_size_allocate_init  (GtkTable *table);

static void gtk_table_size_allocate_pass1 (GtkTable *table);

static void gtk_table_size_allocate_pass2 (GtkTable *table);

G_DEFINE_TYPE (GtkTable, gtk_table, GTK_TYPE_CONTAINER)

static void

gtk_table_class_init (GtkTableClass *class)

{

  GObjectClass *gobject_class = G_OBJECT_CLASS (class);

  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);

  GtkContainerClass *container_class = GTK_CONTAINER_CLASS (class);

  gobject_class->finalize = gtk_table_finalize;

  gobject_class->get_property = gtk_table_get_property;

  gobject_class->set_property = gtk_table_set_property;

  widget_class->size_request = gtk_table_size_request;

  widget_class->size_allocate = gtk_table_size_allocate;

  container_class->add = gtk_table_add;

  container_class->remove = gtk_table_remove;

  container_class->forall = gtk_table_forall;

  container_class->child_type = gtk_table_child_type;

  container_class->set_child_property = gtk_table_set_child_property;

  container_class->get_child_property = gtk_table_get_child_property;

  g_object_class_install_property (gobject_class,

                                   PROP_N_ROWS,

                                   g_param_spec_uint ("n-rows",

						     P_("Rows"),

						     P_("The number of rows in the table"),

						     1,

						     65535,

						     1,

						     GTK_PARAM_READWRITE));

  g_object_class_install_property (gobject_class,

                                   PROP_N_COLUMNS,

                                   g_param_spec_uint ("n-columns",

						     P_("Columns"),

						     P_("The number of columns in the table"),

						     1,

						     65535,

						     1,

						     GTK_PARAM_READWRITE));

  g_object_class_install_property (gobject_class,

                                   PROP_ROW_SPACING,

                                   g_param_spec_uint ("row-spacing",

						     P_("Row spacing"),

						     P_("The amount of space between two consecutive rows"),

						     0,

						     65535,

						     0,

						     GTK_PARAM_READWRITE));

  g_object_class_install_property (gobject_class,

                                   PROP_COLUMN_SPACING,

                                   g_param_spec_uint ("column-spacing",

						     P_("Column spacing"),

						     P_("The amount of space between two consecutive columns"),

						     0,

						     65535,

						     0,

						     GTK_PARAM_READWRITE));

  g_object_class_install_property (gobject_class,

                                   PROP_HOMOGENEOUS,

                                   g_param_spec_boolean ("homogeneous",

							 P_("Homogeneous"),

							 P_("If TRUE, the table cells are all the same width/height"),

							 FALSE,

							 GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_LEFT_ATTACH,

					      g_param_spec_uint ("left-attach", 

								 P_("Left attachment"), 

								 P_("The column number to attach the left side of the child to"),

								 0, 65535, 0,

								 GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_RIGHT_ATTACH,

					      g_param_spec_uint ("right-attach", 

								 P_("Right attachment"), 

								 P_("The column number to attach the right side of a child widget to"),

								 1, 65535, 1,

								 GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_TOP_ATTACH,

					      g_param_spec_uint ("top-attach", 

								 P_("Top attachment"), 

								 P_("The row number to attach the top of a child widget to"),

								 0, 65535, 0,

								 GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_BOTTOM_ATTACH,

					      g_param_spec_uint ("bottom-attach",

								 P_("Bottom attachment"), 

								 P_("The row number to attach the bottom of the child to"),

								 1, 65535, 1,

								 GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_X_OPTIONS,

					      g_param_spec_flags ("x-options", 

								  P_("Horizontal options"), 

								  P_("Options specifying the horizontal behaviour of the child"),

								  GTK_TYPE_ATTACH_OPTIONS, GTK_EXPAND | GTK_FILL,

								  GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_Y_OPTIONS,

					      g_param_spec_flags ("y-options", 

								  P_("Vertical options"), 

								  P_("Options specifying the vertical behaviour of the child"),

								  GTK_TYPE_ATTACH_OPTIONS, GTK_EXPAND | GTK_FILL,

								  GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_X_PADDING,

					      g_param_spec_uint ("x-padding", 

								 P_("Horizontal padding"), 

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

								 0, 65535, 0,

								 GTK_PARAM_READWRITE));

  gtk_container_class_install_child_property (container_class,

					      CHILD_PROP_Y_PADDING,

					      g_param_spec_uint ("y-padding", 

								 P_("Vertical padding"), 

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

								 0, 65535, 0,

								 GTK_PARAM_READWRITE));

}

static GType

gtk_table_child_type (GtkContainer   *container)

{

  return GTK_TYPE_WIDGET;

}

static void

gtk_table_get_property (GObject      *object,

			guint         prop_id,

			GValue       *value,

			GParamSpec   *pspec)

{

  GtkTable *table;

  table = GTK_TABLE (object);

  switch (prop_id)

    {

    case PROP_N_ROWS:

      g_value_set_uint (value, table->nrows);

      break;

    case PROP_N_COLUMNS:

      g_value_set_uint (value, table->ncols);

      break;

    case PROP_ROW_SPACING:

      g_value_set_uint (value, table->row_spacing);

      break;

    case PROP_COLUMN_SPACING:

      g_value_set_uint (value, table->column_spacing);

      break;

    case PROP_HOMOGENEOUS:

      g_value_set_boolean (value, table->homogeneous);

      break;

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

    }

}

static void

gtk_table_set_property (GObject      *object,

			guint         prop_id,

			const GValue *value,

			GParamSpec   *pspec)

{

  GtkTable *table;

  table = GTK_TABLE (object);

  switch (prop_id)

    {

    case PROP_N_ROWS:

      gtk_table_resize (table, g_value_get_uint (value), table->ncols);

      break;

    case PROP_N_COLUMNS:

      gtk_table_resize (table, table->nrows, g_value_get_uint (value));

      break;

    case PROP_ROW_SPACING:

      gtk_table_set_row_spacings (table, g_value_get_uint (value));

      break;

    case PROP_COLUMN_SPACING:

      gtk_table_set_col_spacings (table, g_value_get_uint (value));

      break;

    case PROP_HOMOGENEOUS:

      gtk_table_set_homogeneous (table, g_value_get_boolean (value));

      break;

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

    }

}

static void

gtk_table_set_child_property (GtkContainer    *container,

			      GtkWidget       *child,

			      guint            property_id,

			      const GValue    *value,

			      GParamSpec      *pspec)

{

  GtkTable *table = GTK_TABLE (container);

  GtkTableChild *table_child;

  GList *list;

  table_child = NULL;

  for (list = table->children; list; list = list->next)

    {

      table_child = list->data;

      if (table_child->widget == child)

	break;

    }

  if (!list)

    {

      GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);

      return;

    }

  switch (property_id)

    {

    case CHILD_PROP_LEFT_ATTACH:

      table_child->left_attach = g_value_get_uint (value);

      if (table_child->right_attach <= table_child->left_attach)

	table_child->right_attach = table_child->left_attach + 1;

      if (table_child->right_attach >= table->ncols)

	gtk_table_resize (table, table->nrows, table_child->right_attach);

      break;

    case CHILD_PROP_RIGHT_ATTACH:

      table_child->right_attach = g_value_get_uint (value);

      if (table_child->right_attach <= table_child->left_attach)

	table_child->left_attach = table_child->right_attach - 1;

      if (table_child->right_attach >= table->ncols)

	gtk_table_resize (table, table->nrows, table_child->right_attach);

      break;

    case CHILD_PROP_TOP_ATTACH:

      table_child->top_attach = g_value_get_uint (value);

      if (table_child->bottom_attach <= table_child->top_attach)

	table_child->bottom_attach = table_child->top_attach + 1;

      if (table_child->bottom_attach >= table->nrows)

	gtk_table_resize (table, table_child->bottom_attach, table->ncols);

      break;

    case CHILD_PROP_BOTTOM_ATTACH:

      table_child->bottom_attach = g_value_get_uint (value);

      if (table_child->bottom_attach <= table_child->top_attach)

	table_child->top_attach = table_child->bottom_attach - 1;

      if (table_child->bottom_attach >= table->nrows)

	gtk_table_resize (table, table_child->bottom_attach, table->ncols);

      break;

    case CHILD_PROP_X_OPTIONS:

      table_child->xexpand = (g_value_get_flags (value) & GTK_EXPAND) != 0;

      table_child->xshrink = (g_value_get_flags (value) & GTK_SHRINK) != 0;

      table_child->xfill = (g_value_get_flags (value) & GTK_FILL) != 0;

      break;

    case CHILD_PROP_Y_OPTIONS:

      table_child->yexpand = (g_value_get_flags (value) & GTK_EXPAND) != 0;

      table_child->yshrink = (g_value_get_flags (value) & GTK_SHRINK) != 0;

      table_child->yfill = (g_value_get_flags (value) & GTK_FILL) != 0;

      break;

    case CHILD_PROP_X_PADDING:

      table_child->xpadding = g_value_get_uint (value);

      break;

    case CHILD_PROP_Y_PADDING:

      table_child->ypadding = g_value_get_uint (value);

      break;

    default:

      GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);

      break;

    }

  if (gtk_widget_get_visible (child) &&

      gtk_widget_get_visible (GTK_WIDGET (table)))

    gtk_widget_queue_resize (child);

}

static void

gtk_table_get_child_property (GtkContainer    *container,

			      GtkWidget       *child,

			      guint            property_id,

			      GValue          *value,

			      GParamSpec      *pspec)

{

  GtkTable *table = GTK_TABLE (container);

  GtkTableChild *table_child;

  GList *list;

  table_child = NULL;

  for (list = table->children; list; list = list->next)

    {

      table_child = list->data;

      if (table_child->widget == child)

	break;

    }

  if (!list)

    {

      GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);

      return;

    }

  switch (property_id)

    {

    case CHILD_PROP_LEFT_ATTACH:

      g_value_set_uint (value, table_child->left_attach);

      break;

    case CHILD_PROP_RIGHT_ATTACH:

      g_value_set_uint (value, table_child->right_attach);

      break;

    case CHILD_PROP_TOP_ATTACH:

      g_value_set_uint (value, table_child->top_attach);

      break;

    case CHILD_PROP_BOTTOM_ATTACH:

      g_value_set_uint (value, table_child->bottom_attach);

      break;

    case CHILD_PROP_X_OPTIONS:

      g_value_set_flags (value, (table_child->xexpand * GTK_EXPAND |

				 table_child->xshrink * GTK_SHRINK |

				 table_child->xfill * GTK_FILL));

      break;

    case CHILD_PROP_Y_OPTIONS:

      g_value_set_flags (value, (table_child->yexpand * GTK_EXPAND |

				 table_child->yshrink * GTK_SHRINK |

				 table_child->yfill * GTK_FILL));

      break;

    case CHILD_PROP_X_PADDING:

      g_value_set_uint (value, table_child->xpadding);

      break;

    case CHILD_PROP_Y_PADDING:

      g_value_set_uint (value, table_child->ypadding);

      break;

    default:

      GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);

      break;

    }

}

static void

gtk_table_init (GtkTable *table)

{

  gtk_widget_set_has_window (GTK_WIDGET (table), FALSE);

  gtk_widget_set_redraw_on_allocate (GTK_WIDGET (table), FALSE);

  table->children = NULL;

  table->rows = NULL;

  table->cols = NULL;

  table->nrows = 0;

  table->ncols = 0;

  table->column_spacing = 0;

  table->row_spacing = 0;

  table->homogeneous = FALSE;

  gtk_table_resize (table, 1, 1);

}

GtkWidget*

gtk_table_new (guint	rows,

	       guint	columns,

	       gboolean homogeneous)

{

  GtkTable *table;

  if (rows == 0)

    rows = 1;

  if (columns == 0)

    columns = 1;

  table = g_object_new (GTK_TYPE_TABLE, NULL);

  table->homogeneous = (homogeneous ? TRUE : FALSE);

  gtk_table_resize (table, rows, columns);

  return GTK_WIDGET (table);

}

void

gtk_table_resize (GtkTable *table,

		  guint     n_rows,

		  guint     n_cols)

{

  g_return_if_fail (GTK_IS_TABLE (table));

  g_return_if_fail (n_rows > 0 && n_rows <= 65535);

  g_return_if_fail (n_cols > 0 && n_cols <= 65535);

  n_rows = MAX (n_rows, 1);

  n_cols = MAX (n_cols, 1);

  if (n_rows != table->nrows ||

      n_cols != table->ncols)

    {

      GList *list;

      for (list = table->children; list; list = list->next)

	{

	  GtkTableChild *child;

	  child = list->data;

	  n_rows = MAX (n_rows, child->bottom_attach);

	  n_cols = MAX (n_cols, child->right_attach);

	}

      if (n_rows != table->nrows)

	{

	  guint i;

	  i = table->nrows;

	  table->nrows = n_rows;

	  table->rows = g_realloc (table->rows, table->nrows * sizeof (GtkTableRowCol));

	  for (; i < table->nrows; i++)

	    {

	      table->rows[i].requisition = 0;

	      table->rows[i].allocation = 0;

	      table->rows[i].spacing = table->row_spacing;

	      table->rows[i].need_expand = 0;

	      table->rows[i].need_shrink = 0;

	      table->rows[i].expand = 0;

	      table->rows[i].shrink = 0;

	    }

	  g_object_notify (G_OBJECT (table), "n-rows");

	}

      if (n_cols != table->ncols)

	{

	  guint i;

	  i = table->ncols;

	  table->ncols = n_cols;

	  table->cols = g_realloc (table->cols, table->ncols * sizeof (GtkTableRowCol));

	  for (; i < table->ncols; i++)

	    {

	      table->cols[i].requisition = 0;

	      table->cols[i].allocation = 0;

	      table->cols[i].spacing = table->column_spacing;

	      table->cols[i].need_expand = 0;

	      table->cols[i].need_shrink = 0;

	      table->cols[i].expand = 0;

	      table->cols[i].shrink = 0;

	    }

	  g_object_notify (G_OBJECT (table), "n-columns");

	}

    }

}

void

gtk_table_attach (GtkTable	  *table,

		  GtkWidget	  *child,

		  guint		   left_attach,

		  guint		   right_attach,

		  guint		   top_attach,

		  guint		   bottom_attach,

		  GtkAttachOptions xoptions,

		  GtkAttachOptions yoptions,

		  guint		   xpadding,

		  guint		   ypadding)

{

  GtkTableChild *table_child;

  g_return_if_fail (GTK_IS_TABLE (table));

  g_return_if_fail (GTK_IS_WIDGET (child));

  g_return_if_fail (child->parent == NULL);

  /* g_return_if_fail (left_attach >= 0); */

  g_return_if_fail (left_attach < right_attach);

  /* g_return_if_fail (top_attach >= 0); */

  g_return_if_fail (top_attach < bottom_attach);

  if (right_attach >= table->ncols)

    gtk_table_resize (table, table->nrows, right_attach);

  if (bottom_attach >= table->nrows)

    gtk_table_resize (table, bottom_attach, table->ncols);

  table_child = g_new (GtkTableChild, 1);

  table_child->widget = child;

  table_child->left_attach = left_attach;

  table_child->right_attach = right_attach;

  table_child->top_attach = top_attach;

  table_child->bottom_attach = bottom_attach;

  table_child->xexpand = (xoptions & GTK_EXPAND) != 0;

  table_child->xshrink = (xoptions & GTK_SHRINK) != 0;

  table_child->xfill = (xoptions & GTK_FILL) != 0;

  table_child->xpadding = xpadding;

  table_child->yexpand = (yoptions & GTK_EXPAND) != 0;

  table_child->yshrink = (yoptions & GTK_SHRINK) != 0;

  table_child->yfill = (yoptions & GTK_FILL) != 0;

  table_child->ypadding = ypadding;

  table->children = g_list_prepend (table->children, table_child);

  gtk_widget_set_parent (child, GTK_WIDGET (table));

}

void

gtk_table_attach_defaults (GtkTable  *table,

			   GtkWidget *widget,

			   guint      left_attach,

			   guint      right_attach,

			   guint      top_attach,

			   guint      bottom_attach)

{

  gtk_table_attach (table, widget,

		    left_attach, right_attach,

		    top_attach, bottom_attach,

		    GTK_EXPAND | GTK_FILL,

		    GTK_EXPAND | GTK_FILL,

		    0, 0);

}

void

gtk_table_set_row_spacing (GtkTable *table,

			   guint     row,

			   guint     spacing)

{

  g_return_if_fail (GTK_IS_TABLE (table));

  g_return_if_fail (row < table->nrows);

  if (table->rows[row].spacing != spacing)

    {

      table->rows[row].spacing = spacing;

      if (gtk_widget_get_visible (GTK_WIDGET (table)))

	gtk_widget_queue_resize (GTK_WIDGET (table));

    }

}

/**

 * gtk_table_get_row_spacing:

 * @table: a #GtkTable

 * @row: a row in the table, 0 indicates the first row

 *

 * Gets the amount of space between row @row, and

 * row @row + 1. See gtk_table_set_row_spacing().

 *

 * Return value: the row spacing

 **/

guint

gtk_table_get_row_spacing (GtkTable *table,

			   guint     row)

{

  g_return_val_if_fail (GTK_IS_TABLE (table), 0);

  g_return_val_if_fail (row < table->nrows - 1, 0);

  return table->rows[row].spacing;

}

void

gtk_table_set_col_spacing (GtkTable *table,

			   guint     column,

			   guint     spacing)

{

  g_return_if_fail (GTK_IS_TABLE (table));

  g_return_if_fail (column < table->ncols);

  if (table->cols[column].spacing != spacing)

    {

      table->cols[column].spacing = spacing;

      if (gtk_widget_get_visible (GTK_WIDGET (table)))

	gtk_widget_queue_resize (GTK_WIDGET (table));

    }

}

/**

 * gtk_table_get_col_spacing:

 * @table: a #GtkTable

 * @column: a column in the table, 0 indicates the first column

 *

 * Gets the amount of space between column @col, and

 * column @col + 1. See gtk_table_set_col_spacing().

 *

 * Return value: the column spacing

 **/

guint

gtk_table_get_col_spacing (GtkTable *table,

			   guint     column)

{

  g_return_val_if_fail (GTK_IS_TABLE (table), 0);

  g_return_val_if_fail (column < table->ncols, 0);

  return table->cols[column].spacing;

}

void

gtk_table_set_row_spacings (GtkTable *table,

			    guint     spacing)

{

  guint row;

  g_return_if_fail (GTK_IS_TABLE (table));

  table->row_spacing = spacing;

  for (row = 0; row < table->nrows; row++)

    table->rows[row].spacing = spacing;

  if (gtk_widget_get_visible (GTK_WIDGET (table)))

    gtk_widget_queue_resize (GTK_WIDGET (table));

  g_object_notify (G_OBJECT (table), "row-spacing");

}

/**

 * gtk_table_get_default_row_spacing:

 * @table: a #GtkTable

 *

 * Gets the default row spacing for the table. This is

 * the spacing that will be used for newly added rows.

 * (See gtk_table_set_row_spacings())

 *

 * Return value: the default row spacing

 **/

guint

gtk_table_get_default_row_spacing (GtkTable *table)

{

  g_return_val_if_fail (GTK_IS_TABLE (table), 0);

  return table->row_spacing;

}

void

gtk_table_set_col_spacings (GtkTable *table,

			    guint     spacing)

{

  guint col;

  g_return_if_fail (GTK_IS_TABLE (table));

  table->column_spacing = spacing;

  for (col = 0; col < table->ncols; col++)

    table->cols[col].spacing = spacing;

  if (gtk_widget_get_visible (GTK_WIDGET (table)))

    gtk_widget_queue_resize (GTK_WIDGET (table));

  g_object_notify (G_OBJECT (table), "column-spacing");

}

/**

 * gtk_table_get_default_col_spacing:

 * @table: a #GtkTable

 *

 * Gets the default column spacing for the table. This is

 * the spacing that will be used for newly added columns.

 * (See gtk_table_set_col_spacings())

 *

 * Return value: the default column spacing

 **/

guint

gtk_table_get_default_col_spacing (GtkTable *table)

{

  g_return_val_if_fail (GTK_IS_TABLE (table), 0);

  return table->column_spacing;

}

void

gtk_table_set_homogeneous (GtkTable *table,

			   gboolean  homogeneous)

{

  g_return_if_fail (GTK_IS_TABLE (table));

  homogeneous = (homogeneous != 0);

  if (homogeneous != table->homogeneous)

    {

      table->homogeneous = homogeneous;

      if (gtk_widget_get_visible (GTK_WIDGET (table)))

	gtk_widget_queue_resize (GTK_WIDGET (table));

      g_object_notify (G_OBJECT (table), "homogeneous");

    }

}

/**

 * gtk_table_get_homogeneous:

 * @table: a #GtkTable

 *

 * Returns whether the table cells are all constrained to the same

 * width and height. (See gtk_table_set_homogenous ())

 *

 * Return value: %TRUE if the cells are all constrained to the same size

 **/

gboolean

gtk_table_get_homogeneous (GtkTable *table)

{

  g_return_val_if_fail (GTK_IS_TABLE (table), FALSE);

  return table->homogeneous;

}

/**

 * gtk_table_get_size:

 * @table: a #GtkTable

 * @rows: (out) (allow-none): return location for the number of

 *   rows, or %NULL

 * @columns: (out) (allow-none): return location for the number

 *   of columns, or %NULL

 *

 * Returns the number of rows and columns in the table.

 *

 * Since: 2.22

 **/

void

gtk_table_get_size (GtkTable *table,

                    guint    *rows,

                    guint    *columns)

{

  g_return_if_fail (GTK_IS_TABLE (table));

  if (rows)

    *rows = table->nrows;

  if (columns)

    *columns = table->ncols;

}

static void

gtk_table_finalize (GObject *object)

{

  GtkTable *table = GTK_TABLE (object);

  g_free (table->rows);

  g_free (table->cols);

  G_OBJECT_CLASS (gtk_table_parent_class)->finalize (object);

}

static void

gtk_table_size_request (GtkWidget      *widget,

			GtkRequisition *requisition)

{

  GtkTable *table = GTK_TABLE (widget);

  gint row, col;

  requisition->width = 0;

  requisition->height = 0;

  gtk_table_size_request_init (table);

  gtk_table_size_request_pass1 (table);

  gtk_table_size_request_pass2 (table);

  gtk_table_size_request_pass3 (table);

  gtk_table_size_request_pass2 (table);

  for (col = 0; col < table->ncols; col++)

    requisition->width += table->cols[col].requisition;

  for (col = 0; col + 1 < table->ncols; col++)

    requisition->width += table->cols[col].spacing;

  for (row = 0; row < table->nrows; row++)

    requisition->height += table->rows[row].requisition;

  for (row = 0; row + 1 < table->nrows; row++)

    requisition->height += table->rows[row].spacing;

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

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

}

static void

gtk_table_size_allocate (GtkWidget     *widget,

			 GtkAllocation *allocation)

{

  GtkTable *table = GTK_TABLE (widget);

  widget->allocation = *allocation;

  gtk_table_size_allocate_init (table);

  gtk_table_size_allocate_pass1 (table);

  gtk_table_size_allocate_pass2 (table);

}

static void

gtk_table_add (GtkContainer *container,