Pileus Git - ~andy/gtk/blob - gtk/gtktable.c

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GTK+ Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #include <config.h>
  28 #include "gtktable.h"
  29 #include "gtkprivate.h"
  30 #include "gtkintl.h"
  31 #include "gtkalias.h"
  32
  33 enum
  34 {
  35   PROP_0,
  36   PROP_N_ROWS,
  37   PROP_N_COLUMNS,
  38   PROP_COLUMN_SPACING,
  39   PROP_ROW_SPACING,
  40   PROP_HOMOGENEOUS
  41 };
  42
  43 enum
  44 {
  45   CHILD_PROP_0,
  46   CHILD_PROP_LEFT_ATTACH,
  47   CHILD_PROP_RIGHT_ATTACH,
  48   CHILD_PROP_TOP_ATTACH,
  49   CHILD_PROP_BOTTOM_ATTACH,
  50   CHILD_PROP_X_OPTIONS,
  51   CHILD_PROP_Y_OPTIONS,
  52   CHILD_PROP_X_PADDING,
  53   CHILD_PROP_Y_PADDING
  54 };
  55
  56
  57 static void gtk_table_class_init    (GtkTableClass  *klass);
  58 static void gtk_table_init          (GtkTable       *table);
  59 static void gtk_table_finalize      (GObject        *object);
  60 static void gtk_table_size_request  (GtkWidget      *widget,
  61                                      GtkRequisition *requisition);
  62 static void gtk_table_size_allocate (GtkWidget      *widget,
  63                                      GtkAllocation  *allocation);
  64 static void gtk_table_add           (GtkContainer   *container,
  65                                      GtkWidget      *widget);
  66 static void gtk_table_remove        (GtkContainer   *container,
  67                                      GtkWidget      *widget);
  68 static void gtk_table_forall        (GtkContainer   *container,
  69                                      gboolean        include_internals,
  70                                      GtkCallback     callback,
  71                                      gpointer        callback_data);
  72 static void gtk_table_get_property  (GObject         *object,
  73                                      guint            prop_id,
  74                                      GValue          *value,
  75                                      GParamSpec      *pspec);
  76 static void gtk_table_set_property  (GObject         *object,
  77                                      guint            prop_id,
  78                                      const GValue    *value,
  79                                      GParamSpec      *pspec);
  80 static void gtk_table_set_child_property (GtkContainer    *container,
  81                                           GtkWidget       *child,
  82                                           guint            property_id,
  83                                           const GValue    *value,
  84                                           GParamSpec      *pspec);
  85 static void gtk_table_get_child_property (GtkContainer    *container,
  86                                           GtkWidget       *child,
  87                                           guint            property_id,
  88                                           GValue          *value,
  89                                           GParamSpec      *pspec);
  90 static GType gtk_table_child_type   (GtkContainer   *container);
  91
  92
  93 static void gtk_table_size_request_init  (GtkTable *table);
  94 static void gtk_table_size_request_pass1 (GtkTable *table);
  95 static void gtk_table_size_request_pass2 (GtkTable *table);
  96 static void gtk_table_size_request_pass3 (GtkTable *table);
  97
  98 static void gtk_table_size_allocate_init  (GtkTable *table);
  99 static void gtk_table_size_allocate_pass1 (GtkTable *table);
 100 static void gtk_table_size_allocate_pass2 (GtkTable *table);
 101
 102
 103 static GtkContainerClass *parent_class = NULL;
 104
 105
 106 GType
 107 gtk_table_get_type (void)
 108 {
 109   static GType table_type = 0;
 110
 111   if (!table_type)
 112     {
 113       static const GTypeInfo table_info =
 114       {
 115         sizeof (GtkTableClass),
 116         NULL,
 117         NULL,
 118         (GClassInitFunc) gtk_table_class_init,
 119         NULL,
 120         NULL,
 121         sizeof (GtkTable),
 122         0,
 123         (GInstanceInitFunc) gtk_table_init,
 124       };
 125
 126       table_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkTable",
 127                                            &table_info, 0);
 128     }
 129
 130   return table_type;
 131 }
 132
 133 static void
 134 gtk_table_class_init (GtkTableClass *class)
 135 {
 136   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
 137   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
 138   GtkContainerClass *container_class = GTK_CONTAINER_CLASS (class);
 139
 140   parent_class = g_type_class_peek_parent (class);
 141
 142   gobject_class->finalize = gtk_table_finalize;
 143
 144   gobject_class->get_property = gtk_table_get_property;
 145   gobject_class->set_property = gtk_table_set_property;
 146
 147   widget_class->size_request = gtk_table_size_request;
 148   widget_class->size_allocate = gtk_table_size_allocate;
 149
 150   container_class->add = gtk_table_add;
 151   container_class->remove = gtk_table_remove;
 152   container_class->forall = gtk_table_forall;
 153   container_class->child_type = gtk_table_child_type;
 154   container_class->set_child_property = gtk_table_set_child_property;
 155   container_class->get_child_property = gtk_table_get_child_property;
 156
 157
 158   g_object_class_install_property (gobject_class,
 159                                    PROP_N_ROWS,
 160                                    g_param_spec_uint ("n-rows",
 161                                                      P_("Rows"),
 162                                                      P_("The number of rows in the table"),
 163                                                      0,
 164                                                      G_MAXUINT,
 165                                                      0,
 166                                                      GTK_PARAM_READWRITE));
 167   g_object_class_install_property (gobject_class,
 168                                    PROP_N_COLUMNS,
 169                                    g_param_spec_uint ("n-columns",
 170                                                      P_("Columns"),
 171                                                      P_("The number of columns in the table"),
 172                                                      0,
 173                                                      G_MAXUINT,
 174                                                      0,
 175                                                      GTK_PARAM_READWRITE));
 176   g_object_class_install_property (gobject_class,
 177                                    PROP_ROW_SPACING,
 178                                    g_param_spec_uint ("row-spacing",
 179                                                      P_("Row spacing"),
 180                                                      P_("The amount of space between two consecutive rows"),
 181                                                      0,
 182                                                      G_MAXUINT,
 183                                                      0,
 184                                                      GTK_PARAM_READWRITE));
 185   g_object_class_install_property (gobject_class,
 186                                    PROP_COLUMN_SPACING,
 187                                    g_param_spec_uint ("column-spacing",
 188                                                      P_("Column spacing"),
 189                                                      P_("The amount of space between two consecutive columns"),
 190                                                      0,
 191                                                      G_MAXUINT,
 192                                                      0,
 193                                                      GTK_PARAM_READWRITE));
 194   g_object_class_install_property (gobject_class,
 195                                    PROP_HOMOGENEOUS,
 196                                    g_param_spec_boolean ("homogeneous",
 197                                                          P_("Homogenous"),
 198                                                          P_("If TRUE this means the table cells are all the same width/height"),
 199                                                          FALSE,
 200                                                          GTK_PARAM_READWRITE));
 201
 202   gtk_container_class_install_child_property (container_class,
 203                                               CHILD_PROP_LEFT_ATTACH,
 204                                               g_param_spec_uint ("left-attach",
 205                                                                  P_("Left attachment"),
 206                                                                  P_("The column number to attach the left side of the child to"),
 207                                                                  0, 65535, 0,
 208                                                                  GTK_PARAM_READWRITE));
 209   gtk_container_class_install_child_property (container_class,
 210                                               CHILD_PROP_RIGHT_ATTACH,
 211                                               g_param_spec_uint ("right-attach",
 212                                                                  P_("Right attachment"),
 213                                                                  P_("The column number to attach the right side of a child widget to"),
 214                                                                  1, 65535, 1,
 215                                                                  GTK_PARAM_READWRITE));
 216   gtk_container_class_install_child_property (container_class,
 217                                               CHILD_PROP_TOP_ATTACH,
 218                                               g_param_spec_uint ("top-attach",
 219                                                                  P_("Top attachment"),
 220                                                                  P_("The row number to attach the top of a child widget to"),
 221                                                                  0, 65535, 0,
 222                                                                  GTK_PARAM_READWRITE));
 223   gtk_container_class_install_child_property (container_class,
 224                                               CHILD_PROP_BOTTOM_ATTACH,
 225                                               g_param_spec_uint ("bottom-attach",
 226                                                                  P_("Bottom attachment"),
 227                                                                  P_("The row number to attach the bottom of the child to"),
 228                                                                  1, 65535, 1,
 229                                                                  GTK_PARAM_READWRITE));
 230   gtk_container_class_install_child_property (container_class,
 231                                               CHILD_PROP_X_OPTIONS,
 232                                               g_param_spec_flags ("x-options",
 233                                                                   P_("Horizontal options"),
 234                                                                   P_("Options specifying the horizontal behaviour of the child"),
 235                                                                   GTK_TYPE_ATTACH_OPTIONS, GTK_EXPAND | GTK_FILL,
 236                                                                   GTK_PARAM_READWRITE));
 237   gtk_container_class_install_child_property (container_class,
 238                                               CHILD_PROP_Y_OPTIONS,
 239                                               g_param_spec_flags ("y-options",
 240                                                                   P_("Vertical options"),
 241                                                                   P_("Options specifying the vertical behaviour of the child"),
 242                                                                   GTK_TYPE_ATTACH_OPTIONS, GTK_EXPAND | GTK_FILL,
 243                                                                   GTK_PARAM_READWRITE));
 244   gtk_container_class_install_child_property (container_class,
 245                                               CHILD_PROP_X_PADDING,
 246                                               g_param_spec_uint ("x-padding",
 247                                                                  P_("Horizontal padding"),
 248                                                                  P_("Extra space to put between the child and its left and right neighbors, in pixels"),
 249                                                                  0, 65535, 0,
 250                                                                  GTK_PARAM_READWRITE));
 251   gtk_container_class_install_child_property (container_class,
 252                                               CHILD_PROP_Y_PADDING,
 253                                               g_param_spec_uint ("y-padding",
 254                                                                  P_("Vertical padding"),
 255                                                                  P_("Extra space to put between the child and its upper and lower neighbors, in pixels"),
 256                                                                  0, 65535, 0,
 257                                                                  GTK_PARAM_READWRITE));
 258 }
 259
 260 static GType
 261 gtk_table_child_type (GtkContainer   *container)
 262 {
 263   return GTK_TYPE_WIDGET;
 264 }
 265
 266 static void
 267 gtk_table_get_property (GObject      *object,
 268                         guint         prop_id,
 269                         GValue       *value,
 270                         GParamSpec   *pspec)
 271 {
 272   GtkTable *table;
 273
 274   table = GTK_TABLE (object);
 275
 276   switch (prop_id)
 277     {
 278     case PROP_N_ROWS:
 279       g_value_set_uint (value, table->nrows);
 280       break;
 281     case PROP_N_COLUMNS:
 282       g_value_set_uint (value, table->ncols);
 283       break;
 284     case PROP_ROW_SPACING:
 285       g_value_set_uint (value, table->row_spacing);
 286       break;
 287     case PROP_COLUMN_SPACING:
 288       g_value_set_uint (value, table->column_spacing);
 289       break;
 290     case PROP_HOMOGENEOUS:
 291       g_value_set_boolean (value, table->homogeneous);
 292       break;
 293     default:
 294       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 295       break;
 296     }
 297 }
 298
 299 static void
 300 gtk_table_set_property (GObject      *object,
 301                         guint         prop_id,
 302                         const GValue *value,
 303                         GParamSpec   *pspec)
 304 {
 305   GtkTable *table;
 306
 307   table = GTK_TABLE (object);
 308
 309   switch (prop_id)
 310     {
 311     case PROP_N_ROWS:
 312       gtk_table_resize (table, g_value_get_uint (value), table->ncols);
 313       break;
 314     case PROP_N_COLUMNS:
 315       gtk_table_resize (table, table->nrows, g_value_get_uint (value));
 316       break;
 317     case PROP_ROW_SPACING:
 318       gtk_table_set_row_spacings (table, g_value_get_uint (value));
 319       break;
 320     case PROP_COLUMN_SPACING:
 321       gtk_table_set_col_spacings (table, g_value_get_uint (value));
 322       break;
 323     case PROP_HOMOGENEOUS:
 324       gtk_table_set_homogeneous (table, g_value_get_boolean (value));
 325       break;
 326     default:
 327       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 328       break;
 329     }
 330 }
 331
 332 static void
 333 gtk_table_set_child_property (GtkContainer    *container,
 334                               GtkWidget       *child,
 335                               guint            property_id,
 336                               const GValue    *value,
 337                               GParamSpec      *pspec)
 338 {
 339   GtkTable *table = GTK_TABLE (container);
 340   GtkTableChild *table_child;
 341   GList *list;
 342
 343   table_child = NULL;
 344   for (list = table->children; list; list = list->next)
 345     {
 346       table_child = list->data;
 347
 348       if (table_child->widget == child)
 349         break;
 350     }
 351   if (!list)
 352     {
 353       GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
 354       return;
 355     }
 356
 357   switch (property_id)
 358     {
 359     case CHILD_PROP_LEFT_ATTACH:
 360       table_child->left_attach = g_value_get_uint (value);
 361       if (table_child->right_attach <= table_child->left_attach)
 362         table_child->right_attach = table_child->left_attach + 1;
 363       if (table_child->right_attach >= table->ncols)
 364         gtk_table_resize (table, table->nrows, table_child->right_attach);
 365       break;
 366     case CHILD_PROP_RIGHT_ATTACH:
 367       table_child->right_attach = g_value_get_uint (value);
 368       if (table_child->right_attach <= table_child->left_attach)
 369         table_child->left_attach = table_child->right_attach - 1;
 370       if (table_child->right_attach >= table->ncols)
 371         gtk_table_resize (table, table->nrows, table_child->right_attach);
 372       break;
 373     case CHILD_PROP_TOP_ATTACH:
 374       table_child->top_attach = g_value_get_uint (value);
 375       if (table_child->bottom_attach <= table_child->top_attach)
 376         table_child->bottom_attach = table_child->top_attach + 1;
 377       if (table_child->bottom_attach >= table->nrows)
 378         gtk_table_resize (table, table_child->bottom_attach, table->ncols);
 379       break;
 380     case CHILD_PROP_BOTTOM_ATTACH:
 381       table_child->bottom_attach = g_value_get_uint (value);
 382       if (table_child->bottom_attach <= table_child->top_attach)
 383         table_child->top_attach = table_child->bottom_attach - 1;
 384       if (table_child->bottom_attach >= table->nrows)
 385         gtk_table_resize (table, table_child->bottom_attach, table->ncols);
 386       break;
 387     case CHILD_PROP_X_OPTIONS:
 388       table_child->xexpand = (g_value_get_flags (value) & GTK_EXPAND) != 0;
 389       table_child->xshrink = (g_value_get_flags (value) & GTK_SHRINK) != 0;
 390       table_child->xfill = (g_value_get_flags (value) & GTK_FILL) != 0;
 391       break;
 392     case CHILD_PROP_Y_OPTIONS:
 393       table_child->yexpand = (g_value_get_flags (value) & GTK_EXPAND) != 0;
 394       table_child->yshrink = (g_value_get_flags (value) & GTK_SHRINK) != 0;
 395       table_child->yfill = (g_value_get_flags (value) & GTK_FILL) != 0;
 396       break;
 397     case CHILD_PROP_X_PADDING:
 398       table_child->xpadding = g_value_get_uint (value);
 399       break;
 400     case CHILD_PROP_Y_PADDING:
 401       table_child->ypadding = g_value_get_uint (value);
 402       break;
 403     default:
 404       GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
 405       break;
 406     }
 407   if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (table))
 408     gtk_widget_queue_resize (child);
 409 }
 410
 411 static void
 412 gtk_table_get_child_property (GtkContainer    *container,
 413                               GtkWidget       *child,
 414                               guint            property_id,
 415                               GValue          *value,
 416                               GParamSpec      *pspec)
 417 {
 418   GtkTable *table = GTK_TABLE (container);
 419   GtkTableChild *table_child;
 420   GList *list;
 421
 422   table_child = NULL;
 423   for (list = table->children; list; list = list->next)
 424     {
 425       table_child = list->data;
 426
 427       if (table_child->widget == child)
 428         break;
 429     }
 430   if (!list)
 431     {
 432       GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
 433       return;
 434     }
 435
 436   switch (property_id)
 437     {
 438     case CHILD_PROP_LEFT_ATTACH:
 439       g_value_set_uint (value, table_child->left_attach);
 440       break;
 441     case CHILD_PROP_RIGHT_ATTACH:
 442       g_value_set_uint (value, table_child->right_attach);
 443       break;
 444     case CHILD_PROP_TOP_ATTACH:
 445       g_value_set_uint (value, table_child->top_attach);
 446       break;
 447     case CHILD_PROP_BOTTOM_ATTACH:
 448       g_value_set_uint (value, table_child->bottom_attach);
 449       break;
 450     case CHILD_PROP_X_OPTIONS:
 451       g_value_set_flags (value, (table_child->xexpand * GTK_EXPAND |
 452                                  table_child->xshrink * GTK_SHRINK |
 453                                  table_child->xfill * GTK_FILL));
 454       break;
 455     case CHILD_PROP_Y_OPTIONS:
 456       g_value_set_flags (value, (table_child->yexpand * GTK_EXPAND |
 457                                  table_child->yshrink * GTK_SHRINK |
 458                                  table_child->yfill * GTK_FILL));
 459       break;
 460     case CHILD_PROP_X_PADDING:
 461       g_value_set_uint (value, table_child->xpadding);
 462       break;
 463     case CHILD_PROP_Y_PADDING:
 464       g_value_set_uint (value, table_child->ypadding);
 465       break;
 466     default:
 467       GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
 468       break;
 469     }
 470 }
 471
 472 static void
 473 gtk_table_init (GtkTable *table)
 474 {
 475   GTK_WIDGET_SET_FLAGS (table, GTK_NO_WINDOW);
 476   gtk_widget_set_redraw_on_allocate (GTK_WIDGET (table), FALSE);
 477
 478   table->children = NULL;
 479   table->rows = NULL;
 480   table->cols = NULL;
 481   table->nrows = 0;
 482   table->ncols = 0;
 483   table->column_spacing = 0;
 484   table->row_spacing = 0;
 485   table->homogeneous = FALSE;
 486
 487   gtk_table_resize (table, 1, 1);
 488 }
 489
 490 GtkWidget*
 491 gtk_table_new (guint    rows,
 492                guint    columns,
 493                gboolean homogeneous)
 494 {
 495   GtkTable *table;
 496
 497   if (rows == 0)
 498     rows = 1;
 499   if (columns == 0)
 500     columns = 1;
 501
 502   table = g_object_new (GTK_TYPE_TABLE, NULL);
 503
 504   table->homogeneous = (homogeneous ? TRUE : FALSE);
 505
 506   gtk_table_resize (table, rows, columns);
 507
 508   return GTK_WIDGET (table);
 509 }
 510
 511 void
 512 gtk_table_resize (GtkTable *table,
 513                   guint     n_rows,
 514                   guint     n_cols)
 515 {
 516   g_return_if_fail (GTK_IS_TABLE (table));
 517   g_return_if_fail (n_rows > 0 && n_rows < 65536);
 518   g_return_if_fail (n_cols > 0 && n_cols < 65536);
 519
 520   n_rows = MAX (n_rows, 1);
 521   n_cols = MAX (n_cols, 1);
 522
 523   if (n_rows != table->nrows ||
 524       n_cols != table->ncols)
 525     {
 526       GList *list;
 527
 528       for (list = table->children; list; list = list->next)
 529         {
 530           GtkTableChild *child;
 531
 532           child = list->data;
 533
 534           n_rows = MAX (n_rows, child->bottom_attach);
 535           n_cols = MAX (n_cols, child->right_attach);
 536         }
 537
 538       if (n_rows != table->nrows)
 539         {
 540           guint i;
 541
 542           i = table->nrows;
 543           table->nrows = n_rows;
 544           table->rows = g_realloc (table->rows, table->nrows * sizeof (GtkTableRowCol));
 545
 546           for (; i < table->nrows; i++)
 547             {
 548               table->rows[i].requisition = 0;
 549               table->rows[i].allocation = 0;
 550               table->rows[i].spacing = table->row_spacing;
 551               table->rows[i].need_expand = 0;
 552               table->rows[i].need_shrink = 0;
 553               table->rows[i].expand = 0;
 554               table->rows[i].shrink = 0;
 555             }
 556
 557           g_object_notify (G_OBJECT (table), "n_rows");
 558         }
 559
 560       if (n_cols != table->ncols)
 561         {
 562           guint i;
 563
 564           i = table->ncols;
 565           table->ncols = n_cols;
 566           table->cols = g_realloc (table->cols, table->ncols * sizeof (GtkTableRowCol));
 567
 568           for (; i < table->ncols; i++)
 569             {
 570               table->cols[i].requisition = 0;
 571               table->cols[i].allocation = 0;
 572               table->cols[i].spacing = table->column_spacing;
 573               table->cols[i].need_expand = 0;
 574               table->cols[i].need_shrink = 0;
 575               table->cols[i].expand = 0;
 576               table->cols[i].shrink = 0;
 577             }
 578
 579           g_object_notify (G_OBJECT (table), "n_columns");
 580         }
 581     }
 582 }
 583
 584 void
 585 gtk_table_attach (GtkTable        *table,
 586                   GtkWidget       *child,
 587                   guint            left_attach,
 588                   guint            right_attach,
 589                   guint            top_attach,
 590                   guint            bottom_attach,
 591                   GtkAttachOptions xoptions,
 592                   GtkAttachOptions yoptions,
 593                   guint            xpadding,
 594                   guint            ypadding)
 595 {
 596   GtkTableChild *table_child;
 597
 598   g_return_if_fail (GTK_IS_TABLE (table));
 599   g_return_if_fail (GTK_IS_WIDGET (child));
 600   g_return_if_fail (child->parent == NULL);
 601
 602   /* g_return_if_fail (left_attach >= 0); */
 603   g_return_if_fail (left_attach < right_attach);
 604   /* g_return_if_fail (top_attach >= 0); */
 605   g_return_if_fail (top_attach < bottom_attach);
 606
 607   if (right_attach >= table->ncols)
 608     gtk_table_resize (table, table->nrows, right_attach);
 609
 610   if (bottom_attach >= table->nrows)
 611     gtk_table_resize (table, bottom_attach, table->ncols);
 612
 613   table_child = g_new (GtkTableChild, 1);
 614   table_child->widget = child;
 615   table_child->left_attach = left_attach;
 616   table_child->right_attach = right_attach;
 617   table_child->top_attach = top_attach;
 618   table_child->bottom_attach = bottom_attach;
 619   table_child->xexpand = (xoptions & GTK_EXPAND) != 0;
 620   table_child->xshrink = (xoptions & GTK_SHRINK) != 0;
 621   table_child->xfill = (xoptions & GTK_FILL) != 0;
 622   table_child->xpadding = xpadding;
 623   table_child->yexpand = (yoptions & GTK_EXPAND) != 0;
 624   table_child->yshrink = (yoptions & GTK_SHRINK) != 0;
 625   table_child->yfill = (yoptions & GTK_FILL) != 0;
 626   table_child->ypadding = ypadding;
 627
 628   table->children = g_list_prepend (table->children, table_child);
 629
 630   gtk_widget_set_parent (child, GTK_WIDGET (table));
 631 }
 632
 633 void
 634 gtk_table_attach_defaults (GtkTable  *table,
 635                            GtkWidget *widget,
 636                            guint      left_attach,
 637                            guint      right_attach,
 638                            guint      top_attach,
 639                            guint      bottom_attach)
 640 {
 641   gtk_table_attach (table, widget,
 642                     left_attach, right_attach,
 643                     top_attach, bottom_attach,
 644                     GTK_EXPAND | GTK_FILL,
 645                     GTK_EXPAND | GTK_FILL,
 646                     0, 0);
 647 }
 648
 649 void
 650 gtk_table_set_row_spacing (GtkTable *table,
 651                            guint     row,
 652                            guint     spacing)
 653 {
 654   g_return_if_fail (GTK_IS_TABLE (table));
 655   g_return_if_fail (row < table->nrows);
 656
 657   if (table->rows[row].spacing != spacing)
 658     {
 659       table->rows[row].spacing = spacing;
 660
 661       if (GTK_WIDGET_VISIBLE (table))
 662         gtk_widget_queue_resize (GTK_WIDGET (table));
 663     }
 664 }
 665
 666 /**
 667  * gtk_table_get_row_spacing:
 668  * @table: a #GtkTable
 669  * @row: a row in the table, 0 indicates the first row
 670  *
 671  * Gets the amount of space between row @row, and
 672  * row @row + 1. See gtk_table_set_row_spacing().
 673  *
 674  * Return value: the row spacing
 675  **/
 676 guint
 677 gtk_table_get_row_spacing (GtkTable *table,
 678                            guint     row)
 679 {
 680   g_return_val_if_fail (GTK_IS_TABLE (table), 0);
 681   g_return_val_if_fail (row < table->nrows - 1, 0);
 682
 683   return table->rows[row].spacing;
 684 }
 685
 686 void
 687 gtk_table_set_col_spacing (GtkTable *table,
 688                            guint     column,
 689                            guint     spacing)
 690 {
 691   g_return_if_fail (GTK_IS_TABLE (table));
 692   g_return_if_fail (column < table->ncols);
 693
 694   if (table->cols[column].spacing != spacing)
 695     {
 696       table->cols[column].spacing = spacing;
 697
 698       if (GTK_WIDGET_VISIBLE (table))
 699         gtk_widget_queue_resize (GTK_WIDGET (table));
 700     }
 701 }
 702
 703 /**
 704  * gtk_table_get_col_spacing:
 705  * @table: a #GtkTable
 706  * @column: a column in the table, 0 indicates the first column
 707  *
 708  * Gets the amount of space between column @col, and
 709  * column @col + 1. See gtk_table_set_col_spacing().
 710  *
 711  * Return value: the column spacing
 712  **/
 713 guint
 714 gtk_table_get_col_spacing (GtkTable *table,
 715                            guint     column)
 716 {
 717   g_return_val_if_fail (GTK_IS_TABLE (table), 0);
 718   g_return_val_if_fail (column < table->ncols, 0);
 719
 720   return table->cols[column].spacing;
 721 }
 722
 723 void
 724 gtk_table_set_row_spacings (GtkTable *table,
 725                             guint     spacing)
 726 {
 727   guint row;
 728
 729   g_return_if_fail (GTK_IS_TABLE (table));
 730
 731   table->row_spacing = spacing;
 732   for (row = 0; row < table->nrows; row++)
 733     table->rows[row].spacing = spacing;
 734
 735   if (GTK_WIDGET_VISIBLE (table))
 736     gtk_widget_queue_resize (GTK_WIDGET (table));
 737
 738   g_object_notify (G_OBJECT (table), "row_spacing");
 739 }
 740
 741 /**
 742  * gtk_table_get_default_row_spacing:
 743  * @table: a #GtkTable
 744  *
 745  * Gets the default row spacing for the table. This is
 746  * the spacing that will be used for newly added rows.
 747  * (See gtk_table_set_row_spacings())
 748  *
 749  * Returns value: the default row spacing
 750  **/
 751 guint
 752 gtk_table_get_default_row_spacing (GtkTable *table)
 753 {
 754   g_return_val_if_fail (GTK_IS_TABLE (table), 0);
 755
 756   return table->row_spacing;
 757 }
 758
 759 void
 760 gtk_table_set_col_spacings (GtkTable *table,
 761                             guint     spacing)
 762 {
 763   guint col;
 764
 765   g_return_if_fail (GTK_IS_TABLE (table));
 766
 767   table->column_spacing = spacing;
 768   for (col = 0; col < table->ncols; col++)
 769     table->cols[col].spacing = spacing;
 770
 771   if (GTK_WIDGET_VISIBLE (table))
 772     gtk_widget_queue_resize (GTK_WIDGET (table));
 773
 774   g_object_notify (G_OBJECT (table), "column_spacing");
 775 }
 776
 777 /**
 778  * gtk_table_get_default_col_spacing:
 779  * @table: a #GtkTable
 780  *
 781  * Gets the default column spacing for the table. This is
 782  * the spacing that will be used for newly added columns.
 783  * (See gtk_table_set_col_spacings())
 784  *
 785  * Returns value: the default column spacing
 786  **/
 787 guint
 788 gtk_table_get_default_col_spacing (GtkTable *table)
 789 {
 790   g_return_val_if_fail (GTK_IS_TABLE (table), 0);
 791
 792   return table->column_spacing;
 793 }
 794
 795 void
 796 gtk_table_set_homogeneous (GtkTable *table,
 797                            gboolean  homogeneous)
 798 {
 799   g_return_if_fail (GTK_IS_TABLE (table));
 800
 801   homogeneous = (homogeneous != 0);
 802   if (homogeneous != table->homogeneous)
 803     {
 804       table->homogeneous = homogeneous;
 805
 806       if (GTK_WIDGET_VISIBLE (table))
 807         gtk_widget_queue_resize (GTK_WIDGET (table));
 808
 809       g_object_notify (G_OBJECT (table), "homogeneous");
 810     }
 811 }
 812
 813 /**
 814  * gtk_table_get_homogeneous:
 815  * @table: a #GtkTable
 816  *
 817  * Returns whether the table cells are all constrained to the same
 818  * width and height. (See gtk_table_set_homogenous ())
 819  *
 820  * Return value: %TRUE if the cells are all constrained to the same size
 821  **/
 822 gboolean
 823 gtk_table_get_homogeneous (GtkTable *table)
 824 {
 825   g_return_val_if_fail (GTK_IS_TABLE (table), FALSE);
 826
 827   return table->homogeneous;
 828 }
 829
 830 static void
 831 gtk_table_finalize (GObject *object)
 832 {
 833   GtkTable *table;
 834
 835   g_return_if_fail (GTK_IS_TABLE (object));
 836
 837   table = GTK_TABLE (object);
 838
 839   g_free (table->rows);
 840   g_free (table->cols);
 841
 842   G_OBJECT_CLASS (parent_class)->finalize (object);
 843 }
 844
 845 static void
 846 gtk_table_size_request (GtkWidget      *widget,
 847                         GtkRequisition *requisition)
 848 {
 849   GtkTable *table;
 850   gint row, col;
 851
 852   g_return_if_fail (GTK_IS_TABLE (widget));
 853   g_return_if_fail (requisition != NULL);
 854
 855   table = GTK_TABLE (widget);
 856
 857   requisition->width = 0;
 858   requisition->height = 0;
 859
 860   gtk_table_size_request_init (table);
 861   gtk_table_size_request_pass1 (table);
 862   gtk_table_size_request_pass2 (table);
 863   gtk_table_size_request_pass3 (table);
 864   gtk_table_size_request_pass2 (table);
 865
 866   for (col = 0; col < table->ncols; col++)
 867     requisition->width += table->cols[col].requisition;
 868   for (col = 0; col + 1 < table->ncols; col++)
 869     requisition->width += table->cols[col].spacing;
 870
 871   for (row = 0; row < table->nrows; row++)
 872     requisition->height += table->rows[row].requisition;
 873   for (row = 0; row + 1 < table->nrows; row++)
 874     requisition->height += table->rows[row].spacing;
 875
 876   requisition->width += GTK_CONTAINER (table)->border_width * 2;
 877   requisition->height += GTK_CONTAINER (table)->border_width * 2;
 878 }
 879
 880 static void
 881 gtk_table_size_allocate (GtkWidget     *widget,
 882                          GtkAllocation *allocation)
 883 {
 884   GtkTable *table;
 885
 886   g_return_if_fail (GTK_IS_TABLE (widget));
 887   g_return_if_fail (allocation != NULL);
 888
 889   widget->allocation = *allocation;
 890   table = GTK_TABLE (widget);
 891
 892   gtk_table_size_allocate_init (table);
 893   gtk_table_size_allocate_pass1 (table);
 894   gtk_table_size_allocate_pass2 (table);
 895 }
 896
 897 static void
 898 gtk_table_add (GtkContainer *container,
 899                GtkWidget    *widget)
 900 {
 901   g_return_if_fail (GTK_IS_TABLE (container));
 902   g_return_if_fail (widget != NULL);
 903
 904   gtk_table_attach_defaults (GTK_TABLE (container), widget, 0, 1, 0, 1);
 905 }
 906
 907 static void
 908 gtk_table_remove (GtkContainer *container,
 909                   GtkWidget    *widget)
 910 {
 911   GtkTable *table;
 912   GtkTableChild *child;
 913   GList *children;
 914
 915   g_return_if_fail (GTK_IS_TABLE (container));
 916   g_return_if_fail (widget != NULL);
 917
 918   table = GTK_TABLE (container);
 919   children = table->children;
 920
 921   while (children)
 922     {
 923       child = children->data;
 924       children = children->next;
 925
 926       if (child->widget == widget)
 927         {
 928           gboolean was_visible = GTK_WIDGET_VISIBLE (widget);
 929
 930           gtk_widget_unparent (widget);
 931
 932           table->children = g_list_remove (table->children, child);
 933           g_free (child);
 934
 935           if (was_visible && GTK_WIDGET_VISIBLE (container))
 936             gtk_widget_queue_resize (GTK_WIDGET (container));
 937           break;
 938         }
 939     }
 940 }
 941
 942 static void
 943 gtk_table_forall (GtkContainer *container,
 944                   gboolean      include_internals,
 945                   GtkCallback   callback,
 946                   gpointer      callback_data)
 947 {
 948   GtkTable *table;
 949   GtkTableChild *child;
 950   GList *children;
 951
 952   g_return_if_fail (GTK_IS_TABLE (container));
 953   g_return_if_fail (callback != NULL);
 954
 955   table = GTK_TABLE (container);
 956   children = table->children;
 957
 958   while (children)
 959     {
 960       child = children->data;
 961       children = children->next;
 962
 963       (* callback) (child->widget, callback_data);
 964     }
 965 }
 966
 967 static void
 968 gtk_table_size_request_init (GtkTable *table)
 969 {
 970   GtkTableChild *child;
 971   GList *children;
 972   gint row, col;
 973
 974   for (row = 0; row < table->nrows; row++)
 975     {
 976       table->rows[row].requisition = 0;
 977       table->rows[row].expand = FALSE;
 978     }
 979   for (col = 0; col < table->ncols; col++)
 980     {
 981       table->cols[col].requisition = 0;
 982       table->cols[col].expand = FALSE;
 983     }
 984
 985   children = table->children;
 986   while (children)
 987     {
 988       child = children->data;
 989       children = children->next;
 990
 991       if (GTK_WIDGET_VISIBLE (child->widget))
 992         gtk_widget_size_request (child->widget, NULL);
 993
 994       if (child->left_attach == (child->right_attach - 1) && child->xexpand)
 995         table->cols[child->left_attach].expand = TRUE;
 996
 997       if (child->top_attach == (child->bottom_attach - 1) && child->yexpand)
 998         table->rows[child->top_attach].expand = TRUE;
 999     }
1000 }
1001
1002 static void
1003 gtk_table_size_request_pass1 (GtkTable *table)
1004 {
1005   GtkTableChild *child;
1006   GList *children;
1007   gint width;
1008   gint height;
1009
1010   children = table->children;
1011   while (children)
1012     {
1013       child = children->data;
1014       children = children->next;
1015
1016       if (GTK_WIDGET_VISIBLE (child->widget))
1017         {
1018           GtkRequisition child_requisition;
1019           gtk_widget_get_child_requisition (child->widget, &child_requisition);
1020
1021           /* Child spans a single column.
1022            */
1023           if (child->left_attach == (child->right_attach - 1))
1024             {
1025               width = child_requisition.width + child->xpadding * 2;
1026               table->cols[child->left_attach].requisition = MAX (table->cols[child->left_attach].requisition, width);
1027             }
1028
1029           /* Child spans a single row.
1030            */
1031           if (child->top_attach == (child->bottom_attach - 1))
1032             {
1033               height = child_requisition.height + child->ypadding * 2;
1034               table->rows[child->top_attach].requisition = MAX (table->rows[child->top_attach].requisition, height);
1035             }
1036         }
1037     }
1038 }
1039
1040 static void
1041 gtk_table_size_request_pass2 (GtkTable *table)
1042 {
1043   gint max_width;
1044   gint max_height;
1045   gint row, col;
1046
1047   if (table->homogeneous)
1048     {
1049       max_width = 0;
1050       max_height = 0;
1051
1052       for (col = 0; col < table->ncols; col++)
1053         max_width = MAX (max_width, table->cols[col].requisition);
1054       for (row = 0; row < table->nrows; row++)
1055         max_height = MAX (max_height, table->rows[row].requisition);
1056
1057       for (col = 0; col < table->ncols; col++)
1058         table->cols[col].requisition = max_width;
1059       for (row = 0; row < table->nrows; row++)
1060         table->rows[row].requisition = max_height;
1061     }
1062 }
1063
1064 static void
1065 gtk_table_size_request_pass3 (GtkTable *table)
1066 {
1067   GtkTableChild *child;
1068   GList *children;
1069   gint width, height;
1070   gint row, col;
1071   gint extra;
1072
1073   children = table->children;
1074   while (children)
1075     {
1076       child = children->data;
1077       children = children->next;
1078
1079       if (GTK_WIDGET_VISIBLE (child->widget))
1080         {
1081           /* Child spans multiple columns.
1082            */
1083           if (child->left_attach != (child->right_attach - 1))
1084             {
1085               GtkRequisition child_requisition;
1086
1087               gtk_widget_get_child_requisition (child->widget, &child_requisition);
1088
1089               /* Check and see if there is already enough space
1090                *  for the child.
1091                */
1092               width = 0;
1093               for (col = child->left_attach; col < child->right_attach; col++)
1094                 {
1095                   width += table->cols[col].requisition;
1096                   if ((col + 1) < child->right_attach)
1097                     width += table->cols[col].spacing;
1098                 }
1099
1100               /* If we need to request more space for this child to fill
1101                *  its requisition, then divide up the needed space amongst the
1102                *  columns it spans, favoring expandable columns if any.
1103                */
1104               if (width < child_requisition.width + child->xpadding * 2)
1105                 {
1106                   gint n_expand = 0;
1107                   gboolean force_expand = FALSE;
1108
1109                   width = child_requisition.width + child->xpadding * 2 - width;
1110
1111                   for (col = child->left_attach; col < child->right_attach; col++)
1112                     if (table->cols[col].expand)
1113                       n_expand++;
1114
1115                   if (n_expand == 0)
1116                     {
1117                       n_expand = (child->right_attach - child->left_attach);
1118                       force_expand = TRUE;
1119                     }
1120
1121                   for (col = child->left_attach; col < child->right_attach; col++)
1122                     if (force_expand || table->cols[col].expand)
1123                       {
1124                         extra = width / n_expand;
1125                         table->cols[col].requisition += extra;
1126                         width -= extra;
1127                         n_expand--;
1128                       }
1129                 }
1130             }
1131
1132           /* Child spans multiple rows.
1133            */
1134           if (child->top_attach != (child->bottom_attach - 1))
1135             {
1136               GtkRequisition child_requisition;
1137
1138               gtk_widget_get_child_requisition (child->widget, &child_requisition);
1139
1140               /* Check and see if there is already enough space
1141                *  for the child.
1142                */
1143               height = 0;
1144               for (row = child->top_attach; row < child->bottom_attach; row++)
1145                 {
1146                   height += table->rows[row].requisition;
1147                   if ((row + 1) < child->bottom_attach)
1148                     height += table->rows[row].spacing;
1149                 }
1150
1151               /* If we need to request more space for this child to fill
1152                *  its requisition, then divide up the needed space amongst the
1153                *  rows it spans, favoring expandable rows if any.
1154                */
1155               if (height < child_requisition.height + child->ypadding * 2)
1156                 {
1157                   gint n_expand = 0;
1158                   gboolean force_expand = FALSE;
1159
1160                   height = child_requisition.height + child->ypadding * 2 - height;
1161
1162                   for (row = child->top_attach; row < child->bottom_attach; row++)
1163                     {
1164                       if (table->rows[row].expand)
1165                         n_expand++;
1166                     }
1167
1168                   if (n_expand == 0)
1169                     {
1170                       n_expand = (child->bottom_attach - child->top_attach);
1171                       force_expand = TRUE;
1172                     }
1173
1174                   for (row = child->top_attach; row < child->bottom_attach; row++)
1175                     if (force_expand || table->rows[row].expand)
1176                       {
1177                         extra = height / n_expand;
1178                         table->rows[row].requisition += extra;
1179                         height -= extra;
1180                         n_expand--;
1181                       }
1182                 }
1183             }
1184         }
1185     }
1186 }
1187
1188 static void
1189 gtk_table_size_allocate_init (GtkTable *table)
1190 {
1191   GtkTableChild *child;
1192   GList *children;
1193   gint row, col;
1194   gint has_expand;
1195   gint has_shrink;
1196
1197   /* Initialize the rows and cols.
1198    *  By default, rows and cols do not expand and do shrink.
1199    *  Those values are modified by the children that occupy
1200    *  the rows and cols.
1201    */
1202   for (col = 0; col < table->ncols; col++)
1203     {
1204       table->cols[col].allocation = table->cols[col].requisition;
1205       table->cols[col].need_expand = FALSE;
1206       table->cols[col].need_shrink = TRUE;
1207       table->cols[col].expand = FALSE;
1208       table->cols[col].shrink = TRUE;
1209       table->cols[col].empty = TRUE;
1210     }
1211   for (row = 0; row < table->nrows; row++)
1212     {
1213       table->rows[row].allocation = table->rows[row].requisition;
1214       table->rows[row].need_expand = FALSE;
1215       table->rows[row].need_shrink = TRUE;
1216       table->rows[row].expand = FALSE;
1217       table->rows[row].shrink = TRUE;
1218       table->rows[row].empty = TRUE;
1219     }
1220
1221   /* Loop over all the children and adjust the row and col values
1222    *  based on whether the children want to be allowed to expand
1223    *  or shrink. This loop handles children that occupy a single
1224    *  row or column.
1225    */
1226   children = table->children;
1227   while (children)
1228     {
1229       child = children->data;
1230       children = children->next;
1231
1232       if (GTK_WIDGET_VISIBLE (child->widget))
1233         {
1234           if (child->left_attach == (child->right_attach - 1))
1235             {
1236               if (child->xexpand)
1237                 table->cols[child->left_attach].expand = TRUE;
1238
1239               if (!child->xshrink)
1240                 table->cols[child->left_attach].shrink = FALSE;
1241
1242               table->cols[child->left_attach].empty = FALSE;
1243             }
1244
1245           if (child->top_attach == (child->bottom_attach - 1))
1246             {
1247               if (child->yexpand)
1248                 table->rows[child->top_attach].expand = TRUE;
1249
1250               if (!child->yshrink)
1251                 table->rows[child->top_attach].shrink = FALSE;
1252
1253               table->rows[child->top_attach].empty = FALSE;
1254             }
1255         }
1256     }
1257
1258   /* Loop over all the children again and this time handle children
1259    *  which span multiple rows or columns.
1260    */
1261   children = table->children;
1262   while (children)
1263     {
1264       child = children->data;
1265       children = children->next;
1266
1267       if (GTK_WIDGET_VISIBLE (child->widget))
1268         {
1269           if (child->left_attach != (child->right_attach - 1))
1270             {
1271               for (col = child->left_attach; col < child->right_attach; col++)
1272                 table->cols[col].empty = FALSE;
1273
1274               if (child->xexpand)
1275                 {
1276                   has_expand = FALSE;
1277                   for (col = child->left_attach; col < child->right_attach; col++)
1278                     if (table->cols[col].expand)
1279                       {
1280                         has_expand = TRUE;
1281                         break;
1282                       }
1283
1284                   if (!has_expand)
1285                     for (col = child->left_attach; col < child->right_attach; col++)
1286                       table->cols[col].need_expand = TRUE;
1287                 }
1288
1289               if (!child->xshrink)
1290                 {
1291                   has_shrink = TRUE;
1292                   for (col = child->left_attach; col < child->right_attach; col++)
1293                     if (!table->cols[col].shrink)
1294                       {
1295                         has_shrink = FALSE;
1296                         break;
1297                       }
1298
1299                   if (has_shrink)
1300                     for (col = child->left_attach; col < child->right_attach; col++)
1301                       table->cols[col].need_shrink = FALSE;
1302                 }
1303             }
1304
1305           if (child->top_attach != (child->bottom_attach - 1))
1306             {
1307               for (row = child->top_attach; row < child->bottom_attach; row++)
1308                 table->rows[row].empty = FALSE;
1309
1310               if (child->yexpand)
1311                 {
1312                   has_expand = FALSE;
1313                   for (row = child->top_attach; row < child->bottom_attach; row++)
1314                     if (table->rows[row].expand)
1315                       {
1316                         has_expand = TRUE;
1317                         break;
1318                       }
1319
1320                   if (!has_expand)
1321                     for (row = child->top_attach; row < child->bottom_attach; row++)
1322                       table->rows[row].need_expand = TRUE;
1323                 }
1324
1325               if (!child->yshrink)
1326                 {
1327                   has_shrink = TRUE;
1328                   for (row = child->top_attach; row < child->bottom_attach; row++)
1329                     if (!table->rows[row].shrink)
1330                       {
1331                         has_shrink = FALSE;
1332                         break;
1333                       }
1334
1335                   if (has_shrink)
1336                     for (row = child->top_attach; row < child->bottom_attach; row++)
1337                       table->rows[row].need_shrink = FALSE;
1338                 }
1339             }
1340         }
1341     }
1342
1343   /* Loop over the columns and set the expand and shrink values
1344    *  if the column can be expanded or shrunk.
1345    */
1346   for (col = 0; col < table->ncols; col++)
1347     {
1348       if (table->cols[col].empty)
1349         {
1350           table->cols[col].expand = FALSE;
1351           table->cols[col].shrink = FALSE;
1352         }
1353       else
1354         {
1355           if (table->cols[col].need_expand)
1356             table->cols[col].expand = TRUE;
1357           if (!table->cols[col].need_shrink)
1358             table->cols[col].shrink = FALSE;
1359         }
1360     }
1361
1362   /* Loop over the rows and set the expand and shrink values
1363    *  if the row can be expanded or shrunk.
1364    */
1365   for (row = 0; row < table->nrows; row++)
1366     {
1367       if (table->rows[row].empty)
1368         {
1369           table->rows[row].expand = FALSE;
1370           table->rows[row].shrink = FALSE;
1371         }
1372       else
1373         {
1374           if (table->rows[row].need_expand)
1375             table->rows[row].expand = TRUE;
1376           if (!table->rows[row].need_shrink)
1377             table->rows[row].shrink = FALSE;
1378         }
1379     }
1380 }
1381
1382 static void
1383 gtk_table_size_allocate_pass1 (GtkTable *table)
1384 {
1385   gint real_width;
1386   gint real_height;
1387   gint width, height;
1388   gint row, col;
1389   gint nexpand;
1390   gint nshrink;
1391   gint extra;
1392
1393   /* If we were allocated more space than we requested
1394    *  then we have to expand any expandable rows and columns
1395    *  to fill in the extra space.
1396    */
1397
1398   real_width = GTK_WIDGET (table)->allocation.width - GTK_CONTAINER (table)->border_width * 2;
1399   real_height = GTK_WIDGET (table)->allocation.height - GTK_CONTAINER (table)->border_width * 2;
1400
1401   if (table->homogeneous)
1402     {
1403       if (!table->children)
1404         nexpand = 1;
1405       else
1406         {
1407           nexpand = 0;
1408           for (col = 0; col < table->ncols; col++)
1409             if (table->cols[col].expand)
1410               {
1411                 nexpand += 1;
1412                 break;
1413               }
1414         }
1415       if (nexpand)
1416         {
1417           width = real_width;
1418           for (col = 0; col + 1 < table->ncols; col++)
1419             width -= table->cols[col].spacing;
1420
1421           for (col = 0; col < table->ncols; col++)
1422             {
1423               extra = width / (table->ncols - col);
1424               table->cols[col].allocation = MAX (1, extra);
1425               width -= extra;
1426             }
1427         }
1428     }
1429   else
1430     {
1431       width = 0;
1432       nexpand = 0;
1433       nshrink = 0;
1434
1435       for (col = 0; col < table->ncols; col++)
1436         {
1437           width += table->cols[col].requisition;
1438           if (table->cols[col].expand)
1439             nexpand += 1;
1440           if (table->cols[col].shrink)
1441             nshrink += 1;
1442         }
1443       for (col = 0; col + 1 < table->ncols; col++)
1444         width += table->cols[col].spacing;
1445
1446       /* Check to see if we were allocated more width than we requested.
1447        */
1448       if ((width < real_width) && (nexpand >= 1))
1449         {
1450           width = real_width - width;
1451
1452           for (col = 0; col < table->ncols; col++)
1453             if (table->cols[col].expand)
1454               {
1455                 extra = width / nexpand;
1456                 table->cols[col].allocation += extra;
1457
1458                 width -= extra;
1459                 nexpand -= 1;
1460               }
1461         }
1462
1463       /* Check to see if we were allocated less width than we requested,
1464        * then shrink until we fit the size give.
1465        */
1466       if (width > real_width)
1467         {
1468           gint total_nshrink = nshrink;
1469
1470           extra = width - real_width;
1471           while (total_nshrink > 0 && extra > 0)
1472             {
1473               nshrink = total_nshrink;
1474               for (col = 0; col < table->ncols; col++)
1475                 if (table->cols[col].shrink)
1476                   {
1477                     gint allocation = table->cols[col].allocation;
1478
1479                     table->cols[col].allocation = MAX (1, (gint) table->cols[col].allocation - extra / nshrink);
1480                     extra -= allocation - table->cols[col].allocation;
1481                     nshrink -= 1;
1482                     if (table->cols[col].allocation < 2)
1483                       {
1484                         total_nshrink -= 1;
1485                         table->cols[col].shrink = FALSE;
1486                       }
1487                   }
1488             }
1489         }
1490     }
1491
1492   if (table->homogeneous)
1493     {
1494       if (!table->children)
1495         nexpand = 1;
1496       else
1497         {
1498           nexpand = 0;
1499           for (row = 0; row < table->nrows; row++)
1500             if (table->rows[row].expand)
1501               {
1502                 nexpand += 1;
1503                 break;
1504               }
1505         }
1506       if (nexpand)
1507         {
1508           height = real_height;
1509
1510           for (row = 0; row + 1 < table->nrows; row++)
1511             height -= table->rows[row].spacing;
1512
1513
1514           for (row = 0; row < table->nrows; row++)
1515             {
1516               extra = height / (table->nrows - row);
1517               table->rows[row].allocation = MAX (1, extra);
1518               height -= extra;
1519             }
1520         }
1521     }
1522   else
1523     {
1524       height = 0;
1525       nexpand = 0;
1526       nshrink = 0;
1527
1528       for (row = 0; row < table->nrows; row++)
1529         {
1530           height += table->rows[row].requisition;
1531           if (table->rows[row].expand)
1532             nexpand += 1;
1533           if (table->rows[row].shrink)
1534             nshrink += 1;
1535         }
1536       for (row = 0; row + 1 < table->nrows; row++)
1537         height += table->rows[row].spacing;
1538
1539       /* Check to see if we were allocated more height than we requested.
1540        */
1541       if ((height < real_height) && (nexpand >= 1))
1542         {
1543           height = real_height - height;
1544
1545           for (row = 0; row < table->nrows; row++)
1546             if (table->rows[row].expand)
1547               {
1548                 extra = height / nexpand;
1549                 table->rows[row].allocation += extra;
1550
1551                 height -= extra;
1552                 nexpand -= 1;
1553               }
1554         }
1555
1556       /* Check to see if we were allocated less height than we requested.
1557        * then shrink until we fit the size give.
1558        */
1559       if (height > real_height)
1560         {
1561           gint total_nshrink = nshrink;
1562
1563           extra = height - real_height;
1564           while (total_nshrink > 0 && extra > 0)
1565             {
1566               nshrink = total_nshrink;
1567               for (row = 0; row < table->nrows; row++)
1568                 if (table->rows[row].shrink)
1569                   {
1570                     gint allocation = table->rows[row].allocation;
1571
1572                     table->rows[row].allocation = MAX (1, (gint) table->rows[row].allocation - extra / nshrink);
1573                     extra -= allocation - table->rows[row].allocation;
1574                     nshrink -= 1;
1575                     if (table->rows[row].allocation < 2)
1576                       {
1577                         total_nshrink -= 1;
1578                         table->rows[row].shrink = FALSE;
1579                       }
1580                   }
1581             }
1582         }
1583     }
1584 }
1585
1586 static void
1587 gtk_table_size_allocate_pass2 (GtkTable *table)
1588 {
1589   GtkTableChild *child;
1590   GList *children;
1591   gint max_width;
1592   gint max_height;
1593   gint x, y;
1594   gint row, col;
1595   GtkAllocation allocation;
1596   GtkWidget *widget = GTK_WIDGET (table);
1597
1598   children = table->children;
1599   while (children)
1600     {
1601       child = children->data;
1602       children = children->next;
1603
1604       if (GTK_WIDGET_VISIBLE (child->widget))
1605         {
1606           GtkRequisition child_requisition;
1607           gtk_widget_get_child_requisition (child->widget, &child_requisition);
1608
1609           x = GTK_WIDGET (table)->allocation.x + GTK_CONTAINER (table)->border_width;
1610           y = GTK_WIDGET (table)->allocation.y + GTK_CONTAINER (table)->border_width;
1611           max_width = 0;
1612           max_height = 0;
1613
1614           for (col = 0; col < child->left_attach; col++)
1615             {
1616               x += table->cols[col].allocation;
1617               x += table->cols[col].spacing;
1618             }
1619
1620           for (col = child->left_attach; col < child->right_attach; col++)
1621             {
1622               max_width += table->cols[col].allocation;
1623               if ((col + 1) < child->right_attach)
1624                 max_width += table->cols[col].spacing;
1625             }
1626
1627           for (row = 0; row < child->top_attach; row++)
1628             {
1629               y += table->rows[row].allocation;
1630               y += table->rows[row].spacing;
1631             }
1632
1633           for (row = child->top_attach; row < child->bottom_attach; row++)
1634             {
1635               max_height += table->rows[row].allocation;
1636               if ((row + 1) < child->bottom_attach)
1637                 max_height += table->rows[row].spacing;
1638             }
1639
1640           if (child->xfill)
1641             {
1642               allocation.width = MAX (1, max_width - (gint)child->xpadding * 2);
1643               allocation.x = x + (max_width - allocation.width) / 2;
1644             }
1645           else
1646             {
1647               allocation.width = child_requisition.width;
1648               allocation.x = x + (max_width - allocation.width) / 2;
1649             }
1650
1651           if (child->yfill)
1652             {
1653               allocation.height = MAX (1, max_height - (gint)child->ypadding * 2);
1654               allocation.y = y + (max_height - allocation.height) / 2;
1655             }
1656           else
1657             {
1658               allocation.height = child_requisition.height;
1659               allocation.y = y + (max_height - allocation.height) / 2;
1660             }
1661
1662           if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
1663             allocation.x = widget->allocation.x + widget->allocation.width
1664               - (allocation.x - widget->allocation.x) - allocation.width;
1665
1666           gtk_widget_size_allocate (child->widget, &allocation);
1667         }
1668     }
1669 }
1670
1671 #define __GTK_TABLE_C__
1672 #include "gtkaliasdef.c"