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