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

   1 /* gtktreeviewcolumn.c
   2  * Copyright (C) 2000  Red Hat, Inc.,  Jonathan Blandford <jrb@redhat.com>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library 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  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library 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 #include "gtktreeviewcolumn.h"
  21 #include "gtktreeview.h"
  22 #include "gtktreeprivate.h"
  23 #include "gtksignal.h"
  24 #include "gtkbutton.h"
  25 #include "gtkalignment.h"
  26 #include "gtklabel.h"
  27 #include "gtkhbox.h"
  28 #include "gtkmarshalers.h"
  29 #include "gtkarrow.h"
  30 #include "gtkintl.h"
  31 #include <string.h>
  32
  33 enum
  34 {
  35   PROP_0,
  36   PROP_VISIBLE,
  37   PROP_RESIZABLE,
  38   PROP_WIDTH,
  39   PROP_SIZING,
  40   PROP_FIXED_WIDTH,
  41   PROP_MIN_WIDTH,
  42   PROP_MAX_WIDTH,
  43   PROP_TITLE,
  44   PROP_CLICKABLE,
  45   PROP_WIDGET,
  46   PROP_ALIGNMENT,
  47   PROP_REORDERABLE,
  48   PROP_SORT_INDICATOR,
  49   PROP_SORT_ORDER
  50 };
  51
  52 enum
  53 {
  54   CLICKED,
  55   LAST_SIGNAL
  56 };
  57
  58 typedef struct _GtkTreeViewColumnCellInfo GtkTreeViewColumnCellInfo;
  59 struct _GtkTreeViewColumnCellInfo
  60 {
  61   GtkCellRenderer *cell;
  62   GSList *attributes;
  63   GtkTreeCellDataFunc func;
  64   gpointer func_data;
  65   GtkDestroyNotify destroy;
  66   gint requested_width;
  67   guint expand : 1;
  68   guint pack : 1;
  69   guint has_focus : 1;
  70 };
  71
  72 /* Type methods */
  73 static void gtk_tree_view_column_init                          (GtkTreeViewColumn       *tree_column);
  74 static void gtk_tree_view_column_class_init                    (GtkTreeViewColumnClass  *klass);
  75
  76 /* GObject methods */
  77 static void gtk_tree_view_column_set_property                  (GObject                 *object,
  78                                                                 guint                    prop_id,
  79                                                                 const GValue            *value,
  80                                                                 GParamSpec              *pspec);
  81 static void gtk_tree_view_column_get_property                  (GObject                 *object,
  82                                                                 guint                    prop_id,
  83                                                                 GValue                  *value,
  84                                                                 GParamSpec              *pspec);
  85 static void gtk_tree_view_column_finalize                      (GObject                 *object);
  86
  87 /* Button handling code */
  88 static void gtk_tree_view_column_create_button                 (GtkTreeViewColumn       *tree_column);
  89 static void gtk_tree_view_column_update_button                 (GtkTreeViewColumn       *tree_column);
  90
  91 /* Button signal handlers */
  92 static gint gtk_tree_view_column_button_event                  (GtkWidget               *widget,
  93                                                                 GdkEvent                *event,
  94                                                                 gpointer                 data);
  95 static void gtk_tree_view_column_button_clicked                (GtkWidget               *widget,
  96                                                                 gpointer                 data);
  97 static gboolean gtk_tree_view_column_mnemonic_activate         (GtkWidget *widget,
  98                                                                 gboolean   group_cycling,
  99                                                                 gpointer   data);
 100
 101 /* Property handlers */
 102 static void gtk_tree_view_model_sort_column_changed            (GtkTreeSortable         *sortable,
 103                                                                 GtkTreeViewColumn       *tree_column);
 104
 105 /* Internal functions */
 106 static void gtk_tree_view_column_sort                          (GtkTreeViewColumn       *tree_column,
 107                                                                 gpointer                 data);
 108 static void gtk_tree_view_column_setup_sort_column_id_callback (GtkTreeViewColumn       *tree_column);
 109 static void gtk_tree_view_column_set_attributesv               (GtkTreeViewColumn       *tree_column,
 110                                                                 GtkCellRenderer         *cell_renderer,
 111                                                                 va_list                  args);
 112 static GtkTreeViewColumnCellInfo *gtk_tree_view_column_get_cell_info (GtkTreeViewColumn *tree_column,
 113                                                                       GtkCellRenderer   *cell_renderer);
 114
 115
 116
 117 static GtkObjectClass *parent_class = NULL;
 118 static guint tree_column_signals[LAST_SIGNAL] = { 0 };
 119
 120
 121 GtkType
 122 gtk_tree_view_column_get_type (void)
 123 {
 124   static GtkType tree_column_type = 0;
 125
 126   if (!tree_column_type)
 127     {
 128       static const GTypeInfo tree_column_info =
 129       {
 130         sizeof (GtkTreeViewColumnClass),
 131         NULL,           /* base_init */
 132         NULL,           /* base_finalize */
 133         (GClassInitFunc) gtk_tree_view_column_class_init,
 134         NULL,           /* class_finalize */
 135         NULL,           /* class_data */
 136         sizeof (GtkTreeViewColumn),
 137         0,
 138         (GInstanceInitFunc) gtk_tree_view_column_init,
 139       };
 140
 141       tree_column_type = g_type_register_static (GTK_TYPE_OBJECT, "GtkTreeViewColumn", &tree_column_info, 0);
 142     }
 143
 144   return tree_column_type;
 145 }
 146
 147 static void
 148 gtk_tree_view_column_class_init (GtkTreeViewColumnClass *class)
 149 {
 150   GObjectClass *object_class;
 151
 152   object_class = (GObjectClass*) class;
 153
 154   parent_class = g_type_class_peek_parent (class);
 155
 156   class->clicked = NULL;
 157
 158   object_class->finalize = gtk_tree_view_column_finalize;
 159   object_class->set_property = gtk_tree_view_column_set_property;
 160   object_class->get_property = gtk_tree_view_column_get_property;
 161
 162   tree_column_signals[CLICKED] =
 163     g_signal_new ("clicked",
 164                   GTK_CLASS_TYPE (object_class),
 165                   G_SIGNAL_RUN_LAST,
 166                   G_STRUCT_OFFSET (GtkTreeViewColumnClass, clicked),
 167                   NULL, NULL,
 168                   _gtk_marshal_VOID__VOID,
 169                   GTK_TYPE_NONE, 0);
 170
 171   g_object_class_install_property (object_class,
 172                                    PROP_VISIBLE,
 173                                    g_param_spec_boolean ("visible",
 174                                                         _("Visible"),
 175                                                         _("Whether to display the column"),
 176                                                          TRUE,
 177                                                          G_PARAM_READABLE | G_PARAM_WRITABLE));
 178
 179   g_object_class_install_property (object_class,
 180                                    PROP_RESIZABLE,
 181                                    g_param_spec_boolean ("resizable",
 182                                                          _("Resizable"),
 183                                                          _("Column is user-resizable"),
 184                                                          FALSE,
 185                                                          G_PARAM_READABLE | G_PARAM_WRITABLE));
 186
 187   g_object_class_install_property (object_class,
 188                                    PROP_WIDTH,
 189                                    g_param_spec_int ("width",
 190                                                      _("Width"),
 191                                                      _("Current width of the column"),
 192                                                      0,
 193                                                      G_MAXINT,
 194                                                      0,
 195                                                      G_PARAM_READABLE));
 196   g_object_class_install_property (object_class,
 197                                    PROP_SIZING,
 198                                    g_param_spec_enum ("sizing",
 199                                                       _("Sizing"),
 200                                                       _("Resize mode of the column"),
 201                                                       GTK_TYPE_TREE_VIEW_COLUMN_SIZING,
 202                                                       GTK_TREE_VIEW_COLUMN_AUTOSIZE,
 203                                                       G_PARAM_READABLE | G_PARAM_WRITABLE));
 204
 205   g_object_class_install_property (object_class,
 206                                    PROP_FIXED_WIDTH,
 207                                    g_param_spec_int ("fixed_width",
 208                                                      _("Fixed Width"),
 209                                                      _("Current fixed width of the column"),
 210                                                      1,
 211                                                      G_MAXINT,
 212                                                      1, /* not useful */
 213                                                      G_PARAM_READABLE | G_PARAM_WRITABLE));
 214
 215   g_object_class_install_property (object_class,
 216                                    PROP_MIN_WIDTH,
 217                                    g_param_spec_int ("min_width",
 218                                                      _("Minimum Width"),
 219                                                      _("Minimum allowed width of the column"),
 220                                                      -1,
 221                                                      G_MAXINT,
 222                                                      -1,
 223                                                      G_PARAM_READABLE | G_PARAM_WRITABLE));
 224
 225   g_object_class_install_property (object_class,
 226                                    PROP_MAX_WIDTH,
 227                                    g_param_spec_int ("max_width",
 228                                                      _("Maximum Width"),
 229                                                      _("Maximum allowed width of the column"),
 230                                                      -1,
 231                                                      G_MAXINT,
 232                                                      -1,
 233                                                      G_PARAM_READABLE | G_PARAM_WRITABLE));
 234
 235   g_object_class_install_property (object_class,
 236                                    PROP_TITLE,
 237                                    g_param_spec_string ("title",
 238                                                         _("Title"),
 239                                                         _("Title to appear in column header"),
 240                                                         "",
 241                                                         G_PARAM_READABLE | G_PARAM_WRITABLE));
 242
 243   g_object_class_install_property (object_class,
 244                                    PROP_CLICKABLE,
 245                                    g_param_spec_boolean ("clickable",
 246                                                         _("Clickable"),
 247                                                         _("Whether the header can be clicked"),
 248                                                          TRUE,
 249                                                          G_PARAM_READABLE | G_PARAM_WRITABLE));
 250
 251
 252   g_object_class_install_property (object_class,
 253                                    PROP_WIDGET,
 254                                    g_param_spec_object ("widget",
 255                                                         _("Widget"),
 256                                                         _("Widget to put in column header button instead of column title"),
 257                                                         GTK_TYPE_WIDGET,
 258                                                         G_PARAM_READABLE | G_PARAM_WRITABLE));
 259
 260   g_object_class_install_property (object_class,
 261                                    PROP_ALIGNMENT,
 262                                    g_param_spec_float ("alignment",
 263                                                        _("Alignment"),
 264                                                        _("X Alignment of the column header text or widget"),
 265                                                        0.0,
 266                                                        1.0,
 267                                                        0.5,
 268                                                        G_PARAM_READABLE | G_PARAM_WRITABLE));
 269
 270   g_object_class_install_property (object_class,
 271                                    PROP_REORDERABLE,
 272                                    g_param_spec_boolean ("reorderable",
 273                                                          _("Reorderable"),
 274                                                          _("Whether the column can be reordered around the headers"),
 275                                                          FALSE,
 276                                                          G_PARAM_READABLE | G_PARAM_WRITABLE));
 277
 278   g_object_class_install_property (object_class,
 279                                    PROP_SORT_INDICATOR,
 280                                    g_param_spec_boolean ("sort_indicator",
 281                                                         _("Sort indicator"),
 282                                                         _("Whether to show a sort indicator"),
 283                                                          FALSE,
 284                                                          G_PARAM_READABLE | G_PARAM_WRITABLE));
 285
 286   g_object_class_install_property (object_class,
 287                                    PROP_SORT_ORDER,
 288                                    g_param_spec_enum ("sort_order",
 289                                                       _("Sort order"),
 290                                                       _("Sort direction the sort indicator should indicate"),
 291                                                       GTK_TYPE_SORT_TYPE,
 292                                                       GTK_SORT_ASCENDING,
 293                                                       G_PARAM_READABLE | G_PARAM_WRITABLE));
 294
 295 }
 296
 297 static void
 298 gtk_tree_view_column_init (GtkTreeViewColumn *tree_column)
 299 {
 300   tree_column->button = NULL;
 301   tree_column->xalign = 0.0;
 302   tree_column->width = 0;
 303   tree_column->requested_width = -1;
 304   tree_column->min_width = -1;
 305   tree_column->max_width = -1;
 306   tree_column->resized_width = 0;
 307   tree_column->column_type = GTK_TREE_VIEW_COLUMN_GROW_ONLY;
 308   tree_column->visible = TRUE;
 309   tree_column->resizable = FALSE;
 310   tree_column->clickable = FALSE;
 311   tree_column->dirty = TRUE;
 312   tree_column->sort_order = GTK_SORT_ASCENDING;
 313   tree_column->show_sort_indicator = FALSE;
 314   tree_column->property_changed_signal = 0;
 315   tree_column->sort_clicked_signal = 0;
 316   tree_column->sort_column_changed_signal = 0;
 317   tree_column->sort_column_id = -1;
 318   tree_column->reorderable = FALSE;
 319   tree_column->maybe_reordered = FALSE;
 320   tree_column->use_resized_width = FALSE;
 321 }
 322
 323 static void
 324 gtk_tree_view_column_finalize (GObject *object)
 325 {
 326   GtkTreeViewColumn *tree_column = (GtkTreeViewColumn *) object;
 327   GList *list;
 328
 329   for (list = tree_column->cell_list; list; list = list->next)
 330     {
 331       GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data;
 332
 333       if (info->destroy)
 334         {
 335           GtkDestroyNotify d = info->destroy;
 336
 337           info->destroy = NULL;
 338           d (info->func_data);
 339         }
 340       gtk_tree_view_column_clear_attributes (tree_column, info->cell);
 341       g_object_unref (G_OBJECT (info->cell));
 342       g_free (info);
 343     }
 344
 345   g_free (tree_column->title);
 346
 347   G_OBJECT_CLASS (parent_class)->finalize (object);
 348 }
 349
 350 static void
 351 gtk_tree_view_column_set_property (GObject         *object,
 352                                    guint            prop_id,
 353                                    const GValue    *value,
 354                                    GParamSpec      *pspec)
 355 {
 356   GtkTreeViewColumn *tree_column;
 357
 358   tree_column = GTK_TREE_VIEW_COLUMN (object);
 359
 360   switch (prop_id)
 361     {
 362     case PROP_VISIBLE:
 363       gtk_tree_view_column_set_visible (tree_column,
 364                                         g_value_get_boolean (value));
 365       break;
 366
 367     case PROP_RESIZABLE:
 368       gtk_tree_view_column_set_resizable (tree_column,
 369                                           g_value_get_boolean (value));
 370       break;
 371
 372     case PROP_SIZING:
 373       gtk_tree_view_column_set_sizing (tree_column,
 374                                        g_value_get_enum (value));
 375       break;
 376
 377     case PROP_FIXED_WIDTH:
 378       gtk_tree_view_column_set_fixed_width (tree_column,
 379                                             g_value_get_int (value));
 380       break;
 381
 382     case PROP_MIN_WIDTH:
 383       gtk_tree_view_column_set_min_width (tree_column,
 384                                           g_value_get_int (value));
 385       break;
 386
 387     case PROP_MAX_WIDTH:
 388       gtk_tree_view_column_set_max_width (tree_column,
 389                                           g_value_get_int (value));
 390       break;
 391
 392     case PROP_TITLE:
 393       gtk_tree_view_column_set_title (tree_column,
 394                                       g_value_get_string (value));
 395       break;
 396
 397     case PROP_CLICKABLE:
 398       gtk_tree_view_column_set_clickable (tree_column,
 399                                           g_value_get_boolean (value));
 400       break;
 401
 402     case PROP_WIDGET:
 403       gtk_tree_view_column_set_widget (tree_column,
 404                                        (GtkWidget*) g_value_get_object (value));
 405       break;
 406
 407     case PROP_ALIGNMENT:
 408       gtk_tree_view_column_set_alignment (tree_column,
 409                                           g_value_get_float (value));
 410       break;
 411
 412     case PROP_REORDERABLE:
 413       gtk_tree_view_column_set_reorderable (tree_column,
 414                                             g_value_get_boolean (value));
 415       break;
 416
 417     case PROP_SORT_INDICATOR:
 418       gtk_tree_view_column_set_sort_indicator (tree_column,
 419                                                g_value_get_boolean (value));
 420       break;
 421
 422     case PROP_SORT_ORDER:
 423       gtk_tree_view_column_set_sort_order (tree_column,
 424                                            g_value_get_enum (value));
 425       break;
 426
 427     default:
 428       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 429       break;
 430     }
 431 }
 432
 433 static void
 434 gtk_tree_view_column_get_property (GObject         *object,
 435                                    guint            prop_id,
 436                                    GValue          *value,
 437                                    GParamSpec      *pspec)
 438 {
 439   GtkTreeViewColumn *tree_column;
 440
 441   tree_column = GTK_TREE_VIEW_COLUMN (object);
 442
 443   switch (prop_id)
 444     {
 445     case PROP_VISIBLE:
 446       g_value_set_boolean (value,
 447                            gtk_tree_view_column_get_visible (tree_column));
 448       break;
 449
 450     case PROP_RESIZABLE:
 451       g_value_set_boolean (value,
 452                            gtk_tree_view_column_get_resizable (tree_column));
 453       break;
 454
 455     case PROP_WIDTH:
 456       g_value_set_int (value,
 457                        gtk_tree_view_column_get_width (tree_column));
 458       break;
 459
 460     case PROP_SIZING:
 461       g_value_set_enum (value,
 462                         gtk_tree_view_column_get_sizing (tree_column));
 463       break;
 464
 465     case PROP_FIXED_WIDTH:
 466       g_value_set_int (value,
 467                        gtk_tree_view_column_get_fixed_width (tree_column));
 468       break;
 469
 470     case PROP_MIN_WIDTH:
 471       g_value_set_int (value,
 472                        gtk_tree_view_column_get_min_width (tree_column));
 473       break;
 474
 475     case PROP_MAX_WIDTH:
 476       g_value_set_int (value,
 477                        gtk_tree_view_column_get_max_width (tree_column));
 478       break;
 479
 480     case PROP_TITLE:
 481       g_value_set_string (value,
 482                           gtk_tree_view_column_get_title (tree_column));
 483       break;
 484
 485     case PROP_CLICKABLE:
 486       g_value_set_boolean (value,
 487                            gtk_tree_view_column_get_clickable (tree_column));
 488       break;
 489
 490     case PROP_WIDGET:
 491       g_value_set_object (value,
 492                           (GObject*) gtk_tree_view_column_get_widget (tree_column));
 493       break;
 494
 495     case PROP_ALIGNMENT:
 496       g_value_set_float (value,
 497                          gtk_tree_view_column_get_alignment (tree_column));
 498       break;
 499
 500     case PROP_REORDERABLE:
 501       g_value_set_boolean (value,
 502                            gtk_tree_view_column_get_reorderable (tree_column));
 503       break;
 504
 505     case PROP_SORT_INDICATOR:
 506       g_value_set_boolean (value,
 507                            gtk_tree_view_column_get_sort_indicator (tree_column));
 508       break;
 509
 510     case PROP_SORT_ORDER:
 511       g_value_set_enum (value,
 512                         gtk_tree_view_column_get_sort_order (tree_column));
 513       break;
 514
 515     default:
 516       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 517       break;
 518     }
 519 }
 520
 521 /* Helper functions
 522  */
 523
 524 /* Button handling code
 525  */
 526 static void
 527 gtk_tree_view_column_create_button (GtkTreeViewColumn *tree_column)
 528 {
 529   GtkTreeView *tree_view;
 530   GtkWidget *child;
 531   GtkWidget *hbox;
 532
 533   tree_view = (GtkTreeView *) tree_column->tree_view;
 534
 535   g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
 536   g_return_if_fail (tree_column->button == NULL);
 537
 538   gtk_widget_push_composite_child ();
 539   tree_column->button = gtk_button_new ();
 540   gtk_widget_add_events (tree_column->button, GDK_POINTER_MOTION_MASK);
 541   gtk_widget_pop_composite_child ();
 542
 543   /* make sure we own a reference to it as well. */
 544   if (tree_view->priv->header_window)
 545     gtk_widget_set_parent_window (tree_column->button, tree_view->priv->header_window);
 546   gtk_widget_set_parent (tree_column->button, GTK_WIDGET (tree_view));
 547
 548   g_signal_connect (G_OBJECT (tree_column->button), "event",
 549                     G_CALLBACK (gtk_tree_view_column_button_event),
 550                     (gpointer) tree_column);
 551
 552   g_signal_connect (G_OBJECT (tree_column->button), "clicked",
 553                     (GtkSignalFunc) gtk_tree_view_column_button_clicked,
 554                     (gpointer) tree_column);
 555
 556   tree_column->alignment = gtk_alignment_new (tree_column->xalign, 0.5, 0.0, 0.0);
 557
 558   hbox = gtk_hbox_new (FALSE, 2);
 559   tree_column->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_IN);
 560
 561   if (tree_column->child)
 562     child = tree_column->child;
 563   else
 564     {
 565       child = gtk_label_new (tree_column->title);
 566       gtk_widget_show (child);
 567     }
 568
 569   g_signal_connect (G_OBJECT (child), "mnemonic_activate",
 570                     G_CALLBACK (gtk_tree_view_column_mnemonic_activate),
 571                     (gpointer) tree_column);
 572
 573   if (tree_column->xalign <= 0.5)
 574     gtk_box_pack_end (GTK_BOX (hbox), tree_column->arrow, FALSE, FALSE, 0);
 575   else
 576     gtk_box_pack_start (GTK_BOX (hbox), tree_column->arrow, FALSE, FALSE, 0);
 577
 578   gtk_box_pack_start (GTK_BOX (hbox), tree_column->alignment, TRUE, TRUE, 0);
 579
 580   gtk_container_add (GTK_CONTAINER (tree_column->alignment), child);
 581   gtk_container_add (GTK_CONTAINER (tree_column->button), hbox);
 582
 583   gtk_widget_show (hbox);
 584   gtk_widget_show (tree_column->alignment);
 585   gtk_tree_view_column_update_button (tree_column);
 586 }
 587
 588 static void
 589 gtk_tree_view_column_update_button (GtkTreeViewColumn *tree_column)
 590 {
 591   GtkWidget *hbox;
 592   GtkWidget *alignment;
 593   GtkWidget *arrow;
 594   GtkWidget *current_child;
 595
 596   /* Create a button if necessary */
 597   if (tree_column->visible &&
 598       tree_column->button == NULL &&
 599       tree_column->tree_view &&
 600       GTK_WIDGET_REALIZED (tree_column->tree_view))
 601     gtk_tree_view_column_create_button (tree_column);
 602
 603   if (! tree_column->button)
 604     return;
 605
 606   hbox = GTK_BIN (tree_column->button)->child;
 607   alignment = tree_column->alignment;
 608   arrow = tree_column->arrow;
 609   current_child = GTK_BIN (alignment)->child;
 610
 611   /* Set up the actual button */
 612   gtk_alignment_set (GTK_ALIGNMENT (alignment), tree_column->xalign,
 613                      0.5, 0.0, 0.0);
 614
 615   if (tree_column->child)
 616     {
 617       if (current_child != tree_column->child)
 618         {
 619           gtk_container_remove (GTK_CONTAINER (alignment),
 620                                 current_child);
 621           gtk_container_add (GTK_CONTAINER (alignment),
 622                              tree_column->child);
 623         }
 624     }
 625   else
 626     {
 627       if (current_child == NULL)
 628         {
 629           current_child = gtk_label_new (NULL);
 630           gtk_widget_show (current_child);
 631           gtk_container_add (GTK_CONTAINER (alignment),
 632                              current_child);
 633         }
 634
 635       g_return_if_fail (GTK_IS_LABEL (current_child));
 636
 637       if (tree_column->title)
 638         gtk_label_set_text_with_mnemonic (GTK_LABEL (current_child),
 639                                           tree_column->title);
 640       else
 641         gtk_label_set_text_with_mnemonic (GTK_LABEL (current_child),
 642                                           "");
 643     }
 644
 645   switch (tree_column->sort_order)
 646     {
 647     case GTK_SORT_ASCENDING:
 648       gtk_arrow_set (GTK_ARROW (arrow),
 649                      GTK_ARROW_DOWN,
 650                      GTK_SHADOW_IN);
 651       break;
 652
 653     case GTK_SORT_DESCENDING:
 654       gtk_arrow_set (GTK_ARROW (arrow),
 655                      GTK_ARROW_UP,
 656                      GTK_SHADOW_IN);
 657       break;
 658
 659     default:
 660       g_warning (G_STRLOC": bad sort order");
 661       break;
 662     }
 663
 664   /* Put arrow on the right if the text is left-or-center justified,
 665        * and on the left otherwise; do this by packing boxes, so flipping
 666        * text direction will reverse things
 667        */
 668   gtk_widget_ref (arrow);
 669   gtk_container_remove (GTK_CONTAINER (hbox), arrow);
 670
 671   if (tree_column->xalign <= 0.5)
 672     {
 673       gtk_box_pack_end (GTK_BOX (hbox), arrow, FALSE, FALSE, 0);
 674     }
 675   else
 676     {
 677       gtk_box_pack_start (GTK_BOX (hbox), arrow, FALSE, FALSE, 0);
 678       /* move it to the front */
 679       gtk_box_reorder_child (GTK_BOX (hbox), arrow, 0);
 680     }
 681   gtk_widget_unref (arrow);
 682
 683   if (tree_column->show_sort_indicator)
 684     gtk_widget_show (arrow);
 685   else
 686     gtk_widget_hide (arrow);
 687
 688   /* It's always safe to hide the button.  It isn't always safe to show it, as if you show it
 689    * before it's realized, it'll get the wrong window. */
 690   if (tree_column->button &&
 691       tree_column->tree_view != NULL &&
 692       GTK_WIDGET_REALIZED (tree_column->tree_view))
 693     {
 694       if (tree_column->visible)
 695         {
 696           gtk_widget_show_now (tree_column->button);
 697           if (tree_column->window)
 698             {
 699               if (tree_column->resizable)
 700                 {
 701                   gdk_window_show (tree_column->window);
 702                   gdk_window_raise (tree_column->window);
 703                 }
 704               else
 705                 {
 706                   gdk_window_hide (tree_column->window);
 707                 }
 708             }
 709         }
 710       else
 711         {
 712           gtk_widget_hide (tree_column->button);
 713           if (tree_column->window)
 714             gdk_window_hide (tree_column->window);
 715         }
 716     }
 717
 718   if (tree_column->reorderable || tree_column->clickable)
 719     {
 720       GTK_WIDGET_SET_FLAGS (tree_column->button, GTK_CAN_FOCUS);
 721     }
 722   else
 723     {
 724       GTK_WIDGET_UNSET_FLAGS (tree_column->button, GTK_CAN_FOCUS);
 725       if (GTK_WIDGET_HAS_FOCUS (tree_column->button))
 726         {
 727           GtkWidget *toplevel = gtk_widget_get_toplevel (tree_column->tree_view);
 728           if (GTK_WIDGET_TOPLEVEL (toplevel))
 729             {
 730               gtk_window_set_focus (GTK_WINDOW (toplevel), NULL);
 731             }
 732         }
 733     }
 734   /* Queue a resize on the assumption that we always want to catch all changes
 735    * and columns don't change all that often.
 736    */
 737   if (GTK_WIDGET_REALIZED (tree_column->tree_view))
 738      gtk_widget_queue_resize (tree_column->tree_view);
 739
 740 }
 741
 742 /* Button signal handlers
 743  */
 744
 745 static gint
 746 gtk_tree_view_column_button_event (GtkWidget *widget,
 747                                    GdkEvent  *event,
 748                                    gpointer   data)
 749 {
 750   GtkTreeViewColumn *column = (GtkTreeViewColumn *) data;
 751
 752   g_return_val_if_fail (event != NULL, FALSE);
 753
 754   if (event->type == GDK_BUTTON_PRESS &&
 755       column->reorderable)
 756     {
 757       column->maybe_reordered = TRUE;
 758       gdk_window_get_pointer (widget->window,
 759                               &column->drag_x,
 760                               &column->drag_y,
 761                               NULL);
 762       gtk_widget_grab_focus (widget);
 763     }
 764
 765   if (event->type == GDK_BUTTON_RELEASE &&
 766       column->maybe_reordered)
 767     column->maybe_reordered = FALSE;
 768
 769   if (event->type == GDK_MOTION_NOTIFY &&
 770       (column->maybe_reordered) &&
 771       (gtk_drag_check_threshold (widget,
 772                                  column->drag_x,
 773                                  column->drag_y,
 774                                  (gint) ((GdkEventMotion *)event)->x,
 775                                  (gint) ((GdkEventMotion *)event)->y)))
 776     {
 777       column->maybe_reordered = FALSE;
 778       /* this is to change our drag_x to be relative to
 779        * tree_view->priv->bin_window, instead of our window.
 780        */
 781       column->drag_x -= column->button->allocation.x;
 782       _gtk_tree_view_column_start_drag (GTK_TREE_VIEW (column->tree_view), column);
 783       return TRUE;
 784     }
 785   if (column->clickable == FALSE)
 786     {
 787       switch (event->type)
 788         {
 789         case GDK_BUTTON_PRESS:
 790         case GDK_2BUTTON_PRESS:
 791         case GDK_3BUTTON_PRESS:
 792         case GDK_MOTION_NOTIFY:
 793         case GDK_BUTTON_RELEASE:
 794         case GDK_ENTER_NOTIFY:
 795         case GDK_LEAVE_NOTIFY:
 796           return TRUE;
 797         default:
 798           return FALSE;
 799         }
 800     }
 801   return FALSE;
 802 }
 803
 804
 805 static void
 806 gtk_tree_view_column_button_clicked (GtkWidget *widget, gpointer data)
 807 {
 808   g_signal_emit_by_name (G_OBJECT (data), "clicked");
 809 }
 810
 811 static gboolean
 812 gtk_tree_view_column_mnemonic_activate (GtkWidget *widget,
 813                                         gboolean   group_cycling,
 814                                         gpointer   data)
 815 {
 816   GtkTreeViewColumn *column = (GtkTreeViewColumn *)data;
 817
 818   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), FALSE);
 819
 820   if (column->clickable)
 821     gtk_button_clicked (GTK_BUTTON (column->button));
 822   else if (GTK_WIDGET_CAN_FOCUS (column->button))
 823     gtk_widget_grab_focus (column->button);
 824   else
 825     {
 826       GTK_TREE_VIEW (column->tree_view)->priv->focus_column = column;
 827       GTK_TREE_VIEW_SET_FLAG (GTK_TREE_VIEW (column->tree_view),
 828                               GTK_TREE_VIEW_DRAW_KEYFOCUS);
 829       gtk_widget_grab_focus (column->tree_view);
 830     }
 831
 832   return TRUE;
 833 }
 834
 835 static void
 836 gtk_tree_view_model_sort_column_changed (GtkTreeSortable   *sortable,
 837                                          GtkTreeViewColumn *column)
 838 {
 839   gint sort_column_id;
 840   GtkSortType order;
 841
 842   if (gtk_tree_sortable_get_sort_column_id (sortable,
 843                                             &sort_column_id,
 844                                             &order))
 845     {
 846       if (sort_column_id == column->sort_column_id)
 847         {
 848           gtk_tree_view_column_set_sort_indicator (column, TRUE);
 849           gtk_tree_view_column_set_sort_order (column, order);
 850         }
 851       else
 852         {
 853           gtk_tree_view_column_set_sort_indicator (column, FALSE);
 854         }
 855     }
 856   else
 857     {
 858       gtk_tree_view_column_set_sort_indicator (column, FALSE);
 859     }
 860 }
 861
 862 static void
 863 gtk_tree_view_column_sort (GtkTreeViewColumn *tree_column,
 864                            gpointer           data)
 865 {
 866   gint sort_column_id;
 867   GtkSortType order;
 868   gboolean has_sort_column;
 869   gboolean has_default_sort_func;
 870
 871   g_return_if_fail (tree_column->tree_view != NULL);
 872
 873   has_sort_column =
 874     gtk_tree_sortable_get_sort_column_id (GTK_TREE_SORTABLE (GTK_TREE_VIEW (tree_column->tree_view)->priv->model),
 875                                           &sort_column_id,
 876                                           &order);
 877   has_default_sort_func =
 878     gtk_tree_sortable_has_default_sort_func (GTK_TREE_SORTABLE (GTK_TREE_VIEW (tree_column->tree_view)->priv->model));
 879
 880   if (has_sort_column &&
 881       sort_column_id == tree_column->sort_column_id)
 882     {
 883       if (order == GTK_SORT_ASCENDING)
 884         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (GTK_TREE_VIEW (tree_column->tree_view)->priv->model),
 885                                               tree_column->sort_column_id,
 886                                               GTK_SORT_DESCENDING);
 887       else if (order == GTK_SORT_DESCENDING && has_default_sort_func)
 888         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (GTK_TREE_VIEW (tree_column->tree_view)->priv->model),
 889                                               GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
 890                                               GTK_SORT_ASCENDING);
 891       else
 892         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (GTK_TREE_VIEW (tree_column->tree_view)->priv->model),
 893                                               tree_column->sort_column_id,
 894                                               GTK_SORT_ASCENDING);
 895     }
 896   else
 897     {
 898       gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (GTK_TREE_VIEW (tree_column->tree_view)->priv->model),
 899                                             tree_column->sort_column_id,
 900                                             GTK_SORT_ASCENDING);
 901     }
 902 }
 903
 904
 905 static void
 906 gtk_tree_view_column_setup_sort_column_id_callback (GtkTreeViewColumn *tree_column)
 907 {
 908   GtkTreeModel *model;
 909
 910   if (tree_column->tree_view == NULL)
 911     return;
 912
 913   model = gtk_tree_view_get_model (GTK_TREE_VIEW (tree_column->tree_view));
 914
 915   if (model == NULL)
 916     return;
 917
 918   if (GTK_IS_TREE_SORTABLE (model) &&
 919       tree_column->sort_column_id != -1)
 920     {
 921       gint real_sort_column_id;
 922       GtkSortType real_order;
 923
 924       if (tree_column->sort_column_changed_signal == 0)
 925         tree_column->sort_column_changed_signal =
 926           g_signal_connect (G_OBJECT (model), "sort_column_changed",
 927                             GTK_SIGNAL_FUNC (gtk_tree_view_model_sort_column_changed),
 928                             tree_column);
 929
 930       if (gtk_tree_sortable_get_sort_column_id (GTK_TREE_SORTABLE (model),
 931                                                 &real_sort_column_id,
 932                                                 &real_order) &&
 933           (real_sort_column_id == tree_column->sort_column_id))
 934         {
 935           gtk_tree_view_column_set_sort_indicator (tree_column, TRUE);
 936           gtk_tree_view_column_set_sort_order (tree_column, real_order);
 937
 938           return;
 939         }
 940     }
 941 }
 942
 943
 944 /* Exported Private Functions.
 945  * These should only be called by gtktreeview.c or gtktreeviewcolumn.c
 946  */
 947
 948 void
 949 _gtk_tree_view_column_realize_button (GtkTreeViewColumn *column)
 950 {
 951   GtkTreeView *tree_view;
 952   GdkWindowAttr attr;
 953   guint attributes_mask;
 954
 955   tree_view = (GtkTreeView *)column->tree_view;
 956
 957   g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
 958   g_return_if_fail (GTK_WIDGET_REALIZED (tree_view));
 959   g_return_if_fail (tree_view->priv->header_window != NULL);
 960   g_return_if_fail (column->button != NULL);
 961
 962   gtk_widget_set_parent_window (column->button, tree_view->priv->header_window);
 963
 964   if (column->visible)
 965     gtk_widget_show (column->button);
 966
 967   attr.window_type = GDK_WINDOW_CHILD;
 968   attr.wclass = GDK_INPUT_ONLY;
 969   attr.visual = gtk_widget_get_visual (GTK_WIDGET (tree_view));
 970   attr.colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_view));
 971   attr.event_mask = gtk_widget_get_events (GTK_WIDGET (tree_view));
 972   attr.event_mask = (GDK_BUTTON_PRESS_MASK |
 973                      GDK_BUTTON_RELEASE_MASK |
 974                      GDK_POINTER_MOTION_MASK |
 975                      GDK_POINTER_MOTION_HINT_MASK |
 976                      GDK_KEY_PRESS_MASK);
 977   attributes_mask = GDK_WA_CURSOR | GDK_WA_X | GDK_WA_Y;
 978   attr.cursor = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW);
 979
 980   attr.y = 0;
 981   attr.width = TREE_VIEW_DRAG_WIDTH;
 982   attr.height = tree_view->priv->header_height;
 983
 984   attr.x = (column->button->allocation.x + column->button->allocation.width) - 3;
 985
 986   column->window = gdk_window_new (tree_view->priv->header_window,
 987                                    &attr, attributes_mask);
 988   gdk_window_set_user_data (column->window, tree_view);
 989
 990   gtk_tree_view_column_update_button (column);
 991
 992   gdk_cursor_unref (attr.cursor);
 993 }
 994
 995 void
 996 _gtk_tree_view_column_unrealize_button (GtkTreeViewColumn *column)
 997 {
 998   g_return_if_fail (column != NULL);
 999   g_return_if_fail (column->window != NULL);
1000
1001   gdk_window_set_user_data (column->window, NULL);
1002   gdk_window_destroy (column->window);
1003   column->window = NULL;
1004 }
1005
1006 void
1007 _gtk_tree_view_column_set_tree_view (GtkTreeViewColumn *column,
1008                                      GtkTreeView       *tree_view)
1009 {
1010   g_assert (column->tree_view == NULL);
1011
1012   column->tree_view = GTK_WIDGET (tree_view);
1013   gtk_tree_view_column_create_button (column);
1014
1015   column->property_changed_signal =
1016           g_signal_connect_swapped (GTK_OBJECT (tree_view),
1017                                     "notify::model",
1018                                     GTK_SIGNAL_FUNC (gtk_tree_view_column_setup_sort_column_id_callback),
1019                                     column);
1020
1021   gtk_tree_view_column_setup_sort_column_id_callback (column);
1022 }
1023
1024 void
1025 _gtk_tree_view_column_unset_tree_view (GtkTreeViewColumn *column)
1026 {
1027   if (column->tree_view && column->button)
1028     {
1029       gtk_container_remove (GTK_CONTAINER (column->tree_view), column->button);
1030     }
1031   if (column->property_changed_signal)
1032     {
1033       g_signal_handler_disconnect (G_OBJECT (column->tree_view), column->property_changed_signal);
1034       column->property_changed_signal = 0;
1035     }
1036
1037   if (column->sort_column_changed_signal)
1038     {
1039       g_signal_handler_disconnect (G_OBJECT (gtk_tree_view_get_model (GTK_TREE_VIEW (column->tree_view))),
1040                                    column->sort_column_changed_signal);
1041       column->sort_column_changed_signal = 0;
1042     }
1043
1044   column->tree_view = NULL;
1045   column->button = NULL;
1046 }
1047
1048 /* Public Functions */
1049
1050
1051 /**
1052  * gtk_tree_view_column_new:
1053  *
1054  * Creates a new #GtkTreeViewColumn.
1055  *
1056  * Return value: A newly created #GtkTreeViewColumn.
1057  **/
1058 GtkTreeViewColumn *
1059 gtk_tree_view_column_new (void)
1060 {
1061   GtkTreeViewColumn *tree_column;
1062
1063   tree_column = GTK_TREE_VIEW_COLUMN (gtk_type_new (GTK_TYPE_TREE_VIEW_COLUMN));
1064
1065   return tree_column;
1066 }
1067
1068 /**
1069  * gtk_tree_view_column_new_with_attributes:
1070  * @title: The title to set the header to.
1071  * @cell: The #GtkCellRenderer.
1072  * @Varargs: A %NULL-terminated list of attributes.
1073  *
1074  * Creates a new #GtkTreeViewColumn with a number of default values.  This is
1075  * equivalent to calling gtk_tree_view_column_set_title(),
1076  * gtk_tree_view_column_pack_start(), and
1077  * gtk_tree_view_column_set_attributes() on the newly created #GtkTreeViewColumn.
1078  *
1079  * Return value: A newly created #GtkTreeViewColumn.
1080  **/
1081 GtkTreeViewColumn *
1082 gtk_tree_view_column_new_with_attributes (const gchar     *title,
1083                                           GtkCellRenderer *cell,
1084                                           ...)
1085 {
1086   GtkTreeViewColumn *retval;
1087   va_list args;
1088
1089   retval = gtk_tree_view_column_new ();
1090
1091   gtk_tree_view_column_set_title (retval, title);
1092   gtk_tree_view_column_pack_start (retval, cell, TRUE);
1093
1094   va_start (args, cell);
1095   gtk_tree_view_column_set_attributesv (retval, cell, args);
1096   va_end (args);
1097
1098   return retval;
1099 }
1100
1101 static GtkTreeViewColumnCellInfo *
1102 gtk_tree_view_column_get_cell_info (GtkTreeViewColumn *tree_column,
1103                                     GtkCellRenderer   *cell_renderer)
1104 {
1105   GList *list;
1106   for (list = tree_column->cell_list; list; list = list->next)
1107     if (((GtkTreeViewColumnCellInfo *)list->data)->cell == cell_renderer)
1108       return (GtkTreeViewColumnCellInfo *) list->data;
1109   return NULL;
1110 }
1111
1112
1113 /**
1114  * gtk_tree_view_column_pack_start:
1115  * @tree_column: A #GtkTreeViewColumn.
1116  * @cell: The #GtkCellRenderer.
1117  * @expand: %TRUE if @cell is to be given extra space allocated to box.
1118  *
1119  * Packs the @cell into the beginning column.  If @expand is %TRUE, then the
1120  * @cell is allocated a share of all available space that the @tree_column has.
1121  **/
1122 void
1123 gtk_tree_view_column_pack_start (GtkTreeViewColumn *tree_column,
1124                                  GtkCellRenderer   *cell,
1125                                  gboolean           expand)
1126 {
1127   GtkTreeViewColumnCellInfo *cell_info;
1128
1129   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1130   g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
1131   g_return_if_fail (! gtk_tree_view_column_get_cell_info (tree_column, cell));
1132
1133   g_object_ref (G_OBJECT (cell));
1134   gtk_object_sink (GTK_OBJECT (cell));
1135
1136   cell_info = g_new0 (GtkTreeViewColumnCellInfo, 1);
1137   cell_info->cell = cell;
1138   cell_info->expand = expand ? TRUE : FALSE;
1139   cell_info->pack = GTK_PACK_START;
1140   cell_info->has_focus = 0;
1141   cell_info->attributes = NULL;
1142
1143   tree_column->cell_list = g_list_append (tree_column->cell_list, cell_info);
1144 }
1145
1146 /**
1147  * gtk_tree_view_column_pack_end:
1148  * @tree_column: A #GtkTreeViewColumn.
1149  * @cell: The #GtkCellRenderer.
1150  * @expand: %TRUE if @cell is to be given extra space allocated to box.
1151  *
1152  * Packs the @cell into the column.  If @expand is %TRUE, then the @cell is
1153  * allocated a share of all available space that the @tree_column has.
1154  **/
1155 void
1156 gtk_tree_view_column_pack_end (GtkTreeViewColumn  *tree_column,
1157                                GtkCellRenderer    *cell,
1158                                gboolean            expand)
1159 {
1160   GtkTreeViewColumnCellInfo *cell_info;
1161
1162   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1163   g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
1164   g_return_if_fail (! gtk_tree_view_column_get_cell_info (tree_column, cell));
1165
1166   g_object_ref (G_OBJECT (cell));
1167   gtk_object_sink (GTK_OBJECT (cell));
1168
1169   cell_info = g_new (GtkTreeViewColumnCellInfo, 1);
1170   cell_info->cell = cell;
1171   cell_info->expand = expand ? TRUE : FALSE;
1172   cell_info->pack = GTK_PACK_END;
1173   cell_info->has_focus = 0;
1174   cell_info->attributes = NULL;
1175
1176   tree_column->cell_list = g_list_append (tree_column->cell_list, cell_info);
1177 }
1178
1179
1180 /**
1181  * gtk_tree_view_column_clear:
1182  * @tree_column: A #GtkTreeViewColumn
1183  *
1184  * Unsets all the mappings on all renderers on the @tree_column.
1185  **/
1186 void
1187 gtk_tree_view_column_clear (GtkTreeViewColumn *tree_column)
1188 {
1189   GList *list;
1190   g_return_if_fail (tree_column != NULL);
1191
1192   for (list = tree_column->cell_list; list; list = list->next)
1193     {
1194       GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *)list->data;
1195
1196       g_object_unref (G_OBJECT (info->cell));
1197       gtk_tree_view_column_clear_attributes (tree_column, info->cell);
1198       g_free (info);
1199     }
1200
1201   g_list_free (tree_column->cell_list);
1202   tree_column->cell_list = NULL;
1203 }
1204
1205 /**
1206  * gtk_tree_view_column_get_cell_renderers:
1207  * @tree_column: A #GtkTreeViewColumn
1208  *
1209  * Returns a newly-allocated #GList of all the cell renderers in the column,
1210  * in no particular order.  The list must be freed with g_list_free().
1211  *
1212  * Return value: A list of #GtkCellRenderers
1213  **/
1214 GList *
1215 gtk_tree_view_column_get_cell_renderers (GtkTreeViewColumn *tree_column)
1216 {
1217   GList *retval = NULL, *list;
1218
1219   g_return_val_if_fail (tree_column != NULL, NULL);
1220
1221   for (list = tree_column->cell_list; list; list = list->next)
1222     {
1223       GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *)list->data;
1224
1225       retval = g_list_append (retval, info->cell);
1226     }
1227
1228   return retval;
1229 }
1230
1231 /**
1232  * gtk_tree_view_column_add_attribute:
1233  * @tree_column: A #GtkTreeViewColumn.
1234  * @cell_renderer: the #GtkCellRenderer to set attributes on
1235  * @attribute: An attribute on the renderer
1236  * @column: The column position on the model to get the attribute from.
1237  *
1238  * Adds an attribute mapping to the list in @tree_column.  The @column is the
1239  * column of the model to get a value from, and the @attribute is the
1240  * parameter on @cell_renderer to be set from the value. So for example
1241  * if column 2 of the model contains strings, you could have the
1242  * "text" attribute of a #GtkCellRendererText get its values from
1243  * column 2.
1244  **/
1245 void
1246 gtk_tree_view_column_add_attribute (GtkTreeViewColumn *tree_column,
1247                                     GtkCellRenderer   *cell_renderer,
1248                                     const gchar       *attribute,
1249                                     gint               column)
1250 {
1251   GtkTreeViewColumnCellInfo *info;
1252
1253   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1254   info = gtk_tree_view_column_get_cell_info (tree_column, cell_renderer);
1255   g_return_if_fail (info != NULL);
1256
1257   info->attributes = g_slist_prepend (info->attributes, GINT_TO_POINTER (column));
1258   info->attributes = g_slist_prepend (info->attributes, g_strdup (attribute));
1259
1260   if (tree_column->tree_view)
1261     _gtk_tree_view_column_cell_set_dirty (tree_column, TRUE);
1262
1263 }
1264
1265 static void
1266 gtk_tree_view_column_set_attributesv (GtkTreeViewColumn *tree_column,
1267                                       GtkCellRenderer   *cell_renderer,
1268                                       va_list            args)
1269 {
1270   gchar *attribute;
1271   gint column;
1272
1273   attribute = va_arg (args, gchar *);
1274
1275   gtk_tree_view_column_clear_attributes (tree_column, cell_renderer);
1276
1277   while (attribute != NULL)
1278     {
1279       column = va_arg (args, gint);
1280       gtk_tree_view_column_add_attribute (tree_column, cell_renderer, attribute, column);
1281       attribute = va_arg (args, gchar *);
1282     }
1283 }
1284
1285 /**
1286  * gtk_tree_view_column_set_attributes:
1287  * @tree_column: A #GtkTreeViewColumn.
1288  * @cell_renderer: the #GtkCellRenderer we're setting the attributes of
1289  * @Varargs: A %NULL-terminated list of attributes.
1290  *
1291  * Sets the attributes in the list as the attributes of @tree_column.
1292  * The attributes should be in attribute/column order, as in
1293  * gtk_tree_view_column_add_attribute(). All existing attributes
1294  * are removed, and replaced with the new attributes.
1295  **/
1296 void
1297 gtk_tree_view_column_set_attributes (GtkTreeViewColumn *tree_column,
1298                                      GtkCellRenderer   *cell_renderer,
1299                                      ...)
1300 {
1301   va_list args;
1302
1303   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1304   g_return_if_fail (GTK_IS_CELL_RENDERER (cell_renderer));
1305   g_return_if_fail (gtk_tree_view_column_get_cell_info (tree_column, cell_renderer));
1306
1307   va_start (args, cell_renderer);
1308   gtk_tree_view_column_set_attributesv (tree_column, cell_renderer, args);
1309   va_end (args);
1310 }
1311
1312
1313 /**
1314  * gtk_tree_view_column_set_cell_data_func:
1315  * @tree_column: A #GtkTreeViewColumn
1316  * @cell_renderer: A #GtkCellRenderer
1317  * @func: The #GtkTreeViewColumnFunc to use.
1318  * @func_data: The user data for @func.
1319  * @destroy: The destroy notification for @func_data
1320  *
1321  * Sets the #GtkTreeViewColumnFunc to use for the column.  This
1322  * function is used instead of the standard attributes mapping for
1323  * setting the column value, and should set the value of @tree_column's
1324  * cell renderer as appropriate.  @func may be %NULL to remove an
1325  * older one.
1326  **/
1327 void
1328 gtk_tree_view_column_set_cell_data_func (GtkTreeViewColumn   *tree_column,
1329                                          GtkCellRenderer     *cell_renderer,
1330                                          GtkTreeCellDataFunc  func,
1331                                          gpointer             func_data,
1332                                          GtkDestroyNotify     destroy)
1333 {
1334   GtkTreeViewColumnCellInfo *info;
1335
1336   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1337   g_return_if_fail (GTK_IS_CELL_RENDERER (cell_renderer));
1338   info = gtk_tree_view_column_get_cell_info (tree_column, cell_renderer);
1339
1340   g_return_if_fail (info != NULL);
1341
1342   if (info->destroy)
1343     {
1344       GtkDestroyNotify d = info->destroy;
1345
1346       info->destroy = NULL;
1347       d (info->func_data);
1348     }
1349
1350   info->func = func;
1351   info->func_data = func_data;
1352   info->destroy = destroy;
1353
1354   if (tree_column->tree_view)
1355     _gtk_tree_view_column_cell_set_dirty (tree_column, TRUE);
1356 }
1357
1358
1359 /**
1360  * gtk_tree_view_column_clear_attributes:
1361  * @tree_column: a #GtkTreeViewColumn
1362  * @cell_renderer: a #GtkCellRenderer to clear the attribute mapping on.
1363  *
1364  * Clears all existing attributes previously set with
1365  * gtk_tree_view_column_set_attributes().
1366  **/
1367 void
1368 gtk_tree_view_column_clear_attributes (GtkTreeViewColumn *tree_column,
1369                                        GtkCellRenderer   *cell_renderer)
1370 {
1371   GtkTreeViewColumnCellInfo *info;
1372   GSList *list;
1373
1374   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1375   g_return_if_fail (GTK_IS_CELL_RENDERER (cell_renderer));
1376   info = gtk_tree_view_column_get_cell_info (tree_column, cell_renderer);
1377
1378   list = info->attributes;
1379
1380   while (list && list->next)
1381     {
1382       g_free (list->data);
1383       list = list->next->next;
1384     }
1385   g_slist_free (info->attributes);
1386   info->attributes = NULL;
1387
1388   if (tree_column->tree_view)
1389     _gtk_tree_view_column_cell_set_dirty (tree_column, TRUE);
1390 }
1391
1392
1393 /**
1394  * gtk_tree_view_column_set_spacing:
1395  * @tree_column: A #GtkTreeViewColumn.
1396  * @spacing: distance between cell renderers in pixels.
1397  *
1398  * Sets the spacing field of @tree_column, which is the number of pixels to
1399  * place between cell renderers packed into it.
1400  **/
1401 void
1402 gtk_tree_view_column_set_spacing (GtkTreeViewColumn *tree_column,
1403                                   gint               spacing)
1404 {
1405   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1406   g_return_if_fail (spacing >= 0);
1407
1408   if (tree_column->spacing == spacing)
1409     return;
1410
1411   tree_column->spacing = spacing;
1412   if (tree_column->tree_view)
1413     _gtk_tree_view_column_cell_set_dirty (tree_column, TRUE);
1414 }
1415
1416 /**
1417  * gtk_tree_view_column_get_spacing:
1418  * @tree_column: A #GtkTreeViewColumn.
1419  *
1420  * Returns the spacing of @tree_column.
1421  *
1422  * Return value: the spacing of @tree_column.
1423  **/
1424 gint
1425 gtk_tree_view_column_get_spacing (GtkTreeViewColumn *tree_column)
1426 {
1427   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0);
1428
1429   return tree_column->spacing;
1430 }
1431
1432 /* Options for manipulating the columns */
1433
1434 /**
1435  * gtk_tree_view_column_set_visible:
1436  * @tree_column: A #GtkTreeViewColumn.
1437  * @visible: %TRUE if the @tree_column is visible.
1438  *
1439  * Sets the visibility of @tree_column.
1440  **/
1441 void
1442 gtk_tree_view_column_set_visible (GtkTreeViewColumn *tree_column,
1443                                   gboolean           visible)
1444 {
1445   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1446
1447   visible = !! visible;
1448
1449   if (tree_column->visible == visible)
1450     return;
1451
1452   tree_column->visible = visible;
1453
1454   if (tree_column->visible)
1455     _gtk_tree_view_column_cell_set_dirty (tree_column, TRUE);
1456
1457   gtk_tree_view_column_update_button (tree_column);
1458   g_object_notify (G_OBJECT (tree_column), "visible");
1459 }
1460
1461 /**
1462  * gtk_tree_view_column_get_visible:
1463  * @tree_column: A #GtkTreeViewColumn.
1464  *
1465  * Returns %TRUE if @tree_column is visible.
1466  *
1467  * Return value: whether the column is visible or not.  If it is visible, then
1468  * the tree will show the column.
1469  **/
1470 gboolean
1471 gtk_tree_view_column_get_visible (GtkTreeViewColumn *tree_column)
1472 {
1473   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE);
1474
1475   return tree_column->visible;
1476 }
1477
1478 /**
1479  * gtk_tree_view_column_set_resizable:
1480  * @tree_column: A #GtkTreeViewColumn
1481  * @resizable: %TRUE, if the column can be resized
1482  *
1483  * If @resizable is %TRUE, then the user can explicitly resize the column by
1484  * grabbing the outer edge of the column button.  If resizable is TRUE and
1485  * sizing mode of the column is #GTK_TREE_VIEW_COLUMN_AUTOSIZE, then the sizing
1486  * mode is changed to #GTK_TREE_VIEW_COLUMN_GROW_ONLY.
1487  **/
1488 void
1489 gtk_tree_view_column_set_resizable (GtkTreeViewColumn *tree_column,
1490                                     gboolean           resizable)
1491 {
1492   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1493
1494   resizable = !! resizable;
1495
1496   if (tree_column->resizable == resizable)
1497     return;
1498
1499   tree_column->resizable = resizable;
1500
1501   if (resizable && tree_column->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
1502     gtk_tree_view_column_set_sizing (tree_column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
1503
1504   gtk_tree_view_column_update_button (tree_column);
1505
1506   g_object_notify (G_OBJECT (tree_column), "resizable");
1507 }
1508
1509 /**
1510  * gtk_tree_view_column_get_resizable:
1511  * @tree_column: A #GtkTreeViewColumn
1512  *
1513  * Returns #TRUE if the @tree_column can be resized by the end user.
1514  *
1515  * Return value: #TRUE, if the @tree_column can be resized.
1516  **/
1517 gboolean
1518 gtk_tree_view_column_get_resizable (GtkTreeViewColumn *tree_column)
1519 {
1520   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE);
1521
1522   return tree_column->resizable;
1523 }
1524
1525
1526 /**
1527  * gtk_tree_view_column_set_sizing:
1528  * @tree_column: A #GtkTreeViewColumn.
1529  * @type: The #GtkTreeViewColumnSizing.
1530  *
1531  * Sets the growth behavior of @tree_column to @type.
1532  **/
1533 void
1534 gtk_tree_view_column_set_sizing (GtkTreeViewColumn       *tree_column,
1535                                  GtkTreeViewColumnSizing  type)
1536 {
1537   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1538
1539   if (type == tree_column->column_type)
1540     return;
1541
1542   if (type == GTK_TREE_VIEW_COLUMN_AUTOSIZE)
1543     gtk_tree_view_column_set_resizable (tree_column, FALSE);
1544
1545 #if 0
1546   /* I was clearly on crack when I wrote this.  I'm not sure what's supposed to
1547    * be below so I'll leave it until I figure it out.
1548    */
1549   if (tree_column->column_type == GTK_TREE_VIEW_COLUMN_AUTOSIZE &&
1550       tree_column->requested_width != -1)
1551     {
1552       gtk_tree_view_column_set_sizing (tree_column, tree_column->requested_width);
1553     }
1554 #endif
1555   tree_column->column_type = type;
1556
1557   gtk_tree_view_column_update_button (tree_column);
1558
1559   g_object_notify (G_OBJECT (tree_column), "sizing");
1560 }
1561
1562 /**
1563  * gtk_tree_view_column_get_sizing:
1564  * @tree_column: A #GtkTreeViewColumn.
1565  *
1566  * Returns the current type of @tree_column.
1567  *
1568  * Return value: The type of @tree_column.
1569  **/
1570 GtkTreeViewColumnSizing
1571 gtk_tree_view_column_get_sizing (GtkTreeViewColumn *tree_column)
1572 {
1573   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0);
1574
1575   return tree_column->column_type;
1576 }
1577
1578 /**
1579  * gtk_tree_view_column_get_width:
1580  * @tree_column: A #GtkTreeViewColumn.
1581  *
1582  * Returns the current size of @tree_column in pixels.
1583  *
1584  * Return value: The current width of @tree_column.
1585  **/
1586 gint
1587 gtk_tree_view_column_get_width (GtkTreeViewColumn *tree_column)
1588 {
1589   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0);
1590
1591   return tree_column->width;
1592 }
1593
1594 /**
1595  * gtk_tree_view_column_set_fixed_width:
1596  * @tree_column: A #GtkTreeViewColumn.
1597  * @fixed_width: The size to set @tree_column to. Must be greater than 0.
1598  *
1599  * Sets the size of the column in pixels.  This is meaningful only if the sizing
1600  * type is #GTK_TREE_VIEW_COLUMN_FIXED.  The size of the column is clamped to
1601  * the min/max width for the column.  Please note that the min/max width of the
1602  * column doesn't actually affect the "fixed_width" property of the widget, just
1603  * the actual size when displayed.
1604  **/
1605 void
1606 gtk_tree_view_column_set_fixed_width (GtkTreeViewColumn *tree_column,
1607                                       gint               fixed_width)
1608 {
1609   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1610   g_return_if_fail (fixed_width > 0);
1611
1612   tree_column->fixed_width = fixed_width;
1613
1614   if (tree_column->tree_view &&
1615       GTK_WIDGET_REALIZED (tree_column->tree_view) &&
1616       tree_column->column_type == GTK_TREE_VIEW_COLUMN_FIXED)
1617     {
1618       gtk_widget_queue_resize (tree_column->tree_view);
1619     }
1620
1621   g_object_notify (G_OBJECT (tree_column), "fixed_width");
1622 }
1623
1624 /**
1625  * gtk_tree_view_column_get_fixed_width:
1626  * @tree_column: a #GtkTreeViewColumn
1627  *
1628  * Gets the fixed width of the column.  This value is only meaning may not be
1629  * the actual width of the column on the screen, just what is requested.
1630  *
1631  * Return value: the fixed width of the column
1632  **/
1633 gint
1634 gtk_tree_view_column_get_fixed_width (GtkTreeViewColumn *tree_column)
1635 {
1636   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0);
1637
1638   return tree_column->fixed_width;
1639 }
1640
1641 /**
1642  * gtk_tree_view_column_set_min_width:
1643  * @tree_column: A #GtkTreeViewColumn.
1644  * @min_width: The minimum width of the column in pixels, or -1.
1645  *
1646  * Sets the minimum width of the @tree_column.  If @min_width is -1, then the
1647  * minimum width is unset.
1648  **/
1649 void
1650 gtk_tree_view_column_set_min_width (GtkTreeViewColumn *tree_column,
1651                                     gint               min_width)
1652 {
1653   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1654   g_return_if_fail (min_width >= -1);
1655
1656   if (min_width == tree_column->min_width)
1657     return;
1658
1659   if (tree_column->visible &&
1660       tree_column->tree_view != NULL &&
1661       GTK_WIDGET_REALIZED (tree_column->tree_view))
1662     {
1663       if (min_width > tree_column->width)
1664         gtk_widget_queue_resize (tree_column->tree_view);
1665     }
1666
1667   tree_column->min_width = min_width;
1668   g_object_freeze_notify (G_OBJECT (tree_column));
1669   if (tree_column->max_width != -1 && tree_column->max_width < min_width)
1670     {
1671       tree_column->max_width = min_width;
1672       g_object_notify (G_OBJECT (tree_column), "max_width");
1673     }
1674   g_object_notify (G_OBJECT (tree_column), "min_width");
1675   g_object_thaw_notify (G_OBJECT (tree_column));
1676 }
1677
1678 /**
1679  * gtk_tree_view_column_get_min_width:
1680  * @tree_column: A #GtkTreeViewColumn.
1681  *
1682  * Returns the minimum width in pixels of the @tree_column, or -1 if no minimum
1683  * width is set.
1684  *
1685  * Return value: The minimum width of the @tree_column.
1686  **/
1687 gint
1688 gtk_tree_view_column_get_min_width (GtkTreeViewColumn *tree_column)
1689 {
1690   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), -1);
1691
1692   return tree_column->min_width;
1693 }
1694
1695 /**
1696  * gtk_tree_view_column_set_max_width:
1697  * @tree_column: A #GtkTreeViewColumn.
1698  * @max_width: The maximum width of the column in pixels, or -1.
1699  *
1700  * Sets the maximum width of the @tree_column.  If @max_width is -1, then the
1701  * maximum width is unset.  Note, the column can actually be wider than max
1702  * width if it's the last column in a view.  In this case, the column expands to
1703  * fill any extra space.
1704  **/
1705 void
1706 gtk_tree_view_column_set_max_width (GtkTreeViewColumn *tree_column,
1707                                     gint               max_width)
1708 {
1709   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1710   g_return_if_fail (max_width >= -1);
1711
1712   if (max_width == tree_column->max_width)
1713     return;
1714
1715   if (tree_column->visible &&
1716       tree_column->tree_view != NULL &&
1717       GTK_WIDGET_REALIZED (tree_column->tree_view))
1718     {
1719       if (max_width != -1 && max_width < tree_column->width)
1720         gtk_widget_queue_resize (tree_column->tree_view);
1721     }
1722
1723   tree_column->max_width = max_width;
1724   g_object_freeze_notify (G_OBJECT (tree_column));
1725   if (max_width != -1 && max_width < tree_column->min_width)
1726     {
1727       tree_column->min_width = max_width;
1728       g_object_notify (G_OBJECT (tree_column), "min_width");
1729     }
1730   g_object_notify (G_OBJECT (tree_column), "max_width");
1731   g_object_thaw_notify (G_OBJECT (tree_column));
1732 }
1733
1734 /**
1735  * gtk_tree_view_column_get_max_width:
1736  * @tree_column: A #GtkTreeViewColumn.
1737  *
1738  * Returns the maximum width in pixels of the @tree_column, or -1 if no maximum
1739  * width is set.
1740  *
1741  * Return value: The maximum width of the @tree_column.
1742  **/
1743 gint
1744 gtk_tree_view_column_get_max_width (GtkTreeViewColumn *tree_column)
1745 {
1746   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), -1);
1747
1748   return tree_column->max_width;
1749 }
1750
1751 /**
1752  * gtk_tree_view_column_clicked:
1753  * @tree_column: a #GtkTreeViewColumn
1754  *
1755  * Emits the "clicked" signal on the column.  This function will only work if
1756  * @tree_column is clickable.
1757  **/
1758 void
1759 gtk_tree_view_column_clicked (GtkTreeViewColumn *tree_column)
1760 {
1761   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1762
1763   if (tree_column->visible &&
1764       tree_column->button &&
1765       tree_column->clickable)
1766     gtk_button_clicked (GTK_BUTTON (tree_column->button));
1767 }
1768
1769 /**
1770  * gtk_tree_view_column_set_title:
1771  * @tree_column: A #GtkTreeViewColumn.
1772  * @title: The title of the @tree_column.
1773  *
1774  * Sets the title of the @tree_column.  If a custom widget has been set, then
1775  * this value is ignored.
1776  **/
1777 void
1778 gtk_tree_view_column_set_title (GtkTreeViewColumn *tree_column,
1779                                 const gchar       *title)
1780 {
1781   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1782
1783   g_free (tree_column->title);
1784   if (title)
1785     tree_column->title = g_strdup (title);
1786   else
1787     tree_column->title = NULL;
1788
1789   gtk_tree_view_column_update_button (tree_column);
1790   g_object_notify (G_OBJECT (tree_column), "title");
1791 }
1792
1793 /**
1794  * gtk_tree_view_column_get_title:
1795  * @tree_column: A #GtkTreeViewColumn.
1796  *
1797  * Returns the title of the widget.  This value should not be modified.
1798  *
1799  * Return value: the title of the column.
1800  **/
1801 G_CONST_RETURN gchar *
1802 gtk_tree_view_column_get_title (GtkTreeViewColumn *tree_column)
1803 {
1804   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), NULL);
1805
1806   return tree_column->title;
1807 }
1808
1809 /**
1810  * gtk_tree_view_column_set_clickable:
1811  * @tree_column: A #GtkTreeViewColumn.
1812  * @clickable: %TRUE if the header is active.
1813  *
1814  * Sets the header to be active if @active is %TRUE.  When the header is active,
1815  * then it can take keyboard focus, and can be clicked.
1816  **/
1817 void
1818 gtk_tree_view_column_set_clickable (GtkTreeViewColumn *tree_column,
1819                                     gboolean           clickable)
1820 {
1821   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1822
1823   clickable = !! clickable;
1824   if (tree_column->clickable == clickable)
1825     return;
1826
1827   tree_column->clickable = clickable;
1828   gtk_tree_view_column_update_button (tree_column);
1829   g_object_notify (G_OBJECT (tree_column), "clickable");
1830 }
1831
1832 /**
1833  * gtk_tree_view_column_get_clickable:
1834  * @tree_column: a #GtkTreeViewColumn
1835  *
1836  * Returns %TRUE if the user can click on the header for the column.
1837  *
1838  * Return value: %TRUE if user can click the column header.
1839  **/
1840 gboolean
1841 gtk_tree_view_column_get_clickable (GtkTreeViewColumn *tree_column)
1842 {
1843   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE);
1844
1845   return tree_column->clickable;
1846 }
1847
1848 /**
1849  * gtk_tree_view_column_set_widget:
1850  * @tree_column: A #GtkTreeViewColumn.
1851  * @widget: A child #GtkWidget, or %NULL.
1852  *
1853  * Sets the widget in the header to be @widget.  If widget is %NULL, then the
1854  * header button is set with a #GtkLabel set to the title of @tree_column.
1855  **/
1856 void
1857 gtk_tree_view_column_set_widget (GtkTreeViewColumn *tree_column,
1858                                  GtkWidget         *widget)
1859 {
1860   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1861   g_return_if_fail (widget == NULL || GTK_IS_WIDGET (widget));
1862
1863   if (widget)
1864     {
1865       gtk_object_ref (GTK_OBJECT (widget));
1866       gtk_object_sink (GTK_OBJECT (widget));
1867     }
1868
1869   if (tree_column->child)
1870     gtk_object_unref (GTK_OBJECT (tree_column->child));
1871
1872   tree_column->child = widget;
1873   gtk_tree_view_column_update_button (tree_column);
1874   g_object_notify (G_OBJECT (tree_column), "widget");
1875 }
1876
1877 /**
1878  * gtk_tree_view_column_get_widget:
1879  * @tree_column: A #GtkTreeViewColumn.
1880  *
1881  * Returns the #GtkWidget in the button on the column header.  If a custom
1882  * widget has not been set then %NULL is returned.
1883  *
1884  * Return value: The #GtkWidget in the column header, or %NULL
1885  **/
1886 GtkWidget *
1887 gtk_tree_view_column_get_widget (GtkTreeViewColumn *tree_column)
1888 {
1889   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), NULL);
1890
1891   return tree_column->child;
1892 }
1893
1894 /**
1895  * gtk_tree_view_column_set_alignment:
1896  * @tree_column: A #GtkTreeViewColumn.
1897  * @xalign: The alignment, which is between [0.0 and 1.0] inclusive.
1898  *
1899  * Sets the alignment of the title or custom widget inside the column header.
1900  * The alignment determines its location inside the button -- 0.0 for left, 0.5
1901  * for center, 1.0 for right.
1902  **/
1903 void
1904 gtk_tree_view_column_set_alignment (GtkTreeViewColumn *tree_column,
1905                                     gfloat             xalign)
1906 {
1907   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1908
1909   xalign = CLAMP (xalign, 0.0, 1.0);
1910
1911   if (tree_column->xalign == xalign)
1912     return;
1913
1914   tree_column->xalign = xalign;
1915   gtk_tree_view_column_update_button (tree_column);
1916   g_object_notify (G_OBJECT (tree_column), "alignment");
1917 }
1918
1919 /**
1920  * gtk_tree_view_column_get_alignment:
1921  * @tree_column: A #GtkTreeViewColumn.
1922  *
1923  * Returns the current x alignment of @tree_column.  This value can range
1924  * between 0.0 and 1.0.
1925  *
1926  * Return value: The current alignent of @tree_column.
1927  **/
1928 gfloat
1929 gtk_tree_view_column_get_alignment (GtkTreeViewColumn *tree_column)
1930 {
1931   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0.5);
1932
1933   return tree_column->xalign;
1934 }
1935
1936 /**
1937  * gtk_tree_view_column_set_reorderable:
1938  * @tree_column: A #GtkTreeViewColumn
1939  * @reorderable: #TRUE, if the column can be reordered.
1940  *
1941  * If @reorderable is #TRUE, then the column can be reordered by the end user
1942  * dragging the header.
1943  **/
1944 void
1945 gtk_tree_view_column_set_reorderable (GtkTreeViewColumn *tree_column,
1946                                       gboolean           reorderable)
1947 {
1948   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1949
1950   /*  if (reorderable)
1951       gtk_tree_view_column_set_clickable (tree_column, TRUE);*/
1952
1953   if (tree_column->reorderable == (reorderable?TRUE:FALSE))
1954     return;
1955
1956   tree_column->reorderable = (reorderable?TRUE:FALSE);
1957   gtk_tree_view_column_update_button (tree_column);
1958   g_object_notify (G_OBJECT (tree_column), "reorderable");
1959 }
1960
1961 /**
1962  * gtk_tree_view_column_get_reorderable:
1963  * @tree_column: A #GtkTreeViewColumn
1964  *
1965  * Returns #TRUE if the @tree_column can be reordered by the user.
1966  *
1967  * Return value: #TRUE if the @tree_column can be reordered by the user.
1968  **/
1969 gboolean
1970 gtk_tree_view_column_get_reorderable (GtkTreeViewColumn *tree_column)
1971 {
1972   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE);
1973
1974   return tree_column->reorderable;
1975 }
1976
1977
1978 /**
1979  * gtk_tree_view_column_set_sort_column_id:
1980  * @tree_column: a #GtkTreeViewColumn
1981  * @sort_column_id: The @sort_column_id of the model to sort on.
1982  *
1983  * Sets the logical @sort_column_id that this column sorts on when this column
1984  * is selected for sorting.  Doing so makes the column header clickable.
1985  **/
1986 void
1987 gtk_tree_view_column_set_sort_column_id (GtkTreeViewColumn *tree_column,
1988                                          gint               sort_column_id)
1989 {
1990   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
1991   g_return_if_fail (sort_column_id >= 0);
1992
1993   if (tree_column->sort_column_id == sort_column_id)
1994     return;
1995
1996   tree_column->sort_column_id = sort_column_id;
1997
1998   /* Handle unsetting the id */
1999   if (sort_column_id == -1)
2000     {
2001       if (tree_column->sort_clicked_signal)
2002         {
2003           g_signal_handler_disconnect (G_OBJECT (tree_column), tree_column->sort_clicked_signal);
2004           tree_column->sort_clicked_signal = 0;
2005         }
2006
2007       if (tree_column->sort_column_changed_signal)
2008         {
2009           g_signal_handler_disconnect (G_OBJECT (tree_column), tree_column->sort_column_changed_signal);
2010           tree_column->sort_column_changed_signal = 0;
2011         }
2012
2013       gtk_tree_view_column_set_sort_order (tree_column, GTK_SORT_ASCENDING);
2014       gtk_tree_view_column_set_sort_indicator (tree_column, FALSE);
2015       return;
2016     }
2017
2018   gtk_tree_view_column_set_clickable (tree_column, TRUE);
2019
2020   if (! tree_column->sort_clicked_signal)
2021     tree_column->sort_clicked_signal = g_signal_connect (G_OBJECT (tree_column),
2022                                                          "clicked",
2023                                                          G_CALLBACK (gtk_tree_view_column_sort),
2024                                                          NULL);
2025
2026   gtk_tree_view_column_setup_sort_column_id_callback (tree_column);
2027 }
2028
2029 /**
2030  * gtk_tree_view_column_get_sort_column_id:
2031  * @tree_column: a #GtkTreeViewColumn
2032  *
2033  * Gets the logical @sort_column_id that the model sorts on when this
2034  * column is selected for sorting. See gtk_tree_view_column_set_sort_column_id().
2035  *
2036  * Return value: the current @sort_column_id for this column, or -1 if
2037  *               this column can't be used for sorting.
2038  **/
2039 gint
2040 gtk_tree_view_column_get_sort_column_id (GtkTreeViewColumn *tree_column)
2041 {
2042   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0);
2043
2044   return tree_column->sort_column_id;
2045 }
2046
2047 /**
2048  * gtk_tree_view_column_set_sort_indicator:
2049  * @tree_column: a #GtkTreeViewColumn
2050  * @setting: %TRUE to display an indicator that the column is sorted
2051  *
2052  * Call this function with a @setting of %TRUE to display an arrow in
2053  * the header button indicating the column is sorted. Call
2054  * gtk_tree_view_column_set_sort_order() to change the direction of
2055  * the arrow.
2056  *
2057  **/
2058 void
2059 gtk_tree_view_column_set_sort_indicator (GtkTreeViewColumn     *tree_column,
2060                                          gboolean               setting)
2061 {
2062   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
2063
2064   setting = setting != FALSE;
2065
2066   if (setting == tree_column->show_sort_indicator)
2067     return;
2068
2069   tree_column->show_sort_indicator = setting;
2070   gtk_tree_view_column_update_button (tree_column);
2071   g_object_notify (G_OBJECT (tree_column), "sort_indicator");
2072 }
2073
2074 /**
2075  * gtk_tree_view_column_get_sort_indicator:
2076  * @tree_column: a #GtkTreeViewColumn
2077  *
2078  * Gets the value set by gtk_tree_view_column_set_sort_indicator().
2079  *
2080  * Return value: whether the sort indicator arrow is displayed
2081  **/
2082 gboolean
2083 gtk_tree_view_column_get_sort_indicator  (GtkTreeViewColumn     *tree_column)
2084 {
2085   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE);
2086
2087   return tree_column->show_sort_indicator;
2088 }
2089
2090 /**
2091  * gtk_tree_view_column_set_sort_order:
2092  * @tree_column: a #GtkTreeViewColumn
2093  * @order: sort order that the sort indicator should indicate
2094  *
2095  * Changes the appearance of the sort indicator.
2096  *
2097  * This <emphasis>does not</emphasis> actually sort the model.  Use
2098  * gtk_tree_view_column_set_sort_column_id() if you want automatic sorting
2099  * support.  This function is primarily for custom sorting behavior, and should
2100  * be used in conjunction with gtk_tree_sortable_set_sort_column() to do
2101  * that. For custom models, the mechanism will vary.
2102  *
2103  * The sort indicator changes direction to indicate normal sort or reverse sort.
2104  * Note that you must have the sort indicator enabled to see anything when
2105  * calling this function; see gtk_tree_view_column_set_sort_indicator().
2106  **/
2107 void
2108 gtk_tree_view_column_set_sort_order      (GtkTreeViewColumn     *tree_column,
2109                                           GtkSortType            order)
2110 {
2111   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
2112
2113   if (order == tree_column->sort_order)
2114     return;
2115
2116   tree_column->sort_order = order;
2117   gtk_tree_view_column_update_button (tree_column);
2118   g_object_notify (G_OBJECT (tree_column), "sort_order");
2119 }
2120
2121 /**
2122  * gtk_tree_view_column_get_sort_order:
2123  * @tree_column: a #GtkTreeViewColumn
2124  *
2125  * Gets the value set by gtk_tree_view_column_set_sort_order().
2126  *
2127  * Return value: the sort order the sort indicator is indicating
2128  **/
2129 GtkSortType
2130 gtk_tree_view_column_get_sort_order      (GtkTreeViewColumn     *tree_column)
2131 {
2132   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), 0);
2133
2134   return tree_column->sort_order;
2135 }
2136
2137 /**
2138  * gtk_tree_view_column_cell_set_cell_data:
2139  * @tree_column: A #GtkTreeViewColumn.
2140  * @tree_model: The #GtkTreeModel to to get the cell renderers attributes from.
2141  * @iter: The #GtkTreeIter to to get the cell renderer's attributes from.
2142  * @is_expander: %TRUE, if the row has children
2143  * @is_expanded: %TRUE, if the row has visible children
2144  *
2145  * Sets the cell renderer based on the @tree_model and @tree_node.  That is, for
2146  * every attribute mapping in @tree_column, it will get a value from the set
2147  * column on the @tree_node, and use that value to set the attribute on the cell
2148  * renderer.  This is used primarily by the #GtkTreeView.
2149  **/
2150 void
2151 gtk_tree_view_column_cell_set_cell_data (GtkTreeViewColumn *tree_column,
2152                                          GtkTreeModel      *tree_model,
2153                                          GtkTreeIter       *iter,
2154                                          gboolean           is_expander,
2155                                          gboolean           is_expanded)
2156 {
2157   GSList *list;
2158   GValue value = { 0, };
2159   GList *cell_list;
2160
2161   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
2162   g_return_if_fail (tree_column->cell_list != NULL);
2163
2164   if (tree_model == NULL)
2165     return;
2166
2167   for (cell_list = tree_column->cell_list; cell_list; cell_list = cell_list->next)
2168     {
2169       GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) cell_list->data;
2170       GObject *cell = (GObject *) info->cell;
2171
2172       list = info->attributes;
2173
2174       g_object_freeze_notify (cell);
2175       g_object_set (cell, "is_expander", is_expander, "is_expanded", is_expanded, NULL);
2176
2177       while (list && list->next)
2178         {
2179           gtk_tree_model_get_value (tree_model, iter,
2180                                     GPOINTER_TO_INT (list->next->data),
2181                                     &value);
2182           g_object_set_property (cell, (gchar *) list->data, &value);
2183           g_value_unset (&value);
2184           list = list->next->next;
2185         }
2186
2187       if (info->func)
2188         (* info->func) (tree_column, info->cell, tree_model, iter, info->func_data);
2189       g_object_thaw_notify (G_OBJECT (info->cell));
2190     }
2191
2192 }
2193
2194 /**
2195  * gtk_tree_view_column_cell_get_size:
2196  * @tree_column: A #GtkTreeViewColumn.
2197  * @cell_area: The area a the column will be allocated, or %NULL
2198  * @x_offset: location to return x offset of cell relative to @cell_area, or %NULL
2199  * @y_offset: location to return y offset of cell relative to @cell_area, or %NULL
2200  * @width: location to return width needed to render a cell, or %NULL
2201  * @height: location to return height needed to render a cell, or %NULL
2202  *
2203  * Obtains the width and height needed to render the column.  This is used
2204  * primarily by the #GtkTreeView.
2205  **/
2206 void
2207 gtk_tree_view_column_cell_get_size (GtkTreeViewColumn *tree_column,
2208                                     GdkRectangle      *cell_area,
2209                                     gint              *x_offset,
2210                                     gint              *y_offset,
2211                                     gint              *width,
2212                                     gint              *height)
2213 {
2214   GList *list;
2215   gboolean first_cell = TRUE;
2216   gint focus_line_width;
2217
2218   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
2219
2220   if (height)
2221     * height = 0;
2222   if (width)
2223     * width = 0;
2224
2225   gtk_widget_style_get (tree_column->tree_view, "focus-line-width", &focus_line_width, NULL);
2226
2227   for (list = tree_column->cell_list; list; list = list->next)
2228     {
2229       GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data;
2230       gboolean visible;
2231       gint new_height = 0;
2232       gint new_width = 0;
2233       g_object_get (info->cell, "visible", &visible, NULL);
2234
2235       if (visible == FALSE)
2236         continue;
2237
2238       if (first_cell == FALSE && *width)
2239         *width += tree_column->spacing;
2240
2241       gtk_cell_renderer_get_size (info->cell,
2242                                   tree_column->tree_view,
2243                                   cell_area,
2244                                   x_offset,
2245                                   y_offset,
2246                                   &new_width,
2247                                   &new_height);
2248
2249       if (height)
2250         * height = MAX (*height, new_height + focus_line_width * 2);
2251       info->requested_width = MAX (info->requested_width, new_width + focus_line_width * 2);
2252       if (width)
2253         * width += info->requested_width;
2254       first_cell = FALSE;
2255     }
2256 }
2257
2258 /* both rendering and rendering focus are somewhat complicated, and a bit of
2259  * code.  Rather than duplicate them, we put them together to keep the code in
2260  * one place
2261  */
2262 enum {
2263   CELL_ACTION_RENDER,
2264   CELL_ACTION_FOCUS,
2265   CELL_ACTION_EVENT
2266 };
2267
2268 static gboolean
2269 gtk_tree_view_column_cell_process_action (GtkTreeViewColumn  *tree_column,
2270                                           GdkWindow          *window,
2271                                           GdkRectangle       *background_area,
2272                                           GdkRectangle       *cell_area,
2273                                           guint               flags,
2274                                           gint                action,
2275                                           GdkRectangle       *expose_area,     /* RENDER */
2276                                           GdkRectangle       *focus_rectangle, /* FOCUS  */
2277                                           GtkCellEditable   **editable_widget, /* EVENT  */
2278                                           GdkEvent           *event,           /* EVENT  */
2279                                           gchar              *path_string)     /* EVENT  */
2280 {
2281   GList *list;
2282   GdkRectangle real_cell_area;
2283   gint expand_cell_count = 0;
2284   gint full_requested_width = 0;
2285   gint extra_space;
2286   gint min_x, min_y, max_x, max_y;
2287   gint focus_line_width;
2288
2289   min_x = G_MAXINT;
2290   min_y = G_MAXINT;
2291   max_x = 0;
2292   max_y = 0;
2293
2294   real_cell_area = *cell_area;
2295
2296   gtk_widget_style_get (GTK_WIDGET (tree_column->tree_view),
2297                         "focus-line-width", &focus_line_width,
2298                         NULL);
2299   /* Find out how my extra space we have to allocate */
2300   for (list = tree_column->cell_list; list; list = list->next)
2301     {
2302       GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data;
2303
2304       if (! info->cell->visible)
2305         continue;
2306
2307       if (info->expand == TRUE)
2308         expand_cell_count ++;
2309       full_requested_width += info->requested_width;
2310     }
2311
2312   extra_space = cell_area->width - full_requested_width;
2313   if (extra_space < 0)
2314     extra_space = 0;
2315
2316   for (list = tree_column->cell_list; list; list = list->next)
2317     {
2318       GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data;
2319
2320       if (info->pack == GTK_PACK_END)
2321         continue;
2322
2323       if (! info->cell->visible)
2324         continue;
2325
2326       real_cell_area.width = info->requested_width +
2327         (info->expand?extra_space:0);
2328       real_cell_area.x += focus_line_width;
2329       if (action == CELL_ACTION_RENDER)
2330         {
2331           gtk_cell_renderer_render (info->cell,
2332                                     window,
2333                                     tree_column->tree_view,
2334                                     background_area,
2335                                     &real_cell_area,
2336                                     expose_area,
2337                                     flags);
2338         }
2339       else if (action == CELL_ACTION_FOCUS)
2340         {
2341           gint x_offset, y_offset, width, height;
2342
2343           gtk_cell_renderer_get_size (info->cell,
2344                                       tree_column->tree_view,
2345                                       &real_cell_area,
2346                                       &x_offset, &y_offset,
2347                                       &width, &height);
2348
2349           if (min_x > (real_cell_area.x + x_offset))
2350             min_x = real_cell_area.x + x_offset;
2351           if (max_x < real_cell_area.x + x_offset + width)
2352             max_x = real_cell_area.x + x_offset + width;
2353           if (min_y > (real_cell_area.y + y_offset))
2354             min_y = real_cell_area.y + y_offset;
2355           if (max_y < real_cell_area.y + y_offset + height)
2356             max_y = real_cell_area.y + y_offset + height;
2357         }
2358       else if (action == CELL_ACTION_EVENT)
2359         {
2360           gboolean try_event = FALSE;
2361
2362           if (event)
2363             {
2364               if (real_cell_area.x <= ((GdkEventButton *)event)->x &&
2365                   real_cell_area.x + real_cell_area.width > ((GdkEventButton *)event)->x)
2366                 try_event = TRUE;
2367             }
2368           else /* if (info->has_focus)*/
2369             /* FIXME 73676: allow focusing individual cells */
2370             {
2371               try_event = TRUE;
2372             }
2373           if (try_event)
2374             {
2375               gboolean visible, mode;
2376
2377               g_object_get (G_OBJECT (info->cell),
2378                             "visible", &visible,
2379                             "mode", &mode,
2380                             NULL);
2381               if (visible && mode == GTK_CELL_RENDERER_MODE_ACTIVATABLE)
2382                 {
2383                   if (gtk_cell_renderer_activate (info->cell,
2384                                                   event,
2385                                                   tree_column->tree_view,
2386                                                   path_string,
2387                                                   background_area,
2388                                                   cell_area,
2389                                                   flags))
2390                     return TRUE;
2391                 }
2392               else if (visible && mode == GTK_CELL_RENDERER_MODE_EDITABLE)
2393                 {
2394                   *editable_widget =
2395                     gtk_cell_renderer_start_editing (info->cell,
2396                                                      event,
2397                                                      tree_column->tree_view,
2398                                                      path_string,
2399                                                      background_area,
2400                                                      cell_area,
2401                                                      flags);
2402
2403                   if (*editable_widget != NULL)
2404                     {
2405                       g_return_val_if_fail (GTK_IS_CELL_EDITABLE (*editable_widget), FALSE);
2406
2407                       return TRUE;
2408                     }
2409                 }
2410             }
2411         }
2412       real_cell_area.x += (info->requested_width + tree_column->spacing);
2413     }
2414   for (list = g_list_last (tree_column->cell_list); list; list = list->prev)
2415     {
2416       GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data;
2417
2418       if (info->pack == GTK_PACK_START)
2419         continue;
2420
2421       if (! info->cell->visible)
2422         continue;
2423
2424       real_cell_area.width = info->requested_width +
2425         (info->expand?extra_space:0);
2426       if (action == CELL_ACTION_RENDER)
2427         {
2428           gtk_cell_renderer_render (info->cell,
2429                                     window,
2430                                     tree_column->tree_view,
2431                                     background_area,
2432                                     &real_cell_area,
2433                                     expose_area,
2434                                     flags);
2435         }
2436       else if (action == CELL_ACTION_FOCUS)
2437         {
2438           gint x_offset, y_offset, width, height;
2439
2440           gtk_cell_renderer_get_size (info->cell,
2441                                       tree_column->tree_view,
2442                                       &real_cell_area,
2443                                       &x_offset, &y_offset,
2444                                       &width, &height);
2445
2446           if (min_x > (real_cell_area.x + x_offset))
2447             min_x = real_cell_area.x + x_offset;
2448           if (max_x < real_cell_area.x + x_offset + width)
2449             max_x = real_cell_area.x + x_offset + width;
2450           if (min_y > (real_cell_area.y + y_offset))
2451             min_y = real_cell_area.y + y_offset;
2452           if (max_y < real_cell_area.y + y_offset + height)
2453             max_y = real_cell_area.y + y_offset + height;
2454         }
2455       real_cell_area.x += (info->requested_width + tree_column->spacing);
2456     }
2457
2458   if (action == CELL_ACTION_FOCUS)
2459     {
2460       if (min_x >= max_x || min_y >= max_y)
2461         {
2462           *focus_rectangle = *cell_area;
2463           /* don't change the focus_rectangle, just draw it nicely inside
2464            * the cell area */
2465         }
2466       else
2467         {
2468           focus_rectangle->x = min_x - focus_line_width;
2469           focus_rectangle->y = min_y - focus_line_width;
2470           focus_rectangle->width = (max_x - min_x) + 2 * focus_line_width;
2471           focus_rectangle->height = (max_y - min_y) + 2 * focus_line_width;
2472         }
2473     }
2474
2475   return FALSE;
2476 }
2477
2478 /**
2479  * gtk_tree_view_column_cell_render:
2480  * @tree_column: A #GtkTreeViewColumn.
2481  * @window: a #GdkDrawable to draw to
2482  * @background_area: entire cell area (including tree expanders and maybe padding on the sides)
2483  * @cell_area: area normally rendered by a cell renderer
2484  * @expose_area: area that actually needs updating
2485  * @flags: flags that affect rendering
2486  *
2487  * Renders the cell contained by #tree_column. This is used primarily by the
2488  * #GtkTreeView.
2489  **/
2490 void
2491 _gtk_tree_view_column_cell_render (GtkTreeViewColumn *tree_column,
2492                                    GdkWindow         *window,
2493                                    GdkRectangle      *background_area,
2494                                    GdkRectangle      *cell_area,
2495                                    GdkRectangle      *expose_area,
2496                                    guint              flags)
2497 {
2498   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
2499   g_return_if_fail (background_area != NULL);
2500   g_return_if_fail (cell_area != NULL);
2501   g_return_if_fail (expose_area != NULL);
2502
2503   gtk_tree_view_column_cell_process_action (tree_column,
2504                                             window,
2505                                             background_area,
2506                                             cell_area,
2507                                             flags,
2508                                             CELL_ACTION_RENDER,
2509                                             expose_area,
2510                                             NULL, NULL, NULL, NULL);
2511 }
2512
2513 gboolean
2514 _gtk_tree_view_column_cell_event (GtkTreeViewColumn  *tree_column,
2515                                   GtkCellEditable   **editable_widget,
2516                                   GdkEvent           *event,
2517                                   gchar              *path_string,
2518                                   GdkRectangle       *background_area,
2519                                   GdkRectangle       *cell_area,
2520                                   guint               flags)
2521 {
2522   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column), FALSE);
2523
2524   return gtk_tree_view_column_cell_process_action (tree_column,
2525                                                    NULL,
2526                                                    background_area,
2527                                                    cell_area,
2528                                                    flags,
2529                                                    CELL_ACTION_EVENT,
2530                                                    NULL, NULL,
2531                                                    editable_widget,
2532                                                    event,
2533                                                    path_string);
2534 }
2535
2536
2537 gboolean
2538 _gtk_tree_view_column_cell_focus (GtkTreeViewColumn *tree_column,
2539                                   gint               direction)
2540 {
2541   /* FIXME 73676: allow focusing individual cells */
2542   if (GTK_TREE_VIEW (tree_column->tree_view)->priv->focus_column == tree_column)
2543     return FALSE;
2544   return TRUE;
2545 }
2546
2547 void
2548 _gtk_tree_view_column_cell_draw_focus (GtkTreeViewColumn       *tree_column,
2549                                        GdkWindow               *window,
2550                                        GdkRectangle            *background_area,
2551                                        GdkRectangle            *cell_area,
2552                                        GdkRectangle            *expose_area,
2553                                        guint                    flags)
2554 {
2555   gint focus_line_width;
2556   GtkStateType cell_state;
2557
2558   g_return_if_fail (GTK_IS_TREE_VIEW_COLUMN (tree_column));
2559   gtk_widget_style_get (GTK_WIDGET (tree_column->tree_view),
2560                         "focus-line-width", &focus_line_width, NULL);
2561   if (tree_column->editable_widget)
2562     {
2563       /* This function is only called on the editable row when editing.
2564        */
2565 #if 0
2566       gtk_paint_focus (tree_column->tree_view->style,
2567                        window,
2568                        GTK_WIDGET_STATE (tree_column->tree_view),
2569                        NULL,
2570                        tree_column->tree_view,
2571                        "treeview",
2572                        cell_area->x - focus_line_width,
2573                        cell_area->y - focus_line_width,
2574                        cell_area->width + 2 * focus_line_width,
2575                        cell_area->height + 2 * focus_line_width);
2576 #endif
2577     }
2578   else
2579     {
2580       GdkRectangle focus_rectangle;
2581       gtk_tree_view_column_cell_process_action (tree_column,
2582                                                 window,
2583                                                 background_area,
2584                                                 cell_area,
2585                                                 flags,
2586                                                 CELL_ACTION_FOCUS,
2587                                                 expose_area,
2588                                                 &focus_rectangle,
2589                                                 NULL, NULL, NULL);
2590
2591       cell_state = flags & GTK_CELL_RENDERER_SELECTED ? GTK_STATE_SELECTED :
2592               (flags & GTK_CELL_RENDERER_PRELIT ? GTK_STATE_PRELIGHT :
2593               (flags & GTK_CELL_RENDERER_INSENSITIVE ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL));
2594       gtk_paint_focus (tree_column->tree_view->style,
2595                        window,
2596                        cell_state,
2597                        NULL,
2598                        tree_column->tree_view,
2599                        "treeview",
2600                        focus_rectangle.x,
2601                        focus_rectangle.y,
2602                        focus_rectangle.width,
2603                        focus_rectangle.height);
2604     }
2605 }
2606
2607 /**
2608  * gtk_tree_view_column_cell_is_visible:
2609  * @tree_column: A #GtkTreeViewColumn
2610  *
2611  * Returns #TRUE if any of the cells packed into the @tree_column are visible.
2612  * For this to be meaningful, you must first initialize the cells with
2613  * gtk_tree_view_column_cell_set_cell_data()
2614  *
2615  * Return value: #TRUE, if any of the cells packed into the @tree_column are currently visible
2616  **/
2617 gboolean
2618 gtk_tree_view_column_cell_is_visible (GtkTreeViewColumn *tree_column)
2619 {
2620   GList *list;
2621
2622   for (list = tree_column->cell_list; list; list = list->next)
2623     {
2624       GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data;
2625
2626       if (info->cell->visible)
2627         return TRUE;
2628     }
2629
2630   return FALSE;
2631 }
2632
2633 void
2634 _gtk_tree_view_column_cell_set_dirty (GtkTreeViewColumn *tree_column,
2635                                       gboolean           install_handler)
2636 {
2637   GList *list;
2638
2639   for (list = tree_column->cell_list; list; list = list->next)
2640     {
2641       GtkTreeViewColumnCellInfo *info = (GtkTreeViewColumnCellInfo *) list->data;
2642
2643       info->requested_width = 0;
2644     }
2645   tree_column->dirty = TRUE;
2646   tree_column->resized_width = MAX (tree_column->requested_width, tree_column->button_request);
2647   tree_column->requested_width = -1;
2648   tree_column->width = 0;
2649
2650   if (tree_column->tree_view &&
2651       GTK_WIDGET_REALIZED (tree_column->tree_view))
2652     {
2653       if (install_handler)
2654         _gtk_tree_view_install_mark_rows_col_dirty (GTK_TREE_VIEW (tree_column->tree_view));
2655       else
2656         GTK_TREE_VIEW (tree_column->tree_view)->priv->mark_rows_col_dirty = TRUE;
2657       gtk_widget_queue_resize (tree_column->tree_view);
2658     }
2659 }
2660
2661 void
2662 _gtk_tree_view_column_start_editing (GtkTreeViewColumn *tree_column,
2663                                      GtkCellEditable   *cell_editable)
2664 {
2665   g_return_if_fail (tree_column->editable_widget == NULL);
2666
2667   tree_column->editable_widget = cell_editable;
2668 }
2669
2670 void
2671 _gtk_tree_view_column_stop_editing (GtkTreeViewColumn *tree_column)
2672 {
2673   g_return_if_fail (tree_column->editable_widget != NULL);
2674
2675   tree_column->editable_widget = NULL;
2676 }