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

   1 /* gtkellview.c
   2  * Copyright (C) 2002, 2003  Kristian Rietveld <kris@gtk.org>
   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 "config.h"
  21 #include <string.h>
  22 #include "gtkcellview.h"
  23 #include "gtkcelllayout.h"
  24 #include "gtkcellareabox.h"
  25 #include "gtkintl.h"
  26 #include "gtkcellrenderertext.h"
  27 #include "gtkcellrendererpixbuf.h"
  28 #include "gtkprivate.h"
  29 #include "gtksizerequest.h"
  30 #include <gobject/gmarshal.h>
  31 #include "gtkbuildable.h"
  32
  33
  34 /**
  35  * SECTION:gtkcellview
  36  * @Short_description: A widget displaying a single row of a GtkTreeModel
  37  * @Title: GtkCellView
  38  *
  39  * A #GtkCellView displays a single row of a #GtkTreeModel, using
  40  * cell renderers just like #GtkTreeView. #GtkCellView doesn't support
  41  * some of the more complex features of #GtkTreeView, like cell editing
  42  * and drag and drop.
  43  */
  44
  45 static GObject    *gtk_cell_view_constructor              (GType                  type,
  46                                                            guint                  n_construct_properties,
  47                                                            GObjectConstructParam *construct_properties);
  48 static void        gtk_cell_view_get_property             (GObject           *object,
  49                                                            guint             param_id,
  50                                                            GValue           *value,
  51                                                            GParamSpec       *pspec);
  52 static void        gtk_cell_view_set_property             (GObject          *object,
  53                                                            guint             param_id,
  54                                                            const GValue     *value,
  55                                                            GParamSpec       *pspec);
  56 static void        gtk_cell_view_finalize                 (GObject          *object);
  57 static void        gtk_cell_view_dispose                  (GObject          *object);
  58 static void        gtk_cell_view_size_allocate            (GtkWidget        *widget,
  59                                                            GtkAllocation    *allocation);
  60 static gboolean    gtk_cell_view_draw                     (GtkWidget        *widget,
  61                                                            cairo_t          *cr);
  62 static void        gtk_cell_view_set_value                (GtkCellView     *cell_view,
  63                                                            GtkCellRenderer *renderer,
  64                                                            gchar           *property,
  65                                                            GValue          *value);
  66 static void        gtk_cell_view_set_cell_data            (GtkCellView      *cell_view);
  67
  68 /* celllayout */
  69 static void        gtk_cell_view_cell_layout_init         (GtkCellLayoutIface *iface);
  70 static GtkCellArea *gtk_cell_view_cell_layout_get_area         (GtkCellLayout         *layout);
  71
  72
  73 /* buildable */
  74 static void       gtk_cell_view_buildable_init                 (GtkBuildableIface     *iface);
  75 static gboolean   gtk_cell_view_buildable_custom_tag_start     (GtkBuildable          *buildable,
  76                                                                 GtkBuilder            *builder,
  77                                                                 GObject               *child,
  78                                                                 const gchar           *tagname,
  79                                                                 GMarkupParser         *parser,
  80                                                                 gpointer              *data);
  81 static void       gtk_cell_view_buildable_custom_tag_end       (GtkBuildable          *buildable,
  82                                                                 GtkBuilder            *builder,
  83                                                                 GObject               *child,
  84                                                                 const gchar           *tagname,
  85                                                                 gpointer              *data);
  86
  87 static void       gtk_cell_view_get_preferred_width            (GtkWidget             *widget,
  88                                                                 gint                  *minimum_size,
  89                                                                 gint                  *natural_size);
  90 static void       gtk_cell_view_get_preferred_height           (GtkWidget             *widget,
  91                                                                 gint                  *minimum_size,
  92                                                                 gint                  *natural_size);
  93 static void       gtk_cell_view_get_preferred_width_for_height (GtkWidget             *widget,
  94                                                                 gint                   avail_size,
  95                                                                 gint                  *minimum_size,
  96                                                                 gint                  *natural_size);
  97 static void       gtk_cell_view_get_preferred_height_for_width (GtkWidget             *widget,
  98                                                                 gint                   avail_size,
  99                                                                 gint                  *minimum_size,
 100                                                                 gint                  *natural_size);
 101
 102 static void       context_size_changed_cb                      (GtkCellAreaContext   *context,
 103                                                                 GParamSpec           *pspec,
 104                                                                 GtkWidget            *view);
 105 static void       row_changed_cb                               (GtkTreeModel         *model,
 106                                                                 GtkTreePath          *path,
 107                                                                 GtkTreeIter          *iter,
 108                                                                 GtkCellView          *view);
 109
 110
 111 struct _GtkCellViewPrivate
 112 {
 113   GtkTreeModel        *model;
 114   GtkTreeRowReference *displayed_row;
 115
 116   GtkCellArea         *area;
 117   GtkCellAreaContext  *context;
 118
 119   GdkRGBA              background;
 120   gboolean             background_set;
 121
 122   gulong               size_changed_id;
 123   gulong               row_changed_id;
 124
 125   guint32              draw_sensitive : 1;
 126   guint32              fit_model      : 1;
 127 };
 128
 129 static GtkBuildableIface *parent_buildable_iface;
 130
 131 enum
 132 {
 133   PROP_0,
 134   PROP_BACKGROUND,
 135   PROP_BACKGROUND_GDK,
 136   PROP_BACKGROUND_RGBA,
 137   PROP_BACKGROUND_SET,
 138   PROP_MODEL,
 139   PROP_CELL_AREA,
 140   PROP_CELL_AREA_CONTEXT,
 141   PROP_DRAW_SENSITIVE,
 142   PROP_FIT_MODEL
 143 };
 144
 145 G_DEFINE_TYPE_WITH_CODE (GtkCellView, gtk_cell_view, GTK_TYPE_WIDGET,
 146                          G_IMPLEMENT_INTERFACE (GTK_TYPE_CELL_LAYOUT,
 147                                                 gtk_cell_view_cell_layout_init)
 148                          G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
 149                                                 gtk_cell_view_buildable_init))
 150
 151 static void
 152 gtk_cell_view_class_init (GtkCellViewClass *klass)
 153 {
 154   GObjectClass   *gobject_class = G_OBJECT_CLASS (klass);
 155   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 156
 157   gobject_class->constructor = gtk_cell_view_constructor;
 158   gobject_class->get_property = gtk_cell_view_get_property;
 159   gobject_class->set_property = gtk_cell_view_set_property;
 160   gobject_class->finalize = gtk_cell_view_finalize;
 161   gobject_class->dispose = gtk_cell_view_dispose;
 162
 163   widget_class->draw                           = gtk_cell_view_draw;
 164   widget_class->size_allocate                  = gtk_cell_view_size_allocate;
 165   widget_class->get_preferred_width            = gtk_cell_view_get_preferred_width;
 166   widget_class->get_preferred_height           = gtk_cell_view_get_preferred_height;
 167   widget_class->get_preferred_width_for_height = gtk_cell_view_get_preferred_width_for_height;
 168   widget_class->get_preferred_height_for_width = gtk_cell_view_get_preferred_height_for_width;
 169
 170   /* properties */
 171   g_object_class_install_property (gobject_class,
 172                                    PROP_BACKGROUND,
 173                                    g_param_spec_string ("background",
 174                                                         P_("Background color name"),
 175                                                         P_("Background color as a string"),
 176                                                         NULL,
 177                                                         GTK_PARAM_WRITABLE));
 178   g_object_class_install_property (gobject_class,
 179                                    PROP_BACKGROUND_GDK,
 180                                    g_param_spec_boxed ("background-gdk",
 181                                                       P_("Background color"),
 182                                                       P_("Background color as a GdkColor"),
 183                                                       GDK_TYPE_COLOR,
 184                                                       GTK_PARAM_READWRITE));
 185   /**
 186    * GtkCellView:background-rgba
 187    *
 188    * The background color as a #GdkRGBA
 189    *
 190    * Since: 3.0
 191    */
 192   g_object_class_install_property (gobject_class,
 193                                    PROP_BACKGROUND_RGBA,
 194                                    g_param_spec_boxed ("background-rgba",
 195                                                       P_("Background RGBA color"),
 196                                                       P_("Background color as a GdkRGBA"),
 197                                                       GDK_TYPE_RGBA,
 198                                                       GTK_PARAM_READWRITE));
 199
 200   /**
 201    * GtkCellView:model
 202    *
 203    * The model for cell view
 204    *
 205    * since 2.10
 206    */
 207   g_object_class_install_property (gobject_class,
 208                                    PROP_MODEL,
 209                                    g_param_spec_object  ("model",
 210                                                          P_("CellView model"),
 211                                                          P_("The model for cell view"),
 212                                                          GTK_TYPE_TREE_MODEL,
 213                                                          GTK_PARAM_READWRITE));
 214
 215
 216   /**
 217    * GtkCellView:cell-area
 218    *
 219    * The #GtkCellArea rendering cells
 220    *
 221    * since 3.0
 222    */
 223    g_object_class_install_property (gobject_class,
 224                                     PROP_CELL_AREA,
 225                                     g_param_spec_object ("cell-area",
 226                                                          P_("Cell Area"),
 227                                                          P_("The GtkCellArea used to layout cells"),
 228                                                          GTK_TYPE_CELL_AREA,
 229                                                          GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
 230
 231   /**
 232    * GtkCellView:cell-area-context
 233    *
 234    * The #GtkCellAreaContext used to compute the geometry of the cell view.
 235    *
 236    * since 3.0
 237    */
 238    g_object_class_install_property (gobject_class,
 239                                     PROP_CELL_AREA_CONTEXT,
 240                                     g_param_spec_object ("cell-area-context",
 241                                                          P_("Cell Area Context"),
 242                                                          P_("The GtkCellAreaContext used to "
 243                                                             "compute the geometry of the cell view"),
 244                                                          GTK_TYPE_CELL_AREA_CONTEXT,
 245                                                          GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
 246
 247   /**
 248    * GtkCellView:draw-sensitive
 249    *
 250    * Whether all cells should be draw as sensitive for this view regardless
 251    * of the actual cell properties (used to make menus with submenus appear
 252    * sensitive when the items in submenus might be insensitive).
 253    *
 254    * since 3.0
 255    */
 256    g_object_class_install_property (gobject_class,
 257                                     PROP_DRAW_SENSITIVE,
 258                                     g_param_spec_boolean ("draw-sensitive",
 259                                                           P_("Draw Sensitive"),
 260                                                           P_("Whether to force cells to be drawn in a "
 261                                                              "sensitive state"),
 262                                                           FALSE,
 263                                                           GTK_PARAM_READWRITE));
 264
 265   /**
 266    * GtkCellView:fit-model
 267    *
 268    * Whether the view should request enough space to always fit
 269    * the size of every row in the model (used by the combo box to
 270    * ensure the combo box size doesnt change when different items
 271    * are selected).
 272    *
 273    * since 3.0
 274    */
 275    g_object_class_install_property (gobject_class,
 276                                     PROP_FIT_MODEL,
 277                                     g_param_spec_boolean ("fit-model",
 278                                                           P_("Fit Model"),
 279                                                           P_("Whether to request enough space for "
 280                                                              "every row in the model"),
 281                                                           FALSE,
 282                                                           GTK_PARAM_READWRITE));
 283
 284
 285 #define ADD_SET_PROP(propname, propval, nick, blurb) g_object_class_install_property (gobject_class, propval, g_param_spec_boolean (propname, nick, blurb, FALSE, GTK_PARAM_READWRITE))
 286
 287   ADD_SET_PROP ("background-set", PROP_BACKGROUND_SET,
 288                 P_("Background set"),
 289                 P_("Whether this tag affects the background color"));
 290
 291   g_type_class_add_private (gobject_class, sizeof (GtkCellViewPrivate));
 292 }
 293
 294 static void
 295 gtk_cell_view_buildable_init (GtkBuildableIface *iface)
 296 {
 297   parent_buildable_iface = g_type_interface_peek_parent (iface);
 298   iface->add_child = _gtk_cell_layout_buildable_add_child;
 299   iface->custom_tag_start = gtk_cell_view_buildable_custom_tag_start;
 300   iface->custom_tag_end = gtk_cell_view_buildable_custom_tag_end;
 301 }
 302
 303 static void
 304 gtk_cell_view_cell_layout_init (GtkCellLayoutIface *iface)
 305 {
 306   iface->get_area = gtk_cell_view_cell_layout_get_area;
 307 }
 308
 309 static GObject *
 310 gtk_cell_view_constructor (GType                  type,
 311                            guint                  n_construct_properties,
 312                            GObjectConstructParam *construct_properties)
 313 {
 314   GObject            *object;
 315   GtkCellView        *view;
 316   GtkCellViewPrivate *priv;
 317
 318   object = G_OBJECT_CLASS (gtk_cell_view_parent_class)->constructor
 319     (type, n_construct_properties, construct_properties);
 320
 321   view = GTK_CELL_VIEW (object);
 322   priv = view->priv;
 323
 324   if (!priv->area)
 325     {
 326       GtkCellArea *area = gtk_cell_area_box_new ();
 327
 328       priv->area = g_object_ref_sink (area);
 329     }
 330
 331   if (!priv->context)
 332     priv->context = gtk_cell_area_create_context (priv->area);
 333
 334   priv->size_changed_id =
 335     g_signal_connect (priv->context, "notify",
 336                       G_CALLBACK (context_size_changed_cb), view);
 337
 338   return object;
 339 }
 340
 341 static void
 342 gtk_cell_view_get_property (GObject    *object,
 343                             guint       param_id,
 344                             GValue     *value,
 345                             GParamSpec *pspec)
 346 {
 347   GtkCellView *view = GTK_CELL_VIEW (object);
 348
 349   switch (param_id)
 350     {
 351     case PROP_BACKGROUND_GDK:
 352       {
 353         GdkColor color;
 354
 355         color.red = (guint) (view->priv->background.red * 65535);
 356         color.green = (guint) (view->priv->background.green * 65535);
 357         color.blue = (guint) (view->priv->background.blue * 65535);
 358         color.pixel = 0;
 359
 360         g_value_set_boxed (value, &color);
 361       }
 362       break;
 363     case PROP_BACKGROUND_RGBA:
 364       g_value_set_boxed (value, &view->priv->background);
 365       break;
 366     case PROP_BACKGROUND_SET:
 367       g_value_set_boolean (value, view->priv->background_set);
 368       break;
 369     case PROP_MODEL:
 370       g_value_set_object (value, view->priv->model);
 371       break;
 372     case PROP_CELL_AREA:
 373       g_value_set_object (value, view->priv->area);
 374       break;
 375     case PROP_CELL_AREA_CONTEXT:
 376       g_value_set_object (value, view->priv->context);
 377       break;
 378     case PROP_DRAW_SENSITIVE:
 379       g_value_set_boolean (value, view->priv->draw_sensitive);
 380       break;
 381     case PROP_FIT_MODEL:
 382       g_value_set_boolean (value, view->priv->fit_model);
 383       break;
 384     default:
 385       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 386       break;
 387     }
 388 }
 389
 390 static void
 391 gtk_cell_view_set_property (GObject      *object,
 392                             guint         param_id,
 393                             const GValue *value,
 394                             GParamSpec   *pspec)
 395 {
 396   GtkCellView *view = GTK_CELL_VIEW (object);
 397   GtkCellArea *area;
 398   GtkCellAreaContext *context;
 399
 400   switch (param_id)
 401     {
 402     case PROP_BACKGROUND:
 403       {
 404         GdkColor color;
 405
 406         if (!g_value_get_string (value))
 407           gtk_cell_view_set_background_color (view, NULL);
 408         else if (gdk_color_parse (g_value_get_string (value), &color))
 409           gtk_cell_view_set_background_color (view, &color);
 410         else
 411           g_warning ("Don't know color `%s'", g_value_get_string (value));
 412
 413         g_object_notify (object, "background-gdk");
 414       }
 415       break;
 416     case PROP_BACKGROUND_GDK:
 417       gtk_cell_view_set_background_color (view, g_value_get_boxed (value));
 418       break;
 419     case PROP_BACKGROUND_RGBA:
 420       gtk_cell_view_set_background_rgba (view, g_value_get_boxed (value));
 421       break;
 422     case PROP_BACKGROUND_SET:
 423       view->priv->background_set = g_value_get_boolean (value);
 424       break;
 425     case PROP_MODEL:
 426       gtk_cell_view_set_model (view, g_value_get_object (value));
 427       break;
 428     case PROP_CELL_AREA:
 429       /* Construct-only, can only be assigned once */
 430       area = g_value_get_object (value);
 431
 432       if (area)
 433         view->priv->area = g_object_ref_sink (area);
 434       break;
 435     case PROP_CELL_AREA_CONTEXT:
 436       /* Construct-only, can only be assigned once */
 437       context = g_value_get_object (value);
 438
 439       if (context)
 440         view->priv->context = g_object_ref (context);
 441       break;
 442
 443     case PROP_DRAW_SENSITIVE:
 444       gtk_cell_view_set_draw_sensitive (view, g_value_get_boolean (value));
 445       break;
 446
 447     case PROP_FIT_MODEL:
 448       gtk_cell_view_set_fit_model (view, g_value_get_boolean (value));
 449       break;
 450
 451     default:
 452         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 453         break;
 454     }
 455 }
 456
 457 static void
 458 gtk_cell_view_init (GtkCellView *cellview)
 459 {
 460   GtkCellViewPrivate *priv;
 461
 462   cellview->priv = G_TYPE_INSTANCE_GET_PRIVATE (cellview,
 463                                                 GTK_TYPE_CELL_VIEW,
 464                                                 GtkCellViewPrivate);
 465   priv = cellview->priv;
 466
 467   gtk_widget_set_has_window (GTK_WIDGET (cellview), FALSE);
 468 }
 469
 470 static void
 471 gtk_cell_view_finalize (GObject *object)
 472 {
 473   GtkCellView *cellview = GTK_CELL_VIEW (object);
 474
 475   if (cellview->priv->displayed_row)
 476      gtk_tree_row_reference_free (cellview->priv->displayed_row);
 477
 478   G_OBJECT_CLASS (gtk_cell_view_parent_class)->finalize (object);
 479 }
 480
 481 static void
 482 gtk_cell_view_dispose (GObject *object)
 483 {
 484   GtkCellView *cellview = GTK_CELL_VIEW (object);
 485
 486   gtk_cell_view_set_model (cellview, NULL);
 487
 488   if (cellview->priv->area)
 489     {
 490       g_object_unref (cellview->priv->area);
 491       cellview->priv->area = NULL;
 492     }
 493
 494   if (cellview->priv->context)
 495     {
 496       g_signal_handler_disconnect (cellview->priv->context, cellview->priv->size_changed_id);
 497
 498       g_object_unref (cellview->priv->context);
 499       cellview->priv->context = NULL;
 500       cellview->priv->size_changed_id = 0;
 501     }
 502
 503   G_OBJECT_CLASS (gtk_cell_view_parent_class)->dispose (object);
 504 }
 505
 506 static void
 507 gtk_cell_view_size_allocate (GtkWidget     *widget,
 508                              GtkAllocation *allocation)
 509 {
 510   GtkCellView        *cellview = GTK_CELL_VIEW (widget);
 511   GtkCellViewPrivate *priv = cellview->priv;
 512   gint                alloc_width, alloc_height;
 513
 514   gtk_widget_set_allocation (widget, allocation);
 515
 516   gtk_cell_area_context_get_allocation (priv->context, &alloc_width, &alloc_height);
 517
 518   /* The first cell view in context is responsible for allocating the context at allocate time
 519    * (or the cellview has its own context and is not grouped with any other cell views)
 520    *
 521    * If the cellview is in "fit model" mode, we assume its not in context and needs to
 522    * allocate every time.
 523    */
 524   if ((alloc_width <= 0 && alloc_height <= 0) || priv->fit_model)
 525     {
 526       gtk_cell_area_context_allocate_width (priv->context, allocation->width);
 527       gtk_cell_area_context_allocate_height (priv->context, allocation->height);
 528     }
 529 }
 530
 531 static void
 532 gtk_cell_view_request_model (GtkCellView        *cellview,
 533                              GtkTreeIter        *parent,
 534                              GtkOrientation      orientation,
 535                              gint                for_size,
 536                              gint               *minimum_size,
 537                              gint               *natural_size)
 538 {
 539   GtkCellViewPrivate *priv = cellview->priv;
 540   GtkTreeIter         iter;
 541   gboolean            valid;
 542
 543   valid = gtk_tree_model_iter_children (priv->model, &iter, parent);
 544   while (valid)
 545     {
 546       gint min, nat;
 547
 548       gtk_cell_area_apply_attributes (priv->area, priv->model, &iter, FALSE, FALSE);
 549
 550       if (orientation == GTK_ORIENTATION_HORIZONTAL)
 551         {
 552           if (for_size < 0)
 553             gtk_cell_area_get_preferred_width (priv->area, priv->context,
 554                                                GTK_WIDGET (cellview), &min, &nat);
 555           else
 556             gtk_cell_area_get_preferred_width_for_height (priv->area, priv->context,
 557                                                           GTK_WIDGET (cellview), for_size, &min, &nat);
 558         }
 559       else
 560         {
 561           if (for_size < 0)
 562             gtk_cell_area_get_preferred_height (priv->area, priv->context,
 563                                                 GTK_WIDGET (cellview), &min, &nat);
 564           else
 565             gtk_cell_area_get_preferred_height_for_width (priv->area, priv->context,
 566                                                           GTK_WIDGET (cellview), for_size, &min, &nat);
 567         }
 568
 569       *minimum_size = MAX (min, *minimum_size);
 570       *natural_size = MAX (nat, *natural_size);
 571
 572       /* Recurse into children when they exist */
 573       gtk_cell_view_request_model (cellview, &iter, orientation, for_size, minimum_size, natural_size);
 574
 575       valid = gtk_tree_model_iter_next (priv->model, &iter);
 576     }
 577 }
 578
 579 static void
 580 gtk_cell_view_get_preferred_width  (GtkWidget *widget,
 581                                     gint      *minimum_size,
 582                                     gint      *natural_size)
 583 {
 584   GtkCellView        *cellview = GTK_CELL_VIEW (widget);
 585   GtkCellViewPrivate *priv = cellview->priv;
 586
 587   g_signal_handler_block (priv->context, priv->size_changed_id);
 588
 589   if (priv->fit_model)
 590     {
 591       gint min = 0, nat = 0;
 592       gtk_cell_view_request_model (cellview, NULL, GTK_ORIENTATION_HORIZONTAL, -1, &min, &nat);
 593     }
 594   else
 595     {
 596       if (cellview->priv->displayed_row)
 597         gtk_cell_view_set_cell_data (cellview);
 598
 599       gtk_cell_area_get_preferred_width (priv->area, priv->context, widget, NULL, NULL);
 600     }
 601
 602   gtk_cell_area_context_sum_preferred_width (priv->context);
 603   gtk_cell_area_context_get_preferred_width (priv->context, minimum_size, natural_size);
 604
 605   g_signal_handler_unblock (priv->context, priv->size_changed_id);
 606 }
 607
 608 static void
 609 gtk_cell_view_get_preferred_height (GtkWidget *widget,
 610                                     gint      *minimum_size,
 611                                     gint      *natural_size)
 612 {
 613   GtkCellView        *cellview = GTK_CELL_VIEW (widget);
 614   GtkCellViewPrivate *priv = cellview->priv;
 615
 616   g_signal_handler_block (priv->context, priv->size_changed_id);
 617
 618   if (priv->fit_model)
 619     {
 620       gint min = 0, nat = 0;
 621       gtk_cell_view_request_model (cellview, NULL, GTK_ORIENTATION_VERTICAL, -1, &min, &nat);
 622     }
 623   else
 624     {
 625       if (cellview->priv->displayed_row)
 626         gtk_cell_view_set_cell_data (cellview);
 627
 628       gtk_cell_area_get_preferred_height (priv->area, priv->context, widget, NULL, NULL);
 629     }
 630
 631   gtk_cell_area_context_sum_preferred_height (priv->context);
 632   gtk_cell_area_context_get_preferred_height (priv->context, minimum_size, natural_size);
 633
 634   g_signal_handler_unblock (priv->context, priv->size_changed_id);
 635 }
 636
 637 static void
 638 gtk_cell_view_get_preferred_width_for_height (GtkWidget *widget,
 639                                               gint       for_size,
 640                                               gint      *minimum_size,
 641                                               gint      *natural_size)
 642 {
 643   GtkCellView        *cellview = GTK_CELL_VIEW (widget);
 644   GtkCellViewPrivate *priv = cellview->priv;
 645
 646   if (priv->fit_model)
 647     {
 648       gint min = 0, nat = 0;
 649       gtk_cell_view_request_model (cellview, NULL, GTK_ORIENTATION_HORIZONTAL, for_size, &min, &nat);
 650
 651       *minimum_size = min;
 652       *natural_size = nat;
 653     }
 654   else
 655     {
 656       if (cellview->priv->displayed_row)
 657         gtk_cell_view_set_cell_data (cellview);
 658
 659       gtk_cell_area_get_preferred_width_for_height (priv->area, priv->context, widget,
 660                                                     for_size, minimum_size, natural_size);
 661     }
 662 }
 663
 664 static void
 665 gtk_cell_view_get_preferred_height_for_width (GtkWidget *widget,
 666                                               gint       for_size,
 667                                               gint      *minimum_size,
 668                                               gint      *natural_size)
 669 {
 670   GtkCellView        *cellview = GTK_CELL_VIEW (widget);
 671   GtkCellViewPrivate *priv = cellview->priv;
 672
 673   if (priv->fit_model)
 674     {
 675       gint min = 0, nat = 0;
 676       gtk_cell_view_request_model (cellview, NULL, GTK_ORIENTATION_VERTICAL, for_size, &min, &nat);
 677
 678       *minimum_size = min;
 679       *natural_size = nat;
 680     }
 681   else
 682     {
 683       if (cellview->priv->displayed_row)
 684         gtk_cell_view_set_cell_data (cellview);
 685
 686       gtk_cell_area_get_preferred_height_for_width (priv->area, priv->context, widget,
 687                                                     for_size, minimum_size, natural_size);
 688     }
 689 }
 690
 691 static gboolean
 692 gtk_cell_view_draw (GtkWidget *widget,
 693                     cairo_t   *cr)
 694 {
 695   GtkCellView *cellview;
 696   GdkRectangle area;
 697   GtkCellRendererState state;
 698
 699   cellview = GTK_CELL_VIEW (widget);
 700
 701   /* render cells */
 702   area.x = 0;
 703   area.y = 0;
 704   area.width  = gtk_widget_get_allocated_width (widget);
 705   area.height = gtk_widget_get_allocated_height (widget);
 706
 707   /* "blank" background */
 708   if (cellview->priv->background_set)
 709     {
 710       gdk_cairo_rectangle (cr, &area);
 711       gdk_cairo_set_source_rgba (cr, &cellview->priv->background);
 712       cairo_fill (cr);
 713     }
 714
 715   /* set cell data (if available) */
 716   if (cellview->priv->displayed_row)
 717     gtk_cell_view_set_cell_data (cellview);
 718   else if (cellview->priv->model)
 719     return FALSE;
 720
 721   if (gtk_widget_get_state_flags (widget) & GTK_STATE_FLAG_PRELIGHT)
 722     state = GTK_CELL_RENDERER_PRELIT;
 723   else if (gtk_widget_get_state_flags (widget) & GTK_STATE_FLAG_INSENSITIVE)
 724     state = GTK_CELL_RENDERER_INSENSITIVE;
 725   else
 726     state = 0;
 727
 728   /* Render the cells */
 729   gtk_cell_area_render (cellview->priv->area, cellview->priv->context,
 730                         widget, cr, &area, &area, state, FALSE);
 731
 732   return FALSE;
 733 }
 734
 735 static void
 736 gtk_cell_view_set_cell_data (GtkCellView *cell_view)
 737 {
 738   GtkTreeIter iter;
 739   GtkTreePath *path;
 740
 741   g_return_if_fail (cell_view->priv->displayed_row != NULL);
 742
 743   path = gtk_tree_row_reference_get_path (cell_view->priv->displayed_row);
 744   if (!path)
 745     return;
 746
 747   gtk_tree_model_get_iter (cell_view->priv->model, &iter, path);
 748   gtk_tree_path_free (path);
 749
 750   gtk_cell_area_apply_attributes (cell_view->priv->area,
 751                                   cell_view->priv->model,
 752                                   &iter, FALSE, FALSE);
 753
 754   if (cell_view->priv->draw_sensitive)
 755     {
 756       GList *l, *cells =
 757         gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (cell_view->priv->area));
 758
 759       for (l = cells; l; l = l->next)
 760         {
 761           GObject *renderer = l->data;
 762
 763           g_object_set (renderer, "sensitive", TRUE, NULL);
 764         }
 765       g_list_free (cells);
 766     }
 767 }
 768
 769 /* GtkCellLayout implementation */
 770 static GtkCellArea *
 771 gtk_cell_view_cell_layout_get_area (GtkCellLayout   *layout)
 772 {
 773   GtkCellView *cellview = GTK_CELL_VIEW (layout);
 774
 775   return cellview->priv->area;
 776 }
 777
 778 /* GtkBuildable implementation */
 779 static gboolean
 780 gtk_cell_view_buildable_custom_tag_start (GtkBuildable  *buildable,
 781                                           GtkBuilder    *builder,
 782                                           GObject       *child,
 783                                           const gchar   *tagname,
 784                                           GMarkupParser *parser,
 785                                           gpointer      *data)
 786 {
 787   if (parent_buildable_iface->custom_tag_start &&
 788       parent_buildable_iface->custom_tag_start (buildable, builder, child,
 789                                                 tagname, parser, data))
 790     return TRUE;
 791
 792   return _gtk_cell_layout_buildable_custom_tag_start (buildable, builder, child,
 793                                                       tagname, parser, data);
 794 }
 795
 796 static void
 797 gtk_cell_view_buildable_custom_tag_end (GtkBuildable *buildable,
 798                                         GtkBuilder   *builder,
 799                                         GObject      *child,
 800                                         const gchar  *tagname,
 801                                         gpointer     *data)
 802 {
 803   if (strcmp (tagname, "attributes") == 0 || strcmp (tagname, "cell-packing") == 0)
 804     _gtk_cell_layout_buildable_custom_tag_end (buildable, builder, child, tagname,
 805                                                data);
 806   else if (parent_buildable_iface->custom_tag_end)
 807     parent_buildable_iface->custom_tag_end (buildable, builder, child, tagname,
 808                                             data);
 809 }
 810
 811 static void
 812 context_size_changed_cb (GtkCellAreaContext  *context,
 813                          GParamSpec          *pspec,
 814                          GtkWidget           *view)
 815 {
 816   if (!strcmp (pspec->name, "minimum-width") ||
 817       !strcmp (pspec->name, "natural-width") ||
 818       !strcmp (pspec->name, "minimum-height") ||
 819       !strcmp (pspec->name, "natural-height"))
 820     gtk_widget_queue_resize (view);
 821 }
 822
 823 static void
 824 row_changed_cb (GtkTreeModel         *model,
 825                 GtkTreePath          *path,
 826                 GtkTreeIter          *iter,
 827                 GtkCellView          *view)
 828 {
 829   GtkTreePath *row_path;
 830
 831   if (view->priv->displayed_row)
 832     {
 833       row_path =
 834         gtk_tree_row_reference_get_path (view->priv->displayed_row);
 835
 836       if (row_path)
 837         {
 838           /* Resize everything in our context if our row changed */
 839           if (gtk_tree_path_compare (row_path, path) == 0)
 840             gtk_cell_area_context_flush (view->priv->context);
 841
 842           gtk_tree_path_free (row_path);
 843         }
 844     }
 845 }
 846
 847 /**
 848  * gtk_cell_view_new:
 849  *
 850  * Creates a new #GtkCellView widget.
 851  *
 852  * Return value: A newly created #GtkCellView widget.
 853  *
 854  * Since: 2.6
 855  */
 856 GtkWidget *
 857 gtk_cell_view_new (void)
 858 {
 859   GtkCellView *cellview;
 860
 861   cellview = g_object_new (gtk_cell_view_get_type (), NULL);
 862
 863   return GTK_WIDGET (cellview);
 864 }
 865
 866
 867 /**
 868  * gtk_cell_view_new_with_context:
 869  * @area: the #GtkCellArea to layout cells
 870  * @context: the #GtkCellAreaContext in which to calculate cell geometry
 871  *
 872  * Creates a new #GtkCellView widget with a specific #GtkCellArea
 873  * to layout cells and a specific #GtkCellAreaContext.
 874  *
 875  * Specifying the same context for a handfull of cells lets
 876  * the underlying area synchronize the geometry for those cells,
 877  * in this way alignments with cellviews for other rows are
 878  * possible.
 879  *
 880  * Return value: A newly created #GtkCellView widget.
 881  *
 882  * Since: 2.6
 883  */
 884 GtkWidget *
 885 gtk_cell_view_new_with_context (GtkCellArea        *area,
 886                                 GtkCellAreaContext *context)
 887 {
 888   g_return_val_if_fail (GTK_IS_CELL_AREA (area), NULL);
 889   g_return_val_if_fail (context == NULL || GTK_IS_CELL_AREA_CONTEXT (context), NULL);
 890
 891   return (GtkWidget *)g_object_new (GTK_TYPE_CELL_VIEW,
 892                                     "cell-area", area,
 893                                     "cell-area-context", context,
 894                                     NULL);
 895 }
 896
 897 /**
 898  * gtk_cell_view_new_with_text:
 899  * @text: the text to display in the cell view
 900  *
 901  * Creates a new #GtkCellView widget, adds a #GtkCellRendererText
 902  * to it, and makes its show @text.
 903  *
 904  * Return value: A newly created #GtkCellView widget.
 905  *
 906  * Since: 2.6
 907  */
 908 GtkWidget *
 909 gtk_cell_view_new_with_text (const gchar *text)
 910 {
 911   GtkCellView *cellview;
 912   GtkCellRenderer *renderer;
 913   GValue value = {0, };
 914
 915   cellview = GTK_CELL_VIEW (gtk_cell_view_new ());
 916
 917   renderer = gtk_cell_renderer_text_new ();
 918   gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cellview),
 919                               renderer, TRUE);
 920
 921   g_value_init (&value, G_TYPE_STRING);
 922   g_value_set_string (&value, text);
 923   gtk_cell_view_set_value (cellview, renderer, "text", &value);
 924   g_value_unset (&value);
 925
 926   return GTK_WIDGET (cellview);
 927 }
 928
 929 /**
 930  * gtk_cell_view_new_with_markup:
 931  * @markup: the text to display in the cell view
 932  *
 933  * Creates a new #GtkCellView widget, adds a #GtkCellRendererText
 934  * to it, and makes it show @markup. The text can be
 935  * marked up with the <link linkend="PangoMarkupFormat">Pango text
 936  * markup language</link>.
 937  *
 938  * Return value: A newly created #GtkCellView widget.
 939  *
 940  * Since: 2.6
 941  */
 942 GtkWidget *
 943 gtk_cell_view_new_with_markup (const gchar *markup)
 944 {
 945   GtkCellView *cellview;
 946   GtkCellRenderer *renderer;
 947   GValue value = {0, };
 948
 949   cellview = GTK_CELL_VIEW (gtk_cell_view_new ());
 950
 951   renderer = gtk_cell_renderer_text_new ();
 952   gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cellview),
 953                               renderer, TRUE);
 954
 955   g_value_init (&value, G_TYPE_STRING);
 956   g_value_set_string (&value, markup);
 957   gtk_cell_view_set_value (cellview, renderer, "markup", &value);
 958   g_value_unset (&value);
 959
 960   return GTK_WIDGET (cellview);
 961 }
 962
 963 /**
 964  * gtk_cell_view_new_with_pixbuf:
 965  * @pixbuf: the image to display in the cell view
 966  *
 967  * Creates a new #GtkCellView widget, adds a #GtkCellRendererPixbuf
 968  * to it, and makes its show @pixbuf.
 969  *
 970  * Return value: A newly created #GtkCellView widget.
 971  *
 972  * Since: 2.6
 973  */
 974 GtkWidget *
 975 gtk_cell_view_new_with_pixbuf (GdkPixbuf *pixbuf)
 976 {
 977   GtkCellView *cellview;
 978   GtkCellRenderer *renderer;
 979   GValue value = {0, };
 980
 981   cellview = GTK_CELL_VIEW (gtk_cell_view_new ());
 982
 983   renderer = gtk_cell_renderer_pixbuf_new ();
 984   gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cellview),
 985                               renderer, TRUE);
 986
 987   g_value_init (&value, GDK_TYPE_PIXBUF);
 988   g_value_set_object (&value, pixbuf);
 989   gtk_cell_view_set_value (cellview, renderer, "pixbuf", &value);
 990   g_value_unset (&value);
 991
 992   return GTK_WIDGET (cellview);
 993 }
 994
 995 /**
 996  * gtk_cell_view_set_value:
 997  * @cell_view: a #GtkCellView widget
 998  * @renderer: one of the renderers of @cell_view
 999  * @property: the name of the property of @renderer to set
1000  * @value: the new value to set the property to
1001  *
1002  * Sets a property of a cell renderer of @cell_view, and
1003  * makes sure the display of @cell_view is updated.
1004  *
1005  * Since: 2.6
1006  */
1007 static void
1008 gtk_cell_view_set_value (GtkCellView     *cell_view,
1009                          GtkCellRenderer *renderer,
1010                          gchar           *property,
1011                          GValue          *value)
1012 {
1013   g_object_set_property (G_OBJECT (renderer), property, value);
1014
1015   /* force resize and redraw */
1016   gtk_widget_queue_resize (GTK_WIDGET (cell_view));
1017   gtk_widget_queue_draw (GTK_WIDGET (cell_view));
1018 }
1019
1020 /**
1021  * gtk_cell_view_set_model:
1022  * @cell_view: a #GtkCellView
1023  * @model: (allow-none): a #GtkTreeModel
1024  *
1025  * Sets the model for @cell_view.  If @cell_view already has a model
1026  * set, it will remove it before setting the new model.  If @model is
1027  * %NULL, then it will unset the old model.
1028  *
1029  * Since: 2.6
1030  */
1031 void
1032 gtk_cell_view_set_model (GtkCellView  *cell_view,
1033                          GtkTreeModel *model)
1034 {
1035   g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
1036   g_return_if_fail (model == NULL || GTK_IS_TREE_MODEL (model));
1037
1038   if (cell_view->priv->model)
1039     {
1040       g_signal_handler_disconnect (cell_view->priv->model,
1041                                    cell_view->priv->row_changed_id);
1042       cell_view->priv->row_changed_id = 0;
1043
1044       if (cell_view->priv->displayed_row)
1045         gtk_tree_row_reference_free (cell_view->priv->displayed_row);
1046       cell_view->priv->displayed_row = NULL;
1047
1048       g_object_unref (cell_view->priv->model);
1049       cell_view->priv->model = NULL;
1050     }
1051
1052   cell_view->priv->model = model;
1053
1054   if (cell_view->priv->model)
1055     {
1056       g_object_ref (cell_view->priv->model);
1057
1058       cell_view->priv->row_changed_id =
1059         g_signal_connect (cell_view->priv->model, "row-changed",
1060                           G_CALLBACK (row_changed_cb), cell_view);
1061     }
1062 }
1063
1064 /**
1065  * gtk_cell_view_get_model:
1066  * @cell_view: a #GtkCellView
1067  *
1068  * Returns the model for @cell_view. If no model is used %NULL is
1069  * returned.
1070  *
1071  * Returns: (transfer none): a #GtkTreeModel used or %NULL
1072  *
1073  * Since: 2.16
1074  **/
1075 GtkTreeModel *
1076 gtk_cell_view_get_model (GtkCellView *cell_view)
1077 {
1078   g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), NULL);
1079
1080   return cell_view->priv->model;
1081 }
1082
1083 /**
1084  * gtk_cell_view_set_displayed_row:
1085  * @cell_view: a #GtkCellView
1086  * @path: (allow-none): a #GtkTreePath or %NULL to unset.
1087  *
1088  * Sets the row of the model that is currently displayed
1089  * by the #GtkCellView. If the path is unset, then the
1090  * contents of the cellview "stick" at their last value;
1091  * this is not normally a desired result, but may be
1092  * a needed intermediate state if say, the model for
1093  * the #GtkCellView becomes temporarily empty.
1094  *
1095  * Since: 2.6
1096  **/
1097 void
1098 gtk_cell_view_set_displayed_row (GtkCellView *cell_view,
1099                                  GtkTreePath *path)
1100 {
1101   g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
1102   g_return_if_fail (GTK_IS_TREE_MODEL (cell_view->priv->model));
1103
1104   if (cell_view->priv->displayed_row)
1105     gtk_tree_row_reference_free (cell_view->priv->displayed_row);
1106
1107   if (path)
1108     {
1109       cell_view->priv->displayed_row =
1110         gtk_tree_row_reference_new (cell_view->priv->model, path);
1111     }
1112   else
1113     cell_view->priv->displayed_row = NULL;
1114
1115   /* force resize and redraw */
1116   gtk_widget_queue_resize (GTK_WIDGET (cell_view));
1117   gtk_widget_queue_draw (GTK_WIDGET (cell_view));
1118 }
1119
1120 /**
1121  * gtk_cell_view_get_displayed_row:
1122  * @cell_view: a #GtkCellView
1123  *
1124  * Returns a #GtkTreePath referring to the currently
1125  * displayed row. If no row is currently displayed,
1126  * %NULL is returned.
1127  *
1128  * Returns: the currently displayed row or %NULL
1129  *
1130  * Since: 2.6
1131  */
1132 GtkTreePath *
1133 gtk_cell_view_get_displayed_row (GtkCellView *cell_view)
1134 {
1135   g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), NULL);
1136
1137   if (!cell_view->priv->displayed_row)
1138     return NULL;
1139
1140   return gtk_tree_row_reference_get_path (cell_view->priv->displayed_row);
1141 }
1142
1143 /**
1144  * gtk_cell_view_get_size_of_row:
1145  * @cell_view: a #GtkCellView
1146  * @path: a #GtkTreePath
1147  * @requisition: return location for the size
1148  *
1149  * Sets @requisition to the size needed by @cell_view to display
1150  * the model row pointed to by @path.
1151  *
1152  * Return value: %TRUE
1153  *
1154  * Since: 2.6
1155  *
1156  * Deprecated: 3.0: Combo box formerly used this to calculate the
1157  * sizes for cellviews, now you can achieve this by either using
1158  * the #GtkCellView:fit-model property or by setting the currently
1159  * displayed row of the #GtkCellView and using gtk_widget_get_preferred_size().
1160  */
1161 gboolean
1162 gtk_cell_view_get_size_of_row (GtkCellView    *cell_view,
1163                                GtkTreePath    *path,
1164                                GtkRequisition *requisition)
1165 {
1166   GtkTreeRowReference *tmp;
1167   GtkRequisition req;
1168
1169   g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), FALSE);
1170   g_return_val_if_fail (path != NULL, FALSE);
1171
1172   tmp = cell_view->priv->displayed_row;
1173   cell_view->priv->displayed_row =
1174     gtk_tree_row_reference_new (cell_view->priv->model, path);
1175
1176   gtk_widget_get_preferred_width (GTK_WIDGET (cell_view), &req.width, NULL);
1177   gtk_widget_get_preferred_height_for_width (GTK_WIDGET (cell_view), req.width, &req.height, NULL);
1178
1179   gtk_tree_row_reference_free (cell_view->priv->displayed_row);
1180   cell_view->priv->displayed_row = tmp;
1181
1182   if (requisition)
1183     *requisition = req;
1184
1185   return TRUE;
1186 }
1187
1188 /**
1189  * gtk_cell_view_set_background_color:
1190  * @cell_view: a #GtkCellView
1191  * @color: the new background color
1192  *
1193  * Sets the background color of @view.
1194  *
1195  * Since: 2.6
1196  */
1197 void
1198 gtk_cell_view_set_background_color (GtkCellView    *cell_view,
1199                                     const GdkColor *color)
1200 {
1201   g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
1202
1203   if (color)
1204     {
1205       if (!cell_view->priv->background_set)
1206         {
1207           cell_view->priv->background_set = TRUE;
1208           g_object_notify (G_OBJECT (cell_view), "background-set");
1209         }
1210
1211       cell_view->priv->background.red = color->red / 65535.;
1212       cell_view->priv->background.green = color->green / 65535.;
1213       cell_view->priv->background.blue = color->blue / 65535.;
1214       cell_view->priv->background.alpha = 1;
1215     }
1216   else
1217     {
1218       if (cell_view->priv->background_set)
1219         {
1220           cell_view->priv->background_set = FALSE;
1221           g_object_notify (G_OBJECT (cell_view), "background-set");
1222         }
1223     }
1224
1225   gtk_widget_queue_draw (GTK_WIDGET (cell_view));
1226 }
1227
1228 /**
1229  * gtk_cell_view_set_background_rgba:
1230  * @cell_view: a #GtkCellView
1231  * @rgba: the new background color
1232  *
1233  * Sets the background color of @cell_view.
1234  *
1235  * Since: 3.0
1236  */
1237 void
1238 gtk_cell_view_set_background_rgba (GtkCellView   *cell_view,
1239                                    const GdkRGBA *rgba)
1240 {
1241   g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
1242
1243   if (rgba)
1244     {
1245       if (!cell_view->priv->background_set)
1246         {
1247           cell_view->priv->background_set = TRUE;
1248           g_object_notify (G_OBJECT (cell_view), "background-set");
1249         }
1250
1251       cell_view->priv->background = *rgba;
1252     }
1253   else
1254     {
1255       if (cell_view->priv->background_set)
1256         {
1257           cell_view->priv->background_set = FALSE;
1258           g_object_notify (G_OBJECT (cell_view), "background-set");
1259         }
1260     }
1261
1262   gtk_widget_queue_draw (GTK_WIDGET (cell_view));
1263 }
1264
1265 gboolean
1266 gtk_cell_view_get_draw_sensitive (GtkCellView     *cell_view)
1267 {
1268   GtkCellViewPrivate *priv;
1269
1270   g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), FALSE);
1271
1272   priv = cell_view->priv;
1273
1274   return priv->draw_sensitive;
1275 }
1276
1277 void
1278 gtk_cell_view_set_draw_sensitive (GtkCellView     *cell_view,
1279                                   gboolean         draw_sensitive)
1280 {
1281   GtkCellViewPrivate *priv;
1282
1283   g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
1284
1285   priv = cell_view->priv;
1286
1287   if (priv->draw_sensitive != draw_sensitive)
1288     {
1289       priv->draw_sensitive = draw_sensitive;
1290
1291       g_object_notify (G_OBJECT (cell_view), "draw-sensitive");
1292     }
1293 }
1294
1295 gboolean
1296 gtk_cell_view_get_fit_model (GtkCellView     *cell_view)
1297 {
1298   GtkCellViewPrivate *priv;
1299
1300   g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), FALSE);
1301
1302   priv = cell_view->priv;
1303
1304   return priv->fit_model;
1305 }
1306
1307 void
1308 gtk_cell_view_set_fit_model (GtkCellView     *cell_view,
1309                              gboolean         fit_model)
1310 {
1311   GtkCellViewPrivate *priv;
1312
1313   g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
1314
1315   priv = cell_view->priv;
1316
1317   if (priv->fit_model != fit_model)
1318     {
1319       priv->fit_model = fit_model;
1320
1321       gtk_cell_area_context_flush (cell_view->priv->context);
1322
1323       g_object_notify (G_OBJECT (cell_view), "fit-model");
1324     }
1325 }