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

   1 /* gtkcellrendererpixbuf.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 <config.h>
  21 #include <stdlib.h>
  22 #include "gtkcellrendererpixbuf.h"
  23 #include "gtkiconfactory.h"
  24 #include "gtkicontheme.h"
  25 #include "gtkintl.h"
  26 #include "gtkprivate.h"
  27 #include "gtkalias.h"
  28
  29 static void gtk_cell_renderer_pixbuf_get_property  (GObject                    *object,
  30                                                     guint                       param_id,
  31                                                     GValue                     *value,
  32                                                     GParamSpec                 *pspec);
  33 static void gtk_cell_renderer_pixbuf_set_property  (GObject                    *object,
  34                                                     guint                       param_id,
  35                                                     const GValue               *value,
  36                                                     GParamSpec                 *pspec);
  37 static void gtk_cell_renderer_pixbuf_init       (GtkCellRendererPixbuf      *celltext);
  38 static void gtk_cell_renderer_pixbuf_class_init (GtkCellRendererPixbufClass *class);
  39 static void gtk_cell_renderer_pixbuf_finalize   (GObject                    *object);
  40 static void gtk_cell_renderer_pixbuf_create_stock_pixbuf (GtkCellRendererPixbuf *cellpixbuf,
  41                                                           GtkWidget             *widget);
  42 static void gtk_cell_renderer_pixbuf_create_named_icon_pixbuf (GtkCellRendererPixbuf *cellpixbuf,
  43                                                                GtkWidget             *widget);
  44 static void gtk_cell_renderer_pixbuf_get_size   (GtkCellRenderer            *cell,
  45                                                  GtkWidget                  *widget,
  46                                                  GdkRectangle               *rectangle,
  47                                                  gint                       *x_offset,
  48                                                  gint                       *y_offset,
  49                                                  gint                       *width,
  50                                                  gint                       *height);
  51 static void gtk_cell_renderer_pixbuf_render     (GtkCellRenderer            *cell,
  52                                                  GdkDrawable                *window,
  53                                                  GtkWidget                  *widget,
  54                                                  GdkRectangle               *background_area,
  55                                                  GdkRectangle               *cell_area,
  56                                                  GdkRectangle               *expose_area,
  57                                                  GtkCellRendererState        flags);
  58
  59
  60 enum {
  61         PROP_ZERO,
  62         PROP_PIXBUF,
  63         PROP_PIXBUF_EXPANDER_OPEN,
  64         PROP_PIXBUF_EXPANDER_CLOSED,
  65         PROP_STOCK_ID,
  66         PROP_STOCK_SIZE,
  67         PROP_STOCK_DETAIL,
  68         PROP_FOLLOW_STATE,
  69         PROP_ICON_NAME
  70 };
  71
  72 static gpointer parent_class;
  73
  74
  75 #define GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_CELL_RENDERER_PIXBUF, GtkCellRendererPixbufPrivate))
  76
  77 typedef struct _GtkCellRendererPixbufPrivate GtkCellRendererPixbufPrivate;
  78 struct _GtkCellRendererPixbufPrivate
  79 {
  80   gchar *stock_id;
  81   GtkIconSize stock_size;
  82   gchar *stock_detail;
  83   gboolean follow_state;
  84
  85   gchar *icon_name;
  86 };
  87
  88
  89 GType
  90 gtk_cell_renderer_pixbuf_get_type (void)
  91 {
  92   static GType cell_pixbuf_type = 0;
  93
  94   if (!cell_pixbuf_type)
  95     {
  96       static const GTypeInfo cell_pixbuf_info =
  97       {
  98         sizeof (GtkCellRendererPixbufClass),
  99         NULL,           /* base_init */
 100         NULL,           /* base_finalize */
 101         (GClassInitFunc) gtk_cell_renderer_pixbuf_class_init,
 102         NULL,           /* class_finalize */
 103         NULL,           /* class_data */
 104         sizeof (GtkCellRendererPixbuf),
 105         0,              /* n_preallocs */
 106         (GInstanceInitFunc) gtk_cell_renderer_pixbuf_init,
 107       };
 108
 109       cell_pixbuf_type =
 110         g_type_register_static (GTK_TYPE_CELL_RENDERER, I_("GtkCellRendererPixbuf"),
 111                                 &cell_pixbuf_info, 0);
 112     }
 113
 114   return cell_pixbuf_type;
 115 }
 116
 117 static void
 118 gtk_cell_renderer_pixbuf_init (GtkCellRendererPixbuf *cellpixbuf)
 119 {
 120   GtkCellRendererPixbufPrivate *priv;
 121
 122   priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (cellpixbuf);
 123   priv->stock_size = GTK_ICON_SIZE_MENU;
 124 }
 125
 126 static void
 127 gtk_cell_renderer_pixbuf_class_init (GtkCellRendererPixbufClass *class)
 128 {
 129   GObjectClass *object_class = G_OBJECT_CLASS (class);
 130   GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class);
 131
 132   parent_class = g_type_class_peek_parent (class);
 133
 134   object_class->finalize = gtk_cell_renderer_pixbuf_finalize;
 135
 136   object_class->get_property = gtk_cell_renderer_pixbuf_get_property;
 137   object_class->set_property = gtk_cell_renderer_pixbuf_set_property;
 138
 139   cell_class->get_size = gtk_cell_renderer_pixbuf_get_size;
 140   cell_class->render = gtk_cell_renderer_pixbuf_render;
 141
 142   g_object_class_install_property (object_class,
 143                                    PROP_PIXBUF,
 144                                    g_param_spec_object ("pixbuf",
 145                                                         P_("Pixbuf Object"),
 146                                                         P_("The pixbuf to render"),
 147                                                         GDK_TYPE_PIXBUF,
 148                                                         GTK_PARAM_READWRITE));
 149
 150   g_object_class_install_property (object_class,
 151                                    PROP_PIXBUF_EXPANDER_OPEN,
 152                                    g_param_spec_object ("pixbuf-expander-open",
 153                                                         P_("Pixbuf Expander Open"),
 154                                                         P_("Pixbuf for open expander"),
 155                                                         GDK_TYPE_PIXBUF,
 156                                                         GTK_PARAM_READWRITE));
 157
 158   g_object_class_install_property (object_class,
 159                                    PROP_PIXBUF_EXPANDER_CLOSED,
 160                                    g_param_spec_object ("pixbuf-expander-closed",
 161                                                         P_("Pixbuf Expander Closed"),
 162                                                         P_("Pixbuf for closed expander"),
 163                                                         GDK_TYPE_PIXBUF,
 164                                                         GTK_PARAM_READWRITE));
 165
 166   g_object_class_install_property (object_class,
 167                                    PROP_STOCK_ID,
 168                                    g_param_spec_string ("stock-id",
 169                                                         P_("Stock ID"),
 170                                                         P_("The stock ID of the stock icon to render"),
 171                                                         NULL,
 172                                                         GTK_PARAM_READWRITE));
 173
 174   g_object_class_install_property (object_class,
 175                                    PROP_STOCK_SIZE,
 176                                    g_param_spec_uint ("stock-size",
 177                                                       P_("Size"),
 178                                                       P_("The GtkIconSize value that specifies the size of the rendered icon"),
 179                                                       0,
 180                                                       G_MAXUINT,
 181                                                       GTK_ICON_SIZE_MENU,
 182                                                       GTK_PARAM_READWRITE));
 183
 184   g_object_class_install_property (object_class,
 185                                    PROP_STOCK_DETAIL,
 186                                    g_param_spec_string ("stock-detail",
 187                                                         P_("Detail"),
 188                                                         P_("Render detail to pass to the theme engine"),
 189                                                         NULL,
 190                                                         GTK_PARAM_READWRITE));
 191
 192
 193   /**
 194    * GtkCellRendererPixbuf:icon-name:
 195    *
 196    * The name of the themed icon to display.
 197    * This property only has an effect if not overridden by "stock_id"
 198    * or "pixbuf" properties.
 199    *
 200    * Since: 2.8
 201    */
 202   g_object_class_install_property (object_class,
 203                                    PROP_ICON_NAME,
 204                                    g_param_spec_string ("icon-name",
 205                                                         P_("Icon Name"),
 206                                                         P_("The name of the icon from the icon theme"),
 207                                                         NULL,
 208                                                         GTK_PARAM_READWRITE));
 209
 210   /**
 211    * GtkCellRendererPixbuf:follow-state:
 212    *
 213    * Specifies whether the rendered pixbuf should be colorized
 214    * according to the #GtkCellRendererState.
 215    *
 216    * Since: 2.8
 217    */
 218   g_object_class_install_property (object_class,
 219                                    PROP_FOLLOW_STATE,
 220                                    g_param_spec_boolean ("follow-state",
 221                                                          P_("Follow State"),
 222                                                          P_("Whether the rendered pixbuf should be "
 223                                                             "colorized according to the state"),
 224                                                          FALSE,
 225                                                          GTK_PARAM_READWRITE));
 226
 227
 228   g_type_class_add_private (object_class, sizeof (GtkCellRendererPixbufPrivate));
 229 }
 230
 231 static void
 232 gtk_cell_renderer_pixbuf_finalize (GObject *object)
 233 {
 234   GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object);
 235   GtkCellRendererPixbufPrivate *priv;
 236
 237   priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (object);
 238
 239   if (cellpixbuf->pixbuf)
 240     g_object_unref (cellpixbuf->pixbuf);
 241   if (cellpixbuf->pixbuf_expander_open)
 242     g_object_unref (cellpixbuf->pixbuf_expander_open);
 243   if (cellpixbuf->pixbuf_expander_closed)
 244     g_object_unref (cellpixbuf->pixbuf_expander_closed);
 245
 246   g_free (priv->stock_id);
 247   g_free (priv->stock_detail);
 248   g_free (priv->icon_name);
 249
 250   (* G_OBJECT_CLASS (parent_class)->finalize) (object);
 251 }
 252
 253 static void
 254 gtk_cell_renderer_pixbuf_get_property (GObject        *object,
 255                                        guint           param_id,
 256                                        GValue         *value,
 257                                        GParamSpec     *pspec)
 258 {
 259   GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object);
 260   GtkCellRendererPixbufPrivate *priv;
 261
 262   priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (object);
 263
 264   switch (param_id)
 265     {
 266     case PROP_PIXBUF:
 267       g_value_set_object (value,
 268                           cellpixbuf->pixbuf ? G_OBJECT (cellpixbuf->pixbuf) : NULL);
 269       break;
 270     case PROP_PIXBUF_EXPANDER_OPEN:
 271       g_value_set_object (value,
 272                           cellpixbuf->pixbuf_expander_open ? G_OBJECT (cellpixbuf->pixbuf_expander_open) : NULL);
 273       break;
 274     case PROP_PIXBUF_EXPANDER_CLOSED:
 275       g_value_set_object (value,
 276                           cellpixbuf->pixbuf_expander_closed ? G_OBJECT (cellpixbuf->pixbuf_expander_closed) : NULL);
 277       break;
 278     case PROP_STOCK_ID:
 279       g_value_set_string (value, priv->stock_id);
 280       break;
 281     case PROP_STOCK_SIZE:
 282       g_value_set_uint (value, priv->stock_size);
 283       break;
 284     case PROP_STOCK_DETAIL:
 285       g_value_set_string (value, priv->stock_detail);
 286       break;
 287     case PROP_FOLLOW_STATE:
 288       g_value_set_boolean (value, priv->follow_state);
 289       break;
 290     case PROP_ICON_NAME:
 291       g_value_set_string (value, priv->icon_name);
 292       break;
 293     default:
 294       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 295       break;
 296     }
 297 }
 298
 299
 300 static void
 301 gtk_cell_renderer_pixbuf_set_property (GObject      *object,
 302                                        guint         param_id,
 303                                        const GValue *value,
 304                                        GParamSpec   *pspec)
 305 {
 306   GdkPixbuf *pixbuf;
 307   GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object);
 308   GtkCellRendererPixbufPrivate *priv;
 309
 310   priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (object);
 311
 312   switch (param_id)
 313     {
 314     case PROP_PIXBUF:
 315       pixbuf = (GdkPixbuf*) g_value_get_object (value);
 316       if (pixbuf)
 317         g_object_ref (pixbuf);
 318       if (cellpixbuf->pixbuf)
 319         g_object_unref (cellpixbuf->pixbuf);
 320       cellpixbuf->pixbuf = pixbuf;
 321       break;
 322     case PROP_PIXBUF_EXPANDER_OPEN:
 323       pixbuf = (GdkPixbuf*) g_value_get_object (value);
 324       if (pixbuf)
 325         g_object_ref (pixbuf);
 326       if (cellpixbuf->pixbuf_expander_open)
 327         g_object_unref (cellpixbuf->pixbuf_expander_open);
 328       cellpixbuf->pixbuf_expander_open = pixbuf;
 329       break;
 330     case PROP_PIXBUF_EXPANDER_CLOSED:
 331       pixbuf = (GdkPixbuf*) g_value_get_object (value);
 332       if (pixbuf)
 333         g_object_ref (pixbuf);
 334       if (cellpixbuf->pixbuf_expander_closed)
 335         g_object_unref (cellpixbuf->pixbuf_expander_closed);
 336       cellpixbuf->pixbuf_expander_closed = pixbuf;
 337       break;
 338     case PROP_STOCK_ID:
 339       if (priv->stock_id)
 340         {
 341           if (cellpixbuf->pixbuf)
 342             {
 343               g_object_unref (cellpixbuf->pixbuf);
 344               cellpixbuf->pixbuf = NULL;
 345             }
 346           g_free (priv->stock_id);
 347           g_free (priv->icon_name);
 348           priv->icon_name = NULL;
 349         }
 350       priv->stock_id = g_strdup (g_value_get_string (value));
 351       break;
 352     case PROP_STOCK_SIZE:
 353       priv->stock_size = g_value_get_uint (value);
 354       break;
 355     case PROP_STOCK_DETAIL:
 356       if (priv->stock_detail)
 357         g_free (priv->stock_detail);
 358       priv->stock_detail = g_strdup (g_value_get_string (value));
 359       break;
 360     case PROP_ICON_NAME:
 361       if (priv->icon_name)
 362         {
 363           if (cellpixbuf->pixbuf)
 364             {
 365               g_object_unref (cellpixbuf->pixbuf);
 366               cellpixbuf->pixbuf = NULL;
 367             }
 368           g_free (priv->stock_id);
 369           g_free (priv->icon_name);
 370         }
 371       priv->icon_name = g_strdup (g_value_get_string (value));
 372       break;
 373     case PROP_FOLLOW_STATE:
 374       priv->follow_state = g_value_get_boolean (value);
 375       break;
 376     default:
 377       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 378       break;
 379     }
 380
 381   if (cellpixbuf->pixbuf && priv->stock_id)
 382     {
 383       g_object_unref (cellpixbuf->pixbuf);
 384       cellpixbuf->pixbuf = NULL;
 385     }
 386 }
 387
 388 /**
 389  * gtk_cell_renderer_pixbuf_new:
 390  *
 391  * Creates a new #GtkCellRendererPixbuf. Adjust rendering
 392  * parameters using object properties. Object properties can be set
 393  * globally (with g_object_set()). Also, with #GtkTreeViewColumn, you
 394  * can bind a property to a value in a #GtkTreeModel. For example, you
 395  * can bind the "pixbuf" property on the cell renderer to a pixbuf value
 396  * in the model, thus rendering a different image in each row of the
 397  * #GtkTreeView.
 398  *
 399  * Return value: the new cell renderer
 400  **/
 401 GtkCellRenderer *
 402 gtk_cell_renderer_pixbuf_new (void)
 403 {
 404   return g_object_new (GTK_TYPE_CELL_RENDERER_PIXBUF, NULL);
 405 }
 406
 407 static void
 408 gtk_cell_renderer_pixbuf_create_stock_pixbuf (GtkCellRendererPixbuf *cellpixbuf,
 409                                               GtkWidget             *widget)
 410 {
 411   GtkCellRendererPixbufPrivate *priv;
 412
 413   priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (cellpixbuf);
 414
 415   if (cellpixbuf->pixbuf)
 416     g_object_unref (cellpixbuf->pixbuf);
 417
 418   cellpixbuf->pixbuf = gtk_widget_render_icon (widget,
 419                                                priv->stock_id,
 420                                                priv->stock_size,
 421                                                priv->stock_detail);
 422 }
 423
 424 static void
 425 gtk_cell_renderer_pixbuf_create_named_icon_pixbuf (GtkCellRendererPixbuf *cellpixbuf,
 426                                                    GtkWidget             *widget)
 427 {
 428   GtkCellRendererPixbufPrivate *priv;
 429   GdkScreen *screen;
 430   GtkIconTheme *icon_theme;
 431   GtkSettings *settings;
 432   gint width, height;
 433   GError *error = NULL;
 434
 435   priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (cellpixbuf);
 436
 437   if (cellpixbuf->pixbuf)
 438     g_object_unref (cellpixbuf->pixbuf);
 439
 440   screen = gtk_widget_get_screen (GTK_WIDGET (widget));
 441   icon_theme = gtk_icon_theme_get_for_screen (screen);
 442   settings = gtk_settings_get_for_screen (screen);
 443
 444   if (!gtk_icon_size_lookup_for_settings (settings,
 445                                           priv->stock_size,
 446                                           &width, &height))
 447     {
 448       g_warning ("Invalid icon size %d\n", priv->stock_size);
 449       width = height = 24;
 450     }
 451
 452   cellpixbuf->pixbuf =
 453     gtk_icon_theme_load_icon (icon_theme,
 454                               priv->icon_name,
 455                               MIN (width, height), 0, &error);
 456   if (!cellpixbuf->pixbuf)
 457     {
 458       g_warning ("could not load image: %s\n", error->message);
 459       g_error_free (error);
 460     }
 461 }
 462
 463 static GdkPixbuf *
 464 create_colorized_pixbuf (GdkPixbuf *src,
 465                          GdkColor  *new_color)
 466 {
 467   gint i, j;
 468   gint width, height, has_alpha, src_row_stride, dst_row_stride;
 469   gint red_value, green_value, blue_value;
 470   guchar *target_pixels;
 471   guchar *original_pixels;
 472   guchar *pixsrc;
 473   guchar *pixdest;
 474   GdkPixbuf *dest;
 475
 476   red_value = new_color->red / 255.0;
 477   green_value = new_color->green / 255.0;
 478   blue_value = new_color->blue / 255.0;
 479
 480   dest = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (src),
 481                          gdk_pixbuf_get_has_alpha (src),
 482                          gdk_pixbuf_get_bits_per_sample (src),
 483                          gdk_pixbuf_get_width (src),
 484                          gdk_pixbuf_get_height (src));
 485
 486   has_alpha = gdk_pixbuf_get_has_alpha (src);
 487   width = gdk_pixbuf_get_width (src);
 488   height = gdk_pixbuf_get_height (src);
 489   src_row_stride = gdk_pixbuf_get_rowstride (src);
 490   dst_row_stride = gdk_pixbuf_get_rowstride (dest);
 491   target_pixels = gdk_pixbuf_get_pixels (dest);
 492   original_pixels = gdk_pixbuf_get_pixels (src);
 493
 494   for (i = 0; i < height; i++) {
 495     pixdest = target_pixels + i*dst_row_stride;
 496     pixsrc = original_pixels + i*src_row_stride;
 497     for (j = 0; j < width; j++) {
 498       *pixdest++ = (*pixsrc++ * red_value) >> 8;
 499       *pixdest++ = (*pixsrc++ * green_value) >> 8;
 500       *pixdest++ = (*pixsrc++ * blue_value) >> 8;
 501       if (has_alpha) {
 502         *pixdest++ = *pixsrc++;
 503       }
 504     }
 505   }
 506   return dest;
 507 }
 508
 509
 510 static void
 511 gtk_cell_renderer_pixbuf_get_size (GtkCellRenderer *cell,
 512                                    GtkWidget       *widget,
 513                                    GdkRectangle    *cell_area,
 514                                    gint            *x_offset,
 515                                    gint            *y_offset,
 516                                    gint            *width,
 517                                    gint            *height)
 518 {
 519   GtkCellRendererPixbuf *cellpixbuf = (GtkCellRendererPixbuf *) cell;
 520   GtkCellRendererPixbufPrivate *priv;
 521   gint pixbuf_width  = 0;
 522   gint pixbuf_height = 0;
 523   gint calc_width;
 524   gint calc_height;
 525
 526   priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (cell);
 527
 528   if (!cellpixbuf->pixbuf)
 529     {
 530       if (priv->stock_id)
 531         gtk_cell_renderer_pixbuf_create_stock_pixbuf (cellpixbuf, widget);
 532       else if (priv->icon_name)
 533         gtk_cell_renderer_pixbuf_create_named_icon_pixbuf (cellpixbuf, widget);
 534     }
 535
 536   if (cellpixbuf->pixbuf)
 537     {
 538       pixbuf_width  = gdk_pixbuf_get_width (cellpixbuf->pixbuf);
 539       pixbuf_height = gdk_pixbuf_get_height (cellpixbuf->pixbuf);
 540     }
 541   if (cellpixbuf->pixbuf_expander_open)
 542     {
 543       pixbuf_width  = MAX (pixbuf_width, gdk_pixbuf_get_width (cellpixbuf->pixbuf_expander_open));
 544       pixbuf_height = MAX (pixbuf_height, gdk_pixbuf_get_height (cellpixbuf->pixbuf_expander_open));
 545     }
 546   if (cellpixbuf->pixbuf_expander_closed)
 547     {
 548       pixbuf_width  = MAX (pixbuf_width, gdk_pixbuf_get_width (cellpixbuf->pixbuf_expander_closed));
 549       pixbuf_height = MAX (pixbuf_height, gdk_pixbuf_get_height (cellpixbuf->pixbuf_expander_closed));
 550     }
 551
 552   calc_width  = (gint) cell->xpad * 2 + pixbuf_width;
 553   calc_height = (gint) cell->ypad * 2 + pixbuf_height;
 554
 555   if (x_offset) *x_offset = 0;
 556   if (y_offset) *y_offset = 0;
 557
 558   if (cell_area && pixbuf_width > 0 && pixbuf_height > 0)
 559     {
 560       if (x_offset)
 561         {
 562           *x_offset = (((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) ?
 563                         1.0 - cell->xalign : cell->xalign) *
 564                        (cell_area->width - calc_width - 2 * cell->xpad));
 565           *x_offset = MAX (*x_offset, 0) + cell->xpad;
 566         }
 567       if (y_offset)
 568         {
 569           *y_offset = (cell->yalign *
 570                        (cell_area->height - calc_height - 2 * cell->ypad));
 571           *y_offset = MAX (*y_offset, 0) + cell->ypad;
 572         }
 573     }
 574
 575   if (width)
 576     *width = calc_width;
 577
 578   if (height)
 579     *height = calc_height;
 580 }
 581
 582 static void
 583 gtk_cell_renderer_pixbuf_render (GtkCellRenderer      *cell,
 584                                  GdkWindow            *window,
 585                                  GtkWidget            *widget,
 586                                  GdkRectangle         *background_area,
 587                                  GdkRectangle         *cell_area,
 588                                  GdkRectangle         *expose_area,
 589                                  GtkCellRendererState  flags)
 590
 591 {
 592   GtkCellRendererPixbuf *cellpixbuf = (GtkCellRendererPixbuf *) cell;
 593   GtkCellRendererPixbufPrivate *priv;
 594   GdkPixbuf *pixbuf;
 595   GdkPixbuf *invisible = NULL;
 596   GdkPixbuf *colorized = NULL;
 597   GdkRectangle pix_rect;
 598   GdkRectangle draw_rect;
 599   cairo_t *cr;
 600
 601   priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (cell);
 602
 603   gtk_cell_renderer_pixbuf_get_size (cell, widget, cell_area,
 604                                      &pix_rect.x,
 605                                      &pix_rect.y,
 606                                      &pix_rect.width,
 607                                      &pix_rect.height);
 608
 609   pix_rect.x += cell_area->x;
 610   pix_rect.y += cell_area->y;
 611   pix_rect.width  -= cell->xpad * 2;
 612   pix_rect.height -= cell->ypad * 2;
 613
 614   if (!gdk_rectangle_intersect (cell_area, &pix_rect, &draw_rect) ||
 615       !gdk_rectangle_intersect (expose_area, &draw_rect, &draw_rect))
 616     return;
 617
 618   pixbuf = cellpixbuf->pixbuf;
 619
 620   if (cell->is_expander)
 621     {
 622       if (cell->is_expanded &&
 623           cellpixbuf->pixbuf_expander_open != NULL)
 624         pixbuf = cellpixbuf->pixbuf_expander_open;
 625       else if (!cell->is_expanded &&
 626                cellpixbuf->pixbuf_expander_closed != NULL)
 627         pixbuf = cellpixbuf->pixbuf_expander_closed;
 628     }
 629
 630   if (!pixbuf)
 631     return;
 632
 633   if (GTK_WIDGET_STATE (widget) == GTK_STATE_INSENSITIVE || !cell->sensitive)
 634     {
 635       GtkIconSource *source;
 636
 637       source = gtk_icon_source_new ();
 638       gtk_icon_source_set_pixbuf (source, pixbuf);
 639       /* The size here is arbitrary; since size isn't
 640        * wildcarded in the source, it isn't supposed to be
 641        * scaled by the engine function
 642        */
 643       gtk_icon_source_set_size (source, GTK_ICON_SIZE_SMALL_TOOLBAR);
 644       gtk_icon_source_set_size_wildcarded (source, FALSE);
 645
 646      invisible = gtk_style_render_icon (widget->style,
 647                                         source,
 648                                         gtk_widget_get_direction (widget),
 649                                         GTK_STATE_INSENSITIVE,
 650                                         /* arbitrary */
 651                                         (GtkIconSize)-1,
 652                                         widget,
 653                                         "gtkcellrendererpixbuf");
 654
 655      gtk_icon_source_free (source);
 656
 657      pixbuf = invisible;
 658     }
 659   else if (priv->follow_state &&
 660            (flags & (GTK_CELL_RENDERER_SELECTED|GTK_CELL_RENDERER_PRELIT)) != 0)
 661     {
 662       GtkStateType state;
 663
 664       if ((flags & GTK_CELL_RENDERER_SELECTED) != 0)
 665         {
 666           if (GTK_WIDGET_HAS_FOCUS (widget))
 667             state = GTK_STATE_SELECTED;
 668           else
 669             state = GTK_STATE_ACTIVE;
 670         }
 671       else
 672         state = GTK_STATE_PRELIGHT;
 673
 674       colorized = create_colorized_pixbuf (pixbuf,
 675                                            &widget->style->base[state]);
 676
 677       pixbuf = colorized;
 678     }
 679
 680   cr = gdk_cairo_create (window);
 681
 682   gdk_cairo_set_source_pixbuf (cr, pixbuf, pix_rect.x, pix_rect.y);
 683   gdk_cairo_rectangle (cr, &draw_rect);
 684   cairo_fill (cr);
 685
 686   cairo_destroy (cr);
 687
 688   if (invisible)
 689     g_object_unref (invisible);
 690
 691   if (colorized)
 692     g_object_unref (colorized);
 693 }
 694
 695 #define __GTK_CELL_RENDERER_PIXBUF_C__
 696 #include "gtkaliasdef.c"