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