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

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 2001 Red Hat, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GTK+ Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #include <config.h>
  28 #include "gtkimagemenuitem.h"
  29 #include "gtkaccellabel.h"
  30 #include "gtkintl.h"
  31 #include "gtkstock.h"
  32 #include "gtkiconfactory.h"
  33 #include "gtkimage.h"
  34 #include "gtkmenubar.h"
  35 #include "gtkcontainer.h"
  36 #include "gtkwindow.h"
  37 #include "gtkprivate.h"
  38 #include "gtkalias.h"
  39
  40 static void gtk_image_menu_item_class_init           (GtkImageMenuItemClass *klass);
  41 static void gtk_image_menu_item_init                 (GtkImageMenuItem      *image_menu_item);
  42 static void gtk_image_menu_item_size_request         (GtkWidget        *widget,
  43                                                       GtkRequisition   *requisition);
  44 static void gtk_image_menu_item_size_allocate        (GtkWidget        *widget,
  45                                                       GtkAllocation    *allocation);
  46 static void gtk_image_menu_item_remove               (GtkContainer          *container,
  47                                                       GtkWidget             *child);
  48 static void gtk_image_menu_item_toggle_size_request  (GtkMenuItem           *menu_item,
  49                                                       gint                  *requisition);
  50
  51 static void gtk_image_menu_item_forall     (GtkContainer   *container,
  52                                             gboolean        include_internals,
  53                                             GtkCallback     callback,
  54                                             gpointer        callback_data);
  55
  56 static void gtk_image_menu_item_set_property (GObject         *object,
  57                                               guint            prop_id,
  58                                               const GValue    *value,
  59                                               GParamSpec      *pspec);
  60 static void gtk_image_menu_item_get_property (GObject         *object,
  61                                               guint            prop_id,
  62                                               GValue          *value,
  63                                               GParamSpec      *pspec);
  64 static void gtk_image_menu_item_screen_changed (GtkWidget        *widget,
  65                                                 GdkScreen        *previous_screen);
  66
  67
  68 enum {
  69   PROP_ZERO,
  70   PROP_IMAGE
  71 };
  72
  73 static GtkMenuItemClass *parent_class = NULL;
  74
  75 GType
  76 gtk_image_menu_item_get_type (void)
  77 {
  78   static GType image_menu_item_type = 0;
  79
  80   if (!image_menu_item_type)
  81     {
  82       static const GTypeInfo image_menu_item_info =
  83       {
  84         sizeof (GtkImageMenuItemClass),
  85         NULL,           /* base_init */
  86         NULL,           /* base_finalize */
  87         (GClassInitFunc) gtk_image_menu_item_class_init,
  88         NULL,           /* class_finalize */
  89         NULL,           /* class_data */
  90         sizeof (GtkImageMenuItem),
  91         0,              /* n_preallocs */
  92         (GInstanceInitFunc) gtk_image_menu_item_init,
  93       };
  94
  95       image_menu_item_type =
  96         g_type_register_static (GTK_TYPE_MENU_ITEM, g_intern_static_string ("GtkImageMenuItem"),
  97                                 &image_menu_item_info, 0);
  98     }
  99
 100   return image_menu_item_type;
 101 }
 102
 103 static void
 104 gtk_image_menu_item_class_init (GtkImageMenuItemClass *klass)
 105 {
 106   GObjectClass *gobject_class;
 107   GtkWidgetClass *widget_class;
 108   GtkMenuItemClass *menu_item_class;
 109   GtkContainerClass *container_class;
 110
 111   gobject_class = (GObjectClass*) klass;
 112   widget_class = (GtkWidgetClass*) klass;
 113   menu_item_class = (GtkMenuItemClass*) klass;
 114   container_class = (GtkContainerClass*) klass;
 115
 116   parent_class = g_type_class_peek_parent (klass);
 117
 118   widget_class->screen_changed = gtk_image_menu_item_screen_changed;
 119   widget_class->size_request = gtk_image_menu_item_size_request;
 120   widget_class->size_allocate = gtk_image_menu_item_size_allocate;
 121
 122   container_class->forall = gtk_image_menu_item_forall;
 123   container_class->remove = gtk_image_menu_item_remove;
 124
 125   menu_item_class->toggle_size_request = gtk_image_menu_item_toggle_size_request;
 126
 127   gobject_class->set_property = gtk_image_menu_item_set_property;
 128   gobject_class->get_property = gtk_image_menu_item_get_property;
 129
 130   g_object_class_install_property (gobject_class,
 131                                    PROP_IMAGE,
 132                                    g_param_spec_object ("image",
 133                                                         P_("Image widget"),
 134                                                         P_("Child widget to appear next to the menu text"),
 135                                                         GTK_TYPE_WIDGET,
 136                                                         GTK_PARAM_READWRITE));
 137
 138   gtk_settings_install_property (g_param_spec_boolean ("gtk-menu-images",
 139                                                        P_("Show menu images"),
 140                                                        P_("Whether images should be shown in menus"),
 141                                                        TRUE,
 142                                                        GTK_PARAM_READWRITE));
 143
 144 }
 145
 146 static void
 147 gtk_image_menu_item_init (GtkImageMenuItem *image_menu_item)
 148 {
 149   image_menu_item->image = NULL;
 150 }
 151
 152 static void
 153 gtk_image_menu_item_set_property (GObject         *object,
 154                                   guint            prop_id,
 155                                   const GValue    *value,
 156                                   GParamSpec      *pspec)
 157 {
 158   GtkImageMenuItem *image_menu_item = GTK_IMAGE_MENU_ITEM (object);
 159
 160   switch (prop_id)
 161     {
 162     case PROP_IMAGE:
 163       {
 164         GtkWidget *image;
 165
 166         image = (GtkWidget*) g_value_get_object (value);
 167
 168         gtk_image_menu_item_set_image (image_menu_item, image);
 169       }
 170       break;
 171     default:
 172       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 173       break;
 174     }
 175 }
 176 static void
 177 gtk_image_menu_item_get_property (GObject         *object,
 178                                   guint            prop_id,
 179                                   GValue          *value,
 180                                   GParamSpec      *pspec)
 181 {
 182   GtkImageMenuItem *image_menu_item = GTK_IMAGE_MENU_ITEM (object);
 183
 184   switch (prop_id)
 185     {
 186     case PROP_IMAGE:
 187       g_value_set_object (value,
 188                           (GObject*) image_menu_item->image);
 189       break;
 190     default:
 191       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 192       break;
 193     }
 194 }
 195
 196 static gboolean
 197 show_image (GtkImageMenuItem *image_menu_item)
 198 {
 199   GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (image_menu_item));
 200   gboolean show;
 201
 202   g_object_get (settings, "gtk-menu-images", &show, NULL);
 203
 204   return show;
 205 }
 206
 207 static void
 208 gtk_image_menu_item_toggle_size_request (GtkMenuItem *menu_item,
 209                                          gint        *requisition)
 210 {
 211   GtkImageMenuItem *image_menu_item = GTK_IMAGE_MENU_ITEM (menu_item);
 212   GtkPackDirection pack_dir;
 213
 214   if (GTK_IS_MENU_BAR (GTK_WIDGET (menu_item)->parent))
 215     pack_dir = gtk_menu_bar_get_child_pack_direction (GTK_MENU_BAR (GTK_WIDGET (menu_item)->parent));
 216   else
 217     pack_dir = GTK_PACK_DIRECTION_LTR;
 218
 219   *requisition = 0;
 220
 221   if (image_menu_item->image && show_image (image_menu_item))
 222     {
 223       GtkRequisition image_requisition;
 224       guint toggle_spacing;
 225       gtk_widget_get_child_requisition (image_menu_item->image,
 226                                         &image_requisition);
 227
 228       gtk_widget_style_get (GTK_WIDGET (menu_item),
 229                             "toggle-spacing", &toggle_spacing,
 230                             NULL);
 231
 232       if (pack_dir == GTK_PACK_DIRECTION_LTR || pack_dir == GTK_PACK_DIRECTION_RTL)
 233         {
 234           if (image_requisition.width > 0)
 235             *requisition = image_requisition.width + toggle_spacing;
 236         }
 237       else
 238         {
 239           if (image_requisition.height > 0)
 240             *requisition = image_requisition.height + toggle_spacing;
 241         }
 242     }
 243 }
 244
 245
 246 static void
 247 gtk_image_menu_item_size_request (GtkWidget      *widget,
 248                                   GtkRequisition *requisition)
 249 {
 250   GtkImageMenuItem *image_menu_item;
 251   gint child_width = 0;
 252   gint child_height = 0;
 253   GtkPackDirection pack_dir;
 254
 255   if (GTK_IS_MENU_BAR (widget->parent))
 256     pack_dir = gtk_menu_bar_get_child_pack_direction (GTK_MENU_BAR (widget->parent));
 257   else
 258     pack_dir = GTK_PACK_DIRECTION_LTR;
 259
 260   image_menu_item = GTK_IMAGE_MENU_ITEM (widget);
 261
 262   if (image_menu_item->image &&
 263       GTK_WIDGET_VISIBLE (image_menu_item->image) &&
 264       show_image (image_menu_item))
 265     {
 266       GtkRequisition child_requisition;
 267
 268       gtk_widget_size_request (image_menu_item->image,
 269                                &child_requisition);
 270
 271       child_width = child_requisition.width;
 272       child_height = child_requisition.height;
 273     }
 274
 275   (* GTK_WIDGET_CLASS (parent_class)->size_request) (widget, requisition);
 276
 277   /* not done with height since that happens via the
 278    * toggle_size_request
 279    */
 280   if (pack_dir == GTK_PACK_DIRECTION_LTR || pack_dir == GTK_PACK_DIRECTION_RTL)
 281     requisition->height = MAX (requisition->height, child_height);
 282   else
 283     requisition->width = MAX (requisition->width, child_width);
 284
 285
 286   /* Note that GtkMenuShell always size requests before
 287    * toggle_size_request, so toggle_size_request will be able to use
 288    * image_menu_item->image->requisition
 289    */
 290 }
 291
 292 static void
 293 gtk_image_menu_item_size_allocate (GtkWidget     *widget,
 294                                    GtkAllocation *allocation)
 295 {
 296   GtkImageMenuItem *image_menu_item;
 297   GtkPackDirection pack_dir;
 298
 299   if (GTK_IS_MENU_BAR (widget->parent))
 300     pack_dir = gtk_menu_bar_get_child_pack_direction (GTK_MENU_BAR (widget->parent));
 301   else
 302     pack_dir = GTK_PACK_DIRECTION_LTR;
 303
 304   image_menu_item = GTK_IMAGE_MENU_ITEM (widget);
 305
 306   (* GTK_WIDGET_CLASS (parent_class)->size_allocate) (widget, allocation);
 307
 308   if (image_menu_item->image && show_image (image_menu_item))
 309     {
 310       gint x, y, offset;
 311       GtkRequisition child_requisition;
 312       GtkAllocation child_allocation;
 313       guint horizontal_padding, toggle_spacing;
 314
 315       gtk_widget_style_get (widget,
 316                             "horizontal-padding", &horizontal_padding,
 317                             "toggle-spacing", &toggle_spacing,
 318                             NULL);
 319
 320       /* Man this is lame hardcoding action, but I can't
 321        * come up with a solution that's really better.
 322        */
 323
 324       gtk_widget_get_child_requisition (image_menu_item->image,
 325                                         &child_requisition);
 326
 327       if (pack_dir == GTK_PACK_DIRECTION_LTR ||
 328           pack_dir == GTK_PACK_DIRECTION_RTL)
 329         {
 330           offset = GTK_CONTAINER (image_menu_item)->border_width +
 331             widget->style->xthickness;
 332
 333           if ((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) ==
 334               (pack_dir == GTK_PACK_DIRECTION_LTR))
 335             x = offset + horizontal_padding +
 336               (GTK_MENU_ITEM (image_menu_item)->toggle_size -
 337                toggle_spacing - child_requisition.width) / 2;
 338           else
 339             x = widget->allocation.width - offset - horizontal_padding -
 340               GTK_MENU_ITEM (image_menu_item)->toggle_size + toggle_spacing +
 341               (GTK_MENU_ITEM (image_menu_item)->toggle_size -
 342                toggle_spacing - child_requisition.width) / 2;
 343
 344           y = (widget->allocation.height - child_requisition.height) / 2;
 345         }
 346       else
 347         {
 348           offset = GTK_CONTAINER (image_menu_item)->border_width +
 349             widget->style->ythickness;
 350
 351           if ((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) ==
 352               (pack_dir == GTK_PACK_DIRECTION_TTB))
 353             y = offset + horizontal_padding +
 354               (GTK_MENU_ITEM (image_menu_item)->toggle_size -
 355                toggle_spacing - child_requisition.height) / 2;
 356           else
 357             y = widget->allocation.height - offset - horizontal_padding -
 358               GTK_MENU_ITEM (image_menu_item)->toggle_size + toggle_spacing +
 359               (GTK_MENU_ITEM (image_menu_item)->toggle_size -
 360                toggle_spacing - child_requisition.height) / 2;
 361
 362           x = (widget->allocation.width - child_requisition.width) / 2;
 363         }
 364
 365       child_allocation.width = child_requisition.width;
 366       child_allocation.height = child_requisition.height;
 367       child_allocation.x = widget->allocation.x + MAX (x, 0);
 368       child_allocation.y = widget->allocation.y + MAX (y, 0);
 369
 370       gtk_widget_size_allocate (image_menu_item->image, &child_allocation);
 371     }
 372 }
 373
 374 static void
 375 gtk_image_menu_item_forall (GtkContainer   *container,
 376                             gboolean        include_internals,
 377                             GtkCallback     callback,
 378                             gpointer        callback_data)
 379 {
 380   GtkImageMenuItem *image_menu_item = GTK_IMAGE_MENU_ITEM (container);
 381
 382   (* GTK_CONTAINER_CLASS (parent_class)->forall) (container,
 383                                                   include_internals,
 384                                                   callback,
 385                                                   callback_data);
 386
 387   if (image_menu_item->image)
 388     (* callback) (image_menu_item->image, callback_data);
 389 }
 390
 391 /**
 392  * gtk_image_menu_item_new:
 393  * @returns: a new #GtkImageMenuItem.
 394  *
 395  * Creates a new #GtkImageMenuItem with an empty label.
 396  **/
 397 GtkWidget*
 398 gtk_image_menu_item_new (void)
 399 {
 400   return g_object_new (GTK_TYPE_IMAGE_MENU_ITEM, NULL);
 401 }
 402
 403 /**
 404  * gtk_image_menu_item_new_with_label:
 405  * @label: the text of the menu item.
 406  * @returns: a new #GtkImageMenuItem.
 407  *
 408  * Creates a new #GtkImageMenuItem containing a label.
 409  **/
 410 GtkWidget*
 411 gtk_image_menu_item_new_with_label (const gchar *label)
 412 {
 413   GtkImageMenuItem *image_menu_item;
 414   GtkWidget *accel_label;
 415
 416   image_menu_item = g_object_new (GTK_TYPE_IMAGE_MENU_ITEM, NULL);
 417
 418   accel_label = gtk_accel_label_new (label);
 419   gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
 420
 421   gtk_container_add (GTK_CONTAINER (image_menu_item), accel_label);
 422   gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label),
 423                                     GTK_WIDGET (image_menu_item));
 424   gtk_widget_show (accel_label);
 425
 426   return GTK_WIDGET(image_menu_item);
 427 }
 428
 429
 430 /**
 431  * gtk_image_menu_item_new_with_mnemonic:
 432  * @label: the text of the menu item, with an underscore in front of the
 433  *         mnemonic character
 434  * @returns: a new #GtkImageMenuItem
 435  *
 436  * Creates a new #GtkImageMenuItem containing a label. The label
 437  * will be created using gtk_label_new_with_mnemonic(), so underscores
 438  * in @label indicate the mnemonic for the menu item.
 439  **/
 440 GtkWidget*
 441 gtk_image_menu_item_new_with_mnemonic (const gchar *label)
 442 {
 443   GtkImageMenuItem *image_menu_item;
 444   GtkWidget *accel_label;
 445
 446   image_menu_item = g_object_new (GTK_TYPE_IMAGE_MENU_ITEM, NULL);
 447
 448   accel_label = g_object_new (GTK_TYPE_ACCEL_LABEL, NULL);
 449   gtk_label_set_text_with_mnemonic (GTK_LABEL (accel_label), label);
 450   gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
 451
 452   gtk_container_add (GTK_CONTAINER (image_menu_item), accel_label);
 453   gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label),
 454                                     GTK_WIDGET (image_menu_item));
 455   gtk_widget_show (accel_label);
 456
 457   return GTK_WIDGET(image_menu_item);
 458 }
 459
 460 /**
 461  * gtk_image_menu_item_new_from_stock:
 462  * @stock_id: the name of the stock item.
 463  * @accel_group: the #GtkAccelGroup to add the menu items accelerator to,
 464  *   or %NULL.
 465  * @returns: a new #GtkImageMenuItem.
 466  *
 467  * Creates a new #GtkImageMenuItem containing the image and text from a
 468  * stock item. Some stock ids have preprocessor macros like #GTK_STOCK_OK
 469  * and #GTK_STOCK_APPLY.
 470  *
 471  * If you want this menu item to have changeable accelerators, then pass in
 472  * %NULL for accel_group. Next call gtk_menu_item_set_accel_path() with an
 473  * appropriate path for the menu item, use gtk_stock_lookup() to look up the
 474  * standard accelerator for the stock item, and if one is found, call
 475  * gtk_accel_map_add_entry() to register it.
 476  **/
 477 GtkWidget*
 478 gtk_image_menu_item_new_from_stock (const gchar      *stock_id,
 479                                     GtkAccelGroup    *accel_group)
 480 {
 481   GtkWidget *image;
 482   GtkStockItem stock_item;
 483   GtkWidget *item;
 484
 485   g_return_val_if_fail (stock_id != NULL, NULL);
 486
 487   image = gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_MENU);
 488
 489   if (gtk_stock_lookup (stock_id, &stock_item))
 490     {
 491       item = gtk_image_menu_item_new_with_mnemonic (stock_item.label);
 492
 493       gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
 494
 495       if (stock_item.keyval && accel_group)
 496         gtk_widget_add_accelerator (item,
 497                                     "activate",
 498                                     accel_group,
 499                                     stock_item.keyval,
 500                                     stock_item.modifier,
 501                                     GTK_ACCEL_VISIBLE);
 502     }
 503   else
 504     {
 505       item = gtk_image_menu_item_new_with_mnemonic (stock_id);
 506
 507       gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
 508     }
 509
 510   gtk_widget_show (image);
 511   return item;
 512 }
 513
 514 /**
 515  * gtk_image_menu_item_set_image:
 516  * @image_menu_item: a #GtkImageMenuItem.
 517  * @image: a widget to set as the image for the menu item.
 518  *
 519  * Sets the image of @image_menu_item to the given widget.
 520  * Note that it depends on the show-menu-images setting whether
 521  * the image will be displayed or not.
 522  **/
 523 void
 524 gtk_image_menu_item_set_image (GtkImageMenuItem *image_menu_item,
 525                                GtkWidget        *image)
 526 {
 527   g_return_if_fail (GTK_IS_IMAGE_MENU_ITEM (image_menu_item));
 528
 529   if (image == image_menu_item->image)
 530     return;
 531
 532   if (image_menu_item->image)
 533     gtk_container_remove (GTK_CONTAINER (image_menu_item),
 534                           image_menu_item->image);
 535
 536   image_menu_item->image = image;
 537
 538   if (image == NULL)
 539     return;
 540
 541   gtk_widget_set_parent (image, GTK_WIDGET (image_menu_item));
 542   g_object_set (image,
 543                 "visible", show_image (image_menu_item),
 544                 "no-show-all", TRUE,
 545                 NULL);
 546
 547   g_object_notify (G_OBJECT (image_menu_item), "image");
 548 }
 549
 550 /**
 551  * gtk_image_menu_item_get_image:
 552  * @image_menu_item: a #GtkImageMenuItem.
 553  * @returns: the widget set as image of @image_menu_item.
 554  *
 555  * Gets the widget that is currently set as the image of @image_menu_item.
 556  * See gtk_image_menu_item_set_image().
 557  **/
 558 GtkWidget*
 559 gtk_image_menu_item_get_image (GtkImageMenuItem *image_menu_item)
 560 {
 561   g_return_val_if_fail (GTK_IS_IMAGE_MENU_ITEM (image_menu_item), NULL);
 562
 563   return image_menu_item->image;
 564 }
 565
 566 static void
 567 gtk_image_menu_item_remove (GtkContainer *container,
 568                             GtkWidget    *child)
 569 {
 570   GtkImageMenuItem *image_menu_item;
 571
 572   image_menu_item = GTK_IMAGE_MENU_ITEM (container);
 573
 574   if (child == image_menu_item->image)
 575     {
 576       gboolean widget_was_visible;
 577
 578       widget_was_visible = GTK_WIDGET_VISIBLE (child);
 579
 580       gtk_widget_unparent (child);
 581       image_menu_item->image = NULL;
 582
 583       if (GTK_WIDGET_VISIBLE (container) && widget_was_visible)
 584         gtk_widget_queue_resize (GTK_WIDGET (container));
 585
 586       g_object_notify (G_OBJECT (image_menu_item), "image");
 587     }
 588   else
 589     {
 590       (* GTK_CONTAINER_CLASS (parent_class)->remove) (container, child);
 591     }
 592 }
 593
 594 static void
 595 show_image_change_notify (GtkImageMenuItem *image_menu_item)
 596 {
 597   if (image_menu_item->image)
 598     {
 599       if (show_image (image_menu_item))
 600         gtk_widget_show (image_menu_item->image);
 601       else
 602         gtk_widget_hide (image_menu_item->image);
 603     }
 604 }
 605
 606 static void
 607 traverse_container (GtkWidget *widget,
 608                     gpointer   data)
 609 {
 610   if (GTK_IS_IMAGE_MENU_ITEM (widget))
 611     show_image_change_notify (GTK_IMAGE_MENU_ITEM (widget));
 612   else if (GTK_IS_CONTAINER (widget))
 613     gtk_container_forall (GTK_CONTAINER (widget), traverse_container, NULL);
 614 }
 615
 616 static void
 617 gtk_image_menu_item_setting_changed (GtkSettings *settings)
 618 {
 619   GList *list, *l;
 620
 621   list = gtk_window_list_toplevels ();
 622
 623   for (l = list; l; l = l->next)
 624     gtk_container_forall (GTK_CONTAINER (l->data),
 625                           traverse_container, NULL);
 626
 627   g_list_free (list);
 628 }
 629
 630 static void
 631 gtk_image_menu_item_screen_changed (GtkWidget *widget,
 632                                     GdkScreen *previous_screen)
 633 {
 634   GtkSettings *settings;
 635   guint show_image_connection;
 636
 637   if (!gtk_widget_has_screen (widget))
 638     return;
 639
 640   settings = gtk_widget_get_settings (widget);
 641
 642   show_image_connection =
 643     GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (settings),
 644                                          "gtk-image-menu-item-connection"));
 645
 646   if (show_image_connection)
 647     return;
 648
 649   show_image_connection =
 650     g_signal_connect (settings, "notify::gtk-menu-images",
 651                       G_CALLBACK (gtk_image_menu_item_setting_changed), 0);
 652   g_object_set_data (G_OBJECT (settings),
 653                      g_intern_static_string ("gtk-image-menu-item-connection"),
 654                      GUINT_TO_POINTER (show_image_connection));
 655
 656   show_image_change_notify (GTK_IMAGE_MENU_ITEM (widget));
 657 }
 658
 659 #define __GTK_IMAGE_MENU_ITEM_C__
 660 #include "gtkaliasdef.c"