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

   1 /* gtktoolbutton.c
   2  *
   3  * Copyright (C) 2002 Anders Carlsson <andersca@codefactory.se>
   4  * Copyright (C) 2002 James Henstridge <james@daa.com.au>
   5  * Copyright (C) 2003 Soeren Sandmann <sandmann@daimi.au.dk>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the
  19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22
  23 #include "gtktoolbutton.h"
  24 #include "gtkbutton.h"
  25 #include "gtkhbox.h"
  26 #include "gtkiconfactory.h"
  27 #include "gtkimage.h"
  28 #include "gtkimagemenuitem.h"
  29 #include "gtklabel.h"
  30 #include "gtkstock.h"
  31 #include "gtkvbox.h"
  32 #include "gtkintl.h"
  33 #include "gtktoolbar.h"
  34 #include "gtkiconfactory.h"
  35
  36 #include <string.h>
  37
  38 #define MENU_ID "gtk-tool-button-menu-id"
  39
  40 enum {
  41   CLICKED,
  42   LAST_SIGNAL
  43 };
  44
  45 enum {
  46   PROP_0,
  47   PROP_LABEL,
  48   PROP_USE_UNDERLINE,
  49   PROP_LABEL_WIDGET,
  50   PROP_STOCK_ID,
  51   PROP_ICON_WIDGET,
  52 };
  53
  54 static void gtk_tool_button_init          (GtkToolButton      *button,
  55                                            GtkToolButtonClass *klass);
  56 static void gtk_tool_button_class_init    (GtkToolButtonClass *klass);
  57 static void gtk_tool_button_set_property  (GObject            *object,
  58                                            guint               prop_id,
  59                                            const GValue       *value,
  60                                            GParamSpec         *pspec);
  61 static void gtk_tool_button_get_property  (GObject            *object,
  62                                            guint               prop_id,
  63                                            GValue             *value,
  64                                            GParamSpec         *pspec);
  65 static void gtk_tool_button_finalize      (GObject            *object);
  66
  67 static void gtk_tool_button_toolbar_reconfigured (GtkToolItem *tool_item);
  68 static gboolean   gtk_tool_button_create_menu_proxy (GtkToolItem     *item);
  69 static void       button_clicked                    (GtkWidget       *widget,
  70                                                      GtkToolButton   *button);
  71
  72 static void gtk_tool_button_construct_contents (GtkToolItem *tool_item);
  73
  74 static GObjectClass *parent_class = NULL;
  75 static guint         toolbutton_signals[LAST_SIGNAL] = { 0 };
  76
  77 struct _GtkToolButtonPrivate
  78 {
  79   GtkWidget *button;
  80
  81   gchar *stock_id;
  82   gchar *label_text;
  83   GtkWidget *label_widget;
  84   GtkWidget *icon_widget;
  85
  86   guint use_underline : 1;
  87 };
  88
  89 GType
  90 gtk_tool_button_get_type (void)
  91 {
  92   static GtkType type = 0;
  93
  94   if (!type)
  95     {
  96       static const GTypeInfo type_info =
  97         {
  98           sizeof (GtkToolButtonClass),
  99           (GBaseInitFunc) NULL,
 100           (GBaseFinalizeFunc) NULL,
 101           (GClassInitFunc) gtk_tool_button_class_init,
 102           (GClassFinalizeFunc) NULL,
 103           NULL,
 104           sizeof (GtkToolButton),
 105           0, /* n_preallocs */
 106           (GInstanceInitFunc) gtk_tool_button_init,
 107         };
 108
 109       type = g_type_register_static (GTK_TYPE_TOOL_ITEM,
 110                                      "GtkToolButton",
 111                                      &type_info, 0);
 112     }
 113   return type;
 114 }
 115
 116 static void
 117 gtk_tool_button_class_init (GtkToolButtonClass *klass)
 118 {
 119   GObjectClass *object_class;
 120   GtkWidgetClass *widget_class;
 121   GtkToolItemClass *tool_item_class;
 122
 123   parent_class = g_type_class_peek_parent (klass);
 124
 125   object_class = (GObjectClass *)klass;
 126   widget_class = (GtkWidgetClass *)klass;
 127   tool_item_class = (GtkToolItemClass *)klass;
 128
 129   object_class->set_property = gtk_tool_button_set_property;
 130   object_class->get_property = gtk_tool_button_get_property;
 131   object_class->finalize = gtk_tool_button_finalize;
 132
 133   tool_item_class->create_menu_proxy = gtk_tool_button_create_menu_proxy;
 134   tool_item_class->toolbar_reconfigured = gtk_tool_button_toolbar_reconfigured;
 135
 136   klass->button_type = GTK_TYPE_BUTTON;
 137
 138   /* Properties are interpreted like this:
 139    *
 140    *          - if the tool button has an icon_widget, then that widget
 141    *            will be used as the icon. Otherwise, if the tool button
 142    *            has a stock id, the corresponding stock icon will be
 143    *            used. Otherwise, the tool button will not have an icon.
 144    *
 145    *          - if the tool button has a label_widget then that widget
 146    *            will be used as the label. Otherwise, if the tool button
 147    *            has a label text, that text will be used as label. Otherwise,
 148    *            if the toolbutton has a stock id, the corresponding text
 149    *            will be used as label. Otherwise, the toolbutton will
 150    *            have an empty label.
 151    *
 152    *          - The use_underline property only has an effect when the label
 153    *            on the toolbutton comes from the label property (ie. not from
 154    *            label_widget or from stock_id).
 155    *
 156    *            In that case, if use_underline is set,
 157    *
 158    *                    - underscores are removed from the label text before
 159    *                      the label is shown on the toolbutton unless the
 160    *                      underscore is followed by another underscore
 161    *
 162    *                    - an underscore indicates that the next character when
 163    *                      used in the overflow menu should be used as a mnemonic.
 164    *
 165    *            In short: use_underline = TRUE means that the label text has
 166    *            the form "_Open" and the toolbar should take appropriate action.
 167    */
 168
 169   g_object_class_install_property (object_class,
 170                                    PROP_LABEL,
 171                                    g_param_spec_string ("label",
 172                                                         _("Label"),
 173                                                         _("Text to show in the item."),
 174                                                         NULL,
 175                                                         G_PARAM_READWRITE));
 176   g_object_class_install_property (object_class,
 177                                    PROP_USE_UNDERLINE,
 178                                    g_param_spec_boolean ("use_underline",
 179                                                          _("Use underline"),
 180                                                          _("If set, an underline in the label property indicates that the next character should be used for the mnemonic accelerator key in the overflow menu"),
 181                                                          FALSE,
 182                                                          G_PARAM_READWRITE));
 183   g_object_class_install_property (object_class,
 184                                    PROP_LABEL_WIDGET,
 185                                    g_param_spec_object ("label_widget",
 186                                                         _("Label widget"),
 187                                                         _("Widget to use as the item label"),
 188                                                         GTK_TYPE_WIDGET,
 189                                                         G_PARAM_READWRITE));
 190   g_object_class_install_property (object_class,
 191                                    PROP_STOCK_ID,
 192                                    g_param_spec_string ("stock_id",
 193                                                         _("Stock Id"),
 194                                                         _("The stock icon displayed on the item"),
 195                                                         NULL,
 196                                                         G_PARAM_READWRITE));
 197   g_object_class_install_property (object_class,
 198                                    PROP_ICON_WIDGET,
 199                                    g_param_spec_object ("icon_widget",
 200                                                         _("Icon widget"),
 201                                                         _("Icon widget to display in the item"),
 202                                                         GTK_TYPE_WIDGET,
 203                                                         G_PARAM_READWRITE));
 204
 205   toolbutton_signals[CLICKED] =
 206     g_signal_new ("clicked",
 207                   G_OBJECT_CLASS_TYPE (klass),
 208                   G_SIGNAL_RUN_FIRST,
 209                   G_STRUCT_OFFSET (GtkToolButtonClass, clicked),
 210                   NULL, NULL,
 211                   g_cclosure_marshal_VOID__VOID,
 212                   G_TYPE_NONE, 0);
 213
 214   g_type_class_add_private (object_class, sizeof (GtkToolButtonPrivate));
 215 }
 216
 217 static void
 218 gtk_tool_button_init (GtkToolButton      *button,
 219                       GtkToolButtonClass *klass)
 220 {
 221   GtkToolItem *toolitem = GTK_TOOL_ITEM (button);
 222
 223   button->priv = GTK_TOOL_BUTTON_GET_PRIVATE (button);
 224
 225   gtk_tool_item_set_homogeneous (toolitem, TRUE);
 226
 227   /* create button */
 228   button->priv->button = g_object_new (klass->button_type, NULL);
 229   gtk_button_set_focus_on_click (GTK_BUTTON (button->priv->button), FALSE);
 230   g_signal_connect_object (button->priv->button, "clicked",
 231                            G_CALLBACK (button_clicked), button, 0);
 232
 233   gtk_container_add (GTK_CONTAINER (button), button->priv->button);
 234   gtk_widget_show (button->priv->button);
 235 }
 236
 237 static void
 238 gtk_tool_button_construct_contents (GtkToolItem *tool_item)
 239 {
 240   GtkToolButton *button = GTK_TOOL_BUTTON (tool_item);
 241   GtkWidget *label = NULL;
 242   GtkWidget *icon = NULL;
 243   GtkToolbarStyle style;
 244   gboolean need_label = FALSE;
 245   gboolean need_icon = FALSE;
 246   GtkIconSize icon_size;
 247   GtkWidget *box = NULL;
 248
 249   if (gtk_tool_item_get_proxy_menu_item (tool_item, MENU_ID))
 250     {
 251       /* Remove item, so it will be recreated on the next
 252        * create_proxy_menu_item()
 253        */
 254       gtk_tool_item_set_proxy_menu_item (tool_item, MENU_ID, NULL);
 255     }
 256
 257   if (button->priv->icon_widget && button->priv->icon_widget->parent)
 258     {
 259       gtk_container_remove (GTK_CONTAINER (button->priv->icon_widget->parent),
 260                             button->priv->icon_widget);
 261     }
 262
 263   if (button->priv->label_widget && button->priv->label_widget->parent)
 264     {
 265       gtk_container_remove (GTK_CONTAINER (button->priv->label_widget->parent),
 266                             button->priv->label_widget);
 267     }
 268
 269   if (GTK_BIN (button->priv->button)->child)
 270     {
 271       /* Note: we are not destroying the label_widget or icon_widget
 272        * here because they were removed from their containers above
 273        */
 274       gtk_widget_destroy (GTK_BIN (button->priv->button)->child);
 275     }
 276
 277   style = gtk_tool_item_get_toolbar_style (GTK_TOOL_ITEM (button));
 278
 279   if (style != GTK_TOOLBAR_TEXT)
 280     need_icon = TRUE;
 281
 282   if (style != GTK_TOOLBAR_ICONS)
 283     need_label = TRUE;
 284
 285   if (need_label)
 286     {
 287       if (button->priv->label_widget)
 288         {
 289           label = button->priv->label_widget;
 290         }
 291       else
 292         {
 293           GtkStockItem stock_item;
 294           gboolean elide;
 295           gchar *label_text;
 296
 297           if (button->priv->label_text)
 298             {
 299               label_text = button->priv->label_text;
 300               elide = button->priv->use_underline;
 301             }
 302           else if (button->priv->stock_id && gtk_stock_lookup (button->priv->stock_id, &stock_item))
 303             {
 304               label_text = stock_item.label;
 305               elide = TRUE;
 306             }
 307           else
 308             {
 309               label_text = "";
 310               elide = FALSE;
 311             }
 312
 313           if (elide)
 314             label_text = _gtk_toolbar_elide_underscores (label_text);
 315           else
 316             label_text = g_strdup (label_text);
 317
 318           label = gtk_label_new (label_text);
 319
 320           g_free (label_text);
 321
 322           gtk_widget_show (label);
 323         }
 324     }
 325
 326   icon_size = gtk_tool_item_get_icon_size (GTK_TOOL_ITEM (button));
 327   if (need_icon)
 328     {
 329       if (button->priv->icon_widget)
 330         {
 331           icon = button->priv->icon_widget;
 332
 333           if (GTK_IS_IMAGE (icon))
 334             {
 335               g_object_set (G_OBJECT (button->priv->icon_widget),
 336                             "icon-size", icon_size,
 337                             NULL);
 338             }
 339         }
 340       else if (button->priv->stock_id)
 341         {
 342           icon = gtk_image_new_from_stock (button->priv->stock_id, icon_size);
 343           gtk_widget_show (icon);
 344         }
 345     }
 346
 347   switch (style)
 348     {
 349     case GTK_TOOLBAR_ICONS:
 350       if (icon)
 351         gtk_container_add (GTK_CONTAINER (button->priv->button), icon);
 352       break;
 353
 354     case GTK_TOOLBAR_BOTH:
 355       box = gtk_vbox_new (FALSE, 0);
 356       if (icon)
 357         gtk_box_pack_start (GTK_BOX (box), icon, TRUE, TRUE, 0);
 358       gtk_box_pack_start (GTK_BOX (box), label, FALSE, TRUE, 0);
 359       gtk_container_add (GTK_CONTAINER (button->priv->button), box);
 360       break;
 361
 362     case GTK_TOOLBAR_BOTH_HORIZ:
 363       box = gtk_hbox_new (FALSE, 0);
 364       gtk_box_pack_start (GTK_BOX (box), icon, FALSE, TRUE, 0);
 365       gtk_box_pack_start (GTK_BOX (box), label, TRUE, TRUE, 0);
 366       gtk_container_add (GTK_CONTAINER (button->priv->button), box);
 367       break;
 368
 369     case GTK_TOOLBAR_TEXT:
 370       gtk_container_add (GTK_CONTAINER (button->priv->button), label);
 371       break;
 372     }
 373
 374   if (box)
 375     gtk_widget_show (box);
 376
 377   gtk_button_set_relief (GTK_BUTTON (button->priv->button),
 378                          gtk_tool_item_get_relief_style (GTK_TOOL_ITEM (button)));
 379
 380   gtk_widget_queue_resize (GTK_WIDGET (button));
 381 }
 382
 383 static void
 384 gtk_tool_button_set_property (GObject         *object,
 385                               guint            prop_id,
 386                               const GValue    *value,
 387                               GParamSpec      *pspec)
 388 {
 389   GtkToolButton *button = GTK_TOOL_BUTTON (object);
 390
 391   switch (prop_id)
 392     {
 393     case PROP_LABEL:
 394       gtk_tool_button_set_label (button, g_value_get_string (value));
 395       break;
 396     case PROP_USE_UNDERLINE:
 397       gtk_tool_button_set_use_underline (button, g_value_get_boolean (value));
 398       break;
 399     case PROP_LABEL_WIDGET:
 400       gtk_tool_button_set_label_widget (button, g_value_get_object (value));
 401       break;
 402     case PROP_STOCK_ID:
 403       gtk_tool_button_set_stock_id (button, g_value_get_string (value));
 404       break;
 405     case PROP_ICON_WIDGET:
 406       gtk_tool_button_set_icon_widget (button, g_value_get_object (value));
 407       break;
 408     default:
 409       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 410     }
 411 }
 412
 413 static void
 414 gtk_tool_button_get_property (GObject         *object,
 415                               guint            prop_id,
 416                               GValue          *value,
 417                               GParamSpec      *pspec)
 418 {
 419   GtkToolButton *button = GTK_TOOL_BUTTON (object);
 420
 421   switch (prop_id)
 422     {
 423     case PROP_LABEL:
 424       g_value_set_string (value, gtk_tool_button_get_label (button));
 425       break;
 426     case PROP_LABEL_WIDGET:
 427       g_value_set_object (value, gtk_tool_button_get_label_widget (button));
 428       break;
 429     case PROP_USE_UNDERLINE:
 430       g_value_set_boolean (value, gtk_tool_button_get_use_underline (button));
 431       break;
 432     case PROP_STOCK_ID:
 433       g_value_set_string (value, button->priv->stock_id);
 434       break;
 435     case PROP_ICON_WIDGET:
 436       g_value_set_object (value, button->priv->icon_widget);
 437       break;
 438     default:
 439       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 440     }
 441 }
 442
 443 static void
 444 gtk_tool_button_finalize (GObject *object)
 445 {
 446   GtkToolButton *button = GTK_TOOL_BUTTON (object);
 447
 448   if (button->priv->stock_id)
 449     g_free (button->priv->stock_id);
 450
 451   if (button->priv->label_text)
 452     g_free (button->priv->label_text);
 453
 454   if (button->priv->label_widget)
 455     g_object_unref (G_OBJECT (button->priv->label_widget));
 456
 457   if (button->priv->icon_widget)
 458     g_object_unref (G_OBJECT (button->priv->icon_widget));
 459
 460   parent_class->finalize (object);
 461 }
 462
 463 static GtkWidget *
 464 clone_image_menu_size (GtkImage *image, GtkSettings *settings)
 465 {
 466   GtkImageType storage_type = gtk_image_get_storage_type (image);
 467
 468   if (storage_type == GTK_IMAGE_STOCK)
 469     {
 470       gchar *stock_id;
 471       gtk_image_get_stock (image, &stock_id, NULL);
 472       return gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_MENU);
 473     }
 474   else if (storage_type == GTK_IMAGE_ICON_SET)
 475     {
 476       GtkIconSet *icon_set;
 477       gtk_image_get_icon_set (image, &icon_set, NULL);
 478       return gtk_image_new_from_icon_set (icon_set, GTK_ICON_SIZE_MENU);
 479     }
 480   else if (storage_type == GTK_IMAGE_PIXBUF)
 481     {
 482       gint width, height;
 483
 484       if (settings &&
 485           gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_MENU,
 486                                              &width, &height))
 487         {
 488           GdkPixbuf *src_pixbuf, *dest_pixbuf;
 489
 490           src_pixbuf = gtk_image_get_pixbuf (image);
 491           dest_pixbuf = gdk_pixbuf_scale_simple (src_pixbuf, width, height,
 492                                                  GDK_INTERP_BILINEAR);
 493
 494           return gtk_image_new_from_pixbuf (dest_pixbuf);
 495         }
 496     }
 497
 498   return NULL;
 499 }
 500
 501 static gboolean
 502 gtk_tool_button_create_menu_proxy (GtkToolItem *item)
 503 {
 504   GtkToolButton *button = GTK_TOOL_BUTTON (item);
 505   GtkWidget *menu_item;
 506   GtkWidget *menu_image = NULL;
 507   GtkStockItem stock_item;
 508   gboolean use_mnemonic = TRUE;
 509   const char *label;
 510
 511   if (button->priv->label_widget && GTK_IS_LABEL (button->priv->label_widget))
 512     {
 513       label = gtk_label_get_label (GTK_LABEL (button->priv->label_widget));
 514       use_mnemonic = gtk_label_get_use_underline (GTK_LABEL (button->priv->label_widget));
 515     }
 516   else if (button->priv->label_text)
 517     {
 518       label = button->priv->label_text;
 519       use_mnemonic = button->priv->use_underline;
 520     }
 521   else if (button->priv->stock_id && gtk_stock_lookup (button->priv->stock_id, &stock_item))
 522     {
 523       label = stock_item.label;
 524       use_mnemonic = FALSE;
 525     }
 526   else
 527     {
 528       label = "";
 529       use_mnemonic = FALSE;
 530     }
 531
 532   if (use_mnemonic)
 533     menu_item = gtk_image_menu_item_new_with_mnemonic (label);
 534   else
 535     menu_item = gtk_image_menu_item_new_with_label (label);
 536
 537   if (button->priv->icon_widget && GTK_IS_IMAGE (button->priv->icon_widget))
 538     {
 539       menu_image = clone_image_menu_size (GTK_IMAGE (button->priv->icon_widget),
 540                                           gtk_widget_get_settings (GTK_WIDGET (button)));
 541     }
 542   else if (button->priv->stock_id)
 543     {
 544       menu_image = gtk_image_new_from_stock (button->priv->stock_id, GTK_ICON_SIZE_MENU);
 545     }
 546
 547   if (menu_image)
 548     gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (menu_item), menu_image);
 549
 550   g_signal_connect_closure_by_id (menu_item,
 551                                   g_signal_lookup ("activate", G_OBJECT_TYPE (menu_item)), 0,
 552                                   g_cclosure_new_object_swap (G_CALLBACK (gtk_button_clicked),
 553                                                               G_OBJECT (GTK_TOOL_BUTTON (button)->priv->button)),
 554                                   FALSE);
 555
 556   gtk_tool_item_set_proxy_menu_item (GTK_TOOL_ITEM (button), MENU_ID, menu_item);
 557
 558   return TRUE;
 559 }
 560
 561 static void
 562 button_clicked (GtkWidget     *widget,
 563                 GtkToolButton *button)
 564 {
 565   g_signal_emit_by_name (button, "clicked");
 566 }
 567
 568 static void
 569 gtk_tool_button_toolbar_reconfigured (GtkToolItem *tool_item)
 570 {
 571   gtk_tool_button_construct_contents (tool_item);
 572 }
 573
 574 GtkToolItem *
 575 gtk_tool_button_new_from_stock (const gchar *stock_id)
 576 {
 577   GtkToolButton *button;
 578
 579   g_return_val_if_fail (stock_id != NULL, NULL);
 580
 581   button = g_object_new (GTK_TYPE_TOOL_BUTTON,
 582                          "stock_id", stock_id,
 583                          NULL);
 584
 585   return GTK_TOOL_ITEM (button);
 586 }
 587
 588 GtkToolItem *
 589 gtk_tool_button_new (const gchar *label,
 590                      GtkWidget   *icon_widget)
 591 {
 592   GtkToolButton *button;
 593
 594   button = g_object_new (GTK_TYPE_TOOL_BUTTON,
 595                          NULL);
 596
 597   if (label)
 598     gtk_tool_button_set_label (button, label);
 599
 600   if (icon_widget)
 601     gtk_tool_button_set_icon_widget (button, icon_widget);
 602
 603   return GTK_TOOL_ITEM (button);
 604 }
 605
 606 void
 607 gtk_tool_button_set_label (GtkToolButton *button,
 608                            const gchar   *label)
 609 {
 610   gchar *old_label;
 611
 612   g_return_if_fail (GTK_IS_TOOL_BUTTON (button));
 613
 614   old_label = button->priv->label_text;
 615
 616   button->priv->label_text = g_strdup (label);
 617   gtk_tool_button_construct_contents (GTK_TOOL_ITEM (button));
 618
 619   g_object_notify (G_OBJECT (button), "label");
 620
 621   if (old_label)
 622     g_free (old_label);
 623 }
 624
 625 G_CONST_RETURN gchar *
 626 gtk_tool_button_get_label (GtkToolButton *button)
 627 {
 628   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL);
 629
 630   return button->priv->label_text;
 631 }
 632
 633 void
 634 gtk_tool_button_set_use_underline (GtkToolButton *button,
 635                                    gboolean       use_underline)
 636 {
 637   g_return_if_fail (GTK_IS_TOOL_BUTTON (button));
 638
 639   use_underline = use_underline != FALSE;
 640
 641   if (use_underline != button->priv->use_underline)
 642     {
 643       button->priv->use_underline = use_underline;
 644
 645       gtk_tool_button_construct_contents (GTK_TOOL_ITEM (button));
 646
 647       g_object_notify (G_OBJECT (button), "use_underline");
 648     }
 649 }
 650
 651 gboolean
 652 gtk_tool_button_get_use_underline (GtkToolButton *button)
 653 {
 654   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), FALSE);
 655
 656   return button->priv->use_underline;
 657 }
 658
 659 void
 660 gtk_tool_button_set_stock_id (GtkToolButton *button,
 661                               const gchar   *stock_id)
 662 {
 663   gchar *old_stock_id;
 664
 665   g_return_if_fail (GTK_IS_TOOL_BUTTON (button));
 666
 667   old_stock_id = button->priv->stock_id;
 668
 669   button->priv->stock_id = g_strdup (stock_id);
 670   gtk_tool_button_construct_contents (GTK_TOOL_ITEM (button));
 671
 672   g_object_notify (G_OBJECT (button), "stock_id");
 673
 674   g_free (old_stock_id);
 675 }
 676
 677 G_CONST_RETURN gchar *
 678 gtk_tool_button_get_stock_id (GtkToolButton *button)
 679 {
 680   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL);
 681
 682   return button->priv->stock_id;
 683 }
 684
 685 void
 686 gtk_tool_button_set_icon_widget (GtkToolButton *button,
 687                                  GtkWidget     *icon)
 688 {
 689   g_return_if_fail (GTK_IS_TOOL_BUTTON (button));
 690   g_return_if_fail (icon == NULL || GTK_IS_WIDGET (icon));
 691
 692   if (icon != button->priv->icon_widget)
 693     {
 694       if (button->priv->icon_widget)
 695         g_object_unref (G_OBJECT (button->priv->icon_widget));
 696
 697       if (icon)
 698         {
 699           g_object_ref (icon);
 700           gtk_object_sink (GTK_OBJECT (icon));
 701         }
 702
 703       button->priv->icon_widget = icon;
 704
 705       gtk_tool_button_construct_contents (GTK_TOOL_ITEM (button));
 706
 707       g_object_notify (G_OBJECT (button), "icon_widget");
 708     }
 709 }
 710
 711 void
 712 gtk_tool_button_set_label_widget (GtkToolButton *button,
 713                                   GtkWidget     *label_widget)
 714 {
 715   g_return_if_fail (GTK_IS_TOOL_BUTTON (button));
 716   g_return_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget));
 717
 718   if (label_widget != button->priv->label_widget)
 719     {
 720       if (button->priv->label_widget)
 721         g_object_unref (button->priv->label_widget);
 722
 723       if (label_widget)
 724         {
 725           g_object_ref (label_widget);
 726           gtk_object_sink (GTK_OBJECT (label_widget));
 727         }
 728
 729       button->priv->label_widget = label_widget;
 730
 731       gtk_tool_button_construct_contents (GTK_TOOL_ITEM (button));
 732
 733       g_object_notify (G_OBJECT (button), "label_widget");
 734     }
 735 }
 736
 737 GtkWidget *
 738 gtk_tool_button_get_label_widget (GtkToolButton *button)
 739 {
 740   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL);
 741
 742   return button->priv->label_widget;
 743 }
 744
 745 GtkWidget *
 746 gtk_tool_button_get_icon_widget (GtkToolButton *button)
 747 {
 748   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL);
 749
 750   return button->priv->icon_widget;
 751 }
 752
 753 GtkWidget *
 754 _gtk_tool_button_get_button (GtkToolButton *button)
 755 {
 756   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL);
 757
 758   return button->priv->button;
 759 }