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

   1 /* gtktoolbutton.c
   2  *
   3  * Copyright (C) 2002 Anders Carlsson <andersca@gnome.org>
   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 <config.h>
  24 #include "gtktoolbutton.h"
  25 #include "gtkbutton.h"
  26 #include "gtkhbox.h"
  27 #include "gtkiconfactory.h"
  28 #include "gtkimage.h"
  29 #include "gtkimagemenuitem.h"
  30 #include "gtklabel.h"
  31 #include "gtkstock.h"
  32 #include "gtkvbox.h"
  33 #include "gtkintl.h"
  34 #include "gtktoolbar.h"
  35 #include "gtkiconfactory.h"
  36 #include "gtkprivate.h"
  37 #include "gtkalias.h"
  38
  39 #include <string.h>
  40
  41 #define MENU_ID "gtk-tool-button-menu-id"
  42
  43 enum {
  44   CLICKED,
  45   LAST_SIGNAL
  46 };
  47
  48 enum {
  49   PROP_0,
  50   PROP_LABEL,
  51   PROP_USE_UNDERLINE,
  52   PROP_LABEL_WIDGET,
  53   PROP_STOCK_ID,
  54   PROP_ICON_NAME,
  55   PROP_ICON_WIDGET
  56 };
  57
  58 static void gtk_tool_button_init          (GtkToolButton      *button,
  59                                            GtkToolButtonClass *klass);
  60 static void gtk_tool_button_class_init    (GtkToolButtonClass *klass);
  61 static void gtk_tool_button_set_property  (GObject            *object,
  62                                            guint               prop_id,
  63                                            const GValue       *value,
  64                                            GParamSpec         *pspec);
  65 static void gtk_tool_button_get_property  (GObject            *object,
  66                                            guint               prop_id,
  67                                            GValue             *value,
  68                                            GParamSpec         *pspec);
  69 static void gtk_tool_button_property_notify (GObject          *object,
  70                                              GParamSpec       *pspec);
  71 static void gtk_tool_button_finalize      (GObject            *object);
  72
  73 static void gtk_tool_button_toolbar_reconfigured (GtkToolItem *tool_item);
  74 static gboolean   gtk_tool_button_create_menu_proxy (GtkToolItem     *item);
  75 static void       button_clicked                    (GtkWidget       *widget,
  76                                                      GtkToolButton   *button);
  77 static void gtk_tool_button_style_set      (GtkWidget          *widget,
  78                                             GtkStyle           *prev_style);
  79
  80 static void gtk_tool_button_construct_contents (GtkToolItem *tool_item);
  81
  82 static GObjectClass *parent_class = NULL;
  83 static guint         toolbutton_signals[LAST_SIGNAL] = { 0 };
  84
  85 #define GTK_TOOL_BUTTON_GET_PRIVATE(obj)(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_TOOL_BUTTON, GtkToolButtonPrivate))
  86
  87 struct _GtkToolButtonPrivate
  88 {
  89   GtkWidget *button;
  90
  91   gchar *stock_id;
  92   gchar *icon_name;
  93   gchar *label_text;
  94   GtkWidget *label_widget;
  95   GtkWidget *icon_widget;
  96
  97   guint use_underline : 1;
  98 };
  99
 100 GType
 101 gtk_tool_button_get_type (void)
 102 {
 103   static GtkType type = 0;
 104
 105   if (!type)
 106     type = g_type_register_static_simple (GTK_TYPE_TOOL_ITEM,
 107                                           I_("GtkToolButton"),
 108                                           sizeof (GtkToolButtonClass),
 109                                           (GClassInitFunc) gtk_tool_button_class_init,
 110                                           sizeof (GtkToolButton),
 111                                           (GInstanceInitFunc) gtk_tool_button_init,
 112                                           0);
 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->notify = gtk_tool_button_property_notify;
 132   object_class->finalize = gtk_tool_button_finalize;
 133
 134   widget_class->style_set = gtk_tool_button_style_set;
 135
 136   tool_item_class->create_menu_proxy = gtk_tool_button_create_menu_proxy;
 137   tool_item_class->toolbar_reconfigured = gtk_tool_button_toolbar_reconfigured;
 138
 139   klass->button_type = GTK_TYPE_BUTTON;
 140
 141   /* Properties are interpreted like this:
 142    *
 143    *          - if the tool button has an icon_widget, then that widget
 144    *            will be used as the icon. Otherwise, if the tool button
 145    *            has a stock id, the corresponding stock icon will be
 146    *            used. Otherwise, if the tool button has an icon name,
 147    *            the corresponding icon from the theme will be used.
 148    *            Otherwise, the tool button will not have an icon.
 149    *
 150    *          - if the tool button has a label_widget then that widget
 151    *            will be used as the label. Otherwise, if the tool button
 152    *            has a label text, that text will be used as label. Otherwise,
 153    *            if the toolbutton has a stock id, the corresponding text
 154    *            will be used as label. Otherwise, if the tool button has
 155    *            an icon name, the corresponding icon name from the theme will
 156    *            be used. Otherwise, the toolbutton will have an empty label.
 157    *
 158    *          - The use_underline property only has an effect when the label
 159    *            on the toolbutton comes from the label property (ie. not from
 160    *            label_widget or from stock_id).
 161    *
 162    *            In that case, if use_underline is set,
 163    *
 164    *                    - underscores are removed from the label text before
 165    *                      the label is shown on the toolbutton unless the
 166    *                      underscore is followed by another underscore
 167    *
 168    *                    - an underscore indicates that the next character when
 169    *                      used in the overflow menu should be used as a
 170    *                      mnemonic.
 171    *
 172    *            In short: use_underline = TRUE means that the label text has
 173    *            the form "_Open" and the toolbar should take appropriate
 174    *            action.
 175    */
 176
 177   g_object_class_install_property (object_class,
 178                                    PROP_LABEL,
 179                                    g_param_spec_string ("label",
 180                                                         P_("Label"),
 181                                                         P_("Text to show in the item."),
 182                                                         NULL,
 183                                                         GTK_PARAM_READWRITE));
 184   g_object_class_install_property (object_class,
 185                                    PROP_USE_UNDERLINE,
 186                                    g_param_spec_boolean ("use-underline",
 187                                                          P_("Use underline"),
 188                                                          P_("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"),
 189                                                          FALSE,
 190                                                          GTK_PARAM_READWRITE));
 191   g_object_class_install_property (object_class,
 192                                    PROP_LABEL_WIDGET,
 193                                    g_param_spec_object ("label-widget",
 194                                                         P_("Label widget"),
 195                                                         P_("Widget to use as the item label"),
 196                                                         GTK_TYPE_WIDGET,
 197                                                         GTK_PARAM_READWRITE));
 198   g_object_class_install_property (object_class,
 199                                    PROP_STOCK_ID,
 200                                    g_param_spec_string ("stock-id",
 201                                                         P_("Stock Id"),
 202                                                         P_("The stock icon displayed on the item"),
 203                                                         NULL,
 204                                                         GTK_PARAM_READWRITE));
 205
 206   /**
 207    * GtkToolButton:icon-name:
 208    *
 209    * The name of the themed icon displayed on the item.
 210    * This property only has an effect if not overridden by "label",
 211    * "icon_widget" or "stock_id" properties.
 212    *
 213    * Since: 2.8
 214    */
 215   g_object_class_install_property (object_class,
 216                                    PROP_ICON_NAME,
 217                                    g_param_spec_string ("icon-name",
 218                                                         P_("Icon name"),
 219                                                         P_("The name of the themed icon displayed on the item"),
 220                                                         NULL,
 221                                                         GTK_PARAM_READWRITE));
 222   g_object_class_install_property (object_class,
 223                                    PROP_ICON_WIDGET,
 224                                    g_param_spec_object ("icon-widget",
 225                                                         P_("Icon widget"),
 226                                                         P_("Icon widget to display in the item"),
 227                                                         GTK_TYPE_WIDGET,
 228                                                         GTK_PARAM_READWRITE));
 229
 230   /**
 231    * GtkButton::icon-spacing:
 232    *
 233    * Spacing in pixels between the icon and label.
 234    *
 235    * Since: 2.10
 236    */
 237   gtk_widget_class_install_style_property (widget_class,
 238                                            g_param_spec_int ("icon-spacing",
 239                                                              P_("Icon spacing"),
 240                                                              P_("Spacing in pixels between the icon and label"),
 241                                                              0,
 242                                                              G_MAXINT,
 243                                                              0,
 244                                                              GTK_PARAM_READWRITE));
 245
 246 /**
 247  * GtkToolButton::clicked:
 248  * @toolbutton: the object that emitted the signal
 249  *
 250  * This signal is emitted when the tool button is clicked with the mouse
 251  * or activated with the keyboard.
 252  **/
 253   toolbutton_signals[CLICKED] =
 254     g_signal_new (I_("clicked"),
 255                   G_OBJECT_CLASS_TYPE (klass),
 256                   G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 257                   G_STRUCT_OFFSET (GtkToolButtonClass, clicked),
 258                   NULL, NULL,
 259                   g_cclosure_marshal_VOID__VOID,
 260                   G_TYPE_NONE, 0);
 261
 262   g_type_class_add_private (object_class, sizeof (GtkToolButtonPrivate));
 263 }
 264
 265 static void
 266 gtk_tool_button_init (GtkToolButton      *button,
 267                       GtkToolButtonClass *klass)
 268 {
 269   GtkToolItem *toolitem = GTK_TOOL_ITEM (button);
 270
 271   button->priv = GTK_TOOL_BUTTON_GET_PRIVATE (button);
 272
 273   gtk_tool_item_set_homogeneous (toolitem, TRUE);
 274
 275   /* create button */
 276   button->priv->button = g_object_new (klass->button_type, NULL);
 277   gtk_button_set_focus_on_click (GTK_BUTTON (button->priv->button), FALSE);
 278   g_signal_connect_object (button->priv->button, "clicked",
 279                            G_CALLBACK (button_clicked), button, 0);
 280
 281   gtk_container_add (GTK_CONTAINER (button), button->priv->button);
 282   gtk_widget_show (button->priv->button);
 283 }
 284
 285 static void
 286 gtk_tool_button_construct_contents (GtkToolItem *tool_item)
 287 {
 288   GtkToolButton *button = GTK_TOOL_BUTTON (tool_item);
 289   GtkWidget *label = NULL;
 290   GtkWidget *icon = NULL;
 291   GtkToolbarStyle style;
 292   gboolean need_label = FALSE;
 293   gboolean need_icon = FALSE;
 294   GtkIconSize icon_size;
 295   GtkWidget *box = NULL;
 296   guint icon_spacing;
 297
 298   gtk_widget_style_get (GTK_WIDGET (tool_item),
 299                         "icon-spacing", &icon_spacing,
 300                         NULL);
 301
 302   if (button->priv->icon_widget && button->priv->icon_widget->parent)
 303     {
 304       gtk_container_remove (GTK_CONTAINER (button->priv->icon_widget->parent),
 305                             button->priv->icon_widget);
 306     }
 307
 308   if (button->priv->label_widget && button->priv->label_widget->parent)
 309     {
 310       gtk_container_remove (GTK_CONTAINER (button->priv->label_widget->parent),
 311                             button->priv->label_widget);
 312     }
 313
 314   if (GTK_BIN (button->priv->button)->child)
 315     {
 316       /* Note: we are not destroying the label_widget or icon_widget
 317        * here because they were removed from their containers above
 318        */
 319       gtk_widget_destroy (GTK_BIN (button->priv->button)->child);
 320     }
 321
 322   style = gtk_tool_item_get_toolbar_style (GTK_TOOL_ITEM (button));
 323
 324   if (style != GTK_TOOLBAR_TEXT)
 325     need_icon = TRUE;
 326
 327   if (style != GTK_TOOLBAR_ICONS && style != GTK_TOOLBAR_BOTH_HORIZ)
 328     need_label = TRUE;
 329
 330   if (style == GTK_TOOLBAR_BOTH_HORIZ &&
 331       (gtk_tool_item_get_is_important (GTK_TOOL_ITEM (button)) ||
 332        gtk_tool_item_get_orientation (GTK_TOOL_ITEM (button)) == GTK_ORIENTATION_VERTICAL))
 333     {
 334       need_label = TRUE;
 335     }
 336
 337   if (style == GTK_TOOLBAR_ICONS && button->priv->icon_widget == NULL &&
 338       button->priv->stock_id == NULL && button->priv->icon_name == NULL)
 339     {
 340       need_label = TRUE;
 341       need_icon = FALSE;
 342       style = GTK_TOOLBAR_TEXT;
 343     }
 344
 345   if (style == GTK_TOOLBAR_TEXT && button->priv->label_widget == NULL &&
 346       button->priv->stock_id == NULL && button->priv->label_text == NULL)
 347     {
 348       need_label = FALSE;
 349       need_icon = TRUE;
 350       style = GTK_TOOLBAR_ICONS;
 351     }
 352
 353   if (need_label)
 354     {
 355       if (button->priv->label_widget)
 356         {
 357           label = button->priv->label_widget;
 358         }
 359       else
 360         {
 361           GtkStockItem stock_item;
 362           gboolean elide;
 363           gchar *label_text;
 364
 365           if (button->priv->label_text)
 366             {
 367               label_text = button->priv->label_text;
 368               elide = button->priv->use_underline;
 369             }
 370           else if (button->priv->stock_id && gtk_stock_lookup (button->priv->stock_id, &stock_item))
 371             {
 372               label_text = stock_item.label;
 373               elide = TRUE;
 374             }
 375           else
 376             {
 377               label_text = "";
 378               elide = FALSE;
 379             }
 380
 381           if (elide)
 382             label_text = _gtk_toolbar_elide_underscores (label_text);
 383           else
 384             label_text = g_strdup (label_text);
 385
 386           label = gtk_label_new (label_text);
 387
 388           g_free (label_text);
 389
 390           gtk_widget_show (label);
 391         }
 392     }
 393
 394   icon_size = gtk_tool_item_get_icon_size (GTK_TOOL_ITEM (button));
 395   if (need_icon)
 396     {
 397       if (button->priv->icon_widget)
 398         {
 399           icon = button->priv->icon_widget;
 400
 401           if (GTK_IS_IMAGE (icon))
 402             {
 403               g_object_set (button->priv->icon_widget,
 404                             "icon-size", icon_size,
 405                             NULL);
 406             }
 407         }
 408       else if (button->priv->stock_id)
 409         {
 410           icon = gtk_image_new_from_stock (button->priv->stock_id, icon_size);
 411           gtk_widget_show (icon);
 412         }
 413       else if (button->priv->icon_name)
 414         {
 415           icon = gtk_image_new_from_icon_name (button->priv->icon_name, icon_size);
 416           gtk_widget_show (icon);
 417         }
 418     }
 419
 420   switch (style)
 421     {
 422     case GTK_TOOLBAR_ICONS:
 423       if (icon)
 424         gtk_container_add (GTK_CONTAINER (button->priv->button), icon);
 425       break;
 426
 427     case GTK_TOOLBAR_BOTH:
 428       box = gtk_vbox_new (FALSE, icon_spacing);
 429       if (icon)
 430         gtk_box_pack_start (GTK_BOX (box), icon, TRUE, TRUE, 0);
 431       gtk_box_pack_start (GTK_BOX (box), label, FALSE, TRUE, 0);
 432       gtk_container_add (GTK_CONTAINER (button->priv->button), box);
 433       break;
 434
 435     case GTK_TOOLBAR_BOTH_HORIZ:
 436       box = gtk_hbox_new (FALSE, icon_spacing);
 437       if (icon)
 438         gtk_box_pack_start (GTK_BOX (box), icon, label? FALSE : TRUE, TRUE, 0);
 439       if (label)
 440         gtk_box_pack_start (GTK_BOX (box), label, TRUE, TRUE, 0);
 441       gtk_container_add (GTK_CONTAINER (button->priv->button), box);
 442       break;
 443
 444     case GTK_TOOLBAR_TEXT:
 445       gtk_container_add (GTK_CONTAINER (button->priv->button), label);
 446       break;
 447     }
 448
 449   if (box)
 450     gtk_widget_show (box);
 451
 452   gtk_button_set_relief (GTK_BUTTON (button->priv->button),
 453                          gtk_tool_item_get_relief_style (GTK_TOOL_ITEM (button)));
 454
 455   gtk_tool_item_rebuild_menu (tool_item);
 456
 457   gtk_widget_queue_resize (GTK_WIDGET (button));
 458 }
 459
 460 static void
 461 gtk_tool_button_set_property (GObject         *object,
 462                               guint            prop_id,
 463                               const GValue    *value,
 464                               GParamSpec      *pspec)
 465 {
 466   GtkToolButton *button = GTK_TOOL_BUTTON (object);
 467
 468   switch (prop_id)
 469     {
 470     case PROP_LABEL:
 471       gtk_tool_button_set_label (button, g_value_get_string (value));
 472       break;
 473     case PROP_USE_UNDERLINE:
 474       gtk_tool_button_set_use_underline (button, g_value_get_boolean (value));
 475       break;
 476     case PROP_LABEL_WIDGET:
 477       gtk_tool_button_set_label_widget (button, g_value_get_object (value));
 478       break;
 479     case PROP_STOCK_ID:
 480       gtk_tool_button_set_stock_id (button, g_value_get_string (value));
 481       break;
 482     case PROP_ICON_NAME:
 483       gtk_tool_button_set_icon_name (button, g_value_get_string (value));
 484       break;
 485     case PROP_ICON_WIDGET:
 486       gtk_tool_button_set_icon_widget (button, g_value_get_object (value));
 487       break;
 488     default:
 489       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 490     }
 491 }
 492
 493 static void
 494 gtk_tool_button_property_notify (GObject          *object,
 495                                  GParamSpec       *pspec)
 496 {
 497   if (strcmp (pspec->name, "is-important") == 0)
 498     gtk_tool_button_construct_contents (GTK_TOOL_ITEM (object));
 499
 500   if (parent_class->notify)
 501     parent_class->notify (object, pspec);
 502 }
 503
 504 static void
 505 gtk_tool_button_get_property (GObject         *object,
 506                               guint            prop_id,
 507                               GValue          *value,
 508                               GParamSpec      *pspec)
 509 {
 510   GtkToolButton *button = GTK_TOOL_BUTTON (object);
 511
 512   switch (prop_id)
 513     {
 514     case PROP_LABEL:
 515       g_value_set_string (value, gtk_tool_button_get_label (button));
 516       break;
 517     case PROP_LABEL_WIDGET:
 518       g_value_set_object (value, gtk_tool_button_get_label_widget (button));
 519       break;
 520     case PROP_USE_UNDERLINE:
 521       g_value_set_boolean (value, gtk_tool_button_get_use_underline (button));
 522       break;
 523     case PROP_STOCK_ID:
 524       g_value_set_string (value, button->priv->stock_id);
 525       break;
 526     case PROP_ICON_NAME:
 527       g_value_set_string (value, button->priv->icon_name);
 528       break;
 529     case PROP_ICON_WIDGET:
 530       g_value_set_object (value, button->priv->icon_widget);
 531       break;
 532     default:
 533       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 534     }
 535 }
 536
 537 static void
 538 gtk_tool_button_finalize (GObject *object)
 539 {
 540   GtkToolButton *button = GTK_TOOL_BUTTON (object);
 541
 542   g_free (button->priv->stock_id);
 543   g_free (button->priv->icon_name);
 544   g_free (button->priv->label_text);
 545
 546   if (button->priv->label_widget)
 547     g_object_unref (button->priv->label_widget);
 548
 549   if (button->priv->icon_widget)
 550     g_object_unref (button->priv->icon_widget);
 551
 552   parent_class->finalize (object);
 553 }
 554
 555 static GtkWidget *
 556 clone_image_menu_size (GtkImage *image, GtkSettings *settings)
 557 {
 558   GtkImageType storage_type = gtk_image_get_storage_type (image);
 559
 560   if (storage_type == GTK_IMAGE_STOCK)
 561     {
 562       gchar *stock_id;
 563       gtk_image_get_stock (image, &stock_id, NULL);
 564       return gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_MENU);
 565     }
 566   else if (storage_type == GTK_IMAGE_ICON_SET)
 567     {
 568       GtkIconSet *icon_set;
 569       gtk_image_get_icon_set (image, &icon_set, NULL);
 570       return gtk_image_new_from_icon_set (icon_set, GTK_ICON_SIZE_MENU);
 571     }
 572   else if (storage_type == GTK_IMAGE_PIXBUF)
 573     {
 574       gint width, height;
 575
 576       if (settings &&
 577           gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_MENU,
 578                                              &width, &height))
 579         {
 580           GdkPixbuf *src_pixbuf, *dest_pixbuf;
 581           GtkWidget *cloned_image;
 582
 583           src_pixbuf = gtk_image_get_pixbuf (image);
 584           dest_pixbuf = gdk_pixbuf_scale_simple (src_pixbuf, width, height,
 585                                                  GDK_INTERP_BILINEAR);
 586
 587           cloned_image = gtk_image_new_from_pixbuf (dest_pixbuf);
 588           g_object_unref (dest_pixbuf);
 589
 590           return cloned_image;
 591         }
 592     }
 593
 594   return NULL;
 595 }
 596
 597 static gboolean
 598 gtk_tool_button_create_menu_proxy (GtkToolItem *item)
 599 {
 600   GtkToolButton *button = GTK_TOOL_BUTTON (item);
 601   GtkWidget *menu_item;
 602   GtkWidget *menu_image = NULL;
 603   GtkStockItem stock_item;
 604   gboolean use_mnemonic = TRUE;
 605   const char *label;
 606
 607   if (button->priv->label_widget && GTK_IS_LABEL (button->priv->label_widget))
 608     {
 609       label = gtk_label_get_label (GTK_LABEL (button->priv->label_widget));
 610       use_mnemonic = gtk_label_get_use_underline (GTK_LABEL (button->priv->label_widget));
 611     }
 612   else if (button->priv->label_text)
 613     {
 614       label = button->priv->label_text;
 615       use_mnemonic = button->priv->use_underline;
 616     }
 617   else if (button->priv->stock_id && gtk_stock_lookup (button->priv->stock_id, &stock_item))
 618     {
 619       label = stock_item.label;
 620     }
 621   else
 622     {
 623       label = "";
 624     }
 625
 626   if (use_mnemonic)
 627     menu_item = gtk_image_menu_item_new_with_mnemonic (label);
 628   else
 629     menu_item = gtk_image_menu_item_new_with_label (label);
 630
 631   if (button->priv->icon_widget && GTK_IS_IMAGE (button->priv->icon_widget))
 632     {
 633       menu_image = clone_image_menu_size (GTK_IMAGE (button->priv->icon_widget),
 634                                           gtk_widget_get_settings (GTK_WIDGET (button)));
 635     }
 636   else if (button->priv->stock_id)
 637     {
 638       menu_image = gtk_image_new_from_stock (button->priv->stock_id, GTK_ICON_SIZE_MENU);
 639     }
 640
 641   if (menu_image)
 642     gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (menu_item), menu_image);
 643
 644   g_signal_connect_closure_by_id (menu_item,
 645                                   g_signal_lookup ("activate", G_OBJECT_TYPE (menu_item)), 0,
 646                                   g_cclosure_new_object_swap (G_CALLBACK (gtk_button_clicked),
 647                                                               G_OBJECT (GTK_TOOL_BUTTON (button)->priv->button)),
 648                                   FALSE);
 649
 650   gtk_tool_item_set_proxy_menu_item (GTK_TOOL_ITEM (button), MENU_ID, menu_item);
 651
 652   return TRUE;
 653 }
 654
 655 static void
 656 button_clicked (GtkWidget     *widget,
 657                 GtkToolButton *button)
 658 {
 659   g_signal_emit_by_name (button, "clicked");
 660 }
 661
 662 static void
 663 gtk_tool_button_toolbar_reconfigured (GtkToolItem *tool_item)
 664 {
 665   gtk_tool_button_construct_contents (tool_item);
 666 }
 667
 668 static void
 669 gtk_tool_button_style_set (GtkWidget *widget,
 670                            GtkStyle  *prev_style)
 671 {
 672   gtk_tool_button_construct_contents (GTK_TOOL_ITEM (widget));
 673 }
 674
 675 /**
 676  * gtk_tool_button_new_from_stock:
 677  * @stock_id: the name of the stock item
 678  *
 679  * Creates a new #GtkToolButton containing the image and text from a
 680  * stock item. Some stock ids have preprocessor macros like #GTK_STOCK_OK
 681  * and #GTK_STOCK_APPLY.
 682  *
 683  * It is an error if @stock_id is not a name of a stock item.
 684  *
 685  * Return value: A new #GtkToolButton
 686  *
 687  * Since: 2.4
 688  **/
 689 GtkToolItem *
 690 gtk_tool_button_new_from_stock (const gchar *stock_id)
 691 {
 692   GtkToolButton *button;
 693
 694   g_return_val_if_fail (stock_id != NULL, NULL);
 695
 696   button = g_object_new (GTK_TYPE_TOOL_BUTTON,
 697                          "stock-id", stock_id,
 698                          NULL);
 699
 700   return GTK_TOOL_ITEM (button);
 701 }
 702
 703 /**
 704  * gtk_tool_button_new:
 705  * @label: a string that will be used as label, or %NULL
 706  * @icon_widget: a widget that will be used as icon widget, or %NULL
 707  *
 708  * Creates a new %GtkToolButton using @icon_widget as icon and @label as
 709  * label.
 710  *
 711  * Return value: A new #GtkToolButton
 712  *
 713  * Since: 2.4
 714  **/
 715 GtkToolItem *
 716 gtk_tool_button_new (GtkWidget   *icon_widget,
 717                      const gchar *label)
 718 {
 719   GtkToolButton *button;
 720
 721   button = g_object_new (GTK_TYPE_TOOL_BUTTON,
 722                          NULL);
 723
 724   if (label)
 725     gtk_tool_button_set_label (button, label);
 726
 727   if (icon_widget)
 728     gtk_tool_button_set_icon_widget (button, icon_widget);
 729
 730   return GTK_TOOL_ITEM (button);
 731 }
 732
 733 /**
 734  * gtk_tool_button_set_label:
 735  * @button: a #GtkToolButton
 736  * @label: a string that will be used as label, or %NULL.
 737  *
 738  * Sets @label as the label used for the tool button. The "label" property
 739  * only has an effect if not overridden by a non-%NULL "label_widget" property.
 740  * If both the "label_widget" and "label" properties are %NULL, the label
 741  * is determined by the "stock_id" property. If the "stock_id" property is also
 742  * %NULL, @button will not have a label.
 743  *
 744  * Since: 2.4
 745  **/
 746 void
 747 gtk_tool_button_set_label (GtkToolButton *button,
 748                            const gchar   *label)
 749 {
 750   gchar *old_label;
 751
 752   g_return_if_fail (GTK_IS_TOOL_BUTTON (button));
 753
 754   old_label = button->priv->label_text;
 755
 756   button->priv->label_text = g_strdup (label);
 757   gtk_tool_button_construct_contents (GTK_TOOL_ITEM (button));
 758
 759   g_object_notify (G_OBJECT (button), "label");
 760
 761   if (old_label)
 762     g_free (old_label);
 763 }
 764
 765 /**
 766  * gtk_tool_button_get_label:
 767  * @button: a #GtkToolButton
 768  *
 769  * Returns the label used by the tool button, or %NULL if the tool button
 770  * doesn't have a label. or uses a the label from a stock item. The returned
 771  * string is owned by GTK+, and must not be modified or freed.
 772  *
 773  * Return value: The label, or %NULL
 774  *
 775  * Since: 2.4
 776  **/
 777 G_CONST_RETURN gchar *
 778 gtk_tool_button_get_label (GtkToolButton *button)
 779 {
 780   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL);
 781
 782   return button->priv->label_text;
 783 }
 784
 785 /**
 786  * gtk_tool_button_set_use_underline:
 787  * @button: a #GtkToolButton
 788  * @use_underline: whether the button label has the form "_Open"
 789  *
 790  * If set, an underline in the label property indicates that the next character
 791  * should be used for the mnemonic accelerator key in the overflow menu. For
 792  * example, if the label property is "_Open" and @use_underline is %TRUE,
 793  * the label on the tool button will be "Open" and the item on the overflow
 794  * menu will have an underlined 'O'.
 795  *
 796  * Labels shown on tool buttons never have mnemonics on them; this property
 797  * only affects the menu item on the overflow menu.
 798  *
 799  * Since: 2.4
 800  **/
 801 void
 802 gtk_tool_button_set_use_underline (GtkToolButton *button,
 803                                    gboolean       use_underline)
 804 {
 805   g_return_if_fail (GTK_IS_TOOL_BUTTON (button));
 806
 807   use_underline = use_underline != FALSE;
 808
 809   if (use_underline != button->priv->use_underline)
 810     {
 811       button->priv->use_underline = use_underline;
 812
 813       gtk_tool_button_construct_contents (GTK_TOOL_ITEM (button));
 814
 815       g_object_notify (G_OBJECT (button), "use-underline");
 816     }
 817 }
 818
 819 /**
 820  * gtk_tool_button_get_use_underline:
 821  * @button: a #GtkToolButton
 822  *
 823  * Returns whether underscores in the label property are used as mnemonics
 824  * on menu items on the overflow menu. See gtk_tool_button_set_use_underline().
 825  *
 826  * Return value: %TRUE if underscores in the label property are used as
 827  * mnemonics on menu items on the overflow menu.
 828  *
 829  * Since: 2.4
 830  **/
 831 gboolean
 832 gtk_tool_button_get_use_underline (GtkToolButton *button)
 833 {
 834   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), FALSE);
 835
 836   return button->priv->use_underline;
 837 }
 838
 839 /**
 840  * gtk_tool_button_set_stock_id:
 841  * @button: a #GtkToolButton
 842  * @stock_id: a name of a stock item, or %NULL
 843  *
 844  * Sets the name of the stock item. See gtk_tool_button_new_from_stock().
 845  * The stock_id property only has an effect if not
 846  * overridden by non-%NULL "label" and "icon_widget" properties.
 847  *
 848  * Since: 2.4
 849  **/
 850 void
 851 gtk_tool_button_set_stock_id (GtkToolButton *button,
 852                               const gchar   *stock_id)
 853 {
 854   gchar *old_stock_id;
 855
 856   g_return_if_fail (GTK_IS_TOOL_BUTTON (button));
 857
 858   old_stock_id = button->priv->stock_id;
 859
 860   button->priv->stock_id = g_strdup (stock_id);
 861   gtk_tool_button_construct_contents (GTK_TOOL_ITEM (button));
 862
 863   g_object_notify (G_OBJECT (button), "stock-id");
 864
 865   g_free (old_stock_id);
 866 }
 867
 868 /**
 869  * gtk_tool_button_get_stock_id:
 870  * @button: a #GtkToolButton
 871  *
 872  * Returns the name of the stock item. See gtk_tool_button_set_stock_id().
 873  * The returned string is owned by GTK+ and must not be freed or modifed.
 874  *
 875  * Return value: the name of the stock item for @button.
 876  *
 877  * Since: 2.4
 878  **/
 879 G_CONST_RETURN gchar *
 880 gtk_tool_button_get_stock_id (GtkToolButton *button)
 881 {
 882   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL);
 883
 884   return button->priv->stock_id;
 885 }
 886
 887 /**
 888  * gtk_tool_button_set_icon_name
 889  * @button: a #GtkToolButton
 890  * @icon_name: the name of the themed icon
 891  *
 892  * Sets the icon for the tool button from a named themed icon.
 893  * See the docs for #GtkIconTheme for more details.
 894  * The "icon_name" property only has an effect if not
 895  * overridden by non-%NULL "label", "icon_widget" and "stock_id"
 896  * properties.
 897  *
 898  * Since: 2.8
 899  **/
 900 void
 901 gtk_tool_button_set_icon_name (GtkToolButton *button,
 902                                const gchar   *icon_name)
 903 {
 904   gchar *old_icon_name;
 905
 906   g_return_if_fail (GTK_IS_TOOL_BUTTON (button));
 907
 908   old_icon_name = button->priv->icon_name;
 909
 910   button->priv->icon_name = g_strdup (icon_name);
 911   gtk_tool_button_construct_contents (GTK_TOOL_ITEM (button));
 912
 913   g_object_notify (G_OBJECT (button), "icon-name");
 914
 915   g_free (old_icon_name);
 916 }
 917
 918 /**
 919  * gtk_tool_button_get_icon_name
 920  * @button: a #GtkToolButton
 921  *
 922  * Returns the name of the themed icon for the tool button,
 923  * see gtk_tool_button_set_icon_name().
 924  *
 925  * Returns: the icon name or %NULL if the tool button has
 926  * no themed icon
 927  *
 928  * Since: 2.8
 929  **/
 930 G_CONST_RETURN gchar*
 931 gtk_tool_button_get_icon_name (GtkToolButton *button)
 932 {
 933   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL);
 934
 935   return button->priv->icon_name;
 936 }
 937
 938 /**
 939  * gtk_tool_button_set_icon_widget:
 940  * @button: a #GtkToolButton
 941  * @icon_widget: the widget used as icon, or %NULL
 942  *
 943  * Sets @icon as the widget used as icon on @button. If @icon_widget is
 944  * %NULL the icon is determined by the "stock_id" property. If the
 945  * "stock_id" property is also %NULL, @button will not have an icon.
 946  *
 947  * Since: 2.4
 948  **/
 949 void
 950 gtk_tool_button_set_icon_widget (GtkToolButton *button,
 951                                  GtkWidget     *icon_widget)
 952 {
 953   g_return_if_fail (GTK_IS_TOOL_BUTTON (button));
 954   g_return_if_fail (icon_widget == NULL || GTK_IS_WIDGET (icon_widget));
 955
 956   if (icon_widget != button->priv->icon_widget)
 957     {
 958       if (button->priv->icon_widget)
 959         {
 960           if (button->priv->icon_widget->parent)
 961             {
 962               gtk_container_remove (GTK_CONTAINER (button->priv->icon_widget->parent),
 963                                     button->priv->icon_widget);
 964             }
 965
 966           g_object_unref (button->priv->icon_widget);
 967         }
 968
 969       if (icon_widget)
 970         {
 971           g_object_ref_sink (icon_widget);
 972         }
 973
 974       button->priv->icon_widget = icon_widget;
 975
 976       gtk_tool_button_construct_contents (GTK_TOOL_ITEM (button));
 977
 978       g_object_notify (G_OBJECT (button), "icon-widget");
 979     }
 980 }
 981
 982 /**
 983  * gtk_tool_button_set_label_widget:
 984  * @button: a #GtkToolButton
 985  * @label_widget: the widget used as label, or %NULL
 986  *
 987  * Sets @label_widget as the widget that will be used as the label
 988  * for @button. If @label_widget is %NULL the "label" property is used
 989  * as label. If "label" is also %NULL, the label in the stock item
 990  * determined by the "stock_id" property is used as label. If
 991  * "stock_id" is also %NULL, @button does not have a label.
 992  *
 993  * Since: 2.4
 994  **/
 995 void
 996 gtk_tool_button_set_label_widget (GtkToolButton *button,
 997                                   GtkWidget     *label_widget)
 998 {
 999   g_return_if_fail (GTK_IS_TOOL_BUTTON (button));
1000   g_return_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget));
1001
1002   if (label_widget != button->priv->label_widget)
1003     {
1004       if (button->priv->label_widget)
1005         {
1006           if (button->priv->label_widget->parent)
1007             {
1008               gtk_container_remove (GTK_CONTAINER (button->priv->label_widget->parent),
1009                                     button->priv->label_widget);
1010             }
1011
1012           g_object_unref (button->priv->label_widget);
1013         }
1014
1015       if (label_widget)
1016         {
1017           g_object_ref_sink (label_widget);
1018         }
1019
1020       button->priv->label_widget = label_widget;
1021
1022       gtk_tool_button_construct_contents (GTK_TOOL_ITEM (button));
1023
1024       g_object_notify (G_OBJECT (button), "label-widget");
1025     }
1026 }
1027
1028 /**
1029  * gtk_tool_button_get_label_widget:
1030  * @button: a #GtkToolButton
1031  *
1032  * Returns the widget used as label on @button. See
1033  * gtk_tool_button_set_label_widget().
1034  *
1035  * Return value: The widget used as label on @button, or %NULL.
1036  *
1037  * Since: 2.4
1038  **/
1039 GtkWidget *
1040 gtk_tool_button_get_label_widget (GtkToolButton *button)
1041 {
1042   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL);
1043
1044   return button->priv->label_widget;
1045 }
1046
1047 /**
1048  * gtk_tool_button_get_icon_widget:
1049  * @button: a #GtkToolButton
1050  *
1051  * Return the widget used as icon widget on @button. See
1052  * gtk_tool_button_set_icon_widget().
1053  *
1054  * Return value: The widget used as icon on @button, or %NULL.
1055  *
1056  * Since: 2.4
1057  **/
1058 GtkWidget *
1059 gtk_tool_button_get_icon_widget (GtkToolButton *button)
1060 {
1061   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL);
1062
1063   return button->priv->icon_widget;
1064 }
1065
1066 GtkWidget *
1067 _gtk_tool_button_get_button (GtkToolButton *button)
1068 {
1069   g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL);
1070
1071   return button->priv->button;
1072 }
1073
1074
1075 #define __GTK_TOOL_BUTTON_C__
1076 #include "gtkaliasdef.c"