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

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 2001 CodeFactory AB
   3  * Copyright (C) 2001, 2002 Anders Carlsson
   4  * Copyright (C) 2003, 2004 Matthias Clasen <mclasen@redhat.com>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 /*
  23  * Author: Anders Carlsson <andersca@gnome.org>
  24  *
  25  * Modified by the GTK+ Team and others 1997-2004.  See the AUTHORS
  26  * file for a list of people on the GTK+ Team.  See the ChangeLog
  27  * files for a list of changes.  These files are distributed with
  28  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  29  */
  30
  31 #include <config.h>
  32
  33 #include <string.h>
  34
  35 #include <gdk/gdkkeysyms.h>
  36
  37 #include "gtkaboutdialog.h"
  38 #include "gtkbutton.h"
  39 #include "gtkbbox.h"
  40 #include "gtkdialog.h"
  41 #include "gtkhbox.h"
  42 #include "gtkimage.h"
  43 #include "gtklabel.h"
  44 #include "gtklinkbutton.h"
  45 #include "gtkmarshalers.h"
  46 #include "gtknotebook.h"
  47 #include "gtkscrolledwindow.h"
  48 #include "gtkstock.h"
  49 #include "gtktextview.h"
  50 #include "gtkvbox.h"
  51 #include "gtkiconfactory.h"
  52 #include "gtkprivate.h"
  53 #include "gtkintl.h"
  54
  55 #include "gtkalias.h"
  56
  57 static GdkColor default_link_color = { 0, 0, 0, 0xeeee };
  58 static GdkColor default_visited_link_color = { 0, 0x5555, 0x1a1a, 0x8b8b };
  59
  60 typedef struct _GtkAboutDialogPrivate GtkAboutDialogPrivate;
  61 struct _GtkAboutDialogPrivate
  62 {
  63   gchar *name;
  64   gchar *version;
  65   gchar *copyright;
  66   gchar *comments;
  67   gchar *website;
  68   gchar *website_label;
  69   gchar *translator_credits;
  70   gchar *license;
  71
  72   gchar **authors;
  73   gchar **documenters;
  74   gchar **artists;
  75
  76   GtkWidget *logo_image;
  77   GtkWidget *name_label;
  78   GtkWidget *comments_label;
  79   GtkWidget *copyright_label;
  80   GtkWidget *website_button;
  81
  82   GtkWidget *credits_button;
  83   GtkWidget *credits_dialog;
  84   GtkWidget *license_button;
  85   GtkWidget *license_dialog;
  86
  87   GdkCursor *hand_cursor;
  88   GdkCursor *regular_cursor;
  89
  90   GSList *visited_links;
  91
  92   guint hovering_over_link : 1;
  93   guint wrap_license : 1;
  94 };
  95
  96 #define GTK_ABOUT_DIALOG_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_ABOUT_DIALOG, GtkAboutDialogPrivate))
  97
  98
  99 enum
 100 {
 101   PROP_0,
 102   PROP_NAME,
 103   PROP_VERSION,
 104   PROP_COPYRIGHT,
 105   PROP_COMMENTS,
 106   PROP_WEBSITE,
 107   PROP_WEBSITE_LABEL,
 108   PROP_LICENSE,
 109   PROP_AUTHORS,
 110   PROP_DOCUMENTERS,
 111   PROP_TRANSLATOR_CREDITS,
 112   PROP_ARTISTS,
 113   PROP_LOGO,
 114   PROP_LOGO_ICON_NAME,
 115   PROP_WRAP_LICENSE
 116 };
 117
 118 static void                 gtk_about_dialog_finalize       (GObject            *object);
 119 static void                 gtk_about_dialog_get_property   (GObject            *object,
 120                                                              guint               prop_id,
 121                                                              GValue             *value,
 122                                                              GParamSpec         *pspec);
 123 static void                 gtk_about_dialog_set_property   (GObject            *object,
 124                                                              guint               prop_id,
 125                                                              const GValue       *value,
 126                                                              GParamSpec         *pspec);
 127 static void                 update_name_version             (GtkAboutDialog     *about);
 128 static GtkIconSet *         icon_set_new_from_pixbufs       (GList              *pixbufs);
 129 static void                 activate_url                    (GtkWidget          *widget,
 130                                                              gpointer            data);
 131 static void                 follow_if_link                  (GtkAboutDialog     *about,
 132                                                              GtkTextView        *text_view,
 133                                                              GtkTextIter        *iter);
 134 static void                 set_cursor_if_appropriate       (GtkAboutDialog     *about,
 135                                                              GtkTextView        *text_view,
 136                                                              gint                x,
 137                                                              gint                y);
 138 static void                 add_credits_page                (GtkAboutDialog     *about,
 139                                                              GtkWidget          *notebook,
 140                                                              gchar              *title,
 141                                                              gchar             **people);
 142 static gboolean             credits_key_press_event         (GtkWidget          *text_view,
 143                                                              GdkEventKey        *event,
 144                                                              GtkAboutDialog     *about);
 145 static gboolean             credits_event_after             (GtkWidget          *text_view,
 146                                                              GdkEvent           *event,
 147                                                              GtkAboutDialog     *about);
 148 static gboolean             credits_motion_notify_event     (GtkWidget          *text_view,
 149                                                              GdkEventMotion     *event,
 150                                                              GtkAboutDialog     *about);
 151 static gboolean             credits_visibility_notify_event (GtkWidget          *text_view,
 152                                                              GdkEventVisibility *event,
 153                                                              GtkAboutDialog     *about);
 154 static void                 display_credits_dialog          (GtkWidget          *button,
 155                                                              gpointer            data);
 156 static void                 display_license_dialog          (GtkWidget          *button,
 157                                                              gpointer            data);
 158 static void                 close_cb                        (GtkAboutDialog     *about);
 159
 160
 161 static GtkAboutDialogActivateLinkFunc activate_email_hook = NULL;
 162 static gpointer activate_email_hook_data = NULL;
 163 static GDestroyNotify activate_email_hook_destroy = NULL;
 164
 165 static GtkAboutDialogActivateLinkFunc activate_url_hook = NULL;
 166 static gpointer activate_url_hook_data = NULL;
 167 static GDestroyNotify activate_url_hook_destroy = NULL;
 168
 169 G_DEFINE_TYPE (GtkAboutDialog, gtk_about_dialog, GTK_TYPE_DIALOG)
 170
 171 static void
 172 gtk_about_dialog_class_init (GtkAboutDialogClass *klass)
 173 {
 174   GObjectClass *object_class;
 175   GtkWidgetClass *widget_class;
 176
 177   object_class = (GObjectClass *)klass;
 178   widget_class = (GtkWidgetClass *)klass;
 179
 180   object_class->set_property = gtk_about_dialog_set_property;
 181   object_class->get_property = gtk_about_dialog_get_property;
 182
 183   object_class->finalize = gtk_about_dialog_finalize;
 184
 185
 186   /**
 187    * GtkAboutDialog:name:
 188    *
 189    * The name of the program.
 190    * If this is not set, it defaults to g_get_application_name().
 191    *
 192    * Since: 2.6
 193    */
 194   g_object_class_install_property (object_class,
 195                                    PROP_NAME,
 196                                    g_param_spec_string ("name",
 197                                                         P_("Program name"),
 198                                                         P_("The name of the program. If this is not set, it defaults to g_get_application_name()"),
 199                                                         NULL,
 200                                                         GTK_PARAM_READWRITE));
 201
 202   /**
 203    * GtkAboutDialog:version:
 204    *
 205    * The version of the program.
 206    *
 207    * Since: 2.6
 208    */
 209   g_object_class_install_property (object_class,
 210                                    PROP_VERSION,
 211                                    g_param_spec_string ("version",
 212                                                         P_("Program version"),
 213                                                         P_("The version of the program"),
 214                                                         NULL,
 215                                                         GTK_PARAM_READWRITE));
 216
 217   /**
 218    * GtkAboutDialog:copyright:
 219    *
 220    * Copyright information for the program.
 221    *
 222    * Since: 2.6
 223    */
 224   g_object_class_install_property (object_class,
 225                                    PROP_COPYRIGHT,
 226                                    g_param_spec_string ("copyright",
 227                                                         P_("Copyright string"),
 228                                                         P_("Copyright information for the program"),
 229                                                         NULL,
 230                                                         GTK_PARAM_READWRITE));
 231
 232
 233   /**
 234    * GtkAboutDialog:comments:
 235    *
 236    * Comments about the program. This string is displayed in a label
 237    * in the main dialog, thus it should be a short explanation of
 238    * the main purpose of the program, not a detailed list of features.
 239    *
 240    * Since: 2.6
 241    */
 242   g_object_class_install_property (object_class,
 243                                    PROP_COMMENTS,
 244                                    g_param_spec_string ("comments",
 245                                                         P_("Comments string"),
 246                                                         P_("Comments about the program"),
 247                                                         NULL,
 248                                                         GTK_PARAM_READWRITE));
 249
 250   /**
 251    * GtkAboutDialog:license:
 252    *
 253    * The license of the program. This string is displayed in a
 254    * text view in a secondary dialog, therefore it is fine to use
 255    * a long multi-paragraph text. Note that the text is only wrapped
 256    * in the text view if the "wrap-license" property is set to %TRUE;
 257    * otherwise the text itself must contain the intended linebreaks.
 258    *
 259    * Since: 2.6
 260    */
 261   g_object_class_install_property (object_class,
 262                                    PROP_LICENSE,
 263                                    g_param_spec_string ("license",
 264                                                         _("License"),
 265                                                         _("The license of the program"),
 266                                                         NULL,
 267                                                         GTK_PARAM_READWRITE));
 268
 269   /**
 270    * GtkAboutDialog:website:
 271    *
 272    * The URL for the link to the website of the program.
 273    * This should be a string starting with "http://.
 274    *
 275    * Since: 2.6
 276    */
 277   g_object_class_install_property (object_class,
 278                                    PROP_WEBSITE,
 279                                    g_param_spec_string ("website",
 280                                                         P_("Website URL"),
 281                                                         P_("The URL for the link to the website of the program"),
 282                                                         NULL,
 283                                                         GTK_PARAM_READWRITE));
 284
 285   /**
 286    * GtkAboutDialog:website-label:
 287    *
 288    * The label for the link to the website of the program. If this is not set,
 289    * it defaults to the URL specified in the
 290    * <link linkend="GtkAboutDialog--website">website</link> property.
 291    *
 292    * Since: 2.6
 293    */
 294   g_object_class_install_property (object_class,
 295                                    PROP_WEBSITE_LABEL,
 296                                    g_param_spec_string ("website-label",
 297                                                         P_("Website label"),
 298                                                         P_("The label for the link to the website of the program. If this is not set, it defaults to the URL"),
 299                                                         NULL,
 300                                                         GTK_PARAM_READWRITE));
 301
 302   /**
 303    * GtkAboutDialog:authors:
 304    *
 305    * The authors of the program, as a %NULL-terminated array of strings.
 306    * Each string may contain email addresses and URLs, which will be displayed
 307    * as links, see the introduction for more details.
 308    *
 309    * Since: 2.6
 310    */
 311   g_object_class_install_property (object_class,
 312                                    PROP_AUTHORS,
 313                                    g_param_spec_boxed ("authors",
 314                                                        P_("Authors"),
 315                                                        P_("List of authors of the program"),
 316                                                        G_TYPE_STRV,
 317                                                        GTK_PARAM_READWRITE));
 318
 319   /**
 320    * GtkAboutDialog:documenters:
 321    *
 322    * The people documenting the program, as a %NULL-terminated array of strings.
 323    * Each string may contain email addresses and URLs, which will be displayed
 324    * as links, see the introduction for more details.
 325    *
 326    * Since: 2.6
 327    */
 328   g_object_class_install_property (object_class,
 329                                    PROP_DOCUMENTERS,
 330                                    g_param_spec_boxed ("documenters",
 331                                                        P_("Documenters"),
 332                                                        P_("List of people documenting the program"),
 333                                                        G_TYPE_STRV,
 334                                                        GTK_PARAM_READWRITE));
 335
 336   /**
 337    * GtkAboutDialog:artists:
 338    *
 339    * The people who contributed artwork to the program, as a %NULL-terminated array of strings.
 340    * Each string may contain email addresses and URLs, which will be displayed
 341    * as links, see the introduction for more details.
 342    *
 343    * Since: 2.6
 344    */
 345   g_object_class_install_property (object_class,
 346                                    PROP_ARTISTS,
 347                                    g_param_spec_boxed ("artists",
 348                                                        P_("Artists"),
 349                                                        P_("List of people who have contributed artwork to the program"),
 350                                                        G_TYPE_STRV,
 351                                                        GTK_PARAM_READWRITE));
 352
 353
 354   /**
 355    * GtkAboutDialog:translator-credits:
 356    *
 357    * Credits to the translators. This string should be marked as translatable.
 358    * The string may contain email addresses and URLs, which will be displayed
 359    * as links, see the introduction for more details.
 360    *
 361    * Since: 2.6
 362    */
 363   g_object_class_install_property (object_class,
 364                                    PROP_TRANSLATOR_CREDITS,
 365                                    g_param_spec_string ("translator-credits",
 366                                                         P_("Translator credits"),
 367                                                         P_("Credits to the translators. This string should be marked as translatable"),
 368                                                         NULL,
 369                                                         GTK_PARAM_READWRITE));
 370
 371   /**
 372    * GtkAboutDialog:logo:
 373    *
 374    * A logo for the about box. If this is not set, it defaults to
 375    * gtk_window_get_default_icon_list().
 376    *
 377    * Since: 2.6
 378    */
 379   g_object_class_install_property (object_class,
 380                                    PROP_LOGO,
 381                                    g_param_spec_object ("logo",
 382                                                         P_("Logo"),
 383                                                         P_("A logo for the about box. If this is not set, it defaults to gtk_window_get_default_icon_list()"),
 384                                                         GDK_TYPE_PIXBUF,
 385                                                         GTK_PARAM_READWRITE));
 386
 387   /**
 388    * GtkAboutDialog:logo-icon-name:
 389    *
 390    * A named icon to use as the logo for the about box. This property
 391    * overrides the <link linkend="GtkAboutDialog--logo">logo</link> property.
 392    *
 393    * Since: 2.6
 394    */
 395   g_object_class_install_property (object_class,
 396                                    PROP_LOGO_ICON_NAME,
 397                                    g_param_spec_string ("logo-icon-name",
 398                                                         P_("Logo Icon Name"),
 399                                                         P_("A named icon to use as the logo for the about box."),
 400                                                         NULL,
 401                                                         GTK_PARAM_READWRITE));
 402   /**
 403    * GtkAboutDialog:wrap-license:
 404    *
 405    * Whether to wrap the text in the license dialog.
 406    *
 407    * Since: 2.8
 408    */
 409   g_object_class_install_property (object_class,
 410                                    PROP_WRAP_LICENSE,
 411                                    g_param_spec_boolean ("wrap-license",
 412                                                          P_("Wrap license"),
 413                                                          P_("Whether to wrap the license text."),
 414                                                          FALSE,
 415                                                          GTK_PARAM_READWRITE));
 416
 417
 418   g_type_class_add_private (object_class, sizeof (GtkAboutDialogPrivate));
 419 }
 420
 421 static void
 422 gtk_about_dialog_init (GtkAboutDialog *about)
 423 {
 424   GtkDialog *dialog = GTK_DIALOG (about);
 425   GtkAboutDialogPrivate *priv;
 426   GtkWidget *vbox, *hbox, *button, *close_button, *image;
 427
 428   /* Data */
 429   priv = GTK_ABOUT_DIALOG_GET_PRIVATE (about);
 430   about->private_data = priv;
 431
 432   priv->name = NULL;
 433   priv->version = NULL;
 434   priv->copyright = NULL;
 435   priv->comments = NULL;
 436   priv->website = NULL;
 437   priv->website_label = NULL;
 438   priv->translator_credits = NULL;
 439   priv->license = NULL;
 440   priv->authors = NULL;
 441   priv->documenters = NULL;
 442   priv->artists = NULL;
 443
 444   priv->hand_cursor = gdk_cursor_new (GDK_HAND2);
 445   priv->regular_cursor = gdk_cursor_new (GDK_XTERM);
 446   priv->hovering_over_link = FALSE;
 447   priv->wrap_license = FALSE;
 448
 449   gtk_dialog_set_has_separator (dialog, FALSE);
 450   gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
 451   gtk_box_set_spacing (GTK_BOX (dialog->vbox), 2); /* 2 * 5 + 2 = 12 */
 452   gtk_container_set_border_width (GTK_CONTAINER (dialog->action_area), 5);
 453
 454   /* Widgets */
 455   gtk_widget_push_composite_child ();
 456
 457   vbox = gtk_vbox_new (FALSE, 8);
 458   gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
 459   gtk_box_pack_start (GTK_BOX (dialog->vbox), vbox, TRUE, TRUE, 0);
 460
 461   priv->logo_image = gtk_image_new ();
 462   gtk_box_pack_start (GTK_BOX (vbox), priv->logo_image, FALSE, FALSE, 0);
 463
 464   priv->name_label = gtk_label_new (NULL);
 465   gtk_label_set_selectable (GTK_LABEL (priv->name_label), TRUE);
 466   gtk_label_set_justify (GTK_LABEL (priv->name_label), GTK_JUSTIFY_CENTER);
 467   gtk_box_pack_start (GTK_BOX (vbox), priv->name_label, FALSE, FALSE, 0);
 468
 469   priv->comments_label = gtk_label_new (NULL);
 470   gtk_label_set_selectable (GTK_LABEL (priv->comments_label), TRUE);
 471   gtk_label_set_justify (GTK_LABEL (priv->comments_label), GTK_JUSTIFY_CENTER);
 472   gtk_label_set_line_wrap (GTK_LABEL (priv->comments_label), TRUE);
 473   gtk_box_pack_start (GTK_BOX (vbox), priv->comments_label, FALSE, FALSE, 0);
 474
 475   priv->copyright_label = gtk_label_new (NULL);
 476   gtk_label_set_selectable (GTK_LABEL (priv->copyright_label), TRUE);
 477   gtk_label_set_justify (GTK_LABEL (priv->copyright_label), GTK_JUSTIFY_CENTER);
 478   gtk_box_pack_start (GTK_BOX (vbox), priv->copyright_label, FALSE, FALSE, 0);
 479
 480   button = gtk_link_button_new ("");
 481   g_signal_connect (G_OBJECT (button), "clicked",
 482                     G_CALLBACK (activate_url), about);
 483
 484   hbox = gtk_hbox_new (TRUE, 0);
 485   gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
 486   gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 0);
 487   priv->website_button = button;
 488
 489   gtk_widget_show (vbox);
 490   gtk_widget_show (priv->logo_image);
 491   gtk_widget_show (priv->name_label);
 492   gtk_widget_show (hbox);
 493
 494   /* Add the OK button */
 495   close_button = gtk_dialog_add_button (GTK_DIALOG (about), GTK_STOCK_CLOSE,
 496                                         GTK_RESPONSE_CANCEL);
 497   gtk_dialog_set_default_response (GTK_DIALOG (about), GTK_RESPONSE_CANCEL);
 498
 499   /* Add the credits button */
 500   button = gtk_button_new_with_mnemonic (_("C_redits"));
 501   GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
 502   image = gtk_image_new_from_stock (GTK_STOCK_ABOUT, GTK_ICON_SIZE_BUTTON);
 503   gtk_button_set_image (GTK_BUTTON (button), image);
 504   gtk_widget_set_no_show_all (button, TRUE);
 505   gtk_box_pack_end (GTK_BOX (GTK_DIALOG (about)->action_area),
 506                     button, FALSE, TRUE, 0);
 507   gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (about)->action_area), button, TRUE);
 508   g_signal_connect (button, "clicked", G_CALLBACK (display_credits_dialog), about);
 509   priv->credits_button = button;
 510   priv->credits_dialog = NULL;
 511
 512   /* Add the license button */
 513   button = gtk_button_new_from_stock (_("_License"));
 514   GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
 515   gtk_widget_set_no_show_all (button, TRUE);
 516   gtk_box_pack_end (GTK_BOX (GTK_DIALOG (about)->action_area),
 517                     button, FALSE, TRUE, 0);
 518   gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (about)->action_area), button, TRUE);
 519   g_signal_connect (button, "clicked", G_CALLBACK (display_license_dialog), about);
 520   priv->license_button = button;
 521   priv->license_dialog = NULL;
 522
 523   gtk_window_set_resizable (GTK_WINDOW (about), FALSE);
 524
 525   gtk_widget_pop_composite_child ();
 526
 527   gtk_widget_grab_default (close_button);
 528   gtk_widget_grab_focus (close_button);
 529
 530   /* force defaults */
 531   gtk_about_dialog_set_name (about, NULL);
 532   gtk_about_dialog_set_logo (about, NULL);
 533 }
 534
 535 static void
 536 gtk_about_dialog_finalize (GObject *object)
 537 {
 538   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 539   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
 540
 541   g_free (priv->name);
 542   g_free (priv->version);
 543   g_free (priv->copyright);
 544   g_free (priv->comments);
 545   g_free (priv->license);
 546   g_free (priv->website);
 547   g_free (priv->website_label);
 548   g_free (priv->translator_credits);
 549
 550   g_strfreev (priv->authors);
 551   g_strfreev (priv->documenters);
 552   g_strfreev (priv->artists);
 553
 554   g_slist_foreach (priv->visited_links, (GFunc)g_free, NULL);
 555   g_slist_free (priv->visited_links);
 556
 557   gdk_cursor_unref (priv->hand_cursor);
 558   gdk_cursor_unref (priv->regular_cursor);
 559
 560   G_OBJECT_CLASS (gtk_about_dialog_parent_class)->finalize (object);
 561 }
 562
 563 static void
 564 gtk_about_dialog_set_property (GObject      *object,
 565                                guint         prop_id,
 566                                const GValue *value,
 567                                GParamSpec   *pspec)
 568 {
 569   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 570   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
 571
 572   switch (prop_id)
 573     {
 574     case PROP_NAME:
 575       gtk_about_dialog_set_name (about, g_value_get_string (value));
 576       break;
 577     case PROP_VERSION:
 578       gtk_about_dialog_set_version (about, g_value_get_string (value));
 579       break;
 580     case PROP_COMMENTS:
 581       gtk_about_dialog_set_comments (about, g_value_get_string (value));
 582       break;
 583     case PROP_WEBSITE:
 584       gtk_about_dialog_set_website (about, g_value_get_string (value));
 585       break;
 586     case PROP_WEBSITE_LABEL:
 587       gtk_about_dialog_set_website_label (about, g_value_get_string (value));
 588       break;
 589     case PROP_LICENSE:
 590       gtk_about_dialog_set_license (about, g_value_get_string (value));
 591       break;
 592     case PROP_COPYRIGHT:
 593       gtk_about_dialog_set_copyright (about, g_value_get_string (value));
 594       break;
 595     case PROP_LOGO:
 596       gtk_about_dialog_set_logo (about, g_value_get_object (value));
 597       break;
 598     case PROP_AUTHORS:
 599       gtk_about_dialog_set_authors (about, (const gchar**)g_value_get_boxed (value));
 600       break;
 601     case PROP_DOCUMENTERS:
 602       gtk_about_dialog_set_documenters (about, (const gchar**)g_value_get_boxed (value));
 603       break;
 604     case PROP_ARTISTS:
 605       gtk_about_dialog_set_artists (about, (const gchar**)g_value_get_boxed (value));
 606       break;
 607     case PROP_TRANSLATOR_CREDITS:
 608       gtk_about_dialog_set_translator_credits (about, g_value_get_string (value));
 609       break;
 610     case PROP_LOGO_ICON_NAME:
 611       gtk_about_dialog_set_logo_icon_name (about, g_value_get_string (value));
 612       break;
 613     case PROP_WRAP_LICENSE:
 614       priv->wrap_license = g_value_get_boolean (value);
 615       break;
 616     default:
 617       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 618       break;
 619     }
 620 }
 621
 622 static void
 623 gtk_about_dialog_get_property (GObject    *object,
 624                                guint       prop_id,
 625                                GValue     *value,
 626                                GParamSpec *pspec)
 627 {
 628   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 629   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
 630
 631   switch (prop_id)
 632     {
 633     case PROP_NAME:
 634       g_value_set_string (value, priv->name);
 635       break;
 636     case PROP_VERSION:
 637       g_value_set_string (value, priv->version);
 638       break;
 639     case PROP_COPYRIGHT:
 640       g_value_set_string (value, priv->copyright);
 641       break;
 642     case PROP_COMMENTS:
 643       g_value_set_string (value, priv->comments);
 644       break;
 645     case PROP_WEBSITE:
 646       g_value_set_string (value, priv->website);
 647       break;
 648     case PROP_WEBSITE_LABEL:
 649       g_value_set_string (value, priv->website_label);
 650       break;
 651     case PROP_LICENSE:
 652       g_value_set_string (value, priv->license);
 653       break;
 654     case PROP_TRANSLATOR_CREDITS:
 655       g_value_set_string (value, priv->translator_credits);
 656       break;
 657     case PROP_AUTHORS:
 658       g_value_set_boxed (value, priv->authors);
 659       break;
 660     case PROP_DOCUMENTERS:
 661       g_value_set_boxed (value, priv->documenters);
 662       break;
 663     case PROP_ARTISTS:
 664       g_value_set_boxed (value, priv->artists);
 665       break;
 666     case PROP_LOGO:
 667       if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
 668         g_value_set_object (value, gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image)));
 669       else
 670         g_value_set_object (value, NULL);
 671       break;
 672     case PROP_LOGO_ICON_NAME:
 673       if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
 674         {
 675           const gchar *icon_name;
 676
 677           gtk_image_get_icon_name (GTK_IMAGE (priv->logo_image), &icon_name, NULL);
 678           g_value_set_string (value, icon_name);
 679         }
 680       else
 681         g_value_set_string (value, NULL);
 682       break;
 683     case PROP_WRAP_LICENSE:
 684       g_value_set_boolean (value, priv->wrap_license);
 685       break;
 686     default:
 687       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 688       break;
 689     }
 690 }
 691
 692 /**
 693  * gtk_about_dialog_get_name:
 694  * @about: a #GtkAboutDialog
 695  *
 696  * Returns the program name displayed in the about dialog.
 697  *
 698  * Return value: The program name. The string is owned by the about
 699  *  dialog and must not be modified.
 700  *
 701  * Since: 2.6
 702  **/
 703 G_CONST_RETURN gchar *
 704 gtk_about_dialog_get_name (GtkAboutDialog *about)
 705 {
 706   GtkAboutDialogPrivate *priv;
 707
 708   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 709
 710   priv = (GtkAboutDialogPrivate *)about->private_data;
 711
 712   return priv->name;
 713 }
 714
 715 static void
 716 update_name_version (GtkAboutDialog *about)
 717 {
 718   GtkAboutDialogPrivate *priv;
 719   gchar *title_string, *name_string;
 720
 721   priv = (GtkAboutDialogPrivate *)about->private_data;
 722
 723   title_string = g_strdup_printf (_("About %s"), priv->name);
 724   gtk_window_set_title (GTK_WINDOW (about), title_string);
 725   g_free (title_string);
 726
 727   if (priv->version != NULL)
 728     name_string = g_markup_printf_escaped ("<span size=\"xx-large\" weight=\"bold\">%s %s</span>",
 729                                              priv->name, priv->version);
 730   else
 731     name_string = g_markup_printf_escaped ("<span size=\"xx-large\" weight=\"bold\">%s</span>",
 732                                            priv->name);
 733
 734   gtk_label_set_markup (GTK_LABEL (priv->name_label), name_string);
 735
 736   g_free (name_string);
 737 }
 738
 739 /**
 740  * gtk_about_dialog_set_name:
 741  * @about: a #GtkAboutDialog
 742  * @name: the program name
 743  *
 744  * Sets the name to display in the about dialog.
 745  * If this is not set, it defaults to g_get_application_name().
 746  *
 747  * Since: 2.6
 748  **/
 749 void
 750 gtk_about_dialog_set_name (GtkAboutDialog *about,
 751                            const gchar    *name)
 752 {
 753   GtkAboutDialogPrivate *priv;
 754   gchar *tmp;
 755
 756   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 757
 758   priv = (GtkAboutDialogPrivate *)about->private_data;
 759   tmp = priv->name;
 760   priv->name = g_strdup (name ? name : g_get_application_name ());
 761   g_free (tmp);
 762
 763   update_name_version (about);
 764
 765   g_object_notify (G_OBJECT (about), "name");
 766 }
 767
 768 /**
 769  * gtk_about_dialog_get_version:
 770  * @about: a #GtkAboutDialog
 771  *
 772  * Returns the version string.
 773  *
 774  * Return value: The version string. The string is owned by the about
 775  *  dialog and must not be modified.
 776  *
 777  * Since: 2.6
 778  **/
 779 G_CONST_RETURN gchar *
 780 gtk_about_dialog_get_version (GtkAboutDialog *about)
 781 {
 782   GtkAboutDialogPrivate *priv;
 783
 784   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 785
 786   priv = (GtkAboutDialogPrivate *)about->private_data;
 787
 788   return priv->version;
 789 }
 790
 791 /**
 792  * gtk_about_dialog_set_version:
 793  * @about: a #GtkAboutDialog
 794  * @version: the version string
 795  *
 796  * Sets the version string to display in the about dialog.
 797  *
 798  * Since: 2.6
 799  **/
 800 void
 801 gtk_about_dialog_set_version (GtkAboutDialog *about,
 802                               const gchar    *version)
 803 {
 804   GtkAboutDialogPrivate *priv;
 805   gchar *tmp;
 806
 807   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 808
 809   priv = (GtkAboutDialogPrivate *)about->private_data;
 810
 811   tmp = priv->version;
 812   priv->version = version ? g_strdup (version) : NULL;
 813   g_free (tmp);
 814
 815   update_name_version (about);
 816
 817   g_object_notify (G_OBJECT (about), "version");
 818 }
 819
 820 /**
 821  * gtk_about_dialog_get_copyright:
 822  * @about: a #GtkAboutDialog
 823  *
 824  * Returns the copyright string.
 825  *
 826  * Return value: The copyright string. The string is owned by the about
 827  *  dialog and must not be modified.
 828  *
 829  * Since: 2.6
 830  **/
 831 G_CONST_RETURN gchar *
 832 gtk_about_dialog_get_copyright (GtkAboutDialog *about)
 833 {
 834   GtkAboutDialogPrivate *priv;
 835
 836   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 837
 838   priv = (GtkAboutDialogPrivate *)about->private_data;
 839
 840   return priv->copyright;
 841 }
 842
 843 /**
 844  * gtk_about_dialog_set_copyright:
 845  * @about: a #GtkAboutDialog
 846  * @copyright: the copyright string
 847  *
 848  * Sets the copyright string to display in the about dialog.
 849  * This should be a short string of one or two lines.
 850  *
 851  * Since: 2.6
 852  **/
 853 void
 854 gtk_about_dialog_set_copyright (GtkAboutDialog *about,
 855                                 const gchar    *copyright)
 856 {
 857   GtkAboutDialogPrivate *priv;
 858   gchar *copyright_string, *tmp;
 859
 860   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 861
 862   priv = (GtkAboutDialogPrivate *)about->private_data;
 863
 864   tmp = priv->copyright;
 865   priv->copyright = copyright ? g_strdup (copyright) : NULL;
 866   g_free (tmp);
 867
 868   if (priv->copyright != NULL)
 869     {
 870       copyright_string = g_markup_printf_escaped ("<span size=\"small\">%s</span>",
 871                                                   priv->copyright);
 872       gtk_label_set_markup (GTK_LABEL (priv->copyright_label), copyright_string);
 873       g_free (copyright_string);
 874
 875       gtk_widget_show (priv->copyright_label);
 876     }
 877   else
 878     gtk_widget_hide (priv->copyright_label);
 879
 880   g_object_notify (G_OBJECT (about), "copyright");
 881 }
 882
 883 /**
 884  * gtk_about_dialog_get_comments:
 885  * @about: a #GtkAboutDialog
 886  *
 887  * Returns the comments string.
 888  *
 889  * Return value: The comments. The string is owned by the about
 890  *  dialog and must not be modified.
 891  *
 892  * Since: 2.6
 893  **/
 894 G_CONST_RETURN gchar *
 895 gtk_about_dialog_get_comments (GtkAboutDialog *about)
 896 {
 897   GtkAboutDialogPrivate *priv;
 898
 899   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 900
 901   priv = (GtkAboutDialogPrivate *)about->private_data;
 902
 903   return priv->comments;
 904 }
 905
 906 /**
 907  * gtk_about_dialog_set_comments:
 908  * @about: a #GtkAboutDialog
 909  * @comments: a comments string
 910  *
 911  * Sets the comments string to display in the about
 912  * dialog. This should be a short string of one or
 913  * two lines.
 914  *
 915  * Since: 2.6
 916  **/
 917 void
 918 gtk_about_dialog_set_comments (GtkAboutDialog *about,
 919                                const gchar    *comments)
 920 {
 921   GtkAboutDialogPrivate *priv;
 922   gchar *tmp;
 923
 924   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 925
 926   priv = (GtkAboutDialogPrivate *)about->private_data;
 927
 928   tmp = priv->comments;
 929   if (comments)
 930     {
 931       priv->comments = g_strdup (comments);
 932       gtk_label_set_text (GTK_LABEL (priv->comments_label), priv->comments);
 933       gtk_widget_show (priv->comments_label);
 934     }
 935   else
 936     {
 937       priv->comments = NULL;
 938       gtk_widget_hide (priv->comments_label);
 939     }
 940   g_free (tmp);
 941
 942   g_object_notify (G_OBJECT (about), "comments");
 943 }
 944
 945 /**
 946  * gtk_about_dialog_get_license:
 947  * @about: a #GtkAboutDialog
 948  *
 949  * Returns the license information.
 950  *
 951  * Return value: The license information. The string is owned by the about
 952  *  dialog and must not be modified.
 953  *
 954  * Since: 2.6
 955  **/
 956 G_CONST_RETURN gchar *
 957 gtk_about_dialog_get_license (GtkAboutDialog *about)
 958 {
 959   GtkAboutDialogPrivate *priv;
 960
 961   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 962
 963   priv = (GtkAboutDialogPrivate *)about->private_data;
 964
 965   return priv->license;
 966 }
 967
 968 /**
 969  * gtk_about_dialog_set_license:
 970  * @about: a #GtkAboutDialog
 971  * @license: the license information or %NULL
 972  *
 973  * Sets the license information to be displayed in the secondary
 974  * license dialog. If @license is %NULL, the license button is
 975  * hidden.
 976  *
 977  * Since: 2.6
 978  **/
 979 void
 980 gtk_about_dialog_set_license (GtkAboutDialog *about,
 981                               const gchar    *license)
 982 {
 983   GtkAboutDialogPrivate *priv;
 984   gchar *tmp;
 985
 986   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 987
 988   priv = (GtkAboutDialogPrivate *)about->private_data;
 989
 990   tmp = priv->license;
 991   if (license)
 992     {
 993       priv->license = g_strdup (license);
 994       gtk_widget_show (priv->license_button);
 995     }
 996   else
 997     {
 998       priv->license = NULL;
 999       gtk_widget_hide (priv->license_button);
1000     }
1001   g_free (tmp);
1002
1003   g_object_notify (G_OBJECT (about), "license");
1004 }
1005
1006 /**
1007  * gtk_about_dialog_get_wrap_license:
1008  * @about: a #GtkAboutDialog
1009  *
1010  * Returns whether the license text in @about is
1011  * automatically wrapped.
1012  *
1013  * Returns: %TRUE if the license text is wrapped
1014  *
1015  * Since: 2.8
1016  */
1017 gboolean
1018 gtk_about_dialog_get_wrap_license (GtkAboutDialog *about)
1019 {
1020   GtkAboutDialogPrivate *priv;
1021
1022   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), FALSE);
1023
1024   priv = (GtkAboutDialogPrivate *)about->private_data;
1025
1026   return priv->wrap_license;
1027 }
1028
1029 /**
1030  * gtk_about_dialog_set_wrap_license:
1031  * @about: a #GtkAboutDialog
1032  * @wrap_license: whether to wrap the license
1033  *
1034  * Sets whether the license text in @about is
1035  * automatically wrapped.
1036  *
1037  * Since: 2.8
1038  */
1039 void
1040 gtk_about_dialog_set_wrap_license (GtkAboutDialog *about,
1041                                    gboolean        wrap_license)
1042 {
1043   GtkAboutDialogPrivate *priv;
1044
1045   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1046
1047   priv = (GtkAboutDialogPrivate *)about->private_data;
1048
1049   wrap_license = wrap_license != FALSE;
1050
1051   if (priv->wrap_license != wrap_license)
1052     {
1053        priv->wrap_license = wrap_license;
1054
1055        g_object_notify (G_OBJECT (about), "wrap-license");
1056     }
1057 }
1058
1059 /**
1060  * gtk_about_dialog_get_website:
1061  * @about: a #GtkAboutDialog
1062  *
1063  * Returns the website URL.
1064  *
1065  * Return value: The website URL. The string is owned by the about
1066  *  dialog and must not be modified.
1067  *
1068  * Since: 2.6
1069  **/
1070 G_CONST_RETURN gchar *
1071 gtk_about_dialog_get_website (GtkAboutDialog *about)
1072 {
1073   GtkAboutDialogPrivate *priv;
1074
1075   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1076
1077   priv = (GtkAboutDialogPrivate *)about->private_data;
1078
1079   return priv->website;
1080 }
1081
1082 /**
1083  * gtk_about_dialog_set_website:
1084  * @about: a #GtkAboutDialog
1085  * @website: a URL string starting with "http://"
1086  *
1087  * Sets the URL to use for the website link.
1088  *
1089  * Since: 2.6
1090  **/
1091 void
1092 gtk_about_dialog_set_website (GtkAboutDialog *about,
1093                               const gchar    *website)
1094 {
1095   GtkAboutDialogPrivate *priv;
1096   gchar *tmp;
1097
1098   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1099
1100   priv = (GtkAboutDialogPrivate *)about->private_data;
1101
1102   tmp = priv->website;
1103   if (website != NULL)
1104     {
1105       priv->website = g_strdup (website);
1106       if (activate_url_hook != NULL)
1107         {
1108           gtk_link_button_set_uri (GTK_LINK_BUTTON (priv->website_button), website);
1109           if (priv->website_label == NULL)
1110             gtk_about_dialog_set_website_label (about, website);
1111         }
1112       else
1113         {
1114           GtkWidget *hbox = priv->website_button->parent;
1115           gtk_widget_destroy (priv->website_button);
1116           priv->website_button = gtk_label_new (website);
1117           gtk_label_set_selectable (GTK_LABEL (priv->website_button), TRUE);
1118           gtk_container_add (GTK_CONTAINER (hbox), priv->website_button);
1119           gtk_widget_show (priv->website_button);
1120         }
1121     }
1122   else
1123     {
1124       priv->website = NULL;
1125       gtk_widget_hide (priv->website_button);
1126     }
1127   g_free (tmp);
1128
1129   g_object_notify (G_OBJECT (about), "website");
1130 }
1131
1132 /**
1133  * gtk_about_dialog_get_website_label:
1134  * @about: a #GtkAboutDialog
1135  *
1136  * Returns the label used for the website link.
1137  *
1138  * Return value: The label used for the website link. The string is owned by the about
1139  *  dialog and must not be modified.
1140  *
1141  * Since: 2.6
1142  **/
1143 G_CONST_RETURN gchar *
1144 gtk_about_dialog_get_website_label (GtkAboutDialog *about)
1145 {
1146   GtkAboutDialogPrivate *priv;
1147
1148   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1149
1150   priv = (GtkAboutDialogPrivate *)about->private_data;
1151
1152   return priv->website_label;
1153 }
1154
1155 /**
1156  * gtk_about_dialog_set_website_label:
1157  * @about: a #GtkAboutDialog
1158  * @website_label: the label used for the website link
1159  *
1160  * Sets the label to be used for the website link.
1161  * It defaults to the website URL.
1162  *
1163  * Since: 2.6
1164  **/
1165 void
1166 gtk_about_dialog_set_website_label (GtkAboutDialog *about,
1167                                     const gchar    *website_label)
1168 {
1169   GtkAboutDialogPrivate *priv;
1170   gchar *tmp;
1171
1172   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1173
1174   priv = (GtkAboutDialogPrivate *)about->private_data;
1175
1176   tmp = priv->website_label;
1177   if (activate_url_hook != NULL)
1178     {
1179       if (website_label != NULL)
1180         {
1181           priv->website_label = g_strdup (website_label);
1182           gtk_button_set_label (GTK_BUTTON (priv->website_button),
1183                                 priv->website_label);
1184           gtk_widget_show (priv->website_button);
1185         }
1186       else
1187         {
1188           priv->website_label = NULL;
1189           gtk_widget_hide (priv->website_button);
1190         }
1191     }
1192   g_free (tmp);
1193
1194   g_object_notify (G_OBJECT (about), "website-label");
1195 }
1196
1197 /**
1198  * gtk_about_dialog_get_authors:
1199  * @about: a #GtkAboutDialog
1200  *
1201  * Returns the string which are displayed in the authors tab
1202  * of the secondary credits dialog.
1203  *
1204  * Return value: A %NULL-terminated string array containing
1205  *  the authors. The array is owned by the about dialog
1206  *  and must not be modified.
1207  *
1208  * Since: 2.6
1209  **/
1210 G_CONST_RETURN gchar * G_CONST_RETURN *
1211 gtk_about_dialog_get_authors (GtkAboutDialog *about)
1212 {
1213   GtkAboutDialogPrivate *priv;
1214
1215   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1216
1217   priv = (GtkAboutDialogPrivate *)about->private_data;
1218
1219   return (const gchar * const *) priv->authors;
1220 }
1221
1222 static void
1223 update_credits_button_visibility (GtkAboutDialog *about)
1224 {
1225   GtkAboutDialogPrivate *priv = about->private_data;
1226   gboolean show;
1227
1228   show = priv->authors != NULL ||
1229          priv->documenters != NULL ||
1230          priv->artists != NULL ||
1231          (priv->translator_credits != NULL &&
1232           strcmp (priv->translator_credits, "translator_credits") &&
1233           strcmp (priv->translator_credits, "translator-credits"));
1234   if (show)
1235     gtk_widget_show (priv->credits_button);
1236   else
1237     gtk_widget_hide (priv->credits_button);
1238 }
1239
1240 /**
1241  * gtk_about_dialog_set_authors:
1242  * @about: a #GtkAboutDialog
1243  * @authors: a %NULL-terminated array of strings
1244  *
1245  * Sets the strings which are displayed in the authors tab
1246  * of the secondary credits dialog.
1247  *
1248  * Since: 2.6
1249  **/
1250 void
1251 gtk_about_dialog_set_authors (GtkAboutDialog  *about,
1252                               const gchar    **authors)
1253 {
1254   GtkAboutDialogPrivate *priv;
1255   gchar **tmp;
1256
1257   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1258
1259   priv = (GtkAboutDialogPrivate *)about->private_data;
1260
1261   tmp = priv->authors;
1262   priv->authors = g_strdupv ((gchar **)authors);
1263   g_strfreev (tmp);
1264
1265   update_credits_button_visibility (about);
1266
1267   g_object_notify (G_OBJECT (about), "authors");
1268 }
1269
1270 /**
1271  * gtk_about_dialog_get_documenters:
1272  * @about: a #GtkAboutDialog
1273  *
1274  * Returns the string which are displayed in the documenters
1275  * tab of the secondary credits dialog.
1276  *
1277  * Return value: A %NULL-terminated string array containing
1278  *  the documenters. The array is owned by the about dialog
1279  *  and must not be modified.
1280  *
1281  * Since: 2.6
1282  **/
1283 G_CONST_RETURN gchar * G_CONST_RETURN *
1284 gtk_about_dialog_get_documenters (GtkAboutDialog *about)
1285 {
1286   GtkAboutDialogPrivate *priv;
1287
1288   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1289
1290   priv = (GtkAboutDialogPrivate *)about->private_data;
1291
1292   return (const gchar * const *)priv->documenters;
1293 }
1294
1295 /**
1296  * gtk_about_dialog_set_documenters:
1297  * @about: a #GtkAboutDialog
1298  * @documenters: a %NULL-terminated array of strings
1299  *
1300  * Sets the strings which are displayed in the documenters tab
1301  * of the secondary credits dialog.
1302  *
1303  * Since: 2.6
1304  **/
1305 void
1306 gtk_about_dialog_set_documenters (GtkAboutDialog *about,
1307                                   const gchar   **documenters)
1308 {
1309   GtkAboutDialogPrivate *priv;
1310   gchar **tmp;
1311
1312   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1313
1314   priv = (GtkAboutDialogPrivate *)about->private_data;
1315
1316   tmp = priv->documenters;
1317   priv->documenters = g_strdupv ((gchar **)documenters);
1318   g_strfreev (tmp);
1319
1320   update_credits_button_visibility (about);
1321
1322   g_object_notify (G_OBJECT (about), "documenters");
1323 }
1324
1325 /**
1326  * gtk_about_dialog_get_artists:
1327  * @about: a #GtkAboutDialog
1328  *
1329  * Returns the string which are displayed in the artists tab
1330  * of the secondary credits dialog.
1331  *
1332  * Return value: A %NULL-terminated string array containing
1333  *  the artists. The array is owned by the about dialog
1334  *  and must not be modified.
1335  *
1336  * Since: 2.6
1337  **/
1338 G_CONST_RETURN gchar * G_CONST_RETURN *
1339 gtk_about_dialog_get_artists (GtkAboutDialog *about)
1340 {
1341   GtkAboutDialogPrivate *priv;
1342
1343   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1344
1345   priv = (GtkAboutDialogPrivate *)about->private_data;
1346
1347   return (const gchar * const *)priv->artists;
1348 }
1349
1350 /**
1351  * gtk_about_dialog_set_artists:
1352  * @about: a #GtkAboutDialog
1353  * @artists: a %NULL-terminated array of strings
1354  *
1355  * Sets the strings which are displayed in the artists tab
1356  * of the secondary credits dialog.
1357  *
1358  * Since: 2.6
1359  **/
1360 void
1361 gtk_about_dialog_set_artists (GtkAboutDialog *about,
1362                               const gchar   **artists)
1363 {
1364   GtkAboutDialogPrivate *priv;
1365   gchar **tmp;
1366
1367   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1368
1369   priv = (GtkAboutDialogPrivate *)about->private_data;
1370
1371   tmp = priv->artists;
1372   priv->artists = g_strdupv ((gchar **)artists);
1373   g_strfreev (tmp);
1374
1375   update_credits_button_visibility (about);
1376
1377   g_object_notify (G_OBJECT (about), "artists");
1378 }
1379
1380 /**
1381  * gtk_about_dialog_get_translator_credits:
1382  * @about: a #GtkAboutDialog
1383  *
1384  * Returns the translator credits string which is displayed
1385  * in the translators tab of the secondary credits dialog.
1386  *
1387  * Return value: The translator credits string. The string is
1388  *   owned by the about dialog and must not be modified.
1389  *
1390  * Since: 2.6
1391  **/
1392 G_CONST_RETURN gchar *
1393 gtk_about_dialog_get_translator_credits (GtkAboutDialog *about)
1394 {
1395   GtkAboutDialogPrivate *priv;
1396
1397   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1398
1399   priv = (GtkAboutDialogPrivate *)about->private_data;
1400
1401   return priv->translator_credits;
1402 }
1403
1404 /**
1405  * gtk_about_dialog_set_translator_credits:
1406  * @about: a #GtkAboutDialog
1407  * @translator_credits: the translator credits
1408  *
1409  * Sets the translator credits string which is displayed in
1410  * the translators tab of the secondary credits dialog.
1411  *
1412  * The intended use for this string is to display the translator
1413  * of the language which is currently used in the user interface.
1414  * Using gettext(), a simple way to achieve that is to mark the
1415  * string for translation:
1416  * <informalexample><programlisting>
1417  *  gtk_about_dialog_set_translator_credits (about, _("translator-credits"));
1418  * </programlisting></informalexample>
1419  * It is a good idea to use the customary msgid "translator-credits" for this
1420  * purpose, since translators will already know the purpose of that msgid, and
1421  * since #GtkAboutDialog will detect if "translator-credits" is untranslated
1422  * and hide the tab.
1423  *
1424  * Since: 2.6
1425  **/
1426 void
1427 gtk_about_dialog_set_translator_credits (GtkAboutDialog *about,
1428                                          const gchar    *translator_credits)
1429 {
1430   GtkAboutDialogPrivate *priv;
1431   gchar *tmp;
1432
1433   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1434
1435   priv = (GtkAboutDialogPrivate *)about->private_data;
1436
1437   tmp = priv->translator_credits;
1438   priv->translator_credits = g_strdup (translator_credits);
1439   g_free (tmp);
1440
1441   update_credits_button_visibility (about);
1442
1443   g_object_notify (G_OBJECT (about), "translator-credits");
1444 }
1445
1446 /**
1447  * gtk_about_dialog_get_logo:
1448  * @about: a #GtkAboutDialog
1449  *
1450  * Returns the pixbuf displayed as logo in the about dialog.
1451  *
1452  * Return value: the pixbuf displayed as logo. The pixbuf is
1453  *   owned by the about dialog. If you want to keep a reference
1454  *   to it, you have to call g_object_ref() on it.
1455  *
1456  * Since: 2.6
1457  **/
1458 GdkPixbuf *
1459 gtk_about_dialog_get_logo (GtkAboutDialog *about)
1460 {
1461   GtkAboutDialogPrivate *priv;
1462
1463   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1464
1465   priv = (GtkAboutDialogPrivate *)about->private_data;
1466
1467   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1468     return gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image));
1469   else
1470     return NULL;
1471 }
1472
1473 static GtkIconSet *
1474 icon_set_new_from_pixbufs (GList *pixbufs)
1475 {
1476   GtkIconSet *icon_set = gtk_icon_set_new ();
1477
1478   for (; pixbufs; pixbufs = pixbufs->next)
1479     {
1480       GdkPixbuf *pixbuf = GDK_PIXBUF (pixbufs->data);
1481
1482       GtkIconSource *icon_source = gtk_icon_source_new ();
1483       gtk_icon_source_set_pixbuf (icon_source, pixbuf);
1484       gtk_icon_set_add_source (icon_set, icon_source);
1485       gtk_icon_source_free (icon_source);
1486     }
1487
1488   return icon_set;
1489 }
1490
1491 /**
1492  * gtk_about_dialog_set_logo:
1493  * @about: a #GtkAboutDialog
1494  * @logo: a #GdkPixbuf, or %NULL
1495  *
1496  * Sets the pixbuf to be displayed as logo in
1497  * the about dialog. If it is %NULL, the default
1498  * window icon set with gtk_window_set_default_icon ()
1499  * will be used.
1500  *
1501  * Since: 2.6
1502  **/
1503 void
1504 gtk_about_dialog_set_logo (GtkAboutDialog *about,
1505                            GdkPixbuf      *logo)
1506 {
1507   GtkAboutDialogPrivate *priv;
1508
1509   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1510
1511   priv = (GtkAboutDialogPrivate *)about->private_data;
1512
1513   g_object_freeze_notify (G_OBJECT (about));
1514
1515   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1516     g_object_notify (G_OBJECT (about), "logo-icon-name");
1517
1518   if (logo != NULL)
1519     gtk_image_set_from_pixbuf (GTK_IMAGE (priv->logo_image), logo);
1520   else
1521     {
1522       GList *pixbufs = gtk_window_get_default_icon_list ();
1523
1524       if (pixbufs != NULL)
1525         {
1526           GtkIconSet *icon_set = icon_set_new_from_pixbufs (pixbufs);
1527
1528           gtk_image_set_from_icon_set (GTK_IMAGE (priv->logo_image),
1529                                        icon_set, GTK_ICON_SIZE_DIALOG);
1530
1531           gtk_icon_set_unref (icon_set);
1532           g_list_free (pixbufs);
1533         }
1534     }
1535
1536   g_object_notify (G_OBJECT (about), "logo");
1537
1538   g_object_thaw_notify (G_OBJECT (about));
1539 }
1540
1541 /**
1542  * gtk_about_dialog_get_logo_icon_name:
1543  * @about: a #GtkAboutDialog
1544  *
1545  * Returns the icon name displayed as logo in the about dialog.
1546  *
1547  * Return value: the icon name displayed as logo. The string is
1548  *   owned by the dialog. If you want to keep a reference
1549  *   to it, you have to call g_strdup() on it.
1550  *
1551  * Since: 2.6
1552  **/
1553 G_CONST_RETURN gchar *
1554 gtk_about_dialog_get_logo_icon_name (GtkAboutDialog *about)
1555 {
1556   GtkAboutDialogPrivate *priv;
1557   const gchar *icon_name = NULL;
1558
1559   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1560
1561   priv = (GtkAboutDialogPrivate *)about->private_data;
1562
1563   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1564     gtk_image_get_icon_name (GTK_IMAGE (priv->logo_image), &icon_name, NULL);
1565
1566   return icon_name;
1567 }
1568
1569 /**
1570  * gtk_about_dialog_set_logo_icon_name:
1571  * @about: a #GtkAboutDialog
1572  * @icon_name: an icon name, or %NULL
1573  *
1574  * Sets the pixbuf to be displayed as logo in
1575  * the about dialog. If it is %NULL, the default
1576  * window icon set with gtk_window_set_default_icon()
1577  * will be used.
1578  *
1579  * Since: 2.6
1580  **/
1581 void
1582 gtk_about_dialog_set_logo_icon_name (GtkAboutDialog *about,
1583                                      const gchar    *icon_name)
1584 {
1585   GtkAboutDialogPrivate *priv;
1586
1587   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1588
1589   priv = (GtkAboutDialogPrivate *)about->private_data;
1590
1591   g_object_freeze_notify (G_OBJECT (about));
1592
1593   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1594     g_object_notify (G_OBJECT (about), "logo");
1595
1596   gtk_image_set_from_icon_name (GTK_IMAGE (priv->logo_image), icon_name,
1597                                 GTK_ICON_SIZE_DIALOG);
1598   g_object_notify (G_OBJECT (about), "logo-icon-name");
1599
1600   g_object_thaw_notify (G_OBJECT (about));
1601 }
1602
1603 static void
1604 activate_url (GtkWidget *widget,
1605               gpointer   data)
1606 {
1607   GtkAboutDialog *about = GTK_ABOUT_DIALOG (data);
1608   const gchar *url = gtk_link_button_get_uri (GTK_LINK_BUTTON (widget));
1609
1610   if (activate_url_hook != NULL)
1611     (* activate_url_hook) (about, url, activate_url_hook_data);
1612 }
1613
1614 static void
1615 follow_if_link (GtkAboutDialog *about,
1616                 GtkTextView    *text_view,
1617                 GtkTextIter    *iter)
1618 {
1619   GSList *tags = NULL, *tagp = NULL;
1620   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1621   gchar *url = NULL;
1622
1623   tags = gtk_text_iter_get_tags (iter);
1624   for (tagp = tags; tagp != NULL && !url; tagp = tagp->next)
1625     {
1626       GtkTextTag *tag = tagp->data;
1627
1628       if (activate_email_hook != NULL)
1629         {
1630           url = g_object_get_data (G_OBJECT (tag), "email");
1631           if (url)
1632             (* activate_email_hook) (about, url, activate_email_hook_data);
1633         }
1634
1635       if (!url && activate_url_hook != NULL)
1636         {
1637           url = g_object_get_data (G_OBJECT (tag), "url");
1638           if (url)
1639             (* activate_url_hook) (about, url, activate_url_hook_data);
1640         }
1641
1642       if (url && !g_slist_find_custom (priv->visited_links, url, (GCompareFunc)strcmp))
1643         {
1644           GdkColor *style_visited_link_color;
1645           GdkColor color;
1646
1647           gtk_widget_ensure_style (GTK_WIDGET (about));
1648           gtk_widget_style_get (GTK_WIDGET (about),
1649                                 "visited-link-color", &style_visited_link_color,
1650                                 NULL);
1651           if (style_visited_link_color)
1652             {
1653               color = *style_visited_link_color;
1654               gdk_color_free (style_visited_link_color);
1655             }
1656           else
1657             color = default_visited_link_color;
1658
1659           g_object_set (G_OBJECT (tag), "foreground-gdk", &color, NULL);
1660
1661           priv->visited_links = g_slist_prepend (priv->visited_links, g_strdup (url));
1662         }
1663     }
1664
1665   if (tags)
1666     g_slist_free (tags);
1667 }
1668
1669 static gboolean
1670 credits_key_press_event (GtkWidget      *text_view,
1671                          GdkEventKey    *event,
1672                          GtkAboutDialog *about)
1673 {
1674   GtkTextIter iter;
1675   GtkTextBuffer *buffer;
1676
1677   switch (event->keyval)
1678     {
1679       case GDK_Return:
1680       case GDK_KP_Enter:
1681         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1682         gtk_text_buffer_get_iter_at_mark (buffer, &iter,
1683                                           gtk_text_buffer_get_insert (buffer));
1684         follow_if_link (about, GTK_TEXT_VIEW (text_view), &iter);
1685         break;
1686
1687       default:
1688         break;
1689     }
1690
1691   return FALSE;
1692 }
1693
1694 static gboolean
1695 credits_event_after (GtkWidget      *text_view,
1696                      GdkEvent       *event,
1697                      GtkAboutDialog *about)
1698 {
1699   GtkTextIter start, end, iter;
1700   GtkTextBuffer *buffer;
1701   GdkEventButton *button_event;
1702   gint x, y;
1703
1704   if (event->type != GDK_BUTTON_RELEASE)
1705     return FALSE;
1706
1707   button_event = (GdkEventButton *)event;
1708
1709   if (button_event->button != 1)
1710     return FALSE;
1711
1712   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1713
1714   /* we shouldn't follow a link if the user has selected something */
1715   gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
1716   if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end))
1717     return FALSE;
1718
1719   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1720                                          GTK_TEXT_WINDOW_WIDGET,
1721                                          button_event->x, button_event->y, &x, &y);
1722
1723   gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (text_view), &iter, x, y);
1724
1725   follow_if_link (about, GTK_TEXT_VIEW (text_view), &iter);
1726
1727   return FALSE;
1728 }
1729
1730 static void
1731 set_cursor_if_appropriate (GtkAboutDialog *about,
1732                            GtkTextView    *text_view,
1733                            gint            x,
1734                            gint            y)
1735 {
1736   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1737   GSList *tags = NULL, *tagp = NULL;
1738   GtkTextIter iter;
1739   gboolean hovering_over_link = FALSE;
1740
1741   gtk_text_view_get_iter_at_location (text_view, &iter, x, y);
1742
1743   tags = gtk_text_iter_get_tags (&iter);
1744   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
1745     {
1746       GtkTextTag *tag = tagp->data;
1747       gchar *email = g_object_get_data (G_OBJECT (tag), "email");
1748       gchar *url = g_object_get_data (G_OBJECT (tag), "url");
1749
1750       if (email != NULL || url != NULL)
1751         {
1752           hovering_over_link = TRUE;
1753           break;
1754         }
1755     }
1756
1757   if (hovering_over_link != priv->hovering_over_link)
1758     {
1759       priv->hovering_over_link = hovering_over_link;
1760
1761       if (hovering_over_link)
1762         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->hand_cursor);
1763       else
1764         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->regular_cursor);
1765     }
1766
1767   if (tags)
1768     g_slist_free (tags);
1769 }
1770
1771 static gboolean
1772 credits_motion_notify_event (GtkWidget *text_view,
1773                              GdkEventMotion *event,
1774                              GtkAboutDialog *about)
1775 {
1776   gint x, y;
1777
1778   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1779                                          GTK_TEXT_WINDOW_WIDGET,
1780                                          event->x, event->y, &x, &y);
1781
1782   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), x, y);
1783
1784   gdk_window_get_pointer (text_view->window, NULL, NULL, NULL);
1785
1786   return FALSE;
1787 }
1788
1789
1790 static gboolean
1791 credits_visibility_notify_event (GtkWidget          *text_view,
1792                                  GdkEventVisibility *event,
1793                                  GtkAboutDialog     *about)
1794 {
1795   gint wx, wy, bx, by;
1796
1797   gdk_window_get_pointer (text_view->window, &wx, &wy, NULL);
1798
1799   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1800                                          GTK_TEXT_WINDOW_WIDGET,
1801                                          wx, wy, &bx, &by);
1802
1803   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), bx, by);
1804
1805   return FALSE;
1806 }
1807
1808 static void
1809 text_view_style_set (GtkWidget *widget,
1810                      GtkStyle  *prev_style,
1811                      GtkWidget *text_view)
1812 {
1813   gtk_widget_modify_base (text_view, GTK_STATE_NORMAL,
1814                           &widget->style->bg[GTK_STATE_NORMAL]);
1815 }
1816
1817 static void
1818 add_credits_page (GtkAboutDialog *about,
1819                   GtkWidget      *notebook,
1820                   gchar          *title,
1821                   gchar         **people)
1822 {
1823   gchar **p;
1824   gchar *q0, *q1, *q2, *r1, *r2;
1825   GtkWidget *sw, *view;
1826   GtkTextBuffer *buffer;
1827   gboolean linkify_email, linkify_urls;
1828   GdkColor *style_link_color;
1829   GdkColor *style_visited_link_color;
1830   GdkColor color;
1831   GdkColor link_color;
1832   GdkColor visited_link_color;
1833   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1834
1835   linkify_email = (activate_email_hook != NULL);
1836   linkify_urls = (activate_url_hook != NULL);
1837
1838   gtk_widget_ensure_style (GTK_WIDGET (about));
1839   gtk_widget_style_get (GTK_WIDGET (about),
1840                         "link-color", &style_link_color,
1841                         "visited-link-color", &style_visited_link_color,
1842                         NULL);
1843   if (style_link_color)
1844     {
1845       link_color = *style_link_color;
1846       gdk_color_free (style_link_color);
1847     }
1848   else
1849     link_color = default_link_color;
1850
1851   if (style_visited_link_color)
1852     {
1853       visited_link_color = *style_visited_link_color;
1854       gdk_color_free (style_visited_link_color);
1855     }
1856   else
1857     visited_link_color = default_visited_link_color;
1858
1859   view = gtk_text_view_new ();
1860   g_signal_connect_object (about, "style_set",
1861                            G_CALLBACK (text_view_style_set), view, 0);
1862
1863   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
1864   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
1865   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
1866
1867   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
1868   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
1869
1870   g_signal_connect (view, "key_press_event",
1871                     G_CALLBACK (credits_key_press_event), about);
1872   g_signal_connect (view, "event_after",
1873                     G_CALLBACK (credits_event_after), about);
1874   g_signal_connect (view, "motion_notify_event",
1875                     G_CALLBACK (credits_motion_notify_event), about);
1876   g_signal_connect (view, "visibility_notify_event",
1877                     G_CALLBACK (credits_visibility_notify_event), about);
1878
1879   sw = gtk_scrolled_window_new (NULL, NULL);
1880   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
1881                                        GTK_SHADOW_IN);
1882   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
1883                                   GTK_POLICY_AUTOMATIC,
1884                                   GTK_POLICY_AUTOMATIC);
1885   gtk_container_add (GTK_CONTAINER (sw), view);
1886
1887   gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
1888                             sw, gtk_label_new (title));
1889
1890   if (people == NULL)
1891     {
1892       gtk_widget_hide (view);
1893       return;
1894     }
1895   else
1896     gtk_widget_show (view);
1897
1898   for (p = people; *p; p++)
1899     {
1900       q0  = *p;
1901       while (*q0)
1902         {
1903           q1 = linkify_email ? strchr (q0, '<') : NULL;
1904           q2 = q1 ? strchr (q1, '>') : NULL;
1905           r1 = linkify_urls ? strstr (q0, "http://") : NULL;
1906           if (r1)
1907             {
1908               r2 = strpbrk (r1, " \n\t");
1909               if (!r2)
1910                 r2 = strchr (r1, '\0');
1911             }
1912           else
1913             r2 = NULL;
1914
1915           if (r1 && r2 && (!q1 || !q2 || (r1 < q1)))
1916             {
1917               q1 = r1;
1918               q2 = r2;
1919             }
1920
1921           if (q1 && q2)
1922             {
1923               GtkTextIter end;
1924               gchar *link;
1925               const gchar *link_type;
1926               GtkTextTag *tag;
1927
1928               gtk_text_buffer_insert_at_cursor (buffer, q0, q1 - q0);
1929               gtk_text_buffer_get_end_iter (buffer, &end);
1930
1931               q0 = q2;
1932
1933               if (*q1 == '<')
1934                 {
1935                   q1++;
1936                   q0++;
1937                   link_type = I_("email");
1938                 }
1939               else
1940                 link_type = I_("url");
1941
1942               link = g_strndup (q1, q2 - q1);
1943
1944               if (g_slist_find_custom (priv->visited_links, link, (GCompareFunc)strcmp))
1945                 color = visited_link_color;
1946               else
1947                 color = link_color;
1948
1949               tag = gtk_text_buffer_create_tag (buffer, NULL,
1950                                                 "foreground-gdk", &color,
1951                                                 "underline", PANGO_UNDERLINE_SINGLE,
1952                                                 NULL);
1953               g_object_set_data_full (G_OBJECT (tag), link_type, g_strdup (link), g_free);
1954               gtk_text_buffer_insert_with_tags (buffer, &end, link, -1, tag, NULL);
1955
1956               g_free (link);
1957             }
1958           else
1959             {
1960               gtk_text_buffer_insert_at_cursor (buffer, q0, -1);
1961               break;
1962             }
1963         }
1964
1965       if (p[1])
1966         gtk_text_buffer_insert_at_cursor (buffer, "\n", 1);
1967     }
1968 }
1969
1970 static void
1971 display_credits_dialog (GtkWidget *button,
1972                         gpointer   data)
1973 {
1974   GtkAboutDialog *about = (GtkAboutDialog *)data;
1975   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1976   GtkWidget *dialog, *notebook;
1977   GtkDialog *credits_dialog;
1978
1979   if (priv->credits_dialog != NULL)
1980     {
1981       gtk_window_present (GTK_WINDOW (priv->credits_dialog));
1982       return;
1983     }
1984
1985   dialog = gtk_dialog_new_with_buttons (_("Credits"),
1986                                         GTK_WINDOW (about),
1987                                         GTK_DIALOG_DESTROY_WITH_PARENT,
1988                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CANCEL,
1989                                         NULL);
1990   credits_dialog = GTK_DIALOG (dialog);
1991   gtk_dialog_set_has_separator (credits_dialog, FALSE);
1992   gtk_container_set_border_width (GTK_CONTAINER (credits_dialog), 5);
1993   gtk_box_set_spacing (GTK_BOX (credits_dialog->vbox), 2); /* 2 * 5 + 2 = 12 */
1994   gtk_container_set_border_width (GTK_CONTAINER (credits_dialog->action_area), 5);
1995
1996   priv->credits_dialog = dialog;
1997   gtk_window_set_default_size (GTK_WINDOW (dialog), 360, 260);
1998   gtk_dialog_set_default_response (credits_dialog, GTK_RESPONSE_CANCEL);
1999
2000   gtk_window_set_modal (GTK_WINDOW (dialog),
2001                         gtk_window_get_modal (GTK_WINDOW (about)));
2002
2003   g_signal_connect (dialog, "response",
2004                     G_CALLBACK (gtk_widget_destroy), dialog);
2005   g_signal_connect (dialog, "destroy",
2006                     G_CALLBACK (gtk_widget_destroyed),
2007                     &(priv->credits_dialog));
2008
2009   notebook = gtk_notebook_new ();
2010   gtk_container_set_border_width (GTK_CONTAINER (notebook), 5);
2011   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), notebook, TRUE, TRUE, 0);
2012
2013   if (priv->authors != NULL)
2014     add_credits_page (about, notebook, _("Written by"), priv->authors);
2015
2016   if (priv->documenters != NULL)
2017     add_credits_page (about, notebook, _("Documented by"), priv->documenters);
2018
2019   /* Don't show an untranslated gettext msgid */
2020   if (priv->translator_credits != NULL &&
2021       strcmp (priv->translator_credits, "translator_credits") &&
2022       strcmp (priv->translator_credits, "translator-credits"))
2023     {
2024       gchar *translators[2];
2025
2026       translators[0] = priv->translator_credits;
2027       translators[1] = NULL;
2028
2029       add_credits_page (about, notebook, _("Translated by"), translators);
2030     }
2031
2032   if (priv->artists != NULL)
2033     add_credits_page (about, notebook, _("Artwork by"), priv->artists);
2034
2035   gtk_widget_show_all (dialog);
2036 }
2037
2038 static void
2039 set_policy (GtkWidget *sw)
2040 {
2041   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
2042                                   GTK_POLICY_AUTOMATIC,
2043                                   GTK_POLICY_AUTOMATIC);
2044 }
2045
2046 static void
2047 display_license_dialog (GtkWidget *button,
2048                         gpointer   data)
2049 {
2050   GtkAboutDialog *about = (GtkAboutDialog *)data;
2051   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
2052   GtkWidget *dialog, *view, *sw;
2053   GtkDialog *licence_dialog;
2054
2055   if (priv->license_dialog != NULL)
2056     {
2057       gtk_window_present (GTK_WINDOW (priv->license_dialog));
2058       return;
2059     }
2060
2061   dialog = gtk_dialog_new_with_buttons (_("License"),
2062                                         GTK_WINDOW (about),
2063                                         GTK_DIALOG_DESTROY_WITH_PARENT,
2064                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CANCEL,
2065                                         NULL);
2066   licence_dialog = GTK_DIALOG (dialog);
2067   gtk_dialog_set_has_separator (licence_dialog, FALSE);
2068   gtk_container_set_border_width (GTK_CONTAINER (licence_dialog), 5);
2069   gtk_box_set_spacing (GTK_BOX (licence_dialog->vbox), 2); /* 2 * 5 + 2 = 12 */
2070   gtk_container_set_border_width (GTK_CONTAINER (licence_dialog->action_area), 5);
2071
2072   priv->license_dialog = dialog;
2073   gtk_window_set_default_size (GTK_WINDOW (dialog), 420, 320);
2074   gtk_dialog_set_default_response (licence_dialog, GTK_RESPONSE_CANCEL);
2075
2076   gtk_window_set_modal (GTK_WINDOW (dialog),
2077                         gtk_window_get_modal (GTK_WINDOW (about)));
2078
2079   g_signal_connect (dialog, "response",
2080                     G_CALLBACK (gtk_widget_destroy), dialog);
2081   g_signal_connect (dialog, "destroy",
2082                     G_CALLBACK (gtk_widget_destroyed),
2083                     &(priv->license_dialog));
2084
2085   sw = gtk_scrolled_window_new (NULL, NULL);
2086   gtk_container_set_border_width (GTK_CONTAINER (sw), 5);
2087   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
2088                                        GTK_SHADOW_IN);
2089   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
2090                                   GTK_POLICY_NEVER,
2091                                   GTK_POLICY_AUTOMATIC);
2092   g_signal_connect (sw, "map", G_CALLBACK (set_policy), NULL);
2093   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), sw, TRUE, TRUE, 0);
2094
2095   view = gtk_text_view_new ();
2096   gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (view),
2097                                priv->wrap_license ? GTK_WRAP_WORD : GTK_WRAP_NONE);
2098   gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)),
2099                             priv->license, -1);
2100
2101   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
2102   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
2103
2104   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
2105   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
2106
2107   gtk_container_add (GTK_CONTAINER (sw), view);
2108
2109   gtk_widget_show_all (dialog);
2110 }
2111
2112 /**
2113  * gtk_about_dialog_new:
2114  *
2115  * Creates a new #GtkAboutDialog.
2116  *
2117  * Returns: a newly created #GtkAboutDialog
2118  *
2119  * Since: 2.6
2120  */
2121 GtkWidget *
2122 gtk_about_dialog_new (void)
2123 {
2124   GtkAboutDialog *dialog = g_object_new (GTK_TYPE_ABOUT_DIALOG, NULL);
2125
2126   return GTK_WIDGET (dialog);
2127 }
2128
2129 /**
2130  * gtk_about_dialog_set_email_hook:
2131  * @func: a function to call when an email link is activated.
2132  * @data: data to pass to @func
2133  * @destroy: #GDestroyNotify for @data
2134  *
2135  * Installs a global function to be called whenever the user activates an
2136  * email link in an about dialog.
2137  *
2138  * Return value: the previous email hook.
2139  *
2140  * Since: 2.6
2141  */
2142 GtkAboutDialogActivateLinkFunc
2143 gtk_about_dialog_set_email_hook (GtkAboutDialogActivateLinkFunc func,
2144                                  gpointer                       data,
2145                                  GDestroyNotify                 destroy)
2146 {
2147   GtkAboutDialogActivateLinkFunc old;
2148
2149   if (activate_email_hook_destroy != NULL)
2150     (* activate_email_hook_destroy) (activate_email_hook_data);
2151
2152   old = activate_email_hook;
2153
2154   activate_email_hook = func;
2155   activate_email_hook_data = data;
2156   activate_email_hook_destroy = destroy;
2157
2158   return old;
2159 }
2160
2161 /**
2162  * gtk_about_dialog_set_url_hook:
2163  * @func: a function to call when a URL link is activated.
2164  * @data: data to pass to @func
2165  * @destroy: #GDestroyNotify for @data
2166  *
2167  * Installs a global function to be called whenever the user activates a
2168  * URL link in an about dialog.
2169  *
2170  * Return value: the previous URL hook.
2171  *
2172  * Since: 2.6
2173  */
2174 GtkAboutDialogActivateLinkFunc
2175 gtk_about_dialog_set_url_hook (GtkAboutDialogActivateLinkFunc func,
2176                                gpointer                       data,
2177                                GDestroyNotify                 destroy)
2178 {
2179   GtkAboutDialogActivateLinkFunc old;
2180
2181   if (activate_url_hook_destroy != NULL)
2182     (* activate_url_hook_destroy) (activate_url_hook_data);
2183
2184   old = activate_url_hook;
2185
2186   activate_url_hook = func;
2187   activate_url_hook_data = data;
2188   activate_url_hook_destroy = destroy;
2189
2190   return old;
2191 }
2192
2193 static void
2194 close_cb (GtkAboutDialog *about)
2195 {
2196   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
2197
2198   if (priv->license_dialog != NULL)
2199     {
2200       gtk_widget_destroy (priv->license_dialog);
2201       priv->license_dialog = NULL;
2202     }
2203
2204   if (priv->credits_dialog != NULL)
2205     {
2206       gtk_widget_destroy (priv->credits_dialog);
2207       priv->credits_dialog = NULL;
2208     }
2209
2210   gtk_widget_hide (GTK_WIDGET (about));
2211
2212 }
2213
2214 /**
2215  * gtk_show_about_dialog:
2216  * @parent: transient parent, or %NULL for none
2217  * @first_property_name: the name of the first property
2218  * @Varargs: value of first property, followed by more properties, %NULL-terminated
2219  *
2220  * This is a convenience function for showing an application's about box.
2221  * The constructed dialog is associated with the parent window and
2222  * reused for future invocations of this function.
2223  *
2224  * Since: 2.6
2225  */
2226 void
2227 gtk_show_about_dialog (GtkWindow   *parent,
2228                        const gchar *first_property_name,
2229                        ...)
2230 {
2231   static GtkWidget *global_about_dialog = NULL;
2232   GtkWidget *dialog = NULL;
2233   va_list var_args;
2234
2235   if (parent)
2236     dialog = g_object_get_data (G_OBJECT (parent), "gtk-about-dialog");
2237   else
2238     dialog = global_about_dialog;
2239
2240   if (!dialog)
2241     {
2242       dialog = gtk_about_dialog_new ();
2243
2244       g_object_ref_sink (dialog);
2245
2246       g_signal_connect (dialog, "delete_event", G_CALLBACK (gtk_widget_hide_on_delete), NULL);
2247
2248       /* Close dialog on user response */
2249       g_signal_connect (dialog, "response", G_CALLBACK (close_cb), NULL);
2250
2251       va_start (var_args, first_property_name);
2252       g_object_set_valist (G_OBJECT (dialog), first_property_name, var_args);
2253       va_end (var_args);
2254
2255       if (parent)
2256         {
2257           gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);
2258           gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
2259           g_object_set_data_full (G_OBJECT (parent),
2260                                   I_("gtk-about-dialog"),
2261                                   dialog, g_object_unref);
2262         }
2263       else
2264         global_about_dialog = dialog;
2265
2266     }
2267
2268   gtk_window_present (GTK_WINDOW (dialog));
2269 }
2270
2271 #define __GTK_ABOUT_DIALOG_C__
2272 #include "gtkaliasdef.c"