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 /**
1223  * gtk_about_dialog_set_authors:
1224  * @about: a #GtkAboutDialog
1225  * @authors: a %NULL-terminated array of strings
1226  *
1227  * Sets the strings which are displayed in the authors tab
1228  * of the secondary credits dialog.
1229  *
1230  * Since: 2.6
1231  **/
1232 void
1233 gtk_about_dialog_set_authors (GtkAboutDialog  *about,
1234                               const gchar    **authors)
1235 {
1236   GtkAboutDialogPrivate *priv;
1237   gchar **tmp;
1238
1239   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1240
1241   priv = (GtkAboutDialogPrivate *)about->private_data;
1242
1243   tmp = priv->authors;
1244   priv->authors = g_strdupv ((gchar **)authors);
1245   g_strfreev (tmp);
1246
1247   if (priv->authors != NULL)
1248     gtk_widget_show (priv->credits_button);
1249
1250   g_object_notify (G_OBJECT (about), "authors");
1251 }
1252
1253 /**
1254  * gtk_about_dialog_get_documenters:
1255  * @about: a #GtkAboutDialog
1256  *
1257  * Returns the string which are displayed in the documenters
1258  * tab of the secondary credits dialog.
1259  *
1260  * Return value: A %NULL-terminated string array containing
1261  *  the documenters. The array is owned by the about dialog
1262  *  and must not be modified.
1263  *
1264  * Since: 2.6
1265  **/
1266 G_CONST_RETURN gchar * G_CONST_RETURN *
1267 gtk_about_dialog_get_documenters (GtkAboutDialog *about)
1268 {
1269   GtkAboutDialogPrivate *priv;
1270
1271   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1272
1273   priv = (GtkAboutDialogPrivate *)about->private_data;
1274
1275   return (const gchar * const *)priv->documenters;
1276 }
1277
1278 /**
1279  * gtk_about_dialog_set_documenters:
1280  * @about: a #GtkAboutDialog
1281  * @documenters: a %NULL-terminated array of strings
1282  *
1283  * Sets the strings which are displayed in the documenters tab
1284  * of the secondary credits dialog.
1285  *
1286  * Since: 2.6
1287  **/
1288 void
1289 gtk_about_dialog_set_documenters (GtkAboutDialog *about,
1290                                   const gchar   **documenters)
1291 {
1292   GtkAboutDialogPrivate *priv;
1293   gchar **tmp;
1294
1295   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1296
1297   priv = (GtkAboutDialogPrivate *)about->private_data;
1298
1299   tmp = priv->documenters;
1300   priv->documenters = g_strdupv ((gchar **)documenters);
1301   g_strfreev (tmp);
1302
1303   if (priv->documenters != NULL)
1304     gtk_widget_show (priv->credits_button);
1305
1306   g_object_notify (G_OBJECT (about), "documenters");
1307 }
1308
1309 /**
1310  * gtk_about_dialog_get_artists:
1311  * @about: a #GtkAboutDialog
1312  *
1313  * Returns the string which are displayed in the artists tab
1314  * of the secondary credits dialog.
1315  *
1316  * Return value: A %NULL-terminated string array containing
1317  *  the artists. The array is owned by the about dialog
1318  *  and must not be modified.
1319  *
1320  * Since: 2.6
1321  **/
1322 G_CONST_RETURN gchar * G_CONST_RETURN *
1323 gtk_about_dialog_get_artists (GtkAboutDialog *about)
1324 {
1325   GtkAboutDialogPrivate *priv;
1326
1327   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1328
1329   priv = (GtkAboutDialogPrivate *)about->private_data;
1330
1331   return (const gchar * const *)priv->artists;
1332 }
1333
1334 /**
1335  * gtk_about_dialog_set_artists:
1336  * @about: a #GtkAboutDialog
1337  * @artists: a %NULL-terminated array of strings
1338  *
1339  * Sets the strings which are displayed in the artists tab
1340  * of the secondary credits dialog.
1341  *
1342  * Since: 2.6
1343  **/
1344 void
1345 gtk_about_dialog_set_artists (GtkAboutDialog *about,
1346                               const gchar   **artists)
1347 {
1348   GtkAboutDialogPrivate *priv;
1349   gchar **tmp;
1350
1351   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1352
1353   priv = (GtkAboutDialogPrivate *)about->private_data;
1354
1355   tmp = priv->artists;
1356   priv->artists = g_strdupv ((gchar **)artists);
1357   g_strfreev (tmp);
1358
1359   if (priv->artists != NULL)
1360     gtk_widget_show (priv->credits_button);
1361
1362   g_object_notify (G_OBJECT (about), "artists");
1363 }
1364
1365 /**
1366  * gtk_about_dialog_get_translator_credits:
1367  * @about: a #GtkAboutDialog
1368  *
1369  * Returns the translator credits string which is displayed
1370  * in the translators tab of the secondary credits dialog.
1371  *
1372  * Return value: The translator credits string. The string is
1373  *   owned by the about dialog and must not be modified.
1374  *
1375  * Since: 2.6
1376  **/
1377 G_CONST_RETURN gchar *
1378 gtk_about_dialog_get_translator_credits (GtkAboutDialog *about)
1379 {
1380   GtkAboutDialogPrivate *priv;
1381
1382   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1383
1384   priv = (GtkAboutDialogPrivate *)about->private_data;
1385
1386   return priv->translator_credits;
1387 }
1388
1389 /**
1390  * gtk_about_dialog_set_translator_credits:
1391  * @about: a #GtkAboutDialog
1392  * @translator_credits: the translator credits
1393  *
1394  * Sets the translator credits string which is displayed in
1395  * the translators tab of the secondary credits dialog.
1396  *
1397  * The intended use for this string is to display the translator
1398  * of the language which is currently used in the user interface.
1399  * Using gettext(), a simple way to achieve that is to mark the
1400  * string for translation:
1401  * <informalexample><programlisting>
1402  *  gtk_about_dialog_set_translator_credits (about, _("translator-credits"));
1403  * </programlisting></informalexample>
1404  * It is a good idea to use the customary msgid "translator-credits" for this
1405  * purpose, since translators will already know the purpose of that msgid, and
1406  * since #GtkAboutDialog will detect if "translator-credits" is untranslated
1407  * and hide the tab.
1408  *
1409  * Since: 2.6
1410  **/
1411 void
1412 gtk_about_dialog_set_translator_credits (GtkAboutDialog *about,
1413                                          const gchar    *translator_credits)
1414 {
1415   GtkAboutDialogPrivate *priv;
1416   gchar *tmp;
1417
1418   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1419
1420   priv = (GtkAboutDialogPrivate *)about->private_data;
1421
1422   tmp = priv->translator_credits;
1423   priv->translator_credits = g_strdup (translator_credits);
1424   g_free (tmp);
1425
1426   if (priv->translator_credits != NULL)
1427     gtk_widget_show (priv->credits_button);
1428
1429   g_object_notify (G_OBJECT (about), "translator-credits");
1430 }
1431
1432 /**
1433  * gtk_about_dialog_get_logo:
1434  * @about: a #GtkAboutDialog
1435  *
1436  * Returns the pixbuf displayed as logo in the about dialog.
1437  *
1438  * Return value: the pixbuf displayed as logo. The pixbuf is
1439  *   owned by the about dialog. If you want to keep a reference
1440  *   to it, you have to call g_object_ref() on it.
1441  *
1442  * Since: 2.6
1443  **/
1444 GdkPixbuf *
1445 gtk_about_dialog_get_logo (GtkAboutDialog *about)
1446 {
1447   GtkAboutDialogPrivate *priv;
1448
1449   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1450
1451   priv = (GtkAboutDialogPrivate *)about->private_data;
1452
1453   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1454     return gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image));
1455   else
1456     return NULL;
1457 }
1458
1459 static GtkIconSet *
1460 icon_set_new_from_pixbufs (GList *pixbufs)
1461 {
1462   GtkIconSet *icon_set = gtk_icon_set_new ();
1463
1464   for (; pixbufs; pixbufs = pixbufs->next)
1465     {
1466       GdkPixbuf *pixbuf = GDK_PIXBUF (pixbufs->data);
1467
1468       GtkIconSource *icon_source = gtk_icon_source_new ();
1469       gtk_icon_source_set_pixbuf (icon_source, pixbuf);
1470       gtk_icon_set_add_source (icon_set, icon_source);
1471       gtk_icon_source_free (icon_source);
1472     }
1473
1474   return icon_set;
1475 }
1476
1477 /**
1478  * gtk_about_dialog_set_logo:
1479  * @about: a #GtkAboutDialog
1480  * @logo: a #GdkPixbuf, or %NULL
1481  *
1482  * Sets the pixbuf to be displayed as logo in
1483  * the about dialog. If it is %NULL, the default
1484  * window icon set with gtk_window_set_default_icon ()
1485  * will be used.
1486  *
1487  * Since: 2.6
1488  **/
1489 void
1490 gtk_about_dialog_set_logo (GtkAboutDialog *about,
1491                            GdkPixbuf      *logo)
1492 {
1493   GtkAboutDialogPrivate *priv;
1494
1495   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1496
1497   priv = (GtkAboutDialogPrivate *)about->private_data;
1498
1499   g_object_freeze_notify (G_OBJECT (about));
1500
1501   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1502     g_object_notify (G_OBJECT (about), "logo-icon-name");
1503
1504   if (logo != NULL)
1505     gtk_image_set_from_pixbuf (GTK_IMAGE (priv->logo_image), logo);
1506   else
1507     {
1508       GList *pixbufs = gtk_window_get_default_icon_list ();
1509
1510       if (pixbufs != NULL)
1511         {
1512           GtkIconSet *icon_set = icon_set_new_from_pixbufs (pixbufs);
1513
1514           gtk_image_set_from_icon_set (GTK_IMAGE (priv->logo_image),
1515                                        icon_set, GTK_ICON_SIZE_DIALOG);
1516
1517           gtk_icon_set_unref (icon_set);
1518           g_list_free (pixbufs);
1519         }
1520     }
1521
1522   g_object_notify (G_OBJECT (about), "logo");
1523
1524   g_object_thaw_notify (G_OBJECT (about));
1525 }
1526
1527 /**
1528  * gtk_about_dialog_get_logo_icon_name:
1529  * @about: a #GtkAboutDialog
1530  *
1531  * Returns the icon name displayed as logo in the about dialog.
1532  *
1533  * Return value: the icon name displayed as logo. The string is
1534  *   owned by the dialog. If you want to keep a reference
1535  *   to it, you have to call g_strdup() on it.
1536  *
1537  * Since: 2.6
1538  **/
1539 G_CONST_RETURN gchar *
1540 gtk_about_dialog_get_logo_icon_name (GtkAboutDialog *about)
1541 {
1542   GtkAboutDialogPrivate *priv;
1543   const gchar *icon_name = NULL;
1544
1545   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1546
1547   priv = (GtkAboutDialogPrivate *)about->private_data;
1548
1549   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1550     gtk_image_get_icon_name (GTK_IMAGE (priv->logo_image), &icon_name, NULL);
1551
1552   return icon_name;
1553 }
1554
1555 /**
1556  * gtk_about_dialog_set_logo_icon_name:
1557  * @about: a #GtkAboutDialog
1558  * @icon_name: an icon name, or %NULL
1559  *
1560  * Sets the pixbuf to be displayed as logo in
1561  * the about dialog. If it is %NULL, the default
1562  * window icon set with gtk_window_set_default_icon()
1563  * will be used.
1564  *
1565  * Since: 2.6
1566  **/
1567 void
1568 gtk_about_dialog_set_logo_icon_name (GtkAboutDialog *about,
1569                                      const gchar    *icon_name)
1570 {
1571   GtkAboutDialogPrivate *priv;
1572
1573   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1574
1575   priv = (GtkAboutDialogPrivate *)about->private_data;
1576
1577   g_object_freeze_notify (G_OBJECT (about));
1578
1579   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1580     g_object_notify (G_OBJECT (about), "logo");
1581
1582   gtk_image_set_from_icon_name (GTK_IMAGE (priv->logo_image), icon_name,
1583                                 GTK_ICON_SIZE_DIALOG);
1584   g_object_notify (G_OBJECT (about), "logo-icon-name");
1585
1586   g_object_thaw_notify (G_OBJECT (about));
1587 }
1588
1589 static void
1590 activate_url (GtkWidget *widget,
1591               gpointer   data)
1592 {
1593   GtkAboutDialog *about = GTK_ABOUT_DIALOG (data);
1594   const gchar *url = gtk_link_button_get_uri (GTK_LINK_BUTTON (widget));
1595
1596   if (activate_url_hook != NULL)
1597     (* activate_url_hook) (about, url, activate_url_hook_data);
1598 }
1599
1600 static void
1601 follow_if_link (GtkAboutDialog *about,
1602                 GtkTextView    *text_view,
1603                 GtkTextIter    *iter)
1604 {
1605   GSList *tags = NULL, *tagp = NULL;
1606   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1607   gchar *url = NULL;
1608
1609   tags = gtk_text_iter_get_tags (iter);
1610   for (tagp = tags; tagp != NULL && !url; tagp = tagp->next)
1611     {
1612       GtkTextTag *tag = tagp->data;
1613
1614       if (activate_email_hook != NULL)
1615         {
1616           url = g_object_get_data (G_OBJECT (tag), "email");
1617           if (url)
1618             (* activate_email_hook) (about, url, activate_email_hook_data);
1619         }
1620
1621       if (!url && activate_url_hook != NULL)
1622         {
1623           url = g_object_get_data (G_OBJECT (tag), "url");
1624           if (url)
1625             (* activate_url_hook) (about, url, activate_url_hook_data);
1626         }
1627
1628       if (url && !g_slist_find_custom (priv->visited_links, url, (GCompareFunc)strcmp))
1629         {
1630           GdkColor *style_visited_link_color;
1631           GdkColor color;
1632
1633           gtk_widget_ensure_style (GTK_WIDGET (about));
1634           gtk_widget_style_get (GTK_WIDGET (about),
1635                                 "visited-link-color", &style_visited_link_color,
1636                                 NULL);
1637           if (style_visited_link_color)
1638             {
1639               color = *style_visited_link_color;
1640               gdk_color_free (style_visited_link_color);
1641             }
1642           else
1643             color = default_visited_link_color;
1644
1645           g_object_set (G_OBJECT (tag), "foreground-gdk", &color, NULL);
1646
1647           priv->visited_links = g_slist_prepend (priv->visited_links, g_strdup (url));
1648         }
1649     }
1650
1651   if (tags)
1652     g_slist_free (tags);
1653 }
1654
1655 static gboolean
1656 credits_key_press_event (GtkWidget      *text_view,
1657                          GdkEventKey    *event,
1658                          GtkAboutDialog *about)
1659 {
1660   GtkTextIter iter;
1661   GtkTextBuffer *buffer;
1662
1663   switch (event->keyval)
1664     {
1665       case GDK_Return:
1666       case GDK_KP_Enter:
1667         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1668         gtk_text_buffer_get_iter_at_mark (buffer, &iter,
1669                                           gtk_text_buffer_get_insert (buffer));
1670         follow_if_link (about, GTK_TEXT_VIEW (text_view), &iter);
1671         break;
1672
1673       default:
1674         break;
1675     }
1676
1677   return FALSE;
1678 }
1679
1680 static gboolean
1681 credits_event_after (GtkWidget      *text_view,
1682                      GdkEvent       *event,
1683                      GtkAboutDialog *about)
1684 {
1685   GtkTextIter start, end, iter;
1686   GtkTextBuffer *buffer;
1687   GdkEventButton *button_event;
1688   gint x, y;
1689
1690   if (event->type != GDK_BUTTON_RELEASE)
1691     return FALSE;
1692
1693   button_event = (GdkEventButton *)event;
1694
1695   if (button_event->button != 1)
1696     return FALSE;
1697
1698   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1699
1700   /* we shouldn't follow a link if the user has selected something */
1701   gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
1702   if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end))
1703     return FALSE;
1704
1705   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1706                                          GTK_TEXT_WINDOW_WIDGET,
1707                                          button_event->x, button_event->y, &x, &y);
1708
1709   gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (text_view), &iter, x, y);
1710
1711   follow_if_link (about, GTK_TEXT_VIEW (text_view), &iter);
1712
1713   return FALSE;
1714 }
1715
1716 static void
1717 set_cursor_if_appropriate (GtkAboutDialog *about,
1718                            GtkTextView    *text_view,
1719                            gint            x,
1720                            gint            y)
1721 {
1722   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1723   GSList *tags = NULL, *tagp = NULL;
1724   GtkTextIter iter;
1725   gboolean hovering_over_link = FALSE;
1726
1727   gtk_text_view_get_iter_at_location (text_view, &iter, x, y);
1728
1729   tags = gtk_text_iter_get_tags (&iter);
1730   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
1731     {
1732       GtkTextTag *tag = tagp->data;
1733       gchar *email = g_object_get_data (G_OBJECT (tag), "email");
1734       gchar *url = g_object_get_data (G_OBJECT (tag), "url");
1735
1736       if (email != NULL || url != NULL)
1737         {
1738           hovering_over_link = TRUE;
1739           break;
1740         }
1741     }
1742
1743   if (hovering_over_link != priv->hovering_over_link)
1744     {
1745       priv->hovering_over_link = hovering_over_link;
1746
1747       if (hovering_over_link)
1748         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->hand_cursor);
1749       else
1750         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->regular_cursor);
1751     }
1752
1753   if (tags)
1754     g_slist_free (tags);
1755 }
1756
1757 static gboolean
1758 credits_motion_notify_event (GtkWidget *text_view,
1759                              GdkEventMotion *event,
1760                              GtkAboutDialog *about)
1761 {
1762   gint x, y;
1763
1764   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1765                                          GTK_TEXT_WINDOW_WIDGET,
1766                                          event->x, event->y, &x, &y);
1767
1768   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), x, y);
1769
1770   gdk_window_get_pointer (text_view->window, NULL, NULL, NULL);
1771
1772   return FALSE;
1773 }
1774
1775
1776 static gboolean
1777 credits_visibility_notify_event (GtkWidget          *text_view,
1778                                  GdkEventVisibility *event,
1779                                  GtkAboutDialog     *about)
1780 {
1781   gint wx, wy, bx, by;
1782
1783   gdk_window_get_pointer (text_view->window, &wx, &wy, NULL);
1784
1785   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1786                                          GTK_TEXT_WINDOW_WIDGET,
1787                                          wx, wy, &bx, &by);
1788
1789   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), bx, by);
1790
1791   return FALSE;
1792 }
1793
1794 static void
1795 text_view_style_set (GtkWidget *widget,
1796                      GtkStyle  *prev_style,
1797                      GtkWidget *text_view)
1798 {
1799   gtk_widget_modify_base (text_view, GTK_STATE_NORMAL,
1800                           &widget->style->bg[GTK_STATE_NORMAL]);
1801 }
1802
1803 static void
1804 add_credits_page (GtkAboutDialog *about,
1805                   GtkWidget      *notebook,
1806                   gchar          *title,
1807                   gchar         **people)
1808 {
1809   gchar **p;
1810   gchar *q0, *q1, *q2, *r1, *r2;
1811   GtkWidget *sw, *view;
1812   GtkTextBuffer *buffer;
1813   gboolean linkify_email, linkify_urls;
1814   GdkColor *style_link_color;
1815   GdkColor *style_visited_link_color;
1816   GdkColor color;
1817   GdkColor link_color;
1818   GdkColor visited_link_color;
1819   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1820
1821   linkify_email = (activate_email_hook != NULL);
1822   linkify_urls = (activate_url_hook != NULL);
1823
1824   gtk_widget_ensure_style (GTK_WIDGET (about));
1825   gtk_widget_style_get (GTK_WIDGET (about),
1826                         "link-color", &style_link_color,
1827                         "visited-link-color", &style_visited_link_color,
1828                         NULL);
1829   if (style_link_color)
1830     {
1831       link_color = *style_link_color;
1832       gdk_color_free (style_link_color);
1833     }
1834   else
1835     link_color = default_link_color;
1836
1837   if (style_visited_link_color)
1838     {
1839       visited_link_color = *style_visited_link_color;
1840       gdk_color_free (style_visited_link_color);
1841     }
1842   else
1843     visited_link_color = default_visited_link_color;
1844
1845   view = gtk_text_view_new ();
1846   g_signal_connect_object (about, "style_set",
1847                            G_CALLBACK (text_view_style_set), view, 0);
1848
1849   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
1850   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
1851   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
1852
1853   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
1854   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
1855
1856   g_signal_connect (view, "key_press_event",
1857                     G_CALLBACK (credits_key_press_event), about);
1858   g_signal_connect (view, "event_after",
1859                     G_CALLBACK (credits_event_after), about);
1860   g_signal_connect (view, "motion_notify_event",
1861                     G_CALLBACK (credits_motion_notify_event), about);
1862   g_signal_connect (view, "visibility_notify_event",
1863                     G_CALLBACK (credits_visibility_notify_event), about);
1864
1865   sw = gtk_scrolled_window_new (NULL, NULL);
1866   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
1867                                        GTK_SHADOW_IN);
1868   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
1869                                   GTK_POLICY_AUTOMATIC,
1870                                   GTK_POLICY_AUTOMATIC);
1871   gtk_container_add (GTK_CONTAINER (sw), view);
1872
1873   gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
1874                             sw, gtk_label_new (title));
1875
1876   if (people == NULL)
1877     {
1878       gtk_widget_hide (view);
1879       return;
1880     }
1881   else
1882     gtk_widget_show (view);
1883
1884   for (p = people; *p; p++)
1885     {
1886       q0  = *p;
1887       while (*q0)
1888         {
1889           q1 = linkify_email ? strchr (q0, '<') : NULL;
1890           q2 = q1 ? strchr (q1, '>') : NULL;
1891           r1 = linkify_urls ? strstr (q0, "http://") : NULL;
1892           if (r1)
1893             {
1894               r2 = strpbrk (r1, " \n\t");
1895               if (!r2)
1896                 r2 = strchr (r1, '\0');
1897             }
1898           else
1899             r2 = NULL;
1900
1901           if (r1 && r2 && (!q1 || !q2 || (r1 < q1)))
1902             {
1903               q1 = r1;
1904               q2 = r2;
1905             }
1906
1907           if (q1 && q2)
1908             {
1909               GtkTextIter end;
1910               gchar *link;
1911               const gchar *link_type;
1912               GtkTextTag *tag;
1913
1914               gtk_text_buffer_insert_at_cursor (buffer, q0, q1 - q0);
1915               gtk_text_buffer_get_end_iter (buffer, &end);
1916
1917               q0 = q2;
1918
1919               if (*q1 == '<')
1920                 {
1921                   q1++;
1922                   q0++;
1923                   link_type = I_("email");
1924                 }
1925               else
1926                 link_type = I_("url");
1927
1928               link = g_strndup (q1, q2 - q1);
1929
1930               if (g_slist_find_custom (priv->visited_links, link, (GCompareFunc)strcmp))
1931                 color = visited_link_color;
1932               else
1933                 color = link_color;
1934
1935               tag = gtk_text_buffer_create_tag (buffer, NULL,
1936                                                 "foreground-gdk", &color,
1937                                                 "underline", PANGO_UNDERLINE_SINGLE,
1938                                                 NULL);
1939               g_object_set_data_full (G_OBJECT (tag), link_type, g_strdup (link), g_free);
1940               gtk_text_buffer_insert_with_tags (buffer, &end, link, -1, tag, NULL);
1941
1942               g_free (link);
1943             }
1944           else
1945             {
1946               gtk_text_buffer_insert_at_cursor (buffer, q0, -1);
1947               break;
1948             }
1949         }
1950
1951       if (p[1])
1952         gtk_text_buffer_insert_at_cursor (buffer, "\n", 1);
1953     }
1954 }
1955
1956 static void
1957 display_credits_dialog (GtkWidget *button,
1958                         gpointer   data)
1959 {
1960   GtkAboutDialog *about = (GtkAboutDialog *)data;
1961   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1962   GtkWidget *dialog, *notebook;
1963   GtkDialog *credits_dialog;
1964
1965   if (priv->credits_dialog != NULL)
1966     {
1967       gtk_window_present (GTK_WINDOW (priv->credits_dialog));
1968       return;
1969     }
1970
1971   dialog = gtk_dialog_new_with_buttons (_("Credits"),
1972                                         GTK_WINDOW (about),
1973                                         GTK_DIALOG_DESTROY_WITH_PARENT,
1974                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CANCEL,
1975                                         NULL);
1976   credits_dialog = GTK_DIALOG (dialog);
1977   gtk_dialog_set_has_separator (credits_dialog, FALSE);
1978   gtk_container_set_border_width (GTK_CONTAINER (credits_dialog), 5);
1979   gtk_box_set_spacing (GTK_BOX (credits_dialog->vbox), 2); /* 2 * 5 + 2 = 12 */
1980   gtk_container_set_border_width (GTK_CONTAINER (credits_dialog->action_area), 5);
1981
1982   priv->credits_dialog = dialog;
1983   gtk_window_set_default_size (GTK_WINDOW (dialog), 360, 260);
1984   gtk_dialog_set_default_response (credits_dialog, GTK_RESPONSE_CANCEL);
1985
1986   gtk_window_set_modal (GTK_WINDOW (dialog),
1987                         gtk_window_get_modal (GTK_WINDOW (about)));
1988
1989   g_signal_connect (dialog, "response",
1990                     G_CALLBACK (gtk_widget_destroy), dialog);
1991   g_signal_connect (dialog, "destroy",
1992                     G_CALLBACK (gtk_widget_destroyed),
1993                     &(priv->credits_dialog));
1994
1995   notebook = gtk_notebook_new ();
1996   gtk_container_set_border_width (GTK_CONTAINER (notebook), 5);
1997   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), notebook, TRUE, TRUE, 0);
1998
1999   if (priv->authors != NULL)
2000     add_credits_page (about, notebook, _("Written by"), priv->authors);
2001
2002   if (priv->documenters != NULL)
2003     add_credits_page (about, notebook, _("Documented by"), priv->documenters);
2004
2005   /* Don't show an untranslated gettext msgid */
2006   if (priv->translator_credits != NULL &&
2007       strcmp (priv->translator_credits, "translator_credits") &&
2008       strcmp (priv->translator_credits, "translator-credits"))
2009     {
2010       gchar *translators[2];
2011
2012       translators[0] = priv->translator_credits;
2013       translators[1] = NULL;
2014
2015       add_credits_page (about, notebook, _("Translated by"), translators);
2016     }
2017
2018   if (priv->artists != NULL)
2019     add_credits_page (about, notebook, _("Artwork by"), priv->artists);
2020
2021   gtk_widget_show_all (dialog);
2022 }
2023
2024 static void
2025 set_policy (GtkWidget *sw)
2026 {
2027   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
2028                                   GTK_POLICY_AUTOMATIC,
2029                                   GTK_POLICY_AUTOMATIC);
2030 }
2031
2032 static void
2033 display_license_dialog (GtkWidget *button,
2034                         gpointer   data)
2035 {
2036   GtkAboutDialog *about = (GtkAboutDialog *)data;
2037   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
2038   GtkWidget *dialog, *view, *sw;
2039   GtkDialog *licence_dialog;
2040
2041   if (priv->license_dialog != NULL)
2042     {
2043       gtk_window_present (GTK_WINDOW (priv->license_dialog));
2044       return;
2045     }
2046
2047   dialog = gtk_dialog_new_with_buttons (_("License"),
2048                                         GTK_WINDOW (about),
2049                                         GTK_DIALOG_DESTROY_WITH_PARENT,
2050                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CANCEL,
2051                                         NULL);
2052   licence_dialog = GTK_DIALOG (dialog);
2053   gtk_dialog_set_has_separator (licence_dialog, FALSE);
2054   gtk_container_set_border_width (GTK_CONTAINER (licence_dialog), 5);
2055   gtk_box_set_spacing (GTK_BOX (licence_dialog->vbox), 2); /* 2 * 5 + 2 = 12 */
2056   gtk_container_set_border_width (GTK_CONTAINER (licence_dialog->action_area), 5);
2057
2058   priv->license_dialog = dialog;
2059   gtk_window_set_default_size (GTK_WINDOW (dialog), 420, 320);
2060   gtk_dialog_set_default_response (licence_dialog, GTK_RESPONSE_CANCEL);
2061
2062   gtk_window_set_modal (GTK_WINDOW (dialog),
2063                         gtk_window_get_modal (GTK_WINDOW (about)));
2064
2065   g_signal_connect (dialog, "response",
2066                     G_CALLBACK (gtk_widget_destroy), dialog);
2067   g_signal_connect (dialog, "destroy",
2068                     G_CALLBACK (gtk_widget_destroyed),
2069                     &(priv->license_dialog));
2070
2071   sw = gtk_scrolled_window_new (NULL, NULL);
2072   gtk_container_set_border_width (GTK_CONTAINER (sw), 5);
2073   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
2074                                        GTK_SHADOW_IN);
2075   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
2076                                   GTK_POLICY_NEVER,
2077                                   GTK_POLICY_AUTOMATIC);
2078   g_signal_connect (sw, "map", G_CALLBACK (set_policy), NULL);
2079   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), sw, TRUE, TRUE, 0);
2080
2081   view = gtk_text_view_new ();
2082   gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (view),
2083                                priv->wrap_license ? GTK_WRAP_WORD : GTK_WRAP_NONE);
2084   gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)),
2085                             priv->license, -1);
2086
2087   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
2088   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
2089
2090   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
2091   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
2092
2093   gtk_container_add (GTK_CONTAINER (sw), view);
2094
2095   gtk_widget_show_all (dialog);
2096 }
2097
2098 /**
2099  * gtk_about_dialog_new:
2100  *
2101  * Creates a new #GtkAboutDialog.
2102  *
2103  * Returns: a newly created #GtkAboutDialog
2104  *
2105  * Since: 2.6
2106  */
2107 GtkWidget *
2108 gtk_about_dialog_new (void)
2109 {
2110   GtkAboutDialog *dialog = g_object_new (GTK_TYPE_ABOUT_DIALOG, NULL);
2111
2112   return GTK_WIDGET (dialog);
2113 }
2114
2115 /**
2116  * gtk_about_dialog_set_email_hook:
2117  * @func: a function to call when an email link is activated.
2118  * @data: data to pass to @func
2119  * @destroy: #GDestroyNotify for @data
2120  *
2121  * Installs a global function to be called whenever the user activates an
2122  * email link in an about dialog.
2123  *
2124  * Return value: the previous email hook.
2125  *
2126  * Since: 2.6
2127  */
2128 GtkAboutDialogActivateLinkFunc
2129 gtk_about_dialog_set_email_hook (GtkAboutDialogActivateLinkFunc func,
2130                                  gpointer                       data,
2131                                  GDestroyNotify                 destroy)
2132 {
2133   GtkAboutDialogActivateLinkFunc old;
2134
2135   if (activate_email_hook_destroy != NULL)
2136     (* activate_email_hook_destroy) (activate_email_hook_data);
2137
2138   old = activate_email_hook;
2139
2140   activate_email_hook = func;
2141   activate_email_hook_data = data;
2142   activate_email_hook_destroy = destroy;
2143
2144   return old;
2145 }
2146
2147 /**
2148  * gtk_about_dialog_set_url_hook:
2149  * @func: a function to call when a URL link is activated.
2150  * @data: data to pass to @func
2151  * @destroy: #GDestroyNotify for @data
2152  *
2153  * Installs a global function to be called whenever the user activates a
2154  * URL link in an about dialog.
2155  *
2156  * Return value: the previous URL hook.
2157  *
2158  * Since: 2.6
2159  */
2160 GtkAboutDialogActivateLinkFunc
2161 gtk_about_dialog_set_url_hook (GtkAboutDialogActivateLinkFunc func,
2162                                gpointer                       data,
2163                                GDestroyNotify                 destroy)
2164 {
2165   GtkAboutDialogActivateLinkFunc old;
2166
2167   if (activate_url_hook_destroy != NULL)
2168     (* activate_url_hook_destroy) (activate_url_hook_data);
2169
2170   old = activate_url_hook;
2171
2172   activate_url_hook = func;
2173   activate_url_hook_data = data;
2174   activate_url_hook_destroy = destroy;
2175
2176   return old;
2177 }
2178
2179 static void
2180 close_cb (GtkAboutDialog *about)
2181 {
2182   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
2183
2184   if (priv->license_dialog != NULL)
2185     {
2186       gtk_widget_destroy (priv->license_dialog);
2187       priv->license_dialog = NULL;
2188     }
2189
2190   if (priv->credits_dialog != NULL)
2191     {
2192       gtk_widget_destroy (priv->credits_dialog);
2193       priv->credits_dialog = NULL;
2194     }
2195
2196   gtk_widget_hide (GTK_WIDGET (about));
2197
2198 }
2199
2200 /**
2201  * gtk_show_about_dialog:
2202  * @parent: transient parent, or %NULL for none
2203  * @first_property_name: the name of the first property
2204  * @Varargs: value of first property, followed by more properties, %NULL-terminated
2205  *
2206  * This is a convenience function for showing an application's about box.
2207  * The constructed dialog is associated with the parent window and
2208  * reused for future invocations of this function.
2209  *
2210  * Since: 2.6
2211  */
2212 void
2213 gtk_show_about_dialog (GtkWindow   *parent,
2214                        const gchar *first_property_name,
2215                        ...)
2216 {
2217   static GtkWidget *global_about_dialog = NULL;
2218   GtkWidget *dialog = NULL;
2219   va_list var_args;
2220
2221   if (parent)
2222     dialog = g_object_get_data (G_OBJECT (parent), "gtk-about-dialog");
2223   else
2224     dialog = global_about_dialog;
2225
2226   if (!dialog)
2227     {
2228       dialog = gtk_about_dialog_new ();
2229
2230       g_object_ref_sink (dialog);
2231
2232       g_signal_connect (dialog, "delete_event", G_CALLBACK (gtk_widget_hide_on_delete), NULL);
2233
2234       /* Close dialog on user response */
2235       g_signal_connect (dialog, "response", G_CALLBACK (close_cb), NULL);
2236
2237       va_start (var_args, first_property_name);
2238       g_object_set_valist (G_OBJECT (dialog), first_property_name, var_args);
2239       va_end (var_args);
2240
2241       if (parent)
2242         {
2243           gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);
2244           gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
2245           g_object_set_data_full (G_OBJECT (parent),
2246                                   I_("gtk-about-dialog"),
2247                                   dialog, g_object_unref);
2248         }
2249       else
2250         global_about_dialog = dialog;
2251
2252     }
2253
2254   gtk_window_present (GTK_WINDOW (dialog));
2255 }
2256
2257 #define __GTK_ABOUT_DIALOG_C__
2258 #include "gtkaliasdef.c"