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 <gdk/gdkkeysyms.h>
  34
  35 #include "gtkalias.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 "gtkmarshalers.h"
  45 #include "gtknotebook.h"
  46 #include "gtkscrolledwindow.h"
  47 #include "gtkstock.h"
  48 #include "gtktextview.h"
  49 #include "gtkvbox.h"
  50 #include "gtkviewport.h"
  51 #include "gtkiconfactory.h"
  52 #include "gtkintl.h"
  53
  54 #include <string.h>
  55
  56 typedef struct _GtkAboutDialogPrivate GtkAboutDialogPrivate;
  57 struct _GtkAboutDialogPrivate
  58 {
  59   gchar *name;
  60   gchar *version;
  61   gchar *copyright;
  62   gchar *comments;
  63   gchar *website;
  64   gchar *website_label;
  65   gchar *translator_credits;
  66   gchar *license;
  67
  68   gchar **authors;
  69   gchar **documenters;
  70   gchar **artists;
  71
  72   GtkWidget *logo_image;
  73   GtkWidget *name_label;
  74   GtkWidget *comments_label;
  75   GtkWidget *copyright_label;
  76   GtkWidget *website_button;
  77
  78   GtkWidget *credits_button;
  79   GtkWidget *credits_dialog;
  80   GtkWidget *license_button;
  81   GtkWidget *license_dialog;
  82
  83   GdkCursor *hand_cursor;
  84   GdkCursor *regular_cursor;
  85   gboolean hovering_over_link;
  86 };
  87
  88 #define GTK_ABOUT_DIALOG_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_ABOUT_DIALOG, GtkAboutDialogPrivate))
  89
  90
  91 enum
  92 {
  93   PROP_0,
  94   PROP_NAME,
  95   PROP_VERSION,
  96   PROP_COPYRIGHT,
  97   PROP_COMMENTS,
  98   PROP_WEBSITE,
  99   PROP_WEBSITE_LABEL,
 100   PROP_LICENSE,
 101   PROP_AUTHORS,
 102   PROP_DOCUMENTERS,
 103   PROP_TRANSLATOR_CREDITS,
 104   PROP_ARTISTS,
 105   PROP_LOGO,
 106   PROP_LOGO_ICON_NAME
 107 };
 108
 109 static void                 gtk_about_dialog_finalize       (GObject            *object);
 110 static void                 gtk_about_dialog_get_property   (GObject            *object,
 111                                                              guint               prop_id,
 112                                                              GValue             *value,
 113                                                              GParamSpec         *pspec);
 114 static void                 gtk_about_dialog_set_property   (GObject            *object,
 115                                                              guint               prop_id,
 116                                                              const GValue       *value,
 117                                                              GParamSpec         *pspec);
 118 static void                 update_name_version             (GtkAboutDialog     *about);
 119 static GtkIconSet *         icon_set_new_from_pixbufs       (GList              *pixbufs);
 120 static void                 activate_url                    (GtkWidget          *widget,
 121                                                              gpointer            data);
 122 static void                 set_link_button_text            (GtkWidget          *about,
 123                                                              GtkWidget          *button,
 124                                                              gchar              *text);
 125 static GtkWidget *          create_link_button              (GtkWidget          *about,
 126                                                              gchar              *text,
 127                                                              gchar              *url,
 128                                                              GCallback           callback,
 129                                                              gpointer            data);
 130 static void                 follow_if_link                  (GtkAboutDialog     *about,
 131                                                              GtkTextIter        *iter);
 132 static void                 set_cursor_if_appropriate       (GtkAboutDialog     *about,
 133                                                              GtkTextView        *text_view,
 134                                                              gint                x,
 135                                                              gint                y);
 136 static void                 add_credits_page                (GtkAboutDialog     *about,
 137                                                              GtkWidget          *notebook,
 138                                                              gchar              *title,
 139                                                              gchar             **people);
 140 static gboolean             credits_key_press_event         (GtkWidget          *text_view,
 141                                                              GdkEventKey        *event,
 142                                                              GtkAboutDialog     *about);
 143 static gboolean             credits_event_after             (GtkWidget          *text_view,
 144                                                              GdkEvent           *event,
 145                                                              GtkAboutDialog     *about);
 146 static gboolean             credits_motion_notify_event     (GtkWidget          *text_view,
 147                                                              GdkEventMotion     *event,
 148                                                              GtkAboutDialog     *about);
 149 static gboolean             credits_visibility_notify_event (GtkWidget          *text_view,
 150                                                              GdkEventVisibility *event,
 151                                                              GtkAboutDialog     *about);
 152 static void                 display_credits_dialog          (GtkWidget          *button,
 153                                                              gpointer            data);
 154 static void                 display_license_dialog          (GtkWidget          *button,
 155                                                              gpointer            data);
 156
 157
 158 static GtkAboutDialogActivateLinkFunc activate_email_hook = NULL;
 159 static gpointer activate_email_hook_data = NULL;
 160 static GDestroyNotify activate_email_hook_destroy = NULL;
 161
 162 static GtkAboutDialogActivateLinkFunc activate_url_hook = NULL;
 163 static gpointer activate_url_hook_data = NULL;
 164 static GDestroyNotify activate_url_hook_destroy = NULL;
 165
 166 G_DEFINE_TYPE (GtkAboutDialog, gtk_about_dialog, GTK_TYPE_DIALOG);
 167
 168 static void
 169 gtk_about_dialog_class_init (GtkAboutDialogClass *klass)
 170 {
 171   GObjectClass *object_class;
 172   GtkWidgetClass *widget_class;
 173   GtkDialogClass *dialog_class;
 174
 175   object_class = (GObjectClass *)klass;
 176   widget_class = (GtkWidgetClass *)klass;
 177   dialog_class = (GtkDialogClass *)klass;
 178
 179   object_class->set_property = gtk_about_dialog_set_property;
 180   object_class->get_property = gtk_about_dialog_get_property;
 181
 182   object_class->finalize = gtk_about_dialog_finalize;
 183
 184   /**
 185    * GtkAboutDialog:name:
 186    *
 187    * The name of the program.
 188    * If this is not set, it defaults to g_get_application_name().
 189    *
 190    * Since: 2.6
 191    */
 192   g_object_class_install_property (object_class,
 193                                    PROP_NAME,
 194                                    g_param_spec_string ("name",
 195                                                         P_("Program name"),
 196                                                         P_("The name of the program. If this is not set, it defaults to g_get_application_name()"),
 197                                                         NULL,
 198                                                         G_PARAM_READWRITE));
 199
 200   /**
 201    * GtkAboutDialog:version:
 202    *
 203    * The version of the program.
 204    *
 205    * Since: 2.6
 206    */
 207   g_object_class_install_property (object_class,
 208                                    PROP_VERSION,
 209                                    g_param_spec_string ("version",
 210                                                         P_("Program version"),
 211                                                         P_("The version of the program"),
 212                                                         NULL,
 213                                                         G_PARAM_READWRITE));
 214
 215   /**
 216    * GtkAboutDialog:copyright:
 217    *
 218    * Copyright information for the program.
 219    *
 220    * Since: 2.6
 221    */
 222   g_object_class_install_property (object_class,
 223                                    PROP_COPYRIGHT,
 224                                    g_param_spec_string ("copyright",
 225                                                         P_("Copyright string"),
 226                                                         P_("Copyright information for the program"),
 227                                                         NULL,
 228                                                         G_PARAM_READWRITE));
 229
 230
 231   /**
 232    * GtkAboutDialog:comments:
 233    *
 234    * Comments about the program. This string is displayed in a label
 235    * in the main dialog, thus it should be a short explanation of
 236    * the main purpose of the program, not a detailed list of features.
 237    *
 238    * Since: 2.6
 239    */
 240   g_object_class_install_property (object_class,
 241                                    PROP_COMMENTS,
 242                                    g_param_spec_string ("comments",
 243                                                         P_("Comments string"),
 244                                                         P_("Comments about the program"),
 245                                                         NULL,
 246                                                         G_PARAM_READWRITE));
 247
 248   /**
 249    * GtkAboutDialog:license:
 250    *
 251    * The license of the program. This string is displayed in a
 252    * text view in a secondary dialog, therefore it is fine to use
 253    * a long multi-paragraph text.
 254    *
 255    * Since: 2.6
 256    */
 257   g_object_class_install_property (object_class,
 258                                    PROP_LICENSE,
 259                                    g_param_spec_string ("license",
 260                                                         _("License"),
 261                                                         _("The license of the program"),
 262                                                         NULL,
 263                                                         G_PARAM_READWRITE));
 264
 265   /**
 266    * GtkAboutDialog:website:
 267    *
 268    * The URL for the link to the website of the program.
 269    * This should be a string starting with "http://.
 270    *
 271    * Since: 2.6
 272    */
 273   g_object_class_install_property (object_class,
 274                                    PROP_WEBSITE,
 275                                    g_param_spec_string ("website",
 276                                                         P_("Website URL"),
 277                                                         P_("The URL for the link to the website of the program"),
 278                                                         NULL,
 279                                                         G_PARAM_READWRITE));
 280
 281   /**
 282    * GtkAboutDialog:website-label:
 283    *
 284    * The label for the link to the website of the program. If this is not set,
 285    * it defaults to the URL specified in the
 286    * <link linkend="GtkAboutDialog--website">website</link> property.
 287    *
 288    * Since: 2.6
 289    */
 290   g_object_class_install_property (object_class,
 291                                    PROP_WEBSITE_LABEL,
 292                                    g_param_spec_string ("website_label",
 293                                                         P_("Website label"),
 294                                                         P_("The label for the link to the website of the program. If this is not set, it defaults to the URL"),
 295                                                         NULL,
 296                                                         G_PARAM_READWRITE));
 297
 298   /**
 299    * GtkAboutDialog:authors:
 300    *
 301    * The authors of the program, as a %NULL-terminated array of strings.
 302    * Each string may contain email addresses and URLs, which will be displayed
 303    * as links, see the introduction for more details.
 304    *
 305    * Since: 2.6
 306    */
 307   g_object_class_install_property (object_class,
 308                                    PROP_AUTHORS,
 309                                    g_param_spec_boxed ("authors",
 310                                                        P_("Authors"),
 311                                                        P_("List of authors of the program"),
 312                                                        G_TYPE_STRV,
 313                                                        G_PARAM_READWRITE));
 314
 315   /**
 316    * GtkAboutDialog:documenters:
 317    *
 318    * The people documenting the program, as a %NULL-terminated array of strings.
 319    * Each string may contain email addresses and URLs, which will be displayed
 320    * as links, see the introduction for more details.
 321    *
 322    * Since: 2.6
 323    */
 324   g_object_class_install_property (object_class,
 325                                    PROP_DOCUMENTERS,
 326                                    g_param_spec_boxed ("documenters",
 327                                                        P_("Documenters"),
 328                                                        P_("List of people documenting the program"),
 329                                                        G_TYPE_STRV,
 330                                                        G_PARAM_READWRITE));
 331
 332   /**
 333    * GtkAboutDialog:artists:
 334    *
 335    * The people who contributed artwork to the program, as a %NULL-terminated array of strings.
 336    * Each string may contain email addresses and URLs, which will be displayed
 337    * as links, see the introduction for more details.
 338    *
 339    * Since: 2.6
 340    */
 341   g_object_class_install_property (object_class,
 342                                    PROP_ARTISTS,
 343                                    g_param_spec_boxed ("artists",
 344                                                        P_("Artists"),
 345                                                        P_("List of people who have contributed artwork to the program"),
 346                                                        G_TYPE_STRV,
 347                                                        G_PARAM_READWRITE));
 348
 349
 350   /**
 351    * GtkAboutDialog:translator-credits:
 352    *
 353    * Credits to the translators. This string should be marked as translatable.
 354    * The string may contain email addresses and URLs, which will be displayed
 355    * as links, see the introduction for more details.
 356    *
 357    * Since: 2.6
 358    */
 359   g_object_class_install_property (object_class,
 360                                    PROP_TRANSLATOR_CREDITS,
 361                                    g_param_spec_string ("translator_credits",
 362                                                         P_("Translator credits"),
 363                                                         P_("Credits to the translators. This string should be marked as translatable"),
 364                                                         NULL,
 365                                                         G_PARAM_READWRITE));
 366
 367   /**
 368    * GtkAboutDialog:logo:
 369    *
 370    * A logo for the about box. If this is not set, it defaults to
 371    * gtk_window_get_default_icon_list().
 372    *
 373    * Since: 2.6
 374    */
 375   g_object_class_install_property (object_class,
 376                                    PROP_LOGO,
 377                                    g_param_spec_object ("logo",
 378                                                         P_("Logo"),
 379                                                         P_("A logo for the about box. If this is not set, it defaults to gtk_window_get_default_icon_list()"),
 380                                                         GDK_TYPE_PIXBUF,
 381                                                         G_PARAM_READWRITE));
 382
 383   /**
 384    * GtkAboutDialog:logo-icon-name:
 385    *
 386    * A named icon to use as the logo for the about box. This property
 387    * overrides the <link linkend="GtkAboutDialog--logo">logo</link> property.
 388    *
 389    * Since: 2.6
 390    */
 391   g_object_class_install_property (object_class,
 392                                    PROP_LOGO_ICON_NAME,
 393                                    g_param_spec_string ("logo_icon_name",
 394                                                         P_("Logo Icon Name"),
 395                                                         P_("A named icon to use as the logo for the about box."),
 396                                                         NULL,
 397                                                         G_PARAM_READWRITE));
 398
 399   /* Style properties */
 400   gtk_widget_class_install_style_property (widget_class,
 401                                            g_param_spec_boxed ("link_color",
 402                                                                P_("Link Color"),
 403                                                                P_("Color of hyperlinks"),
 404                                                                GDK_TYPE_COLOR,
 405                                                                G_PARAM_READABLE));
 406
 407   g_type_class_add_private (object_class, sizeof (GtkAboutDialogPrivate));
 408 }
 409
 410 static void
 411 gtk_about_dialog_init (GtkAboutDialog *about)
 412 {
 413   GtkAboutDialogPrivate *priv;
 414   GtkWidget *vbox, *hbox, *button;
 415
 416   /* Data */
 417   priv = GTK_ABOUT_DIALOG_GET_PRIVATE (about);
 418   about->private_data = priv;
 419
 420   priv->name = NULL;
 421   priv->version = NULL;
 422   priv->copyright = NULL;
 423   priv->comments = NULL;
 424   priv->website = NULL;
 425   priv->website_label = NULL;
 426   priv->translator_credits = NULL;
 427   priv->authors = NULL;
 428   priv->documenters = NULL;
 429   priv->artists = NULL;
 430
 431   priv->hand_cursor = gdk_cursor_new (GDK_HAND2);
 432   priv->regular_cursor = gdk_cursor_new (GDK_XTERM);
 433   priv->hovering_over_link = FALSE;
 434
 435   gtk_dialog_set_has_separator (GTK_DIALOG (about), FALSE);
 436
 437   /* Widgets */
 438   gtk_widget_push_composite_child ();
 439   vbox = gtk_vbox_new (FALSE, 8);
 440   gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
 441
 442   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (about)->vbox), vbox, TRUE, TRUE, 0);
 443
 444   priv->logo_image = gtk_image_new ();
 445   gtk_box_pack_start (GTK_BOX (vbox), priv->logo_image, FALSE, FALSE, 0);
 446
 447   priv->name_label = gtk_label_new (NULL);
 448   gtk_label_set_selectable (GTK_LABEL (priv->name_label), TRUE);
 449   gtk_label_set_justify (GTK_LABEL (priv->name_label), GTK_JUSTIFY_CENTER);
 450   gtk_box_pack_start (GTK_BOX (vbox), priv->name_label, FALSE, FALSE, 0);
 451
 452   priv->comments_label = gtk_label_new (NULL);
 453   gtk_label_set_selectable (GTK_LABEL (priv->comments_label), TRUE);
 454   gtk_label_set_justify (GTK_LABEL (priv->comments_label), GTK_JUSTIFY_CENTER);
 455   gtk_label_set_line_wrap (GTK_LABEL (priv->comments_label), TRUE);
 456   gtk_box_pack_start (GTK_BOX (vbox), priv->comments_label, FALSE, FALSE, 0);
 457
 458   priv->copyright_label = gtk_label_new (NULL);
 459   gtk_label_set_selectable (GTK_LABEL (priv->copyright_label), TRUE);
 460   gtk_label_set_justify (GTK_LABEL (priv->copyright_label), GTK_JUSTIFY_CENTER);
 461   gtk_box_pack_start (GTK_BOX (vbox), priv->copyright_label, FALSE, FALSE, 0);
 462
 463   button = create_link_button (GTK_WIDGET (about), "", "",
 464                                G_CALLBACK (activate_url), about);
 465
 466   hbox = gtk_hbox_new (TRUE, 0);
 467   gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
 468   gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 0);
 469   priv->website_button = button;
 470
 471   gtk_widget_show (vbox);
 472   gtk_widget_show (priv->logo_image);
 473   gtk_widget_show (priv->name_label);
 474   gtk_widget_show (hbox);
 475
 476   /* Add the OK button */
 477   gtk_dialog_add_button (GTK_DIALOG (about), GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
 478   gtk_dialog_set_default_response (GTK_DIALOG (about), GTK_RESPONSE_CLOSE);
 479
 480   /* Add the credits button */
 481   button = gtk_button_new_from_stock (_("_Credits"));
 482   gtk_box_pack_end (GTK_BOX (GTK_DIALOG (about)->action_area),
 483                     button, FALSE, TRUE, 0);
 484   gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (about)->action_area), button, TRUE);
 485   g_signal_connect (button, "clicked", G_CALLBACK (display_credits_dialog), about);
 486   priv->credits_button = button;
 487   priv->credits_dialog = NULL;
 488
 489   /* Add the license button */
 490   button = gtk_button_new_from_stock (_("_License"));
 491   gtk_box_pack_end (GTK_BOX (GTK_DIALOG (about)->action_area),
 492                     button, FALSE, TRUE, 0);
 493   gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (about)->action_area), button, TRUE);
 494   g_signal_connect (button, "clicked", G_CALLBACK (display_license_dialog), about);
 495   priv->license_button = button;
 496   priv->license_dialog = NULL;
 497
 498   gtk_window_set_resizable (GTK_WINDOW (about), FALSE);
 499
 500   gtk_widget_pop_composite_child ();
 501 }
 502
 503 static void
 504 gtk_about_dialog_finalize (GObject *object)
 505 {
 506   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 507   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
 508
 509   g_free (priv->name);
 510   g_free (priv->version);
 511   g_free (priv->copyright);
 512   g_free (priv->comments);
 513   g_free (priv->license);
 514   g_free (priv->website);
 515   g_free (priv->website_label);
 516   g_free (priv->translator_credits);
 517
 518   g_strfreev (priv->authors);
 519   g_strfreev (priv->documenters);
 520   g_strfreev (priv->artists);
 521
 522   gdk_cursor_unref (priv->hand_cursor);
 523   gdk_cursor_unref (priv->regular_cursor);
 524
 525   G_OBJECT_CLASS (gtk_about_dialog_parent_class)->finalize (object);
 526 }
 527
 528 static void
 529 gtk_about_dialog_set_property (GObject      *object,
 530                                guint         prop_id,
 531                                const GValue *value,
 532                                GParamSpec   *pspec)
 533 {
 534   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 535
 536   switch (prop_id)
 537     {
 538     case PROP_NAME:
 539       gtk_about_dialog_set_name (about, g_value_get_string (value));
 540       break;
 541     case PROP_VERSION:
 542       gtk_about_dialog_set_version (about, g_value_get_string (value));
 543       break;
 544     case PROP_COMMENTS:
 545       gtk_about_dialog_set_comments (about, g_value_get_string (value));
 546       break;
 547     case PROP_WEBSITE:
 548       gtk_about_dialog_set_website (about, g_value_get_string (value));
 549       break;
 550     case PROP_WEBSITE_LABEL:
 551       gtk_about_dialog_set_website_label (about, g_value_get_string (value));
 552       break;
 553     case PROP_LICENSE:
 554       gtk_about_dialog_set_license (about, g_value_get_string (value));
 555       break;
 556     case PROP_COPYRIGHT:
 557       gtk_about_dialog_set_copyright (about, g_value_get_string (value));
 558       break;
 559     case PROP_LOGO:
 560       gtk_about_dialog_set_logo (about, g_value_get_object (value));
 561       break;
 562     case PROP_AUTHORS:
 563       gtk_about_dialog_set_authors (about, (gchar**)g_value_get_boxed (value));
 564       break;
 565     case PROP_DOCUMENTERS:
 566       gtk_about_dialog_set_documenters (about, (gchar**)g_value_get_boxed (value));
 567       break;
 568     case PROP_ARTISTS:
 569       gtk_about_dialog_set_artists (about, (gchar**)g_value_get_boxed (value));
 570       break;
 571     case PROP_TRANSLATOR_CREDITS:
 572       gtk_about_dialog_set_translator_credits (about, g_value_get_string (value));
 573       break;
 574     case PROP_LOGO_ICON_NAME:
 575       gtk_about_dialog_set_logo_icon_name (about, g_value_get_string (value));
 576       break;
 577     default:
 578       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 579       break;
 580     }
 581 }
 582
 583 static void
 584 gtk_about_dialog_get_property (GObject    *object,
 585                                guint       prop_id,
 586                                GValue     *value,
 587                                GParamSpec *pspec)
 588 {
 589   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 590   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
 591
 592   switch (prop_id)
 593     {
 594     case PROP_NAME:
 595       g_value_set_string (value, priv->name);
 596       break;
 597     case PROP_VERSION:
 598       g_value_set_string (value, priv->version);
 599       break;
 600     case PROP_COPYRIGHT:
 601       g_value_set_string (value, priv->copyright);
 602       break;
 603     case PROP_COMMENTS:
 604       g_value_set_string (value, priv->comments);
 605       break;
 606     case PROP_WEBSITE:
 607       g_value_set_string (value, priv->website);
 608       break;
 609     case PROP_WEBSITE_LABEL:
 610       g_value_set_string (value, priv->website_label);
 611       break;
 612     case PROP_LICENSE:
 613       g_value_set_string (value, priv->license);
 614       break;
 615     case PROP_TRANSLATOR_CREDITS:
 616       g_value_set_string (value, priv->translator_credits);
 617       break;
 618     case PROP_AUTHORS:
 619       g_value_set_boxed (value, priv->authors);
 620       break;
 621     case PROP_DOCUMENTERS:
 622       g_value_set_boxed (value, priv->documenters);
 623       break;
 624     case PROP_ARTISTS:
 625       g_value_set_boxed (value, priv->artists);
 626       break;
 627     case PROP_LOGO:
 628       if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
 629         g_value_set_object (value, gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image)));
 630       else
 631         g_value_set_object (value, NULL);
 632       break;
 633     case PROP_LOGO_ICON_NAME:
 634       if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
 635         {
 636           const gchar *icon_name;
 637
 638           gtk_image_get_icon_name (GTK_IMAGE (priv->logo_image), &icon_name, NULL);
 639           g_value_set_string (value, icon_name);
 640         }
 641       else
 642         g_value_set_string (value, NULL);
 643       break;
 644     default:
 645       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 646       break;
 647     }
 648 }
 649
 650 /**
 651  * gtk_about_dialog_get_name:
 652  * @about: a #GtkAboutDialog
 653  *
 654  * Returns the program name displayed in the about dialog.
 655  *
 656  * Return value: The program name. The string is owned by the about
 657  *  dialog and must not be modified.
 658  *
 659  * Since: 2.6
 660  **/
 661 G_CONST_RETURN gchar *
 662 gtk_about_dialog_get_name (GtkAboutDialog *about)
 663 {
 664   GtkAboutDialogPrivate *priv;
 665
 666   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 667
 668   priv = (GtkAboutDialogPrivate *)about->private_data;
 669
 670   return priv->name;
 671 }
 672
 673 static void
 674 update_name_version (GtkAboutDialog *about)
 675 {
 676   GtkAboutDialogPrivate *priv;
 677   gchar *title_string, *name_string;
 678
 679   priv = (GtkAboutDialogPrivate *)about->private_data;
 680
 681   title_string = g_strdup_printf (_("About %s"), priv->name);
 682   gtk_window_set_title (GTK_WINDOW (about), title_string);
 683   g_free (title_string);
 684
 685   if (priv->version != NULL)
 686     name_string = g_markup_printf_escaped ("<span size=\"xx-large\" weight=\"bold\">%s %s</span>",
 687                                              priv->name, priv->version);
 688   else
 689     name_string = g_markup_printf_escaped ("<span size=\"xx-large\" weight=\"bold\">%s</span>",
 690                                            priv->name);
 691
 692   gtk_label_set_markup (GTK_LABEL (priv->name_label), name_string);
 693
 694   g_free (name_string);
 695 }
 696
 697 /**
 698  * gtk_about_dialog_set_name:
 699  * @about: a #GtkAboutDialog
 700  * @name: the program name
 701  *
 702  * Sets the name to display in the about dialog.
 703  * If this is not set, it defaults to g_get_application_name().
 704  *
 705  * Since: 2.6
 706  **/
 707 void
 708 gtk_about_dialog_set_name (GtkAboutDialog *about,
 709                            const gchar    *name)
 710 {
 711   GtkAboutDialogPrivate *priv;
 712   gchar *tmp;
 713
 714   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 715
 716   priv = (GtkAboutDialogPrivate *)about->private_data;
 717   tmp = priv->name;
 718   priv->name = g_strdup (name ? name : g_get_application_name ());
 719   g_free (tmp);
 720
 721   update_name_version (about);
 722
 723   g_object_notify (G_OBJECT (about), "name");
 724 }
 725
 726 /**
 727  * gtk_about_dialog_get_version:
 728  * @about: a #GtkAboutDialog
 729  *
 730  * Returns the version string.
 731  *
 732  * Return value: The version string. The string is owned by the about
 733  *  dialog and must not be modified.
 734  *
 735  * Since: 2.6
 736  **/
 737 G_CONST_RETURN gchar *
 738 gtk_about_dialog_get_version (GtkAboutDialog *about)
 739 {
 740   GtkAboutDialogPrivate *priv;
 741
 742   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 743
 744   priv = (GtkAboutDialogPrivate *)about->private_data;
 745
 746   return priv->version;
 747 }
 748
 749 /**
 750  * gtk_about_dialog_set_version:
 751  * @about: a #GtkAboutDialog
 752  * @version: the version string
 753  *
 754  * Sets the version string to display in the about dialog.
 755  *
 756  * Since: 2.6
 757  **/
 758 void
 759 gtk_about_dialog_set_version (GtkAboutDialog *about,
 760                               const gchar    *version)
 761 {
 762   GtkAboutDialogPrivate *priv;
 763   gchar *tmp;
 764
 765   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 766
 767   priv = (GtkAboutDialogPrivate *)about->private_data;
 768
 769   tmp = priv->version;
 770   priv->version = version ? g_strdup (version) : NULL;
 771   g_free (tmp);
 772
 773   update_name_version (about);
 774
 775   g_object_notify (G_OBJECT (about), "version");
 776 }
 777
 778 /**
 779  * gtk_about_dialog_get_copyright:
 780  * @about: a #GtkAboutDialog
 781  *
 782  * Returns the copyright string.
 783  *
 784  * Return value: The copyright string. The string is owned by the about
 785  *  dialog and must not be modified.
 786  *
 787  * Since: 2.6
 788  **/
 789 G_CONST_RETURN gchar *
 790 gtk_about_dialog_get_copyright (GtkAboutDialog *about)
 791 {
 792   GtkAboutDialogPrivate *priv;
 793
 794   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 795
 796   priv = (GtkAboutDialogPrivate *)about->private_data;
 797
 798   return priv->copyright;
 799 }
 800
 801 /**
 802  * gtk_about_dialog_set_copyright:
 803  * @about: a #GtkAboutDialog
 804  * @copyright: the copyright string
 805  *
 806  * Sets the copyright string to display in the about dialog.
 807  * This should be a short string of one or two lines.
 808  *
 809  * Since: 2.6
 810  **/
 811 void
 812 gtk_about_dialog_set_copyright (GtkAboutDialog *about,
 813                                 const gchar    *copyright)
 814 {
 815   GtkAboutDialogPrivate *priv;
 816   gchar *copyright_string, *tmp;
 817
 818   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 819
 820   priv = (GtkAboutDialogPrivate *)about->private_data;
 821
 822   tmp = priv->copyright;
 823   priv->copyright = copyright ? g_strdup (copyright) : NULL;
 824   g_free (tmp);
 825
 826   if (priv->copyright != NULL)
 827     {
 828       copyright_string = g_markup_printf_escaped ("<span size=\"small\">%s</span>",
 829                                                   priv->copyright);
 830       gtk_label_set_markup (GTK_LABEL (priv->copyright_label), copyright_string);
 831       g_free (copyright_string);
 832
 833       gtk_widget_show (priv->copyright_label);
 834     }
 835   else
 836     gtk_widget_hide (priv->copyright_label);
 837
 838   g_object_notify (G_OBJECT (about), "copyright");
 839 }
 840
 841 /**
 842  * gtk_about_dialog_get_comments:
 843  * @about: a #GtkAboutDialog
 844  *
 845  * Returns the comments string.
 846  *
 847  * Return value: The comments. The string is owned by the about
 848  *  dialog and must not be modified.
 849  *
 850  * Since: 2.6
 851  **/
 852 G_CONST_RETURN gchar *
 853 gtk_about_dialog_get_comments (GtkAboutDialog *about)
 854 {
 855   GtkAboutDialogPrivate *priv;
 856
 857   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 858
 859   priv = (GtkAboutDialogPrivate *)about->private_data;
 860
 861   return priv->comments;
 862 }
 863
 864 /**
 865  * gtk_about_dialog_set_comments:
 866  * @about: a #GtkAboutDialog
 867  * @comments: a comments string
 868  *
 869  * Sets the comments string to display in the about
 870  * dialog. This should be a short string of one or
 871  * two lines.
 872  *
 873  * Since: 2.6
 874  **/
 875 void
 876 gtk_about_dialog_set_comments (GtkAboutDialog *about,
 877                                const gchar    *comments)
 878 {
 879   GtkAboutDialogPrivate *priv;
 880   gchar *tmp;
 881
 882   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 883
 884   priv = (GtkAboutDialogPrivate *)about->private_data;
 885
 886   tmp = priv->comments;
 887   if (comments)
 888     {
 889       priv->comments = g_strdup (comments);
 890       gtk_label_set_text (GTK_LABEL (priv->comments_label), priv->comments);
 891       gtk_widget_show (priv->comments_label);
 892     }
 893   else
 894     {
 895       priv->comments = NULL;
 896       gtk_widget_hide (priv->comments_label);
 897     }
 898   g_free (tmp);
 899
 900   g_object_notify (G_OBJECT (about), "comments");
 901 }
 902
 903 /**
 904  * gtk_about_dialog_get_license:
 905  * @about: a #GtkAboutDialog
 906  *
 907  * Returns the license information.
 908  *
 909  * Return value: The license information. The string is owned by the about
 910  *  dialog and must not be modified.
 911  *
 912  * Since: 2.6
 913  **/
 914 G_CONST_RETURN gchar *
 915 gtk_about_dialog_get_license (GtkAboutDialog *about)
 916 {
 917   GtkAboutDialogPrivate *priv;
 918
 919   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 920
 921   priv = (GtkAboutDialogPrivate *)about->private_data;
 922
 923   return priv->license;
 924 }
 925
 926 /**
 927  * gtk_about_dialog_set_license:
 928  * @about: a #GtkAboutDialog
 929  * @license: the license information or %NULL
 930  *
 931  * Sets the license information to be displayed in the secondary
 932  * license dialog. If @license is %NULL, the license button is
 933  * hidden.
 934  *
 935  * Since: 2.6
 936  **/
 937 void
 938 gtk_about_dialog_set_license (GtkAboutDialog *about,
 939                               const gchar    *license)
 940 {
 941   GtkAboutDialogPrivate *priv;
 942   gchar *tmp;
 943
 944   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 945
 946   priv = (GtkAboutDialogPrivate *)about->private_data;
 947
 948   tmp = priv->license;
 949   if (license)
 950     {
 951       priv->license = g_strdup (license);
 952       gtk_widget_show (priv->license_button);
 953     }
 954   else
 955     {
 956       priv->license = NULL;
 957       gtk_widget_hide (priv->license_button);
 958     }
 959   g_free (tmp);
 960
 961   g_object_notify (G_OBJECT (about), "license");
 962 }
 963
 964 /**
 965  * gtk_about_dialog_get_website:
 966  * @about: a #GtkAboutDialog
 967  *
 968  * Returns the website URL.
 969  *
 970  * Return value: The website URL. The string is owned by the about
 971  *  dialog and must not be modified.
 972  *
 973  * Since: 2.6
 974  **/
 975 G_CONST_RETURN gchar *
 976 gtk_about_dialog_get_website (GtkAboutDialog *about)
 977 {
 978   GtkAboutDialogPrivate *priv;
 979
 980   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 981
 982   priv = (GtkAboutDialogPrivate *)about->private_data;
 983
 984   return priv->website;
 985 }
 986
 987 /**
 988  * gtk_about_dialog_set_website:
 989  * @about: a #GtkAboutDialog
 990  * @website: a URL string starting with "http://"
 991  *
 992  * Sets the URL to use for the website link.
 993  *
 994  * Since: 2.6
 995  **/
 996 void
 997 gtk_about_dialog_set_website (GtkAboutDialog *about,
 998                               const gchar    *website)
 999 {
1000   GtkAboutDialogPrivate *priv;
1001   gchar *tmp;
1002
1003   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1004
1005   priv = (GtkAboutDialogPrivate *)about->private_data;
1006
1007   tmp = priv->website;
1008   if (website != NULL)
1009     {
1010       priv->website = g_strdup (website);
1011       if (activate_url_hook != NULL)
1012         {
1013           g_object_set_data_full (G_OBJECT (priv->website_button),
1014                                   "url", g_strdup (website), g_free);
1015           if (priv->website_label == NULL)
1016             gtk_about_dialog_set_website_label (about, website);
1017         }
1018       else
1019         {
1020           GtkWidget *hbox = priv->website_button->parent;
1021           gtk_widget_destroy (priv->website_button);
1022           priv->website_button = gtk_label_new (website);
1023           gtk_label_set_selectable (GTK_LABEL (priv->website_button), TRUE);
1024           gtk_container_add (GTK_CONTAINER (hbox), priv->website_button);
1025           gtk_widget_show (priv->website_button);
1026         }
1027     }
1028   else
1029     {
1030       priv->website = NULL;
1031       g_object_set_data (G_OBJECT (priv->website_button), "url", NULL);
1032     }
1033   g_free (tmp);
1034
1035   g_object_notify (G_OBJECT (about), "website");
1036 }
1037
1038 /**
1039  * gtk_about_dialog_get_website_label:
1040  * @about: a #GtkAboutDialog
1041  *
1042  * Returns the label used for the website link.
1043  *
1044  * Return value: The label used for the website link. The string is owned by the about
1045  *  dialog and must not be modified.
1046  *
1047  * Since: 2.6
1048  **/
1049 G_CONST_RETURN gchar *
1050 gtk_about_dialog_get_website_label (GtkAboutDialog *about)
1051 {
1052   GtkAboutDialogPrivate *priv;
1053
1054   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1055
1056   priv = (GtkAboutDialogPrivate *)about->private_data;
1057
1058   return priv->website_label;
1059 }
1060
1061 /**
1062  * gtk_about_dialog_set_website_label:
1063  * @about: a #GtkAboutDialog
1064  * @website_label: the label used for the website link
1065  *
1066  * Sets the label to be used for the website link.
1067  * It defaults to the website URL.
1068  *
1069  * Since: 2.6
1070  **/
1071 void
1072 gtk_about_dialog_set_website_label (GtkAboutDialog *about,
1073                                     const gchar    *website_label)
1074 {
1075   GtkAboutDialogPrivate *priv;
1076   gchar *tmp;
1077
1078   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1079
1080   priv = (GtkAboutDialogPrivate *)about->private_data;
1081
1082   tmp = priv->website_label;
1083   if (activate_url_hook != NULL)
1084     {
1085       if (website_label != NULL)
1086         {
1087           priv->website_label = g_strdup (website_label);
1088           set_link_button_text (GTK_WIDGET (about),
1089                                 priv->website_button,
1090                                 priv->website_label);
1091           gtk_widget_show (priv->website_button);
1092         }
1093       else
1094         {
1095           priv->website_label = NULL;
1096           gtk_widget_hide (priv->website_button);
1097         }
1098     }
1099   g_free (tmp);
1100
1101   g_object_notify (G_OBJECT (about), "website_label");
1102 }
1103
1104 /**
1105  * gtk_about_dialog_get_authors:
1106  * @about: a #GtkAboutDialog
1107  *
1108  * Returns the string which are displayed in the authors tab
1109  * of the secondary credits dialog.
1110  *
1111  * Return value: A %NULL-terminated string array containing
1112  *  the authors. The array is owned by the about dialog
1113  *  and must not be modified.
1114  *
1115  * Since: 2.6
1116  **/
1117 gchar **
1118 gtk_about_dialog_get_authors (GtkAboutDialog *about)
1119 {
1120   GtkAboutDialogPrivate *priv;
1121
1122   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1123
1124   priv = (GtkAboutDialogPrivate *)about->private_data;
1125
1126   return priv->authors;
1127 }
1128
1129 /**
1130  * gtk_about_dialog_set_authors:
1131  * @about: a #GtkAboutDialog
1132  * @authors: a %NULL-terminated array of strings
1133  *
1134  * Sets the strings which are displayed in the authors tab
1135  * of the secondary credits dialog.
1136  *
1137  * Since: 2.6
1138  **/
1139 void
1140 gtk_about_dialog_set_authors (GtkAboutDialog  *about,
1141                               gchar          **authors)
1142 {
1143   GtkAboutDialogPrivate *priv;
1144   gchar **tmp;
1145
1146   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1147
1148   priv = (GtkAboutDialogPrivate *)about->private_data;
1149
1150   tmp = priv->authors;
1151   priv->authors = g_strdupv (authors);
1152   g_strfreev (tmp);
1153
1154   if (priv->authors != NULL)
1155     gtk_widget_show (priv->credits_button);
1156
1157   g_object_notify (G_OBJECT (about), "authors");
1158 }
1159
1160 /**
1161  * gtk_about_dialog_get_documenters:
1162  * @about: a #GtkAboutDialog
1163  *
1164  * Returns the string which are displayed in the documenters
1165  * tab of the secondary credits dialog.
1166  *
1167  * Return value: A %NULL-terminated string array containing
1168  *  the documenters. The array is owned by the about dialog
1169  *  and must not be modified.
1170  *
1171  * Since: 2.6
1172  **/
1173 gchar **
1174 gtk_about_dialog_get_documenters (GtkAboutDialog *about)
1175 {
1176   GtkAboutDialogPrivate *priv;
1177
1178   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1179
1180   priv = (GtkAboutDialogPrivate *)about->private_data;
1181
1182   return priv->documenters;
1183 }
1184
1185 /**
1186  * gtk_about_dialog_set_documenters:
1187  * @about: a #GtkAboutDialog
1188  * @documenters: a %NULL-terminated array of strings
1189  *
1190  * Sets the strings which are displayed in the documenters tab
1191  * of the secondary credits dialog.
1192  *
1193  * Since: 2.6
1194  **/
1195 void
1196 gtk_about_dialog_set_documenters (GtkAboutDialog *about,
1197                                   gchar         **documenters)
1198 {
1199   GtkAboutDialogPrivate *priv;
1200   gchar **tmp;
1201
1202   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1203
1204   priv = (GtkAboutDialogPrivate *)about->private_data;
1205
1206   tmp = priv->documenters;
1207   priv->documenters = g_strdupv (documenters);
1208   g_strfreev (tmp);
1209
1210   if (priv->documenters != NULL)
1211     gtk_widget_show (priv->credits_button);
1212
1213   g_object_notify (G_OBJECT (about), "documenters");
1214 }
1215
1216 /**
1217  * gtk_about_dialog_get_artists:
1218  * @about: a #GtkAboutDialog
1219  *
1220  * Returns the string which are displayed in the artists tab
1221  * of the secondary credits dialog.
1222  *
1223  * Return value: A %NULL-terminated string array containing
1224  *  the artists. The array is owned by the about dialog
1225  *  and must not be modified.
1226  *
1227  * Since: 2.6
1228  **/
1229 gchar **
1230 gtk_about_dialog_get_artists (GtkAboutDialog *about)
1231 {
1232   GtkAboutDialogPrivate *priv;
1233
1234   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1235
1236   priv = (GtkAboutDialogPrivate *)about->private_data;
1237
1238   return priv->artists;
1239 }
1240
1241 /**
1242  * gtk_about_dialog_set_artists:
1243  * @about: a #GtkAboutDialog
1244  * @artists: a %NULL-terminated array of strings
1245  *
1246  * Sets the strings which are displayed in the artists tab
1247  * of the secondary credits dialog.
1248  *
1249  * Since: 2.6
1250  **/
1251 void
1252 gtk_about_dialog_set_artists (GtkAboutDialog *about,
1253                               gchar         **artists)
1254 {
1255   GtkAboutDialogPrivate *priv;
1256   gchar **tmp;
1257
1258   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1259
1260   priv = (GtkAboutDialogPrivate *)about->private_data;
1261
1262   tmp = priv->artists;
1263   priv->artists = g_strdupv (artists);
1264   g_strfreev (tmp);
1265
1266   if (priv->artists != NULL)
1267     gtk_widget_show (priv->credits_button);
1268
1269   g_object_notify (G_OBJECT (about), "artists");
1270 }
1271
1272 /**
1273  * gtk_about_dialog_get_translator_credits:
1274  * @about: a #GtkAboutDialog
1275  *
1276  * Returns the translator credits string which is displayed
1277  * in the translators tab of the secondary credits dialog.
1278  *
1279  * Return value: The translator credits string. The string is
1280  *   owned by the about dialog and must not be modified.
1281  *
1282  * Since: 2.6
1283  **/
1284 G_CONST_RETURN gchar *
1285 gtk_about_dialog_get_translator_credits (GtkAboutDialog *about)
1286 {
1287   GtkAboutDialogPrivate *priv;
1288
1289   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1290
1291   priv = (GtkAboutDialogPrivate *)about->private_data;
1292
1293   return priv->translator_credits;
1294 }
1295
1296 /**
1297  * gtk_about_dialog_set_translator_credits:
1298  * @about: a #GtkAboutDialog
1299  * @translator_credits: the translator credits
1300  *
1301  * Sets the translator credits string which is displayed in
1302  * the translators tab of the secondary credits dialog.
1303  *
1304  * The intended use for this string is to display the translator
1305  * of the language which is currently used in the user interface.
1306  * Using gettext(), a simple way to achieve that is to mark the
1307  * string for translation:
1308  * <informalexample><programlisting>
1309  *  gtk_about_dialog_set_translator_credits (about, _("translator-credits"));
1310  * </programlisting></informalexample>
1311  * It is a good idea to use the customary msgid "translator-credits" for this
1312  * purpose, since translators will already know the purpose of that msgid, and
1313  * since #GtkAboutDialog will detect if "translator-credits" is untranslated
1314  * and hide the tab.
1315  *
1316  * Since: 2.6
1317  **/
1318 void
1319 gtk_about_dialog_set_translator_credits (GtkAboutDialog *about,
1320                                          const gchar    *translator_credits)
1321 {
1322   GtkAboutDialogPrivate *priv;
1323   gchar *tmp;
1324
1325   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1326
1327   priv = (GtkAboutDialogPrivate *)about->private_data;
1328
1329   tmp = priv->translator_credits;
1330   priv->translator_credits = g_strdup (translator_credits);
1331   g_free (tmp);
1332
1333   if (priv->translator_credits != NULL)
1334     gtk_widget_show (priv->credits_button);
1335
1336   g_object_notify (G_OBJECT (about), "translator-credits");
1337 }
1338
1339 /**
1340  * gtk_about_dialog_get_logo:
1341  * @about: a #GtkAboutDialog
1342  *
1343  * Returns the pixbuf displayed as logo in the about dialog.
1344  *
1345  * Return value: the pixbuf displayed as logo. The pixbuf is
1346  *   owned by the about dialog. If you want to keep a reference
1347  *   to it, you have to call g_object_ref() on it.
1348  *
1349  * Since: 2.6
1350  **/
1351 GdkPixbuf *
1352 gtk_about_dialog_get_logo (GtkAboutDialog *about)
1353 {
1354   GtkAboutDialogPrivate *priv;
1355
1356   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1357
1358   priv = (GtkAboutDialogPrivate *)about->private_data;
1359
1360   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1361     return gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image));
1362   else
1363     return NULL;
1364 }
1365
1366 static GtkIconSet *
1367 icon_set_new_from_pixbufs (GList *pixbufs)
1368 {
1369   GtkIconSet *icon_set = gtk_icon_set_new ();
1370
1371   for (; pixbufs; pixbufs = pixbufs->next)
1372     {
1373       GdkPixbuf *pixbuf = GDK_PIXBUF (pixbufs->data);
1374
1375       GtkIconSource *icon_source = gtk_icon_source_new ();
1376       gtk_icon_source_set_pixbuf (icon_source, pixbuf);
1377       gtk_icon_set_add_source (icon_set, icon_source);
1378       gtk_icon_source_free (icon_source);
1379     }
1380
1381   return icon_set;
1382 }
1383
1384 /**
1385  * gtk_about_dialog_set_logo:
1386  * @about: a #GtkAboutDialog
1387  * @logo: a #GdkPixbuf, or %NULL
1388  *
1389  * Sets the pixbuf to be displayed as logo in
1390  * the about dialog. If it is %NULL, the default
1391  * window icon set with gtk_window_set_default_icon ()
1392  * will be used.
1393  *
1394  * Since: 2.6
1395  **/
1396 void
1397 gtk_about_dialog_set_logo (GtkAboutDialog *about,
1398                            GdkPixbuf      *logo)
1399 {
1400   GtkAboutDialogPrivate *priv;
1401
1402   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1403
1404   priv = (GtkAboutDialogPrivate *)about->private_data;
1405
1406   g_object_freeze_notify (G_OBJECT (about));
1407
1408   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1409     g_object_notify (G_OBJECT (about), "logo_icon_name");
1410
1411   if (logo != NULL)
1412     gtk_image_set_from_pixbuf (GTK_IMAGE (priv->logo_image), logo);
1413   else
1414     {
1415       GList *pixbufs = gtk_window_get_default_icon_list ();
1416
1417       if (pixbufs != NULL)
1418         {
1419           GtkIconSet *icon_set = icon_set_new_from_pixbufs (pixbufs);
1420
1421           gtk_image_set_from_icon_set (GTK_IMAGE (priv->logo_image),
1422                                        icon_set, GTK_ICON_SIZE_DIALOG);
1423
1424           gtk_icon_set_unref (icon_set);
1425           g_list_free (pixbufs);
1426         }
1427     }
1428
1429   g_object_notify (G_OBJECT (about), "logo");
1430
1431   g_object_thaw_notify (G_OBJECT (about));
1432 }
1433
1434 /**
1435  * gtk_about_dialog_get_logo_icon_name:
1436  * @about: a #GtkAboutDialog
1437  *
1438  * Returns the icon name displayed as logo in the about dialog.
1439  *
1440  * Return value: the icon name displayed as logo. The string is
1441  *   owned by the about dialog. If you want to keep a reference
1442  *   to it, you have to call g_strdup() on it.
1443  *
1444  * Since: 2.6
1445  **/
1446 G_CONST_RETURN gchar *
1447 gtk_about_dialog_get_logo_icon_name (GtkAboutDialog *about)
1448 {
1449   GtkAboutDialogPrivate *priv;
1450   const gchar *icon_name;
1451
1452   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1453
1454   priv = (GtkAboutDialogPrivate *)about->private_data;
1455
1456   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1457     gtk_image_get_icon_name (GTK_IMAGE (priv->logo_image), &icon_name, NULL);
1458
1459   return icon_name;
1460 }
1461
1462 /**
1463  * gtk_about_dialog_set_logo_icon_name:
1464  * @about: a #GtkAboutDialog
1465  * @icon_name: an icon name, or %NULL
1466  *
1467  * Sets the pixbuf to be displayed as logo in
1468  * the about dialog. If it is %NULL, the default
1469  * window icon set with gtk_window_set_default_icon()
1470  * will be used.
1471  *
1472  * Since: 2.6
1473  **/
1474 void
1475 gtk_about_dialog_set_logo_icon_name (GtkAboutDialog *about,
1476                                      const gchar    *icon_name)
1477 {
1478   GtkAboutDialogPrivate *priv;
1479
1480   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1481
1482   priv = (GtkAboutDialogPrivate *)about->private_data;
1483
1484   g_object_freeze_notify (G_OBJECT (about));
1485
1486   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1487     g_object_notify (G_OBJECT (about), "logo");
1488
1489   gtk_image_set_from_icon_name (GTK_IMAGE (priv->logo_image), icon_name,
1490                                 GTK_ICON_SIZE_DIALOG);
1491   g_object_notify (G_OBJECT (about), "logo_icon_name");
1492
1493   g_object_thaw_notify (G_OBJECT (about));
1494 }
1495
1496 static void
1497 activate_url (GtkWidget *widget,
1498               gpointer   data)
1499 {
1500   GtkAboutDialog *about = GTK_ABOUT_DIALOG (data);
1501   gchar *url = g_object_get_data (G_OBJECT (widget), "url");
1502
1503   if (activate_url_hook != NULL)
1504     (* activate_url_hook) (about, url, activate_url_hook_data);
1505 }
1506
1507 static void
1508 set_link_button_text (GtkWidget *about,
1509                       GtkWidget *button,
1510                       gchar     *text)
1511 {
1512   GtkWidget *label;
1513   gchar *link;
1514   GdkColor *style_link_color;
1515   GdkColor link_color = { 0, 0, 0, 0xffff };
1516
1517   gtk_widget_ensure_style (about);
1518   gtk_widget_style_get (about, "link_color", &style_link_color, NULL);
1519   if (style_link_color)
1520     {
1521       link_color = *style_link_color;
1522       gdk_color_free (style_link_color);
1523     }
1524
1525   link = g_markup_printf_escaped ("<span foreground=\"#%04x%04x%04x\" underline=\"single\">%s</span>",
1526                                   link_color.red, link_color.green, link_color.blue, text);
1527
1528   label = gtk_bin_get_child (GTK_BIN (button));
1529   gtk_label_set_markup (GTK_LABEL (label), link);
1530   g_free (link);
1531 }
1532
1533 static GtkWidget *
1534 create_link_button (GtkWidget *about,
1535                     gchar     *text,
1536                     gchar     *url,
1537                     GCallback  callback,
1538                     gpointer   data)
1539 {
1540   GtkWidget *button;
1541
1542   button = gtk_button_new_with_label ("");
1543   GTK_WIDGET_UNSET_FLAGS (button, GTK_RECEIVES_DEFAULT);
1544   gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
1545
1546   g_object_set_data_full (G_OBJECT (button), "url", g_strdup (url), g_free);
1547   set_link_button_text (about, button, text);
1548
1549   g_signal_connect (G_OBJECT (button), "clicked", callback, data);
1550
1551   return button;
1552 }
1553
1554 static void
1555 follow_if_link (GtkAboutDialog *about,
1556                 GtkTextIter    *iter)
1557 {
1558   GSList *tags = NULL, *tagp = NULL;
1559
1560   tags = gtk_text_iter_get_tags (iter);
1561   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
1562     {
1563       GtkTextTag *tag = tagp->data;
1564       gchar *email = g_object_get_data (G_OBJECT (tag), "email");
1565       gchar *url = g_object_get_data (G_OBJECT (tag), "url");
1566
1567       if (email != NULL && activate_email_hook != NULL)
1568         {
1569           (* activate_email_hook) (about, email, activate_email_hook_data);
1570           break;
1571         }
1572
1573       if (url != NULL && activate_url_hook != NULL)
1574         {
1575           (* activate_url_hook) (about, url, activate_url_hook_data);
1576           break;
1577         }
1578     }
1579
1580   if (tags)
1581     g_slist_free (tags);
1582 }
1583
1584 static gboolean
1585 credits_key_press_event (GtkWidget      *text_view,
1586                          GdkEventKey    *event,
1587                          GtkAboutDialog *about)
1588 {
1589   GtkTextIter iter;
1590   GtkTextBuffer *buffer;
1591
1592   switch (event->keyval)
1593     {
1594       case GDK_Return:
1595       case GDK_KP_Enter:
1596         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1597         gtk_text_buffer_get_iter_at_mark (buffer, &iter,
1598                                           gtk_text_buffer_get_insert (buffer));
1599         follow_if_link (about, &iter);
1600         break;
1601
1602       default:
1603         break;
1604     }
1605
1606   return FALSE;
1607 }
1608
1609 static gboolean
1610 credits_event_after (GtkWidget      *text_view,
1611                      GdkEvent       *event,
1612                      GtkAboutDialog *about)
1613 {
1614   GtkTextIter start, end, iter;
1615   GtkTextBuffer *buffer;
1616   GdkEventButton *button_event;
1617   gint x, y;
1618
1619   if (event->type != GDK_BUTTON_RELEASE)
1620     return FALSE;
1621
1622   button_event = (GdkEventButton *)event;
1623
1624   if (button_event->button != 1)
1625     return FALSE;
1626
1627   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1628
1629   /* we shouldn't follow a link if the user has selected something */
1630   gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
1631   if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end))
1632     return FALSE;
1633
1634   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1635                                          GTK_TEXT_WINDOW_WIDGET,
1636                                          button_event->x, button_event->y, &x, &y);
1637
1638   gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (text_view), &iter, x, y);
1639
1640   follow_if_link (about, &iter);
1641
1642   return FALSE;
1643 }
1644
1645 static void
1646 set_cursor_if_appropriate (GtkAboutDialog *about,
1647                            GtkTextView    *text_view,
1648                            gint            x,
1649                            gint            y)
1650 {
1651   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1652   GSList *tags = NULL, *tagp = NULL;
1653   GtkTextBuffer *buffer;
1654   GtkTextIter iter;
1655   gboolean hovering_over_link = FALSE;
1656
1657   buffer = gtk_text_view_get_buffer (text_view);
1658
1659   gtk_text_view_get_iter_at_location (text_view, &iter, x, y);
1660
1661   tags = gtk_text_iter_get_tags (&iter);
1662   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
1663     {
1664       GtkTextTag *tag = tagp->data;
1665       gchar *email = g_object_get_data (G_OBJECT (tag), "email");
1666       gchar *url = g_object_get_data (G_OBJECT (tag), "url");
1667
1668       if (email != NULL || url != NULL)
1669         {
1670           hovering_over_link = TRUE;
1671           break;
1672         }
1673     }
1674
1675   if (hovering_over_link != priv->hovering_over_link)
1676     {
1677       priv->hovering_over_link = hovering_over_link;
1678
1679       if (hovering_over_link)
1680         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->hand_cursor);
1681       else
1682         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->regular_cursor);
1683     }
1684
1685   if (tags)
1686     g_slist_free (tags);
1687 }
1688
1689 static gboolean
1690 credits_motion_notify_event (GtkWidget *text_view,
1691                              GdkEventMotion *event,
1692                              GtkAboutDialog *about)
1693 {
1694   gint x, y;
1695
1696   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1697                                          GTK_TEXT_WINDOW_WIDGET,
1698                                          event->x, event->y, &x, &y);
1699
1700   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), x, y);
1701
1702   gdk_window_get_pointer (text_view->window, NULL, NULL, NULL);
1703
1704   return FALSE;
1705 }
1706
1707
1708 static gboolean
1709 credits_visibility_notify_event (GtkWidget          *text_view,
1710                                  GdkEventVisibility *event,
1711                                  GtkAboutDialog     *about)
1712 {
1713   gint wx, wy, bx, by;
1714
1715   gdk_window_get_pointer (text_view->window, &wx, &wy, NULL);
1716
1717   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1718                                          GTK_TEXT_WINDOW_WIDGET,
1719                                          wx, wy, &bx, &by);
1720
1721   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), bx, by);
1722
1723   return FALSE;
1724 }
1725
1726 static void
1727 text_view_style_set (GtkWidget *widget, GtkStyle *prev_style, GtkWidget *text_view)
1728 {
1729   gtk_widget_modify_base (text_view, GTK_STATE_NORMAL,
1730                           &widget->style->bg[GTK_STATE_NORMAL]);
1731 }
1732
1733 static void
1734 add_credits_page (GtkAboutDialog *about,
1735                   GtkWidget      *notebook,
1736                   gchar          *title,
1737                   gchar         **people)
1738 {
1739   gchar **p;
1740   gchar *q0, *q1, *q2, *r1, *r2;
1741   GtkWidget *sw, *view;
1742   GtkTextBuffer *buffer;
1743   gboolean linkify_email, linkify_urls;
1744   GdkColor *style_link_color;
1745   GdkColor link_color = { 0, 0, 0, 0xffff };
1746
1747   linkify_email = (activate_email_hook != NULL);
1748   linkify_urls = (activate_url_hook != NULL);
1749
1750   gtk_widget_ensure_style (GTK_WIDGET (about));
1751   gtk_widget_style_get (GTK_WIDGET (about), "link_color", &style_link_color, NULL);
1752   if (style_link_color)
1753     {
1754       link_color = *style_link_color;
1755       gdk_color_free (style_link_color);
1756     }
1757
1758   view = gtk_text_view_new ();
1759   g_signal_connect (about, "style_set",
1760                     G_CALLBACK (text_view_style_set), view);
1761
1762   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
1763   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
1764   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
1765   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
1766   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
1767
1768   g_signal_connect (G_OBJECT (view), "key-press-event",
1769                     G_CALLBACK (credits_key_press_event), about);
1770   g_signal_connect (G_OBJECT (view), "event-after",
1771                     G_CALLBACK (credits_event_after), about);
1772   g_signal_connect (G_OBJECT (view), "motion-notify-event",
1773                     G_CALLBACK (credits_motion_notify_event), about);
1774   g_signal_connect (G_OBJECT (view), "visibility-notify-event",
1775                     G_CALLBACK (credits_visibility_notify_event), about);
1776
1777   sw = gtk_scrolled_window_new (NULL, NULL);
1778   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
1779                                   GTK_POLICY_AUTOMATIC,
1780                                   GTK_POLICY_AUTOMATIC);
1781   gtk_container_add (GTK_CONTAINER (sw), view);
1782
1783   gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
1784                             sw, gtk_label_new (title));
1785
1786   if (people == NULL)
1787     {
1788       gtk_widget_hide (view);
1789       return;
1790     }
1791   else
1792     gtk_widget_show (view);
1793
1794   for (p = people; *p; p++)
1795     {
1796       q0  = *p;
1797       while (*q0)
1798         {
1799           q1 = linkify_email ? strchr (q0, '<') : NULL;
1800           q2 = q1 ? strchr (q1, '>') : NULL;
1801           r1 = linkify_urls ? strstr (q0, "http://") : NULL;
1802           if (r1)
1803             {
1804               r2 = strpbrk (r1, " \n\t");
1805               if (!r2)
1806                 r2 = strchr (r1, '\0');
1807             }
1808           else
1809             r2 = NULL;
1810
1811           if (r1 && r2 && (!q1 || !q2 || (r1 < q1)))
1812             {
1813               q1 = r1;
1814               q2 = r2;
1815             }
1816
1817           if (q1 && q2)
1818             {
1819               GtkTextIter end;
1820               gchar *link;
1821               gchar *link_type;
1822               GtkTextTag *tag;
1823
1824               gtk_text_buffer_insert_at_cursor (buffer, q0, q1 - q0);
1825               gtk_text_buffer_get_end_iter (buffer, &end);
1826
1827               q0 = q2;
1828
1829               if (*q1 == '<')
1830                 {
1831                   q1++;
1832                   q0++;
1833                   link_type = "email";
1834                 }
1835               else
1836                 link_type = "url";
1837
1838               link = g_strndup (q1, q2 - q1);
1839               tag = gtk_text_buffer_create_tag (buffer, NULL,
1840                                                 "foreground_gdk", &link_color,
1841                                                 "underline", PANGO_UNDERLINE_SINGLE,
1842                                                 NULL);
1843               g_object_set_data_full (G_OBJECT (tag), link_type, g_strdup (link), g_free);
1844               gtk_text_buffer_insert_with_tags (buffer, &end, link, -1, tag, NULL);
1845
1846               g_free (link);
1847             }
1848           else
1849             {
1850               gtk_text_buffer_insert_at_cursor (buffer, q0, -1);
1851               break;
1852             }
1853         }
1854
1855       if (p[1])
1856         gtk_text_buffer_insert_at_cursor (buffer, "\n", 1);
1857     }
1858 }
1859
1860 static void
1861 display_credits_dialog (GtkWidget *button,
1862                         gpointer   data)
1863 {
1864   GtkAboutDialog *about = (GtkAboutDialog *)data;
1865   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1866   GtkWidget *dialog, *notebook;
1867
1868   if (priv->credits_dialog != NULL)
1869     {
1870       gtk_window_present (GTK_WINDOW (priv->credits_dialog));
1871       return;
1872     }
1873
1874   dialog = gtk_dialog_new_with_buttons (_("Credits"),
1875                                         GTK_WINDOW (about),
1876                                         GTK_DIALOG_DESTROY_WITH_PARENT,
1877                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
1878                                         NULL);
1879   gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
1880
1881   priv->credits_dialog = dialog;
1882   gtk_window_set_default_size (GTK_WINDOW (dialog), 360, 260);
1883   gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
1884
1885   gtk_window_set_modal (GTK_WINDOW (dialog),
1886                         gtk_window_get_modal (GTK_WINDOW (about)));
1887
1888   g_signal_connect (dialog, "response",
1889                     G_CALLBACK (gtk_widget_destroy), dialog);
1890   g_signal_connect (dialog, "destroy",
1891                     G_CALLBACK (gtk_widget_destroyed),
1892                     &(priv->credits_dialog));
1893
1894   notebook = gtk_notebook_new ();
1895   gtk_container_set_border_width (GTK_CONTAINER (notebook), 8);
1896   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), notebook, TRUE, TRUE, 0);
1897
1898   if (priv->authors != NULL)
1899     add_credits_page (about, notebook, _("Written by"), priv->authors);
1900
1901   if (priv->documenters != NULL)
1902     add_credits_page (about, notebook, _("Documented by"), priv->documenters);
1903
1904   /* Don't show an untranslated gettext msgid */
1905   if (priv->translator_credits != NULL &&
1906       strcmp (priv->translator_credits, "translator_credits") &&
1907       strcmp (priv->translator_credits, "translator-credits"))
1908     {
1909       gchar *translators[2];
1910
1911       translators[0] = priv->translator_credits;
1912       translators[1] = NULL;
1913
1914       add_credits_page (about, notebook, _("Translated by"), translators);
1915     }
1916
1917   if (priv->artists != NULL)
1918     add_credits_page (about, notebook, _("Artwork by"), priv->artists);
1919
1920   gtk_widget_show_all (dialog);
1921 }
1922
1923 static void
1924 display_license_dialog (GtkWidget *button,
1925                         gpointer   data)
1926 {
1927   GtkAboutDialog *about = (GtkAboutDialog *)data;
1928   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1929   GtkWidget *dialog, *view, *sw;
1930
1931   if (priv->license_dialog != NULL)
1932     {
1933       gtk_window_present (GTK_WINDOW (priv->license_dialog));
1934       return;
1935     }
1936
1937   dialog = gtk_dialog_new_with_buttons (_("License"),
1938                                         GTK_WINDOW (about),
1939                                         GTK_DIALOG_DESTROY_WITH_PARENT,
1940                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
1941                                         NULL);
1942   gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
1943   priv->license_dialog = dialog;
1944   gtk_window_set_default_size (GTK_WINDOW (dialog), 420, 320);
1945   gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
1946
1947   gtk_window_set_modal (GTK_WINDOW (dialog),
1948                         gtk_window_get_modal (GTK_WINDOW (about)));
1949
1950   g_signal_connect (dialog, "response",
1951                     G_CALLBACK (gtk_widget_destroy), dialog);
1952   g_signal_connect (dialog, "destroy",
1953                     G_CALLBACK (gtk_widget_destroyed),
1954                     &(priv->license_dialog));
1955
1956   sw = gtk_scrolled_window_new (NULL, NULL);
1957   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
1958                                        GTK_SHADOW_IN);
1959   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
1960                                   GTK_POLICY_AUTOMATIC,
1961                                   GTK_POLICY_AUTOMATIC);
1962   gtk_container_set_border_width (GTK_CONTAINER (sw), 8);
1963   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), sw, TRUE, TRUE, 0);
1964
1965   view = gtk_text_view_new ();
1966   gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)),
1967                             priv->license, -1);
1968
1969   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
1970   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
1971   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
1972   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
1973
1974   gtk_container_add (GTK_CONTAINER (sw), view);
1975
1976   gtk_widget_show_all (dialog);
1977 }
1978
1979 static void
1980 close_cb (GtkAboutDialog *about)
1981 {
1982   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1983
1984   if (priv->license_dialog != NULL)
1985     {
1986       gtk_widget_destroy (priv->license_dialog);
1987       priv->license_dialog = NULL;
1988     }
1989
1990   if (priv->credits_dialog != NULL)
1991     {
1992       gtk_widget_destroy (priv->credits_dialog);
1993       priv->credits_dialog = NULL;
1994     }
1995
1996   gtk_widget_hide (GTK_WIDGET (about));
1997
1998 }
1999
2000 /**
2001  * gtk_about_dialog_new:
2002  *
2003  * Creates a new #GtkAboutDialog.
2004  *
2005  * Returns: a newly created #GtkAboutDialog
2006  *
2007  * Since: 2.6
2008  */
2009 GtkWidget *
2010 gtk_about_dialog_new (void)
2011 {
2012   GtkAboutDialog *dialog = GTK_ABOUT_DIALOG (g_object_new (GTK_TYPE_ABOUT_DIALOG, NULL));
2013
2014   /* force defaults */
2015   gtk_about_dialog_set_name (dialog, NULL);
2016   gtk_about_dialog_set_logo (dialog, NULL);
2017
2018   /* Close dialog on user response */
2019   g_signal_connect (G_OBJECT (dialog),
2020                     "response",
2021                     G_CALLBACK (close_cb),
2022                     NULL);
2023
2024   return GTK_WIDGET (dialog);
2025 }
2026
2027 /**
2028  * gtk_about_dialog_set_email_hook:
2029  * @func: a function to call when an email link is activated.
2030  * @data: data to pass to @func
2031  * @destroy: #GDestroyNotify for @data
2032  *
2033  * Installs a global function to be called whenever the user activates an
2034  * email link in an about dialog.
2035  *
2036  * Return value: the previous email hook.
2037  *
2038  * Since: 2.6
2039  */
2040 GtkAboutDialogActivateLinkFunc
2041 gtk_about_dialog_set_email_hook (GtkAboutDialogActivateLinkFunc func,
2042                                  gpointer                       data,
2043                                  GDestroyNotify                 destroy)
2044 {
2045   GtkAboutDialogActivateLinkFunc old;
2046
2047   if (activate_email_hook_destroy != NULL)
2048     (* activate_email_hook_destroy) (activate_url_hook_data);
2049
2050   old = activate_email_hook;
2051
2052   activate_email_hook = func;
2053   activate_email_hook_data = data;
2054   activate_email_hook_destroy = destroy;
2055
2056   return old;
2057 }
2058
2059 /**
2060  * gtk_about_dialog_set_url_hook:
2061  * @func: a function to call when a URL link is activated.
2062  * @data: data to pass to @func
2063  * @destroy: #GDestroyNotify for @data
2064  *
2065  * Installs a global function to be called whenever the user activates a
2066  * URL link in an about dialog.
2067  *
2068  * Return value: the previous URL hook.
2069  *
2070  * Since: 2.6
2071  */
2072 GtkAboutDialogActivateLinkFunc
2073 gtk_about_dialog_set_url_hook (GtkAboutDialogActivateLinkFunc func,
2074                                gpointer                       data,
2075                                GDestroyNotify                 destroy)
2076 {
2077   GtkAboutDialogActivateLinkFunc old;
2078
2079   if (activate_url_hook_destroy != NULL)
2080     (* activate_url_hook_destroy) (activate_email_hook_data);
2081
2082   old = activate_url_hook;
2083
2084   activate_url_hook = func;
2085   activate_url_hook_data = data;
2086   activate_url_hook_destroy = destroy;
2087
2088   return old;
2089 }
2090
2091 /**
2092  * gtk_show_about_dialog:
2093  * @parent: transient parent, or %NULL for none
2094  * @first_property_name: the name of the first property
2095  * @Varargs: value of first property, followed by more properties, %NULL-terminated
2096  *
2097  * This is a convenience function for showing an application's about box.
2098  * The constructed dialog is associated with the parent window and
2099  * reused for future invocations of this function.
2100  *
2101  * Since: 2.6
2102  */
2103 void
2104 gtk_show_about_dialog (GtkWindow   *parent,
2105                        const gchar *first_property_name,
2106                        ...)
2107 {
2108   static GtkWidget *global_about_dialog = NULL;
2109   GtkWidget *dialog = NULL;
2110   va_list var_args;
2111
2112   if (parent)
2113     dialog = g_object_get_data (G_OBJECT (parent), "gtk-about-dialog");
2114   else
2115     dialog = global_about_dialog;
2116
2117   if (!dialog)
2118     {
2119       dialog = gtk_about_dialog_new ();
2120
2121       g_object_ref (G_OBJECT (dialog));
2122       gtk_object_sink (GTK_OBJECT (dialog));
2123
2124       g_signal_connect (dialog, "delete_event", G_CALLBACK (gtk_widget_hide_on_delete), NULL);
2125
2126       va_start (var_args, first_property_name);
2127       g_object_set_valist (G_OBJECT (dialog), first_property_name, var_args);
2128       va_end (var_args);
2129
2130       if (parent)
2131         {
2132           gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);
2133           gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
2134           g_object_set_data_full (G_OBJECT (parent), "gtk-about-dialog",
2135                                   dialog, g_object_unref);
2136         }
2137       else
2138         global_about_dialog = dialog;
2139
2140     }
2141
2142   gtk_window_present (GTK_WINDOW (dialog));
2143 }