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->license = NULL;
 428   priv->authors = NULL;
 429   priv->documenters = NULL;
 430   priv->artists = NULL;
 431
 432   priv->hand_cursor = gdk_cursor_new (GDK_HAND2);
 433   priv->regular_cursor = gdk_cursor_new (GDK_XTERM);
 434   priv->hovering_over_link = FALSE;
 435
 436   gtk_dialog_set_has_separator (GTK_DIALOG (about), FALSE);
 437
 438   /* Widgets */
 439   gtk_widget_push_composite_child ();
 440   vbox = gtk_vbox_new (FALSE, 8);
 441   gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
 442
 443   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (about)->vbox), vbox, TRUE, TRUE, 0);
 444
 445   priv->logo_image = gtk_image_new ();
 446   gtk_box_pack_start (GTK_BOX (vbox), priv->logo_image, FALSE, FALSE, 0);
 447
 448   priv->name_label = gtk_label_new (NULL);
 449   gtk_label_set_selectable (GTK_LABEL (priv->name_label), TRUE);
 450   gtk_label_set_justify (GTK_LABEL (priv->name_label), GTK_JUSTIFY_CENTER);
 451   gtk_box_pack_start (GTK_BOX (vbox), priv->name_label, FALSE, FALSE, 0);
 452
 453   priv->comments_label = gtk_label_new (NULL);
 454   gtk_label_set_selectable (GTK_LABEL (priv->comments_label), TRUE);
 455   gtk_label_set_justify (GTK_LABEL (priv->comments_label), GTK_JUSTIFY_CENTER);
 456   gtk_label_set_line_wrap (GTK_LABEL (priv->comments_label), TRUE);
 457   gtk_box_pack_start (GTK_BOX (vbox), priv->comments_label, FALSE, FALSE, 0);
 458
 459   priv->copyright_label = gtk_label_new (NULL);
 460   gtk_label_set_selectable (GTK_LABEL (priv->copyright_label), TRUE);
 461   gtk_label_set_justify (GTK_LABEL (priv->copyright_label), GTK_JUSTIFY_CENTER);
 462   gtk_box_pack_start (GTK_BOX (vbox), priv->copyright_label, FALSE, FALSE, 0);
 463
 464   button = create_link_button (GTK_WIDGET (about), "", "",
 465                                G_CALLBACK (activate_url), about);
 466
 467   hbox = gtk_hbox_new (TRUE, 0);
 468   gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
 469   gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 0);
 470   priv->website_button = button;
 471
 472   gtk_widget_show (vbox);
 473   gtk_widget_show (priv->logo_image);
 474   gtk_widget_show (priv->name_label);
 475   gtk_widget_show (hbox);
 476
 477   /* Add the OK button */
 478   gtk_dialog_add_button (GTK_DIALOG (about), GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
 479   gtk_dialog_set_default_response (GTK_DIALOG (about), GTK_RESPONSE_CLOSE);
 480
 481   /* Add the credits button */
 482   button = gtk_button_new_from_stock (_("C_redits"));
 483   gtk_box_pack_end (GTK_BOX (GTK_DIALOG (about)->action_area),
 484                     button, FALSE, TRUE, 0);
 485   gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (about)->action_area), button, TRUE);
 486   g_signal_connect (button, "clicked", G_CALLBACK (display_credits_dialog), about);
 487   priv->credits_button = button;
 488   priv->credits_dialog = NULL;
 489
 490   /* Add the license button */
 491   button = gtk_button_new_from_stock (_("_License"));
 492   gtk_box_pack_end (GTK_BOX (GTK_DIALOG (about)->action_area),
 493                     button, FALSE, TRUE, 0);
 494   gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (about)->action_area), button, TRUE);
 495   g_signal_connect (button, "clicked", G_CALLBACK (display_license_dialog), about);
 496   priv->license_button = button;
 497   priv->license_dialog = NULL;
 498
 499   gtk_window_set_resizable (GTK_WINDOW (about), FALSE);
 500
 501   gtk_widget_pop_composite_child ();
 502 }
 503
 504 static void
 505 gtk_about_dialog_finalize (GObject *object)
 506 {
 507   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 508   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
 509
 510   g_free (priv->name);
 511   g_free (priv->version);
 512   g_free (priv->copyright);
 513   g_free (priv->comments);
 514   g_free (priv->license);
 515   g_free (priv->website);
 516   g_free (priv->website_label);
 517   g_free (priv->translator_credits);
 518
 519   g_strfreev (priv->authors);
 520   g_strfreev (priv->documenters);
 521   g_strfreev (priv->artists);
 522
 523   gdk_cursor_unref (priv->hand_cursor);
 524   gdk_cursor_unref (priv->regular_cursor);
 525
 526   G_OBJECT_CLASS (gtk_about_dialog_parent_class)->finalize (object);
 527 }
 528
 529 static void
 530 gtk_about_dialog_set_property (GObject      *object,
 531                                guint         prop_id,
 532                                const GValue *value,
 533                                GParamSpec   *pspec)
 534 {
 535   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 536
 537   switch (prop_id)
 538     {
 539     case PROP_NAME:
 540       gtk_about_dialog_set_name (about, g_value_get_string (value));
 541       break;
 542     case PROP_VERSION:
 543       gtk_about_dialog_set_version (about, g_value_get_string (value));
 544       break;
 545     case PROP_COMMENTS:
 546       gtk_about_dialog_set_comments (about, g_value_get_string (value));
 547       break;
 548     case PROP_WEBSITE:
 549       gtk_about_dialog_set_website (about, g_value_get_string (value));
 550       break;
 551     case PROP_WEBSITE_LABEL:
 552       gtk_about_dialog_set_website_label (about, g_value_get_string (value));
 553       break;
 554     case PROP_LICENSE:
 555       gtk_about_dialog_set_license (about, g_value_get_string (value));
 556       break;
 557     case PROP_COPYRIGHT:
 558       gtk_about_dialog_set_copyright (about, g_value_get_string (value));
 559       break;
 560     case PROP_LOGO:
 561       gtk_about_dialog_set_logo (about, g_value_get_object (value));
 562       break;
 563     case PROP_AUTHORS:
 564       gtk_about_dialog_set_authors (about, (const gchar**)g_value_get_boxed (value));
 565       break;
 566     case PROP_DOCUMENTERS:
 567       gtk_about_dialog_set_documenters (about, (const gchar**)g_value_get_boxed (value));
 568       break;
 569     case PROP_ARTISTS:
 570       gtk_about_dialog_set_artists (about, (const gchar**)g_value_get_boxed (value));
 571       break;
 572     case PROP_TRANSLATOR_CREDITS:
 573       gtk_about_dialog_set_translator_credits (about, g_value_get_string (value));
 574       break;
 575     case PROP_LOGO_ICON_NAME:
 576       gtk_about_dialog_set_logo_icon_name (about, g_value_get_string (value));
 577       break;
 578     default:
 579       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 580       break;
 581     }
 582 }
 583
 584 static void
 585 gtk_about_dialog_get_property (GObject    *object,
 586                                guint       prop_id,
 587                                GValue     *value,
 588                                GParamSpec *pspec)
 589 {
 590   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 591   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
 592
 593   switch (prop_id)
 594     {
 595     case PROP_NAME:
 596       g_value_set_string (value, priv->name);
 597       break;
 598     case PROP_VERSION:
 599       g_value_set_string (value, priv->version);
 600       break;
 601     case PROP_COPYRIGHT:
 602       g_value_set_string (value, priv->copyright);
 603       break;
 604     case PROP_COMMENTS:
 605       g_value_set_string (value, priv->comments);
 606       break;
 607     case PROP_WEBSITE:
 608       g_value_set_string (value, priv->website);
 609       break;
 610     case PROP_WEBSITE_LABEL:
 611       g_value_set_string (value, priv->website_label);
 612       break;
 613     case PROP_LICENSE:
 614       g_value_set_string (value, priv->license);
 615       break;
 616     case PROP_TRANSLATOR_CREDITS:
 617       g_value_set_string (value, priv->translator_credits);
 618       break;
 619     case PROP_AUTHORS:
 620       g_value_set_boxed (value, priv->authors);
 621       break;
 622     case PROP_DOCUMENTERS:
 623       g_value_set_boxed (value, priv->documenters);
 624       break;
 625     case PROP_ARTISTS:
 626       g_value_set_boxed (value, priv->artists);
 627       break;
 628     case PROP_LOGO:
 629       if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
 630         g_value_set_object (value, gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image)));
 631       else
 632         g_value_set_object (value, NULL);
 633       break;
 634     case PROP_LOGO_ICON_NAME:
 635       if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
 636         {
 637           const gchar *icon_name;
 638
 639           gtk_image_get_icon_name (GTK_IMAGE (priv->logo_image), &icon_name, NULL);
 640           g_value_set_string (value, icon_name);
 641         }
 642       else
 643         g_value_set_string (value, NULL);
 644       break;
 645     default:
 646       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 647       break;
 648     }
 649 }
 650
 651 /**
 652  * gtk_about_dialog_get_name:
 653  * @about: a #GtkAboutDialog
 654  *
 655  * Returns the program name displayed in the about dialog.
 656  *
 657  * Return value: The program name. The string is owned by the about
 658  *  dialog and must not be modified.
 659  *
 660  * Since: 2.6
 661  **/
 662 G_CONST_RETURN gchar *
 663 gtk_about_dialog_get_name (GtkAboutDialog *about)
 664 {
 665   GtkAboutDialogPrivate *priv;
 666
 667   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 668
 669   priv = (GtkAboutDialogPrivate *)about->private_data;
 670
 671   return priv->name;
 672 }
 673
 674 static void
 675 update_name_version (GtkAboutDialog *about)
 676 {
 677   GtkAboutDialogPrivate *priv;
 678   gchar *title_string, *name_string;
 679
 680   priv = (GtkAboutDialogPrivate *)about->private_data;
 681
 682   title_string = g_strdup_printf (_("About %s"), priv->name);
 683   gtk_window_set_title (GTK_WINDOW (about), title_string);
 684   g_free (title_string);
 685
 686   if (priv->version != NULL)
 687     name_string = g_markup_printf_escaped ("<span size=\"xx-large\" weight=\"bold\">%s %s</span>",
 688                                              priv->name, priv->version);
 689   else
 690     name_string = g_markup_printf_escaped ("<span size=\"xx-large\" weight=\"bold\">%s</span>",
 691                                            priv->name);
 692
 693   gtk_label_set_markup (GTK_LABEL (priv->name_label), name_string);
 694
 695   g_free (name_string);
 696 }
 697
 698 /**
 699  * gtk_about_dialog_set_name:
 700  * @about: a #GtkAboutDialog
 701  * @name: the program name
 702  *
 703  * Sets the name to display in the about dialog.
 704  * If this is not set, it defaults to g_get_application_name().
 705  *
 706  * Since: 2.6
 707  **/
 708 void
 709 gtk_about_dialog_set_name (GtkAboutDialog *about,
 710                            const gchar    *name)
 711 {
 712   GtkAboutDialogPrivate *priv;
 713   gchar *tmp;
 714
 715   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 716
 717   priv = (GtkAboutDialogPrivate *)about->private_data;
 718   tmp = priv->name;
 719   priv->name = g_strdup (name ? name : g_get_application_name ());
 720   g_free (tmp);
 721
 722   update_name_version (about);
 723
 724   g_object_notify (G_OBJECT (about), "name");
 725 }
 726
 727 /**
 728  * gtk_about_dialog_get_version:
 729  * @about: a #GtkAboutDialog
 730  *
 731  * Returns the version string.
 732  *
 733  * Return value: The version string. The string is owned by the about
 734  *  dialog and must not be modified.
 735  *
 736  * Since: 2.6
 737  **/
 738 G_CONST_RETURN gchar *
 739 gtk_about_dialog_get_version (GtkAboutDialog *about)
 740 {
 741   GtkAboutDialogPrivate *priv;
 742
 743   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 744
 745   priv = (GtkAboutDialogPrivate *)about->private_data;
 746
 747   return priv->version;
 748 }
 749
 750 /**
 751  * gtk_about_dialog_set_version:
 752  * @about: a #GtkAboutDialog
 753  * @version: the version string
 754  *
 755  * Sets the version string to display in the about dialog.
 756  *
 757  * Since: 2.6
 758  **/
 759 void
 760 gtk_about_dialog_set_version (GtkAboutDialog *about,
 761                               const gchar    *version)
 762 {
 763   GtkAboutDialogPrivate *priv;
 764   gchar *tmp;
 765
 766   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 767
 768   priv = (GtkAboutDialogPrivate *)about->private_data;
 769
 770   tmp = priv->version;
 771   priv->version = version ? g_strdup (version) : NULL;
 772   g_free (tmp);
 773
 774   update_name_version (about);
 775
 776   g_object_notify (G_OBJECT (about), "version");
 777 }
 778
 779 /**
 780  * gtk_about_dialog_get_copyright:
 781  * @about: a #GtkAboutDialog
 782  *
 783  * Returns the copyright string.
 784  *
 785  * Return value: The copyright string. The string is owned by the about
 786  *  dialog and must not be modified.
 787  *
 788  * Since: 2.6
 789  **/
 790 G_CONST_RETURN gchar *
 791 gtk_about_dialog_get_copyright (GtkAboutDialog *about)
 792 {
 793   GtkAboutDialogPrivate *priv;
 794
 795   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 796
 797   priv = (GtkAboutDialogPrivate *)about->private_data;
 798
 799   return priv->copyright;
 800 }
 801
 802 /**
 803  * gtk_about_dialog_set_copyright:
 804  * @about: a #GtkAboutDialog
 805  * @copyright: the copyright string
 806  *
 807  * Sets the copyright string to display in the about dialog.
 808  * This should be a short string of one or two lines.
 809  *
 810  * Since: 2.6
 811  **/
 812 void
 813 gtk_about_dialog_set_copyright (GtkAboutDialog *about,
 814                                 const gchar    *copyright)
 815 {
 816   GtkAboutDialogPrivate *priv;
 817   gchar *copyright_string, *tmp;
 818
 819   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 820
 821   priv = (GtkAboutDialogPrivate *)about->private_data;
 822
 823   tmp = priv->copyright;
 824   priv->copyright = copyright ? g_strdup (copyright) : NULL;
 825   g_free (tmp);
 826
 827   if (priv->copyright != NULL)
 828     {
 829       copyright_string = g_markup_printf_escaped ("<span size=\"small\">%s</span>",
 830                                                   priv->copyright);
 831       gtk_label_set_markup (GTK_LABEL (priv->copyright_label), copyright_string);
 832       g_free (copyright_string);
 833
 834       gtk_widget_show (priv->copyright_label);
 835     }
 836   else
 837     gtk_widget_hide (priv->copyright_label);
 838
 839   g_object_notify (G_OBJECT (about), "copyright");
 840 }
 841
 842 /**
 843  * gtk_about_dialog_get_comments:
 844  * @about: a #GtkAboutDialog
 845  *
 846  * Returns the comments string.
 847  *
 848  * Return value: The comments. The string is owned by the about
 849  *  dialog and must not be modified.
 850  *
 851  * Since: 2.6
 852  **/
 853 G_CONST_RETURN gchar *
 854 gtk_about_dialog_get_comments (GtkAboutDialog *about)
 855 {
 856   GtkAboutDialogPrivate *priv;
 857
 858   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 859
 860   priv = (GtkAboutDialogPrivate *)about->private_data;
 861
 862   return priv->comments;
 863 }
 864
 865 /**
 866  * gtk_about_dialog_set_comments:
 867  * @about: a #GtkAboutDialog
 868  * @comments: a comments string
 869  *
 870  * Sets the comments string to display in the about
 871  * dialog. This should be a short string of one or
 872  * two lines.
 873  *
 874  * Since: 2.6
 875  **/
 876 void
 877 gtk_about_dialog_set_comments (GtkAboutDialog *about,
 878                                const gchar    *comments)
 879 {
 880   GtkAboutDialogPrivate *priv;
 881   gchar *tmp;
 882
 883   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 884
 885   priv = (GtkAboutDialogPrivate *)about->private_data;
 886
 887   tmp = priv->comments;
 888   if (comments)
 889     {
 890       priv->comments = g_strdup (comments);
 891       gtk_label_set_text (GTK_LABEL (priv->comments_label), priv->comments);
 892       gtk_widget_show (priv->comments_label);
 893     }
 894   else
 895     {
 896       priv->comments = NULL;
 897       gtk_widget_hide (priv->comments_label);
 898     }
 899   g_free (tmp);
 900
 901   g_object_notify (G_OBJECT (about), "comments");
 902 }
 903
 904 /**
 905  * gtk_about_dialog_get_license:
 906  * @about: a #GtkAboutDialog
 907  *
 908  * Returns the license information.
 909  *
 910  * Return value: The license information. The string is owned by the about
 911  *  dialog and must not be modified.
 912  *
 913  * Since: 2.6
 914  **/
 915 G_CONST_RETURN gchar *
 916 gtk_about_dialog_get_license (GtkAboutDialog *about)
 917 {
 918   GtkAboutDialogPrivate *priv;
 919
 920   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 921
 922   priv = (GtkAboutDialogPrivate *)about->private_data;
 923
 924   return priv->license;
 925 }
 926
 927 /**
 928  * gtk_about_dialog_set_license:
 929  * @about: a #GtkAboutDialog
 930  * @license: the license information or %NULL
 931  *
 932  * Sets the license information to be displayed in the secondary
 933  * license dialog. If @license is %NULL, the license button is
 934  * hidden.
 935  *
 936  * Since: 2.6
 937  **/
 938 void
 939 gtk_about_dialog_set_license (GtkAboutDialog *about,
 940                               const gchar    *license)
 941 {
 942   GtkAboutDialogPrivate *priv;
 943   gchar *tmp;
 944
 945   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 946
 947   priv = (GtkAboutDialogPrivate *)about->private_data;
 948
 949   tmp = priv->license;
 950   if (license)
 951     {
 952       priv->license = g_strdup (license);
 953       gtk_widget_show (priv->license_button);
 954     }
 955   else
 956     {
 957       priv->license = NULL;
 958       gtk_widget_hide (priv->license_button);
 959     }
 960   g_free (tmp);
 961
 962   g_object_notify (G_OBJECT (about), "license");
 963 }
 964
 965 /**
 966  * gtk_about_dialog_get_website:
 967  * @about: a #GtkAboutDialog
 968  *
 969  * Returns the website URL.
 970  *
 971  * Return value: The website URL. The string is owned by the about
 972  *  dialog and must not be modified.
 973  *
 974  * Since: 2.6
 975  **/
 976 G_CONST_RETURN gchar *
 977 gtk_about_dialog_get_website (GtkAboutDialog *about)
 978 {
 979   GtkAboutDialogPrivate *priv;
 980
 981   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 982
 983   priv = (GtkAboutDialogPrivate *)about->private_data;
 984
 985   return priv->website;
 986 }
 987
 988 /**
 989  * gtk_about_dialog_set_website:
 990  * @about: a #GtkAboutDialog
 991  * @website: a URL string starting with "http://"
 992  *
 993  * Sets the URL to use for the website link.
 994  *
 995  * Since: 2.6
 996  **/
 997 void
 998 gtk_about_dialog_set_website (GtkAboutDialog *about,
 999                               const gchar    *website)
1000 {
1001   GtkAboutDialogPrivate *priv;
1002   gchar *tmp;
1003
1004   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1005
1006   priv = (GtkAboutDialogPrivate *)about->private_data;
1007
1008   tmp = priv->website;
1009   if (website != NULL)
1010     {
1011       priv->website = g_strdup (website);
1012       if (activate_url_hook != NULL)
1013         {
1014           g_object_set_data_full (G_OBJECT (priv->website_button),
1015                                   "url", g_strdup (website), g_free);
1016           if (priv->website_label == NULL)
1017             gtk_about_dialog_set_website_label (about, website);
1018         }
1019       else
1020         {
1021           GtkWidget *hbox = priv->website_button->parent;
1022           gtk_widget_destroy (priv->website_button);
1023           priv->website_button = gtk_label_new (website);
1024           gtk_label_set_selectable (GTK_LABEL (priv->website_button), TRUE);
1025           gtk_container_add (GTK_CONTAINER (hbox), priv->website_button);
1026           gtk_widget_show (priv->website_button);
1027         }
1028     }
1029   else
1030     {
1031       priv->website = NULL;
1032       g_object_set_data (G_OBJECT (priv->website_button), "url", NULL);
1033       gtk_widget_hide (priv->website_button);
1034     }
1035   g_free (tmp);
1036
1037   g_object_notify (G_OBJECT (about), "website");
1038 }
1039
1040 /**
1041  * gtk_about_dialog_get_website_label:
1042  * @about: a #GtkAboutDialog
1043  *
1044  * Returns the label used for the website link.
1045  *
1046  * Return value: The label used for the website link. The string is owned by the about
1047  *  dialog and must not be modified.
1048  *
1049  * Since: 2.6
1050  **/
1051 G_CONST_RETURN gchar *
1052 gtk_about_dialog_get_website_label (GtkAboutDialog *about)
1053 {
1054   GtkAboutDialogPrivate *priv;
1055
1056   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1057
1058   priv = (GtkAboutDialogPrivate *)about->private_data;
1059
1060   return priv->website_label;
1061 }
1062
1063 /**
1064  * gtk_about_dialog_set_website_label:
1065  * @about: a #GtkAboutDialog
1066  * @website_label: the label used for the website link
1067  *
1068  * Sets the label to be used for the website link.
1069  * It defaults to the website URL.
1070  *
1071  * Since: 2.6
1072  **/
1073 void
1074 gtk_about_dialog_set_website_label (GtkAboutDialog *about,
1075                                     const gchar    *website_label)
1076 {
1077   GtkAboutDialogPrivate *priv;
1078   gchar *tmp;
1079
1080   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1081
1082   priv = (GtkAboutDialogPrivate *)about->private_data;
1083
1084   tmp = priv->website_label;
1085   if (activate_url_hook != NULL)
1086     {
1087       if (website_label != NULL)
1088         {
1089           priv->website_label = g_strdup (website_label);
1090           set_link_button_text (GTK_WIDGET (about),
1091                                 priv->website_button,
1092                                 priv->website_label);
1093           gtk_widget_show (priv->website_button);
1094         }
1095       else
1096         {
1097           priv->website_label = NULL;
1098           gtk_widget_hide (priv->website_button);
1099         }
1100     }
1101   g_free (tmp);
1102
1103   g_object_notify (G_OBJECT (about), "website_label");
1104 }
1105
1106 /**
1107  * gtk_about_dialog_get_authors:
1108  * @about: a #GtkAboutDialog
1109  *
1110  * Returns the string which are displayed in the authors tab
1111  * of the secondary credits dialog.
1112  *
1113  * Return value: A %NULL-terminated string array containing
1114  *  the authors. The array is owned by the about dialog
1115  *  and must not be modified.
1116  *
1117  * Since: 2.6
1118  **/
1119 G_CONST_RETURN gchar * G_CONST_RETURN *
1120 gtk_about_dialog_get_authors (GtkAboutDialog *about)
1121 {
1122   GtkAboutDialogPrivate *priv;
1123
1124   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1125
1126   priv = (GtkAboutDialogPrivate *)about->private_data;
1127
1128   return (const gchar * const *) priv->authors;
1129 }
1130
1131 /**
1132  * gtk_about_dialog_set_authors:
1133  * @about: a #GtkAboutDialog
1134  * @authors: a %NULL-terminated array of strings
1135  *
1136  * Sets the strings which are displayed in the authors tab
1137  * of the secondary credits dialog.
1138  *
1139  * Since: 2.6
1140  **/
1141 void
1142 gtk_about_dialog_set_authors (GtkAboutDialog  *about,
1143                               const gchar    **authors)
1144 {
1145   GtkAboutDialogPrivate *priv;
1146   gchar **tmp;
1147
1148   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1149
1150   priv = (GtkAboutDialogPrivate *)about->private_data;
1151
1152   tmp = priv->authors;
1153   priv->authors = g_strdupv ((gchar **)authors);
1154   g_strfreev (tmp);
1155
1156   if (priv->authors != NULL)
1157     gtk_widget_show (priv->credits_button);
1158
1159   g_object_notify (G_OBJECT (about), "authors");
1160 }
1161
1162 /**
1163  * gtk_about_dialog_get_documenters:
1164  * @about: a #GtkAboutDialog
1165  *
1166  * Returns the string which are displayed in the documenters
1167  * tab of the secondary credits dialog.
1168  *
1169  * Return value: A %NULL-terminated string array containing
1170  *  the documenters. The array is owned by the about dialog
1171  *  and must not be modified.
1172  *
1173  * Since: 2.6
1174  **/
1175 G_CONST_RETURN gchar * G_CONST_RETURN *
1176 gtk_about_dialog_get_documenters (GtkAboutDialog *about)
1177 {
1178   GtkAboutDialogPrivate *priv;
1179
1180   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1181
1182   priv = (GtkAboutDialogPrivate *)about->private_data;
1183
1184   return (const gchar * const *)priv->documenters;
1185 }
1186
1187 /**
1188  * gtk_about_dialog_set_documenters:
1189  * @about: a #GtkAboutDialog
1190  * @documenters: a %NULL-terminated array of strings
1191  *
1192  * Sets the strings which are displayed in the documenters tab
1193  * of the secondary credits dialog.
1194  *
1195  * Since: 2.6
1196  **/
1197 void
1198 gtk_about_dialog_set_documenters (GtkAboutDialog *about,
1199                                   const gchar   **documenters)
1200 {
1201   GtkAboutDialogPrivate *priv;
1202   gchar **tmp;
1203
1204   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1205
1206   priv = (GtkAboutDialogPrivate *)about->private_data;
1207
1208   tmp = priv->documenters;
1209   priv->documenters = g_strdupv ((gchar **)documenters);
1210   g_strfreev (tmp);
1211
1212   if (priv->documenters != NULL)
1213     gtk_widget_show (priv->credits_button);
1214
1215   g_object_notify (G_OBJECT (about), "documenters");
1216 }
1217
1218 /**
1219  * gtk_about_dialog_get_artists:
1220  * @about: a #GtkAboutDialog
1221  *
1222  * Returns the string which are displayed in the artists tab
1223  * of the secondary credits dialog.
1224  *
1225  * Return value: A %NULL-terminated string array containing
1226  *  the artists. The array is owned by the about dialog
1227  *  and must not be modified.
1228  *
1229  * Since: 2.6
1230  **/
1231 G_CONST_RETURN gchar * G_CONST_RETURN *
1232 gtk_about_dialog_get_artists (GtkAboutDialog *about)
1233 {
1234   GtkAboutDialogPrivate *priv;
1235
1236   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1237
1238   priv = (GtkAboutDialogPrivate *)about->private_data;
1239
1240   return (const gchar * const *)priv->artists;
1241 }
1242
1243 /**
1244  * gtk_about_dialog_set_artists:
1245  * @about: a #GtkAboutDialog
1246  * @artists: a %NULL-terminated array of strings
1247  *
1248  * Sets the strings which are displayed in the artists tab
1249  * of the secondary credits dialog.
1250  *
1251  * Since: 2.6
1252  **/
1253 void
1254 gtk_about_dialog_set_artists (GtkAboutDialog *about,
1255                               const gchar   **artists)
1256 {
1257   GtkAboutDialogPrivate *priv;
1258   gchar **tmp;
1259
1260   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1261
1262   priv = (GtkAboutDialogPrivate *)about->private_data;
1263
1264   tmp = priv->artists;
1265   priv->artists = g_strdupv ((gchar **)artists);
1266   g_strfreev (tmp);
1267
1268   if (priv->artists != NULL)
1269     gtk_widget_show (priv->credits_button);
1270
1271   g_object_notify (G_OBJECT (about), "artists");
1272 }
1273
1274 /**
1275  * gtk_about_dialog_get_translator_credits:
1276  * @about: a #GtkAboutDialog
1277  *
1278  * Returns the translator credits string which is displayed
1279  * in the translators tab of the secondary credits dialog.
1280  *
1281  * Return value: The translator credits string. The string is
1282  *   owned by the about dialog and must not be modified.
1283  *
1284  * Since: 2.6
1285  **/
1286 G_CONST_RETURN gchar *
1287 gtk_about_dialog_get_translator_credits (GtkAboutDialog *about)
1288 {
1289   GtkAboutDialogPrivate *priv;
1290
1291   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1292
1293   priv = (GtkAboutDialogPrivate *)about->private_data;
1294
1295   return priv->translator_credits;
1296 }
1297
1298 /**
1299  * gtk_about_dialog_set_translator_credits:
1300  * @about: a #GtkAboutDialog
1301  * @translator_credits: the translator credits
1302  *
1303  * Sets the translator credits string which is displayed in
1304  * the translators tab of the secondary credits dialog.
1305  *
1306  * The intended use for this string is to display the translator
1307  * of the language which is currently used in the user interface.
1308  * Using gettext(), a simple way to achieve that is to mark the
1309  * string for translation:
1310  * <informalexample><programlisting>
1311  *  gtk_about_dialog_set_translator_credits (about, _("translator-credits"));
1312  * </programlisting></informalexample>
1313  * It is a good idea to use the customary msgid "translator-credits" for this
1314  * purpose, since translators will already know the purpose of that msgid, and
1315  * since #GtkAboutDialog will detect if "translator-credits" is untranslated
1316  * and hide the tab.
1317  *
1318  * Since: 2.6
1319  **/
1320 void
1321 gtk_about_dialog_set_translator_credits (GtkAboutDialog *about,
1322                                          const gchar    *translator_credits)
1323 {
1324   GtkAboutDialogPrivate *priv;
1325   gchar *tmp;
1326
1327   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1328
1329   priv = (GtkAboutDialogPrivate *)about->private_data;
1330
1331   tmp = priv->translator_credits;
1332   priv->translator_credits = g_strdup (translator_credits);
1333   g_free (tmp);
1334
1335   if (priv->translator_credits != NULL)
1336     gtk_widget_show (priv->credits_button);
1337
1338   g_object_notify (G_OBJECT (about), "translator-credits");
1339 }
1340
1341 /**
1342  * gtk_about_dialog_get_logo:
1343  * @about: a #GtkAboutDialog
1344  *
1345  * Returns the pixbuf displayed as logo in the about dialog.
1346  *
1347  * Return value: the pixbuf displayed as logo. The pixbuf is
1348  *   owned by the about dialog. If you want to keep a reference
1349  *   to it, you have to call g_object_ref() on it.
1350  *
1351  * Since: 2.6
1352  **/
1353 GdkPixbuf *
1354 gtk_about_dialog_get_logo (GtkAboutDialog *about)
1355 {
1356   GtkAboutDialogPrivate *priv;
1357
1358   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1359
1360   priv = (GtkAboutDialogPrivate *)about->private_data;
1361
1362   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1363     return gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image));
1364   else
1365     return NULL;
1366 }
1367
1368 static GtkIconSet *
1369 icon_set_new_from_pixbufs (GList *pixbufs)
1370 {
1371   GtkIconSet *icon_set = gtk_icon_set_new ();
1372
1373   for (; pixbufs; pixbufs = pixbufs->next)
1374     {
1375       GdkPixbuf *pixbuf = GDK_PIXBUF (pixbufs->data);
1376
1377       GtkIconSource *icon_source = gtk_icon_source_new ();
1378       gtk_icon_source_set_pixbuf (icon_source, pixbuf);
1379       gtk_icon_set_add_source (icon_set, icon_source);
1380       gtk_icon_source_free (icon_source);
1381     }
1382
1383   return icon_set;
1384 }
1385
1386 /**
1387  * gtk_about_dialog_set_logo:
1388  * @about: a #GtkAboutDialog
1389  * @logo: a #GdkPixbuf, or %NULL
1390  *
1391  * Sets the pixbuf to be displayed as logo in
1392  * the about dialog. If it is %NULL, the default
1393  * window icon set with gtk_window_set_default_icon ()
1394  * will be used.
1395  *
1396  * Since: 2.6
1397  **/
1398 void
1399 gtk_about_dialog_set_logo (GtkAboutDialog *about,
1400                            GdkPixbuf      *logo)
1401 {
1402   GtkAboutDialogPrivate *priv;
1403
1404   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1405
1406   priv = (GtkAboutDialogPrivate *)about->private_data;
1407
1408   g_object_freeze_notify (G_OBJECT (about));
1409
1410   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1411     g_object_notify (G_OBJECT (about), "logo_icon_name");
1412
1413   if (logo != NULL)
1414     gtk_image_set_from_pixbuf (GTK_IMAGE (priv->logo_image), logo);
1415   else
1416     {
1417       GList *pixbufs = gtk_window_get_default_icon_list ();
1418
1419       if (pixbufs != NULL)
1420         {
1421           GtkIconSet *icon_set = icon_set_new_from_pixbufs (pixbufs);
1422
1423           gtk_image_set_from_icon_set (GTK_IMAGE (priv->logo_image),
1424                                        icon_set, GTK_ICON_SIZE_DIALOG);
1425
1426           gtk_icon_set_unref (icon_set);
1427           g_list_free (pixbufs);
1428         }
1429     }
1430
1431   g_object_notify (G_OBJECT (about), "logo");
1432
1433   g_object_thaw_notify (G_OBJECT (about));
1434 }
1435
1436 /**
1437  * gtk_about_dialog_get_logo_icon_name:
1438  * @about: a #GtkAboutDialog
1439  *
1440  * Returns the icon name displayed as logo in the about dialog.
1441  *
1442  * Return value: the icon name displayed as logo. The string is
1443  *   owned by the dialog. If you want to keep a reference
1444  *   to it, you have to call g_strdup() on it.
1445  *
1446  * Since: 2.6
1447  **/
1448 G_CONST_RETURN gchar *
1449 gtk_about_dialog_get_logo_icon_name (GtkAboutDialog *about)
1450 {
1451   GtkAboutDialogPrivate *priv;
1452   const gchar *icon_name = NULL;
1453
1454   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1455
1456   priv = (GtkAboutDialogPrivate *)about->private_data;
1457
1458   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1459     gtk_image_get_icon_name (GTK_IMAGE (priv->logo_image), &icon_name, NULL);
1460
1461   return icon_name;
1462 }
1463
1464 /**
1465  * gtk_about_dialog_set_logo_icon_name:
1466  * @about: a #GtkAboutDialog
1467  * @icon_name: an icon name, or %NULL
1468  *
1469  * Sets the pixbuf to be displayed as logo in
1470  * the about dialog. If it is %NULL, the default
1471  * window icon set with gtk_window_set_default_icon()
1472  * will be used.
1473  *
1474  * Since: 2.6
1475  **/
1476 void
1477 gtk_about_dialog_set_logo_icon_name (GtkAboutDialog *about,
1478                                      const gchar    *icon_name)
1479 {
1480   GtkAboutDialogPrivate *priv;
1481
1482   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1483
1484   priv = (GtkAboutDialogPrivate *)about->private_data;
1485
1486   g_object_freeze_notify (G_OBJECT (about));
1487
1488   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1489     g_object_notify (G_OBJECT (about), "logo");
1490
1491   gtk_image_set_from_icon_name (GTK_IMAGE (priv->logo_image), icon_name,
1492                                 GTK_ICON_SIZE_DIALOG);
1493   g_object_notify (G_OBJECT (about), "logo_icon_name");
1494
1495   g_object_thaw_notify (G_OBJECT (about));
1496 }
1497
1498 static void
1499 activate_url (GtkWidget *widget,
1500               gpointer   data)
1501 {
1502   GtkAboutDialog *about = GTK_ABOUT_DIALOG (data);
1503   gchar *url = g_object_get_data (G_OBJECT (widget), "url");
1504
1505   if (activate_url_hook != NULL)
1506     (* activate_url_hook) (about, url, activate_url_hook_data);
1507 }
1508
1509 static void
1510 set_link_button_text (GtkWidget *about,
1511                       GtkWidget *button,
1512                       gchar     *text)
1513 {
1514   GtkWidget *label;
1515   gchar *link;
1516   GdkColor *style_link_color;
1517   GdkColor link_color = { 0, 0, 0, 0xffff };
1518
1519   gtk_widget_ensure_style (about);
1520   gtk_widget_style_get (about, "link_color", &style_link_color, NULL);
1521   if (style_link_color)
1522     {
1523       link_color = *style_link_color;
1524       gdk_color_free (style_link_color);
1525     }
1526
1527   link = g_markup_printf_escaped ("<span foreground=\"#%04x%04x%04x\" underline=\"single\">%s</span>",
1528                                   link_color.red, link_color.green, link_color.blue, text);
1529
1530   label = gtk_bin_get_child (GTK_BIN (button));
1531   gtk_label_set_markup (GTK_LABEL (label), link);
1532   g_free (link);
1533 }
1534
1535 static GtkWidget *
1536 create_link_button (GtkWidget *about,
1537                     gchar     *text,
1538                     gchar     *url,
1539                     GCallback  callback,
1540                     gpointer   data)
1541 {
1542   GtkWidget *button;
1543
1544   button = gtk_button_new_with_label ("");
1545   GTK_WIDGET_UNSET_FLAGS (button, GTK_RECEIVES_DEFAULT);
1546   gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
1547
1548   g_object_set_data_full (G_OBJECT (button), "url", g_strdup (url), g_free);
1549   set_link_button_text (about, button, text);
1550
1551   g_signal_connect (button, "clicked", callback, data);
1552
1553   return button;
1554 }
1555
1556 static void
1557 follow_if_link (GtkAboutDialog *about,
1558                 GtkTextIter    *iter)
1559 {
1560   GSList *tags = NULL, *tagp = NULL;
1561
1562   tags = gtk_text_iter_get_tags (iter);
1563   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
1564     {
1565       GtkTextTag *tag = tagp->data;
1566       gchar *email = g_object_get_data (G_OBJECT (tag), "email");
1567       gchar *url = g_object_get_data (G_OBJECT (tag), "url");
1568
1569       if (email != NULL && activate_email_hook != NULL)
1570         {
1571           (* activate_email_hook) (about, email, activate_email_hook_data);
1572           break;
1573         }
1574
1575       if (url != NULL && activate_url_hook != NULL)
1576         {
1577           (* activate_url_hook) (about, url, activate_url_hook_data);
1578           break;
1579         }
1580     }
1581
1582   if (tags)
1583     g_slist_free (tags);
1584 }
1585
1586 static gboolean
1587 credits_key_press_event (GtkWidget      *text_view,
1588                          GdkEventKey    *event,
1589                          GtkAboutDialog *about)
1590 {
1591   GtkTextIter iter;
1592   GtkTextBuffer *buffer;
1593
1594   switch (event->keyval)
1595     {
1596       case GDK_Return:
1597       case GDK_KP_Enter:
1598         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1599         gtk_text_buffer_get_iter_at_mark (buffer, &iter,
1600                                           gtk_text_buffer_get_insert (buffer));
1601         follow_if_link (about, &iter);
1602         break;
1603
1604       default:
1605         break;
1606     }
1607
1608   return FALSE;
1609 }
1610
1611 static gboolean
1612 credits_event_after (GtkWidget      *text_view,
1613                      GdkEvent       *event,
1614                      GtkAboutDialog *about)
1615 {
1616   GtkTextIter start, end, iter;
1617   GtkTextBuffer *buffer;
1618   GdkEventButton *button_event;
1619   gint x, y;
1620
1621   if (event->type != GDK_BUTTON_RELEASE)
1622     return FALSE;
1623
1624   button_event = (GdkEventButton *)event;
1625
1626   if (button_event->button != 1)
1627     return FALSE;
1628
1629   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1630
1631   /* we shouldn't follow a link if the user has selected something */
1632   gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
1633   if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end))
1634     return FALSE;
1635
1636   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1637                                          GTK_TEXT_WINDOW_WIDGET,
1638                                          button_event->x, button_event->y, &x, &y);
1639
1640   gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (text_view), &iter, x, y);
1641
1642   follow_if_link (about, &iter);
1643
1644   return FALSE;
1645 }
1646
1647 static void
1648 set_cursor_if_appropriate (GtkAboutDialog *about,
1649                            GtkTextView    *text_view,
1650                            gint            x,
1651                            gint            y)
1652 {
1653   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1654   GSList *tags = NULL, *tagp = NULL;
1655   GtkTextBuffer *buffer;
1656   GtkTextIter iter;
1657   gboolean hovering_over_link = FALSE;
1658
1659   buffer = gtk_text_view_get_buffer (text_view);
1660
1661   gtk_text_view_get_iter_at_location (text_view, &iter, x, y);
1662
1663   tags = gtk_text_iter_get_tags (&iter);
1664   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
1665     {
1666       GtkTextTag *tag = tagp->data;
1667       gchar *email = g_object_get_data (G_OBJECT (tag), "email");
1668       gchar *url = g_object_get_data (G_OBJECT (tag), "url");
1669
1670       if (email != NULL || url != NULL)
1671         {
1672           hovering_over_link = TRUE;
1673           break;
1674         }
1675     }
1676
1677   if (hovering_over_link != priv->hovering_over_link)
1678     {
1679       priv->hovering_over_link = hovering_over_link;
1680
1681       if (hovering_over_link)
1682         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->hand_cursor);
1683       else
1684         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->regular_cursor);
1685     }
1686
1687   if (tags)
1688     g_slist_free (tags);
1689 }
1690
1691 static gboolean
1692 credits_motion_notify_event (GtkWidget *text_view,
1693                              GdkEventMotion *event,
1694                              GtkAboutDialog *about)
1695 {
1696   gint x, y;
1697
1698   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1699                                          GTK_TEXT_WINDOW_WIDGET,
1700                                          event->x, event->y, &x, &y);
1701
1702   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), x, y);
1703
1704   gdk_window_get_pointer (text_view->window, NULL, NULL, NULL);
1705
1706   return FALSE;
1707 }
1708
1709
1710 static gboolean
1711 credits_visibility_notify_event (GtkWidget          *text_view,
1712                                  GdkEventVisibility *event,
1713                                  GtkAboutDialog     *about)
1714 {
1715   gint wx, wy, bx, by;
1716
1717   gdk_window_get_pointer (text_view->window, &wx, &wy, NULL);
1718
1719   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1720                                          GTK_TEXT_WINDOW_WIDGET,
1721                                          wx, wy, &bx, &by);
1722
1723   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), bx, by);
1724
1725   return FALSE;
1726 }
1727
1728 static void
1729 text_view_style_set (GtkWidget *widget, GtkStyle *prev_style, GtkWidget *text_view)
1730 {
1731   gtk_widget_modify_base (text_view, GTK_STATE_NORMAL,
1732                           &widget->style->bg[GTK_STATE_NORMAL]);
1733 }
1734
1735 static void
1736 add_credits_page (GtkAboutDialog *about,
1737                   GtkWidget      *notebook,
1738                   gchar          *title,
1739                   gchar         **people)
1740 {
1741   gchar **p;
1742   gchar *q0, *q1, *q2, *r1, *r2;
1743   GtkWidget *sw, *view;
1744   GtkTextBuffer *buffer;
1745   gboolean linkify_email, linkify_urls;
1746   GdkColor *style_link_color;
1747   GdkColor link_color = { 0, 0, 0, 0xffff };
1748
1749   linkify_email = (activate_email_hook != NULL);
1750   linkify_urls = (activate_url_hook != NULL);
1751
1752   gtk_widget_ensure_style (GTK_WIDGET (about));
1753   gtk_widget_style_get (GTK_WIDGET (about), "link_color", &style_link_color, NULL);
1754   if (style_link_color)
1755     {
1756       link_color = *style_link_color;
1757       gdk_color_free (style_link_color);
1758     }
1759
1760   view = gtk_text_view_new ();
1761   g_signal_connect (about, "style_set",
1762                     G_CALLBACK (text_view_style_set), view);
1763
1764   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
1765   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
1766   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
1767   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
1768   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
1769
1770   g_signal_connect (view, "key-press-event",
1771                     G_CALLBACK (credits_key_press_event), about);
1772   g_signal_connect (view, "event-after",
1773                     G_CALLBACK (credits_event_after), about);
1774   g_signal_connect (view, "motion-notify-event",
1775                     G_CALLBACK (credits_motion_notify_event), about);
1776   g_signal_connect (view, "visibility-notify-event",
1777                     G_CALLBACK (credits_visibility_notify_event), about);
1778
1779   sw = gtk_scrolled_window_new (NULL, NULL);
1780   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
1781                                   GTK_POLICY_AUTOMATIC,
1782                                   GTK_POLICY_AUTOMATIC);
1783   gtk_container_add (GTK_CONTAINER (sw), view);
1784
1785   gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
1786                             sw, gtk_label_new (title));
1787
1788   if (people == NULL)
1789     {
1790       gtk_widget_hide (view);
1791       return;
1792     }
1793   else
1794     gtk_widget_show (view);
1795
1796   for (p = people; *p; p++)
1797     {
1798       q0  = *p;
1799       while (*q0)
1800         {
1801           q1 = linkify_email ? strchr (q0, '<') : NULL;
1802           q2 = q1 ? strchr (q1, '>') : NULL;
1803           r1 = linkify_urls ? strstr (q0, "http://") : NULL;
1804           if (r1)
1805             {
1806               r2 = strpbrk (r1, " \n\t");
1807               if (!r2)
1808                 r2 = strchr (r1, '\0');
1809             }
1810           else
1811             r2 = NULL;
1812
1813           if (r1 && r2 && (!q1 || !q2 || (r1 < q1)))
1814             {
1815               q1 = r1;
1816               q2 = r2;
1817             }
1818
1819           if (q1 && q2)
1820             {
1821               GtkTextIter end;
1822               gchar *link;
1823               gchar *link_type;
1824               GtkTextTag *tag;
1825
1826               gtk_text_buffer_insert_at_cursor (buffer, q0, q1 - q0);
1827               gtk_text_buffer_get_end_iter (buffer, &end);
1828
1829               q0 = q2;
1830
1831               if (*q1 == '<')
1832                 {
1833                   q1++;
1834                   q0++;
1835                   link_type = "email";
1836                 }
1837               else
1838                 link_type = "url";
1839
1840               link = g_strndup (q1, q2 - q1);
1841               tag = gtk_text_buffer_create_tag (buffer, NULL,
1842                                                 "foreground_gdk", &link_color,
1843                                                 "underline", PANGO_UNDERLINE_SINGLE,
1844                                                 NULL);
1845               g_object_set_data_full (G_OBJECT (tag), link_type, g_strdup (link), g_free);
1846               gtk_text_buffer_insert_with_tags (buffer, &end, link, -1, tag, NULL);
1847
1848               g_free (link);
1849             }
1850           else
1851             {
1852               gtk_text_buffer_insert_at_cursor (buffer, q0, -1);
1853               break;
1854             }
1855         }
1856
1857       if (p[1])
1858         gtk_text_buffer_insert_at_cursor (buffer, "\n", 1);
1859     }
1860 }
1861
1862 static void
1863 display_credits_dialog (GtkWidget *button,
1864                         gpointer   data)
1865 {
1866   GtkAboutDialog *about = (GtkAboutDialog *)data;
1867   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1868   GtkWidget *dialog, *notebook;
1869
1870   if (priv->credits_dialog != NULL)
1871     {
1872       gtk_window_present (GTK_WINDOW (priv->credits_dialog));
1873       return;
1874     }
1875
1876   dialog = gtk_dialog_new_with_buttons (_("Credits"),
1877                                         GTK_WINDOW (about),
1878                                         GTK_DIALOG_DESTROY_WITH_PARENT,
1879                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
1880                                         NULL);
1881   gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
1882
1883   priv->credits_dialog = dialog;
1884   gtk_window_set_default_size (GTK_WINDOW (dialog), 360, 260);
1885   gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
1886
1887   gtk_window_set_modal (GTK_WINDOW (dialog),
1888                         gtk_window_get_modal (GTK_WINDOW (about)));
1889
1890   g_signal_connect (dialog, "response",
1891                     G_CALLBACK (gtk_widget_destroy), dialog);
1892   g_signal_connect (dialog, "destroy",
1893                     G_CALLBACK (gtk_widget_destroyed),
1894                     &(priv->credits_dialog));
1895
1896   notebook = gtk_notebook_new ();
1897   gtk_container_set_border_width (GTK_CONTAINER (notebook), 8);
1898   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), notebook, TRUE, TRUE, 0);
1899
1900   if (priv->authors != NULL)
1901     add_credits_page (about, notebook, _("Written by"), priv->authors);
1902
1903   if (priv->documenters != NULL)
1904     add_credits_page (about, notebook, _("Documented by"), priv->documenters);
1905
1906   /* Don't show an untranslated gettext msgid */
1907   if (priv->translator_credits != NULL &&
1908       strcmp (priv->translator_credits, "translator_credits") &&
1909       strcmp (priv->translator_credits, "translator-credits"))
1910     {
1911       gchar *translators[2];
1912
1913       translators[0] = priv->translator_credits;
1914       translators[1] = NULL;
1915
1916       add_credits_page (about, notebook, _("Translated by"), translators);
1917     }
1918
1919   if (priv->artists != NULL)
1920     add_credits_page (about, notebook, _("Artwork by"), priv->artists);
1921
1922   gtk_widget_show_all (dialog);
1923 }
1924
1925 static void
1926 display_license_dialog (GtkWidget *button,
1927                         gpointer   data)
1928 {
1929   GtkAboutDialog *about = (GtkAboutDialog *)data;
1930   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1931   GtkWidget *dialog, *view, *sw;
1932
1933   if (priv->license_dialog != NULL)
1934     {
1935       gtk_window_present (GTK_WINDOW (priv->license_dialog));
1936       return;
1937     }
1938
1939   dialog = gtk_dialog_new_with_buttons (_("License"),
1940                                         GTK_WINDOW (about),
1941                                         GTK_DIALOG_DESTROY_WITH_PARENT,
1942                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
1943                                         NULL);
1944   gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
1945   priv->license_dialog = dialog;
1946   gtk_window_set_default_size (GTK_WINDOW (dialog), 420, 320);
1947   gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
1948
1949   gtk_window_set_modal (GTK_WINDOW (dialog),
1950                         gtk_window_get_modal (GTK_WINDOW (about)));
1951
1952   g_signal_connect (dialog, "response",
1953                     G_CALLBACK (gtk_widget_destroy), dialog);
1954   g_signal_connect (dialog, "destroy",
1955                     G_CALLBACK (gtk_widget_destroyed),
1956                     &(priv->license_dialog));
1957
1958   sw = gtk_scrolled_window_new (NULL, NULL);
1959   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
1960                                        GTK_SHADOW_IN);
1961   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
1962                                   GTK_POLICY_AUTOMATIC,
1963                                   GTK_POLICY_AUTOMATIC);
1964   gtk_container_set_border_width (GTK_CONTAINER (sw), 8);
1965   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), sw, TRUE, TRUE, 0);
1966
1967   view = gtk_text_view_new ();
1968   gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)),
1969                             priv->license, -1);
1970
1971   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
1972   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
1973   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
1974   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
1975
1976   gtk_container_add (GTK_CONTAINER (sw), view);
1977
1978   gtk_widget_show_all (dialog);
1979 }
1980
1981 static void
1982 close_cb (GtkAboutDialog *about)
1983 {
1984   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1985
1986   if (priv->license_dialog != NULL)
1987     {
1988       gtk_widget_destroy (priv->license_dialog);
1989       priv->license_dialog = NULL;
1990     }
1991
1992   if (priv->credits_dialog != NULL)
1993     {
1994       gtk_widget_destroy (priv->credits_dialog);
1995       priv->credits_dialog = NULL;
1996     }
1997
1998   gtk_widget_hide (GTK_WIDGET (about));
1999
2000 }
2001
2002 /**
2003  * gtk_about_dialog_new:
2004  *
2005  * Creates a new #GtkAboutDialog.
2006  *
2007  * Returns: a newly created #GtkAboutDialog
2008  *
2009  * Since: 2.6
2010  */
2011 GtkWidget *
2012 gtk_about_dialog_new (void)
2013 {
2014   GtkAboutDialog *dialog = g_object_new (GTK_TYPE_ABOUT_DIALOG, NULL);
2015
2016   /* force defaults */
2017   gtk_about_dialog_set_name (dialog, NULL);
2018   gtk_about_dialog_set_logo (dialog, NULL);
2019
2020   /* Close dialog on user response */
2021   g_signal_connect (dialog,
2022                     "response",
2023                     G_CALLBACK (close_cb),
2024                     NULL);
2025
2026   return GTK_WIDGET (dialog);
2027 }
2028
2029 /**
2030  * gtk_about_dialog_set_email_hook:
2031  * @func: a function to call when an email link is activated.
2032  * @data: data to pass to @func
2033  * @destroy: #GDestroyNotify for @data
2034  *
2035  * Installs a global function to be called whenever the user activates an
2036  * email link in an about dialog.
2037  *
2038  * Return value: the previous email hook.
2039  *
2040  * Since: 2.6
2041  */
2042 GtkAboutDialogActivateLinkFunc
2043 gtk_about_dialog_set_email_hook (GtkAboutDialogActivateLinkFunc func,
2044                                  gpointer                       data,
2045                                  GDestroyNotify                 destroy)
2046 {
2047   GtkAboutDialogActivateLinkFunc old;
2048
2049   if (activate_email_hook_destroy != NULL)
2050     (* activate_email_hook_destroy) (activate_email_hook_data);
2051
2052   old = activate_email_hook;
2053
2054   activate_email_hook = func;
2055   activate_email_hook_data = data;
2056   activate_email_hook_destroy = destroy;
2057
2058   return old;
2059 }
2060
2061 /**
2062  * gtk_about_dialog_set_url_hook:
2063  * @func: a function to call when a URL link is activated.
2064  * @data: data to pass to @func
2065  * @destroy: #GDestroyNotify for @data
2066  *
2067  * Installs a global function to be called whenever the user activates a
2068  * URL link in an about dialog.
2069  *
2070  * Return value: the previous URL hook.
2071  *
2072  * Since: 2.6
2073  */
2074 GtkAboutDialogActivateLinkFunc
2075 gtk_about_dialog_set_url_hook (GtkAboutDialogActivateLinkFunc func,
2076                                gpointer                       data,
2077                                GDestroyNotify                 destroy)
2078 {
2079   GtkAboutDialogActivateLinkFunc old;
2080
2081   if (activate_url_hook_destroy != NULL)
2082     (* activate_url_hook_destroy) (activate_url_hook_data);
2083
2084   old = activate_url_hook;
2085
2086   activate_url_hook = func;
2087   activate_url_hook_data = data;
2088   activate_url_hook_destroy = destroy;
2089
2090   return old;
2091 }
2092
2093 /**
2094  * gtk_show_about_dialog:
2095  * @parent: transient parent, or %NULL for none
2096  * @first_property_name: the name of the first property
2097  * @Varargs: value of first property, followed by more properties, %NULL-terminated
2098  *
2099  * This is a convenience function for showing an application's about box.
2100  * The constructed dialog is associated with the parent window and
2101  * reused for future invocations of this function.
2102  *
2103  * Since: 2.6
2104  */
2105 void
2106 gtk_show_about_dialog (GtkWindow   *parent,
2107                        const gchar *first_property_name,
2108                        ...)
2109 {
2110   static GtkWidget *global_about_dialog = NULL;
2111   GtkWidget *dialog = NULL;
2112   va_list var_args;
2113
2114   if (parent)
2115     dialog = g_object_get_data (G_OBJECT (parent), "gtk-about-dialog");
2116   else
2117     dialog = global_about_dialog;
2118
2119   if (!dialog)
2120     {
2121       dialog = gtk_about_dialog_new ();
2122
2123       g_object_ref (dialog);
2124       gtk_object_sink (GTK_OBJECT (dialog));
2125
2126       g_signal_connect (dialog, "delete_event", G_CALLBACK (gtk_widget_hide_on_delete), NULL);
2127
2128       va_start (var_args, first_property_name);
2129       g_object_set_valist (G_OBJECT (dialog), first_property_name, var_args);
2130       va_end (var_args);
2131
2132       if (parent)
2133         {
2134           gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);
2135           gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
2136           g_object_set_data_full (G_OBJECT (parent), "gtk-about-dialog",
2137                                   dialog, g_object_unref);
2138         }
2139       else
2140         global_about_dialog = dialog;
2141
2142     }
2143
2144   gtk_window_present (GTK_WINDOW (dialog));
2145 }