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. Note that the text is not wrapped
 254    * in the text view, thus it must contain the intended linebreaks.
 255    *
 256    * Since: 2.6
 257    */
 258   g_object_class_install_property (object_class,
 259                                    PROP_LICENSE,
 260                                    g_param_spec_string ("license",
 261                                                         _("License"),
 262                                                         _("The license of the program"),
 263                                                         NULL,
 264                                                         G_PARAM_READWRITE));
 265
 266   /**
 267    * GtkAboutDialog:website:
 268    *
 269    * The URL for the link to the website of the program.
 270    * This should be a string starting with "http://.
 271    *
 272    * Since: 2.6
 273    */
 274   g_object_class_install_property (object_class,
 275                                    PROP_WEBSITE,
 276                                    g_param_spec_string ("website",
 277                                                         P_("Website URL"),
 278                                                         P_("The URL for the link to the website of the program"),
 279                                                         NULL,
 280                                                         G_PARAM_READWRITE));
 281
 282   /**
 283    * GtkAboutDialog:website-label:
 284    *
 285    * The label for the link to the website of the program. If this is not set,
 286    * it defaults to the URL specified in the
 287    * <link linkend="GtkAboutDialog--website">website</link> property.
 288    *
 289    * Since: 2.6
 290    */
 291   g_object_class_install_property (object_class,
 292                                    PROP_WEBSITE_LABEL,
 293                                    g_param_spec_string ("website_label",
 294                                                         P_("Website label"),
 295                                                         P_("The label for the link to the website of the program. If this is not set, it defaults to the URL"),
 296                                                         NULL,
 297                                                         G_PARAM_READWRITE));
 298
 299   /**
 300    * GtkAboutDialog:authors:
 301    *
 302    * The authors of the program, as a %NULL-terminated array of strings.
 303    * Each string may contain email addresses and URLs, which will be displayed
 304    * as links, see the introduction for more details.
 305    *
 306    * Since: 2.6
 307    */
 308   g_object_class_install_property (object_class,
 309                                    PROP_AUTHORS,
 310                                    g_param_spec_boxed ("authors",
 311                                                        P_("Authors"),
 312                                                        P_("List of authors of the program"),
 313                                                        G_TYPE_STRV,
 314                                                        G_PARAM_READWRITE));
 315
 316   /**
 317    * GtkAboutDialog:documenters:
 318    *
 319    * The people documenting the program, as a %NULL-terminated array of strings.
 320    * Each string may contain email addresses and URLs, which will be displayed
 321    * as links, see the introduction for more details.
 322    *
 323    * Since: 2.6
 324    */
 325   g_object_class_install_property (object_class,
 326                                    PROP_DOCUMENTERS,
 327                                    g_param_spec_boxed ("documenters",
 328                                                        P_("Documenters"),
 329                                                        P_("List of people documenting the program"),
 330                                                        G_TYPE_STRV,
 331                                                        G_PARAM_READWRITE));
 332
 333   /**
 334    * GtkAboutDialog:artists:
 335    *
 336    * The people who contributed artwork to the program, as a %NULL-terminated array of strings.
 337    * Each string may contain email addresses and URLs, which will be displayed
 338    * as links, see the introduction for more details.
 339    *
 340    * Since: 2.6
 341    */
 342   g_object_class_install_property (object_class,
 343                                    PROP_ARTISTS,
 344                                    g_param_spec_boxed ("artists",
 345                                                        P_("Artists"),
 346                                                        P_("List of people who have contributed artwork to the program"),
 347                                                        G_TYPE_STRV,
 348                                                        G_PARAM_READWRITE));
 349
 350
 351   /**
 352    * GtkAboutDialog:translator-credits:
 353    *
 354    * Credits to the translators. This string should be marked as translatable.
 355    * The string may contain email addresses and URLs, which will be displayed
 356    * as links, see the introduction for more details.
 357    *
 358    * Since: 2.6
 359    */
 360   g_object_class_install_property (object_class,
 361                                    PROP_TRANSLATOR_CREDITS,
 362                                    g_param_spec_string ("translator_credits",
 363                                                         P_("Translator credits"),
 364                                                         P_("Credits to the translators. This string should be marked as translatable"),
 365                                                         NULL,
 366                                                         G_PARAM_READWRITE));
 367
 368   /**
 369    * GtkAboutDialog:logo:
 370    *
 371    * A logo for the about box. If this is not set, it defaults to
 372    * gtk_window_get_default_icon_list().
 373    *
 374    * Since: 2.6
 375    */
 376   g_object_class_install_property (object_class,
 377                                    PROP_LOGO,
 378                                    g_param_spec_object ("logo",
 379                                                         P_("Logo"),
 380                                                         P_("A logo for the about box. If this is not set, it defaults to gtk_window_get_default_icon_list()"),
 381                                                         GDK_TYPE_PIXBUF,
 382                                                         G_PARAM_READWRITE));
 383
 384   /**
 385    * GtkAboutDialog:logo-icon-name:
 386    *
 387    * A named icon to use as the logo for the about box. This property
 388    * overrides the <link linkend="GtkAboutDialog--logo">logo</link> property.
 389    *
 390    * Since: 2.6
 391    */
 392   g_object_class_install_property (object_class,
 393                                    PROP_LOGO_ICON_NAME,
 394                                    g_param_spec_string ("logo_icon_name",
 395                                                         P_("Logo Icon Name"),
 396                                                         P_("A named icon to use as the logo for the about box."),
 397                                                         NULL,
 398                                                         G_PARAM_READWRITE));
 399
 400   /* Style properties */
 401   gtk_widget_class_install_style_property (widget_class,
 402                                            g_param_spec_boxed ("link_color",
 403                                                                P_("Link Color"),
 404                                                                P_("Color of hyperlinks"),
 405                                                                GDK_TYPE_COLOR,
 406                                                                G_PARAM_READABLE));
 407
 408   g_type_class_add_private (object_class, sizeof (GtkAboutDialogPrivate));
 409 }
 410
 411 static void
 412 gtk_about_dialog_init (GtkAboutDialog *about)
 413 {
 414   GtkAboutDialogPrivate *priv;
 415   GtkWidget *vbox, *hbox, *button;
 416
 417   /* Data */
 418   priv = GTK_ABOUT_DIALOG_GET_PRIVATE (about);
 419   about->private_data = priv;
 420
 421   priv->name = NULL;
 422   priv->version = NULL;
 423   priv->copyright = NULL;
 424   priv->comments = NULL;
 425   priv->website = NULL;
 426   priv->website_label = NULL;
 427   priv->translator_credits = NULL;
 428   priv->license = NULL;
 429   priv->authors = NULL;
 430   priv->documenters = NULL;
 431   priv->artists = NULL;
 432
 433   priv->hand_cursor = gdk_cursor_new (GDK_HAND2);
 434   priv->regular_cursor = gdk_cursor_new (GDK_XTERM);
 435   priv->hovering_over_link = FALSE;
 436
 437   gtk_dialog_set_has_separator (GTK_DIALOG (about), FALSE);
 438
 439   /* Widgets */
 440   gtk_widget_push_composite_child ();
 441   vbox = gtk_vbox_new (FALSE, 8);
 442   gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
 443
 444   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (about)->vbox), vbox, TRUE, TRUE, 0);
 445
 446   priv->logo_image = gtk_image_new ();
 447   gtk_box_pack_start (GTK_BOX (vbox), priv->logo_image, FALSE, FALSE, 0);
 448
 449   priv->name_label = gtk_label_new (NULL);
 450   gtk_label_set_selectable (GTK_LABEL (priv->name_label), TRUE);
 451   gtk_label_set_justify (GTK_LABEL (priv->name_label), GTK_JUSTIFY_CENTER);
 452   gtk_box_pack_start (GTK_BOX (vbox), priv->name_label, FALSE, FALSE, 0);
 453
 454   priv->comments_label = gtk_label_new (NULL);
 455   gtk_label_set_selectable (GTK_LABEL (priv->comments_label), TRUE);
 456   gtk_label_set_justify (GTK_LABEL (priv->comments_label), GTK_JUSTIFY_CENTER);
 457   gtk_label_set_line_wrap (GTK_LABEL (priv->comments_label), TRUE);
 458   gtk_box_pack_start (GTK_BOX (vbox), priv->comments_label, FALSE, FALSE, 0);
 459
 460   priv->copyright_label = gtk_label_new (NULL);
 461   gtk_label_set_selectable (GTK_LABEL (priv->copyright_label), TRUE);
 462   gtk_label_set_justify (GTK_LABEL (priv->copyright_label), GTK_JUSTIFY_CENTER);
 463   gtk_box_pack_start (GTK_BOX (vbox), priv->copyright_label, FALSE, FALSE, 0);
 464
 465   button = create_link_button (GTK_WIDGET (about), "", "",
 466                                G_CALLBACK (activate_url), about);
 467
 468   hbox = gtk_hbox_new (TRUE, 0);
 469   gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
 470   gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 0);
 471   priv->website_button = button;
 472
 473   gtk_widget_show (vbox);
 474   gtk_widget_show (priv->logo_image);
 475   gtk_widget_show (priv->name_label);
 476   gtk_widget_show (hbox);
 477
 478   /* Add the OK button */
 479   gtk_dialog_add_button (GTK_DIALOG (about), GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
 480   gtk_dialog_set_default_response (GTK_DIALOG (about), GTK_RESPONSE_CLOSE);
 481
 482   /* Add the credits button */
 483   button = gtk_button_new_from_stock (_("C_redits"));
 484   gtk_box_pack_end (GTK_BOX (GTK_DIALOG (about)->action_area),
 485                     button, FALSE, TRUE, 0);
 486   gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (about)->action_area), button, TRUE);
 487   g_signal_connect (button, "clicked", G_CALLBACK (display_credits_dialog), about);
 488   priv->credits_button = button;
 489   priv->credits_dialog = NULL;
 490
 491   /* Add the license button */
 492   button = gtk_button_new_from_stock (_("_License"));
 493   gtk_box_pack_end (GTK_BOX (GTK_DIALOG (about)->action_area),
 494                     button, FALSE, TRUE, 0);
 495   gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (about)->action_area), button, TRUE);
 496   g_signal_connect (button, "clicked", G_CALLBACK (display_license_dialog), about);
 497   priv->license_button = button;
 498   priv->license_dialog = NULL;
 499
 500   gtk_window_set_resizable (GTK_WINDOW (about), FALSE);
 501
 502   gtk_widget_pop_composite_child ();
 503 }
 504
 505 static void
 506 gtk_about_dialog_finalize (GObject *object)
 507 {
 508   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 509   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
 510
 511   g_free (priv->name);
 512   g_free (priv->version);
 513   g_free (priv->copyright);
 514   g_free (priv->comments);
 515   g_free (priv->license);
 516   g_free (priv->website);
 517   g_free (priv->website_label);
 518   g_free (priv->translator_credits);
 519
 520   g_strfreev (priv->authors);
 521   g_strfreev (priv->documenters);
 522   g_strfreev (priv->artists);
 523
 524   gdk_cursor_unref (priv->hand_cursor);
 525   gdk_cursor_unref (priv->regular_cursor);
 526
 527   G_OBJECT_CLASS (gtk_about_dialog_parent_class)->finalize (object);
 528 }
 529
 530 static void
 531 gtk_about_dialog_set_property (GObject      *object,
 532                                guint         prop_id,
 533                                const GValue *value,
 534                                GParamSpec   *pspec)
 535 {
 536   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 537
 538   switch (prop_id)
 539     {
 540     case PROP_NAME:
 541       gtk_about_dialog_set_name (about, g_value_get_string (value));
 542       break;
 543     case PROP_VERSION:
 544       gtk_about_dialog_set_version (about, g_value_get_string (value));
 545       break;
 546     case PROP_COMMENTS:
 547       gtk_about_dialog_set_comments (about, g_value_get_string (value));
 548       break;
 549     case PROP_WEBSITE:
 550       gtk_about_dialog_set_website (about, g_value_get_string (value));
 551       break;
 552     case PROP_WEBSITE_LABEL:
 553       gtk_about_dialog_set_website_label (about, g_value_get_string (value));
 554       break;
 555     case PROP_LICENSE:
 556       gtk_about_dialog_set_license (about, g_value_get_string (value));
 557       break;
 558     case PROP_COPYRIGHT:
 559       gtk_about_dialog_set_copyright (about, g_value_get_string (value));
 560       break;
 561     case PROP_LOGO:
 562       gtk_about_dialog_set_logo (about, g_value_get_object (value));
 563       break;
 564     case PROP_AUTHORS:
 565       gtk_about_dialog_set_authors (about, (const gchar**)g_value_get_boxed (value));
 566       break;
 567     case PROP_DOCUMENTERS:
 568       gtk_about_dialog_set_documenters (about, (const gchar**)g_value_get_boxed (value));
 569       break;
 570     case PROP_ARTISTS:
 571       gtk_about_dialog_set_artists (about, (const gchar**)g_value_get_boxed (value));
 572       break;
 573     case PROP_TRANSLATOR_CREDITS:
 574       gtk_about_dialog_set_translator_credits (about, g_value_get_string (value));
 575       break;
 576     case PROP_LOGO_ICON_NAME:
 577       gtk_about_dialog_set_logo_icon_name (about, g_value_get_string (value));
 578       break;
 579     default:
 580       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 581       break;
 582     }
 583 }
 584
 585 static void
 586 gtk_about_dialog_get_property (GObject    *object,
 587                                guint       prop_id,
 588                                GValue     *value,
 589                                GParamSpec *pspec)
 590 {
 591   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 592   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
 593
 594   switch (prop_id)
 595     {
 596     case PROP_NAME:
 597       g_value_set_string (value, priv->name);
 598       break;
 599     case PROP_VERSION:
 600       g_value_set_string (value, priv->version);
 601       break;
 602     case PROP_COPYRIGHT:
 603       g_value_set_string (value, priv->copyright);
 604       break;
 605     case PROP_COMMENTS:
 606       g_value_set_string (value, priv->comments);
 607       break;
 608     case PROP_WEBSITE:
 609       g_value_set_string (value, priv->website);
 610       break;
 611     case PROP_WEBSITE_LABEL:
 612       g_value_set_string (value, priv->website_label);
 613       break;
 614     case PROP_LICENSE:
 615       g_value_set_string (value, priv->license);
 616       break;
 617     case PROP_TRANSLATOR_CREDITS:
 618       g_value_set_string (value, priv->translator_credits);
 619       break;
 620     case PROP_AUTHORS:
 621       g_value_set_boxed (value, priv->authors);
 622       break;
 623     case PROP_DOCUMENTERS:
 624       g_value_set_boxed (value, priv->documenters);
 625       break;
 626     case PROP_ARTISTS:
 627       g_value_set_boxed (value, priv->artists);
 628       break;
 629     case PROP_LOGO:
 630       if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
 631         g_value_set_object (value, gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image)));
 632       else
 633         g_value_set_object (value, NULL);
 634       break;
 635     case PROP_LOGO_ICON_NAME:
 636       if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
 637         {
 638           const gchar *icon_name;
 639
 640           gtk_image_get_icon_name (GTK_IMAGE (priv->logo_image), &icon_name, NULL);
 641           g_value_set_string (value, icon_name);
 642         }
 643       else
 644         g_value_set_string (value, NULL);
 645       break;
 646     default:
 647       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 648       break;
 649     }
 650 }
 651
 652 /**
 653  * gtk_about_dialog_get_name:
 654  * @about: a #GtkAboutDialog
 655  *
 656  * Returns the program name displayed in the about dialog.
 657  *
 658  * Return value: The program name. The string is owned by the about
 659  *  dialog and must not be modified.
 660  *
 661  * Since: 2.6
 662  **/
 663 G_CONST_RETURN gchar *
 664 gtk_about_dialog_get_name (GtkAboutDialog *about)
 665 {
 666   GtkAboutDialogPrivate *priv;
 667
 668   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 669
 670   priv = (GtkAboutDialogPrivate *)about->private_data;
 671
 672   return priv->name;
 673 }
 674
 675 static void
 676 update_name_version (GtkAboutDialog *about)
 677 {
 678   GtkAboutDialogPrivate *priv;
 679   gchar *title_string, *name_string;
 680
 681   priv = (GtkAboutDialogPrivate *)about->private_data;
 682
 683   title_string = g_strdup_printf (_("About %s"), priv->name);
 684   gtk_window_set_title (GTK_WINDOW (about), title_string);
 685   g_free (title_string);
 686
 687   if (priv->version != NULL)
 688     name_string = g_markup_printf_escaped ("<span size=\"xx-large\" weight=\"bold\">%s %s</span>",
 689                                              priv->name, priv->version);
 690   else
 691     name_string = g_markup_printf_escaped ("<span size=\"xx-large\" weight=\"bold\">%s</span>",
 692                                            priv->name);
 693
 694   gtk_label_set_markup (GTK_LABEL (priv->name_label), name_string);
 695
 696   g_free (name_string);
 697 }
 698
 699 /**
 700  * gtk_about_dialog_set_name:
 701  * @about: a #GtkAboutDialog
 702  * @name: the program name
 703  *
 704  * Sets the name to display in the about dialog.
 705  * If this is not set, it defaults to g_get_application_name().
 706  *
 707  * Since: 2.6
 708  **/
 709 void
 710 gtk_about_dialog_set_name (GtkAboutDialog *about,
 711                            const gchar    *name)
 712 {
 713   GtkAboutDialogPrivate *priv;
 714   gchar *tmp;
 715
 716   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 717
 718   priv = (GtkAboutDialogPrivate *)about->private_data;
 719   tmp = priv->name;
 720   priv->name = g_strdup (name ? name : g_get_application_name ());
 721   g_free (tmp);
 722
 723   update_name_version (about);
 724
 725   g_object_notify (G_OBJECT (about), "name");
 726 }
 727
 728 /**
 729  * gtk_about_dialog_get_version:
 730  * @about: a #GtkAboutDialog
 731  *
 732  * Returns the version string.
 733  *
 734  * Return value: The version string. The string is owned by the about
 735  *  dialog and must not be modified.
 736  *
 737  * Since: 2.6
 738  **/
 739 G_CONST_RETURN gchar *
 740 gtk_about_dialog_get_version (GtkAboutDialog *about)
 741 {
 742   GtkAboutDialogPrivate *priv;
 743
 744   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 745
 746   priv = (GtkAboutDialogPrivate *)about->private_data;
 747
 748   return priv->version;
 749 }
 750
 751 /**
 752  * gtk_about_dialog_set_version:
 753  * @about: a #GtkAboutDialog
 754  * @version: the version string
 755  *
 756  * Sets the version string to display in the about dialog.
 757  *
 758  * Since: 2.6
 759  **/
 760 void
 761 gtk_about_dialog_set_version (GtkAboutDialog *about,
 762                               const gchar    *version)
 763 {
 764   GtkAboutDialogPrivate *priv;
 765   gchar *tmp;
 766
 767   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 768
 769   priv = (GtkAboutDialogPrivate *)about->private_data;
 770
 771   tmp = priv->version;
 772   priv->version = version ? g_strdup (version) : NULL;
 773   g_free (tmp);
 774
 775   update_name_version (about);
 776
 777   g_object_notify (G_OBJECT (about), "version");
 778 }
 779
 780 /**
 781  * gtk_about_dialog_get_copyright:
 782  * @about: a #GtkAboutDialog
 783  *
 784  * Returns the copyright string.
 785  *
 786  * Return value: The copyright string. The string is owned by the about
 787  *  dialog and must not be modified.
 788  *
 789  * Since: 2.6
 790  **/
 791 G_CONST_RETURN gchar *
 792 gtk_about_dialog_get_copyright (GtkAboutDialog *about)
 793 {
 794   GtkAboutDialogPrivate *priv;
 795
 796   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 797
 798   priv = (GtkAboutDialogPrivate *)about->private_data;
 799
 800   return priv->copyright;
 801 }
 802
 803 /**
 804  * gtk_about_dialog_set_copyright:
 805  * @about: a #GtkAboutDialog
 806  * @copyright: the copyright string
 807  *
 808  * Sets the copyright string to display in the about dialog.
 809  * This should be a short string of one or two lines.
 810  *
 811  * Since: 2.6
 812  **/
 813 void
 814 gtk_about_dialog_set_copyright (GtkAboutDialog *about,
 815                                 const gchar    *copyright)
 816 {
 817   GtkAboutDialogPrivate *priv;
 818   gchar *copyright_string, *tmp;
 819
 820   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 821
 822   priv = (GtkAboutDialogPrivate *)about->private_data;
 823
 824   tmp = priv->copyright;
 825   priv->copyright = copyright ? g_strdup (copyright) : NULL;
 826   g_free (tmp);
 827
 828   if (priv->copyright != NULL)
 829     {
 830       copyright_string = g_markup_printf_escaped ("<span size=\"small\">%s</span>",
 831                                                   priv->copyright);
 832       gtk_label_set_markup (GTK_LABEL (priv->copyright_label), copyright_string);
 833       g_free (copyright_string);
 834
 835       gtk_widget_show (priv->copyright_label);
 836     }
 837   else
 838     gtk_widget_hide (priv->copyright_label);
 839
 840   g_object_notify (G_OBJECT (about), "copyright");
 841 }
 842
 843 /**
 844  * gtk_about_dialog_get_comments:
 845  * @about: a #GtkAboutDialog
 846  *
 847  * Returns the comments string.
 848  *
 849  * Return value: The comments. The string is owned by the about
 850  *  dialog and must not be modified.
 851  *
 852  * Since: 2.6
 853  **/
 854 G_CONST_RETURN gchar *
 855 gtk_about_dialog_get_comments (GtkAboutDialog *about)
 856 {
 857   GtkAboutDialogPrivate *priv;
 858
 859   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 860
 861   priv = (GtkAboutDialogPrivate *)about->private_data;
 862
 863   return priv->comments;
 864 }
 865
 866 /**
 867  * gtk_about_dialog_set_comments:
 868  * @about: a #GtkAboutDialog
 869  * @comments: a comments string
 870  *
 871  * Sets the comments string to display in the about
 872  * dialog. This should be a short string of one or
 873  * two lines.
 874  *
 875  * Since: 2.6
 876  **/
 877 void
 878 gtk_about_dialog_set_comments (GtkAboutDialog *about,
 879                                const gchar    *comments)
 880 {
 881   GtkAboutDialogPrivate *priv;
 882   gchar *tmp;
 883
 884   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 885
 886   priv = (GtkAboutDialogPrivate *)about->private_data;
 887
 888   tmp = priv->comments;
 889   if (comments)
 890     {
 891       priv->comments = g_strdup (comments);
 892       gtk_label_set_text (GTK_LABEL (priv->comments_label), priv->comments);
 893       gtk_widget_show (priv->comments_label);
 894     }
 895   else
 896     {
 897       priv->comments = NULL;
 898       gtk_widget_hide (priv->comments_label);
 899     }
 900   g_free (tmp);
 901
 902   g_object_notify (G_OBJECT (about), "comments");
 903 }
 904
 905 /**
 906  * gtk_about_dialog_get_license:
 907  * @about: a #GtkAboutDialog
 908  *
 909  * Returns the license information.
 910  *
 911  * Return value: The license information. The string is owned by the about
 912  *  dialog and must not be modified.
 913  *
 914  * Since: 2.6
 915  **/
 916 G_CONST_RETURN gchar *
 917 gtk_about_dialog_get_license (GtkAboutDialog *about)
 918 {
 919   GtkAboutDialogPrivate *priv;
 920
 921   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 922
 923   priv = (GtkAboutDialogPrivate *)about->private_data;
 924
 925   return priv->license;
 926 }
 927
 928 /**
 929  * gtk_about_dialog_set_license:
 930  * @about: a #GtkAboutDialog
 931  * @license: the license information or %NULL
 932  *
 933  * Sets the license information to be displayed in the secondary
 934  * license dialog. If @license is %NULL, the license button is
 935  * hidden.
 936  *
 937  * Since: 2.6
 938  **/
 939 void
 940 gtk_about_dialog_set_license (GtkAboutDialog *about,
 941                               const gchar    *license)
 942 {
 943   GtkAboutDialogPrivate *priv;
 944   gchar *tmp;
 945
 946   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 947
 948   priv = (GtkAboutDialogPrivate *)about->private_data;
 949
 950   tmp = priv->license;
 951   if (license)
 952     {
 953       priv->license = g_strdup (license);
 954       gtk_widget_show (priv->license_button);
 955     }
 956   else
 957     {
 958       priv->license = NULL;
 959       gtk_widget_hide (priv->license_button);
 960     }
 961   g_free (tmp);
 962
 963   g_object_notify (G_OBJECT (about), "license");
 964 }
 965
 966 /**
 967  * gtk_about_dialog_get_website:
 968  * @about: a #GtkAboutDialog
 969  *
 970  * Returns the website URL.
 971  *
 972  * Return value: The website URL. The string is owned by the about
 973  *  dialog and must not be modified.
 974  *
 975  * Since: 2.6
 976  **/
 977 G_CONST_RETURN gchar *
 978 gtk_about_dialog_get_website (GtkAboutDialog *about)
 979 {
 980   GtkAboutDialogPrivate *priv;
 981
 982   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 983
 984   priv = (GtkAboutDialogPrivate *)about->private_data;
 985
 986   return priv->website;
 987 }
 988
 989 /**
 990  * gtk_about_dialog_set_website:
 991  * @about: a #GtkAboutDialog
 992  * @website: a URL string starting with "http://"
 993  *
 994  * Sets the URL to use for the website link.
 995  *
 996  * Since: 2.6
 997  **/
 998 void
 999 gtk_about_dialog_set_website (GtkAboutDialog *about,
1000                               const gchar    *website)
1001 {
1002   GtkAboutDialogPrivate *priv;
1003   gchar *tmp;
1004
1005   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1006
1007   priv = (GtkAboutDialogPrivate *)about->private_data;
1008
1009   tmp = priv->website;
1010   if (website != NULL)
1011     {
1012       priv->website = g_strdup (website);
1013       if (activate_url_hook != NULL)
1014         {
1015           g_object_set_data_full (G_OBJECT (priv->website_button),
1016                                   "url", g_strdup (website), g_free);
1017           if (priv->website_label == NULL)
1018             gtk_about_dialog_set_website_label (about, website);
1019         }
1020       else
1021         {
1022           GtkWidget *hbox = priv->website_button->parent;
1023           gtk_widget_destroy (priv->website_button);
1024           priv->website_button = gtk_label_new (website);
1025           gtk_label_set_selectable (GTK_LABEL (priv->website_button), TRUE);
1026           gtk_container_add (GTK_CONTAINER (hbox), priv->website_button);
1027           gtk_widget_show (priv->website_button);
1028         }
1029     }
1030   else
1031     {
1032       priv->website = NULL;
1033       g_object_set_data (G_OBJECT (priv->website_button), "url", NULL);
1034       gtk_widget_hide (priv->website_button);
1035     }
1036   g_free (tmp);
1037
1038   g_object_notify (G_OBJECT (about), "website");
1039 }
1040
1041 /**
1042  * gtk_about_dialog_get_website_label:
1043  * @about: a #GtkAboutDialog
1044  *
1045  * Returns the label used for the website link.
1046  *
1047  * Return value: The label used for the website link. The string is owned by the about
1048  *  dialog and must not be modified.
1049  *
1050  * Since: 2.6
1051  **/
1052 G_CONST_RETURN gchar *
1053 gtk_about_dialog_get_website_label (GtkAboutDialog *about)
1054 {
1055   GtkAboutDialogPrivate *priv;
1056
1057   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1058
1059   priv = (GtkAboutDialogPrivate *)about->private_data;
1060
1061   return priv->website_label;
1062 }
1063
1064 /**
1065  * gtk_about_dialog_set_website_label:
1066  * @about: a #GtkAboutDialog
1067  * @website_label: the label used for the website link
1068  *
1069  * Sets the label to be used for the website link.
1070  * It defaults to the website URL.
1071  *
1072  * Since: 2.6
1073  **/
1074 void
1075 gtk_about_dialog_set_website_label (GtkAboutDialog *about,
1076                                     const gchar    *website_label)
1077 {
1078   GtkAboutDialogPrivate *priv;
1079   gchar *tmp;
1080
1081   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1082
1083   priv = (GtkAboutDialogPrivate *)about->private_data;
1084
1085   tmp = priv->website_label;
1086   if (activate_url_hook != NULL)
1087     {
1088       if (website_label != NULL)
1089         {
1090           priv->website_label = g_strdup (website_label);
1091           set_link_button_text (GTK_WIDGET (about),
1092                                 priv->website_button,
1093                                 priv->website_label);
1094           gtk_widget_show (priv->website_button);
1095         }
1096       else
1097         {
1098           priv->website_label = NULL;
1099           gtk_widget_hide (priv->website_button);
1100         }
1101     }
1102   g_free (tmp);
1103
1104   g_object_notify (G_OBJECT (about), "website_label");
1105 }
1106
1107 /**
1108  * gtk_about_dialog_get_authors:
1109  * @about: a #GtkAboutDialog
1110  *
1111  * Returns the string which are displayed in the authors tab
1112  * of the secondary credits dialog.
1113  *
1114  * Return value: A %NULL-terminated string array containing
1115  *  the authors. The array is owned by the about dialog
1116  *  and must not be modified.
1117  *
1118  * Since: 2.6
1119  **/
1120 G_CONST_RETURN gchar * G_CONST_RETURN *
1121 gtk_about_dialog_get_authors (GtkAboutDialog *about)
1122 {
1123   GtkAboutDialogPrivate *priv;
1124
1125   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1126
1127   priv = (GtkAboutDialogPrivate *)about->private_data;
1128
1129   return (const gchar * const *) priv->authors;
1130 }
1131
1132 /**
1133  * gtk_about_dialog_set_authors:
1134  * @about: a #GtkAboutDialog
1135  * @authors: a %NULL-terminated array of strings
1136  *
1137  * Sets the strings which are displayed in the authors tab
1138  * of the secondary credits dialog.
1139  *
1140  * Since: 2.6
1141  **/
1142 void
1143 gtk_about_dialog_set_authors (GtkAboutDialog  *about,
1144                               const gchar    **authors)
1145 {
1146   GtkAboutDialogPrivate *priv;
1147   gchar **tmp;
1148
1149   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1150
1151   priv = (GtkAboutDialogPrivate *)about->private_data;
1152
1153   tmp = priv->authors;
1154   priv->authors = g_strdupv ((gchar **)authors);
1155   g_strfreev (tmp);
1156
1157   if (priv->authors != NULL)
1158     gtk_widget_show (priv->credits_button);
1159
1160   g_object_notify (G_OBJECT (about), "authors");
1161 }
1162
1163 /**
1164  * gtk_about_dialog_get_documenters:
1165  * @about: a #GtkAboutDialog
1166  *
1167  * Returns the string which are displayed in the documenters
1168  * tab of the secondary credits dialog.
1169  *
1170  * Return value: A %NULL-terminated string array containing
1171  *  the documenters. The array is owned by the about dialog
1172  *  and must not be modified.
1173  *
1174  * Since: 2.6
1175  **/
1176 G_CONST_RETURN gchar * G_CONST_RETURN *
1177 gtk_about_dialog_get_documenters (GtkAboutDialog *about)
1178 {
1179   GtkAboutDialogPrivate *priv;
1180
1181   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1182
1183   priv = (GtkAboutDialogPrivate *)about->private_data;
1184
1185   return (const gchar * const *)priv->documenters;
1186 }
1187
1188 /**
1189  * gtk_about_dialog_set_documenters:
1190  * @about: a #GtkAboutDialog
1191  * @documenters: a %NULL-terminated array of strings
1192  *
1193  * Sets the strings which are displayed in the documenters tab
1194  * of the secondary credits dialog.
1195  *
1196  * Since: 2.6
1197  **/
1198 void
1199 gtk_about_dialog_set_documenters (GtkAboutDialog *about,
1200                                   const gchar   **documenters)
1201 {
1202   GtkAboutDialogPrivate *priv;
1203   gchar **tmp;
1204
1205   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1206
1207   priv = (GtkAboutDialogPrivate *)about->private_data;
1208
1209   tmp = priv->documenters;
1210   priv->documenters = g_strdupv ((gchar **)documenters);
1211   g_strfreev (tmp);
1212
1213   if (priv->documenters != NULL)
1214     gtk_widget_show (priv->credits_button);
1215
1216   g_object_notify (G_OBJECT (about), "documenters");
1217 }
1218
1219 /**
1220  * gtk_about_dialog_get_artists:
1221  * @about: a #GtkAboutDialog
1222  *
1223  * Returns the string which are displayed in the artists tab
1224  * of the secondary credits dialog.
1225  *
1226  * Return value: A %NULL-terminated string array containing
1227  *  the artists. The array is owned by the about dialog
1228  *  and must not be modified.
1229  *
1230  * Since: 2.6
1231  **/
1232 G_CONST_RETURN gchar * G_CONST_RETURN *
1233 gtk_about_dialog_get_artists (GtkAboutDialog *about)
1234 {
1235   GtkAboutDialogPrivate *priv;
1236
1237   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1238
1239   priv = (GtkAboutDialogPrivate *)about->private_data;
1240
1241   return (const gchar * const *)priv->artists;
1242 }
1243
1244 /**
1245  * gtk_about_dialog_set_artists:
1246  * @about: a #GtkAboutDialog
1247  * @artists: a %NULL-terminated array of strings
1248  *
1249  * Sets the strings which are displayed in the artists tab
1250  * of the secondary credits dialog.
1251  *
1252  * Since: 2.6
1253  **/
1254 void
1255 gtk_about_dialog_set_artists (GtkAboutDialog *about,
1256                               const gchar   **artists)
1257 {
1258   GtkAboutDialogPrivate *priv;
1259   gchar **tmp;
1260
1261   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1262
1263   priv = (GtkAboutDialogPrivate *)about->private_data;
1264
1265   tmp = priv->artists;
1266   priv->artists = g_strdupv ((gchar **)artists);
1267   g_strfreev (tmp);
1268
1269   if (priv->artists != NULL)
1270     gtk_widget_show (priv->credits_button);
1271
1272   g_object_notify (G_OBJECT (about), "artists");
1273 }
1274
1275 /**
1276  * gtk_about_dialog_get_translator_credits:
1277  * @about: a #GtkAboutDialog
1278  *
1279  * Returns the translator credits string which is displayed
1280  * in the translators tab of the secondary credits dialog.
1281  *
1282  * Return value: The translator credits string. The string is
1283  *   owned by the about dialog and must not be modified.
1284  *
1285  * Since: 2.6
1286  **/
1287 G_CONST_RETURN gchar *
1288 gtk_about_dialog_get_translator_credits (GtkAboutDialog *about)
1289 {
1290   GtkAboutDialogPrivate *priv;
1291
1292   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1293
1294   priv = (GtkAboutDialogPrivate *)about->private_data;
1295
1296   return priv->translator_credits;
1297 }
1298
1299 /**
1300  * gtk_about_dialog_set_translator_credits:
1301  * @about: a #GtkAboutDialog
1302  * @translator_credits: the translator credits
1303  *
1304  * Sets the translator credits string which is displayed in
1305  * the translators tab of the secondary credits dialog.
1306  *
1307  * The intended use for this string is to display the translator
1308  * of the language which is currently used in the user interface.
1309  * Using gettext(), a simple way to achieve that is to mark the
1310  * string for translation:
1311  * <informalexample><programlisting>
1312  *  gtk_about_dialog_set_translator_credits (about, _("translator-credits"));
1313  * </programlisting></informalexample>
1314  * It is a good idea to use the customary msgid "translator-credits" for this
1315  * purpose, since translators will already know the purpose of that msgid, and
1316  * since #GtkAboutDialog will detect if "translator-credits" is untranslated
1317  * and hide the tab.
1318  *
1319  * Since: 2.6
1320  **/
1321 void
1322 gtk_about_dialog_set_translator_credits (GtkAboutDialog *about,
1323                                          const gchar    *translator_credits)
1324 {
1325   GtkAboutDialogPrivate *priv;
1326   gchar *tmp;
1327
1328   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1329
1330   priv = (GtkAboutDialogPrivate *)about->private_data;
1331
1332   tmp = priv->translator_credits;
1333   priv->translator_credits = g_strdup (translator_credits);
1334   g_free (tmp);
1335
1336   if (priv->translator_credits != NULL)
1337     gtk_widget_show (priv->credits_button);
1338
1339   g_object_notify (G_OBJECT (about), "translator-credits");
1340 }
1341
1342 /**
1343  * gtk_about_dialog_get_logo:
1344  * @about: a #GtkAboutDialog
1345  *
1346  * Returns the pixbuf displayed as logo in the about dialog.
1347  *
1348  * Return value: the pixbuf displayed as logo. The pixbuf is
1349  *   owned by the about dialog. If you want to keep a reference
1350  *   to it, you have to call g_object_ref() on it.
1351  *
1352  * Since: 2.6
1353  **/
1354 GdkPixbuf *
1355 gtk_about_dialog_get_logo (GtkAboutDialog *about)
1356 {
1357   GtkAboutDialogPrivate *priv;
1358
1359   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1360
1361   priv = (GtkAboutDialogPrivate *)about->private_data;
1362
1363   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1364     return gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image));
1365   else
1366     return NULL;
1367 }
1368
1369 static GtkIconSet *
1370 icon_set_new_from_pixbufs (GList *pixbufs)
1371 {
1372   GtkIconSet *icon_set = gtk_icon_set_new ();
1373
1374   for (; pixbufs; pixbufs = pixbufs->next)
1375     {
1376       GdkPixbuf *pixbuf = GDK_PIXBUF (pixbufs->data);
1377
1378       GtkIconSource *icon_source = gtk_icon_source_new ();
1379       gtk_icon_source_set_pixbuf (icon_source, pixbuf);
1380       gtk_icon_set_add_source (icon_set, icon_source);
1381       gtk_icon_source_free (icon_source);
1382     }
1383
1384   return icon_set;
1385 }
1386
1387 /**
1388  * gtk_about_dialog_set_logo:
1389  * @about: a #GtkAboutDialog
1390  * @logo: a #GdkPixbuf, or %NULL
1391  *
1392  * Sets the pixbuf to be displayed as logo in
1393  * the about dialog. If it is %NULL, the default
1394  * window icon set with gtk_window_set_default_icon ()
1395  * will be used.
1396  *
1397  * Since: 2.6
1398  **/
1399 void
1400 gtk_about_dialog_set_logo (GtkAboutDialog *about,
1401                            GdkPixbuf      *logo)
1402 {
1403   GtkAboutDialogPrivate *priv;
1404
1405   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1406
1407   priv = (GtkAboutDialogPrivate *)about->private_data;
1408
1409   g_object_freeze_notify (G_OBJECT (about));
1410
1411   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1412     g_object_notify (G_OBJECT (about), "logo_icon_name");
1413
1414   if (logo != NULL)
1415     gtk_image_set_from_pixbuf (GTK_IMAGE (priv->logo_image), logo);
1416   else
1417     {
1418       GList *pixbufs = gtk_window_get_default_icon_list ();
1419
1420       if (pixbufs != NULL)
1421         {
1422           GtkIconSet *icon_set = icon_set_new_from_pixbufs (pixbufs);
1423
1424           gtk_image_set_from_icon_set (GTK_IMAGE (priv->logo_image),
1425                                        icon_set, GTK_ICON_SIZE_DIALOG);
1426
1427           gtk_icon_set_unref (icon_set);
1428           g_list_free (pixbufs);
1429         }
1430     }
1431
1432   g_object_notify (G_OBJECT (about), "logo");
1433
1434   g_object_thaw_notify (G_OBJECT (about));
1435 }
1436
1437 /**
1438  * gtk_about_dialog_get_logo_icon_name:
1439  * @about: a #GtkAboutDialog
1440  *
1441  * Returns the icon name displayed as logo in the about dialog.
1442  *
1443  * Return value: the icon name displayed as logo. The string is
1444  *   owned by the dialog. If you want to keep a reference
1445  *   to it, you have to call g_strdup() on it.
1446  *
1447  * Since: 2.6
1448  **/
1449 G_CONST_RETURN gchar *
1450 gtk_about_dialog_get_logo_icon_name (GtkAboutDialog *about)
1451 {
1452   GtkAboutDialogPrivate *priv;
1453   const gchar *icon_name = NULL;
1454
1455   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1456
1457   priv = (GtkAboutDialogPrivate *)about->private_data;
1458
1459   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1460     gtk_image_get_icon_name (GTK_IMAGE (priv->logo_image), &icon_name, NULL);
1461
1462   return icon_name;
1463 }
1464
1465 /**
1466  * gtk_about_dialog_set_logo_icon_name:
1467  * @about: a #GtkAboutDialog
1468  * @icon_name: an icon name, or %NULL
1469  *
1470  * Sets the pixbuf to be displayed as logo in
1471  * the about dialog. If it is %NULL, the default
1472  * window icon set with gtk_window_set_default_icon()
1473  * will be used.
1474  *
1475  * Since: 2.6
1476  **/
1477 void
1478 gtk_about_dialog_set_logo_icon_name (GtkAboutDialog *about,
1479                                      const gchar    *icon_name)
1480 {
1481   GtkAboutDialogPrivate *priv;
1482
1483   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1484
1485   priv = (GtkAboutDialogPrivate *)about->private_data;
1486
1487   g_object_freeze_notify (G_OBJECT (about));
1488
1489   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1490     g_object_notify (G_OBJECT (about), "logo");
1491
1492   gtk_image_set_from_icon_name (GTK_IMAGE (priv->logo_image), icon_name,
1493                                 GTK_ICON_SIZE_DIALOG);
1494   g_object_notify (G_OBJECT (about), "logo_icon_name");
1495
1496   g_object_thaw_notify (G_OBJECT (about));
1497 }
1498
1499 static void
1500 activate_url (GtkWidget *widget,
1501               gpointer   data)
1502 {
1503   GtkAboutDialog *about = GTK_ABOUT_DIALOG (data);
1504   gchar *url = g_object_get_data (G_OBJECT (widget), "url");
1505
1506   if (activate_url_hook != NULL)
1507     (* activate_url_hook) (about, url, activate_url_hook_data);
1508 }
1509
1510 static void
1511 set_link_button_text (GtkWidget *about,
1512                       GtkWidget *button,
1513                       gchar     *text)
1514 {
1515   GtkWidget *label;
1516   gchar *link;
1517   GdkColor *style_link_color;
1518   GdkColor link_color = { 0, 0, 0, 0xffff };
1519
1520   gtk_widget_ensure_style (about);
1521   gtk_widget_style_get (about, "link_color", &style_link_color, NULL);
1522   if (style_link_color)
1523     {
1524       link_color = *style_link_color;
1525       gdk_color_free (style_link_color);
1526     }
1527
1528   link = g_markup_printf_escaped ("<span foreground=\"#%04x%04x%04x\" underline=\"single\">%s</span>",
1529                                   link_color.red, link_color.green, link_color.blue, text);
1530
1531   label = gtk_bin_get_child (GTK_BIN (button));
1532   gtk_label_set_markup (GTK_LABEL (label), link);
1533   g_free (link);
1534 }
1535
1536 static GtkWidget *
1537 create_link_button (GtkWidget *about,
1538                     gchar     *text,
1539                     gchar     *url,
1540                     GCallback  callback,
1541                     gpointer   data)
1542 {
1543   GtkWidget *button;
1544
1545   button = gtk_button_new_with_label ("");
1546   GTK_WIDGET_UNSET_FLAGS (button, GTK_RECEIVES_DEFAULT);
1547   gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
1548
1549   g_object_set_data_full (G_OBJECT (button), "url", g_strdup (url), g_free);
1550   set_link_button_text (about, button, text);
1551
1552   g_signal_connect (button, "clicked", callback, data);
1553
1554   return button;
1555 }
1556
1557 static void
1558 follow_if_link (GtkAboutDialog *about,
1559                 GtkTextIter    *iter)
1560 {
1561   GSList *tags = NULL, *tagp = NULL;
1562
1563   tags = gtk_text_iter_get_tags (iter);
1564   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
1565     {
1566       GtkTextTag *tag = tagp->data;
1567       gchar *email = g_object_get_data (G_OBJECT (tag), "email");
1568       gchar *url = g_object_get_data (G_OBJECT (tag), "url");
1569
1570       if (email != NULL && activate_email_hook != NULL)
1571         {
1572           (* activate_email_hook) (about, email, activate_email_hook_data);
1573           break;
1574         }
1575
1576       if (url != NULL && activate_url_hook != NULL)
1577         {
1578           (* activate_url_hook) (about, url, activate_url_hook_data);
1579           break;
1580         }
1581     }
1582
1583   if (tags)
1584     g_slist_free (tags);
1585 }
1586
1587 static gboolean
1588 credits_key_press_event (GtkWidget      *text_view,
1589                          GdkEventKey    *event,
1590                          GtkAboutDialog *about)
1591 {
1592   GtkTextIter iter;
1593   GtkTextBuffer *buffer;
1594
1595   switch (event->keyval)
1596     {
1597       case GDK_Return:
1598       case GDK_KP_Enter:
1599         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1600         gtk_text_buffer_get_iter_at_mark (buffer, &iter,
1601                                           gtk_text_buffer_get_insert (buffer));
1602         follow_if_link (about, &iter);
1603         break;
1604
1605       default:
1606         break;
1607     }
1608
1609   return FALSE;
1610 }
1611
1612 static gboolean
1613 credits_event_after (GtkWidget      *text_view,
1614                      GdkEvent       *event,
1615                      GtkAboutDialog *about)
1616 {
1617   GtkTextIter start, end, iter;
1618   GtkTextBuffer *buffer;
1619   GdkEventButton *button_event;
1620   gint x, y;
1621
1622   if (event->type != GDK_BUTTON_RELEASE)
1623     return FALSE;
1624
1625   button_event = (GdkEventButton *)event;
1626
1627   if (button_event->button != 1)
1628     return FALSE;
1629
1630   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1631
1632   /* we shouldn't follow a link if the user has selected something */
1633   gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
1634   if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end))
1635     return FALSE;
1636
1637   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1638                                          GTK_TEXT_WINDOW_WIDGET,
1639                                          button_event->x, button_event->y, &x, &y);
1640
1641   gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (text_view), &iter, x, y);
1642
1643   follow_if_link (about, &iter);
1644
1645   return FALSE;
1646 }
1647
1648 static void
1649 set_cursor_if_appropriate (GtkAboutDialog *about,
1650                            GtkTextView    *text_view,
1651                            gint            x,
1652                            gint            y)
1653 {
1654   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1655   GSList *tags = NULL, *tagp = NULL;
1656   GtkTextBuffer *buffer;
1657   GtkTextIter iter;
1658   gboolean hovering_over_link = FALSE;
1659
1660   buffer = gtk_text_view_get_buffer (text_view);
1661
1662   gtk_text_view_get_iter_at_location (text_view, &iter, x, y);
1663
1664   tags = gtk_text_iter_get_tags (&iter);
1665   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
1666     {
1667       GtkTextTag *tag = tagp->data;
1668       gchar *email = g_object_get_data (G_OBJECT (tag), "email");
1669       gchar *url = g_object_get_data (G_OBJECT (tag), "url");
1670
1671       if (email != NULL || url != NULL)
1672         {
1673           hovering_over_link = TRUE;
1674           break;
1675         }
1676     }
1677
1678   if (hovering_over_link != priv->hovering_over_link)
1679     {
1680       priv->hovering_over_link = hovering_over_link;
1681
1682       if (hovering_over_link)
1683         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->hand_cursor);
1684       else
1685         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->regular_cursor);
1686     }
1687
1688   if (tags)
1689     g_slist_free (tags);
1690 }
1691
1692 static gboolean
1693 credits_motion_notify_event (GtkWidget *text_view,
1694                              GdkEventMotion *event,
1695                              GtkAboutDialog *about)
1696 {
1697   gint x, y;
1698
1699   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1700                                          GTK_TEXT_WINDOW_WIDGET,
1701                                          event->x, event->y, &x, &y);
1702
1703   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), x, y);
1704
1705   gdk_window_get_pointer (text_view->window, NULL, NULL, NULL);
1706
1707   return FALSE;
1708 }
1709
1710
1711 static gboolean
1712 credits_visibility_notify_event (GtkWidget          *text_view,
1713                                  GdkEventVisibility *event,
1714                                  GtkAboutDialog     *about)
1715 {
1716   gint wx, wy, bx, by;
1717
1718   gdk_window_get_pointer (text_view->window, &wx, &wy, NULL);
1719
1720   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1721                                          GTK_TEXT_WINDOW_WIDGET,
1722                                          wx, wy, &bx, &by);
1723
1724   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), bx, by);
1725
1726   return FALSE;
1727 }
1728
1729 static void
1730 text_view_style_set (GtkWidget *widget, GtkStyle *prev_style, GtkWidget *text_view)
1731 {
1732   gtk_widget_modify_base (text_view, GTK_STATE_NORMAL,
1733                           &widget->style->bg[GTK_STATE_NORMAL]);
1734 }
1735
1736 static void
1737 add_credits_page (GtkAboutDialog *about,
1738                   GtkWidget      *notebook,
1739                   gchar          *title,
1740                   gchar         **people)
1741 {
1742   gchar **p;
1743   gchar *q0, *q1, *q2, *r1, *r2;
1744   GtkWidget *sw, *view;
1745   GtkTextBuffer *buffer;
1746   gboolean linkify_email, linkify_urls;
1747   GdkColor *style_link_color;
1748   GdkColor link_color = { 0, 0, 0, 0xffff };
1749
1750   linkify_email = (activate_email_hook != NULL);
1751   linkify_urls = (activate_url_hook != NULL);
1752
1753   gtk_widget_ensure_style (GTK_WIDGET (about));
1754   gtk_widget_style_get (GTK_WIDGET (about), "link_color", &style_link_color, NULL);
1755   if (style_link_color)
1756     {
1757       link_color = *style_link_color;
1758       gdk_color_free (style_link_color);
1759     }
1760
1761   view = gtk_text_view_new ();
1762   g_signal_connect (about, "style_set",
1763                     G_CALLBACK (text_view_style_set), view);
1764
1765   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
1766   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
1767   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
1768   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
1769   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
1770
1771   g_signal_connect (view, "key-press-event",
1772                     G_CALLBACK (credits_key_press_event), about);
1773   g_signal_connect (view, "event-after",
1774                     G_CALLBACK (credits_event_after), about);
1775   g_signal_connect (view, "motion-notify-event",
1776                     G_CALLBACK (credits_motion_notify_event), about);
1777   g_signal_connect (view, "visibility-notify-event",
1778                     G_CALLBACK (credits_visibility_notify_event), about);
1779
1780   sw = gtk_scrolled_window_new (NULL, NULL);
1781   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
1782                                   GTK_POLICY_AUTOMATIC,
1783                                   GTK_POLICY_AUTOMATIC);
1784   gtk_container_add (GTK_CONTAINER (sw), view);
1785
1786   gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
1787                             sw, gtk_label_new (title));
1788
1789   if (people == NULL)
1790     {
1791       gtk_widget_hide (view);
1792       return;
1793     }
1794   else
1795     gtk_widget_show (view);
1796
1797   for (p = people; *p; p++)
1798     {
1799       q0  = *p;
1800       while (*q0)
1801         {
1802           q1 = linkify_email ? strchr (q0, '<') : NULL;
1803           q2 = q1 ? strchr (q1, '>') : NULL;
1804           r1 = linkify_urls ? strstr (q0, "http://") : NULL;
1805           if (r1)
1806             {
1807               r2 = strpbrk (r1, " \n\t");
1808               if (!r2)
1809                 r2 = strchr (r1, '\0');
1810             }
1811           else
1812             r2 = NULL;
1813
1814           if (r1 && r2 && (!q1 || !q2 || (r1 < q1)))
1815             {
1816               q1 = r1;
1817               q2 = r2;
1818             }
1819
1820           if (q1 && q2)
1821             {
1822               GtkTextIter end;
1823               gchar *link;
1824               gchar *link_type;
1825               GtkTextTag *tag;
1826
1827               gtk_text_buffer_insert_at_cursor (buffer, q0, q1 - q0);
1828               gtk_text_buffer_get_end_iter (buffer, &end);
1829
1830               q0 = q2;
1831
1832               if (*q1 == '<')
1833                 {
1834                   q1++;
1835                   q0++;
1836                   link_type = "email";
1837                 }
1838               else
1839                 link_type = "url";
1840
1841               link = g_strndup (q1, q2 - q1);
1842               tag = gtk_text_buffer_create_tag (buffer, NULL,
1843                                                 "foreground_gdk", &link_color,
1844                                                 "underline", PANGO_UNDERLINE_SINGLE,
1845                                                 NULL);
1846               g_object_set_data_full (G_OBJECT (tag), link_type, g_strdup (link), g_free);
1847               gtk_text_buffer_insert_with_tags (buffer, &end, link, -1, tag, NULL);
1848
1849               g_free (link);
1850             }
1851           else
1852             {
1853               gtk_text_buffer_insert_at_cursor (buffer, q0, -1);
1854               break;
1855             }
1856         }
1857
1858       if (p[1])
1859         gtk_text_buffer_insert_at_cursor (buffer, "\n", 1);
1860     }
1861 }
1862
1863 static void
1864 display_credits_dialog (GtkWidget *button,
1865                         gpointer   data)
1866 {
1867   GtkAboutDialog *about = (GtkAboutDialog *)data;
1868   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1869   GtkWidget *dialog, *notebook;
1870
1871   if (priv->credits_dialog != NULL)
1872     {
1873       gtk_window_present (GTK_WINDOW (priv->credits_dialog));
1874       return;
1875     }
1876
1877   dialog = gtk_dialog_new_with_buttons (_("Credits"),
1878                                         GTK_WINDOW (about),
1879                                         GTK_DIALOG_DESTROY_WITH_PARENT,
1880                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
1881                                         NULL);
1882   gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
1883
1884   priv->credits_dialog = dialog;
1885   gtk_window_set_default_size (GTK_WINDOW (dialog), 360, 260);
1886   gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
1887
1888   gtk_window_set_modal (GTK_WINDOW (dialog),
1889                         gtk_window_get_modal (GTK_WINDOW (about)));
1890
1891   g_signal_connect (dialog, "response",
1892                     G_CALLBACK (gtk_widget_destroy), dialog);
1893   g_signal_connect (dialog, "destroy",
1894                     G_CALLBACK (gtk_widget_destroyed),
1895                     &(priv->credits_dialog));
1896
1897   notebook = gtk_notebook_new ();
1898   gtk_container_set_border_width (GTK_CONTAINER (notebook), 8);
1899   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), notebook, TRUE, TRUE, 0);
1900
1901   if (priv->authors != NULL)
1902     add_credits_page (about, notebook, _("Written by"), priv->authors);
1903
1904   if (priv->documenters != NULL)
1905     add_credits_page (about, notebook, _("Documented by"), priv->documenters);
1906
1907   /* Don't show an untranslated gettext msgid */
1908   if (priv->translator_credits != NULL &&
1909       strcmp (priv->translator_credits, "translator_credits") &&
1910       strcmp (priv->translator_credits, "translator-credits"))
1911     {
1912       gchar *translators[2];
1913
1914       translators[0] = priv->translator_credits;
1915       translators[1] = NULL;
1916
1917       add_credits_page (about, notebook, _("Translated by"), translators);
1918     }
1919
1920   if (priv->artists != NULL)
1921     add_credits_page (about, notebook, _("Artwork by"), priv->artists);
1922
1923   gtk_widget_show_all (dialog);
1924 }
1925
1926 static void
1927 set_policy (GtkWidget *sw)
1928 {
1929   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
1930                                   GTK_POLICY_AUTOMATIC,
1931                                   GTK_POLICY_AUTOMATIC);
1932 }
1933
1934 static void
1935 display_license_dialog (GtkWidget *button,
1936                         gpointer   data)
1937 {
1938   GtkAboutDialog *about = (GtkAboutDialog *)data;
1939   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1940   GtkWidget *dialog, *view, *sw;
1941
1942   if (priv->license_dialog != NULL)
1943     {
1944       gtk_window_present (GTK_WINDOW (priv->license_dialog));
1945       return;
1946     }
1947
1948   dialog = gtk_dialog_new_with_buttons (_("License"),
1949                                         GTK_WINDOW (about),
1950                                         GTK_DIALOG_DESTROY_WITH_PARENT,
1951                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
1952                                         NULL);
1953   gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
1954   priv->license_dialog = dialog;
1955   gtk_window_set_default_size (GTK_WINDOW (dialog), 420, 320);
1956   gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
1957
1958   gtk_window_set_modal (GTK_WINDOW (dialog),
1959                         gtk_window_get_modal (GTK_WINDOW (about)));
1960
1961   g_signal_connect (dialog, "response",
1962                     G_CALLBACK (gtk_widget_destroy), dialog);
1963   g_signal_connect (dialog, "destroy",
1964                     G_CALLBACK (gtk_widget_destroyed),
1965                     &(priv->license_dialog));
1966
1967   sw = gtk_scrolled_window_new (NULL, NULL);
1968   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
1969                                        GTK_SHADOW_IN);
1970   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
1971                                   GTK_POLICY_NEVER,
1972                                   GTK_POLICY_AUTOMATIC);
1973   g_signal_connect (sw, "map", G_CALLBACK (set_policy), NULL);
1974   gtk_container_set_border_width (GTK_CONTAINER (sw), 8);
1975   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), sw, TRUE, TRUE, 0);
1976
1977   view = gtk_text_view_new ();
1978   gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)),
1979                             priv->license, -1);
1980
1981   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
1982   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
1983   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
1984   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
1985
1986   gtk_container_add (GTK_CONTAINER (sw), view);
1987
1988   gtk_widget_show_all (dialog);
1989 }
1990
1991 static void
1992 close_cb (GtkAboutDialog *about)
1993 {
1994   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1995
1996   if (priv->license_dialog != NULL)
1997     {
1998       gtk_widget_destroy (priv->license_dialog);
1999       priv->license_dialog = NULL;
2000     }
2001
2002   if (priv->credits_dialog != NULL)
2003     {
2004       gtk_widget_destroy (priv->credits_dialog);
2005       priv->credits_dialog = NULL;
2006     }
2007
2008   gtk_widget_hide (GTK_WIDGET (about));
2009
2010 }
2011
2012 /**
2013  * gtk_about_dialog_new:
2014  *
2015  * Creates a new #GtkAboutDialog.
2016  *
2017  * Returns: a newly created #GtkAboutDialog
2018  *
2019  * Since: 2.6
2020  */
2021 GtkWidget *
2022 gtk_about_dialog_new (void)
2023 {
2024   GtkAboutDialog *dialog = g_object_new (GTK_TYPE_ABOUT_DIALOG, NULL);
2025
2026   /* force defaults */
2027   gtk_about_dialog_set_name (dialog, NULL);
2028   gtk_about_dialog_set_logo (dialog, NULL);
2029
2030   /* Close dialog on user response */
2031   g_signal_connect (dialog,
2032                     "response",
2033                     G_CALLBACK (close_cb),
2034                     NULL);
2035
2036   return GTK_WIDGET (dialog);
2037 }
2038
2039 /**
2040  * gtk_about_dialog_set_email_hook:
2041  * @func: a function to call when an email link is activated.
2042  * @data: data to pass to @func
2043  * @destroy: #GDestroyNotify for @data
2044  *
2045  * Installs a global function to be called whenever the user activates an
2046  * email link in an about dialog.
2047  *
2048  * Return value: the previous email hook.
2049  *
2050  * Since: 2.6
2051  */
2052 GtkAboutDialogActivateLinkFunc
2053 gtk_about_dialog_set_email_hook (GtkAboutDialogActivateLinkFunc func,
2054                                  gpointer                       data,
2055                                  GDestroyNotify                 destroy)
2056 {
2057   GtkAboutDialogActivateLinkFunc old;
2058
2059   if (activate_email_hook_destroy != NULL)
2060     (* activate_email_hook_destroy) (activate_email_hook_data);
2061
2062   old = activate_email_hook;
2063
2064   activate_email_hook = func;
2065   activate_email_hook_data = data;
2066   activate_email_hook_destroy = destroy;
2067
2068   return old;
2069 }
2070
2071 /**
2072  * gtk_about_dialog_set_url_hook:
2073  * @func: a function to call when a URL link is activated.
2074  * @data: data to pass to @func
2075  * @destroy: #GDestroyNotify for @data
2076  *
2077  * Installs a global function to be called whenever the user activates a
2078  * URL link in an about dialog.
2079  *
2080  * Return value: the previous URL hook.
2081  *
2082  * Since: 2.6
2083  */
2084 GtkAboutDialogActivateLinkFunc
2085 gtk_about_dialog_set_url_hook (GtkAboutDialogActivateLinkFunc func,
2086                                gpointer                       data,
2087                                GDestroyNotify                 destroy)
2088 {
2089   GtkAboutDialogActivateLinkFunc old;
2090
2091   if (activate_url_hook_destroy != NULL)
2092     (* activate_url_hook_destroy) (activate_url_hook_data);
2093
2094   old = activate_url_hook;
2095
2096   activate_url_hook = func;
2097   activate_url_hook_data = data;
2098   activate_url_hook_destroy = destroy;
2099
2100   return old;
2101 }
2102
2103 /**
2104  * gtk_show_about_dialog:
2105  * @parent: transient parent, or %NULL for none
2106  * @first_property_name: the name of the first property
2107  * @Varargs: value of first property, followed by more properties, %NULL-terminated
2108  *
2109  * This is a convenience function for showing an application's about box.
2110  * The constructed dialog is associated with the parent window and
2111  * reused for future invocations of this function.
2112  *
2113  * Since: 2.6
2114  */
2115 void
2116 gtk_show_about_dialog (GtkWindow   *parent,
2117                        const gchar *first_property_name,
2118                        ...)
2119 {
2120   static GtkWidget *global_about_dialog = NULL;
2121   GtkWidget *dialog = NULL;
2122   va_list var_args;
2123
2124   if (parent)
2125     dialog = g_object_get_data (G_OBJECT (parent), "gtk-about-dialog");
2126   else
2127     dialog = global_about_dialog;
2128
2129   if (!dialog)
2130     {
2131       dialog = gtk_about_dialog_new ();
2132
2133       g_object_ref (dialog);
2134       gtk_object_sink (GTK_OBJECT (dialog));
2135
2136       g_signal_connect (dialog, "delete_event", G_CALLBACK (gtk_widget_hide_on_delete), NULL);
2137
2138       va_start (var_args, first_property_name);
2139       g_object_set_valist (G_OBJECT (dialog), first_property_name, var_args);
2140       va_end (var_args);
2141
2142       if (parent)
2143         {
2144           gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);
2145           gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
2146           g_object_set_data_full (G_OBJECT (parent), "gtk-about-dialog",
2147                                   dialog, g_object_unref);
2148         }
2149       else
2150         global_about_dialog = dialog;
2151
2152     }
2153
2154   gtk_window_present (GTK_WINDOW (dialog));
2155 }