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 "gtkaboutdialog.h"
  36 #include "gtkbutton.h"
  37 #include "gtkbbox.h"
  38 #include "gtkdialog.h"
  39 #include "gtkhbox.h"
  40 #include "gtkimage.h"
  41 #include "gtklabel.h"
  42 #include "gtkmarshalers.h"
  43 #include "gtknotebook.h"
  44 #include "gtkscrolledwindow.h"
  45 #include "gtkstock.h"
  46 #include "gtktextview.h"
  47 #include "gtkvbox.h"
  48 #include "gtkviewport.h"
  49 #include "gtkiconfactory.h"
  50 #include "gtkprivate.h"
  51 #include "gtkintl.h"
  52
  53 #include "gtkalias.h"
  54
  55 #include <string.h>
  56
  57 typedef struct _GtkAboutDialogPrivate GtkAboutDialogPrivate;
  58 struct _GtkAboutDialogPrivate
  59 {
  60   gchar *name;
  61   gchar *version;
  62   gchar *copyright;
  63   gchar *comments;
  64   gchar *website;
  65   gchar *website_label;
  66   gchar *translator_credits;
  67   gchar *license;
  68
  69   gchar **authors;
  70   gchar **documenters;
  71   gchar **artists;
  72
  73   GtkWidget *logo_image;
  74   GtkWidget *name_label;
  75   GtkWidget *comments_label;
  76   GtkWidget *copyright_label;
  77   GtkWidget *website_button;
  78
  79   GtkWidget *credits_button;
  80   GtkWidget *credits_dialog;
  81   GtkWidget *license_button;
  82   GtkWidget *license_dialog;
  83
  84   GdkCursor *hand_cursor;
  85   GdkCursor *regular_cursor;
  86   gboolean hovering_over_link;
  87   gboolean wrap_license;
  88 };
  89
  90 #define GTK_ABOUT_DIALOG_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_ABOUT_DIALOG, GtkAboutDialogPrivate))
  91
  92
  93 enum
  94 {
  95   PROP_0,
  96   PROP_NAME,
  97   PROP_VERSION,
  98   PROP_COPYRIGHT,
  99   PROP_COMMENTS,
 100   PROP_WEBSITE,
 101   PROP_WEBSITE_LABEL,
 102   PROP_LICENSE,
 103   PROP_AUTHORS,
 104   PROP_DOCUMENTERS,
 105   PROP_TRANSLATOR_CREDITS,
 106   PROP_ARTISTS,
 107   PROP_LOGO,
 108   PROP_LOGO_ICON_NAME,
 109   PROP_WRAP_LICENSE
 110 };
 111
 112 static void                 gtk_about_dialog_finalize       (GObject            *object);
 113 static void                 gtk_about_dialog_get_property   (GObject            *object,
 114                                                              guint               prop_id,
 115                                                              GValue             *value,
 116                                                              GParamSpec         *pspec);
 117 static void                 gtk_about_dialog_set_property   (GObject            *object,
 118                                                              guint               prop_id,
 119                                                              const GValue       *value,
 120                                                              GParamSpec         *pspec);
 121 static void                 gtk_about_dialog_style_set      (GtkWidget          *widget,
 122                                                              GtkStyle           *previous_style);
 123 static void                 dialog_style_set                (GtkWidget          *widget,
 124                                                              GtkStyle           *previous_style,
 125                                                              gpointer            data);
 126 static void                 update_name_version             (GtkAboutDialog     *about);
 127 static GtkIconSet *         icon_set_new_from_pixbufs       (GList              *pixbufs);
 128 static void                 activate_url                    (GtkWidget          *widget,
 129                                                              gpointer            data);
 130 static void                 set_link_button_text            (GtkWidget          *about,
 131                                                              GtkWidget          *button,
 132                                                              gchar              *text);
 133 static GtkWidget *          create_link_button              (GtkWidget          *about,
 134                                                              gchar              *text,
 135                                                              gchar              *url,
 136                                                              GCallback           callback,
 137                                                              gpointer            data);
 138 static void                 follow_if_link                  (GtkAboutDialog     *about,
 139                                                              GtkTextIter        *iter);
 140 static void                 set_cursor_if_appropriate       (GtkAboutDialog     *about,
 141                                                              GtkTextView        *text_view,
 142                                                              gint                x,
 143                                                              gint                y);
 144 static void                 add_credits_page                (GtkAboutDialog     *about,
 145                                                              GtkWidget          *notebook,
 146                                                              gchar              *title,
 147                                                              gchar             **people);
 148 static gboolean             credits_key_press_event         (GtkWidget          *text_view,
 149                                                              GdkEventKey        *event,
 150                                                              GtkAboutDialog     *about);
 151 static gboolean             credits_event_after             (GtkWidget          *text_view,
 152                                                              GdkEvent           *event,
 153                                                              GtkAboutDialog     *about);
 154 static gboolean             credits_motion_notify_event     (GtkWidget          *text_view,
 155                                                              GdkEventMotion     *event,
 156                                                              GtkAboutDialog     *about);
 157 static gboolean             credits_visibility_notify_event (GtkWidget          *text_view,
 158                                                              GdkEventVisibility *event,
 159                                                              GtkAboutDialog     *about);
 160 static void                 display_credits_dialog          (GtkWidget          *button,
 161                                                              gpointer            data);
 162 static void                 display_license_dialog          (GtkWidget          *button,
 163                                                              gpointer            data);
 164 static void                 close_cb                        (GtkAboutDialog     *about);
 165
 166
 167 static GtkAboutDialogActivateLinkFunc activate_email_hook = NULL;
 168 static gpointer activate_email_hook_data = NULL;
 169 static GDestroyNotify activate_email_hook_destroy = NULL;
 170
 171 static GtkAboutDialogActivateLinkFunc activate_url_hook = NULL;
 172 static gpointer activate_url_hook_data = NULL;
 173 static GDestroyNotify activate_url_hook_destroy = NULL;
 174
 175 G_DEFINE_TYPE (GtkAboutDialog, gtk_about_dialog, GTK_TYPE_DIALOG);
 176
 177 static void
 178 gtk_about_dialog_class_init (GtkAboutDialogClass *klass)
 179 {
 180   GObjectClass *object_class;
 181   GtkWidgetClass *widget_class;
 182   GtkDialogClass *dialog_class;
 183
 184   object_class = (GObjectClass *)klass;
 185   widget_class = (GtkWidgetClass *)klass;
 186   dialog_class = (GtkDialogClass *)klass;
 187
 188   object_class->set_property = gtk_about_dialog_set_property;
 189   object_class->get_property = gtk_about_dialog_get_property;
 190
 191   object_class->finalize = gtk_about_dialog_finalize;
 192
 193   widget_class->style_set = gtk_about_dialog_style_set;
 194
 195   /**
 196    * GtkAboutDialog:name:
 197    *
 198    * The name of the program.
 199    * If this is not set, it defaults to g_get_application_name().
 200    *
 201    * Since: 2.6
 202    */
 203   g_object_class_install_property (object_class,
 204                                    PROP_NAME,
 205                                    g_param_spec_string ("name",
 206                                                         P_("Program name"),
 207                                                         P_("The name of the program. If this is not set, it defaults to g_get_application_name()"),
 208                                                         NULL,
 209                                                         GTK_PARAM_READWRITE));
 210
 211   /**
 212    * GtkAboutDialog:version:
 213    *
 214    * The version of the program.
 215    *
 216    * Since: 2.6
 217    */
 218   g_object_class_install_property (object_class,
 219                                    PROP_VERSION,
 220                                    g_param_spec_string ("version",
 221                                                         P_("Program version"),
 222                                                         P_("The version of the program"),
 223                                                         NULL,
 224                                                         GTK_PARAM_READWRITE));
 225
 226   /**
 227    * GtkAboutDialog:copyright:
 228    *
 229    * Copyright information for the program.
 230    *
 231    * Since: 2.6
 232    */
 233   g_object_class_install_property (object_class,
 234                                    PROP_COPYRIGHT,
 235                                    g_param_spec_string ("copyright",
 236                                                         P_("Copyright string"),
 237                                                         P_("Copyright information for the program"),
 238                                                         NULL,
 239                                                         GTK_PARAM_READWRITE));
 240
 241
 242   /**
 243    * GtkAboutDialog:comments:
 244    *
 245    * Comments about the program. This string is displayed in a label
 246    * in the main dialog, thus it should be a short explanation of
 247    * the main purpose of the program, not a detailed list of features.
 248    *
 249    * Since: 2.6
 250    */
 251   g_object_class_install_property (object_class,
 252                                    PROP_COMMENTS,
 253                                    g_param_spec_string ("comments",
 254                                                         P_("Comments string"),
 255                                                         P_("Comments about the program"),
 256                                                         NULL,
 257                                                         GTK_PARAM_READWRITE));
 258
 259   /**
 260    * GtkAboutDialog:license:
 261    *
 262    * The license of the program. This string is displayed in a
 263    * text view in a secondary dialog, therefore it is fine to use
 264    * a long multi-paragraph text. Note that the text is only wrapped
 265    * in the text view if the "wrap-license" property is set to %TRUE;
 266    * otherwise the text itself must contain the intended linebreaks.
 267    *
 268    * Since: 2.6
 269    */
 270   g_object_class_install_property (object_class,
 271                                    PROP_LICENSE,
 272                                    g_param_spec_string ("license",
 273                                                         _("License"),
 274                                                         _("The license of the program"),
 275                                                         NULL,
 276                                                         GTK_PARAM_READWRITE));
 277
 278   /**
 279    * GtkAboutDialog:website:
 280    *
 281    * The URL for the link to the website of the program.
 282    * This should be a string starting with "http://.
 283    *
 284    * Since: 2.6
 285    */
 286   g_object_class_install_property (object_class,
 287                                    PROP_WEBSITE,
 288                                    g_param_spec_string ("website",
 289                                                         P_("Website URL"),
 290                                                         P_("The URL for the link to the website of the program"),
 291                                                         NULL,
 292                                                         GTK_PARAM_READWRITE));
 293
 294   /**
 295    * GtkAboutDialog:website-label:
 296    *
 297    * The label for the link to the website of the program. If this is not set,
 298    * it defaults to the URL specified in the
 299    * <link linkend="GtkAboutDialog--website">website</link> property.
 300    *
 301    * Since: 2.6
 302    */
 303   g_object_class_install_property (object_class,
 304                                    PROP_WEBSITE_LABEL,
 305                                    g_param_spec_string ("website-label",
 306                                                         P_("Website label"),
 307                                                         P_("The label for the link to the website of the program. If this is not set, it defaults to the URL"),
 308                                                         NULL,
 309                                                         GTK_PARAM_READWRITE));
 310
 311   /**
 312    * GtkAboutDialog:authors:
 313    *
 314    * The authors of the program, as a %NULL-terminated array of strings.
 315    * Each string may contain email addresses and URLs, which will be displayed
 316    * as links, see the introduction for more details.
 317    *
 318    * Since: 2.6
 319    */
 320   g_object_class_install_property (object_class,
 321                                    PROP_AUTHORS,
 322                                    g_param_spec_boxed ("authors",
 323                                                        P_("Authors"),
 324                                                        P_("List of authors of the program"),
 325                                                        G_TYPE_STRV,
 326                                                        GTK_PARAM_READWRITE));
 327
 328   /**
 329    * GtkAboutDialog:documenters:
 330    *
 331    * The people documenting the program, as a %NULL-terminated array of strings.
 332    * Each string may contain email addresses and URLs, which will be displayed
 333    * as links, see the introduction for more details.
 334    *
 335    * Since: 2.6
 336    */
 337   g_object_class_install_property (object_class,
 338                                    PROP_DOCUMENTERS,
 339                                    g_param_spec_boxed ("documenters",
 340                                                        P_("Documenters"),
 341                                                        P_("List of people documenting the program"),
 342                                                        G_TYPE_STRV,
 343                                                        GTK_PARAM_READWRITE));
 344
 345   /**
 346    * GtkAboutDialog:artists:
 347    *
 348    * The people who contributed artwork to the program, as a %NULL-terminated array of strings.
 349    * Each string may contain email addresses and URLs, which will be displayed
 350    * as links, see the introduction for more details.
 351    *
 352    * Since: 2.6
 353    */
 354   g_object_class_install_property (object_class,
 355                                    PROP_ARTISTS,
 356                                    g_param_spec_boxed ("artists",
 357                                                        P_("Artists"),
 358                                                        P_("List of people who have contributed artwork to the program"),
 359                                                        G_TYPE_STRV,
 360                                                        GTK_PARAM_READWRITE));
 361
 362
 363   /**
 364    * GtkAboutDialog:translator-credits:
 365    *
 366    * Credits to the translators. This string should be marked as translatable.
 367    * The string may contain email addresses and URLs, which will be displayed
 368    * as links, see the introduction for more details.
 369    *
 370    * Since: 2.6
 371    */
 372   g_object_class_install_property (object_class,
 373                                    PROP_TRANSLATOR_CREDITS,
 374                                    g_param_spec_string ("translator-credits",
 375                                                         P_("Translator credits"),
 376                                                         P_("Credits to the translators. This string should be marked as translatable"),
 377                                                         NULL,
 378                                                         GTK_PARAM_READWRITE));
 379
 380   /**
 381    * GtkAboutDialog:logo:
 382    *
 383    * A logo for the about box. If this is not set, it defaults to
 384    * gtk_window_get_default_icon_list().
 385    *
 386    * Since: 2.6
 387    */
 388   g_object_class_install_property (object_class,
 389                                    PROP_LOGO,
 390                                    g_param_spec_object ("logo",
 391                                                         P_("Logo"),
 392                                                         P_("A logo for the about box. If this is not set, it defaults to gtk_window_get_default_icon_list()"),
 393                                                         GDK_TYPE_PIXBUF,
 394                                                         GTK_PARAM_READWRITE));
 395
 396   /**
 397    * GtkAboutDialog:logo-icon-name:
 398    *
 399    * A named icon to use as the logo for the about box. This property
 400    * overrides the <link linkend="GtkAboutDialog--logo">logo</link> property.
 401    *
 402    * Since: 2.6
 403    */
 404   g_object_class_install_property (object_class,
 405                                    PROP_LOGO_ICON_NAME,
 406                                    g_param_spec_string ("logo-icon-name",
 407                                                         P_("Logo Icon Name"),
 408                                                         P_("A named icon to use as the logo for the about box."),
 409                                                         NULL,
 410                                                         GTK_PARAM_READWRITE));
 411   /**
 412    * GtkAboutDialog:wrap-license:
 413    *
 414    * Whether to wrap the text in the license dialog.
 415    *
 416    * Since: 2.8
 417    */
 418   g_object_class_install_property (object_class,
 419                                    PROP_WRAP_LICENSE,
 420                                    g_param_spec_boolean ("wrap-license",
 421                                                          P_("Wrap license"),
 422                                                          P_("Whether to wrap the license text."),
 423                                                          FALSE,
 424                                                          GTK_PARAM_READWRITE));
 425
 426   /* Style properties */
 427   gtk_widget_class_install_style_property (widget_class,
 428                                            g_param_spec_boxed ("link-color",
 429                                                                P_("Link Color"),
 430                                                                P_("Color of hyperlinks"),
 431                                                                GDK_TYPE_COLOR,
 432                                                                GTK_PARAM_READABLE));
 433
 434   g_type_class_add_private (object_class, sizeof (GtkAboutDialogPrivate));
 435 }
 436
 437 static void
 438 gtk_about_dialog_init (GtkAboutDialog *about)
 439 {
 440   GtkAboutDialogPrivate *priv;
 441   GtkWidget *vbox, *hbox, *button;
 442
 443   /* Data */
 444   priv = GTK_ABOUT_DIALOG_GET_PRIVATE (about);
 445   about->private_data = priv;
 446
 447   priv->name = NULL;
 448   priv->version = NULL;
 449   priv->copyright = NULL;
 450   priv->comments = NULL;
 451   priv->website = NULL;
 452   priv->website_label = NULL;
 453   priv->translator_credits = NULL;
 454   priv->license = NULL;
 455   priv->authors = NULL;
 456   priv->documenters = NULL;
 457   priv->artists = NULL;
 458
 459   priv->hand_cursor = gdk_cursor_new (GDK_HAND2);
 460   priv->regular_cursor = gdk_cursor_new (GDK_XTERM);
 461   priv->hovering_over_link = FALSE;
 462   priv->wrap_license = FALSE;
 463
 464   gtk_dialog_set_has_separator (GTK_DIALOG (about), FALSE);
 465
 466   /* Widgets */
 467   gtk_widget_push_composite_child ();
 468   vbox = gtk_vbox_new (FALSE, 8);
 469
 470   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (about)->vbox), vbox, TRUE, TRUE, 0);
 471
 472   priv->logo_image = gtk_image_new ();
 473   gtk_box_pack_start (GTK_BOX (vbox), priv->logo_image, FALSE, FALSE, 0);
 474
 475   priv->name_label = gtk_label_new (NULL);
 476   gtk_label_set_selectable (GTK_LABEL (priv->name_label), TRUE);
 477   gtk_label_set_justify (GTK_LABEL (priv->name_label), GTK_JUSTIFY_CENTER);
 478   gtk_box_pack_start (GTK_BOX (vbox), priv->name_label, FALSE, FALSE, 0);
 479
 480   priv->comments_label = gtk_label_new (NULL);
 481   gtk_label_set_selectable (GTK_LABEL (priv->comments_label), TRUE);
 482   gtk_label_set_justify (GTK_LABEL (priv->comments_label), GTK_JUSTIFY_CENTER);
 483   gtk_label_set_line_wrap (GTK_LABEL (priv->comments_label), TRUE);
 484   gtk_box_pack_start (GTK_BOX (vbox), priv->comments_label, FALSE, FALSE, 0);
 485
 486   priv->copyright_label = gtk_label_new (NULL);
 487   gtk_label_set_selectable (GTK_LABEL (priv->copyright_label), TRUE);
 488   gtk_label_set_justify (GTK_LABEL (priv->copyright_label), GTK_JUSTIFY_CENTER);
 489   gtk_box_pack_start (GTK_BOX (vbox), priv->copyright_label, FALSE, FALSE, 0);
 490
 491   button = create_link_button (GTK_WIDGET (about), "", "",
 492                                G_CALLBACK (activate_url), about);
 493
 494   hbox = gtk_hbox_new (TRUE, 0);
 495   gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
 496   gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 0);
 497   priv->website_button = button;
 498
 499   gtk_widget_show (vbox);
 500   gtk_widget_show (priv->logo_image);
 501   gtk_widget_show (priv->name_label);
 502   gtk_widget_show (hbox);
 503
 504   /* Add the OK button */
 505   gtk_dialog_add_button (GTK_DIALOG (about), GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
 506   gtk_dialog_set_default_response (GTK_DIALOG (about), GTK_RESPONSE_CLOSE);
 507
 508   /* Add the credits button */
 509   button = gtk_button_new_from_stock (_("C_redits"));
 510   gtk_widget_set_no_show_all (button, TRUE);
 511   gtk_box_pack_end (GTK_BOX (GTK_DIALOG (about)->action_area),
 512                     button, FALSE, TRUE, 0);
 513   gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (about)->action_area), button, TRUE);
 514   g_signal_connect (button, "clicked", G_CALLBACK (display_credits_dialog), about);
 515   priv->credits_button = button;
 516   priv->credits_dialog = NULL;
 517
 518   /* Add the license button */
 519   button = gtk_button_new_from_stock (_("_License"));
 520   gtk_widget_set_no_show_all (button, TRUE);
 521   gtk_box_pack_end (GTK_BOX (GTK_DIALOG (about)->action_area),
 522                     button, FALSE, TRUE, 0);
 523   gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (about)->action_area), button, TRUE);
 524   g_signal_connect (button, "clicked", G_CALLBACK (display_license_dialog), about);
 525   priv->license_button = button;
 526   priv->license_dialog = NULL;
 527
 528   gtk_window_set_resizable (GTK_WINDOW (about), FALSE);
 529
 530   gtk_widget_pop_composite_child ();
 531
 532   /* force defaults */
 533   gtk_about_dialog_set_name (about, NULL);
 534   gtk_about_dialog_set_logo (about, NULL);
 535
 536   /* Close dialog on user response */
 537   g_signal_connect (about, "response", G_CALLBACK (close_cb), NULL);
 538 }
 539
 540 static void
 541 gtk_about_dialog_finalize (GObject *object)
 542 {
 543   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 544   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
 545
 546   g_free (priv->name);
 547   g_free (priv->version);
 548   g_free (priv->copyright);
 549   g_free (priv->comments);
 550   g_free (priv->license);
 551   g_free (priv->website);
 552   g_free (priv->website_label);
 553   g_free (priv->translator_credits);
 554
 555   g_strfreev (priv->authors);
 556   g_strfreev (priv->documenters);
 557   g_strfreev (priv->artists);
 558
 559   gdk_cursor_unref (priv->hand_cursor);
 560   gdk_cursor_unref (priv->regular_cursor);
 561
 562   G_OBJECT_CLASS (gtk_about_dialog_parent_class)->finalize (object);
 563 }
 564
 565 static void
 566 gtk_about_dialog_set_property (GObject      *object,
 567                                guint         prop_id,
 568                                const GValue *value,
 569                                GParamSpec   *pspec)
 570 {
 571   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 572   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
 573
 574   switch (prop_id)
 575     {
 576     case PROP_NAME:
 577       gtk_about_dialog_set_name (about, g_value_get_string (value));
 578       break;
 579     case PROP_VERSION:
 580       gtk_about_dialog_set_version (about, g_value_get_string (value));
 581       break;
 582     case PROP_COMMENTS:
 583       gtk_about_dialog_set_comments (about, g_value_get_string (value));
 584       break;
 585     case PROP_WEBSITE:
 586       gtk_about_dialog_set_website (about, g_value_get_string (value));
 587       break;
 588     case PROP_WEBSITE_LABEL:
 589       gtk_about_dialog_set_website_label (about, g_value_get_string (value));
 590       break;
 591     case PROP_LICENSE:
 592       gtk_about_dialog_set_license (about, g_value_get_string (value));
 593       break;
 594     case PROP_COPYRIGHT:
 595       gtk_about_dialog_set_copyright (about, g_value_get_string (value));
 596       break;
 597     case PROP_LOGO:
 598       gtk_about_dialog_set_logo (about, g_value_get_object (value));
 599       break;
 600     case PROP_AUTHORS:
 601       gtk_about_dialog_set_authors (about, (const gchar**)g_value_get_boxed (value));
 602       break;
 603     case PROP_DOCUMENTERS:
 604       gtk_about_dialog_set_documenters (about, (const gchar**)g_value_get_boxed (value));
 605       break;
 606     case PROP_ARTISTS:
 607       gtk_about_dialog_set_artists (about, (const gchar**)g_value_get_boxed (value));
 608       break;
 609     case PROP_TRANSLATOR_CREDITS:
 610       gtk_about_dialog_set_translator_credits (about, g_value_get_string (value));
 611       break;
 612     case PROP_LOGO_ICON_NAME:
 613       gtk_about_dialog_set_logo_icon_name (about, g_value_get_string (value));
 614       break;
 615     case PROP_WRAP_LICENSE:
 616       priv->wrap_license = g_value_get_boolean (value);
 617       break;
 618     default:
 619       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 620       break;
 621     }
 622 }
 623
 624 static void
 625 gtk_about_dialog_get_property (GObject    *object,
 626                                guint       prop_id,
 627                                GValue     *value,
 628                                GParamSpec *pspec)
 629 {
 630   GtkAboutDialog *about = GTK_ABOUT_DIALOG (object);
 631   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
 632
 633   switch (prop_id)
 634     {
 635     case PROP_NAME:
 636       g_value_set_string (value, priv->name);
 637       break;
 638     case PROP_VERSION:
 639       g_value_set_string (value, priv->version);
 640       break;
 641     case PROP_COPYRIGHT:
 642       g_value_set_string (value, priv->copyright);
 643       break;
 644     case PROP_COMMENTS:
 645       g_value_set_string (value, priv->comments);
 646       break;
 647     case PROP_WEBSITE:
 648       g_value_set_string (value, priv->website);
 649       break;
 650     case PROP_WEBSITE_LABEL:
 651       g_value_set_string (value, priv->website_label);
 652       break;
 653     case PROP_LICENSE:
 654       g_value_set_string (value, priv->license);
 655       break;
 656     case PROP_TRANSLATOR_CREDITS:
 657       g_value_set_string (value, priv->translator_credits);
 658       break;
 659     case PROP_AUTHORS:
 660       g_value_set_boxed (value, priv->authors);
 661       break;
 662     case PROP_DOCUMENTERS:
 663       g_value_set_boxed (value, priv->documenters);
 664       break;
 665     case PROP_ARTISTS:
 666       g_value_set_boxed (value, priv->artists);
 667       break;
 668     case PROP_LOGO:
 669       if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
 670         g_value_set_object (value, gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image)));
 671       else
 672         g_value_set_object (value, NULL);
 673       break;
 674     case PROP_LOGO_ICON_NAME:
 675       if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
 676         {
 677           const gchar *icon_name;
 678
 679           gtk_image_get_icon_name (GTK_IMAGE (priv->logo_image), &icon_name, NULL);
 680           g_value_set_string (value, icon_name);
 681         }
 682       else
 683         g_value_set_string (value, NULL);
 684       break;
 685     case PROP_WRAP_LICENSE:
 686       g_value_set_boolean (value, priv->wrap_license);
 687       break;
 688     default:
 689       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 690       break;
 691     }
 692 }
 693
 694 static void
 695 dialog_style_set (GtkWidget *widget,
 696                   GtkStyle *previous_style,
 697                   gpointer data)
 698 {
 699   GtkDialog *dialog;
 700
 701   dialog = GTK_DIALOG (widget);
 702
 703   /* Override the style properties with HIG-compliant spacings.  Ugh.
 704    * http://developer.gnome.org/projects/gup/hig/1.0/layout.html#layout-dialogs
 705    * http://developer.gnome.org/projects/gup/hig/1.0/windows.html#alert-spacing
 706    */
 707
 708   gtk_container_set_border_width (GTK_CONTAINER (dialog->vbox), 12);
 709   gtk_box_set_spacing (GTK_BOX (dialog->vbox), 12);
 710
 711   gtk_container_set_border_width (GTK_CONTAINER (dialog->action_area), 0);
 712   gtk_box_set_spacing (GTK_BOX (dialog->action_area), 6);
 713 }
 714
 715 static void
 716 gtk_about_dialog_style_set (GtkWidget *widget,
 717                             GtkStyle  *previous_style)
 718 {
 719   if (GTK_WIDGET_CLASS (gtk_about_dialog_parent_class)->style_set)
 720     GTK_WIDGET_CLASS (gtk_about_dialog_parent_class)->style_set (widget, previous_style);
 721
 722   dialog_style_set (widget, previous_style, NULL);
 723 }
 724
 725 /**
 726  * gtk_about_dialog_get_name:
 727  * @about: a #GtkAboutDialog
 728  *
 729  * Returns the program name displayed in the about dialog.
 730  *
 731  * Return value: The program name. The string is owned by the about
 732  *  dialog and must not be modified.
 733  *
 734  * Since: 2.6
 735  **/
 736 G_CONST_RETURN gchar *
 737 gtk_about_dialog_get_name (GtkAboutDialog *about)
 738 {
 739   GtkAboutDialogPrivate *priv;
 740
 741   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 742
 743   priv = (GtkAboutDialogPrivate *)about->private_data;
 744
 745   return priv->name;
 746 }
 747
 748 static void
 749 update_name_version (GtkAboutDialog *about)
 750 {
 751   GtkAboutDialogPrivate *priv;
 752   gchar *title_string, *name_string;
 753
 754   priv = (GtkAboutDialogPrivate *)about->private_data;
 755
 756   title_string = g_strdup_printf (_("About %s"), priv->name);
 757   gtk_window_set_title (GTK_WINDOW (about), title_string);
 758   g_free (title_string);
 759
 760   if (priv->version != NULL)
 761     name_string = g_markup_printf_escaped ("<span size=\"xx-large\" weight=\"bold\">%s %s</span>",
 762                                              priv->name, priv->version);
 763   else
 764     name_string = g_markup_printf_escaped ("<span size=\"xx-large\" weight=\"bold\">%s</span>",
 765                                            priv->name);
 766
 767   gtk_label_set_markup (GTK_LABEL (priv->name_label), name_string);
 768
 769   g_free (name_string);
 770 }
 771
 772 /**
 773  * gtk_about_dialog_set_name:
 774  * @about: a #GtkAboutDialog
 775  * @name: the program name
 776  *
 777  * Sets the name to display in the about dialog.
 778  * If this is not set, it defaults to g_get_application_name().
 779  *
 780  * Since: 2.6
 781  **/
 782 void
 783 gtk_about_dialog_set_name (GtkAboutDialog *about,
 784                            const gchar    *name)
 785 {
 786   GtkAboutDialogPrivate *priv;
 787   gchar *tmp;
 788
 789   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 790
 791   priv = (GtkAboutDialogPrivate *)about->private_data;
 792   tmp = priv->name;
 793   priv->name = g_strdup (name ? name : g_get_application_name ());
 794   g_free (tmp);
 795
 796   update_name_version (about);
 797
 798   g_object_notify (G_OBJECT (about), "name");
 799 }
 800
 801 /**
 802  * gtk_about_dialog_get_version:
 803  * @about: a #GtkAboutDialog
 804  *
 805  * Returns the version string.
 806  *
 807  * Return value: The version string. The string is owned by the about
 808  *  dialog and must not be modified.
 809  *
 810  * Since: 2.6
 811  **/
 812 G_CONST_RETURN gchar *
 813 gtk_about_dialog_get_version (GtkAboutDialog *about)
 814 {
 815   GtkAboutDialogPrivate *priv;
 816
 817   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 818
 819   priv = (GtkAboutDialogPrivate *)about->private_data;
 820
 821   return priv->version;
 822 }
 823
 824 /**
 825  * gtk_about_dialog_set_version:
 826  * @about: a #GtkAboutDialog
 827  * @version: the version string
 828  *
 829  * Sets the version string to display in the about dialog.
 830  *
 831  * Since: 2.6
 832  **/
 833 void
 834 gtk_about_dialog_set_version (GtkAboutDialog *about,
 835                               const gchar    *version)
 836 {
 837   GtkAboutDialogPrivate *priv;
 838   gchar *tmp;
 839
 840   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 841
 842   priv = (GtkAboutDialogPrivate *)about->private_data;
 843
 844   tmp = priv->version;
 845   priv->version = version ? g_strdup (version) : NULL;
 846   g_free (tmp);
 847
 848   update_name_version (about);
 849
 850   g_object_notify (G_OBJECT (about), "version");
 851 }
 852
 853 /**
 854  * gtk_about_dialog_get_copyright:
 855  * @about: a #GtkAboutDialog
 856  *
 857  * Returns the copyright string.
 858  *
 859  * Return value: The copyright string. The string is owned by the about
 860  *  dialog and must not be modified.
 861  *
 862  * Since: 2.6
 863  **/
 864 G_CONST_RETURN gchar *
 865 gtk_about_dialog_get_copyright (GtkAboutDialog *about)
 866 {
 867   GtkAboutDialogPrivate *priv;
 868
 869   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 870
 871   priv = (GtkAboutDialogPrivate *)about->private_data;
 872
 873   return priv->copyright;
 874 }
 875
 876 /**
 877  * gtk_about_dialog_set_copyright:
 878  * @about: a #GtkAboutDialog
 879  * @copyright: the copyright string
 880  *
 881  * Sets the copyright string to display in the about dialog.
 882  * This should be a short string of one or two lines.
 883  *
 884  * Since: 2.6
 885  **/
 886 void
 887 gtk_about_dialog_set_copyright (GtkAboutDialog *about,
 888                                 const gchar    *copyright)
 889 {
 890   GtkAboutDialogPrivate *priv;
 891   gchar *copyright_string, *tmp;
 892
 893   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 894
 895   priv = (GtkAboutDialogPrivate *)about->private_data;
 896
 897   tmp = priv->copyright;
 898   priv->copyright = copyright ? g_strdup (copyright) : NULL;
 899   g_free (tmp);
 900
 901   if (priv->copyright != NULL)
 902     {
 903       copyright_string = g_markup_printf_escaped ("<span size=\"small\">%s</span>",
 904                                                   priv->copyright);
 905       gtk_label_set_markup (GTK_LABEL (priv->copyright_label), copyright_string);
 906       g_free (copyright_string);
 907
 908       gtk_widget_show (priv->copyright_label);
 909     }
 910   else
 911     gtk_widget_hide (priv->copyright_label);
 912
 913   g_object_notify (G_OBJECT (about), "copyright");
 914 }
 915
 916 /**
 917  * gtk_about_dialog_get_comments:
 918  * @about: a #GtkAboutDialog
 919  *
 920  * Returns the comments string.
 921  *
 922  * Return value: The comments. The string is owned by the about
 923  *  dialog and must not be modified.
 924  *
 925  * Since: 2.6
 926  **/
 927 G_CONST_RETURN gchar *
 928 gtk_about_dialog_get_comments (GtkAboutDialog *about)
 929 {
 930   GtkAboutDialogPrivate *priv;
 931
 932   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 933
 934   priv = (GtkAboutDialogPrivate *)about->private_data;
 935
 936   return priv->comments;
 937 }
 938
 939 /**
 940  * gtk_about_dialog_set_comments:
 941  * @about: a #GtkAboutDialog
 942  * @comments: a comments string
 943  *
 944  * Sets the comments string to display in the about
 945  * dialog. This should be a short string of one or
 946  * two lines.
 947  *
 948  * Since: 2.6
 949  **/
 950 void
 951 gtk_about_dialog_set_comments (GtkAboutDialog *about,
 952                                const gchar    *comments)
 953 {
 954   GtkAboutDialogPrivate *priv;
 955   gchar *tmp;
 956
 957   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
 958
 959   priv = (GtkAboutDialogPrivate *)about->private_data;
 960
 961   tmp = priv->comments;
 962   if (comments)
 963     {
 964       priv->comments = g_strdup (comments);
 965       gtk_label_set_text (GTK_LABEL (priv->comments_label), priv->comments);
 966       gtk_widget_show (priv->comments_label);
 967     }
 968   else
 969     {
 970       priv->comments = NULL;
 971       gtk_widget_hide (priv->comments_label);
 972     }
 973   g_free (tmp);
 974
 975   g_object_notify (G_OBJECT (about), "comments");
 976 }
 977
 978 /**
 979  * gtk_about_dialog_get_license:
 980  * @about: a #GtkAboutDialog
 981  *
 982  * Returns the license information.
 983  *
 984  * Return value: The license information. The string is owned by the about
 985  *  dialog and must not be modified.
 986  *
 987  * Since: 2.6
 988  **/
 989 G_CONST_RETURN gchar *
 990 gtk_about_dialog_get_license (GtkAboutDialog *about)
 991 {
 992   GtkAboutDialogPrivate *priv;
 993
 994   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
 995
 996   priv = (GtkAboutDialogPrivate *)about->private_data;
 997
 998   return priv->license;
 999 }
1000
1001 /**
1002  * gtk_about_dialog_set_license:
1003  * @about: a #GtkAboutDialog
1004  * @license: the license information or %NULL
1005  *
1006  * Sets the license information to be displayed in the secondary
1007  * license dialog. If @license is %NULL, the license button is
1008  * hidden.
1009  *
1010  * Since: 2.6
1011  **/
1012 void
1013 gtk_about_dialog_set_license (GtkAboutDialog *about,
1014                               const gchar    *license)
1015 {
1016   GtkAboutDialogPrivate *priv;
1017   gchar *tmp;
1018
1019   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1020
1021   priv = (GtkAboutDialogPrivate *)about->private_data;
1022
1023   tmp = priv->license;
1024   if (license)
1025     {
1026       priv->license = g_strdup (license);
1027       gtk_widget_show (priv->license_button);
1028     }
1029   else
1030     {
1031       priv->license = NULL;
1032       gtk_widget_hide (priv->license_button);
1033     }
1034   g_free (tmp);
1035
1036   g_object_notify (G_OBJECT (about), "license");
1037 }
1038
1039 /**
1040  * gtk_about_dialog_get_wrap_license:
1041  * @about: a #GtkAboutDialog
1042  *
1043  * Returns whether the license text in @about is
1044  * automatically wrapped.
1045  *
1046  * Returns: %TRUE if the license text is wrapped
1047  *
1048  * Since: 2.8
1049  */
1050 gboolean
1051 gtk_about_dialog_get_wrap_license (GtkAboutDialog *about)
1052 {
1053   GtkAboutDialogPrivate *priv;
1054
1055   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), FALSE);
1056
1057   priv = (GtkAboutDialogPrivate *)about->private_data;
1058
1059   return priv->wrap_license;
1060 }
1061
1062 /**
1063  * gtk_about_dialog_set_wrap_license:
1064  * @about: a #GtkAboutDialog
1065  * @wrap_license: whether to wrap the license
1066  *
1067  * Sets whether the license text in @about is
1068  * automatically wrapped.
1069  *
1070  * Since: 2.8
1071  */
1072 void
1073 gtk_about_dialog_set_wrap_license (GtkAboutDialog *about,
1074                                    gboolean        wrap_license)
1075 {
1076   GtkAboutDialogPrivate *priv;
1077
1078   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1079
1080   priv = (GtkAboutDialogPrivate *)about->private_data;
1081
1082   wrap_license = wrap_license != FALSE;
1083
1084   if (priv->wrap_license != wrap_license)
1085     {
1086        priv->wrap_license = wrap_license;
1087
1088        g_object_notify (G_OBJECT (about), "wrap-license");
1089     }
1090 }
1091
1092 /**
1093  * gtk_about_dialog_get_website:
1094  * @about: a #GtkAboutDialog
1095  *
1096  * Returns the website URL.
1097  *
1098  * Return value: The website URL. The string is owned by the about
1099  *  dialog and must not be modified.
1100  *
1101  * Since: 2.6
1102  **/
1103 G_CONST_RETURN gchar *
1104 gtk_about_dialog_get_website (GtkAboutDialog *about)
1105 {
1106   GtkAboutDialogPrivate *priv;
1107
1108   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1109
1110   priv = (GtkAboutDialogPrivate *)about->private_data;
1111
1112   return priv->website;
1113 }
1114
1115 /**
1116  * gtk_about_dialog_set_website:
1117  * @about: a #GtkAboutDialog
1118  * @website: a URL string starting with "http://"
1119  *
1120  * Sets the URL to use for the website link.
1121  *
1122  * Since: 2.6
1123  **/
1124 void
1125 gtk_about_dialog_set_website (GtkAboutDialog *about,
1126                               const gchar    *website)
1127 {
1128   GtkAboutDialogPrivate *priv;
1129   gchar *tmp;
1130
1131   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1132
1133   priv = (GtkAboutDialogPrivate *)about->private_data;
1134
1135   tmp = priv->website;
1136   if (website != NULL)
1137     {
1138       priv->website = g_strdup (website);
1139       if (activate_url_hook != NULL)
1140         {
1141           g_object_set_data_full (G_OBJECT (priv->website_button),
1142                                   "url", g_strdup (website), g_free);
1143           if (priv->website_label == NULL)
1144             gtk_about_dialog_set_website_label (about, website);
1145         }
1146       else
1147         {
1148           GtkWidget *hbox = priv->website_button->parent;
1149           gtk_widget_destroy (priv->website_button);
1150           priv->website_button = gtk_label_new (website);
1151           gtk_label_set_selectable (GTK_LABEL (priv->website_button), TRUE);
1152           gtk_container_add (GTK_CONTAINER (hbox), priv->website_button);
1153           gtk_widget_show (priv->website_button);
1154         }
1155     }
1156   else
1157     {
1158       priv->website = NULL;
1159       g_object_set_data (G_OBJECT (priv->website_button), "url", NULL);
1160       gtk_widget_hide (priv->website_button);
1161     }
1162   g_free (tmp);
1163
1164   g_object_notify (G_OBJECT (about), "website");
1165 }
1166
1167 /**
1168  * gtk_about_dialog_get_website_label:
1169  * @about: a #GtkAboutDialog
1170  *
1171  * Returns the label used for the website link.
1172  *
1173  * Return value: The label used for the website link. The string is owned by the about
1174  *  dialog and must not be modified.
1175  *
1176  * Since: 2.6
1177  **/
1178 G_CONST_RETURN gchar *
1179 gtk_about_dialog_get_website_label (GtkAboutDialog *about)
1180 {
1181   GtkAboutDialogPrivate *priv;
1182
1183   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1184
1185   priv = (GtkAboutDialogPrivate *)about->private_data;
1186
1187   return priv->website_label;
1188 }
1189
1190 /**
1191  * gtk_about_dialog_set_website_label:
1192  * @about: a #GtkAboutDialog
1193  * @website_label: the label used for the website link
1194  *
1195  * Sets the label to be used for the website link.
1196  * It defaults to the website URL.
1197  *
1198  * Since: 2.6
1199  **/
1200 void
1201 gtk_about_dialog_set_website_label (GtkAboutDialog *about,
1202                                     const gchar    *website_label)
1203 {
1204   GtkAboutDialogPrivate *priv;
1205   gchar *tmp;
1206
1207   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1208
1209   priv = (GtkAboutDialogPrivate *)about->private_data;
1210
1211   tmp = priv->website_label;
1212   if (activate_url_hook != NULL)
1213     {
1214       if (website_label != NULL)
1215         {
1216           priv->website_label = g_strdup (website_label);
1217           set_link_button_text (GTK_WIDGET (about),
1218                                 priv->website_button,
1219                                 priv->website_label);
1220           gtk_widget_show (priv->website_button);
1221         }
1222       else
1223         {
1224           priv->website_label = NULL;
1225           gtk_widget_hide (priv->website_button);
1226         }
1227     }
1228   g_free (tmp);
1229
1230   g_object_notify (G_OBJECT (about), "website-label");
1231 }
1232
1233 /**
1234  * gtk_about_dialog_get_authors:
1235  * @about: a #GtkAboutDialog
1236  *
1237  * Returns the string which are displayed in the authors tab
1238  * of the secondary credits dialog.
1239  *
1240  * Return value: A %NULL-terminated string array containing
1241  *  the authors. The array is owned by the about dialog
1242  *  and must not be modified.
1243  *
1244  * Since: 2.6
1245  **/
1246 G_CONST_RETURN gchar * G_CONST_RETURN *
1247 gtk_about_dialog_get_authors (GtkAboutDialog *about)
1248 {
1249   GtkAboutDialogPrivate *priv;
1250
1251   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1252
1253   priv = (GtkAboutDialogPrivate *)about->private_data;
1254
1255   return (const gchar * const *) priv->authors;
1256 }
1257
1258 /**
1259  * gtk_about_dialog_set_authors:
1260  * @about: a #GtkAboutDialog
1261  * @authors: a %NULL-terminated array of strings
1262  *
1263  * Sets the strings which are displayed in the authors tab
1264  * of the secondary credits dialog.
1265  *
1266  * Since: 2.6
1267  **/
1268 void
1269 gtk_about_dialog_set_authors (GtkAboutDialog  *about,
1270                               const gchar    **authors)
1271 {
1272   GtkAboutDialogPrivate *priv;
1273   gchar **tmp;
1274
1275   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1276
1277   priv = (GtkAboutDialogPrivate *)about->private_data;
1278
1279   tmp = priv->authors;
1280   priv->authors = g_strdupv ((gchar **)authors);
1281   g_strfreev (tmp);
1282
1283   if (priv->authors != NULL)
1284     gtk_widget_show (priv->credits_button);
1285
1286   g_object_notify (G_OBJECT (about), "authors");
1287 }
1288
1289 /**
1290  * gtk_about_dialog_get_documenters:
1291  * @about: a #GtkAboutDialog
1292  *
1293  * Returns the string which are displayed in the documenters
1294  * tab of the secondary credits dialog.
1295  *
1296  * Return value: A %NULL-terminated string array containing
1297  *  the documenters. The array is owned by the about dialog
1298  *  and must not be modified.
1299  *
1300  * Since: 2.6
1301  **/
1302 G_CONST_RETURN gchar * G_CONST_RETURN *
1303 gtk_about_dialog_get_documenters (GtkAboutDialog *about)
1304 {
1305   GtkAboutDialogPrivate *priv;
1306
1307   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1308
1309   priv = (GtkAboutDialogPrivate *)about->private_data;
1310
1311   return (const gchar * const *)priv->documenters;
1312 }
1313
1314 /**
1315  * gtk_about_dialog_set_documenters:
1316  * @about: a #GtkAboutDialog
1317  * @documenters: a %NULL-terminated array of strings
1318  *
1319  * Sets the strings which are displayed in the documenters tab
1320  * of the secondary credits dialog.
1321  *
1322  * Since: 2.6
1323  **/
1324 void
1325 gtk_about_dialog_set_documenters (GtkAboutDialog *about,
1326                                   const gchar   **documenters)
1327 {
1328   GtkAboutDialogPrivate *priv;
1329   gchar **tmp;
1330
1331   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1332
1333   priv = (GtkAboutDialogPrivate *)about->private_data;
1334
1335   tmp = priv->documenters;
1336   priv->documenters = g_strdupv ((gchar **)documenters);
1337   g_strfreev (tmp);
1338
1339   if (priv->documenters != NULL)
1340     gtk_widget_show (priv->credits_button);
1341
1342   g_object_notify (G_OBJECT (about), "documenters");
1343 }
1344
1345 /**
1346  * gtk_about_dialog_get_artists:
1347  * @about: a #GtkAboutDialog
1348  *
1349  * Returns the string which are displayed in the artists tab
1350  * of the secondary credits dialog.
1351  *
1352  * Return value: A %NULL-terminated string array containing
1353  *  the artists. The array is owned by the about dialog
1354  *  and must not be modified.
1355  *
1356  * Since: 2.6
1357  **/
1358 G_CONST_RETURN gchar * G_CONST_RETURN *
1359 gtk_about_dialog_get_artists (GtkAboutDialog *about)
1360 {
1361   GtkAboutDialogPrivate *priv;
1362
1363   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1364
1365   priv = (GtkAboutDialogPrivate *)about->private_data;
1366
1367   return (const gchar * const *)priv->artists;
1368 }
1369
1370 /**
1371  * gtk_about_dialog_set_artists:
1372  * @about: a #GtkAboutDialog
1373  * @artists: a %NULL-terminated array of strings
1374  *
1375  * Sets the strings which are displayed in the artists tab
1376  * of the secondary credits dialog.
1377  *
1378  * Since: 2.6
1379  **/
1380 void
1381 gtk_about_dialog_set_artists (GtkAboutDialog *about,
1382                               const gchar   **artists)
1383 {
1384   GtkAboutDialogPrivate *priv;
1385   gchar **tmp;
1386
1387   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1388
1389   priv = (GtkAboutDialogPrivate *)about->private_data;
1390
1391   tmp = priv->artists;
1392   priv->artists = g_strdupv ((gchar **)artists);
1393   g_strfreev (tmp);
1394
1395   if (priv->artists != NULL)
1396     gtk_widget_show (priv->credits_button);
1397
1398   g_object_notify (G_OBJECT (about), "artists");
1399 }
1400
1401 /**
1402  * gtk_about_dialog_get_translator_credits:
1403  * @about: a #GtkAboutDialog
1404  *
1405  * Returns the translator credits string which is displayed
1406  * in the translators tab of the secondary credits dialog.
1407  *
1408  * Return value: The translator credits string. The string is
1409  *   owned by the about dialog and must not be modified.
1410  *
1411  * Since: 2.6
1412  **/
1413 G_CONST_RETURN gchar *
1414 gtk_about_dialog_get_translator_credits (GtkAboutDialog *about)
1415 {
1416   GtkAboutDialogPrivate *priv;
1417
1418   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1419
1420   priv = (GtkAboutDialogPrivate *)about->private_data;
1421
1422   return priv->translator_credits;
1423 }
1424
1425 /**
1426  * gtk_about_dialog_set_translator_credits:
1427  * @about: a #GtkAboutDialog
1428  * @translator_credits: the translator credits
1429  *
1430  * Sets the translator credits string which is displayed in
1431  * the translators tab of the secondary credits dialog.
1432  *
1433  * The intended use for this string is to display the translator
1434  * of the language which is currently used in the user interface.
1435  * Using gettext(), a simple way to achieve that is to mark the
1436  * string for translation:
1437  * <informalexample><programlisting>
1438  *  gtk_about_dialog_set_translator_credits (about, _("translator-credits"));
1439  * </programlisting></informalexample>
1440  * It is a good idea to use the customary msgid "translator-credits" for this
1441  * purpose, since translators will already know the purpose of that msgid, and
1442  * since #GtkAboutDialog will detect if "translator-credits" is untranslated
1443  * and hide the tab.
1444  *
1445  * Since: 2.6
1446  **/
1447 void
1448 gtk_about_dialog_set_translator_credits (GtkAboutDialog *about,
1449                                          const gchar    *translator_credits)
1450 {
1451   GtkAboutDialogPrivate *priv;
1452   gchar *tmp;
1453
1454   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1455
1456   priv = (GtkAboutDialogPrivate *)about->private_data;
1457
1458   tmp = priv->translator_credits;
1459   priv->translator_credits = g_strdup (translator_credits);
1460   g_free (tmp);
1461
1462   if (priv->translator_credits != NULL)
1463     gtk_widget_show (priv->credits_button);
1464
1465   g_object_notify (G_OBJECT (about), "translator-credits");
1466 }
1467
1468 /**
1469  * gtk_about_dialog_get_logo:
1470  * @about: a #GtkAboutDialog
1471  *
1472  * Returns the pixbuf displayed as logo in the about dialog.
1473  *
1474  * Return value: the pixbuf displayed as logo. The pixbuf is
1475  *   owned by the about dialog. If you want to keep a reference
1476  *   to it, you have to call g_object_ref() on it.
1477  *
1478  * Since: 2.6
1479  **/
1480 GdkPixbuf *
1481 gtk_about_dialog_get_logo (GtkAboutDialog *about)
1482 {
1483   GtkAboutDialogPrivate *priv;
1484
1485   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1486
1487   priv = (GtkAboutDialogPrivate *)about->private_data;
1488
1489   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1490     return gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image));
1491   else
1492     return NULL;
1493 }
1494
1495 static GtkIconSet *
1496 icon_set_new_from_pixbufs (GList *pixbufs)
1497 {
1498   GtkIconSet *icon_set = gtk_icon_set_new ();
1499
1500   for (; pixbufs; pixbufs = pixbufs->next)
1501     {
1502       GdkPixbuf *pixbuf = GDK_PIXBUF (pixbufs->data);
1503
1504       GtkIconSource *icon_source = gtk_icon_source_new ();
1505       gtk_icon_source_set_pixbuf (icon_source, pixbuf);
1506       gtk_icon_set_add_source (icon_set, icon_source);
1507       gtk_icon_source_free (icon_source);
1508     }
1509
1510   return icon_set;
1511 }
1512
1513 /**
1514  * gtk_about_dialog_set_logo:
1515  * @about: a #GtkAboutDialog
1516  * @logo: a #GdkPixbuf, or %NULL
1517  *
1518  * Sets the pixbuf to be displayed as logo in
1519  * the about dialog. If it is %NULL, the default
1520  * window icon set with gtk_window_set_default_icon ()
1521  * will be used.
1522  *
1523  * Since: 2.6
1524  **/
1525 void
1526 gtk_about_dialog_set_logo (GtkAboutDialog *about,
1527                            GdkPixbuf      *logo)
1528 {
1529   GtkAboutDialogPrivate *priv;
1530
1531   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1532
1533   priv = (GtkAboutDialogPrivate *)about->private_data;
1534
1535   g_object_freeze_notify (G_OBJECT (about));
1536
1537   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1538     g_object_notify (G_OBJECT (about), "logo-icon-name");
1539
1540   if (logo != NULL)
1541     gtk_image_set_from_pixbuf (GTK_IMAGE (priv->logo_image), logo);
1542   else
1543     {
1544       GList *pixbufs = gtk_window_get_default_icon_list ();
1545
1546       if (pixbufs != NULL)
1547         {
1548           GtkIconSet *icon_set = icon_set_new_from_pixbufs (pixbufs);
1549
1550           gtk_image_set_from_icon_set (GTK_IMAGE (priv->logo_image),
1551                                        icon_set, GTK_ICON_SIZE_DIALOG);
1552
1553           gtk_icon_set_unref (icon_set);
1554           g_list_free (pixbufs);
1555         }
1556     }
1557
1558   g_object_notify (G_OBJECT (about), "logo");
1559
1560   g_object_thaw_notify (G_OBJECT (about));
1561 }
1562
1563 /**
1564  * gtk_about_dialog_get_logo_icon_name:
1565  * @about: a #GtkAboutDialog
1566  *
1567  * Returns the icon name displayed as logo in the about dialog.
1568  *
1569  * Return value: the icon name displayed as logo. The string is
1570  *   owned by the dialog. If you want to keep a reference
1571  *   to it, you have to call g_strdup() on it.
1572  *
1573  * Since: 2.6
1574  **/
1575 G_CONST_RETURN gchar *
1576 gtk_about_dialog_get_logo_icon_name (GtkAboutDialog *about)
1577 {
1578   GtkAboutDialogPrivate *priv;
1579   const gchar *icon_name = NULL;
1580
1581   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1582
1583   priv = (GtkAboutDialogPrivate *)about->private_data;
1584
1585   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1586     gtk_image_get_icon_name (GTK_IMAGE (priv->logo_image), &icon_name, NULL);
1587
1588   return icon_name;
1589 }
1590
1591 /**
1592  * gtk_about_dialog_set_logo_icon_name:
1593  * @about: a #GtkAboutDialog
1594  * @icon_name: an icon name, or %NULL
1595  *
1596  * Sets the pixbuf to be displayed as logo in
1597  * the about dialog. If it is %NULL, the default
1598  * window icon set with gtk_window_set_default_icon()
1599  * will be used.
1600  *
1601  * Since: 2.6
1602  **/
1603 void
1604 gtk_about_dialog_set_logo_icon_name (GtkAboutDialog *about,
1605                                      const gchar    *icon_name)
1606 {
1607   GtkAboutDialogPrivate *priv;
1608
1609   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1610
1611   priv = (GtkAboutDialogPrivate *)about->private_data;
1612
1613   g_object_freeze_notify (G_OBJECT (about));
1614
1615   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1616     g_object_notify (G_OBJECT (about), "logo");
1617
1618   gtk_image_set_from_icon_name (GTK_IMAGE (priv->logo_image), icon_name,
1619                                 GTK_ICON_SIZE_DIALOG);
1620   g_object_notify (G_OBJECT (about), "logo-icon-name");
1621
1622   g_object_thaw_notify (G_OBJECT (about));
1623 }
1624
1625 static void
1626 activate_url (GtkWidget *widget,
1627               gpointer   data)
1628 {
1629   GtkAboutDialog *about = GTK_ABOUT_DIALOG (data);
1630   gchar *url = g_object_get_data (G_OBJECT (widget), "url");
1631
1632   if (activate_url_hook != NULL)
1633     (* activate_url_hook) (about, url, activate_url_hook_data);
1634 }
1635
1636 static void
1637 set_link_button_text (GtkWidget *about,
1638                       GtkWidget *button,
1639                       gchar     *text)
1640 {
1641   GtkWidget *label;
1642   gchar *link;
1643   GdkColor *style_link_color;
1644   GdkColor link_color = { 0, 0, 0, 0xffff };
1645
1646   gtk_widget_ensure_style (about);
1647   gtk_widget_style_get (about, "link_color", &style_link_color, NULL);
1648   if (style_link_color)
1649     {
1650       link_color = *style_link_color;
1651       gdk_color_free (style_link_color);
1652     }
1653
1654   link = g_markup_printf_escaped ("<span foreground=\"#%04x%04x%04x\" underline=\"single\">%s</span>",
1655                                   link_color.red, link_color.green, link_color.blue, text);
1656
1657   label = gtk_bin_get_child (GTK_BIN (button));
1658   gtk_label_set_markup (GTK_LABEL (label), link);
1659   g_free (link);
1660 }
1661
1662 static gboolean
1663 link_button_enter (GtkWidget        *widget,
1664                    GdkEventCrossing *event,
1665                    GtkAboutDialog   *about)
1666 {
1667   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1668   gdk_window_set_cursor (widget->window, priv->hand_cursor);
1669
1670   return FALSE;
1671 }
1672
1673 static gboolean
1674 link_button_leave (GtkWidget        *widget,
1675                    GdkEventCrossing *event,
1676                    GtkAboutDialog   *about)
1677 {
1678   gdk_window_set_cursor (widget->window, NULL);
1679
1680   return FALSE;
1681 }
1682
1683 static GtkWidget *
1684 create_link_button (GtkWidget *about,
1685                     gchar     *text,
1686                     gchar     *url,
1687                     GCallback  callback,
1688                     gpointer   data)
1689 {
1690   GtkWidget *button;
1691
1692   button = gtk_button_new_with_label ("");
1693   GTK_WIDGET_UNSET_FLAGS (button, GTK_RECEIVES_DEFAULT);
1694   gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
1695
1696   g_object_set_data_full (G_OBJECT (button), "url", g_strdup (url), g_free);
1697   set_link_button_text (about, button, text);
1698
1699   g_signal_connect (button, "clicked", callback, data);
1700   g_signal_connect (button, "enter_notify_event",
1701                     G_CALLBACK (link_button_enter), data);
1702   g_signal_connect (button, "leave_notify_event",
1703                     G_CALLBACK (link_button_leave), data);
1704
1705   return button;
1706 }
1707
1708 static void
1709 follow_if_link (GtkAboutDialog *about,
1710                 GtkTextIter    *iter)
1711 {
1712   GSList *tags = NULL, *tagp = NULL;
1713
1714   tags = gtk_text_iter_get_tags (iter);
1715   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
1716     {
1717       GtkTextTag *tag = tagp->data;
1718       gchar *email = g_object_get_data (G_OBJECT (tag), "email");
1719       gchar *url = g_object_get_data (G_OBJECT (tag), "url");
1720
1721       if (email != NULL && activate_email_hook != NULL)
1722         {
1723           (* activate_email_hook) (about, email, activate_email_hook_data);
1724           break;
1725         }
1726
1727       if (url != NULL && activate_url_hook != NULL)
1728         {
1729           (* activate_url_hook) (about, url, activate_url_hook_data);
1730           break;
1731         }
1732     }
1733
1734   if (tags)
1735     g_slist_free (tags);
1736 }
1737
1738 static gboolean
1739 credits_key_press_event (GtkWidget      *text_view,
1740                          GdkEventKey    *event,
1741                          GtkAboutDialog *about)
1742 {
1743   GtkTextIter iter;
1744   GtkTextBuffer *buffer;
1745
1746   switch (event->keyval)
1747     {
1748       case GDK_Return:
1749       case GDK_KP_Enter:
1750         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1751         gtk_text_buffer_get_iter_at_mark (buffer, &iter,
1752                                           gtk_text_buffer_get_insert (buffer));
1753         follow_if_link (about, &iter);
1754         break;
1755
1756       default:
1757         break;
1758     }
1759
1760   return FALSE;
1761 }
1762
1763 static gboolean
1764 credits_event_after (GtkWidget      *text_view,
1765                      GdkEvent       *event,
1766                      GtkAboutDialog *about)
1767 {
1768   GtkTextIter start, end, iter;
1769   GtkTextBuffer *buffer;
1770   GdkEventButton *button_event;
1771   gint x, y;
1772
1773   if (event->type != GDK_BUTTON_RELEASE)
1774     return FALSE;
1775
1776   button_event = (GdkEventButton *)event;
1777
1778   if (button_event->button != 1)
1779     return FALSE;
1780
1781   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1782
1783   /* we shouldn't follow a link if the user has selected something */
1784   gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
1785   if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end))
1786     return FALSE;
1787
1788   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1789                                          GTK_TEXT_WINDOW_WIDGET,
1790                                          button_event->x, button_event->y, &x, &y);
1791
1792   gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (text_view), &iter, x, y);
1793
1794   follow_if_link (about, &iter);
1795
1796   return FALSE;
1797 }
1798
1799 static void
1800 set_cursor_if_appropriate (GtkAboutDialog *about,
1801                            GtkTextView    *text_view,
1802                            gint            x,
1803                            gint            y)
1804 {
1805   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1806   GSList *tags = NULL, *tagp = NULL;
1807   GtkTextBuffer *buffer;
1808   GtkTextIter iter;
1809   gboolean hovering_over_link = FALSE;
1810
1811   buffer = gtk_text_view_get_buffer (text_view);
1812
1813   gtk_text_view_get_iter_at_location (text_view, &iter, x, y);
1814
1815   tags = gtk_text_iter_get_tags (&iter);
1816   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
1817     {
1818       GtkTextTag *tag = tagp->data;
1819       gchar *email = g_object_get_data (G_OBJECT (tag), "email");
1820       gchar *url = g_object_get_data (G_OBJECT (tag), "url");
1821
1822       if (email != NULL || url != NULL)
1823         {
1824           hovering_over_link = TRUE;
1825           break;
1826         }
1827     }
1828
1829   if (hovering_over_link != priv->hovering_over_link)
1830     {
1831       priv->hovering_over_link = hovering_over_link;
1832
1833       if (hovering_over_link)
1834         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->hand_cursor);
1835       else
1836         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->regular_cursor);
1837     }
1838
1839   if (tags)
1840     g_slist_free (tags);
1841 }
1842
1843 static gboolean
1844 credits_motion_notify_event (GtkWidget *text_view,
1845                              GdkEventMotion *event,
1846                              GtkAboutDialog *about)
1847 {
1848   gint x, y;
1849
1850   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1851                                          GTK_TEXT_WINDOW_WIDGET,
1852                                          event->x, event->y, &x, &y);
1853
1854   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), x, y);
1855
1856   gdk_window_get_pointer (text_view->window, NULL, NULL, NULL);
1857
1858   return FALSE;
1859 }
1860
1861
1862 static gboolean
1863 credits_visibility_notify_event (GtkWidget          *text_view,
1864                                  GdkEventVisibility *event,
1865                                  GtkAboutDialog     *about)
1866 {
1867   gint wx, wy, bx, by;
1868
1869   gdk_window_get_pointer (text_view->window, &wx, &wy, NULL);
1870
1871   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1872                                          GTK_TEXT_WINDOW_WIDGET,
1873                                          wx, wy, &bx, &by);
1874
1875   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), bx, by);
1876
1877   return FALSE;
1878 }
1879
1880 static void
1881 text_view_style_set (GtkWidget *widget, GtkStyle *prev_style, GtkWidget *text_view)
1882 {
1883   gtk_widget_modify_base (text_view, GTK_STATE_NORMAL,
1884                           &widget->style->bg[GTK_STATE_NORMAL]);
1885 }
1886
1887 static void
1888 add_credits_page (GtkAboutDialog *about,
1889                   GtkWidget      *notebook,
1890                   gchar          *title,
1891                   gchar         **people)
1892 {
1893   gchar **p;
1894   gchar *q0, *q1, *q2, *r1, *r2;
1895   GtkWidget *sw, *view;
1896   GtkTextBuffer *buffer;
1897   gboolean linkify_email, linkify_urls;
1898   GdkColor *style_link_color;
1899   GdkColor link_color = { 0, 0, 0, 0xffff };
1900
1901   linkify_email = (activate_email_hook != NULL);
1902   linkify_urls = (activate_url_hook != NULL);
1903
1904   gtk_widget_ensure_style (GTK_WIDGET (about));
1905   gtk_widget_style_get (GTK_WIDGET (about), "link_color", &style_link_color, NULL);
1906   if (style_link_color)
1907     {
1908       link_color = *style_link_color;
1909       gdk_color_free (style_link_color);
1910     }
1911
1912   view = gtk_text_view_new ();
1913   g_signal_connect_object (about, "style_set",
1914                            G_CALLBACK (text_view_style_set), view, 0);
1915
1916   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
1917   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
1918   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
1919
1920   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
1921   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
1922
1923   g_signal_connect (view, "key-press-event",
1924                     G_CALLBACK (credits_key_press_event), about);
1925   g_signal_connect (view, "event-after",
1926                     G_CALLBACK (credits_event_after), about);
1927   g_signal_connect (view, "motion-notify-event",
1928                     G_CALLBACK (credits_motion_notify_event), about);
1929   g_signal_connect (view, "visibility-notify-event",
1930                     G_CALLBACK (credits_visibility_notify_event), about);
1931
1932   sw = gtk_scrolled_window_new (NULL, NULL);
1933   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
1934                                        GTK_SHADOW_IN);
1935   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
1936                                   GTK_POLICY_AUTOMATIC,
1937                                   GTK_POLICY_AUTOMATIC);
1938   gtk_container_add (GTK_CONTAINER (sw), view);
1939
1940   gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
1941                             sw, gtk_label_new (title));
1942
1943   if (people == NULL)
1944     {
1945       gtk_widget_hide (view);
1946       return;
1947     }
1948   else
1949     gtk_widget_show (view);
1950
1951   for (p = people; *p; p++)
1952     {
1953       q0  = *p;
1954       while (*q0)
1955         {
1956           q1 = linkify_email ? strchr (q0, '<') : NULL;
1957           q2 = q1 ? strchr (q1, '>') : NULL;
1958           r1 = linkify_urls ? strstr (q0, "http://") : NULL;
1959           if (r1)
1960             {
1961               r2 = strpbrk (r1, " \n\t");
1962               if (!r2)
1963                 r2 = strchr (r1, '\0');
1964             }
1965           else
1966             r2 = NULL;
1967
1968           if (r1 && r2 && (!q1 || !q2 || (r1 < q1)))
1969             {
1970               q1 = r1;
1971               q2 = r2;
1972             }
1973
1974           if (q1 && q2)
1975             {
1976               GtkTextIter end;
1977               gchar *link;
1978               gchar *link_type;
1979               GtkTextTag *tag;
1980
1981               gtk_text_buffer_insert_at_cursor (buffer, q0, q1 - q0);
1982               gtk_text_buffer_get_end_iter (buffer, &end);
1983
1984               q0 = q2;
1985
1986               if (*q1 == '<')
1987                 {
1988                   q1++;
1989                   q0++;
1990                   link_type = "email";
1991                 }
1992               else
1993                 link_type = "url";
1994
1995               link = g_strndup (q1, q2 - q1);
1996               tag = gtk_text_buffer_create_tag (buffer, NULL,
1997                                                 "foreground_gdk", &link_color,
1998                                                 "underline", PANGO_UNDERLINE_SINGLE,
1999                                                 NULL);
2000               g_object_set_data_full (G_OBJECT (tag), link_type, g_strdup (link), g_free);
2001               gtk_text_buffer_insert_with_tags (buffer, &end, link, -1, tag, NULL);
2002
2003               g_free (link);
2004             }
2005           else
2006             {
2007               gtk_text_buffer_insert_at_cursor (buffer, q0, -1);
2008               break;
2009             }
2010         }
2011
2012       if (p[1])
2013         gtk_text_buffer_insert_at_cursor (buffer, "\n", 1);
2014     }
2015 }
2016
2017 static void
2018 display_credits_dialog (GtkWidget *button,
2019                         gpointer   data)
2020 {
2021   GtkAboutDialog *about = (GtkAboutDialog *)data;
2022   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
2023   GtkWidget *dialog, *notebook;
2024
2025   if (priv->credits_dialog != NULL)
2026     {
2027       gtk_window_present (GTK_WINDOW (priv->credits_dialog));
2028       return;
2029     }
2030
2031   dialog = gtk_dialog_new_with_buttons (_("Credits"),
2032                                         GTK_WINDOW (about),
2033                                         GTK_DIALOG_DESTROY_WITH_PARENT,
2034                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
2035                                         NULL);
2036   gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
2037
2038   priv->credits_dialog = dialog;
2039   gtk_window_set_default_size (GTK_WINDOW (dialog), 360, 260);
2040   gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
2041
2042   gtk_window_set_modal (GTK_WINDOW (dialog),
2043                         gtk_window_get_modal (GTK_WINDOW (about)));
2044
2045   g_signal_connect (dialog, "response",
2046                     G_CALLBACK (gtk_widget_destroy), dialog);
2047   g_signal_connect (dialog, "destroy",
2048                     G_CALLBACK (gtk_widget_destroyed),
2049                     &(priv->credits_dialog));
2050   g_signal_connect (dialog, "style_set",
2051                     G_CALLBACK (dialog_style_set), NULL);
2052
2053   notebook = gtk_notebook_new ();
2054   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), notebook, TRUE, TRUE, 0);
2055
2056   if (priv->authors != NULL)
2057     add_credits_page (about, notebook, _("Written by"), priv->authors);
2058
2059   if (priv->documenters != NULL)
2060     add_credits_page (about, notebook, _("Documented by"), priv->documenters);
2061
2062   /* Don't show an untranslated gettext msgid */
2063   if (priv->translator_credits != NULL &&
2064       strcmp (priv->translator_credits, "translator_credits") &&
2065       strcmp (priv->translator_credits, "translator-credits"))
2066     {
2067       gchar *translators[2];
2068
2069       translators[0] = priv->translator_credits;
2070       translators[1] = NULL;
2071
2072       add_credits_page (about, notebook, _("Translated by"), translators);
2073     }
2074
2075   if (priv->artists != NULL)
2076     add_credits_page (about, notebook, _("Artwork by"), priv->artists);
2077
2078   gtk_widget_show_all (dialog);
2079 }
2080
2081 static void
2082 set_policy (GtkWidget *sw)
2083 {
2084   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
2085                                   GTK_POLICY_AUTOMATIC,
2086                                   GTK_POLICY_AUTOMATIC);
2087 }
2088
2089 static void
2090 display_license_dialog (GtkWidget *button,
2091                         gpointer   data)
2092 {
2093   GtkAboutDialog *about = (GtkAboutDialog *)data;
2094   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
2095   GtkWidget *dialog, *view, *sw;
2096
2097   if (priv->license_dialog != NULL)
2098     {
2099       gtk_window_present (GTK_WINDOW (priv->license_dialog));
2100       return;
2101     }
2102
2103   dialog = gtk_dialog_new_with_buttons (_("License"),
2104                                         GTK_WINDOW (about),
2105                                         GTK_DIALOG_DESTROY_WITH_PARENT,
2106                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
2107                                         NULL);
2108   gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
2109   priv->license_dialog = dialog;
2110   gtk_window_set_default_size (GTK_WINDOW (dialog), 420, 320);
2111   gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
2112
2113   gtk_window_set_modal (GTK_WINDOW (dialog),
2114                         gtk_window_get_modal (GTK_WINDOW (about)));
2115
2116   g_signal_connect (dialog, "response",
2117                     G_CALLBACK (gtk_widget_destroy), dialog);
2118   g_signal_connect (dialog, "destroy",
2119                     G_CALLBACK (gtk_widget_destroyed),
2120                     &(priv->license_dialog));
2121   g_signal_connect (dialog, "style_set",
2122                     G_CALLBACK (dialog_style_set), NULL);
2123
2124   sw = gtk_scrolled_window_new (NULL, NULL);
2125   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
2126                                        GTK_SHADOW_IN);
2127   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
2128                                   GTK_POLICY_NEVER,
2129                                   GTK_POLICY_AUTOMATIC);
2130   g_signal_connect (sw, "map", G_CALLBACK (set_policy), NULL);
2131   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), sw, TRUE, TRUE, 0);
2132
2133   view = gtk_text_view_new ();
2134   gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (view),
2135                                priv->wrap_license ? GTK_WRAP_WORD : GTK_WRAP_NONE);
2136   gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)),
2137                             priv->license, -1);
2138
2139   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
2140   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
2141
2142   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
2143   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
2144
2145   gtk_container_add (GTK_CONTAINER (sw), view);
2146
2147   gtk_widget_show_all (dialog);
2148 }
2149
2150 static void
2151 close_cb (GtkAboutDialog *about)
2152 {
2153   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
2154
2155   if (priv->license_dialog != NULL)
2156     {
2157       gtk_widget_destroy (priv->license_dialog);
2158       priv->license_dialog = NULL;
2159     }
2160
2161   if (priv->credits_dialog != NULL)
2162     {
2163       gtk_widget_destroy (priv->credits_dialog);
2164       priv->credits_dialog = NULL;
2165     }
2166
2167   gtk_widget_hide (GTK_WIDGET (about));
2168
2169 }
2170
2171 /**
2172  * gtk_about_dialog_new:
2173  *
2174  * Creates a new #GtkAboutDialog.
2175  *
2176  * Returns: a newly created #GtkAboutDialog
2177  *
2178  * Since: 2.6
2179  */
2180 GtkWidget *
2181 gtk_about_dialog_new (void)
2182 {
2183   GtkAboutDialog *dialog = g_object_new (GTK_TYPE_ABOUT_DIALOG, NULL);
2184
2185   return GTK_WIDGET (dialog);
2186 }
2187
2188 /**
2189  * gtk_about_dialog_set_email_hook:
2190  * @func: a function to call when an email link is activated.
2191  * @data: data to pass to @func
2192  * @destroy: #GDestroyNotify for @data
2193  *
2194  * Installs a global function to be called whenever the user activates an
2195  * email link in an about dialog.
2196  *
2197  * Return value: the previous email hook.
2198  *
2199  * Since: 2.6
2200  */
2201 GtkAboutDialogActivateLinkFunc
2202 gtk_about_dialog_set_email_hook (GtkAboutDialogActivateLinkFunc func,
2203                                  gpointer                       data,
2204                                  GDestroyNotify                 destroy)
2205 {
2206   GtkAboutDialogActivateLinkFunc old;
2207
2208   if (activate_email_hook_destroy != NULL)
2209     (* activate_email_hook_destroy) (activate_email_hook_data);
2210
2211   old = activate_email_hook;
2212
2213   activate_email_hook = func;
2214   activate_email_hook_data = data;
2215   activate_email_hook_destroy = destroy;
2216
2217   return old;
2218 }
2219
2220 /**
2221  * gtk_about_dialog_set_url_hook:
2222  * @func: a function to call when a URL link is activated.
2223  * @data: data to pass to @func
2224  * @destroy: #GDestroyNotify for @data
2225  *
2226  * Installs a global function to be called whenever the user activates a
2227  * URL link in an about dialog.
2228  *
2229  * Return value: the previous URL hook.
2230  *
2231  * Since: 2.6
2232  */
2233 GtkAboutDialogActivateLinkFunc
2234 gtk_about_dialog_set_url_hook (GtkAboutDialogActivateLinkFunc func,
2235                                gpointer                       data,
2236                                GDestroyNotify                 destroy)
2237 {
2238   GtkAboutDialogActivateLinkFunc old;
2239
2240   if (activate_url_hook_destroy != NULL)
2241     (* activate_url_hook_destroy) (activate_url_hook_data);
2242
2243   old = activate_url_hook;
2244
2245   activate_url_hook = func;
2246   activate_url_hook_data = data;
2247   activate_url_hook_destroy = destroy;
2248
2249   return old;
2250 }
2251
2252 /**
2253  * gtk_show_about_dialog:
2254  * @parent: transient parent, or %NULL for none
2255  * @first_property_name: the name of the first property
2256  * @Varargs: value of first property, followed by more properties, %NULL-terminated
2257  *
2258  * This is a convenience function for showing an application's about box.
2259  * The constructed dialog is associated with the parent window and
2260  * reused for future invocations of this function.
2261  *
2262  * Since: 2.6
2263  */
2264 void
2265 gtk_show_about_dialog (GtkWindow   *parent,
2266                        const gchar *first_property_name,
2267                        ...)
2268 {
2269   static GtkWidget *global_about_dialog = NULL;
2270   GtkWidget *dialog = NULL;
2271   va_list var_args;
2272
2273   if (parent)
2274     dialog = g_object_get_data (G_OBJECT (parent), "gtk-about-dialog");
2275   else
2276     dialog = global_about_dialog;
2277
2278   if (!dialog)
2279     {
2280       dialog = gtk_about_dialog_new ();
2281
2282       g_object_ref (dialog);
2283       gtk_object_sink (GTK_OBJECT (dialog));
2284
2285       g_signal_connect (dialog, "delete_event", G_CALLBACK (gtk_widget_hide_on_delete), NULL);
2286
2287       va_start (var_args, first_property_name);
2288       g_object_set_valist (G_OBJECT (dialog), first_property_name, var_args);
2289       va_end (var_args);
2290
2291       if (parent)
2292         {
2293           gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);
2294           gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
2295           g_object_set_data_full (G_OBJECT (parent), "gtk-about-dialog",
2296                                   dialog, g_object_unref);
2297         }
2298       else
2299         global_about_dialog = dialog;
2300
2301     }
2302
2303   gtk_window_present (GTK_WINDOW (dialog));
2304 }
2305
2306 #define __GTK_ABOUT_DIALOG_C__
2307 #include "gtkaliasdef.c"