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
 183   object_class = (GObjectClass *)klass;
 184   widget_class = (GtkWidgetClass *)klass;
 185
 186   object_class->set_property = gtk_about_dialog_set_property;
 187   object_class->get_property = gtk_about_dialog_get_property;
 188
 189   object_class->finalize = gtk_about_dialog_finalize;
 190
 191   widget_class->style_set = gtk_about_dialog_style_set;
 192
 193   /**
 194    * GtkAboutDialog:name:
 195    *
 196    * The name of the program.
 197    * If this is not set, it defaults to g_get_application_name().
 198    *
 199    * Since: 2.6
 200    */
 201   g_object_class_install_property (object_class,
 202                                    PROP_NAME,
 203                                    g_param_spec_string ("name",
 204                                                         P_("Program name"),
 205                                                         P_("The name of the program. If this is not set, it defaults to g_get_application_name()"),
 206                                                         NULL,
 207                                                         GTK_PARAM_READWRITE));
 208
 209   /**
 210    * GtkAboutDialog:version:
 211    *
 212    * The version of the program.
 213    *
 214    * Since: 2.6
 215    */
 216   g_object_class_install_property (object_class,
 217                                    PROP_VERSION,
 218                                    g_param_spec_string ("version",
 219                                                         P_("Program version"),
 220                                                         P_("The version of the program"),
 221                                                         NULL,
 222                                                         GTK_PARAM_READWRITE));
 223
 224   /**
 225    * GtkAboutDialog:copyright:
 226    *
 227    * Copyright information for the program.
 228    *
 229    * Since: 2.6
 230    */
 231   g_object_class_install_property (object_class,
 232                                    PROP_COPYRIGHT,
 233                                    g_param_spec_string ("copyright",
 234                                                         P_("Copyright string"),
 235                                                         P_("Copyright information for the program"),
 236                                                         NULL,
 237                                                         GTK_PARAM_READWRITE));
 238
 239
 240   /**
 241    * GtkAboutDialog:comments:
 242    *
 243    * Comments about the program. This string is displayed in a label
 244    * in the main dialog, thus it should be a short explanation of
 245    * the main purpose of the program, not a detailed list of features.
 246    *
 247    * Since: 2.6
 248    */
 249   g_object_class_install_property (object_class,
 250                                    PROP_COMMENTS,
 251                                    g_param_spec_string ("comments",
 252                                                         P_("Comments string"),
 253                                                         P_("Comments about the program"),
 254                                                         NULL,
 255                                                         GTK_PARAM_READWRITE));
 256
 257   /**
 258    * GtkAboutDialog:license:
 259    *
 260    * The license of the program. This string is displayed in a
 261    * text view in a secondary dialog, therefore it is fine to use
 262    * a long multi-paragraph text. Note that the text is only wrapped
 263    * in the text view if the "wrap-license" property is set to %TRUE;
 264    * otherwise the text itself must contain the intended linebreaks.
 265    *
 266    * Since: 2.6
 267    */
 268   g_object_class_install_property (object_class,
 269                                    PROP_LICENSE,
 270                                    g_param_spec_string ("license",
 271                                                         _("License"),
 272                                                         _("The license of the program"),
 273                                                         NULL,
 274                                                         GTK_PARAM_READWRITE));
 275
 276   /**
 277    * GtkAboutDialog:website:
 278    *
 279    * The URL for the link to the website of the program.
 280    * This should be a string starting with "http://.
 281    *
 282    * Since: 2.6
 283    */
 284   g_object_class_install_property (object_class,
 285                                    PROP_WEBSITE,
 286                                    g_param_spec_string ("website",
 287                                                         P_("Website URL"),
 288                                                         P_("The URL for the link to the website of the program"),
 289                                                         NULL,
 290                                                         GTK_PARAM_READWRITE));
 291
 292   /**
 293    * GtkAboutDialog:website-label:
 294    *
 295    * The label for the link to the website of the program. If this is not set,
 296    * it defaults to the URL specified in the
 297    * <link linkend="GtkAboutDialog--website">website</link> property.
 298    *
 299    * Since: 2.6
 300    */
 301   g_object_class_install_property (object_class,
 302                                    PROP_WEBSITE_LABEL,
 303                                    g_param_spec_string ("website-label",
 304                                                         P_("Website label"),
 305                                                         P_("The label for the link to the website of the program. If this is not set, it defaults to the URL"),
 306                                                         NULL,
 307                                                         GTK_PARAM_READWRITE));
 308
 309   /**
 310    * GtkAboutDialog:authors:
 311    *
 312    * The authors of the program, as a %NULL-terminated array of strings.
 313    * Each string may contain email addresses and URLs, which will be displayed
 314    * as links, see the introduction for more details.
 315    *
 316    * Since: 2.6
 317    */
 318   g_object_class_install_property (object_class,
 319                                    PROP_AUTHORS,
 320                                    g_param_spec_boxed ("authors",
 321                                                        P_("Authors"),
 322                                                        P_("List of authors of the program"),
 323                                                        G_TYPE_STRV,
 324                                                        GTK_PARAM_READWRITE));
 325
 326   /**
 327    * GtkAboutDialog:documenters:
 328    *
 329    * The people documenting the program, as a %NULL-terminated array of strings.
 330    * Each string may contain email addresses and URLs, which will be displayed
 331    * as links, see the introduction for more details.
 332    *
 333    * Since: 2.6
 334    */
 335   g_object_class_install_property (object_class,
 336                                    PROP_DOCUMENTERS,
 337                                    g_param_spec_boxed ("documenters",
 338                                                        P_("Documenters"),
 339                                                        P_("List of people documenting the program"),
 340                                                        G_TYPE_STRV,
 341                                                        GTK_PARAM_READWRITE));
 342
 343   /**
 344    * GtkAboutDialog:artists:
 345    *
 346    * The people who contributed artwork to the program, as a %NULL-terminated array of strings.
 347    * Each string may contain email addresses and URLs, which will be displayed
 348    * as links, see the introduction for more details.
 349    *
 350    * Since: 2.6
 351    */
 352   g_object_class_install_property (object_class,
 353                                    PROP_ARTISTS,
 354                                    g_param_spec_boxed ("artists",
 355                                                        P_("Artists"),
 356                                                        P_("List of people who have contributed artwork to the program"),
 357                                                        G_TYPE_STRV,
 358                                                        GTK_PARAM_READWRITE));
 359
 360
 361   /**
 362    * GtkAboutDialog:translator-credits:
 363    *
 364    * Credits to the translators. This string should be marked as translatable.
 365    * The string may contain email addresses and URLs, which will be displayed
 366    * as links, see the introduction for more details.
 367    *
 368    * Since: 2.6
 369    */
 370   g_object_class_install_property (object_class,
 371                                    PROP_TRANSLATOR_CREDITS,
 372                                    g_param_spec_string ("translator-credits",
 373                                                         P_("Translator credits"),
 374                                                         P_("Credits to the translators. This string should be marked as translatable"),
 375                                                         NULL,
 376                                                         GTK_PARAM_READWRITE));
 377
 378   /**
 379    * GtkAboutDialog:logo:
 380    *
 381    * A logo for the about box. If this is not set, it defaults to
 382    * gtk_window_get_default_icon_list().
 383    *
 384    * Since: 2.6
 385    */
 386   g_object_class_install_property (object_class,
 387                                    PROP_LOGO,
 388                                    g_param_spec_object ("logo",
 389                                                         P_("Logo"),
 390                                                         P_("A logo for the about box. If this is not set, it defaults to gtk_window_get_default_icon_list()"),
 391                                                         GDK_TYPE_PIXBUF,
 392                                                         GTK_PARAM_READWRITE));
 393
 394   /**
 395    * GtkAboutDialog:logo-icon-name:
 396    *
 397    * A named icon to use as the logo for the about box. This property
 398    * overrides the <link linkend="GtkAboutDialog--logo">logo</link> property.
 399    *
 400    * Since: 2.6
 401    */
 402   g_object_class_install_property (object_class,
 403                                    PROP_LOGO_ICON_NAME,
 404                                    g_param_spec_string ("logo-icon-name",
 405                                                         P_("Logo Icon Name"),
 406                                                         P_("A named icon to use as the logo for the about box."),
 407                                                         NULL,
 408                                                         GTK_PARAM_READWRITE));
 409   /**
 410    * GtkAboutDialog:wrap-license:
 411    *
 412    * Whether to wrap the text in the license dialog.
 413    *
 414    * Since: 2.8
 415    */
 416   g_object_class_install_property (object_class,
 417                                    PROP_WRAP_LICENSE,
 418                                    g_param_spec_boolean ("wrap-license",
 419                                                          P_("Wrap license"),
 420                                                          P_("Whether to wrap the license text."),
 421                                                          FALSE,
 422                                                          GTK_PARAM_READWRITE));
 423
 424   /* Style properties */
 425   gtk_widget_class_install_style_property (widget_class,
 426                                            g_param_spec_boxed ("link-color",
 427                                                                P_("Link Color"),
 428                                                                P_("Color of hyperlinks"),
 429                                                                GDK_TYPE_COLOR,
 430                                                                GTK_PARAM_READABLE));
 431
 432   g_type_class_add_private (object_class, sizeof (GtkAboutDialogPrivate));
 433 }
 434
 435 static void
 436 gtk_about_dialog_init (GtkAboutDialog *about)
 437 {
 438   GtkAboutDialogPrivate *priv;
 439   GtkWidget *vbox, *hbox, *button, *image;
 440
 441   /* Data */
 442   priv = GTK_ABOUT_DIALOG_GET_PRIVATE (about);
 443   about->private_data = priv;
 444
 445   priv->name = NULL;
 446   priv->version = NULL;
 447   priv->copyright = NULL;
 448   priv->comments = NULL;
 449   priv->website = NULL;
 450   priv->website_label = NULL;
 451   priv->translator_credits = NULL;
 452   priv->license = NULL;
 453   priv->authors = NULL;
 454   priv->documenters = NULL;
 455   priv->artists = NULL;
 456
 457   priv->hand_cursor = gdk_cursor_new (GDK_HAND2);
 458   priv->regular_cursor = gdk_cursor_new (GDK_XTERM);
 459   priv->hovering_over_link = FALSE;
 460   priv->wrap_license = FALSE;
 461
 462   gtk_dialog_set_has_separator (GTK_DIALOG (about), FALSE);
 463
 464   /* Widgets */
 465   gtk_widget_push_composite_child ();
 466   vbox = gtk_vbox_new (FALSE, 8);
 467
 468   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (about)->vbox), vbox, TRUE, TRUE, 0);
 469
 470   priv->logo_image = gtk_image_new ();
 471   gtk_box_pack_start (GTK_BOX (vbox), priv->logo_image, FALSE, FALSE, 0);
 472
 473   priv->name_label = gtk_label_new (NULL);
 474   gtk_label_set_selectable (GTK_LABEL (priv->name_label), TRUE);
 475   gtk_label_set_justify (GTK_LABEL (priv->name_label), GTK_JUSTIFY_CENTER);
 476   gtk_box_pack_start (GTK_BOX (vbox), priv->name_label, FALSE, FALSE, 0);
 477
 478   priv->comments_label = gtk_label_new (NULL);
 479   gtk_label_set_selectable (GTK_LABEL (priv->comments_label), TRUE);
 480   gtk_label_set_justify (GTK_LABEL (priv->comments_label), GTK_JUSTIFY_CENTER);
 481   gtk_label_set_line_wrap (GTK_LABEL (priv->comments_label), TRUE);
 482   gtk_box_pack_start (GTK_BOX (vbox), priv->comments_label, FALSE, FALSE, 0);
 483
 484   priv->copyright_label = gtk_label_new (NULL);
 485   gtk_label_set_selectable (GTK_LABEL (priv->copyright_label), TRUE);
 486   gtk_label_set_justify (GTK_LABEL (priv->copyright_label), GTK_JUSTIFY_CENTER);
 487   gtk_box_pack_start (GTK_BOX (vbox), priv->copyright_label, FALSE, FALSE, 0);
 488
 489   button = create_link_button (GTK_WIDGET (about), "", "",
 490                                G_CALLBACK (activate_url), about);
 491
 492   hbox = gtk_hbox_new (TRUE, 0);
 493   gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
 494   gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 0);
 495   priv->website_button = button;
 496
 497   gtk_widget_show (vbox);
 498   gtk_widget_show (priv->logo_image);
 499   gtk_widget_show (priv->name_label);
 500   gtk_widget_show (hbox);
 501
 502   /* Add the OK button */
 503   gtk_dialog_add_button (GTK_DIALOG (about), GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
 504   gtk_dialog_set_default_response (GTK_DIALOG (about), GTK_RESPONSE_CLOSE);
 505
 506   /* Add the credits button */
 507   button = gtk_button_new_with_mnemonic (_("C_redits"));
 508   image = gtk_image_new_from_stock (GTK_STOCK_ABOUT, GTK_ICON_SIZE_BUTTON);
 509   gtk_button_set_image (GTK_BUTTON (button), image);
 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                                   I_("url"),
1143                                   g_strdup (website), g_free);
1144           if (priv->website_label == NULL)
1145             gtk_about_dialog_set_website_label (about, website);
1146         }
1147       else
1148         {
1149           GtkWidget *hbox = priv->website_button->parent;
1150           gtk_widget_destroy (priv->website_button);
1151           priv->website_button = gtk_label_new (website);
1152           gtk_label_set_selectable (GTK_LABEL (priv->website_button), TRUE);
1153           gtk_container_add (GTK_CONTAINER (hbox), priv->website_button);
1154           gtk_widget_show (priv->website_button);
1155         }
1156     }
1157   else
1158     {
1159       priv->website = NULL;
1160       g_object_set_data (G_OBJECT (priv->website_button),
1161                          I_("url"), NULL);
1162       gtk_widget_hide (priv->website_button);
1163     }
1164   g_free (tmp);
1165
1166   g_object_notify (G_OBJECT (about), "website");
1167 }
1168
1169 /**
1170  * gtk_about_dialog_get_website_label:
1171  * @about: a #GtkAboutDialog
1172  *
1173  * Returns the label used for the website link.
1174  *
1175  * Return value: The label used for the website link. The string is owned by the about
1176  *  dialog and must not be modified.
1177  *
1178  * Since: 2.6
1179  **/
1180 G_CONST_RETURN gchar *
1181 gtk_about_dialog_get_website_label (GtkAboutDialog *about)
1182 {
1183   GtkAboutDialogPrivate *priv;
1184
1185   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1186
1187   priv = (GtkAboutDialogPrivate *)about->private_data;
1188
1189   return priv->website_label;
1190 }
1191
1192 /**
1193  * gtk_about_dialog_set_website_label:
1194  * @about: a #GtkAboutDialog
1195  * @website_label: the label used for the website link
1196  *
1197  * Sets the label to be used for the website link.
1198  * It defaults to the website URL.
1199  *
1200  * Since: 2.6
1201  **/
1202 void
1203 gtk_about_dialog_set_website_label (GtkAboutDialog *about,
1204                                     const gchar    *website_label)
1205 {
1206   GtkAboutDialogPrivate *priv;
1207   gchar *tmp;
1208
1209   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1210
1211   priv = (GtkAboutDialogPrivate *)about->private_data;
1212
1213   tmp = priv->website_label;
1214   if (activate_url_hook != NULL)
1215     {
1216       if (website_label != NULL)
1217         {
1218           priv->website_label = g_strdup (website_label);
1219           set_link_button_text (GTK_WIDGET (about),
1220                                 priv->website_button,
1221                                 priv->website_label);
1222           gtk_widget_show (priv->website_button);
1223         }
1224       else
1225         {
1226           priv->website_label = NULL;
1227           gtk_widget_hide (priv->website_button);
1228         }
1229     }
1230   g_free (tmp);
1231
1232   g_object_notify (G_OBJECT (about), "website-label");
1233 }
1234
1235 /**
1236  * gtk_about_dialog_get_authors:
1237  * @about: a #GtkAboutDialog
1238  *
1239  * Returns the string which are displayed in the authors tab
1240  * of the secondary credits dialog.
1241  *
1242  * Return value: A %NULL-terminated string array containing
1243  *  the authors. The array is owned by the about dialog
1244  *  and must not be modified.
1245  *
1246  * Since: 2.6
1247  **/
1248 G_CONST_RETURN gchar * G_CONST_RETURN *
1249 gtk_about_dialog_get_authors (GtkAboutDialog *about)
1250 {
1251   GtkAboutDialogPrivate *priv;
1252
1253   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1254
1255   priv = (GtkAboutDialogPrivate *)about->private_data;
1256
1257   return (const gchar * const *) priv->authors;
1258 }
1259
1260 /**
1261  * gtk_about_dialog_set_authors:
1262  * @about: a #GtkAboutDialog
1263  * @authors: a %NULL-terminated array of strings
1264  *
1265  * Sets the strings which are displayed in the authors tab
1266  * of the secondary credits dialog.
1267  *
1268  * Since: 2.6
1269  **/
1270 void
1271 gtk_about_dialog_set_authors (GtkAboutDialog  *about,
1272                               const gchar    **authors)
1273 {
1274   GtkAboutDialogPrivate *priv;
1275   gchar **tmp;
1276
1277   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1278
1279   priv = (GtkAboutDialogPrivate *)about->private_data;
1280
1281   tmp = priv->authors;
1282   priv->authors = g_strdupv ((gchar **)authors);
1283   g_strfreev (tmp);
1284
1285   if (priv->authors != NULL)
1286     gtk_widget_show (priv->credits_button);
1287
1288   g_object_notify (G_OBJECT (about), "authors");
1289 }
1290
1291 /**
1292  * gtk_about_dialog_get_documenters:
1293  * @about: a #GtkAboutDialog
1294  *
1295  * Returns the string which are displayed in the documenters
1296  * tab of the secondary credits dialog.
1297  *
1298  * Return value: A %NULL-terminated string array containing
1299  *  the documenters. The array is owned by the about dialog
1300  *  and must not be modified.
1301  *
1302  * Since: 2.6
1303  **/
1304 G_CONST_RETURN gchar * G_CONST_RETURN *
1305 gtk_about_dialog_get_documenters (GtkAboutDialog *about)
1306 {
1307   GtkAboutDialogPrivate *priv;
1308
1309   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1310
1311   priv = (GtkAboutDialogPrivate *)about->private_data;
1312
1313   return (const gchar * const *)priv->documenters;
1314 }
1315
1316 /**
1317  * gtk_about_dialog_set_documenters:
1318  * @about: a #GtkAboutDialog
1319  * @documenters: a %NULL-terminated array of strings
1320  *
1321  * Sets the strings which are displayed in the documenters tab
1322  * of the secondary credits dialog.
1323  *
1324  * Since: 2.6
1325  **/
1326 void
1327 gtk_about_dialog_set_documenters (GtkAboutDialog *about,
1328                                   const gchar   **documenters)
1329 {
1330   GtkAboutDialogPrivate *priv;
1331   gchar **tmp;
1332
1333   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1334
1335   priv = (GtkAboutDialogPrivate *)about->private_data;
1336
1337   tmp = priv->documenters;
1338   priv->documenters = g_strdupv ((gchar **)documenters);
1339   g_strfreev (tmp);
1340
1341   if (priv->documenters != NULL)
1342     gtk_widget_show (priv->credits_button);
1343
1344   g_object_notify (G_OBJECT (about), "documenters");
1345 }
1346
1347 /**
1348  * gtk_about_dialog_get_artists:
1349  * @about: a #GtkAboutDialog
1350  *
1351  * Returns the string which are displayed in the artists tab
1352  * of the secondary credits dialog.
1353  *
1354  * Return value: A %NULL-terminated string array containing
1355  *  the artists. The array is owned by the about dialog
1356  *  and must not be modified.
1357  *
1358  * Since: 2.6
1359  **/
1360 G_CONST_RETURN gchar * G_CONST_RETURN *
1361 gtk_about_dialog_get_artists (GtkAboutDialog *about)
1362 {
1363   GtkAboutDialogPrivate *priv;
1364
1365   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1366
1367   priv = (GtkAboutDialogPrivate *)about->private_data;
1368
1369   return (const gchar * const *)priv->artists;
1370 }
1371
1372 /**
1373  * gtk_about_dialog_set_artists:
1374  * @about: a #GtkAboutDialog
1375  * @artists: a %NULL-terminated array of strings
1376  *
1377  * Sets the strings which are displayed in the artists tab
1378  * of the secondary credits dialog.
1379  *
1380  * Since: 2.6
1381  **/
1382 void
1383 gtk_about_dialog_set_artists (GtkAboutDialog *about,
1384                               const gchar   **artists)
1385 {
1386   GtkAboutDialogPrivate *priv;
1387   gchar **tmp;
1388
1389   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1390
1391   priv = (GtkAboutDialogPrivate *)about->private_data;
1392
1393   tmp = priv->artists;
1394   priv->artists = g_strdupv ((gchar **)artists);
1395   g_strfreev (tmp);
1396
1397   if (priv->artists != NULL)
1398     gtk_widget_show (priv->credits_button);
1399
1400   g_object_notify (G_OBJECT (about), "artists");
1401 }
1402
1403 /**
1404  * gtk_about_dialog_get_translator_credits:
1405  * @about: a #GtkAboutDialog
1406  *
1407  * Returns the translator credits string which is displayed
1408  * in the translators tab of the secondary credits dialog.
1409  *
1410  * Return value: The translator credits string. The string is
1411  *   owned by the about dialog and must not be modified.
1412  *
1413  * Since: 2.6
1414  **/
1415 G_CONST_RETURN gchar *
1416 gtk_about_dialog_get_translator_credits (GtkAboutDialog *about)
1417 {
1418   GtkAboutDialogPrivate *priv;
1419
1420   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1421
1422   priv = (GtkAboutDialogPrivate *)about->private_data;
1423
1424   return priv->translator_credits;
1425 }
1426
1427 /**
1428  * gtk_about_dialog_set_translator_credits:
1429  * @about: a #GtkAboutDialog
1430  * @translator_credits: the translator credits
1431  *
1432  * Sets the translator credits string which is displayed in
1433  * the translators tab of the secondary credits dialog.
1434  *
1435  * The intended use for this string is to display the translator
1436  * of the language which is currently used in the user interface.
1437  * Using gettext(), a simple way to achieve that is to mark the
1438  * string for translation:
1439  * <informalexample><programlisting>
1440  *  gtk_about_dialog_set_translator_credits (about, _("translator-credits"));
1441  * </programlisting></informalexample>
1442  * It is a good idea to use the customary msgid "translator-credits" for this
1443  * purpose, since translators will already know the purpose of that msgid, and
1444  * since #GtkAboutDialog will detect if "translator-credits" is untranslated
1445  * and hide the tab.
1446  *
1447  * Since: 2.6
1448  **/
1449 void
1450 gtk_about_dialog_set_translator_credits (GtkAboutDialog *about,
1451                                          const gchar    *translator_credits)
1452 {
1453   GtkAboutDialogPrivate *priv;
1454   gchar *tmp;
1455
1456   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1457
1458   priv = (GtkAboutDialogPrivate *)about->private_data;
1459
1460   tmp = priv->translator_credits;
1461   priv->translator_credits = g_strdup (translator_credits);
1462   g_free (tmp);
1463
1464   if (priv->translator_credits != NULL)
1465     gtk_widget_show (priv->credits_button);
1466
1467   g_object_notify (G_OBJECT (about), "translator-credits");
1468 }
1469
1470 /**
1471  * gtk_about_dialog_get_logo:
1472  * @about: a #GtkAboutDialog
1473  *
1474  * Returns the pixbuf displayed as logo in the about dialog.
1475  *
1476  * Return value: the pixbuf displayed as logo. The pixbuf is
1477  *   owned by the about dialog. If you want to keep a reference
1478  *   to it, you have to call g_object_ref() on it.
1479  *
1480  * Since: 2.6
1481  **/
1482 GdkPixbuf *
1483 gtk_about_dialog_get_logo (GtkAboutDialog *about)
1484 {
1485   GtkAboutDialogPrivate *priv;
1486
1487   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1488
1489   priv = (GtkAboutDialogPrivate *)about->private_data;
1490
1491   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1492     return gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image));
1493   else
1494     return NULL;
1495 }
1496
1497 static GtkIconSet *
1498 icon_set_new_from_pixbufs (GList *pixbufs)
1499 {
1500   GtkIconSet *icon_set = gtk_icon_set_new ();
1501
1502   for (; pixbufs; pixbufs = pixbufs->next)
1503     {
1504       GdkPixbuf *pixbuf = GDK_PIXBUF (pixbufs->data);
1505
1506       GtkIconSource *icon_source = gtk_icon_source_new ();
1507       gtk_icon_source_set_pixbuf (icon_source, pixbuf);
1508       gtk_icon_set_add_source (icon_set, icon_source);
1509       gtk_icon_source_free (icon_source);
1510     }
1511
1512   return icon_set;
1513 }
1514
1515 /**
1516  * gtk_about_dialog_set_logo:
1517  * @about: a #GtkAboutDialog
1518  * @logo: a #GdkPixbuf, or %NULL
1519  *
1520  * Sets the pixbuf to be displayed as logo in
1521  * the about dialog. If it is %NULL, the default
1522  * window icon set with gtk_window_set_default_icon ()
1523  * will be used.
1524  *
1525  * Since: 2.6
1526  **/
1527 void
1528 gtk_about_dialog_set_logo (GtkAboutDialog *about,
1529                            GdkPixbuf      *logo)
1530 {
1531   GtkAboutDialogPrivate *priv;
1532
1533   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1534
1535   priv = (GtkAboutDialogPrivate *)about->private_data;
1536
1537   g_object_freeze_notify (G_OBJECT (about));
1538
1539   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1540     g_object_notify (G_OBJECT (about), "logo-icon-name");
1541
1542   if (logo != NULL)
1543     gtk_image_set_from_pixbuf (GTK_IMAGE (priv->logo_image), logo);
1544   else
1545     {
1546       GList *pixbufs = gtk_window_get_default_icon_list ();
1547
1548       if (pixbufs != NULL)
1549         {
1550           GtkIconSet *icon_set = icon_set_new_from_pixbufs (pixbufs);
1551
1552           gtk_image_set_from_icon_set (GTK_IMAGE (priv->logo_image),
1553                                        icon_set, GTK_ICON_SIZE_DIALOG);
1554
1555           gtk_icon_set_unref (icon_set);
1556           g_list_free (pixbufs);
1557         }
1558     }
1559
1560   g_object_notify (G_OBJECT (about), "logo");
1561
1562   g_object_thaw_notify (G_OBJECT (about));
1563 }
1564
1565 /**
1566  * gtk_about_dialog_get_logo_icon_name:
1567  * @about: a #GtkAboutDialog
1568  *
1569  * Returns the icon name displayed as logo in the about dialog.
1570  *
1571  * Return value: the icon name displayed as logo. The string is
1572  *   owned by the dialog. If you want to keep a reference
1573  *   to it, you have to call g_strdup() on it.
1574  *
1575  * Since: 2.6
1576  **/
1577 G_CONST_RETURN gchar *
1578 gtk_about_dialog_get_logo_icon_name (GtkAboutDialog *about)
1579 {
1580   GtkAboutDialogPrivate *priv;
1581   const gchar *icon_name = NULL;
1582
1583   g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL);
1584
1585   priv = (GtkAboutDialogPrivate *)about->private_data;
1586
1587   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_ICON_NAME)
1588     gtk_image_get_icon_name (GTK_IMAGE (priv->logo_image), &icon_name, NULL);
1589
1590   return icon_name;
1591 }
1592
1593 /**
1594  * gtk_about_dialog_set_logo_icon_name:
1595  * @about: a #GtkAboutDialog
1596  * @icon_name: an icon name, or %NULL
1597  *
1598  * Sets the pixbuf to be displayed as logo in
1599  * the about dialog. If it is %NULL, the default
1600  * window icon set with gtk_window_set_default_icon()
1601  * will be used.
1602  *
1603  * Since: 2.6
1604  **/
1605 void
1606 gtk_about_dialog_set_logo_icon_name (GtkAboutDialog *about,
1607                                      const gchar    *icon_name)
1608 {
1609   GtkAboutDialogPrivate *priv;
1610
1611   g_return_if_fail (GTK_IS_ABOUT_DIALOG (about));
1612
1613   priv = (GtkAboutDialogPrivate *)about->private_data;
1614
1615   g_object_freeze_notify (G_OBJECT (about));
1616
1617   if (gtk_image_get_storage_type (GTK_IMAGE (priv->logo_image)) == GTK_IMAGE_PIXBUF)
1618     g_object_notify (G_OBJECT (about), "logo");
1619
1620   gtk_image_set_from_icon_name (GTK_IMAGE (priv->logo_image), icon_name,
1621                                 GTK_ICON_SIZE_DIALOG);
1622   g_object_notify (G_OBJECT (about), "logo-icon-name");
1623
1624   g_object_thaw_notify (G_OBJECT (about));
1625 }
1626
1627 static void
1628 activate_url (GtkWidget *widget,
1629               gpointer   data)
1630 {
1631   GtkAboutDialog *about = GTK_ABOUT_DIALOG (data);
1632   gchar *url = g_object_get_data (G_OBJECT (widget), "url");
1633
1634   if (activate_url_hook != NULL)
1635     (* activate_url_hook) (about, url, activate_url_hook_data);
1636 }
1637
1638 static void
1639 set_link_button_text (GtkWidget *about,
1640                       GtkWidget *button,
1641                       gchar     *text)
1642 {
1643   GtkWidget *label;
1644   gchar *link;
1645   GdkColor *style_link_color;
1646   GdkColor link_color = { 0, 0, 0, 0xffff };
1647
1648   gtk_widget_ensure_style (about);
1649   gtk_widget_style_get (about, "link_color", &style_link_color, NULL);
1650   if (style_link_color)
1651     {
1652       link_color = *style_link_color;
1653       gdk_color_free (style_link_color);
1654     }
1655
1656   link = g_markup_printf_escaped ("<span foreground=\"#%04x%04x%04x\" underline=\"single\">%s</span>",
1657                                   link_color.red, link_color.green, link_color.blue, text);
1658
1659   label = gtk_bin_get_child (GTK_BIN (button));
1660   gtk_label_set_markup (GTK_LABEL (label), link);
1661   g_free (link);
1662 }
1663
1664 static gboolean
1665 link_button_enter (GtkWidget        *widget,
1666                    GdkEventCrossing *event,
1667                    GtkAboutDialog   *about)
1668 {
1669   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1670   gdk_window_set_cursor (widget->window, priv->hand_cursor);
1671
1672   return FALSE;
1673 }
1674
1675 static gboolean
1676 link_button_leave (GtkWidget        *widget,
1677                    GdkEventCrossing *event,
1678                    GtkAboutDialog   *about)
1679 {
1680   gdk_window_set_cursor (widget->window, NULL);
1681
1682   return FALSE;
1683 }
1684
1685 static GtkWidget *
1686 create_link_button (GtkWidget *about,
1687                     gchar     *text,
1688                     gchar     *url,
1689                     GCallback  callback,
1690                     gpointer   data)
1691 {
1692   GtkWidget *button;
1693
1694   button = gtk_button_new_with_label ("");
1695   GTK_WIDGET_UNSET_FLAGS (button, GTK_RECEIVES_DEFAULT);
1696   gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
1697
1698   g_object_set_data_full (G_OBJECT (button),
1699                           I_("url"),
1700                           g_strdup (url), g_free);
1701   set_link_button_text (about, button, text);
1702
1703   g_signal_connect (button, "clicked", callback, data);
1704   g_signal_connect (button, "enter_notify_event",
1705                     G_CALLBACK (link_button_enter), data);
1706   g_signal_connect (button, "leave_notify_event",
1707                     G_CALLBACK (link_button_leave), data);
1708
1709   return button;
1710 }
1711
1712 static void
1713 follow_if_link (GtkAboutDialog *about,
1714                 GtkTextIter    *iter)
1715 {
1716   GSList *tags = NULL, *tagp = NULL;
1717
1718   tags = gtk_text_iter_get_tags (iter);
1719   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
1720     {
1721       GtkTextTag *tag = tagp->data;
1722       gchar *email = g_object_get_data (G_OBJECT (tag), "email");
1723       gchar *url = g_object_get_data (G_OBJECT (tag), "url");
1724
1725       if (email != NULL && activate_email_hook != NULL)
1726         {
1727           (* activate_email_hook) (about, email, activate_email_hook_data);
1728           break;
1729         }
1730
1731       if (url != NULL && activate_url_hook != NULL)
1732         {
1733           (* activate_url_hook) (about, url, activate_url_hook_data);
1734           break;
1735         }
1736     }
1737
1738   if (tags)
1739     g_slist_free (tags);
1740 }
1741
1742 static gboolean
1743 credits_key_press_event (GtkWidget      *text_view,
1744                          GdkEventKey    *event,
1745                          GtkAboutDialog *about)
1746 {
1747   GtkTextIter iter;
1748   GtkTextBuffer *buffer;
1749
1750   switch (event->keyval)
1751     {
1752       case GDK_Return:
1753       case GDK_KP_Enter:
1754         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1755         gtk_text_buffer_get_iter_at_mark (buffer, &iter,
1756                                           gtk_text_buffer_get_insert (buffer));
1757         follow_if_link (about, &iter);
1758         break;
1759
1760       default:
1761         break;
1762     }
1763
1764   return FALSE;
1765 }
1766
1767 static gboolean
1768 credits_event_after (GtkWidget      *text_view,
1769                      GdkEvent       *event,
1770                      GtkAboutDialog *about)
1771 {
1772   GtkTextIter start, end, iter;
1773   GtkTextBuffer *buffer;
1774   GdkEventButton *button_event;
1775   gint x, y;
1776
1777   if (event->type != GDK_BUTTON_RELEASE)
1778     return FALSE;
1779
1780   button_event = (GdkEventButton *)event;
1781
1782   if (button_event->button != 1)
1783     return FALSE;
1784
1785   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
1786
1787   /* we shouldn't follow a link if the user has selected something */
1788   gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
1789   if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end))
1790     return FALSE;
1791
1792   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1793                                          GTK_TEXT_WINDOW_WIDGET,
1794                                          button_event->x, button_event->y, &x, &y);
1795
1796   gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (text_view), &iter, x, y);
1797
1798   follow_if_link (about, &iter);
1799
1800   return FALSE;
1801 }
1802
1803 static void
1804 set_cursor_if_appropriate (GtkAboutDialog *about,
1805                            GtkTextView    *text_view,
1806                            gint            x,
1807                            gint            y)
1808 {
1809   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
1810   GSList *tags = NULL, *tagp = NULL;
1811   GtkTextBuffer *buffer;
1812   GtkTextIter iter;
1813   gboolean hovering_over_link = FALSE;
1814
1815   buffer = gtk_text_view_get_buffer (text_view);
1816
1817   gtk_text_view_get_iter_at_location (text_view, &iter, x, y);
1818
1819   tags = gtk_text_iter_get_tags (&iter);
1820   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
1821     {
1822       GtkTextTag *tag = tagp->data;
1823       gchar *email = g_object_get_data (G_OBJECT (tag), "email");
1824       gchar *url = g_object_get_data (G_OBJECT (tag), "url");
1825
1826       if (email != NULL || url != NULL)
1827         {
1828           hovering_over_link = TRUE;
1829           break;
1830         }
1831     }
1832
1833   if (hovering_over_link != priv->hovering_over_link)
1834     {
1835       priv->hovering_over_link = hovering_over_link;
1836
1837       if (hovering_over_link)
1838         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->hand_cursor);
1839       else
1840         gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->regular_cursor);
1841     }
1842
1843   if (tags)
1844     g_slist_free (tags);
1845 }
1846
1847 static gboolean
1848 credits_motion_notify_event (GtkWidget *text_view,
1849                              GdkEventMotion *event,
1850                              GtkAboutDialog *about)
1851 {
1852   gint x, y;
1853
1854   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1855                                          GTK_TEXT_WINDOW_WIDGET,
1856                                          event->x, event->y, &x, &y);
1857
1858   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), x, y);
1859
1860   gdk_window_get_pointer (text_view->window, NULL, NULL, NULL);
1861
1862   return FALSE;
1863 }
1864
1865
1866 static gboolean
1867 credits_visibility_notify_event (GtkWidget          *text_view,
1868                                  GdkEventVisibility *event,
1869                                  GtkAboutDialog     *about)
1870 {
1871   gint wx, wy, bx, by;
1872
1873   gdk_window_get_pointer (text_view->window, &wx, &wy, NULL);
1874
1875   gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view),
1876                                          GTK_TEXT_WINDOW_WIDGET,
1877                                          wx, wy, &bx, &by);
1878
1879   set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), bx, by);
1880
1881   return FALSE;
1882 }
1883
1884 static void
1885 text_view_style_set (GtkWidget *widget, GtkStyle *prev_style, GtkWidget *text_view)
1886 {
1887   gtk_widget_modify_base (text_view, GTK_STATE_NORMAL,
1888                           &widget->style->bg[GTK_STATE_NORMAL]);
1889 }
1890
1891 static void
1892 add_credits_page (GtkAboutDialog *about,
1893                   GtkWidget      *notebook,
1894                   gchar          *title,
1895                   gchar         **people)
1896 {
1897   gchar **p;
1898   gchar *q0, *q1, *q2, *r1, *r2;
1899   GtkWidget *sw, *view;
1900   GtkTextBuffer *buffer;
1901   gboolean linkify_email, linkify_urls;
1902   GdkColor *style_link_color;
1903   GdkColor link_color = { 0, 0, 0, 0xffff };
1904
1905   linkify_email = (activate_email_hook != NULL);
1906   linkify_urls = (activate_url_hook != NULL);
1907
1908   gtk_widget_ensure_style (GTK_WIDGET (about));
1909   gtk_widget_style_get (GTK_WIDGET (about), "link_color", &style_link_color, NULL);
1910   if (style_link_color)
1911     {
1912       link_color = *style_link_color;
1913       gdk_color_free (style_link_color);
1914     }
1915
1916   view = gtk_text_view_new ();
1917   g_signal_connect_object (about, "style_set",
1918                            G_CALLBACK (text_view_style_set), view, 0);
1919
1920   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
1921   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
1922   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
1923
1924   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
1925   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
1926
1927   g_signal_connect (view, "key-press-event",
1928                     G_CALLBACK (credits_key_press_event), about);
1929   g_signal_connect (view, "event-after",
1930                     G_CALLBACK (credits_event_after), about);
1931   g_signal_connect (view, "motion-notify-event",
1932                     G_CALLBACK (credits_motion_notify_event), about);
1933   g_signal_connect (view, "visibility-notify-event",
1934                     G_CALLBACK (credits_visibility_notify_event), about);
1935
1936   sw = gtk_scrolled_window_new (NULL, NULL);
1937   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
1938                                        GTK_SHADOW_IN);
1939   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
1940                                   GTK_POLICY_AUTOMATIC,
1941                                   GTK_POLICY_AUTOMATIC);
1942   gtk_container_add (GTK_CONTAINER (sw), view);
1943
1944   gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
1945                             sw, gtk_label_new (title));
1946
1947   if (people == NULL)
1948     {
1949       gtk_widget_hide (view);
1950       return;
1951     }
1952   else
1953     gtk_widget_show (view);
1954
1955   for (p = people; *p; p++)
1956     {
1957       q0  = *p;
1958       while (*q0)
1959         {
1960           q1 = linkify_email ? strchr (q0, '<') : NULL;
1961           q2 = q1 ? strchr (q1, '>') : NULL;
1962           r1 = linkify_urls ? strstr (q0, "http://") : NULL;
1963           if (r1)
1964             {
1965               r2 = strpbrk (r1, " \n\t");
1966               if (!r2)
1967                 r2 = strchr (r1, '\0');
1968             }
1969           else
1970             r2 = NULL;
1971
1972           if (r1 && r2 && (!q1 || !q2 || (r1 < q1)))
1973             {
1974               q1 = r1;
1975               q2 = r2;
1976             }
1977
1978           if (q1 && q2)
1979             {
1980               GtkTextIter end;
1981               gchar *link;
1982               gchar *link_type;
1983               GtkTextTag *tag;
1984
1985               gtk_text_buffer_insert_at_cursor (buffer, q0, q1 - q0);
1986               gtk_text_buffer_get_end_iter (buffer, &end);
1987
1988               q0 = q2;
1989
1990               if (*q1 == '<')
1991                 {
1992                   q1++;
1993                   q0++;
1994                   link_type = I_("email");
1995                 }
1996               else
1997                 link_type = I_("url");
1998
1999               link = g_strndup (q1, q2 - q1);
2000               tag = gtk_text_buffer_create_tag (buffer, NULL,
2001                                                 "foreground_gdk", &link_color,
2002                                                 "underline", PANGO_UNDERLINE_SINGLE,
2003                                                 NULL);
2004               g_object_set_data_full (G_OBJECT (tag), link_type, g_strdup (link), g_free);
2005               gtk_text_buffer_insert_with_tags (buffer, &end, link, -1, tag, NULL);
2006
2007               g_free (link);
2008             }
2009           else
2010             {
2011               gtk_text_buffer_insert_at_cursor (buffer, q0, -1);
2012               break;
2013             }
2014         }
2015
2016       if (p[1])
2017         gtk_text_buffer_insert_at_cursor (buffer, "\n", 1);
2018     }
2019 }
2020
2021 static void
2022 display_credits_dialog (GtkWidget *button,
2023                         gpointer   data)
2024 {
2025   GtkAboutDialog *about = (GtkAboutDialog *)data;
2026   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
2027   GtkWidget *dialog, *notebook;
2028
2029   if (priv->credits_dialog != NULL)
2030     {
2031       gtk_window_present (GTK_WINDOW (priv->credits_dialog));
2032       return;
2033     }
2034
2035   dialog = gtk_dialog_new_with_buttons (_("Credits"),
2036                                         GTK_WINDOW (about),
2037                                         GTK_DIALOG_DESTROY_WITH_PARENT,
2038                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
2039                                         NULL);
2040   gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
2041
2042   priv->credits_dialog = dialog;
2043   gtk_window_set_default_size (GTK_WINDOW (dialog), 360, 260);
2044   gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
2045
2046   gtk_window_set_modal (GTK_WINDOW (dialog),
2047                         gtk_window_get_modal (GTK_WINDOW (about)));
2048
2049   g_signal_connect (dialog, "response",
2050                     G_CALLBACK (gtk_widget_destroy), dialog);
2051   g_signal_connect (dialog, "destroy",
2052                     G_CALLBACK (gtk_widget_destroyed),
2053                     &(priv->credits_dialog));
2054   g_signal_connect (dialog, "style_set",
2055                     G_CALLBACK (dialog_style_set), NULL);
2056
2057   notebook = gtk_notebook_new ();
2058   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), notebook, TRUE, TRUE, 0);
2059
2060   if (priv->authors != NULL)
2061     add_credits_page (about, notebook, _("Written by"), priv->authors);
2062
2063   if (priv->documenters != NULL)
2064     add_credits_page (about, notebook, _("Documented by"), priv->documenters);
2065
2066   /* Don't show an untranslated gettext msgid */
2067   if (priv->translator_credits != NULL &&
2068       strcmp (priv->translator_credits, "translator_credits") &&
2069       strcmp (priv->translator_credits, "translator-credits"))
2070     {
2071       gchar *translators[2];
2072
2073       translators[0] = priv->translator_credits;
2074       translators[1] = NULL;
2075
2076       add_credits_page (about, notebook, _("Translated by"), translators);
2077     }
2078
2079   if (priv->artists != NULL)
2080     add_credits_page (about, notebook, _("Artwork by"), priv->artists);
2081
2082   gtk_widget_show_all (dialog);
2083 }
2084
2085 static void
2086 set_policy (GtkWidget *sw)
2087 {
2088   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
2089                                   GTK_POLICY_AUTOMATIC,
2090                                   GTK_POLICY_AUTOMATIC);
2091 }
2092
2093 static void
2094 display_license_dialog (GtkWidget *button,
2095                         gpointer   data)
2096 {
2097   GtkAboutDialog *about = (GtkAboutDialog *)data;
2098   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
2099   GtkWidget *dialog, *view, *sw;
2100
2101   if (priv->license_dialog != NULL)
2102     {
2103       gtk_window_present (GTK_WINDOW (priv->license_dialog));
2104       return;
2105     }
2106
2107   dialog = gtk_dialog_new_with_buttons (_("License"),
2108                                         GTK_WINDOW (about),
2109                                         GTK_DIALOG_DESTROY_WITH_PARENT,
2110                                         GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
2111                                         NULL);
2112   gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
2113   priv->license_dialog = dialog;
2114   gtk_window_set_default_size (GTK_WINDOW (dialog), 420, 320);
2115   gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
2116
2117   gtk_window_set_modal (GTK_WINDOW (dialog),
2118                         gtk_window_get_modal (GTK_WINDOW (about)));
2119
2120   g_signal_connect (dialog, "response",
2121                     G_CALLBACK (gtk_widget_destroy), dialog);
2122   g_signal_connect (dialog, "destroy",
2123                     G_CALLBACK (gtk_widget_destroyed),
2124                     &(priv->license_dialog));
2125   g_signal_connect (dialog, "style_set",
2126                     G_CALLBACK (dialog_style_set), NULL);
2127
2128   sw = gtk_scrolled_window_new (NULL, NULL);
2129   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
2130                                        GTK_SHADOW_IN);
2131   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
2132                                   GTK_POLICY_NEVER,
2133                                   GTK_POLICY_AUTOMATIC);
2134   g_signal_connect (sw, "map", G_CALLBACK (set_policy), NULL);
2135   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), sw, TRUE, TRUE, 0);
2136
2137   view = gtk_text_view_new ();
2138   gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (view),
2139                                priv->wrap_license ? GTK_WRAP_WORD : GTK_WRAP_NONE);
2140   gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)),
2141                             priv->license, -1);
2142
2143   gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
2144   gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
2145
2146   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8);
2147   gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8);
2148
2149   gtk_container_add (GTK_CONTAINER (sw), view);
2150
2151   gtk_widget_show_all (dialog);
2152 }
2153
2154 static void
2155 close_cb (GtkAboutDialog *about)
2156 {
2157   GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
2158
2159   if (priv->license_dialog != NULL)
2160     {
2161       gtk_widget_destroy (priv->license_dialog);
2162       priv->license_dialog = NULL;
2163     }
2164
2165   if (priv->credits_dialog != NULL)
2166     {
2167       gtk_widget_destroy (priv->credits_dialog);
2168       priv->credits_dialog = NULL;
2169     }
2170
2171   gtk_widget_hide (GTK_WIDGET (about));
2172
2173 }
2174
2175 /**
2176  * gtk_about_dialog_new:
2177  *
2178  * Creates a new #GtkAboutDialog.
2179  *
2180  * Returns: a newly created #GtkAboutDialog
2181  *
2182  * Since: 2.6
2183  */
2184 GtkWidget *
2185 gtk_about_dialog_new (void)
2186 {
2187   GtkAboutDialog *dialog = g_object_new (GTK_TYPE_ABOUT_DIALOG, NULL);
2188
2189   return GTK_WIDGET (dialog);
2190 }
2191
2192 /**
2193  * gtk_about_dialog_set_email_hook:
2194  * @func: a function to call when an email link is activated.
2195  * @data: data to pass to @func
2196  * @destroy: #GDestroyNotify for @data
2197  *
2198  * Installs a global function to be called whenever the user activates an
2199  * email link in an about dialog.
2200  *
2201  * Return value: the previous email hook.
2202  *
2203  * Since: 2.6
2204  */
2205 GtkAboutDialogActivateLinkFunc
2206 gtk_about_dialog_set_email_hook (GtkAboutDialogActivateLinkFunc func,
2207                                  gpointer                       data,
2208                                  GDestroyNotify                 destroy)
2209 {
2210   GtkAboutDialogActivateLinkFunc old;
2211
2212   if (activate_email_hook_destroy != NULL)
2213     (* activate_email_hook_destroy) (activate_email_hook_data);
2214
2215   old = activate_email_hook;
2216
2217   activate_email_hook = func;
2218   activate_email_hook_data = data;
2219   activate_email_hook_destroy = destroy;
2220
2221   return old;
2222 }
2223
2224 /**
2225  * gtk_about_dialog_set_url_hook:
2226  * @func: a function to call when a URL link is activated.
2227  * @data: data to pass to @func
2228  * @destroy: #GDestroyNotify for @data
2229  *
2230  * Installs a global function to be called whenever the user activates a
2231  * URL link in an about dialog.
2232  *
2233  * Return value: the previous URL hook.
2234  *
2235  * Since: 2.6
2236  */
2237 GtkAboutDialogActivateLinkFunc
2238 gtk_about_dialog_set_url_hook (GtkAboutDialogActivateLinkFunc func,
2239                                gpointer                       data,
2240                                GDestroyNotify                 destroy)
2241 {
2242   GtkAboutDialogActivateLinkFunc old;
2243
2244   if (activate_url_hook_destroy != NULL)
2245     (* activate_url_hook_destroy) (activate_url_hook_data);
2246
2247   old = activate_url_hook;
2248
2249   activate_url_hook = func;
2250   activate_url_hook_data = data;
2251   activate_url_hook_destroy = destroy;
2252
2253   return old;
2254 }
2255
2256 /**
2257  * gtk_show_about_dialog:
2258  * @parent: transient parent, or %NULL for none
2259  * @first_property_name: the name of the first property
2260  * @Varargs: value of first property, followed by more properties, %NULL-terminated
2261  *
2262  * This is a convenience function for showing an application's about box.
2263  * The constructed dialog is associated with the parent window and
2264  * reused for future invocations of this function.
2265  *
2266  * Since: 2.6
2267  */
2268 void
2269 gtk_show_about_dialog (GtkWindow   *parent,
2270                        const gchar *first_property_name,
2271                        ...)
2272 {
2273   static GtkWidget *global_about_dialog = NULL;
2274   GtkWidget *dialog = NULL;
2275   va_list var_args;
2276
2277   if (parent)
2278     dialog = g_object_get_data (G_OBJECT (parent), "gtk-about-dialog");
2279   else
2280     dialog = global_about_dialog;
2281
2282   if (!dialog)
2283     {
2284       dialog = gtk_about_dialog_new ();
2285
2286       g_object_ref (dialog);
2287       gtk_object_sink (GTK_OBJECT (dialog));
2288
2289       g_signal_connect (dialog, "delete_event", G_CALLBACK (gtk_widget_hide_on_delete), NULL);
2290
2291       va_start (var_args, first_property_name);
2292       g_object_set_valist (G_OBJECT (dialog), first_property_name, var_args);
2293       va_end (var_args);
2294
2295       if (parent)
2296         {
2297           gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);
2298           gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
2299           g_object_set_data_full (G_OBJECT (parent),
2300                                   I_("gtk-about-dialog"),
2301                                   dialog, g_object_unref);
2302         }
2303       else
2304         global_about_dialog = dialog;
2305
2306     }
2307
2308   gtk_window_present (GTK_WINDOW (dialog));
2309 }
2310
2311 #define __GTK_ABOUT_DIALOG_C__
2312 #include "gtkaliasdef.c"