/* GTK - The GIMP Toolkit * Copyright (C) 2001 CodeFactory AB * Copyright (C) 2001, 2002 Anders Carlsson * Copyright (C) 2003, 2004 Matthias Clasen * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * Author: Anders Carlsson * * Modified by the GTK+ Team and others 1997-2004. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ #include #include #include "gtkaboutdialog.h" #include "gtkbutton.h" #include "gtkbbox.h" #include "gtkdialog.h" #include "gtkhbox.h" #include "gtkimage.h" #include "gtklabel.h" #include "gtkmarshalers.h" #include "gtknotebook.h" #include "gtkscrolledwindow.h" #include "gtkstock.h" #include "gtktextview.h" #include "gtkvbox.h" #include "gtkviewport.h" #include "gtkiconfactory.h" #include "gtkintl.h" #include typedef struct _GtkAboutDialogPrivate GtkAboutDialogPrivate; struct _GtkAboutDialogPrivate { gchar *name; gchar *version; gchar *copyright; gchar *comments; gchar *website; gchar *website_label; gchar *translator_credits; gchar *license; gchar **authors; gchar **documenters; gchar **artists; GtkWidget *logo_image; GtkWidget *name_label; GtkWidget *comments_label; GtkWidget *copyright_label; GtkWidget *website_button; GtkWidget *credits_button; GtkWidget *credits_dialog; GtkWidget *license_button; GtkWidget *license_dialog; GdkCursor *hand_cursor; GdkCursor *regular_cursor; gboolean hovering_over_link; }; #define GTK_ABOUT_DIALOG_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_ABOUT_DIALOG, GtkAboutDialogPrivate)) enum { PROP_0, PROP_NAME, PROP_VERSION, PROP_COPYRIGHT, PROP_COMMENTS, PROP_WEBSITE, PROP_WEBSITE_LABEL, PROP_LICENSE, PROP_AUTHORS, PROP_DOCUMENTERS, PROP_TRANSLATOR_CREDITS, PROP_ARTISTS, PROP_LOGO }; static void gtk_about_dialog_finalize (GObject *object); static void gtk_about_dialog_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static void gtk_about_dialog_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void update_name_version (GtkAboutDialog *about); static GtkIconSet * icon_set_new_from_pixbufs (GList *pixbufs); static void activate_url (GtkWidget *widget, gpointer data); static void set_link_button_text (GtkWidget *about, GtkWidget *button, gchar *text); static GtkWidget * create_link_button (GtkWidget *about, gchar *text, gchar *url, GCallback callback, gpointer data); static void follow_if_link (GtkAboutDialog *about, GtkTextIter *iter); static void set_cursor_if_appropriate (GtkAboutDialog *about, GtkTextView *text_view, gint x, gint y); static void add_credits_page (GtkAboutDialog *about, GtkWidget *notebook, gchar *title, gchar **people); static gboolean credits_key_press_event (GtkWidget *text_view, GdkEventKey *event, GtkAboutDialog *about); static gboolean credits_event_after (GtkWidget *text_view, GdkEvent *event, GtkAboutDialog *about); static gboolean credits_motion_notify_event (GtkWidget *text_view, GdkEventMotion *event, GtkAboutDialog *about); static gboolean credits_visibility_notify_event (GtkWidget *text_view, GdkEventVisibility *event, GtkAboutDialog *about); static void display_credits_dialog (GtkWidget *button, gpointer data); static void display_license_dialog (GtkWidget *button, gpointer data); static GtkAboutDialogActivateLinkFunc activate_email_hook = NULL; static GtkAboutDialogActivateLinkFunc activate_url_hook = NULL; G_DEFINE_TYPE (GtkAboutDialog, gtk_about_dialog, GTK_TYPE_DIALOG); static void gtk_about_dialog_class_init (GtkAboutDialogClass *klass) { GObjectClass *object_class; GtkWidgetClass *widget_class; GtkDialogClass *dialog_class; object_class = (GObjectClass *)klass; widget_class = (GtkWidgetClass *)klass; dialog_class = (GtkDialogClass *)klass; object_class->set_property = gtk_about_dialog_set_property; object_class->get_property = gtk_about_dialog_get_property; object_class->finalize = gtk_about_dialog_finalize; g_object_class_install_property (object_class, PROP_NAME, g_param_spec_string ("name", P_("Program name"), P_("The name of the program. If this is not set, it defaults to g_get_application_name()"), NULL, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_VERSION, g_param_spec_string ("version", P_("Program version"), P_("The version of the program"), NULL, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_COPYRIGHT, g_param_spec_string ("copyright", P_("Copyright string"), P_("Copyright information for the program"), NULL, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_COMMENTS, g_param_spec_string ("comments", P_("Comments string"), P_("Comments about the program"), NULL, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_LICENSE, g_param_spec_string ("license", _("License"), _("The license of the program"), NULL, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_WEBSITE, g_param_spec_string ("website", P_("Website URL"), P_("The URL for the link to the website of the program"), NULL, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_WEBSITE_LABEL, g_param_spec_string ("website_label", P_("Website label"), P_("The label for the link to the website of the program. If this is not set, it defaults to the URL"), NULL, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_AUTHORS, g_param_spec_boxed ("authors", P_("Authors"), P_("List of authors of the programs"), G_TYPE_STRV, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_DOCUMENTERS, g_param_spec_boxed ("documenters", P_("Documenters"), P_("List of people documenting the program"), G_TYPE_STRV, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_ARTISTS, g_param_spec_boxed ("artists", P_("Artists"), P_("List of people who have contributed artwork to the program"), G_TYPE_STRV, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_TRANSLATOR_CREDITS, g_param_spec_string ("translator_credits", P_("Translator credits"), P_("Credits to the translators. This string should be marked as translatable"), NULL, G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_LOGO, g_param_spec_object ("logo", P_("Logo"), P_("A logo for the about box. If this is not set, it defaults to gtk_window_get_default_icon_list()"), GDK_TYPE_PIXBUF, G_PARAM_READWRITE)); /* Style properties */ gtk_widget_class_install_style_property (widget_class, g_param_spec_boxed ("link_color", P_("Link Color"), P_("Color of hyperlinks"), GDK_TYPE_COLOR, G_PARAM_READABLE)); g_type_class_add_private (object_class, sizeof (GtkAboutDialogPrivate)); } static void gtk_about_dialog_init (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; GtkWidget *vbox, *hbox, *button; /* Data */ priv = GTK_ABOUT_DIALOG_GET_PRIVATE (about); about->private_data = priv; priv->name = NULL; priv->version = NULL; priv->copyright = NULL; priv->comments = NULL; priv->website = NULL; priv->website_label = NULL; priv->translator_credits = NULL; priv->authors = NULL; priv->documenters = NULL; priv->artists = NULL; priv->hand_cursor = gdk_cursor_new (GDK_HAND2); priv->regular_cursor = gdk_cursor_new (GDK_XTERM); priv->hovering_over_link = FALSE; gtk_dialog_set_has_separator (GTK_DIALOG (about), FALSE); /* Widgets */ gtk_widget_push_composite_child (); vbox = gtk_vbox_new (FALSE, 8); gtk_container_set_border_width (GTK_CONTAINER (vbox), 8); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (about)->vbox), vbox, TRUE, TRUE, 0); priv->logo_image = gtk_image_new (); gtk_box_pack_start (GTK_BOX (vbox), priv->logo_image, FALSE, FALSE, 0); priv->name_label = gtk_label_new (NULL); gtk_label_set_selectable (GTK_LABEL (priv->name_label), TRUE); gtk_label_set_justify (GTK_LABEL (priv->name_label), GTK_JUSTIFY_CENTER); gtk_box_pack_start (GTK_BOX (vbox), priv->name_label, FALSE, FALSE, 0); priv->comments_label = gtk_label_new (NULL); gtk_label_set_selectable (GTK_LABEL (priv->comments_label), TRUE); gtk_label_set_justify (GTK_LABEL (priv->comments_label), GTK_JUSTIFY_CENTER); gtk_label_set_line_wrap (GTK_LABEL (priv->comments_label), TRUE); gtk_box_pack_start (GTK_BOX (vbox), priv->comments_label, FALSE, FALSE, 0); priv->copyright_label = gtk_label_new (NULL); gtk_label_set_selectable (GTK_LABEL (priv->copyright_label), TRUE); gtk_label_set_justify (GTK_LABEL (priv->copyright_label), GTK_JUSTIFY_CENTER); gtk_box_pack_start (GTK_BOX (vbox), priv->copyright_label, FALSE, FALSE, 0); button = create_link_button (GTK_WIDGET (about), "", "", G_CALLBACK (activate_url), about); hbox = gtk_hbox_new (TRUE, 0); gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0); gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 0); priv->website_button = button; gtk_widget_show (vbox); gtk_widget_show (priv->logo_image); gtk_widget_show (priv->name_label); gtk_widget_show (hbox); /* Add the OK button */ gtk_dialog_add_button (GTK_DIALOG (about), GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE); gtk_dialog_set_default_response (GTK_DIALOG (about), GTK_RESPONSE_CLOSE); /* Add the credits button */ button = gtk_button_new_from_stock (_("_Credits")); gtk_box_pack_end (GTK_BOX (GTK_DIALOG (about)->action_area), button, FALSE, TRUE, 0); gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (about)->action_area), button, TRUE); g_signal_connect (button, "clicked", G_CALLBACK (display_credits_dialog), about); priv->credits_button = button; priv->credits_dialog = NULL; /* Add the license button */ button = gtk_button_new_from_stock (_("_License")); gtk_box_pack_end (GTK_BOX (GTK_DIALOG (about)->action_area), button, FALSE, TRUE, 0); gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (about)->action_area), button, TRUE); g_signal_connect (button, "clicked", G_CALLBACK (display_license_dialog), about); priv->license_button = button; priv->license_dialog = NULL; gtk_window_set_resizable (GTK_WINDOW (about), FALSE); gtk_widget_pop_composite_child (); } static void gtk_about_dialog_finalize (GObject *object) { GtkAboutDialog *about = GTK_ABOUT_DIALOG (object); GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data; g_free (priv->name); g_free (priv->version); g_free (priv->copyright); g_free (priv->comments); g_free (priv->license); g_free (priv->website); g_free (priv->website_label); g_free (priv->translator_credits); g_strfreev (priv->authors); g_strfreev (priv->documenters); g_strfreev (priv->artists); g_free (priv); about->private_data = NULL; G_OBJECT_CLASS (gtk_about_dialog_parent_class)->finalize (object); } static void gtk_about_dialog_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkAboutDialog *about = GTK_ABOUT_DIALOG (object); switch (prop_id) { case PROP_NAME: gtk_about_dialog_set_name (about, g_value_get_string (value)); break; case PROP_VERSION: gtk_about_dialog_set_version (about, g_value_get_string (value)); break; case PROP_COMMENTS: gtk_about_dialog_set_comments (about, g_value_get_string (value)); break; case PROP_WEBSITE: gtk_about_dialog_set_website (about, g_value_get_string (value)); break; case PROP_WEBSITE_LABEL: gtk_about_dialog_set_website_label (about, g_value_get_string (value)); break; case PROP_LICENSE: gtk_about_dialog_set_license (about, g_value_get_string (value)); break; case PROP_COPYRIGHT: gtk_about_dialog_set_copyright (about, g_value_get_string (value)); break; case PROP_LOGO: gtk_about_dialog_set_logo (about, g_value_get_object (value)); break; case PROP_AUTHORS: gtk_about_dialog_set_authors (about, (gchar**)g_value_get_boxed (value)); break; case PROP_DOCUMENTERS: gtk_about_dialog_set_documenters (about, (gchar**)g_value_get_boxed (value)); break; case PROP_ARTISTS: gtk_about_dialog_set_artists (about, (gchar**)g_value_get_boxed (value)); break; case PROP_TRANSLATOR_CREDITS: gtk_about_dialog_set_translator_credits (about, g_value_get_string (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_about_dialog_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkAboutDialog *about = GTK_ABOUT_DIALOG (object); GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data; switch (prop_id) { case PROP_NAME: g_value_set_string (value, priv->name); break; case PROP_VERSION: g_value_set_string (value, priv->version); break; case PROP_COPYRIGHT: g_value_set_string (value, priv->copyright); break; case PROP_COMMENTS: g_value_set_string (value, priv->comments); break; case PROP_WEBSITE: g_value_set_string (value, priv->website); break; case PROP_WEBSITE_LABEL: g_value_set_string (value, priv->website_label); break; case PROP_LICENSE: g_value_set_string (value, priv->license); break; case PROP_TRANSLATOR_CREDITS: g_value_set_string (value, priv->translator_credits); break; case PROP_AUTHORS: g_value_set_boxed (value, priv->authors); break; case PROP_DOCUMENTERS: g_value_set_boxed (value, priv->documenters); break; case PROP_ARTISTS: g_value_set_boxed (value, priv->artists); break; case PROP_LOGO: g_value_set_object (value, gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image))); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } /** * gtk_about_dialog_get_name: * @about: a #GtkAboutDialog * * Returns the program name displayed in the about dialog. * * Return value: The program name. The string is owned by the about * dialog and must not be modified. * * Since: 2.6 **/ G_CONST_RETURN gchar * gtk_about_dialog_get_name (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL); priv = (GtkAboutDialogPrivate *)about->private_data; return priv->name; } static void update_name_version (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; gchar *title_string, *name_string; priv = (GtkAboutDialogPrivate *)about->private_data; title_string = g_strdup_printf (_("About %s"), priv->name); gtk_window_set_title (GTK_WINDOW (about), title_string); g_free (title_string); if (priv->version != NULL) name_string = g_markup_printf_escaped ("%s %s", priv->name, priv->version); else name_string = g_markup_printf_escaped ("%s", priv->name); gtk_label_set_markup (GTK_LABEL (priv->name_label), name_string); g_free (name_string); } /** * gtk_about_dialog_set_name: * @about: a #GtkAboutDialog * @name: the program name * * Sets the name to display in the about dialog. * If this is not set, it defaults to g_get_application_name(). * * Since: 2.6 **/ void gtk_about_dialog_set_name (GtkAboutDialog *about, const gchar *name) { GtkAboutDialogPrivate *priv; gchar *tmp; g_return_if_fail (GTK_IS_ABOUT_DIALOG (about)); priv = (GtkAboutDialogPrivate *)about->private_data; tmp = priv->name; priv->name = g_strdup (name ? name : g_get_application_name ()); g_free (tmp); update_name_version (about); g_object_notify (G_OBJECT (about), "name"); } /** * gtk_about_dialog_get_version: * @about: a #GtkAboutDialog * * Returns the version string. * * Return value: The version string. The string is owned by the about * dialog and must not be modified. * * Since: 2.6 **/ G_CONST_RETURN gchar * gtk_about_dialog_get_version (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL); priv = (GtkAboutDialogPrivate *)about->private_data; return priv->version; } /** * gtk_about_dialog_set_version: * @about: a #GtkAboutDialog * @version: the version string * * Sets the version string to display in the about dialog. * * Since: 2.6 **/ void gtk_about_dialog_set_version (GtkAboutDialog *about, const gchar *version) { GtkAboutDialogPrivate *priv; gchar *tmp; g_return_if_fail (GTK_IS_ABOUT_DIALOG (about)); priv = (GtkAboutDialogPrivate *)about->private_data; tmp = priv->version; priv->version = version ? g_strdup (version) : NULL; g_free (tmp); update_name_version (about); g_object_notify (G_OBJECT (about), "version"); } /** * gtk_about_dialog_get_copyright: * @about: a #GtkAboutDialog * * Returns the copyright string. * * Return value: The copyright string. The string is owned by the about * dialog and must not be modified. * * Since: 2.6 **/ G_CONST_RETURN gchar * gtk_about_dialog_get_copyright (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL); priv = (GtkAboutDialogPrivate *)about->private_data; return priv->copyright; } /** * gtk_about_dialog_set_copyright: * @about: a #GtkAboutDialog * @copyright: the copyright string * * Sets the copyright string to display in the about dialog. * This should be a short string of one or two lines. * * Since: 2.6 **/ void gtk_about_dialog_set_copyright (GtkAboutDialog *about, const gchar *copyright) { GtkAboutDialogPrivate *priv; gchar *copyright_string, *tmp; g_return_if_fail (GTK_IS_ABOUT_DIALOG (about)); priv = (GtkAboutDialogPrivate *)about->private_data; tmp = priv->copyright; priv->copyright = copyright ? g_strdup (copyright) : NULL; g_free (tmp); if (priv->copyright != NULL) { copyright_string = g_markup_printf_escaped ("%s", priv->copyright); gtk_label_set_markup (GTK_LABEL (priv->copyright_label), copyright_string); g_free (copyright_string); gtk_widget_show (priv->copyright_label); } else gtk_widget_hide (priv->copyright_label); g_object_notify (G_OBJECT (about), "copyright"); } /** * gtk_about_dialog_get_comments: * @about: a #GtkAboutDialog * * Returns the comments string. * * Return value: The comments. The string is owned by the about * dialog and must not be modified. * * Since: 2.6 **/ G_CONST_RETURN gchar * gtk_about_dialog_get_comments (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL); priv = (GtkAboutDialogPrivate *)about->private_data; return priv->comments; } /** * gtk_about_dialog_set_comments: * @about: a #GtkAboutDialog * @comments: a comments string * * Sets the comments string to display in the about * dialog. This should be a short string of one or * two lines. * * Since: 2.6 **/ void gtk_about_dialog_set_comments (GtkAboutDialog *about, const gchar *comments) { GtkAboutDialogPrivate *priv; gchar *tmp; g_return_if_fail (GTK_IS_ABOUT_DIALOG (about)); priv = (GtkAboutDialogPrivate *)about->private_data; tmp = priv->comments; if (comments) { priv->comments = g_strdup (comments); gtk_label_set_text (GTK_LABEL (priv->comments_label), priv->comments); gtk_widget_show (priv->comments_label); } else { priv->comments = NULL; gtk_widget_hide (priv->comments_label); } g_free (tmp); g_object_notify (G_OBJECT (about), "comments"); } /** * gtk_about_dialog_get_license: * @about: a #GtkAboutDialog * * Returns the license information. * * Return value: The license information. The string is owned by the about * dialog and must not be modified. * * Since: 2.6 **/ G_CONST_RETURN gchar * gtk_about_dialog_get_license (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL); priv = (GtkAboutDialogPrivate *)about->private_data; return priv->license; } /** * gtk_about_dialog_set_license: * @about: a #GtkAboutDialog * @license: the license information or %NULL * * Sets the license information to be displayed in the secondary * license dialog. If @license is %NULL, the license button is * hidden. * * Since: 2.6 **/ void gtk_about_dialog_set_license (GtkAboutDialog *about, const gchar *license) { GtkAboutDialogPrivate *priv; gchar *tmp; g_return_if_fail (GTK_IS_ABOUT_DIALOG (about)); priv = (GtkAboutDialogPrivate *)about->private_data; tmp = priv->license; if (license) { priv->license = g_strdup (license); gtk_widget_show (priv->license_button); } else { priv->license = NULL; gtk_widget_hide (priv->license_button); } g_free (tmp); g_object_notify (G_OBJECT (about), "license"); } /** * gtk_about_dialog_get_website: * @about: a #GtkAboutDialog * * Returns the website URL. * * Return value: The website URL. The string is owned by the about * dialog and must not be modified. * * Since: 2.6 **/ G_CONST_RETURN gchar * gtk_about_dialog_get_website (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL); priv = (GtkAboutDialogPrivate *)about->private_data; return priv->website; } /** * gtk_about_dialog_set_website: * @about: a #GtkAboutDialog * @website: a URL string starting with "http://" * * Sets the URL to use for the website link. * * Since: 2.6 **/ void gtk_about_dialog_set_website (GtkAboutDialog *about, const gchar *website) { GtkAboutDialogPrivate *priv; gchar *tmp; g_return_if_fail (GTK_IS_ABOUT_DIALOG (about)); priv = (GtkAboutDialogPrivate *)about->private_data; tmp = priv->website; if (website != NULL) { priv->website = g_strdup (website); if (activate_url_hook != NULL) { g_object_set_data_full (G_OBJECT (priv->website_button), "url", g_strdup (website), g_free); if (priv->website_label == NULL) gtk_about_dialog_set_website_label (about, website); } else { GtkWidget *hbox = priv->website_button->parent; gtk_widget_destroy (priv->website_button); priv->website_button = gtk_label_new (website); gtk_label_set_selectable (GTK_LABEL (priv->website_button), TRUE); gtk_container_add (GTK_CONTAINER (hbox), priv->website_button); gtk_widget_show (priv->website_button); } } else { priv->website = NULL; g_object_set_data (G_OBJECT (priv->website_button), "url", NULL); } g_free (tmp); g_object_notify (G_OBJECT (about), "website"); } /** * gtk_about_dialog_get_website_label: * @about: a #GtkAboutDialog * * Returns the label used for the website link. * * Return value: The label used for the website link. The string is owned by the about * dialog and must not be modified. * * Since: 2.6 **/ G_CONST_RETURN gchar * gtk_about_dialog_get_website_label (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL); priv = (GtkAboutDialogPrivate *)about->private_data; return priv->website_label; } /** * gtk_about_dialog_set_website_label: * @about: a #GtkAboutDialog * @website_label: the label used for the website link * * Sets the label to be used for the website link. * It defaults to the website URL. * * Since: 2.6 **/ void gtk_about_dialog_set_website_label (GtkAboutDialog *about, const gchar *website_label) { GtkAboutDialogPrivate *priv; gchar *tmp; g_return_if_fail (GTK_IS_ABOUT_DIALOG (about)); priv = (GtkAboutDialogPrivate *)about->private_data; tmp = priv->website_label; if (activate_url_hook != NULL) { if (website_label != NULL) { priv->website_label = g_strdup (website_label); set_link_button_text (GTK_WIDGET (about), priv->website_button, priv->website_label); gtk_widget_show (priv->website_button); } else { priv->website_label = NULL; gtk_widget_hide (priv->website_button); } } g_free (tmp); g_object_notify (G_OBJECT (about), "website_label"); } /** * gtk_about_dialog_get_authors: * @about: a #GtkAboutDialog * * Returns the string which are displayed in the authors tab * of the secondary credits dialog. * * Return value: A %NULL-terminated string array containing * the authors. The array is owned by the about dialog * and must not be modified. * * Since: 2.6 **/ gchar ** gtk_about_dialog_get_authors (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL); priv = (GtkAboutDialogPrivate *)about->private_data; return priv->authors; } /** * gtk_about_dialog_set_authors: * @about: a #GtkAboutDialog * @authors: a %NULL-terminated array of strings * * Sets the strings which are displayed in the authors tab * of the secondary credits dialog. * * Since: 2.6 **/ void gtk_about_dialog_set_authors (GtkAboutDialog *about, gchar **authors) { GtkAboutDialogPrivate *priv; gchar **tmp; g_return_if_fail (GTK_IS_ABOUT_DIALOG (about)); priv = (GtkAboutDialogPrivate *)about->private_data; tmp = priv->authors; priv->authors = g_strdupv (authors); g_strfreev (tmp); if (priv->authors != NULL) gtk_widget_show (priv->credits_button); g_object_notify (G_OBJECT (about), "authors"); } /** * gtk_about_dialog_get_documenters: * @about: a #GtkAboutDialog * * Returns the string which are displayed in the documenters * tab of the secondary credits dialog. * * Return value: A %NULL-terminated string array containing * the documenters. The array is owned by the about dialog * and must not be modified. * * Since: 2.6 **/ gchar ** gtk_about_dialog_get_documenters (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL); priv = (GtkAboutDialogPrivate *)about->private_data; return priv->documenters; } /** * gtk_about_dialog_set_documenters: * @about: a #GtkAboutDialog * @documenters: a %NULL-terminated array of strings * * Sets the strings which are displayed in the documenters tab * of the secondary credits dialog. * * Since: 2.6 **/ void gtk_about_dialog_set_documenters (GtkAboutDialog *about, gchar **documenters) { GtkAboutDialogPrivate *priv; gchar **tmp; g_return_if_fail (GTK_IS_ABOUT_DIALOG (about)); priv = (GtkAboutDialogPrivate *)about->private_data; tmp = priv->documenters; priv->documenters = g_strdupv (documenters); g_strfreev (tmp); if (priv->documenters != NULL) gtk_widget_show (priv->credits_button); g_object_notify (G_OBJECT (about), "documenters"); } /** * gtk_about_dialog_get_artists: * @about: a #GtkAboutDialog * * Returns the string which are displayed in the artists tab * of the secondary credits dialog. * * Return value: A %NULL-terminated string array containing * the artists. The array is owned by the about dialog * and must not be modified. * * Since: 2.6 **/ gchar ** gtk_about_dialog_get_artists (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL); priv = (GtkAboutDialogPrivate *)about->private_data; return priv->artists; } /** * gtk_about_dialog_set_artists: * @about: a #GtkAboutDialog * @artists: a %NULL-terminated array of strings * * Sets the strings which are displayed in the artists tab * of the secondary credits dialog. * * Since: 2.6 **/ void gtk_about_dialog_set_artists (GtkAboutDialog *about, gchar **artists) { GtkAboutDialogPrivate *priv; gchar **tmp; g_return_if_fail (GTK_IS_ABOUT_DIALOG (about)); priv = (GtkAboutDialogPrivate *)about->private_data; tmp = priv->artists; priv->artists = g_strdupv (artists); g_strfreev (tmp); if (priv->artists != NULL) gtk_widget_show (priv->credits_button); g_object_notify (G_OBJECT (about), "artists"); } /** * gtk_about_dialog_get_translator_credits: * @about: a #GtkAboutDialog * * Returns the translator credits string which is displayed * in the translators tab of the secondary credits dialog. * * Return value: The translator credits string. The string is * owned by the about dialog and must not be modified. * * Since: 2.6 **/ G_CONST_RETURN gchar * gtk_about_dialog_get_translator_credits (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL); priv = (GtkAboutDialogPrivate *)about->private_data; return priv->translator_credits; } /** * gtk_about_dialog_set_translator_credits: * @about: a #GtkAboutDialog * @translator_credits: the translator credits * * Sets the translator credits string which is displayed in * the translators tab of the secondary credits dialog. * * The intended use for this string is to display the translator * of the language which is currently used in the user interface. * Using gettext(), a simple way to achieve that is to mark the * string for translation: * * gtk_about_dialog_set_translator_credits (about, _("translator_credits")); * * It is a good idea to use the customary msgid "translator_credits" for this * purpose, since translators will already know the purpose of that msgid, and * since #GtkAboutDialog will detect if "translator_credits" is untranslated * and hide the tab. * * Since: 2.6 **/ void gtk_about_dialog_set_translator_credits (GtkAboutDialog *about, const gchar *translator_credits) { GtkAboutDialogPrivate *priv; gchar *tmp; g_return_if_fail (GTK_IS_ABOUT_DIALOG (about)); priv = (GtkAboutDialogPrivate *)about->private_data; tmp = priv->translator_credits; priv->translator_credits = g_strdup (translator_credits); g_free (tmp); if (priv->translator_credits != NULL) gtk_widget_show (priv->credits_button); g_object_notify (G_OBJECT (about), "translator-credits"); } /** * gtk_about_dialog_get_logo: * @about: a #GtkAboutDialog * * Returns the pixbuf displayed as logo in the about dialog. * * Return value: the pixbuf displayed as logo. The pixbuf is * owned by the about dialog. If you want to keep a reference * to it, you have to call g_object_ref() on it. * * Since: 2.6 **/ GdkPixbuf * gtk_about_dialog_get_logo (GtkAboutDialog *about) { GtkAboutDialogPrivate *priv; g_return_val_if_fail (GTK_IS_ABOUT_DIALOG (about), NULL); priv = (GtkAboutDialogPrivate *)about->private_data; return gtk_image_get_pixbuf (GTK_IMAGE (priv->logo_image)); } static GtkIconSet * icon_set_new_from_pixbufs (GList *pixbufs) { GtkIconSet *icon_set = gtk_icon_set_new (); for (; pixbufs; pixbufs = pixbufs->next) { GdkPixbuf *pixbuf = GDK_PIXBUF (pixbufs->data); GtkIconSource *icon_source = gtk_icon_source_new (); gtk_icon_source_set_pixbuf (icon_source, pixbuf); gtk_icon_set_add_source (icon_set, icon_source); } return icon_set; } /** * gtk_about_dialog_set_logo: * @about: a #GtkAboutDialog * @logo: a #GdkPixbuf, or %NULL * * Sets the pixbuf to be displayed as logo in * the about dialog. If it is %NULL, the default * window icon set with gtk_window_set_default_icon () * will be used. * * Since: 2.6 **/ void gtk_about_dialog_set_logo (GtkAboutDialog *about, GdkPixbuf *logo) { GtkAboutDialogPrivate *priv; g_return_if_fail (GTK_IS_ABOUT_DIALOG (about)); priv = (GtkAboutDialogPrivate *)about->private_data; if (logo != NULL) gtk_image_set_from_pixbuf (GTK_IMAGE (priv->logo_image), logo); else { GList *pixbufs = gtk_window_get_default_icon_list (); if (pixbufs != NULL) { GtkIconSet *icon_set = icon_set_new_from_pixbufs (pixbufs); gtk_image_set_from_icon_set (GTK_IMAGE (priv->logo_image), icon_set, GTK_ICON_SIZE_DIALOG); gtk_icon_set_unref (icon_set); g_list_free (pixbufs); } } g_object_notify (G_OBJECT (about), "logo"); } static void activate_url (GtkWidget *widget, gpointer data) { GtkAboutDialog *about = GTK_ABOUT_DIALOG (data); gchar *url = g_object_get_data (G_OBJECT (widget), "url"); if (activate_url_hook != NULL) (* activate_url_hook) (about, url); } static void set_link_button_text (GtkWidget *about, GtkWidget *button, gchar *text) { GtkWidget *label; gchar *link; GdkColor *style_link_color; GdkColor link_color = { 0, 0, 0, 0xffff }; gtk_widget_ensure_style (about); gtk_widget_style_get (about, "link_color", &style_link_color, NULL); if (style_link_color) { link_color = *style_link_color; gdk_color_free (style_link_color); } link = g_markup_printf_escaped ("%s", link_color.red, link_color.green, link_color.blue, text); label = gtk_bin_get_child (GTK_BIN (button)); gtk_label_set_markup (GTK_LABEL (label), link); g_free (link); } static GtkWidget * create_link_button (GtkWidget *about, gchar *text, gchar *url, GCallback callback, gpointer data) { GtkWidget *button; button = gtk_button_new_with_label (""); GTK_WIDGET_UNSET_FLAGS (button, GTK_RECEIVES_DEFAULT); gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE); g_object_set_data_full (G_OBJECT (button), "url", g_strdup (url), g_free); set_link_button_text (about, button, text); g_signal_connect (G_OBJECT (button), "clicked", callback, data); return button; } static void follow_if_link (GtkAboutDialog *about, GtkTextIter *iter) { GSList *tags = NULL, *tagp = NULL; tags = gtk_text_iter_get_tags (iter); for (tagp = tags; tagp != NULL; tagp = tagp->next) { GtkTextTag *tag = tagp->data; gchar *email = g_object_get_data (G_OBJECT (tag), "email"); gchar *url = g_object_get_data (G_OBJECT (tag), "url"); if (email != NULL && activate_email_hook != NULL) { (* activate_email_hook) (about, email); break; } if (url != NULL && activate_url_hook != NULL) { (* activate_url_hook) (about, url); break; } } if (tags) g_slist_free (tags); } static gboolean credits_key_press_event (GtkWidget *text_view, GdkEventKey *event, GtkAboutDialog *about) { GtkTextIter iter; GtkTextBuffer *buffer; switch (event->keyval) { case GDK_Return: case GDK_KP_Enter: buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view)); gtk_text_buffer_get_iter_at_mark (buffer, &iter, gtk_text_buffer_get_insert (buffer)); follow_if_link (about, &iter); break; default: break; } return FALSE; } static gboolean credits_event_after (GtkWidget *text_view, GdkEvent *event, GtkAboutDialog *about) { GtkTextIter start, end, iter; GtkTextBuffer *buffer; GdkEventButton *button_event; gint x, y; if (event->type != GDK_BUTTON_RELEASE) return FALSE; button_event = (GdkEventButton *)event; if (button_event->button != 1) return FALSE; buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view)); /* we shouldn't follow a link if the user has selected something */ gtk_text_buffer_get_selection_bounds (buffer, &start, &end); if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end)) return FALSE; gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view), GTK_TEXT_WINDOW_WIDGET, button_event->x, button_event->y, &x, &y); gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (text_view), &iter, x, y); follow_if_link (about, &iter); return FALSE; } static void set_cursor_if_appropriate (GtkAboutDialog *about, GtkTextView *text_view, gint x, gint y) { GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data; GSList *tags = NULL, *tagp = NULL; GtkTextBuffer *buffer; GtkTextIter iter; gboolean hovering_over_link = FALSE; buffer = gtk_text_view_get_buffer (text_view); gtk_text_view_get_iter_at_location (text_view, &iter, x, y); tags = gtk_text_iter_get_tags (&iter); for (tagp = tags; tagp != NULL; tagp = tagp->next) { GtkTextTag *tag = tagp->data; gchar *email = g_object_get_data (G_OBJECT (tag), "email"); gchar *url = g_object_get_data (G_OBJECT (tag), "url"); if (email != NULL || url != NULL) { hovering_over_link = TRUE; break; } } if (hovering_over_link != priv->hovering_over_link) { priv->hovering_over_link = hovering_over_link; if (hovering_over_link) gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->hand_cursor); else gdk_window_set_cursor (gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT), priv->regular_cursor); } if (tags) g_slist_free (tags); } static gboolean credits_motion_notify_event (GtkWidget *text_view, GdkEventMotion *event, GtkAboutDialog *about) { gint x, y; gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view), GTK_TEXT_WINDOW_WIDGET, event->x, event->y, &x, &y); set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), x, y); gdk_window_get_pointer (text_view->window, NULL, NULL, NULL); return FALSE; } static gboolean credits_visibility_notify_event (GtkWidget *text_view, GdkEventVisibility *event, GtkAboutDialog *about) { gint wx, wy, bx, by; gdk_window_get_pointer (text_view->window, &wx, &wy, NULL); gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (text_view), GTK_TEXT_WINDOW_WIDGET, wx, wy, &bx, &by); set_cursor_if_appropriate (about, GTK_TEXT_VIEW (text_view), bx, by); return FALSE; } static void text_view_style_set (GtkWidget *widget, GtkStyle *prev_style, GtkWidget *text_view) { gtk_widget_modify_base (text_view, GTK_STATE_NORMAL, &widget->style->bg[GTK_STATE_NORMAL]); } static void add_credits_page (GtkAboutDialog *about, GtkWidget *notebook, gchar *title, gchar **people) { gchar **p; gchar *q0, *q1, *q2, *r1, *r2; GtkWidget *sw, *view; GtkTextBuffer *buffer; GtkStyle *style; gboolean linkify_email, linkify_urls; GdkColor *style_link_color; GdkColor link_color = { 0, 0, 0, 0xffff }; linkify_email = (activate_email_hook != NULL); linkify_urls = (activate_url_hook != NULL); gtk_widget_ensure_style (GTK_WIDGET (about)); gtk_widget_style_get (GTK_WIDGET (about), "link_color", &style_link_color, NULL); if (style_link_color) { link_color = *style_link_color; gdk_color_free (style_link_color); } view = gtk_text_view_new (); g_signal_connect (about, "style_set", G_CALLBACK (text_view_style_set), view); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE); gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE); gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8); gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8); g_signal_connect (G_OBJECT (view), "key-press-event", G_CALLBACK (credits_key_press_event), about); g_signal_connect (G_OBJECT (view), "event-after", G_CALLBACK (credits_event_after), about); g_signal_connect (G_OBJECT (view), "motion-notify-event", G_CALLBACK (credits_motion_notify_event), about); g_signal_connect (G_OBJECT (view), "visibility-notify-event", G_CALLBACK (credits_visibility_notify_event), about); sw = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_container_add (GTK_CONTAINER (sw), view); gtk_notebook_append_page (GTK_NOTEBOOK (notebook), sw, gtk_label_new (title)); if (people == NULL) { gtk_widget_hide (view); return; } else gtk_widget_show (view); for (p = people; *p; p++) { q0 = *p; while (*q0) { q1 = linkify_email ? strchr (q0, '<') : NULL; q2 = q1 ? strchr (q1, '>') : NULL; r1 = linkify_urls ? strstr (q0, "http://") : NULL; if (r1) { r2 = strpbrk (r1, " \n\t"); if (!r2) r2 = strchr (r1, '\0'); } else r2 = NULL; if (r1 && r2 && (!q1 || !q2 || (r1 < q1))) { q1 = r1; q2 = r2; } if (q1 && q2) { GtkTextIter end; gchar *link; gchar *link_type; GtkTextTag *tag; gtk_text_buffer_insert_at_cursor (buffer, q0, q1 - q0); gtk_text_buffer_get_end_iter (buffer, &end); q0 = q2; if (*q1 == '<') { q1++; q0++; link_type = "email"; } else link_type = "url"; link = g_strndup (q1, q2 - q1); tag = gtk_text_buffer_create_tag (buffer, NULL, "foreground_gdk", &link_color, "underline", PANGO_UNDERLINE_SINGLE, NULL); g_object_set_data_full (G_OBJECT (tag), link_type, g_strdup (link), g_free); gtk_text_buffer_insert_with_tags (buffer, &end, link, -1, tag, NULL); g_free (link); } else { gtk_text_buffer_insert_at_cursor (buffer, q0, -1); break; } } if (p[1]) gtk_text_buffer_insert_at_cursor (buffer, "\n", 1); } } static void display_credits_dialog (GtkWidget *button, gpointer data) { GtkAboutDialog *about = (GtkAboutDialog *)data; GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data; GtkWidget *dialog, *notebook; if (priv->credits_dialog != NULL) { gtk_window_present (GTK_WINDOW (priv->credits_dialog)); return; } dialog = gtk_dialog_new_with_buttons (_("Credits"), GTK_WINDOW (about), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE, NULL); gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE); priv->credits_dialog = dialog; gtk_window_set_default_size (GTK_WINDOW (dialog), 360, 260); gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE); gtk_window_set_modal (GTK_WINDOW (dialog), gtk_window_get_modal (GTK_WINDOW (about))); g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), dialog); g_signal_connect (dialog, "destroy", G_CALLBACK (gtk_widget_destroyed), &(priv->credits_dialog)); notebook = gtk_notebook_new (); gtk_container_set_border_width (GTK_CONTAINER (notebook), 8); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), notebook, TRUE, TRUE, 0); if (priv->authors != NULL) add_credits_page (about, notebook, _("Written by"), priv->authors); if (priv->documenters != NULL) add_credits_page (about, notebook, _("Documented by"), priv->documenters); if (priv->translator_credits != NULL && !strcmp (priv->translator_credits, "translator_credits") && !strcmp (priv->translator_credits, "translator-credits")) { gchar *translators[2]; translators[0] = priv->translator_credits; translators[1] = NULL; add_credits_page (about, notebook, _("Translated by"), translators); } if (priv->artists != NULL) add_credits_page (about, notebook, _("Artwork by"), priv->artists); gtk_widget_show_all (dialog); } static void display_license_dialog (GtkWidget *button, gpointer data) { GtkAboutDialog *about = (GtkAboutDialog *)data; GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data; GtkWidget *dialog, *view, *sw; if (priv->license_dialog != NULL) { gtk_window_present (GTK_WINDOW (priv->license_dialog)); return; } dialog = gtk_dialog_new_with_buttons (_("License"), GTK_WINDOW (about), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE, NULL); gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE); priv->license_dialog = dialog; gtk_window_set_default_size (GTK_WINDOW (dialog), 420, 320); gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE); gtk_window_set_modal (GTK_WINDOW (dialog), gtk_window_get_modal (GTK_WINDOW (about))); g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), dialog); g_signal_connect (dialog, "destroy", G_CALLBACK (gtk_widget_destroyed), &(priv->license_dialog)); sw = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_IN); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_container_set_border_width (GTK_CONTAINER (sw), 8); gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), sw, TRUE, TRUE, 0); view = gtk_text_view_new (); gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)), priv->license, -1); gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE); gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE); gtk_text_view_set_left_margin (GTK_TEXT_VIEW (view), 8); gtk_text_view_set_right_margin (GTK_TEXT_VIEW (view), 8); gtk_container_add (GTK_CONTAINER (sw), view); gtk_widget_show_all (dialog); } /** * gtk_about_dialog_new: * * Creates a new #GtkAboutDialog. * * Returns: a newly created #GtkAboutDialog * * Since: 2.6 */ GtkWidget * gtk_about_dialog_new (void) { GtkAboutDialog *dialog = GTK_ABOUT_DIALOG (g_object_new (GTK_TYPE_ABOUT_DIALOG, NULL)); /* force defaults */ gtk_about_dialog_set_name (dialog, NULL); gtk_about_dialog_set_logo (dialog, NULL); /* Close dialog on user response */ g_signal_connect (G_OBJECT (dialog), "response", G_CALLBACK (gtk_widget_hide), NULL); return GTK_WIDGET (dialog); } /** * gtk_about_dialog_set_email_hook: * @func: a function to call when an email link is activated. * * Installs a global function to be called whenever the user activates an * email link in an about dialog. * * Return value: the previous email hook. * * Since: 2.6 */ GtkAboutDialogActivateLinkFunc gtk_about_dialog_set_email_hook (GtkAboutDialogActivateLinkFunc func) { GtkAboutDialogActivateLinkFunc old; old = activate_email_hook; activate_email_hook = func; return old; } /** * gtk_about_dialog_set_url_hook: * @func: a function to call when a URL link is activated. * * Installs a global function to be called whenever the user activates a * URL link in an about dialog. * * Return value: the previous URL hook. * * Since: 2.6 */ GtkAboutDialogActivateLinkFunc gtk_about_dialog_set_url_hook (GtkAboutDialogActivateLinkFunc func) { GtkAboutDialogActivateLinkFunc old; old = activate_url_hook; activate_url_hook = func; return old; } /** * gtk_show_about_dialog: * @parent: transient parent, or %NULL for none * @first_property_name: the name of the first property * @Varargs: value of first property, followed by more properties, %NULL-terminated * * This is a convenience function for showing an application's about box. * * Since: 2.6 */ void gtk_show_about_dialog (GtkWindow *parent, const gchar *first_property_name, ...) { static GtkWidget *global_about_dialog = NULL; GtkWidget *dialog = NULL; va_list var_args; if (parent) dialog = g_object_get_data (G_OBJECT (parent), "gtk-about-dialog"); else dialog = global_about_dialog; if (!dialog) { dialog = gtk_about_dialog_new (); g_object_ref (G_OBJECT (dialog)); gtk_object_sink (GTK_OBJECT (dialog)); g_signal_connect (dialog, "delete_event", G_CALLBACK (gtk_widget_hide_on_delete), NULL); va_start (var_args, first_property_name); g_object_set_valist (G_OBJECT (dialog), first_property_name, var_args); va_end (var_args); if (parent) { gtk_window_set_transient_for (GTK_WINDOW (dialog), parent); g_object_set_data_full (G_OBJECT (parent), "gtk-about-dialog", dialog, g_object_unref); } else global_about_dialog = dialog; } gtk_window_present (GTK_WINDOW (dialog)); }