/* * Copyright © 2002 Christophe Fergeau * Copyright © 2003, 2004 Marco Pesenti Gritti * Copyright © 2003, 2004, 2005 Christian Persch * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * $Id$ */ #include "config.h" #include "ephy-notebook.h" #include "eel-gconf-extensions.h" #include "ephy-prefs.h" #include "ephy-marshal.h" #include "ephy-file-helpers.h" #include "ephy-dnd.h" #include "ephy-embed.h" #include "ephy-window.h" #include "ephy-shell.h" #include "ephy-spinner.h" #include "ephy-link.h" #include "ephy-debug.h" #include #include #include #include #include #include #include #include #include #include #define TAB_WIDTH_N_CHARS 15 #define AFTER_ALL_TABS -1 #define NOT_IN_APP_WINDOWS -2 #define INSANE_NUMBER_OF_URLS 20 #define EPHY_NOTEBOOK_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_NOTEBOOK, EphyNotebookPrivate)) struct _EphyNotebookPrivate { GList *focused_pages; guint tabs_vis_notifier_id; guint show_tabs : 1; guint dnd_enabled : 1; }; static void ephy_notebook_init (EphyNotebook *notebook); static void ephy_notebook_class_init (EphyNotebookClass *klass); static void ephy_notebook_finalize (GObject *object); static int ephy_notebook_insert_page (GtkNotebook *notebook, GtkWidget *child, GtkWidget *tab_label, GtkWidget *menu_label, int position); static void ephy_notebook_remove (GtkContainer *container, GtkWidget *tab_widget); static const GtkTargetEntry url_drag_types [] = { { EPHY_DND_URI_LIST_TYPE, 0, 0 }, { EPHY_DND_URL_TYPE, 0, 1 } }; enum { PROP_0, PROP_DND_ENABLED, PROP_SHOW_TABS }; enum { TAB_CLOSE_REQUEST, LAST_SIGNAL }; static guint signals[LAST_SIGNAL]; static GObjectClass *parent_class; GType ephy_notebook_get_type (void) { static GType type = 0; if (G_UNLIKELY (type == 0)) { const GTypeInfo our_info = { sizeof (EphyNotebookClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) ephy_notebook_class_init, NULL, NULL, /* class_data */ sizeof (EphyNotebook), 0, /* n_preallocs */ (GInstanceInitFunc) ephy_notebook_init }; const GInterfaceInfo link_info = { NULL, NULL, NULL }; type = g_type_register_static (GTK_TYPE_NOTEBOOK, "EphyNotebook", &our_info, 0); g_type_add_interface_static (type, EPHY_TYPE_LINK, &link_info); } return type; } void ephy_notebook_set_dnd_enabled (EphyNotebook *notebook, gboolean enabled) { EphyNotebookPrivate *priv = notebook->priv; priv->dnd_enabled = enabled; /* FIXME abort any DNDs in progress */ g_object_notify (G_OBJECT (notebook), "dnd-enabled"); } static void ephy_notebook_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { EphyNotebook *notebook = EPHY_NOTEBOOK (object); EphyNotebookPrivate *priv = notebook->priv; switch (prop_id) { case PROP_DND_ENABLED: g_value_set_boolean (value, priv->dnd_enabled); break; case PROP_SHOW_TABS: g_value_set_boolean (value, priv->show_tabs); break; } } static void ephy_notebook_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { EphyNotebook *notebook = EPHY_NOTEBOOK (object); switch (prop_id) { case PROP_DND_ENABLED: ephy_notebook_set_dnd_enabled (notebook, g_value_get_boolean (value)); break; case PROP_SHOW_TABS: ephy_notebook_set_show_tabs (notebook, g_value_get_boolean (value)); break; } } static void ephy_notebook_class_init (EphyNotebookClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass); GtkNotebookClass *notebook_class = GTK_NOTEBOOK_CLASS (klass); parent_class = g_type_class_peek_parent (klass); object_class->finalize = ephy_notebook_finalize; object_class->get_property = ephy_notebook_get_property; object_class->set_property = ephy_notebook_set_property; container_class->remove = ephy_notebook_remove; notebook_class->insert_page = ephy_notebook_insert_page; signals[TAB_CLOSE_REQUEST] = g_signal_new ("tab-close-request", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EphyNotebookClass, tab_close_req), NULL, NULL, g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1, EPHY_TYPE_TAB); g_object_class_install_property (object_class, PROP_DND_ENABLED, g_param_spec_boolean ("dnd-enabled", "DND enabled", "Whether the notebook allows tab reordering by DND", TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB)); g_object_class_install_property (object_class, PROP_SHOW_TABS, g_param_spec_boolean ("show-tabs", "Show tabs", "Whether the notebook shows the tabs bar", TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB)); g_type_class_add_private (object_class, sizeof (EphyNotebookPrivate)); } /* FIXME remove when gtknotebook's func for this becomes public, bug #.... */ static EphyNotebook * find_notebook_at_pointer (gint abs_x, gint abs_y) { GdkWindow *win_at_pointer, *toplevel_win; gpointer toplevel = NULL; gint x, y; /* FIXME multi-head */ win_at_pointer = gdk_window_at_pointer (&x, &y); if (win_at_pointer == NULL) { /* We are outside all windows containing a notebook */ return NULL; } toplevel_win = gdk_window_get_toplevel (win_at_pointer); /* get the GtkWidget which owns the toplevel GdkWindow */ gdk_window_get_user_data (toplevel_win, &toplevel); /* toplevel should be an EphyWindow */ if (toplevel != NULL && EPHY_IS_WINDOW (toplevel)) { return EPHY_NOTEBOOK (ephy_window_get_notebook (EPHY_WINDOW (toplevel))); } return NULL; } static gboolean is_in_notebook_window (EphyNotebook *notebook, gint abs_x, gint abs_y) { EphyNotebook *nb_at_pointer; nb_at_pointer = find_notebook_at_pointer (abs_x, abs_y); return nb_at_pointer == notebook; } static gint find_tab_num_at_pos (EphyNotebook *notebook, gint abs_x, gint abs_y) { GtkPositionType tab_pos; int page_num = 0; GtkNotebook *nb = GTK_NOTEBOOK (notebook); GtkWidget *page; tab_pos = gtk_notebook_get_tab_pos (GTK_NOTEBOOK (notebook)); if (GTK_NOTEBOOK (notebook)->first_tab == NULL) { return AFTER_ALL_TABS; } /* For some reason unfullscreen + quick click can cause a wrong click event to be reported to the tab */ if (!is_in_notebook_window(notebook, abs_x, abs_y)) { return NOT_IN_APP_WINDOWS; } while ((page = gtk_notebook_get_nth_page (nb, page_num))) { GtkWidget *tab; gint max_x, max_y; gint x_root, y_root; tab = gtk_notebook_get_tab_label (nb, page); g_return_val_if_fail (tab != NULL, -1); if (!GTK_WIDGET_MAPPED (GTK_WIDGET (tab))) { page_num++; continue; } gdk_window_get_origin (GDK_WINDOW (tab->window), &x_root, &y_root); max_x = x_root + tab->allocation.x + tab->allocation.width; max_y = y_root + tab->allocation.y + tab->allocation.height; if (((tab_pos == GTK_POS_TOP) || (tab_pos == GTK_POS_BOTTOM)) &&(abs_x<=max_x)) { return page_num; } else if (((tab_pos == GTK_POS_LEFT) || (tab_pos == GTK_POS_RIGHT)) && (abs_y<=max_y)) { return page_num; } page_num++; } return AFTER_ALL_TABS; } static gboolean button_press_cb (EphyNotebook *notebook, GdkEventButton *event, gpointer data) { int tab_clicked; tab_clicked = find_tab_num_at_pos (notebook, event->x_root, event->y_root); if (event->type == GDK_BUTTON_PRESS && event->button == 3 && (event->state & gtk_accelerator_get_default_mod_mask ()) == 0) { if (tab_clicked == -1) { /* consume event, so that we don't pop up the context menu when * the mouse if not over a tab label */ return TRUE; } /* switch to the page the mouse is over, but don't consume the event */ gtk_notebook_set_current_page (GTK_NOTEBOOK (notebook), tab_clicked); } return FALSE; } static void ephy_notebook_switch_page_cb (GtkNotebook *notebook, GtkNotebookPage *page, guint page_num, gpointer data) { EphyNotebook *nb = EPHY_NOTEBOOK (notebook); EphyNotebookPrivate *priv = nb->priv; GtkWidget *child; child = gtk_notebook_get_nth_page (notebook, page_num); /* Remove the old page, we dont want to grow unnecessarily * the list */ if (priv->focused_pages) { priv->focused_pages = g_list_remove (priv->focused_pages, child); } priv->focused_pages = g_list_append (priv->focused_pages, child); } static void notebook_drag_data_received_cb (GtkWidget* widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint time, EphyTab *tab) { EphyWindow *window; GtkWidget *notebook; g_signal_stop_emission_by_name (widget, "drag_data_received"); if (eel_gconf_get_boolean (CONF_LOCKDOWN_DISABLE_ARBITRARY_URL)) return; if (selection_data->length <= 0 || selection_data->data == NULL) return; window = EPHY_WINDOW (gtk_widget_get_toplevel (widget)); notebook = ephy_window_get_notebook (window); if (selection_data->target == gdk_atom_intern (EPHY_DND_URL_TYPE, FALSE)) { char **split; /* URL_TYPE has format: url \n title */ split = g_strsplit ((const gchar *)selection_data->data, "\n", 2); if (split != NULL && split[0] != NULL && split[0][0] != '\0') { ephy_link_open (EPHY_LINK (notebook), split[0], tab, tab ? 0 : EPHY_LINK_NEW_TAB); } g_strfreev (split); } else if (selection_data->target == gdk_atom_intern (EPHY_DND_URI_LIST_TYPE, FALSE)) { char **uris; int i; uris = gtk_selection_data_get_uris (selection_data); if (uris == NULL) return; for (i = 0; uris[i] != NULL && i < INSANE_NUMBER_OF_URLS; i++) { tab = ephy_link_open (EPHY_LINK (notebook), uris[i], tab, (tab && i == 0) ? 0 : EPHY_LINK_NEW_TAB); } g_strfreev (uris); } else { char *text; text = (char *) gtk_selection_data_get_text (selection_data); if (text != NULL) { ephy_link_open (EPHY_LINK (notebook), text, tab, tab ? 0 : EPHY_LINK_NEW_TAB); g_free (text); } } } /* * update_tabs_visibility: Hide tabs if there is only one tab * and the pref is not set. */ static void update_tabs_visibility (EphyNotebook *nb, gboolean before_inserting) { EphyNotebookPrivate *priv = nb->priv; gboolean show_tabs; guint num; num = gtk_notebook_get_n_pages (GTK_NOTEBOOK (nb)); if (before_inserting) num++; show_tabs = (eel_gconf_get_boolean (CONF_ALWAYS_SHOW_TABS_BAR) || num > 1) && priv->show_tabs == TRUE; gtk_notebook_set_show_tabs (GTK_NOTEBOOK (nb), show_tabs); } static void tabs_visibility_notifier (GConfClient *client, guint cnxn_id, GConfEntry *entry, EphyNotebook *nb) { update_tabs_visibility (nb, FALSE); } static void ephy_notebook_init (EphyNotebook *notebook) { EphyNotebookPrivate *priv; priv = notebook->priv = EPHY_NOTEBOOK_GET_PRIVATE (notebook); gtk_notebook_set_scrollable (GTK_NOTEBOOK (notebook), TRUE); gtk_notebook_set_show_border (GTK_NOTEBOOK (notebook), FALSE); gtk_notebook_set_show_tabs (GTK_NOTEBOOK (notebook), FALSE); priv->show_tabs = TRUE; priv->dnd_enabled = TRUE; g_signal_connect (notebook, "button-press-event", (GCallback)button_press_cb, NULL); g_signal_connect_after (notebook, "switch-page", G_CALLBACK (ephy_notebook_switch_page_cb), NULL); /* Set up drag-and-drop target */ g_signal_connect (notebook, "drag-data-received", G_CALLBACK (notebook_drag_data_received_cb), NULL); gtk_drag_dest_set (GTK_WIDGET (notebook), GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP, url_drag_types, G_N_ELEMENTS (url_drag_types), GDK_ACTION_MOVE | GDK_ACTION_COPY); gtk_drag_dest_add_text_targets (GTK_WIDGET(notebook)); priv->tabs_vis_notifier_id = eel_gconf_notification_add (CONF_ALWAYS_SHOW_TABS_BAR, (GConfClientNotifyFunc)tabs_visibility_notifier, notebook); } static void ephy_notebook_finalize (GObject *object) { EphyNotebook *notebook = EPHY_NOTEBOOK (object); EphyNotebookPrivate *priv = notebook->priv; eel_gconf_notification_remove (priv->tabs_vis_notifier_id); g_list_free (priv->focused_pages); G_OBJECT_CLASS (parent_class)->finalize (object); } static void sync_load_status (EphyEmbed *embed, GParamSpec *pspec, GtkWidget *proxy) { GtkWidget *spinner, *icon; spinner = GTK_WIDGET (g_object_get_data (G_OBJECT (proxy), "spinner")); icon = GTK_WIDGET (g_object_get_data (G_OBJECT (proxy), "icon")); g_return_if_fail (spinner != NULL && icon != NULL); if (ephy_embed_get_load_status (embed)) { gtk_widget_hide (icon); gtk_widget_show (spinner); ephy_spinner_start (EPHY_SPINNER (spinner)); } else { ephy_spinner_stop (EPHY_SPINNER (spinner)); gtk_widget_hide (spinner); gtk_widget_show (icon); } } static void sync_icon (EphyTab *tab, GParamSpec *pspec, GtkImage *icon) { gtk_image_set_from_pixbuf (icon, ephy_tab_get_icon (tab)); } static void sync_label (EphyTab *tab, GParamSpec *pspec, GtkWidget *label) { const char *title; title = ephy_tab_get_title (tab); gtk_label_set_text (GTK_LABEL (label), title); /* Set the tooltip on the label's parent (the tab label hbox), * so it covers all of the tab label. */ gtk_widget_set_tooltip_text (label->parent, title); } static void close_button_clicked_cb (GtkWidget *widget, GtkWidget *tab) { GtkWidget *notebook; notebook = gtk_widget_get_parent (tab); g_signal_emit (notebook, signals[TAB_CLOSE_REQUEST], 0, tab); } static void tab_label_style_set_cb (GtkWidget *hbox, GtkStyle *previous_style, gpointer user_data) { PangoFontMetrics *metrics; PangoContext *context; GtkWidget *button; int char_width, h, w; context = gtk_widget_get_pango_context (hbox); metrics = pango_context_get_metrics (context, hbox->style->font_desc, pango_context_get_language (context)); char_width = pango_font_metrics_get_approximate_digit_width (metrics); pango_font_metrics_unref (metrics); gtk_icon_size_lookup_for_settings (gtk_widget_get_settings (hbox), GTK_ICON_SIZE_MENU, &w, &h); gtk_widget_set_size_request (hbox, TAB_WIDTH_N_CHARS * PANGO_PIXELS(char_width) + 2 * w, -1); button = g_object_get_data (G_OBJECT (hbox), "close-button"); gtk_widget_set_size_request (button, w + 2, h + 2); } static GtkWidget * build_tab_label (EphyNotebook *nb, EphyTab *tab) { GtkWidget *hbox, *label, *close_button, *image, *spinner, *icon; GtkRcStyle *rcstyle; /* set hbox spacing and label padding (see below) so that there's an * equal amount of space around the label */ hbox = gtk_hbox_new (FALSE, 4); gtk_widget_show (hbox); /* setup load feedback */ spinner = ephy_spinner_new (); ephy_spinner_set_size (EPHY_SPINNER (spinner), GTK_ICON_SIZE_MENU); gtk_box_pack_start (GTK_BOX (hbox), spinner, FALSE, FALSE, 0); /* setup site icon, empty by default */ icon = gtk_image_new (); gtk_box_pack_start (GTK_BOX (hbox), icon, FALSE, FALSE, 0); /* don't show the icon */ /* setup label */ label = gtk_label_new (NULL); gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END); gtk_label_set_single_line_mode (GTK_LABEL (label), TRUE); gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); gtk_misc_set_padding (GTK_MISC (label), 0, 0); gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0); gtk_widget_show (label); /* setup close button */ close_button = gtk_button_new (); gtk_button_set_relief (GTK_BUTTON (close_button), GTK_RELIEF_NONE); /* don't allow focus on the close button */ gtk_button_set_focus_on_click (GTK_BUTTON (close_button), FALSE); rcstyle = gtk_widget_get_modifier_style (close_button); rcstyle->xthickness = rcstyle->ythickness = 0; gtk_widget_modify_style (close_button, rcstyle); image = gtk_image_new_from_stock (GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU); gtk_widget_set_tooltip_text (close_button, _("Close tab")); g_signal_connect (close_button, "clicked", G_CALLBACK (close_button_clicked_cb), tab); gtk_container_add (GTK_CONTAINER (close_button), image); gtk_widget_show (image); gtk_box_pack_start (GTK_BOX (hbox), close_button, FALSE, FALSE, 0); gtk_widget_show (close_button); /* Set minimal size */ g_signal_connect (hbox, "style-set", G_CALLBACK (tab_label_style_set_cb), NULL); /* Set up drag-and-drop target */ g_signal_connect (hbox, "drag-data-received", G_CALLBACK (notebook_drag_data_received_cb), tab); gtk_drag_dest_set (hbox, GTK_DEST_DEFAULT_ALL, url_drag_types, G_N_ELEMENTS (url_drag_types), GDK_ACTION_MOVE | GDK_ACTION_COPY); gtk_drag_dest_add_text_targets (hbox); g_object_set_data (G_OBJECT (hbox), "label", label); g_object_set_data (G_OBJECT (hbox), "spinner", spinner); g_object_set_data (G_OBJECT (hbox), "icon", icon); g_object_set_data (G_OBJECT (hbox), "close-button", close_button); /* Hook the label up to the tab properties */ sync_icon (tab, NULL, GTK_IMAGE (icon)); sync_label (tab, NULL, label); sync_load_status (ephy_tab_get_embed (tab), NULL, hbox); g_signal_connect_object (tab, "notify::icon", G_CALLBACK (sync_icon), icon, 0); g_signal_connect_object (tab, "notify::title", G_CALLBACK (sync_label), label, 0); g_signal_connect_object (ephy_tab_get_embed (tab), "notify::load-status", G_CALLBACK (sync_load_status), hbox, 0); return hbox; } void ephy_notebook_set_show_tabs (EphyNotebook *nb, gboolean show_tabs) { EphyNotebookPrivate *priv = nb->priv; priv->show_tabs = show_tabs != FALSE; update_tabs_visibility (nb, FALSE); } GList * ephy_notebook_get_focused_pages (EphyNotebook *nb) { g_return_val_if_fail (EPHY_IS_NOTEBOOK (nb), NULL); return nb->priv->focused_pages; } static int ephy_notebook_insert_page (GtkNotebook *gnotebook, GtkWidget *tab_widget, GtkWidget *tab_label, GtkWidget *menu_label, int position) { EphyNotebook *notebook = EPHY_NOTEBOOK (gnotebook); /* Destroy passed-in tab label */ if (tab_label != NULL) { g_object_ref_sink (tab_label); g_object_unref (tab_label); } g_assert (EPHY_IS_TAB (tab_widget)); tab_label = build_tab_label (notebook, EPHY_TAB (tab_widget)); update_tabs_visibility (notebook, TRUE); position = GTK_NOTEBOOK_CLASS (parent_class)->insert_page (gnotebook, tab_widget, tab_label, menu_label, position); gtk_notebook_set_tab_reorderable (gnotebook, tab_widget, TRUE); return position; } int ephy_notebook_add_tab (EphyNotebook *notebook, EphyTab *tab, int position, gboolean jump_to) { GtkNotebook *gnotebook = GTK_NOTEBOOK (notebook); g_return_val_if_fail (EPHY_IS_NOTEBOOK (notebook), -1); position = gtk_notebook_insert_page (GTK_NOTEBOOK (notebook), GTK_WIDGET (tab), NULL, position); /* FIXME gtk bug! */ /* The signal handler may have reordered the tabs */ position = gtk_notebook_page_num (gnotebook, GTK_WIDGET (tab)); if (jump_to) { gtk_notebook_set_current_page (gnotebook, position); g_object_set_data (G_OBJECT (tab), "jump_to", GINT_TO_POINTER (jump_to)); } return position; } static void smart_tab_switching_on_closure (EphyNotebook *notebook, GtkWidget *tab) { EphyNotebookPrivate *priv = notebook->priv; gboolean jump_to; jump_to = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tab), "jump_to")); if (!jump_to || !priv->focused_pages) { gtk_notebook_next_page (GTK_NOTEBOOK (notebook)); } else { GList *l; GtkWidget *child; int page_num; /* activate the last focused tab */ l = g_list_last (priv->focused_pages); child = GTK_WIDGET (l->data); page_num = gtk_notebook_page_num (GTK_NOTEBOOK (notebook), child); gtk_notebook_set_current_page (GTK_NOTEBOOK (notebook), page_num); } } static void ephy_notebook_remove (GtkContainer *container, GtkWidget *tab_widget) { GtkNotebook *gnotebook = GTK_NOTEBOOK (container); EphyNotebook *notebook = EPHY_NOTEBOOK (container); EphyNotebookPrivate *priv = notebook->priv; GtkWidget *tab_label, *tab_label_label, *tab_label_icon; int position, curr; g_assert (EPHY_IS_TAB (tab_widget)); /* Remove the page from the focused pages list */ priv->focused_pages = g_list_remove (priv->focused_pages, tab_widget); position = gtk_notebook_page_num (gnotebook, tab_widget); curr = gtk_notebook_get_current_page (gnotebook); if (position == curr) { smart_tab_switching_on_closure (notebook, tab_widget); } /* Prepare tab label for destruction */ tab_label = gtk_notebook_get_tab_label (gnotebook, tab_widget); tab_label_icon = g_object_get_data (G_OBJECT (tab_label), "icon"); tab_label_label = g_object_get_data (G_OBJECT (tab_label), "label"); g_signal_handlers_disconnect_by_func (tab_widget, G_CALLBACK (sync_icon), tab_label_icon); g_signal_handlers_disconnect_by_func (tab_widget, G_CALLBACK (sync_label), tab_label_label); g_signal_handlers_disconnect_by_func (ephy_tab_get_embed (EPHY_TAB (tab_widget)), G_CALLBACK (sync_load_status), tab_label); GTK_CONTAINER_CLASS (parent_class)->remove (container, tab_widget); update_tabs_visibility (notebook, FALSE); /* if that was the last tab, destroy the window */ if (gtk_notebook_get_n_pages (gnotebook) == 0) { gtk_widget_destroy (gtk_widget_get_toplevel (GTK_WIDGET (notebook))); } }