+/* Goto Window */
+/* Cut and paste from gtkwindow.c */
+static void
+send_focus_change (GtkWidget *widget,
+ gboolean in)
+{
+ GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
+
+ g_object_ref (widget);
+
+ if (in)
+ GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
+ else
+ GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
+
+ fevent->focus_change.type = GDK_FOCUS_CHANGE;
+ fevent->focus_change.window = g_object_ref (widget->window);
+ fevent->focus_change.in = in;
+
+ gtk_widget_event (widget, fevent);
+
+ g_object_notify (G_OBJECT (widget), "has-focus");
+
+ g_object_unref (widget);
+ gdk_event_free (fevent);
+}
+
+static void
+ev_view_goto_window_hide (EvView *view)
+{
+ /* send focus-in event */
+ send_focus_change (view->goto_entry, FALSE);
+ gtk_widget_hide (view->goto_window);
+ gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
+}
+
+static gboolean
+ev_view_goto_window_delete_event (GtkWidget *widget,
+ GdkEventAny *event,
+ EvView *view)
+{
+ ev_view_goto_window_hide (view);
+
+ return TRUE;
+}
+
+static gboolean
+key_is_numeric (guint keyval)
+{
+ return ((keyval >= GDK_0 && keyval <= GDK_9) ||
+ (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
+}
+
+static gboolean
+ev_view_goto_window_key_press_event (GtkWidget *widget,
+ GdkEventKey *event,
+ EvView *view)
+{
+ switch (event->keyval) {
+ case GDK_Escape:
+ case GDK_Tab:
+ case GDK_KP_Tab:
+ case GDK_ISO_Left_Tab:
+ ev_view_goto_window_hide (view);
+ return TRUE;
+ case GDK_Return:
+ case GDK_KP_Enter:
+ case GDK_ISO_Enter:
+ case GDK_BackSpace:
+ case GDK_Delete:
+ return FALSE;
+ default:
+ if (!key_is_numeric (event->keyval))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_goto_window_button_press_event (GtkWidget *widget,
+ GdkEventButton *event,
+ EvView *view)
+{
+ ev_view_goto_window_hide (view);
+
+ return TRUE;
+}
+
+static void
+ev_view_goto_entry_activate (GtkEntry *entry,
+ EvView *view)
+{
+ const gchar *text;
+ gint page;
+
+ text = gtk_entry_get_text (entry);
+ page = atoi (text) - 1;
+
+ ev_view_goto_window_hide (view);
+
+ if (page >= 0 &&
+ page < ev_page_cache_get_n_pages (view->page_cache))
+ ev_page_cache_set_current_page (view->page_cache, page);
+}
+
+static void
+ev_view_goto_window_create (EvView *view)
+{
+ GtkWidget *frame, *hbox, *toplevel, *label;
+
+ toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
+
+ if (view->goto_window) {
+ if (GTK_WINDOW (toplevel)->group)
+ gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
+ GTK_WINDOW (view->goto_window));
+ else if (GTK_WINDOW (view->goto_window)->group)
+ gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
+ GTK_WINDOW (view->goto_window));
+ return;
+ }
+
+ view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
+
+ if (GTK_WINDOW (toplevel)->group)
+ gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
+ GTK_WINDOW (view->goto_window));
+
+ gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
+
+ g_signal_connect (view->goto_window, "delete_event",
+ G_CALLBACK (ev_view_goto_window_delete_event),
+ view);
+ g_signal_connect (view->goto_window, "key_press_event",
+ G_CALLBACK (ev_view_goto_window_key_press_event),
+ view);
+ g_signal_connect (view->goto_window, "button_press_event",
+ G_CALLBACK (ev_view_goto_window_button_press_event),
+ view);
+
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
+ gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
+ gtk_widget_show (frame);
+
+ hbox = gtk_hbox_new (FALSE, 0);
+ gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
+ gtk_container_add (GTK_CONTAINER (frame), hbox);
+ gtk_widget_show (hbox);
+
+ label = gtk_label_new(_("Jump to page:"));
+ gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
+ gtk_widget_show (label);
+ gtk_widget_realize (label);
+
+ view->goto_entry = gtk_entry_new ();
+ g_signal_connect (view->goto_entry, "activate",
+ G_CALLBACK (ev_view_goto_entry_activate),
+ view);
+ gtk_box_pack_start_defaults (GTK_BOX (hbox), view->goto_entry);
+ gtk_widget_show (view->goto_entry);
+ gtk_widget_realize (view->goto_entry);
+}
+
+static void
+ev_view_goto_entry_grab_focus (EvView *view)
+{
+ GtkWidgetClass *entry_parent_class;
+
+ entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
+ (entry_parent_class->grab_focus) (view->goto_entry);
+
+ send_focus_change (view->goto_entry, TRUE);
+}
+
+static void
+ev_view_goto_window_send_key_event (EvView *view,
+ GdkEvent *event)
+{
+ GdkEventKey *new_event;
+ GdkScreen *screen;
+
+ /* Move goto window off screen */
+ screen = gtk_widget_get_screen (GTK_WIDGET (view));
+ gtk_window_move (GTK_WINDOW (view->goto_window),
+ gdk_screen_get_width (screen) + 1,
+ gdk_screen_get_height (screen) + 1);
+ gtk_widget_show (view->goto_window);
+
+ new_event = (GdkEventKey *) gdk_event_copy (event);
+ g_object_unref (new_event->window);
+ new_event->window = g_object_ref (view->goto_window->window);
+ gtk_widget_realize (view->goto_window);
+
+ gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
+ gdk_event_free ((GdkEvent *)new_event);
+ gtk_widget_hide (view->goto_window);
+}
+
+static gboolean
+ev_view_key_press_event (GtkWidget *widget,
+ GdkEventKey *event)
+{
+ EvView *view = EV_VIEW (widget);
+ EvPresentationState current;
+
+ if (!view->document)
+ return FALSE;
+
+ if (!view->presentation ||
+ view->presentation_state == EV_PRESENTATION_END)
+ return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
+
+
+ current = view->presentation_state;
+
+ switch (event->keyval) {
+ case GDK_b:
+ case GDK_B:
+ view->presentation_state =
+ (view->presentation_state == EV_PRESENTATION_BLACK) ?
+ EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
+ break;
+ case GDK_w:
+ case GDK_W:
+ view->presentation_state =
+ (view->presentation_state == EV_PRESENTATION_WHITE) ?
+ EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
+ break;
+ default:
+ if (view->presentation_state == EV_PRESENTATION_BLACK ||
+ view->presentation_state == EV_PRESENTATION_WHITE) {
+ view->presentation_state = EV_PRESENTATION_NORMAL;
+ }
+ }
+
+ if (current == view->presentation_state) {
+ if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
+ key_is_numeric (event->keyval)) {
+ gint x, y;
+
+ ev_view_goto_window_create (view);
+ ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
+ gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
+ gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
+ gtk_widget_show (view->goto_window);
+ ev_view_goto_entry_grab_focus (view);
+
+ return TRUE;
+ }
+
+ return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
+ }
+
+ switch (view->presentation_state) {
+ case EV_PRESENTATION_NORMAL:
+ case EV_PRESENTATION_BLACK:
+ gdk_window_set_background (widget->window,
+ &widget->style->black);
+ break;
+ case EV_PRESENTATION_WHITE:
+ gdk_window_set_background (widget->window,
+ &widget->style->white);
+ break;
+ default:
+ return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
+ }
+
+ gtk_widget_queue_draw (widget);
+ return TRUE;
+}
+