git.maemo.org Git - hildon/blob - hildon/hildon-private.c

   1 /*
   2  * This file is a part of hildon
   3  *
   4  * Copyright (C) 2005, 2006 Nokia Corporation, all rights reserved.
   5  *
   6  * Contact: Rodrigo Novo <rodrigo.novo@nokia.com>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; version 2.1 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  21  * 02110-1301 USA
  22  *
  23  */
  24
  25 #undef                                          HILDON_DISABLE_DEPRECATED
  26
  27 #ifdef                                          HAVE_CONFIG_H
  28 #include                                        <config.h>
  29 #endif
  30
  31 #include                                        "hildon-private.h"
  32 #include                                        "hildon-date-editor.h"
  33 #include                                        "hildon-time-editor.h"
  34
  35 /* This function is a private function of hildon. It hadles focus
  36  * changing for composite hildon widgets: HildonDateEditor,
  37  * HildonNumberEditor, HildonTimeEditor, HildonWeekdayPicker.
  38  * Its purpose is to focus the first widget (from left) inside the container
  39  * regardless of where the focus is coming from.
  40  */
  41 gboolean G_GNUC_INTERNAL
  42 hildon_private_composite_focus                  (GtkWidget *widget,
  43                                                  GtkDirectionType direction,
  44                                                  GtkDirectionType *effective_direction)
  45 {
  46   GtkWidget *toplevel = NULL;
  47   GtkWidget *focus_widget = NULL;
  48   gboolean coming_from_outside = FALSE;
  49
  50   toplevel = gtk_widget_get_toplevel (widget);
  51
  52   focus_widget = GTK_WINDOW (toplevel)->focus_widget;
  53
  54   if (focus_widget == NULL || gtk_widget_is_ancestor (focus_widget, widget) == FALSE)
  55     {
  56       /* When coming from outside we want to give focus to the first
  57          item in the widgets */
  58       *effective_direction = GTK_DIR_TAB_FORWARD;
  59       coming_from_outside = TRUE;
  60     }
  61   else
  62     *effective_direction = direction;
  63
  64   switch (direction) {
  65       case GTK_DIR_UP:
  66       case GTK_DIR_DOWN:
  67       case GTK_DIR_TAB_FORWARD:
  68       case GTK_DIR_TAB_BACKWARD:
  69         if ((HILDON_IS_DATE_EDITOR (widget) || HILDON_IS_TIME_EDITOR(widget)) &&
  70             !coming_from_outside)
  71             return FALSE;
  72         /* fall through */
  73       default:
  74         return TRUE;
  75   }
  76
  77   g_assert_not_reached ();
  78   return TRUE;
  79 }
  80
  81