vcs.maemo.org Git - hildon/blob - src/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: Michael Dominic Kostrzewa <michael.kostrzewa@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.
  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 #ifdef                                          HAVE_CONFIG_H
  26 #include                                        <config.h>
  27 #endif
  28
  29 #include                                        "hildon-private.h"
  30 #include                                        <gtk/gtkwidget.h>
  31 #include                                        <gtk/gtkwindow.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 {
  45     GtkWidget *toplevel = NULL;
  46     GtkWidget *focus_widget = NULL;
  47
  48     /* Get the topmost parent widget */
  49     toplevel = gtk_widget_get_toplevel (widget);
  50
  51     if (! GTK_IS_WINDOW (toplevel))
  52         return GTK_WIDGET_CLASS (g_type_class_peek_parent (
  53                     GTK_WIDGET_GET_CLASS (widget)))->focus (widget, direction);
  54     /* Get focus widget in the topmost parent widget */
  55     focus_widget = GTK_WINDOW (toplevel)->focus_widget;
  56
  57     if (! GTK_IS_WIDGET (focus_widget))
  58         return TRUE;
  59
  60     if (! gtk_widget_is_ancestor (focus_widget, widget))
  61     {
  62         gtk_widget_grab_focus (widget);
  63     }
  64     else
  65     {
  66         /* Containers grab_focus grabs the focus to the correct widget */
  67         switch (direction) {
  68             case GTK_DIR_UP:
  69             case GTK_DIR_DOWN:
  70                 if (HILDON_IS_DATE_EDITOR (widget) || HILDON_IS_TIME_EDITOR(widget))
  71                     return FALSE;
  72                 else
  73                     return GTK_WIDGET_CLASS (g_type_class_peek_parent
  74                             (GTK_WIDGET_GET_CLASS(widget)))->focus (widget, direction);
  75                 break;
  76
  77             default:
  78                 return GTK_WIDGET_CLASS (g_type_class_peek_parent
  79                         (GTK_WIDGET_GET_CLASS(widget)))->focus (widget, direction);
  80                 break;
  81         }
  82     }
  83
  84     return TRUE;
  85 }
  86
  87