path: root/e-util/e-cell-date-edit.h

/*
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Damon Chaplin <damon@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

/*
 * ECellDateEdit - a subclass of ECellPopup used to show a date with a popup
 * window to edit it.
 */

#if !defined (__E_UTIL_H_INSIDE__) && !defined (LIBEUTIL_COMPILATION)
#error "Only <e-util/e-util.h> should be included directly."
#endif

#ifndef _E_CELL_DATE_EDIT_H_
#define _E_CELL_DATE_EDIT_H_

#include <time.h>

#include <e-util/e-cell-popup.h>

/* Standard GObject macros */
#define E_TYPE_CELL_DATE_EDIT \
    (e_cell_date_edit_get_type ())
#define E_CELL_DATE_EDIT(obj) \
    (G_TYPE_CHECK_INSTANCE_CAST \
    ((obj), E_TYPE_CELL_DATE_EDIT, ECellDateEdit))
#define E_CELL_DATE_EDIT_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_CAST \
    ((cls), E_TYPE_CELL_DATE_EDIT, ECellDateEditClass))
#define E_IS_CELL_DATE_EDIT(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE \
    ((obj), E_TYPE_CELL_DATE_EDIT))
#define E_IS_CELL_DATE_EDIT_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_TYPE \
    ((cls), E_TYPE_CELL_DATE_EDIT))
#define E_CELL_DATE_EDIT_GET_CLASS(obj) \
    (G_TYPE_INSTANCE_GET_CLASS \
    ((obj), E_TYPE_CELL_DATE_EDIT, ECellDateEditClass))

G_BEGIN_DECLS

typedef struct _ECellDateEdit ECellDateEdit;
typedef struct _ECellDateEditClass ECellDateEditClass;

/* The type of the callback function optionally used to get the current time.
 */
typedef struct tm (*ECellDateEditGetTimeCallback) (ECellDateEdit *ecde,
                           gpointer   data);

struct _ECellDateEdit {
    ECellPopup parent;

    GtkWidget *popup_window;
    GtkWidget *calendar;
    GtkWidget *time_entry;
    GtkWidget *time_tree_view;

    GtkWidget *now_button;
    GtkWidget *today_button;
    GtkWidget *none_button;

    /* This is the range of hours we show in the time list. */
    gint lower_hour;
    gint upper_hour;

    /* TRUE if we use 24-hour format for the time list and entry. */
    gboolean use_24_hour_format;

    /* This is TRUE if we need to rebuild the list of times. */
    gboolean need_time_list_rebuild;

    /* The freeze count for rebuilding the time list. We only rebuild when
     * this is 0. */
    gint freeze_count;

    ECellDateEditGetTimeCallback time_callback;
    gpointer time_callback_data;
    GDestroyNotify time_callback_destroy;
};

struct _ECellDateEditClass {
    ECellPopupClass parent_class;
};

GType       e_cell_date_edit_get_type   (void) G_GNUC_CONST;
ECell *     e_cell_date_edit_new        (void);

/* These freeze and thaw the rebuilding of the time list. They are useful when
 * setting several properties which result in rebuilds of the list, e.g. the
 * lower_hour, upper_hour and use_24_hour_format properties. */
void        e_cell_date_edit_freeze     (ECellDateEdit *ecde);
void        e_cell_date_edit_thaw       (ECellDateEdit *ecde);

/* Sets a callback to use to get the current time. This is useful if the
 * application needs to use its own timezone data rather than rely on the
 * Unix timezone. */
void        e_cell_date_edit_set_get_time_callback
                        (ECellDateEdit *ecde,
                         ECellDateEditGetTimeCallback cb,
                         gpointer data,
                         GDestroyNotify destroy);

G_END_DECLS

#endif /* _E_CELL_DATE_EDIT_H_ */