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/*
 *
 * 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:
 *      Chris Lahey <clahey@ximian.com>
 *      Miguel de Icaza <miguel@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#ifndef _E_TABLE_COLUMN_H_
#define _E_TABLE_COLUMN_H_

#include <gdk/gdk.h>

#include <e-util/e-table-col.h>
#include <e-util/e-table-sort-info.h>

/* Standard GObject macros */
#define E_TYPE_TABLE_HEADER \
    (e_table_header_get_type ())
#define E_TABLE_HEADER(obj) \
    (G_TYPE_CHECK_INSTANCE_CAST \
    ((obj), E_TYPE_TABLE_HEADER, ETableHeader))
#define E_TABLE_HEADER_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_CAST \
    ((cls), E_TYPE_TABLE_HEADER, ETableHeaderClass))
#define E_IS_TABLE_HEADER(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE \
    ((obj), E_TYPE_TABLE_HEADER))
#define E_IS_TABLE_HEADER_CLASS(cls) \
    (G_TYPE_CHECK_CLASS_TYPE \
    ((cls), E_TYPE_TABLE_HEADER))
#define E_TABLE_HEADER_GET_CLASS(obj) \
    (G_TYPE_INSTANCE_GET_CLASS \
    ((obj), E_TYPE_TABLE_HEADER, ETableHeaderClass))

G_BEGIN_DECLS

typedef struct _ETableHeader ETableHeader;
typedef struct _ETableHeaderClass ETableHeaderClass;

typedef gboolean (*ETableColCheckFunc) (ETableCol *col, gpointer user_data);

/*
 * A Column header.
 */
struct _ETableHeader {
    GObject parent;

    gint col_count;
    gint width;
    gint nominal_width;
    gint width_extras;

    ETableSortInfo *sort_info;
    gint sort_info_group_change_id;

    ETableCol **columns;

    GSList *change_queue, *change_tail;
    gint idle;
};

struct _ETableHeaderClass {
    GObjectClass parent_class;

    void        (*structure_change) (ETableHeader *eth);
    void        (*dimension_change) (ETableHeader *eth,
                         gint width);
    void        (*expansion_change) (ETableHeader *eth);
    gint        (*request_width)    (ETableHeader *eth,
                         gint col);
};

GType       e_table_header_get_type     (void) G_GNUC_CONST;
ETableHeader *  e_table_header_new      (void);

void        e_table_header_add_column   (ETableHeader *eth,
                         ETableCol *tc,
                         gint pos);
ETableCol * e_table_header_get_column   (ETableHeader *eth,
                         gint column);
ETableCol * e_table_header_get_column_by_col_idx
                        (ETableHeader *eth,
                         gint col_idx);
gint        e_table_header_count        (ETableHeader *eth);
gint        e_table_header_index        (ETableHeader *eth,
                         gint col);
gint        e_table_header_get_index_at (ETableHeader *eth,
                         gint x_offset);
ETableCol **    e_table_header_get_columns  (ETableHeader *eth);
gint        e_table_header_get_selected (ETableHeader *eth);

gint        e_table_header_total_width  (ETableHeader *eth);
gint        e_table_header_min_width    (ETableHeader *eth);
void        e_table_header_move     (ETableHeader *eth,
                         gint source_index,
                         gint target_index);
void        e_table_header_remove       (ETableHeader *eth,
                         gint idx);
void        e_table_header_set_size     (ETableHeader *eth,
                         gint idx,
                         gint size);
void        e_table_header_set_selection    (ETableHeader *eth,
                         gboolean allow_selection);
gint        e_table_header_col_diff     (ETableHeader *eth,
                         gint start_col,
                         gint end_col);

void        e_table_header_calc_widths  (ETableHeader *eth);
GList *     e_table_header_get_selected_indexes
                        (ETableHeader *eth);
void        e_table_header_update_horizontal
                        (ETableHeader *eth);
gint        e_table_header_prioritized_column
                        (ETableHeader *eth);
ETableCol * e_table_header_prioritized_column_selected
                        (ETableHeader *eth,
                         ETableColCheckFunc check_func,
                         gpointer user_data);

G_END_DECLS

#endif /* _E_TABLE_HEADER_H_ */