/*
 *
 * 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.
 *
 * 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 General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this 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_spec
						(ETableHeader *eth,
						 ETableColumnSpecification *spec);
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_ */