/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
#ifndef _E_TABLE_COLUMN_H_
#define _E_TABLE_COLUMN_H_

#include <gtk/gtkobject.h>
#include <gdk/gdk.h>
#include <gal/e-table/e-table-sort-info.h>
#include <gal/e-table/e-table-col.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef struct _ETableHeader ETableHeader;

#define E_TABLE_HEADER_TYPE        (e_table_header_get_type ())
#define E_TABLE_HEADER(o)          (GTK_CHECK_CAST ((o), E_TABLE_HEADER_TYPE, ETableHeader))
#define E_TABLE_HEADER_CLASS(k)    (GTK_CHECK_CLASS_CAST((k), E_TABLE_HEADER_TYPE, ETableHeaderClass))
#define E_IS_TABLE_HEADER(o)       (GTK_CHECK_TYPE ((o), E_TABLE_HEADER_TYPE))
#define E_IS_TABLE_HEADER_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), E_TABLE_HEADER_TYPE))

/*
 * A Columnar header.
 */
struct _ETableHeader {
	GtkObject base;

	int col_count;
	int width;
	int nominal_width;
	int width_extras;

	ETableSortInfo *sort_info;
	int sort_info_group_change_id;

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

typedef struct {
	GtkObjectClass parent_class;

	void (*structure_change) (ETableHeader *eth);
	void (*dimension_change) (ETableHeader *eth, int col);
	int (*request_width) (ETableHeader *eth, int col);
} ETableHeaderClass;

GtkType       e_table_header_get_type               (void);
ETableHeader *e_table_header_new                    (void);

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

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


#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* _E_TABLE_HEADER_H_ */