/*
 * 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:
 *		Miguel de Icaza <miguel@ximian.com>
 *		Chris Lahey <clahey@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_CELL_H_
#define _E_CELL_H_

#include <gtk/gtk.h>

#include <e-util/e-table-model.h>

/* Standard GObject macros */
#define E_TYPE_CELL \
	(e_cell_get_type ())
#define E_CELL(obj) \
	(G_TYPE_CHECK_INSTANCE_CAST \
	((obj), E_TYPE_CELL, ECell))
#define E_CELL_CLASS(cls) \
	(G_TYPE_CHECK_CLASS_CAST \
	((cls), E_TYPE_CELL, ECellClass))
#define E_CELL_GET_CLASS(obj) \
	(G_TYPE_INSTANCE_GET_CLASS \
	((obj), E_TYPE_CELL, ECellClass))
#define E_IS_CELL(obj) \
	(G_TYPE_CHECK_INSTANCE_TYPE \
	((obj), E_TYPE_CELL))
#define E_IS_CELL_CLASS(cls) \
	(G_TYPE_CHECK_CLASS_TYPE \
	((cls), E_TYPE_CELL))
#define E_CELL_GET_CLASS(obj) \
	(G_TYPE_INSTANCE_GET_CLASS \
	((obj), E_TYPE_CELL, ECellClass))

G_BEGIN_DECLS

typedef struct _ECell ECell;
typedef struct _ECellClass ECellClass;
typedef struct _ECellView ECellView;

typedef gboolean (*ETableSearchFunc) (gconstpointer haystack,
				      const gchar *needle);

typedef enum {
	E_CELL_SELECTED       = 1 << 0,

	E_CELL_JUSTIFICATION  = 3 << 1,
	E_CELL_JUSTIFY_CENTER = 0 << 1,
	E_CELL_JUSTIFY_LEFT   = 1 << 1,
	E_CELL_JUSTIFY_RIGHT  = 2 << 1,
	E_CELL_JUSTIFY_FILL   = 3 << 1,

	E_CELL_ALIGN_LEFT     = 1 << 1,
	E_CELL_ALIGN_RIGHT    = 1 << 2,

	E_CELL_FOCUSED        = 1 << 3,

	E_CELL_EDITING        = 1 << 4,

	E_CELL_CURSOR         = 1 << 5,

	E_CELL_PREEDIT        = 1 << 6
} ECellFlags;

typedef enum {
	E_CELL_GRAB           = 1 << 0,
	E_CELL_UNGRAB         = 1 << 1
} ECellActions;

struct _ECellView {
	ECell *ecell;
	ETableModel *e_table_model;
	void        *e_table_item_view;

	gint   focus_x1, focus_y1, focus_x2, focus_y2;
	gint   focus_col, focus_row;

	void  (*kill_view_cb) (struct _ECellView *, gpointer);
	GList *kill_view_cb_data;
};

struct _ECell {
	GObject parent;
};

struct _ECellClass {
	GObjectClass parent_class;

	ECellView *	(*new_view)		(ECell *ecell,
						 ETableModel *table_model,
						 gpointer e_table_item_view);
	void		(*kill_view)		(ECellView *ecell_view);

	void		(*realize)		(ECellView *ecell_view);
	void		(*unrealize)		(ECellView *ecell_view);

	void		(*draw)			(ECellView *ecell_view,
						 cairo_t *cr,
						 gint model_col,
						 gint view_col, gint row,
						 ECellFlags flags,
						 gint x1,
						 gint y1,
						 gint x2,
						 gint y2);
	gint		(*event)		(ECellView *ecell_view,
						 GdkEvent *event,
						 gint model_col,
						 gint view_col,
						 gint row,
						 ECellFlags flags,
						 ECellActions *actions);
	void		(*focus)		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gint x1,
						 gint y1,
						 gint x2,
						 gint y2);
	void		(*unfocus)		(ECellView *ecell_view);
	gint		(*height)		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row);

	gpointer	(*enter_edit)		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row);
	void		(*leave_edit)		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gpointer context);
	gpointer	(*save_state)		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gpointer context);
	void		(*load_state)		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gpointer context,
						 gpointer save_state);
	void		(*free_state)		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gpointer save_state);
	void		(*print)		(ECellView *ecell_view,
						 GtkPrintContext *context,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gdouble width,
						 gdouble height);
	gdouble		(*print_height)		(ECellView *ecell_view,
						 GtkPrintContext *context,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gdouble width);
	gint		(*max_width)		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col);
	gint		(*max_width_by_row)	(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row);
	gchar *		(*get_bg_color)		(ECellView *ecell_view,
						 gint row);

	void		(*style_set)		(ECellView *ecell_view,
						 GtkStyle *previous_style);
};

GType		e_cell_get_type			(void) G_GNUC_CONST;

/* View creation methods. */
ECellView *	e_cell_new_view			(ECell *ecell,
						 ETableModel *table_model,
						 gpointer e_table_item_view);
void		e_cell_kill_view		(ECellView *ecell_view);

/* Cell View methods. */
gint		e_cell_event			(ECellView *ecell_view,
						 GdkEvent *event,
						 gint model_col,
						 gint view_col,
						 gint row,
						 ECellFlags flags,
						 ECellActions *actions);
void		e_cell_realize			(ECellView *ecell_view);
void		e_cell_unrealize		(ECellView *ecell_view);
void		e_cell_draw			(ECellView *ecell_view,
						 cairo_t *cr,
						 gint model_col,
						 gint view_col,
						 gint row,
						 ECellFlags flags,
						 gint x1,
						 gint y1,
						 gint x2,
						 gint y2);
void		e_cell_print			(ECellView *ecell_view,
						 GtkPrintContext *context,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gdouble width,
						 gdouble height);
gdouble		e_cell_print_height		(ECellView *ecell_view,
						 GtkPrintContext *context,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gdouble width);
gint		e_cell_max_width		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col);
gint		e_cell_max_width_by_row		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row);
gboolean	e_cell_max_width_by_row_implemented
						(ECellView *ecell_view);
gchar *		e_cell_get_bg_color		(ECellView *ecell_view,
						 gint row);
void		e_cell_style_set		(ECellView *ecell_view,
						 GtkStyle *previous_style);

void		e_cell_focus			(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gint x1,
						 gint y1,
						 gint x2,
						 gint y2);
void		e_cell_unfocus			(ECellView *ecell_view);
gint		e_cell_height			(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row);
gpointer	e_cell_enter_edit		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row);
void		e_cell_leave_edit		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gpointer edit_context);
gpointer	e_cell_save_state		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gpointer edit_context);
void		e_cell_load_state		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gpointer edit_context,
						 gpointer save_state);
void		e_cell_free_state		(ECellView *ecell_view,
						 gint model_col,
						 gint view_col,
						 gint row,
						 gpointer save_state);

G_END_DECLS

#endif /* _E_CELL_H_ */