/*
 * 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_H_
#define _E_TABLE_H_

#include <libgnomecanvas/libgnomecanvas.h>
#include <gtk/gtk.h>
#include <libxml/tree.h>

#include <e-util/e-printable.h>
#include <e-util/e-table-extras.h>
#include <e-util/e-table-group.h>
#include <e-util/e-table-header.h>
#include <e-util/e-table-item.h>
#include <e-util/e-table-model.h>
#include <e-util/e-table-search.h>
#include <e-util/e-table-selection-model.h>
#include <e-util/e-table-sort-info.h>
#include <e-util/e-table-sorter.h>
#include <e-util/e-table-specification.h>
#include <e-util/e-table-state.h>

/* Standard GObject macros */
#define E_TYPE_TABLE \
	(e_table_get_type ())
#define E_TABLE(obj) \
	(G_TYPE_CHECK_INSTANCE_CAST \
	((obj), E_TYPE_TABLE, ETable))
#define E_TABLE_CLASS(cls) \
	(G_TYPE_CHECK_CLASS_CAST \
	((cls), E_TYPE_TABLE, ETableClass))
#define E_IS_TABLE(obj) \
	(G_TYPE_CHECK_INSTANCE_TYPE \
	((obj), E_TYPE_TABLE))
#define E_IS_TABLE_CLASS(cls) \
	(G_TYPE_CHECK_CLASS_TYPE \
	((cls), E_TYPE_TABLE))
#define E_TABLE_GET_CLASS(obj) \
	(G_TYPE_INSTANCE_GET_CLASS \
	((obj), E_TYPE_TABLE, ETableClass))

G_BEGIN_DECLS

typedef struct _ETable ETable;
typedef struct _ETableClass ETableClass;

typedef struct _ETableDragSourceSite ETableDragSourceSite;

typedef enum {
	E_TABLE_CURSOR_LOC_NONE = 0,
	E_TABLE_CURSOR_LOC_ETCTA = 1 << 0,
	E_TABLE_CURSOR_LOC_TABLE = 1 << 1
} ETableCursorLoc;

struct _ETable {
	GtkTable parent;

	ETableModel *model;

	ETableHeader *full_header, *header;

	GnomeCanvasItem *canvas_vbox;
	ETableGroup *group;

	ETableSortInfo *sort_info;
	ETableSorter *sorter;

	ETableSelectionModel *selection;
	ETableCursorLoc cursor_loc;
	ETableSpecification *spec;

	ETableSearch *search;

	ETableCol *current_search_col;

	guint	 search_search_id;
	guint	 search_accept_id;

	gint table_model_change_id;
	gint table_row_change_id;
	gint table_cell_change_id;
	gint table_rows_inserted_id;
	gint table_rows_deleted_id;

	gint group_info_change_id;
	gint sort_info_change_id;

	gint structure_change_id;
	gint expansion_change_id;
	gint dimension_change_id;

	gint reflow_idle_id;
	gint scroll_idle_id;

	GnomeCanvas *header_canvas, *table_canvas;

	GnomeCanvasItem *header_item, *root;

	GnomeCanvasItem *white_item;

	gint length_threshold;

	gint rebuild_idle_id;
	guint need_rebuild : 1;
	guint size_allocated : 1;

	/*
	 * Configuration settings
	 */
	guint alternating_row_colors : 1;
	guint horizontal_draw_grid : 1;
	guint vertical_draw_grid : 1;
	guint draw_focus : 1;
	guint row_selection_active : 1;

	guint horizontal_scrolling : 1;
	guint horizontal_resize : 1;

	guint is_grouped : 1;

	guint scroll_direction : 4;

	guint do_drag : 1;

	guint uniform_row_height : 1;
	guint allow_grouping : 1;

	guint always_search : 1;
	guint search_col_set : 1;

	gchar *click_to_add_message;
	GnomeCanvasItem *click_to_add;
	gboolean use_click_to_add;
	gboolean use_click_to_add_end;

	ECursorMode cursor_mode;

	gint drop_row;
	gint drop_col;
	GnomeCanvasItem *drop_highlight;
	gint last_drop_x;
	gint last_drop_y;
	gint last_drop_time;
	GdkDragContext *last_drop_context;

	gint drag_row;
	gint drag_col;
	ETableDragSourceSite *site;

	gint header_width;

	gchar *domain;

	gboolean state_changed;
	guint state_change_freeze;
};

struct _ETableClass {
	GtkTableClass parent_class;

	void		(*cursor_change)	(ETable *et,
						 gint row);
	void		(*cursor_activated)	(ETable *et,
						 gint row);
	void		(*selection_change)	(ETable *et);
	void		(*double_click)		(ETable *et,
						 gint row,
						 gint col,
						 GdkEvent *event);
	gboolean	(*right_click)		(ETable *et,
						 gint row,
						 gint col,
						 GdkEvent *event);
	gboolean	(*click)		(ETable *et,
						 gint row,
						 gint col,
						 GdkEvent *event);
	gboolean	(*key_press)		(ETable *et,
						 gint row,
						 gint col,
						 GdkEvent *event);
	gboolean	(*start_drag)		(ETable *et,
						 gint row,
						 gint col,
						 GdkEvent *event);
	void		(*state_change)		(ETable *et);
	gboolean	(*white_space_event)	(ETable *et,
						 GdkEvent *event);

	/* Source side drag signals */
	void		(*table_drag_begin)	 (ETable *table,
						 gint row,
						 gint col,
						 GdkDragContext *context);
	void		(*table_drag_end)	(ETable *table,
						 gint row,
						 gint col,
						 GdkDragContext *context);
	void		(*table_drag_data_get)	(ETable *table,
						 gint row,
						 gint col,
						 GdkDragContext *context,
						 GtkSelectionData *selection_data,
						 guint info,
						 guint time);
	void		(*table_drag_data_delete)
						(ETable *table,
						 gint row,
						 gint col,
						 GdkDragContext *context);

	/* Target side drag signals */
	void		(*table_drag_leave)	(ETable *table,
						 gint row,
						 gint col,
						 GdkDragContext *context,
						 guint time);
	gboolean	(*table_drag_motion)	(ETable *table,
						 gint row,
						 gint col,
						 GdkDragContext *context,
						 gint x,
						 gint y,
						 guint time);
	gboolean	(*table_drag_drop)	(ETable *table,
						 gint row,
						 gint col,
						 GdkDragContext *context,
						 gint x,
						 gint y,
						 guint time);
	void		(*table_drag_data_received)
						(ETable *table,
						 gint row,
						 gint col,
						 GdkDragContext *context,
						 gint x,
						 gint y,
						 GtkSelectionData *selection_data,
						 guint info,
						 guint time);
};

GType		e_table_get_type		(void) G_GNUC_CONST;
ETable *	e_table_construct		(ETable *e_table,
						 ETableModel *etm,
						 ETableExtras *ete,
						 ETableSpecification *specification);
GtkWidget *	e_table_new			(ETableModel *etm,
						 ETableExtras *ete,
						 ETableSpecification *specification);

/* To save the state */
void		e_table_save_state		(ETable *e_table,
						 const gchar *filename);
ETableState *	e_table_get_state_object	(ETable *e_table);

/* note that it is more efficient to provide the state at creation time */
void		e_table_set_state_object	(ETable *e_table,
						 ETableState *state);
void		e_table_load_state		(ETable *e_table,
						 const gchar *filename);
void		e_table_set_cursor_row		(ETable *e_table,
						 gint row);

/* -1 means we don't have the cursor. This is in model rows. */
gint		e_table_get_cursor_row		(ETable *e_table);
void		e_table_selected_row_foreach	(ETable *e_table,
						 EForeachFunc callback,
						 gpointer closure);
gint		e_table_selected_count		(ETable *e_table);
EPrintable *	e_table_get_printable		(ETable *e_table);
gint		e_table_get_next_row		(ETable *e_table,
						 gint model_row);
gint		e_table_get_prev_row		(ETable *e_table,
						 gint model_row);
gint		e_table_model_to_view_row	(ETable *e_table,
						 gint model_row);
gint		e_table_view_to_model_row	(ETable *e_table,
						 gint view_row);
void		e_table_get_cell_at		(ETable *table,
						 gint x,
						 gint y,
						 gint *row_return,
						 gint *col_return);
void		e_table_get_mouse_over_cell	(ETable *table,
						 gint *row,
						 gint *col);
void		e_table_get_cell_geometry	(ETable *table,
						 gint row,
						 gint col,
						 gint *x_return,
						 gint *y_return,
						 gint *width_return,
						 gint *height_return);

/* Useful accessor functions. */
ESelectionModel *e_table_get_selection_model	(ETable *table);

/* Drag & drop stuff. */
/* Target */
void		e_table_drag_get_data		(ETable *table,
						 gint row,
						 gint col,
						 GdkDragContext *context,
						 GdkAtom target,
						 guint32 time);
void		e_table_drag_highlight	(ETable *table,
						 gint row,
						 gint col); /* col == -1 to highlight entire row. */
void		e_table_drag_unhighlight	(ETable *table);
void		e_table_drag_dest_set		(ETable *table,
						 GtkDestDefaults flags,
						 const GtkTargetEntry *targets,
						 gint n_targets,
						 GdkDragAction actions);
void		e_table_drag_dest_set_proxy	(ETable *table,
						 GdkWindow *proxy_window,
						 GdkDragProtocol protocol,
						 gboolean use_coordinates);

/* There probably should be functions for setting the targets
 * as a GtkTargetList
 */
void		e_table_drag_dest_unset		(GtkWidget *widget);

/* Source side */
void		e_table_drag_source_set		(ETable *table,
						 GdkModifierType start_button_mask,
						 const GtkTargetEntry *targets,
						 gint n_targets,
						 GdkDragAction actions);
void		e_table_drag_source_unset	(ETable *table);

/* There probably should be functions for setting the targets
 * as a GtkTargetList
 */
GdkDragContext *e_table_drag_begin		(ETable *table,
						 gint row,
						 gint col,
						 GtkTargetList *targets,
						 GdkDragAction actions,
						 gint button,
						 GdkEvent *event);

/* selection stuff */
void		e_table_select_all		(ETable *table);

/* This function is only needed in single_selection_mode. */
void		e_table_right_click_up		(ETable *table);

void		e_table_commit_click_to_add	(ETable *table);

void		e_table_freeze_state_change	(ETable *table);
void		e_table_thaw_state_change	(ETable *table);
gboolean	e_table_is_editing		(ETable *table);

G_END_DECLS

#endif /* _E_TABLE_H_ */

