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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:
 *      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 state);
void        e_cell_free_state       (ECellView *ecell_view,
                         gint model_col,
                         gint view_col,
                         gint row,
                         gpointer state);

G_END_DECLS

#endif /* _E_CELL_H_ */