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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* ETextModel - Text item for evolution.
 * Copyright (C) 2000 Helix Code, Inc.
 *
 * Author: Chris Lahey <clahey@umich.edu>
 *
 * A majority of code taken from:
 *
 * Text item type for GnomeCanvas widget
 *
 * GnomeCanvas is basically a port of the Tk toolkit's most excellent
 * canvas widget.  Tk is copyrighted by the Regents of the University
 * of California, Sun Microsystems, and other parties.
 *
 * Copyright (C) 1998 The Free Software Foundation
 *
 * Author: Federico Mena <federico@nuclecu.unam.mx> */

#ifndef E_TEXT_MODEL_H
#define E_TEXT_MODEL_H

#include <gnome.h>


BEGIN_GNOME_DECLS

#define E_TYPE_TEXT_MODEL            (e_text_model_get_type ())
#define E_TEXT_MODEL(obj)            (GTK_CHECK_CAST ((obj), E_TYPE_TEXT_MODEL, ETextModel))
#define E_TEXT_MODEL_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), E_TYPE_TEXT_MODEL, ETextModelClass))
#define E_IS_TEXT_MODEL(obj)         (GTK_CHECK_TYPE ((obj), E_TYPE_TEXT_MODEL))
#define E_IS_TEXT_MODEL_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), E_TYPE_TEXT_MODEL))

typedef struct _ETextModel ETextModel;
typedef struct _ETextModelClass ETextModelClass;

struct _ETextModel {
    GtkObject item;

    char *text;         /* Text to display */
};

struct _ETextModelClass {
    GtkObjectClass parent_class;

    /* Signal */
    void  (* changed)  (ETextModel *model);
    void  (* position) (ETextModel *model, gint position);

    /* Virtual methods */
    char *(* get_text)           (ETextModel *model);
    void  (* set_text)           (ETextModel *model, gchar *text);
    void  (* insert)             (ETextModel *model, gint position, gchar *text);
    void  (* insert_length)      (ETextModel *model, gint position, gchar *text, gint length);
    void  (* delete)             (ETextModel *model, gint position, gint length);
    gint  (* obj_count)          (ETextModel *model);
    const gchar *(* get_nth_obj) (ETextModel *model, gint n);
    void  (* activate_nth_obj)   (ETextModel *model, gint n);
};


/* Standard Gtk function */
GtkType e_text_model_get_type (void);
ETextModel *e_text_model_new(void);

void e_text_model_changed(ETextModel *model);
gchar *e_text_model_get_text(ETextModel *model);
void e_text_model_set_text(ETextModel *model, gchar *text);
void e_text_model_insert(ETextModel *model, gint position, gchar *text);
void e_text_model_insert_length(ETextModel *model, gint position, gchar *text, gint length);
void e_text_model_delete(ETextModel *model, gint position, gint length);

void e_text_model_suggest_position(ETextModel *model, gint position);

gint e_text_model_object_count(ETextModel *model);
const gchar *e_text_model_get_nth_object(ETextModel *model, gint n);
void e_text_model_activate_nth_object(ETextModel *model, gint n);

gchar *e_text_model_strdup_expanded_text(ETextModel *model);

END_GNOME_DECLS

#endif