/* -*- 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 <glib.h>
#include <gtk/gtkobject.h>
#include <libgnome/gnome-defs.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 _ETextModelPrivate;
typedef gint (*ETextModelReposFn) (gint, gpointer);
struct _ETextModel {
GtkObject item;
struct _ETextModelPrivate *priv;
};
struct _ETextModelClass {
GtkObjectClass parent_class;
/* Signal */
void (* changed) (ETextModel *model);
void (* reposition) (ETextModel *model, ETextModelReposFn fn, gpointer repos_fn_data);
void (* object_activated) (ETextModel *model, gint obj_num);
/* Virtual methods */
gint (* validate_pos) (ETextModel *model, gint pos);
const char *(* get_text) (ETextModel *model);
gint (* get_text_len) (ETextModel *model);
void (* set_text) (ETextModel *model, const gchar *text);
void (* insert) (ETextModel *model, gint position, const gchar *text);
void (* insert_length) (ETextModel *model, gint position, const gchar *text, gint length);
void (* delete) (ETextModel *model, gint position, gint length);
void (* objectify) (ETextModel *model);
gint (* obj_count) (ETextModel *model);
const gchar *(* get_nth_obj) (ETextModel *model, gint n, gint *len);
gint (* obj_at_offset) (ETextModel *model, gint offset);
};
GtkType e_text_model_get_type (void);
ETextModel *e_text_model_new (void);
void e_text_model_changed (ETextModel *model);
void e_text_model_reposition (ETextModel *model, ETextModelReposFn fn, gpointer repos_data);
gint e_text_model_validate_position (ETextModel *model, gint pos);
/* Functions for manipulating the underlying text. */
const gchar *e_text_model_get_text (ETextModel *model);
gint e_text_model_get_text_length (ETextModel *model);
void e_text_model_set_text (ETextModel *model, const gchar *text);
void e_text_model_insert (ETextModel *model, gint position, const gchar *text);
void e_text_model_insert_length (ETextModel *model, gint position, const gchar *text, gint length);
void e_text_model_prepend (ETextModel *model, const gchar *text);
void e_text_model_append (ETextModel *model, const gchar *text);
void e_text_model_delete (ETextModel *model, gint position, gint length);
/* Functions for accessing embedded objects. */
gint e_text_model_object_count (ETextModel *model);
const gchar *e_text_model_get_nth_object (ETextModel *model, gint n, gint *len);
gchar *e_text_model_strdup_nth_object (ETextModel *model, gint n);
void e_text_model_get_nth_object_bounds (ETextModel *model, gint n, gint *start_pos, gint *end_pos);
gint e_text_model_get_object_at_offset (ETextModel *model, gint offset);
gint e_text_model_get_object_at_pointer (ETextModel *model, const gchar *c);
void e_text_model_activate_nth_object (ETextModel *model, gint n);
END_GNOME_DECLS
#endif
