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/* GTK - The GIMP Toolkit
* gtktextiter.h Copyright (C) 2000 Red Hat, Inc.
*
* This library 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) any later version.
*
* This library 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 this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef GTK_TEXT_ITER_H
#define GTK_TEXT_ITER_H
#include <gtk/gtktexttag.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/*
* Iter: represents a location in the text. Becomes invalid if the
* characters/pixmaps/widgets (indexable objects) in the text buffer
* are changed.
*/
typedef struct _GtkTextBuffer GtkTextBuffer;
struct _GtkTextIter {
gpointer dummy1;
gpointer dummy2;
gint dummy3;
gint dummy4;
gint dummy10;
gint dummy11;
gint dummy5;
gint dummy6;
gpointer dummy7;
gpointer dummy8;
gint dummy9;
gpointer pad1;
guint pad2;
};
/* This is primarily intended for language bindings that want to avoid
a "buffer" argument to text insertions, deletions, etc. */
GtkTextBuffer *gtk_text_iter_get_buffer(const GtkTextIter *iter);
/*
* Life cycle
*/
GtkTextIter *gtk_text_iter_copy (const GtkTextIter *iter);
void gtk_text_iter_free (GtkTextIter *iter);
/*
* Convert to different kinds of index
*/
gint gtk_text_iter_get_offset (const GtkTextIter *iter);
gint gtk_text_iter_get_line (const GtkTextIter *iter);
gint gtk_text_iter_get_line_offset (const GtkTextIter *iter);
gint gtk_text_iter_get_line_index (const GtkTextIter *iter);
/*
* "Dereference" operators
*/
gunichar gtk_text_iter_get_char (const GtkTextIter *iter);
/* includes the 0xFFFD char for pixmaps/widgets, so char offsets
into the returned string map properly into buffer char offsets */
gchar *gtk_text_iter_get_slice (const GtkTextIter *start,
const GtkTextIter *end);
/* includes only text, no 0xFFFD */
gchar *gtk_text_iter_get_text (const GtkTextIter *start,
const GtkTextIter *end);
/* exclude invisible chars */
gchar *gtk_text_iter_get_visible_slice (const GtkTextIter *start,
const GtkTextIter *end);
gchar *gtk_text_iter_get_visible_text (const GtkTextIter *start,
const GtkTextIter *end);
GdkPixbuf* gtk_text_iter_get_pixbuf (const GtkTextIter *iter);
GSList * gtk_text_iter_get_marks (const GtkTextIter *iter);
/* Return list of tags toggled at this point (toggled_on determines
whether the list is of on-toggles or off-toggles) */
GSList *gtk_text_iter_get_toggled_tags (const GtkTextIter *iter,
gboolean toggled_on);
gboolean gtk_text_iter_begins_tag (const GtkTextIter *iter,
GtkTextTag *tag);
gboolean gtk_text_iter_ends_tag (const GtkTextIter *iter,
GtkTextTag *tag);
gboolean gtk_text_iter_toggles_tag (const GtkTextIter *iter,
GtkTextTag *tag);
gboolean gtk_text_iter_has_tag (const GtkTextIter *iter,
GtkTextTag *tag);
gboolean gtk_text_iter_editable (const GtkTextIter *iter,
gboolean default_setting);
gboolean gtk_text_iter_starts_line (const GtkTextIter *iter);
gboolean gtk_text_iter_ends_line (const GtkTextIter *iter);
gint gtk_text_iter_get_chars_in_line (const GtkTextIter *iter);
gboolean gtk_text_iter_get_attributes (const GtkTextIter *iter,
GtkTextAttributes *values);
gboolean gtk_text_iter_is_last (const GtkTextIter *iter);
gboolean gtk_text_iter_is_first (const GtkTextIter *iter);
/*
* Moving around the buffer
*/
gboolean gtk_text_iter_next_char (GtkTextIter *iter);
gboolean gtk_text_iter_prev_char (GtkTextIter *iter);
gboolean gtk_text_iter_forward_chars (GtkTextIter *iter,
gint count);
gboolean gtk_text_iter_backward_chars (GtkTextIter *iter,
gint count);
gboolean gtk_text_iter_forward_line (GtkTextIter *iter);
gboolean gtk_text_iter_backward_line (GtkTextIter *iter);
gboolean gtk_text_iter_forward_lines (GtkTextIter *iter,
gint count);
gboolean gtk_text_iter_backward_lines (GtkTextIter *iter,
gint count);
gboolean gtk_text_iter_forward_word_ends (GtkTextIter *iter,
gint count);
gboolean gtk_text_iter_backward_word_starts (GtkTextIter *iter,
gint count);
gboolean gtk_text_iter_forward_word_end (GtkTextIter *iter);
gboolean gtk_text_iter_backward_word_start (GtkTextIter *iter);
void gtk_text_iter_set_offset (GtkTextIter *iter,
gint char_offset);
void gtk_text_iter_set_line (GtkTextIter *iter,
gint line_number);
void gtk_text_iter_set_line_offset (GtkTextIter *iter,
gint char_on_line);
void gtk_text_iter_forward_to_end (GtkTextIter *iter);
gboolean gtk_text_iter_forward_to_newline (GtkTextIter *iter);
/* returns TRUE if a toggle was found; NULL for the tag pointer
means "any tag toggle", otherwise the next toggle of the
specified tag is located. */
gboolean gtk_text_iter_forward_to_tag_toggle (GtkTextIter *iter,
GtkTextTag *tag);
gboolean gtk_text_iter_backward_to_tag_toggle (GtkTextIter *iter,
GtkTextTag *tag);
typedef gboolean (* GtkTextCharPredicate) (gunichar ch, gpointer user_data);
gboolean gtk_text_iter_forward_find_char (GtkTextIter *iter,
GtkTextCharPredicate pred,
gpointer user_data);
gboolean gtk_text_iter_backward_find_char (GtkTextIter *iter,
GtkTextCharPredicate pred,
gpointer user_data);
gboolean gtk_text_iter_forward_search (GtkTextIter *iter,
const char *str,
gboolean visible_only,
gboolean slice);
gboolean gtk_text_iter_backward_search (GtkTextIter *iter,
const char *str,
gboolean visible_only,
gboolean slice);
/*
* Comparisons
*/
gboolean gtk_text_iter_equal (const GtkTextIter *lhs,
const GtkTextIter *rhs);
gint gtk_text_iter_compare (const GtkTextIter *lhs,
const GtkTextIter *rhs);
gboolean gtk_text_iter_in_region (const GtkTextIter *iter,
const GtkTextIter *start,
const GtkTextIter *end);
/* Put these two in ascending order */
void gtk_text_iter_reorder (GtkTextIter *first,
GtkTextIter *second);
/* Debug */
void gtk_text_iter_spew (const GtkTextIter *iter,
const gchar *desc);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
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