1 /* GTK - The GIMP Toolkit
2 * gtktextiter.h Copyright (C) 2000 Red Hat, Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
27 #ifndef GTK_TEXT_ITER_H
28 #define GTK_TEXT_ITER_H
30 #include <gtk/gtktexttag.h>
31 #include <gtk/gtktextchild.h>
35 #endif /* __cplusplus */
38 * Iter: represents a location in the text. Becomes invalid if the
39 * characters/pixmaps/widgets (indexable objects) in the text buffer
43 typedef struct _GtkTextBuffer GtkTextBuffer;
61 /* This is primarily intended for language bindings that want to avoid
62 a "buffer" argument to text insertions, deletions, etc. */
63 GtkTextBuffer *gtk_text_iter_get_buffer (const GtkTextIter *iter);
69 GtkTextIter *gtk_text_iter_copy (const GtkTextIter *iter);
70 void gtk_text_iter_free (GtkTextIter *iter);
73 * Convert to different kinds of index
76 gint gtk_text_iter_get_offset (const GtkTextIter *iter);
77 gint gtk_text_iter_get_line (const GtkTextIter *iter);
78 gint gtk_text_iter_get_line_offset (const GtkTextIter *iter);
79 gint gtk_text_iter_get_line_index (const GtkTextIter *iter);
83 * "Dereference" operators
85 gunichar gtk_text_iter_get_char (const GtkTextIter *iter);
87 /* includes the 0xFFFD char for pixmaps/widgets, so char offsets
88 into the returned string map properly into buffer char offsets */
89 gchar *gtk_text_iter_get_slice (const GtkTextIter *start,
90 const GtkTextIter *end);
92 /* includes only text, no 0xFFFD */
93 gchar *gtk_text_iter_get_text (const GtkTextIter *start,
94 const GtkTextIter *end);
95 /* exclude invisible chars */
96 gchar *gtk_text_iter_get_visible_slice (const GtkTextIter *start,
97 const GtkTextIter *end);
98 gchar *gtk_text_iter_get_visible_text (const GtkTextIter *start,
99 const GtkTextIter *end);
101 GdkPixbuf* gtk_text_iter_get_pixbuf (const GtkTextIter *iter);
102 GSList * gtk_text_iter_get_marks (const GtkTextIter *iter);
104 GtkTextChildAnchor* gtk_text_iter_get_child_anchor (const GtkTextIter *iter);
106 /* Return list of tags toggled at this point (toggled_on determines
107 whether the list is of on-toggles or off-toggles) */
108 GSList *gtk_text_iter_get_toggled_tags (const GtkTextIter *iter,
109 gboolean toggled_on);
111 gboolean gtk_text_iter_begins_tag (const GtkTextIter *iter,
114 gboolean gtk_text_iter_ends_tag (const GtkTextIter *iter,
117 gboolean gtk_text_iter_toggles_tag (const GtkTextIter *iter,
120 gboolean gtk_text_iter_has_tag (const GtkTextIter *iter,
123 gboolean gtk_text_iter_editable (const GtkTextIter *iter,
124 gboolean default_setting);
126 gboolean gtk_text_iter_starts_line (const GtkTextIter *iter);
127 gboolean gtk_text_iter_ends_line (const GtkTextIter *iter);
129 gint gtk_text_iter_get_chars_in_line (const GtkTextIter *iter);
131 gboolean gtk_text_iter_get_attributes (const GtkTextIter *iter,
132 GtkTextAttributes *values);
134 gboolean gtk_text_iter_is_last (const GtkTextIter *iter);
135 gboolean gtk_text_iter_is_first (const GtkTextIter *iter);
138 * Moving around the buffer
141 gboolean gtk_text_iter_next_char (GtkTextIter *iter);
142 gboolean gtk_text_iter_prev_char (GtkTextIter *iter);
143 gboolean gtk_text_iter_forward_chars (GtkTextIter *iter,
145 gboolean gtk_text_iter_backward_chars (GtkTextIter *iter,
147 gboolean gtk_text_iter_forward_line (GtkTextIter *iter);
148 gboolean gtk_text_iter_backward_line (GtkTextIter *iter);
149 gboolean gtk_text_iter_forward_lines (GtkTextIter *iter,
151 gboolean gtk_text_iter_backward_lines (GtkTextIter *iter,
153 gboolean gtk_text_iter_forward_word_ends (GtkTextIter *iter,
155 gboolean gtk_text_iter_backward_word_starts (GtkTextIter *iter,
157 gboolean gtk_text_iter_forward_word_end (GtkTextIter *iter);
158 gboolean gtk_text_iter_backward_word_start (GtkTextIter *iter);
160 void gtk_text_iter_set_offset (GtkTextIter *iter,
162 void gtk_text_iter_set_line (GtkTextIter *iter,
164 void gtk_text_iter_set_line_offset (GtkTextIter *iter,
166 void gtk_text_iter_set_line_index (GtkTextIter *iter,
168 void gtk_text_iter_forward_to_end (GtkTextIter *iter);
169 gboolean gtk_text_iter_forward_to_newline (GtkTextIter *iter);
172 /* returns TRUE if a toggle was found; NULL for the tag pointer
173 means "any tag toggle", otherwise the next toggle of the
174 specified tag is located. */
175 gboolean gtk_text_iter_forward_to_tag_toggle (GtkTextIter *iter,
178 gboolean gtk_text_iter_backward_to_tag_toggle (GtkTextIter *iter,
181 typedef gboolean (* GtkTextCharPredicate) (gunichar ch, gpointer user_data);
183 gboolean gtk_text_iter_forward_find_char (GtkTextIter *iter,
184 GtkTextCharPredicate pred,
187 gboolean gtk_text_iter_backward_find_char (GtkTextIter *iter,
188 GtkTextCharPredicate pred,
191 gboolean gtk_text_iter_forward_search (const GtkTextIter *iter,
193 gboolean visible_only,
195 GtkTextIter *match_start,
196 GtkTextIter *match_end);
197 gboolean gtk_text_iter_backward_search (const GtkTextIter *iter,
199 gboolean visible_only,
201 GtkTextIter *match_start,
202 GtkTextIter *match_end);
209 gboolean gtk_text_iter_equal (const GtkTextIter *lhs,
210 const GtkTextIter *rhs);
211 gint gtk_text_iter_compare (const GtkTextIter *lhs,
212 const GtkTextIter *rhs);
213 gboolean gtk_text_iter_in_range (const GtkTextIter *iter,
214 const GtkTextIter *start,
215 const GtkTextIter *end);
217 /* Put these two in ascending order */
218 void gtk_text_iter_reorder (GtkTextIter *first,
219 GtkTextIter *second);
222 void gtk_text_iter_spew (const GtkTextIter *iter,
227 #endif /* __cplusplus */