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 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
28 #error "Only <gtk/gtk.h> can be included directly."
31 #ifndef __GTK_TEXT_ITER_H__
32 #define __GTK_TEXT_ITER_H__
34 #include <gtk/gtktexttag.h>
35 #include <gtk/gtktextchild.h>
40 GTK_TEXT_SEARCH_VISIBLE_ONLY = 1 << 0,
41 GTK_TEXT_SEARCH_TEXT_ONLY = 1 << 1,
42 GTK_TEXT_SEARCH_CASE_INSENSITIVE = 1 << 2
43 /* Possible future plans: SEARCH_REGEXP */
47 * Iter: represents a location in the text. Becomes invalid if the
48 * characters/pixmaps/widgets (indexable objects) in the text buffer
52 typedef struct _GtkTextBuffer GtkTextBuffer;
54 #define GTK_TYPE_TEXT_ITER (gtk_text_iter_get_type ())
57 /* GtkTextIter is an opaque datatype; ignore all these fields.
58 * Initialize the iter with gtk_text_buffer_get_iter_*
80 /* This is primarily intended for language bindings that want to avoid
81 a "buffer" argument to text insertions, deletions, etc. */
82 GtkTextBuffer *gtk_text_iter_get_buffer (const GtkTextIter *iter);
88 GtkTextIter *gtk_text_iter_copy (const GtkTextIter *iter);
89 void gtk_text_iter_free (GtkTextIter *iter);
91 GType gtk_text_iter_get_type (void) G_GNUC_CONST;
94 * Convert to different kinds of index
97 gint gtk_text_iter_get_offset (const GtkTextIter *iter);
98 gint gtk_text_iter_get_line (const GtkTextIter *iter);
99 gint gtk_text_iter_get_line_offset (const GtkTextIter *iter);
100 gint gtk_text_iter_get_line_index (const GtkTextIter *iter);
102 gint gtk_text_iter_get_visible_line_offset (const GtkTextIter *iter);
103 gint gtk_text_iter_get_visible_line_index (const GtkTextIter *iter);
107 * "Dereference" operators
109 gunichar gtk_text_iter_get_char (const GtkTextIter *iter);
111 /* includes the 0xFFFC char for pixmaps/widgets, so char offsets
112 * into the returned string map properly into buffer char offsets
114 gchar *gtk_text_iter_get_slice (const GtkTextIter *start,
115 const GtkTextIter *end);
117 /* includes only text, no 0xFFFC */
118 gchar *gtk_text_iter_get_text (const GtkTextIter *start,
119 const GtkTextIter *end);
120 /* exclude invisible chars */
121 gchar *gtk_text_iter_get_visible_slice (const GtkTextIter *start,
122 const GtkTextIter *end);
123 gchar *gtk_text_iter_get_visible_text (const GtkTextIter *start,
124 const GtkTextIter *end);
126 GdkPixbuf* gtk_text_iter_get_pixbuf (const GtkTextIter *iter);
127 GSList * gtk_text_iter_get_marks (const GtkTextIter *iter);
129 GtkTextChildAnchor* gtk_text_iter_get_child_anchor (const GtkTextIter *iter);
131 /* Return list of tags toggled at this point (toggled_on determines
132 * whether the list is of on-toggles or off-toggles)
134 GSList *gtk_text_iter_get_toggled_tags (const GtkTextIter *iter,
135 gboolean toggled_on);
137 gboolean gtk_text_iter_begins_tag (const GtkTextIter *iter,
140 gboolean gtk_text_iter_ends_tag (const GtkTextIter *iter,
143 gboolean gtk_text_iter_toggles_tag (const GtkTextIter *iter,
146 gboolean gtk_text_iter_has_tag (const GtkTextIter *iter,
148 GSList *gtk_text_iter_get_tags (const GtkTextIter *iter);
150 gboolean gtk_text_iter_editable (const GtkTextIter *iter,
151 gboolean default_setting);
152 gboolean gtk_text_iter_can_insert (const GtkTextIter *iter,
153 gboolean default_editability);
155 gboolean gtk_text_iter_starts_word (const GtkTextIter *iter);
156 gboolean gtk_text_iter_ends_word (const GtkTextIter *iter);
157 gboolean gtk_text_iter_inside_word (const GtkTextIter *iter);
158 gboolean gtk_text_iter_starts_sentence (const GtkTextIter *iter);
159 gboolean gtk_text_iter_ends_sentence (const GtkTextIter *iter);
160 gboolean gtk_text_iter_inside_sentence (const GtkTextIter *iter);
161 gboolean gtk_text_iter_starts_line (const GtkTextIter *iter);
162 gboolean gtk_text_iter_ends_line (const GtkTextIter *iter);
163 gboolean gtk_text_iter_is_cursor_position (const GtkTextIter *iter);
165 gint gtk_text_iter_get_chars_in_line (const GtkTextIter *iter);
166 gint gtk_text_iter_get_bytes_in_line (const GtkTextIter *iter);
168 gboolean gtk_text_iter_get_attributes (const GtkTextIter *iter,
169 GtkTextAttributes *values);
170 PangoLanguage* gtk_text_iter_get_language (const GtkTextIter *iter);
171 gboolean gtk_text_iter_is_end (const GtkTextIter *iter);
172 gboolean gtk_text_iter_is_start (const GtkTextIter *iter);
175 * Moving around the buffer
178 gboolean gtk_text_iter_forward_char (GtkTextIter *iter);
179 gboolean gtk_text_iter_backward_char (GtkTextIter *iter);
180 gboolean gtk_text_iter_forward_chars (GtkTextIter *iter,
182 gboolean gtk_text_iter_backward_chars (GtkTextIter *iter,
184 gboolean gtk_text_iter_forward_line (GtkTextIter *iter);
185 gboolean gtk_text_iter_backward_line (GtkTextIter *iter);
186 gboolean gtk_text_iter_forward_lines (GtkTextIter *iter,
188 gboolean gtk_text_iter_backward_lines (GtkTextIter *iter,
190 gboolean gtk_text_iter_forward_word_end (GtkTextIter *iter);
191 gboolean gtk_text_iter_backward_word_start (GtkTextIter *iter);
192 gboolean gtk_text_iter_forward_word_ends (GtkTextIter *iter,
194 gboolean gtk_text_iter_backward_word_starts (GtkTextIter *iter,
197 gboolean gtk_text_iter_forward_visible_line (GtkTextIter *iter);
198 gboolean gtk_text_iter_backward_visible_line (GtkTextIter *iter);
199 gboolean gtk_text_iter_forward_visible_lines (GtkTextIter *iter,
201 gboolean gtk_text_iter_backward_visible_lines (GtkTextIter *iter,
204 gboolean gtk_text_iter_forward_visible_word_end (GtkTextIter *iter);
205 gboolean gtk_text_iter_backward_visible_word_start (GtkTextIter *iter);
206 gboolean gtk_text_iter_forward_visible_word_ends (GtkTextIter *iter,
208 gboolean gtk_text_iter_backward_visible_word_starts (GtkTextIter *iter,
211 gboolean gtk_text_iter_forward_sentence_end (GtkTextIter *iter);
212 gboolean gtk_text_iter_backward_sentence_start (GtkTextIter *iter);
213 gboolean gtk_text_iter_forward_sentence_ends (GtkTextIter *iter,
215 gboolean gtk_text_iter_backward_sentence_starts (GtkTextIter *iter,
217 /* cursor positions are almost equivalent to chars, but not quite;
218 * in some languages, you can't put the cursor between certain
219 * chars. Also, you can't put the cursor between \r\n at the end
222 gboolean gtk_text_iter_forward_cursor_position (GtkTextIter *iter);
223 gboolean gtk_text_iter_backward_cursor_position (GtkTextIter *iter);
224 gboolean gtk_text_iter_forward_cursor_positions (GtkTextIter *iter,
226 gboolean gtk_text_iter_backward_cursor_positions (GtkTextIter *iter,
229 gboolean gtk_text_iter_forward_visible_cursor_position (GtkTextIter *iter);
230 gboolean gtk_text_iter_backward_visible_cursor_position (GtkTextIter *iter);
231 gboolean gtk_text_iter_forward_visible_cursor_positions (GtkTextIter *iter,
233 gboolean gtk_text_iter_backward_visible_cursor_positions (GtkTextIter *iter,
237 void gtk_text_iter_set_offset (GtkTextIter *iter,
239 void gtk_text_iter_set_line (GtkTextIter *iter,
241 void gtk_text_iter_set_line_offset (GtkTextIter *iter,
243 void gtk_text_iter_set_line_index (GtkTextIter *iter,
245 void gtk_text_iter_forward_to_end (GtkTextIter *iter);
246 gboolean gtk_text_iter_forward_to_line_end (GtkTextIter *iter);
248 void gtk_text_iter_set_visible_line_offset (GtkTextIter *iter,
250 void gtk_text_iter_set_visible_line_index (GtkTextIter *iter,
253 /* returns TRUE if a toggle was found; NULL for the tag pointer
254 * means "any tag toggle", otherwise the next toggle of the
255 * specified tag is located.
257 gboolean gtk_text_iter_forward_to_tag_toggle (GtkTextIter *iter,
260 gboolean gtk_text_iter_backward_to_tag_toggle (GtkTextIter *iter,
263 typedef gboolean (* GtkTextCharPredicate) (gunichar ch, gpointer user_data);
265 gboolean gtk_text_iter_forward_find_char (GtkTextIter *iter,
266 GtkTextCharPredicate pred,
268 const GtkTextIter *limit);
269 gboolean gtk_text_iter_backward_find_char (GtkTextIter *iter,
270 GtkTextCharPredicate pred,
272 const GtkTextIter *limit);
274 gboolean gtk_text_iter_forward_search (const GtkTextIter *iter,
276 GtkTextSearchFlags flags,
277 GtkTextIter *match_start,
278 GtkTextIter *match_end,
279 const GtkTextIter *limit);
281 gboolean gtk_text_iter_backward_search (const GtkTextIter *iter,
283 GtkTextSearchFlags flags,
284 GtkTextIter *match_start,
285 GtkTextIter *match_end,
286 const GtkTextIter *limit);
292 gboolean gtk_text_iter_equal (const GtkTextIter *lhs,
293 const GtkTextIter *rhs);
294 gint gtk_text_iter_compare (const GtkTextIter *lhs,
295 const GtkTextIter *rhs);
296 gboolean gtk_text_iter_in_range (const GtkTextIter *iter,
297 const GtkTextIter *start,
298 const GtkTextIter *end);
300 /* Put these two in ascending order */
301 void gtk_text_iter_order (GtkTextIter *first,
302 GtkTextIter *second);