1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
|
#ifndef GTK_TEXT_BTREE_H
#define GTK_TEXT_BTREE_H
#include <gtk/gtktextbuffer.h>
#include <gtk/gtktexttag.h>
#include <gtk/gtktextmark.h>
#include <gtk/gtktextchild.h>
#include <gtk/gtktextsegment.h>
#include <gtk/gtktextiter.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
GtkTextBTree *gtk_text_btree_new (GtkTextTagTable *table,
GtkTextBuffer *buffer);
void gtk_text_btree_ref (GtkTextBTree *tree);
void gtk_text_btree_unref (GtkTextBTree *tree);
GtkTextBuffer *gtk_text_btree_get_buffer (GtkTextBTree *tree);
guint gtk_text_btree_get_chars_changed_stamp (GtkTextBTree *tree);
guint gtk_text_btree_get_segments_changed_stamp (GtkTextBTree *tree);
void gtk_text_btree_segments_changed (GtkTextBTree *tree);
/* Indexable segment mutation */
void gtk_text_btree_delete (GtkTextIter *start,
GtkTextIter *end);
void gtk_text_btree_insert (GtkTextIter *iter,
const gchar *text,
gint len);
void gtk_text_btree_insert_pixmap (GtkTextIter *iter,
GdkPixmap *pixmap,
GdkBitmap *mask);
/* View stuff */
GtkTextLine *gtk_text_btree_find_line_by_y (GtkTextBTree *tree,
gpointer view_id,
gint ypixel,
gint *line_top_y);
gint gtk_text_btree_find_line_top (GtkTextBTree *tree,
GtkTextLine *line,
gpointer view_id);
void gtk_text_btree_add_view (GtkTextBTree *tree,
GtkTextLayout *layout);
void gtk_text_btree_remove_view (GtkTextBTree *tree,
gpointer view_id);
void gtk_text_btree_invalidate_region (GtkTextBTree *tree,
const GtkTextIter *start,
const GtkTextIter *end);
void gtk_text_btree_get_view_size (GtkTextBTree *tree,
gpointer view_id,
gint *width,
gint *height);
gboolean gtk_text_btree_is_valid (GtkTextBTree *tree,
gpointer view_id);
gboolean gtk_text_btree_validate (GtkTextBTree *tree,
gpointer view_id,
gint max_pixels,
gint *y,
gint *old_height,
gint *new_height);
void gtk_text_btree_validate_line (GtkTextBTree *tree,
GtkTextLine *line,
gpointer view_id);
/* Tag */
void gtk_text_btree_tag (const GtkTextIter *start,
const GtkTextIter *end,
GtkTextTag *tag,
gboolean apply);
/* "Getters" */
GtkTextLine * gtk_text_btree_get_line (GtkTextBTree *tree,
gint line_number,
gint *real_line_number);
GtkTextLine * gtk_text_btree_get_line_at_char (GtkTextBTree *tree,
gint char_index,
gint *line_start_index,
gint *real_char_index);
GtkTextTag** gtk_text_btree_get_tags (const GtkTextIter *iter,
gint *num_tags);
gchar *gtk_text_btree_get_text (const GtkTextIter *start,
const GtkTextIter *end,
gboolean include_hidden,
gboolean include_nonchars);
gint gtk_text_btree_line_count (GtkTextBTree *tree);
gint gtk_text_btree_char_count (GtkTextBTree *tree);
gboolean gtk_text_btree_char_is_invisible (const GtkTextIter *iter);
/* Get iterators (these are implemented in gtktextiter.c) */
void gtk_text_btree_get_iter_at_char (GtkTextBTree *tree,
GtkTextIter *iter,
gint char_index);
void gtk_text_btree_get_iter_at_line_char (GtkTextBTree *tree,
GtkTextIter *iter,
gint line_number,
gint char_index);
void gtk_text_btree_get_iter_at_line_byte (GtkTextBTree *tree,
GtkTextIter *iter,
gint line_number,
gint byte_index);
gboolean gtk_text_btree_get_iter_from_string (GtkTextBTree *tree,
GtkTextIter *iter,
const gchar *string);
gboolean gtk_text_btree_get_iter_at_mark_name (GtkTextBTree *tree,
GtkTextIter *iter,
const gchar *mark_name);
void gtk_text_btree_get_iter_at_mark (GtkTextBTree *tree,
GtkTextIter *iter,
GtkTextMark *mark);
void gtk_text_btree_get_last_iter (GtkTextBTree *tree,
GtkTextIter *iter);
void gtk_text_btree_get_iter_at_line (GtkTextBTree *tree,
GtkTextIter *iter,
GtkTextLine *line,
gint byte_offset);
gboolean gtk_text_btree_get_iter_at_first_toggle (GtkTextBTree *tree,
GtkTextIter *iter,
GtkTextTag *tag);
gboolean gtk_text_btree_get_iter_at_last_toggle (GtkTextBTree *tree,
GtkTextIter *iter,
GtkTextTag *tag);
/* Manipulate marks */
GtkTextMark *gtk_text_btree_set_mark (GtkTextBTree *tree,
GtkTextMark *existing_mark,
const gchar *name,
gboolean left_gravity,
const GtkTextIter *index,
gboolean should_exist);
void gtk_text_btree_remove_mark_by_name (GtkTextBTree *tree,
const gchar *name);
void gtk_text_btree_remove_mark (GtkTextBTree *tree,
GtkTextMark *segment);
gboolean gtk_text_btree_get_selection_bounds (GtkTextBTree *tree,
GtkTextIter *start,
GtkTextIter *end);
void gtk_text_btree_place_cursor (GtkTextBTree *tree,
const GtkTextIter *where);
gboolean gtk_text_btree_mark_is_insert (GtkTextBTree *tree,
GtkTextMark *segment);
gboolean gtk_text_btree_mark_is_selection_bound (GtkTextBTree *tree,
GtkTextMark *segment);
GtkTextMark *gtk_text_btree_get_mark_by_name (GtkTextBTree *tree,
const gchar *name);
GtkTextLine * gtk_text_btree_first_could_contain_tag (GtkTextBTree *tree,
GtkTextTag *tag);
GtkTextLine * gtk_text_btree_last_could_contain_tag (GtkTextBTree *tree,
GtkTextTag *tag);
/* Lines */
/* Chunk of data associated with a line; views can use this to store
info at the line. They should "subclass" the header struct here. */
struct _GtkTextLineData {
gpointer view_id;
GtkTextLineData *next;
gint height;
gint width : 24;
gint valid : 8;
};
/*
* The data structure below defines a single line of text (from newline
* to newline, not necessarily what appears on one line of the screen).
*
* You can consider this line a "paragraph" also
*/
struct _GtkTextLine {
GtkTextBTreeNode *parent; /* Pointer to parent node containing
* line. */
GtkTextLine *next; /* Next in linked list of lines with
* same parent node in B-tree. NULL
* means end of list. */
GtkTextLineSegment *segments; /* First in ordered list of segments
* that make up the line. */
GtkTextLineData *views; /* data stored here by views */
};
gint gtk_text_line_get_number (GtkTextLine *line);
gboolean gtk_text_line_char_has_tag (GtkTextLine *line,
GtkTextBTree *tree,
gint char_in_line,
GtkTextTag *tag);
gboolean gtk_text_line_byte_has_tag (GtkTextLine *line,
GtkTextBTree *tree,
gint byte_in_line,
GtkTextTag *tag);
gboolean gtk_text_line_is_last (GtkTextLine *line);
GtkTextLine * gtk_text_line_next (GtkTextLine *line);
GtkTextLine * gtk_text_line_previous (GtkTextLine *line);
void gtk_text_line_add_data (GtkTextLine *line,
GtkTextLineData *data);
gpointer gtk_text_line_remove_data (GtkTextLine *line,
gpointer view_id);
gpointer gtk_text_line_get_data (GtkTextLine *line,
gpointer view_id);
void gtk_text_line_invalidate_wrap (GtkTextLine *line,
GtkTextLineData *ld);
gint gtk_text_line_char_count (GtkTextLine *line);
gint gtk_text_line_byte_count (GtkTextLine *line);
gint gtk_text_line_char_index (GtkTextLine *line);
GtkTextLineSegment *gtk_text_line_byte_to_segment (GtkTextLine *line,
gint byte_offset,
gint *seg_offset);
GtkTextLineSegment *gtk_text_line_char_to_segment (GtkTextLine *line,
gint char_offset,
gint *seg_offset);
void gtk_text_line_byte_locate (GtkTextLine *line,
gint byte_offset,
GtkTextLineSegment **segment,
GtkTextLineSegment **any_segment,
gint *seg_byte_offset,
gint *line_byte_offset);
void gtk_text_line_char_locate (GtkTextLine *line,
gint char_offset,
GtkTextLineSegment **segment,
GtkTextLineSegment **any_segment,
gint *seg_char_offset,
gint *line_char_offset);
void gtk_text_line_byte_to_char_offsets (GtkTextLine *line,
gint byte_offset,
gint *line_char_offset,
gint *seg_char_offset);
void gtk_text_line_char_to_byte_offsets (GtkTextLine *line,
gint char_offset,
gint *line_byte_offset,
gint *seg_byte_offset);
GtkTextLineSegment *gtk_text_line_byte_to_any_segment (GtkTextLine *line,
gint byte_offset,
gint *seg_offset);
GtkTextLineSegment *gtk_text_line_char_to_any_segment (GtkTextLine *line,
gint char_offset,
gint *seg_offset);
gint gtk_text_line_byte_to_char (GtkTextLine *line,
gint byte_offset);
gint gtk_text_line_char_to_byte (GtkTextLine *line,
gint char_offset);
GtkTextLine * gtk_text_line_next_could_contain_tag (GtkTextLine *line,
GtkTextBTree *tree,
GtkTextTag *tag);
GtkTextLine * gtk_text_line_previous_could_contain_tag (GtkTextLine *line,
GtkTextBTree *tree,
GtkTextTag *tag);
/* Debug */
void gtk_text_btree_check (GtkTextBTree *tree);
void gtk_text_btree_spew (GtkTextBTree *tree);
extern gboolean gtk_text_view_debug_btree;
/* ignore, exported only for gtktextsegment.c */
void toggle_segment_check_func (GtkTextLineSegment *segPtr,
GtkTextLine *line);
void change_node_toggle_count (GtkTextBTreeNode *node,
GtkTextTagInfo *info,
gint delta);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
|