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
|
/*
* Copyright (C) 2002,2009,2010 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 2.1 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Red Hat Author(s): Behdad Esfahbod
*/
/* The interfaces in this file are subject to change at any time. */
#ifndef vte_ring_h_included
#define vte_ring_h_included
#include <gio/gio.h>
#include "vte.h"
#include "vterowdata.h"
#include "vtestream.h"
G_BEGIN_DECLS
typedef struct _VteVisualPosition {
long row, col;
} VteVisualPosition;
typedef struct _VteCellAttrChange {
gsize text_end_offset; /* offset of first character no longer using this attr */
VteIntCellAttr attr;
} VteCellAttrChange;
/*
* VteRing: A scrollback buffer ring
*/
typedef struct _VteRing VteRing;
struct _VteRing {
gulong max;
gulong start, end;
/* Writable */
gulong writable, mask;
VteRowData *array;
/* Storage */
VteStream *attr_stream, *text_stream, *row_stream;
gsize last_attr_text_start_offset;
VteIntCellAttr last_attr;
GString *utf8_buffer;
VteRowData cached_row;
gulong cached_row_num;
gulong visible_rows_hint; /* to keep at least a screenful of lines in memory, bug 646098 comment 12 */
};
#define _vte_ring_contains(__ring, __position) \
(((gulong) (__position) >= (__ring)->start) && \
((gulong) (__position) < (__ring)->end))
#define _vte_ring_delta(__ring) ((glong) (__ring)->start)
#define _vte_ring_length(__ring) ((glong) ((__ring)->end - (__ring)->start))
#define _vte_ring_next(__ring) ((glong) (__ring)->end)
const VteRowData *_vte_ring_index (VteRing *ring, gulong position);
VteRowData *_vte_ring_index_writable (VteRing *ring, gulong position);
void _vte_ring_init (VteRing *ring, gulong max_rows);
void _vte_ring_fini (VteRing *ring);
void _vte_ring_resize (VteRing *ring, gulong max_rows);
void _vte_ring_shrink (VteRing *ring, gulong max_len);
VteRowData *_vte_ring_insert (VteRing *ring, gulong position);
VteRowData *_vte_ring_append (VteRing *ring);
void _vte_ring_remove (VteRing *ring, gulong position);
void _vte_ring_set_visible_rows_hint (VteRing *ring, gulong rows);
void _vte_ring_rewrap (VteRing *ring, glong columns, VteVisualPosition **markers);
gboolean _vte_ring_write_contents (VteRing *ring,
GOutputStream *stream,
VteWriteFlags flags,
GCancellable *cancellable,
GError **error);
G_END_DECLS
#endif
|
