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
|
/*
* Copyright (C) 2012-2014 Robin Haberkorn
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include <Scintilla.h>
#include "sciteco.h"
#include "interface.h"
#include "undo.h"
#include "document.h"
namespace SciTECO {
static inline void
set_representations(void)
{
static const char *reps[] = {
"^@", "^A", "^B", "^C", "^D", "^E", "^F", "^G",
"^H", "TAB" /* ^I */, "LF" /* ^J */, "^K", "^L", "CR" /* ^M */, "^N", "^O",
"^P", "^Q", "^R", "^S", "^T", "^U", "^V", "^W",
"^X", "^Y", "^Z", "$" /* ^[ */, "^\\", "^]", "^^", "^_"
};
for (guint cc = 0; cc < G_N_ELEMENTS(reps); cc++) {
gchar buf[] = {(gchar)cc, '\0'};
interface.ssm(SCI_SETREPRESENTATION,
(uptr_t)buf, (sptr_t)reps[cc]);
}
}
class UndoSetRepresentations : public UndoToken {
public:
void
run(void)
{
set_representations();
}
};
void
Document::edit(void)
{
if (!is_initialized())
doc = (SciDoc)interface.ssm(SCI_CREATEDOCUMENT);
interface.ssm(SCI_SETDOCPOINTER, 0, (sptr_t)doc);
interface.ssm(SCI_SETFIRSTVISIBLELINE, first_line);
interface.ssm(SCI_SETXOFFSET, xoffset);
interface.ssm(SCI_SETSEL, anchor, (sptr_t)dot);
/*
* Default TECO-style character representations.
* They are reset on EVERY SETDOCPOINTER call by Scintilla.
*/
set_representations();
}
void
Document::undo_edit(void)
{
if (!is_initialized())
doc = (SciDoc)interface.ssm(SCI_CREATEDOCUMENT);
/*
* see above: set TECO-style character representations
* NOTE: could be done with push_msg() but that requires
* making the entire mapping static constant
*/
undo.push(new UndoSetRepresentations());
undo.push_msg(SCI_SETSEL, anchor, (sptr_t)dot);
undo.push_msg(SCI_SETXOFFSET, xoffset);
undo.push_msg(SCI_SETFIRSTVISIBLELINE, first_line);
undo.push_msg(SCI_SETDOCPOINTER, 0, (sptr_t)doc);
}
void
Document::update(void)
{
anchor = interface.ssm(SCI_GETANCHOR);
dot = interface.ssm(SCI_GETCURRENTPOS);
first_line = interface.ssm(SCI_GETFIRSTVISIBLELINE);
xoffset = interface.ssm(SCI_GETXOFFSET);
}
/*
* Only for QRegisterStack::pop() which does some clever
* exchanging of document data (without any deep copying)
*/
void
Document::exchange(Document &other)
{
SciDoc temp_doc = doc;
gint temp_anchor = anchor;
gint temp_dot = dot;
gint temp_first_line = first_line;
gint temp_xoffset = xoffset;
doc = other.doc;
anchor = other.anchor;
dot = other.dot;
first_line = other.first_line;
xoffset = other.xoffset;
other.doc = temp_doc;
other.anchor = temp_anchor;
other.dot = temp_dot;
other.first_line = temp_first_line;
other.xoffset = temp_xoffset;
}
} /* namespace SciTECO */
|
