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
|
/***************************************************************************
* COPYRIGHT NOTICE *
****************************************************************************
* ncurses is copyright (C) 1992-1995 *
* Zeyd M. Ben-Halim *
* zmbenhal@netcom.com *
* Eric S. Raymond *
* esr@snark.thyrsus.com *
* *
* Permission is hereby granted to reproduce and distribute ncurses *
* by any means and for any fee, whether alone or as part of a *
* larger distribution, in source or in binary form, PROVIDED *
* this notice is included with any such distribution, and is not *
* removed from any of its header files. Mention of ncurses in any *
* applications linked with it is highly appreciated. *
* *
* ncurses comes AS IS with no warranty, implied or expressed. *
* *
***************************************************************************/
/*
* vidputs(newmode, outc)
*
* newmode is taken to be the logical 'or' of the symbols in curses.h
* representing graphic renditions. The teminal is set to be in all of
* the given modes, if possible.
*
* if the new attribute is normal
* if exit-alt-char-set exists
* emit it
* emit exit-attribute-mode
* else if set-attributes exists
* use it to set exactly what you want
* else
* if exit-attribute-mode exists
* turn off everything
* else
* turn off those which can be turned off and aren't in
* newmode.
* turn on each mode which should be on and isn't, one by one
*
* NOTE that this algorithm won't achieve the desired mix of attributes
* in some cases, but those are probably just those cases in which it is
* actually impossible, anyway, so...
*/
#include "curses.priv.h"
#include <string.h>
#include "term.h"
int vidputs(attr_t newmode, int (*outc)(int))
{
static attr_t previous_attr;
attr_t turn_on, turn_off;
T(("vidputs(%lx) called %s", newmode, _traceattr(newmode)));
/* this allows us to go on whether or not newterm() has been called */
if (SP)
previous_attr = SP->_current_attr;
T(("previous attribute was %s", _traceattr(previous_attr)));
turn_off = (~newmode & previous_attr) & (chtype)(~A_COLOR);
turn_on = (newmode & ~previous_attr) & (chtype)(~A_COLOR);
if (newmode == previous_attr)
return OK;
if (newmode == A_NORMAL) {
if((previous_attr & A_ALTCHARSET) && exit_alt_charset_mode) {
TPUTS_TRACE("exit_alt_charset_mode");
tputs(exit_alt_charset_mode, 1, outc);
previous_attr &= ~A_ALTCHARSET;
}
if (previous_attr & A_COLOR) {
TPUTS_TRACE("orig_pair");
tputs(orig_pair, 1, outc);
}
if (previous_attr) {
TPUTS_TRACE("exit_attribute_mode");
tputs(exit_attribute_mode, 1, outc);
}
} else if (set_attributes) {
if (turn_on || turn_off) {
TPUTS_TRACE("set_attributes");
tputs(tparm(set_attributes,
(newmode & A_STANDOUT) != 0,
(newmode & A_UNDERLINE) != 0,
(newmode & A_REVERSE) != 0,
(newmode & A_BLINK) != 0,
(newmode & A_DIM) != 0,
(newmode & A_BOLD) != 0,
(newmode & A_INVIS) != 0,
(newmode & A_PROTECT) != 0,
(newmode & A_ALTCHARSET) != 0), 1, outc);
/*
* Setting attributes in this way tends to unset the
* ones (such as color) that weren't specified.
*/
turn_off |= A_COLOR;
}
} else {
T(("turning %s off", _traceattr(turn_off)));
if ((turn_off & A_ALTCHARSET) && exit_alt_charset_mode) {
TPUTS_TRACE("exit_alt_charset_mode");
tputs(exit_alt_charset_mode, 1, outc);
turn_off &= ~A_ALTCHARSET;
}
if ((turn_off & A_UNDERLINE) && exit_underline_mode) {
TPUTS_TRACE("exit_underline_mode");
tputs(exit_underline_mode, 1, outc);
turn_off &= ~A_UNDERLINE;
}
if ((turn_off & A_STANDOUT) && exit_standout_mode) {
TPUTS_TRACE("exit_standout_mode");
tputs(exit_standout_mode, 1, outc);
turn_off &= ~A_STANDOUT;
}
if (turn_off && exit_attribute_mode) {
TPUTS_TRACE("exit_attribute_mode");
tputs(exit_attribute_mode, 1, outc);
turn_on |= (newmode & (chtype)(~A_COLOR));
turn_off |= A_COLOR;
}
T(("turning %s on", _traceattr(turn_on)));
if ((turn_on & A_ALTCHARSET) && enter_alt_charset_mode) {
TPUTS_TRACE("enter_alt_charset_mode");
tputs(enter_alt_charset_mode, 1, outc);
}
if ((turn_on & A_BLINK) && enter_blink_mode) {
TPUTS_TRACE("enter_blink_mode");
tputs(enter_blink_mode, 1, outc);
}
if ((turn_on & A_BOLD) && enter_bold_mode) {
TPUTS_TRACE("enter_bold_mode");
tputs(enter_bold_mode, 1, outc);
}
if ((turn_on & A_DIM) && enter_dim_mode) {
TPUTS_TRACE("enter_dim_mode");
tputs(enter_dim_mode, 1, outc);
}
if ((turn_on & A_REVERSE) && enter_reverse_mode) {
TPUTS_TRACE("enter_reverse_mode");
tputs(enter_reverse_mode, 1, outc);
}
if ((turn_on & A_STANDOUT) && enter_standout_mode) {
TPUTS_TRACE("enter_standout_mode");
tputs(enter_standout_mode, 1, outc);
}
if ((turn_on & A_PROTECT) && enter_protected_mode) {
TPUTS_TRACE("enter_protected_mode");
tputs(enter_protected_mode, 1, outc);
}
if ((turn_on & A_INVIS) && enter_secure_mode) {
TPUTS_TRACE("enter_secure_mode");
tputs(enter_secure_mode, 1, outc);
}
if ((turn_on & A_UNDERLINE) && enter_underline_mode) {
TPUTS_TRACE("enter_underline_mode");
tputs(enter_underline_mode, 1, outc);
}
if ((turn_on & A_HORIZONTAL) && enter_horizontal_hl_mode) {
TPUTS_TRACE("enter_horizontal_hl_mode");
tputs(enter_horizontal_hl_mode, 1, outc);
}
if ((turn_on & A_LEFT) && enter_left_hl_mode) {
TPUTS_TRACE("enter_left_hl_mode");
tputs(enter_left_hl_mode, 1, outc);
}
if ((turn_on & A_LOW) && enter_low_hl_mode) {
TPUTS_TRACE("enter_low_hl_mode");
tputs(enter_low_hl_mode, 1, outc);
}
if ((turn_on & A_RIGHT) && enter_right_hl_mode) {
TPUTS_TRACE("enter_right_hl_mode");
tputs(enter_right_hl_mode, 1, outc);
}
if ((turn_on & A_TOP) && enter_top_hl_mode) {
TPUTS_TRACE("enter_top_hl_mode");
tputs(enter_top_hl_mode, 1, outc);
}
if ((turn_on & A_VERTICAL) && enter_vertical_hl_mode) {
TPUTS_TRACE("enter_vertical_hl_mode");
tputs(enter_vertical_hl_mode, 1, outc);
}
}
/* if there is no crrent screen, assume we *can* do color */
if (!SP || SP->_coloron) {
int pair = PAIR_NUMBER(newmode);
int current_pair = PAIR_NUMBER(previous_attr);
T(("old pair = %d -- new pair = %d", current_pair, pair));
if (pair != current_pair || (turn_off && pair)) {
_nc_do_color(pair, outc);
}
}
if (SP)
SP->_current_attr = newmode;
T(("vidputs finished"));
return OK;
}
#undef vidattr
int vidattr(attr_t newmode)
{
T(("vidattr(%lx) called", newmode));
return(vidputs(newmode, _nc_outch));
}
attr_t termattrs(void)
{
int attrs = A_NORMAL;
if (enter_alt_charset_mode)
attrs |= A_ALTCHARSET;
if (enter_blink_mode)
attrs |= A_BLINK;
if (enter_bold_mode)
attrs |= A_BOLD;
if (enter_dim_mode)
attrs |= A_DIM;
if (enter_reverse_mode)
attrs |= A_REVERSE;
if (enter_standout_mode)
attrs |= A_STANDOUT;
if (enter_protected_mode)
attrs |= A_PROTECT;
if (enter_secure_mode)
attrs |= A_INVIS;
if (enter_underline_mode)
attrs |= A_UNDERLINE;
if (SP->_coloron)
attrs |= A_COLOR;
return(attrs);
}
|
