1 /****************************************************************************
2 * Copyright (c) 2002-2014,2017 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Thomas E. Dickey *
31 ****************************************************************************/
33 #include <curses.priv.h>
36 #define CUR SP_TERMTYPE
39 MODULE_ID("$Id: lib_vid_attr.c,v 1.25 2017/06/24 13:22:27 tom Exp $")
43 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx mode, 1, outc)
45 #define TurnOn(mask, mode) \
46 if ((turn_on & mask) && mode) { doPut(mode); }
48 #define TurnOff(mask, mode) \
49 if ((turn_off & mask) && mode) { doPut(mode); turn_off &= ~mask; }
51 /* if there is no current screen, assume we *can* do color */
52 #define SetColorsIf(why, old_attr, old_pair) \
53 if (can_color && (why)) { \
54 TR(TRACE_ATTRS, ("old pair = %d -- new pair = %d", old_pair, color_pair)); \
55 if ((color_pair != old_pair) \
56 || (fix_pair0 && (color_pair == 0)) \
57 || (reverse ^ ((old_attr & A_REVERSE) != 0))) { \
58 NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_ARGx \
59 old_pair, color_pair, \
64 #define set_color(mode, pair) \
65 mode &= ALL_BUT_COLOR; \
66 mode |= (attr_t) ColorPair(pair)
69 NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx
71 NCURSES_PAIRS_T pair_arg,
72 void *opts OPTIONAL_PAIR,
75 int color_pair = pair_arg;
76 #if NCURSES_EXT_COLORS
77 static attr_t previous_attr = A_NORMAL;
78 static int previous_pair = 0;
80 attr_t turn_on, turn_off;
82 bool can_color = (SP_PARM == 0 || SP_PARM->_coloron);
84 bool fix_pair0 = (SP_PARM != 0 && SP_PARM->_coloron && !SP_PARM->_default_color);
86 #define fix_pair0 FALSE
89 if (!IsValidTIScreen(SP_PARM))
92 newmode &= A_ATTRIBUTES;
93 set_extended_pair(opts, color_pair);
94 T((T_CALLED("vid_puts(%s,%d)"), _traceattr(newmode), color_pair));
96 /* this allows us to go on whether or not newterm() has been called */
98 previous_attr = AttrOf(SCREEN_ATTRS(SP_PARM));
99 previous_pair = GetPair(SCREEN_ATTRS(SP_PARM));
102 TR(TRACE_ATTRS, ("previous attribute was %s, %d",
103 _traceattr(previous_attr), previous_pair));
107 && (magic_cookie_glitch > 0))
108 newmode &= ~(SP_PARM->_xmc_suppress);
112 * If we have a terminal that cannot combine color with video
113 * attributes, use the colors in preference.
117 && (no_color_video > 0)) {
119 * If we had chosen the A_xxx definitions to correspond to the
120 * no_color_video mask, we could simply shift it up and mask off the
121 * attributes. But we did not (actually copied Solaris' definitions).
122 * However, this is still simpler/faster than a lookup table.
124 * The 63 corresponds to A_STANDOUT, A_UNDERLINE, A_REVERSE, A_BLINK,
125 * A_DIM, A_BOLD which are 1:1 with no_color_video. The bits that
126 * correspond to A_INVIS, A_PROTECT (192) must be shifted up 1 and
127 * A_ALTCHARSET (256) down 2 to line up. We use the NCURSES_BITS
128 * macro so this will work properly for the wide-character layout.
130 unsigned value = (unsigned) no_color_video;
131 attr_t mask = NCURSES_BITS((value & 63)
132 | ((value & 192) << 1)
133 | ((value & 256) >> 2), 8);
135 if ((mask & A_REVERSE) != 0
136 && (newmode & A_REVERSE) != 0) {
143 if (newmode == previous_attr
144 && color_pair == previous_pair)
148 newmode &= ~A_REVERSE;
151 turn_off = (~newmode & previous_attr) & ALL_BUT_COLOR;
152 turn_on = (newmode & ~(previous_attr & TPARM_ATTR)) & ALL_BUT_COLOR;
154 SetColorsIf(((color_pair == 0) && !fix_pair0), previous_attr, previous_pair);
156 if (newmode == A_NORMAL) {
157 if ((previous_attr & A_ALTCHARSET) && exit_alt_charset_mode) {
158 doPut(exit_alt_charset_mode);
159 previous_attr &= ~A_ALTCHARSET;
162 if (exit_attribute_mode) {
163 doPut(exit_attribute_mode);
165 if (!SP_PARM || SP_PARM->_use_rmul) {
166 TurnOff(A_UNDERLINE, exit_underline_mode);
168 if (!SP_PARM || SP_PARM->_use_rmso) {
169 TurnOff(A_STANDOUT, exit_standout_mode);
172 if (!SP_PARM || SP_PARM->_use_ritm) {
173 TurnOff(A_ITALIC, exit_italics_mode);
177 previous_attr &= ALL_BUT_COLOR;
181 SetColorsIf((color_pair != 0) || fix_pair0, previous_attr, previous_pair);
182 } else if (set_attributes) {
183 if (turn_on || turn_off) {
184 TPUTS_TRACE("set_attributes");
185 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
186 TPARM_9(set_attributes,
187 (newmode & A_STANDOUT) != 0,
188 (newmode & A_UNDERLINE) != 0,
189 (newmode & A_REVERSE) != 0,
190 (newmode & A_BLINK) != 0,
191 (newmode & A_DIM) != 0,
192 (newmode & A_BOLD) != 0,
193 (newmode & A_INVIS) != 0,
194 (newmode & A_PROTECT) != 0,
195 (newmode & A_ALTCHARSET) != 0),
197 previous_attr &= ALL_BUT_COLOR;
201 if (!SP_PARM || SP_PARM->_use_ritm) {
202 if (turn_on & A_ITALIC) {
203 TurnOn(A_ITALIC, enter_italics_mode);
204 } else if (turn_off & A_ITALIC) {
205 TurnOff(A_ITALIC, exit_italics_mode);
209 SetColorsIf((color_pair != 0) || fix_pair0, previous_attr, previous_pair);
212 TR(TRACE_ATTRS, ("turning %s off", _traceattr(turn_off)));
214 TurnOff(A_ALTCHARSET, exit_alt_charset_mode);
216 if (!SP_PARM || SP_PARM->_use_rmul) {
217 TurnOff(A_UNDERLINE, exit_underline_mode);
220 if (!SP_PARM || SP_PARM->_use_rmso) {
221 TurnOff(A_STANDOUT, exit_standout_mode);
224 if (!SP_PARM || SP_PARM->_use_ritm) {
225 TurnOff(A_ITALIC, exit_italics_mode);
228 if (turn_off && exit_attribute_mode) {
229 doPut(exit_attribute_mode);
230 turn_on |= (newmode & ALL_BUT_COLOR);
231 previous_attr &= ALL_BUT_COLOR;
234 SetColorsIf((color_pair != 0) || fix_pair0, previous_attr, previous_pair);
236 TR(TRACE_ATTRS, ("turning %s on", _traceattr(turn_on)));
238 TurnOn(A_ALTCHARSET, enter_alt_charset_mode);
239 TurnOn(A_BLINK, enter_blink_mode);
240 TurnOn(A_BOLD, enter_bold_mode);
241 TurnOn(A_DIM, enter_dim_mode);
242 TurnOn(A_REVERSE, enter_reverse_mode);
243 TurnOn(A_STANDOUT, enter_standout_mode);
244 TurnOn(A_PROTECT, enter_protected_mode);
245 TurnOn(A_INVIS, enter_secure_mode);
246 TurnOn(A_UNDERLINE, enter_underline_mode);
248 TurnOn(A_ITALIC, enter_italics_mode);
250 #if USE_WIDEC_SUPPORT
251 TurnOn(A_HORIZONTAL, enter_horizontal_hl_mode);
252 TurnOn(A_LEFT, enter_left_hl_mode);
253 TurnOn(A_LOW, enter_low_hl_mode);
254 TurnOn(A_RIGHT, enter_right_hl_mode);
255 TurnOn(A_TOP, enter_top_hl_mode);
256 TurnOn(A_VERTICAL, enter_vertical_hl_mode);
263 newmode |= A_REVERSE;
266 SetAttr(SCREEN_ATTRS(SP_PARM), newmode);
267 SetPair(SCREEN_ATTRS(SP_PARM), color_pair);
269 previous_attr = newmode;
270 previous_pair = color_pair;
275 T((T_CALLED("vid_puts(%s,%d)"), _traceattr(newmode), color_pair));
277 set_color(newmode, color_pair);
278 returnCode(NCURSES_SP_NAME(vidputs) (NCURSES_SP_ARGx newmode, outc));
284 vid_puts(attr_t newmode,
285 NCURSES_PAIRS_T pair_arg,
286 void *opts GCC_UNUSED,
289 SetSafeOutcWrapper(outc);
290 return NCURSES_SP_NAME(vid_puts) (CURRENT_SCREEN,
300 NCURSES_SP_NAME(vid_attr) (NCURSES_SP_DCLx
302 NCURSES_PAIRS_T pair_arg,
305 T((T_CALLED("vid_attr(%s,%d)"), _traceattr(newmode), (int) pair_arg));
306 returnCode(NCURSES_SP_NAME(vid_puts) (NCURSES_SP_ARGx
310 NCURSES_SP_NAME(_nc_putchar)));
315 vid_attr(attr_t newmode, NCURSES_PAIRS_T pair_arg, void *opts)
317 return NCURSES_SP_NAME(vid_attr) (CURRENT_SCREEN, newmode, pair_arg, opts);
322 * This implementation uses the same mask values for A_xxx and WA_xxx, so
323 * we can use termattrs() for part of the logic.
325 NCURSES_EXPORT(attr_t)
326 NCURSES_SP_NAME(term_attrs) (NCURSES_SP_DCL0)
330 T((T_CALLED("term_attrs()")));
332 attrs = NCURSES_SP_NAME(termattrs) (NCURSES_SP_ARG);
334 /* these are only supported for wide-character mode */
335 if (enter_horizontal_hl_mode)
336 attrs |= WA_HORIZONTAL;
337 if (enter_left_hl_mode)
339 if (enter_low_hl_mode)
341 if (enter_right_hl_mode)
343 if (enter_top_hl_mode)
345 if (enter_vertical_hl_mode)
346 attrs |= WA_VERTICAL;
353 NCURSES_EXPORT(attr_t)
356 return NCURSES_SP_NAME(term_attrs) (CURRENT_SCREEN);