1 /****************************************************************************
2 * Copyright (c) 2002-2013,2014 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 1.23 2014/06/07 22:13:46 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, pair)); \
55 if ((pair != old_pair) \
56 || (fix_pair0 && (pair == 0)) \
57 || (reverse ^ ((old_attr & A_REVERSE) != 0))) { \
58 NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_ARGx \
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
72 void *opts GCC_UNUSED,
75 #if NCURSES_EXT_COLORS
76 static attr_t previous_attr = A_NORMAL;
77 static int previous_pair = 0;
79 attr_t turn_on, turn_off;
81 bool can_color = (SP_PARM == 0 || SP_PARM->_coloron);
83 bool fix_pair0 = (SP_PARM != 0 && SP_PARM->_coloron && !SP_PARM->_default_color);
85 #define fix_pair0 FALSE
88 newmode &= A_ATTRIBUTES;
89 T((T_CALLED("vid_puts(%s,%d)"), _traceattr(newmode), pair));
91 /* this allows us to go on whether or not newterm() has been called */
93 previous_attr = AttrOf(SCREEN_ATTRS(SP_PARM));
94 previous_pair = GetPair(SCREEN_ATTRS(SP_PARM));
97 TR(TRACE_ATTRS, ("previous attribute was %s, %d",
98 _traceattr(previous_attr), previous_pair));
102 && (magic_cookie_glitch > 0))
103 newmode &= ~(SP_PARM->_xmc_suppress);
107 * If we have a terminal that cannot combine color with video
108 * attributes, use the colors in preference.
112 && (no_color_video > 0)) {
114 * If we had chosen the A_xxx definitions to correspond to the
115 * no_color_video mask, we could simply shift it up and mask off the
116 * attributes. But we did not (actually copied Solaris' definitions).
117 * However, this is still simpler/faster than a lookup table.
119 * The 63 corresponds to A_STANDOUT, A_UNDERLINE, A_REVERSE, A_BLINK,
120 * A_DIM, A_BOLD which are 1:1 with no_color_video. The bits that
121 * correspond to A_INVIS, A_PROTECT (192) must be shifted up 1 and
122 * A_ALTCHARSET (256) down 2 to line up. We use the NCURSES_BITS
123 * macro so this will work properly for the wide-character layout.
125 unsigned value = (unsigned) no_color_video;
126 attr_t mask = NCURSES_BITS((value & 63)
127 | ((value & 192) << 1)
128 | ((value & 256) >> 2), 8);
130 if ((mask & A_REVERSE) != 0
131 && (newmode & A_REVERSE) != 0) {
138 if (newmode == previous_attr
139 && pair == previous_pair)
143 newmode &= ~A_REVERSE;
146 turn_off = (~newmode & previous_attr) & ALL_BUT_COLOR;
147 turn_on = (newmode & ~(previous_attr & TPARM_ATTR)) & ALL_BUT_COLOR;
149 SetColorsIf(((pair == 0) && !fix_pair0), previous_attr, previous_pair);
151 if (newmode == A_NORMAL) {
152 if ((previous_attr & A_ALTCHARSET) && exit_alt_charset_mode) {
153 doPut(exit_alt_charset_mode);
154 previous_attr &= ~A_ALTCHARSET;
157 if (exit_attribute_mode) {
158 doPut(exit_attribute_mode);
160 if (!SP_PARM || SP_PARM->_use_rmul) {
161 TurnOff(A_UNDERLINE, exit_underline_mode);
163 if (!SP_PARM || SP_PARM->_use_rmso) {
164 TurnOff(A_STANDOUT, exit_standout_mode);
167 if (!SP_PARM || SP_PARM->_use_ritm) {
168 TurnOff(A_ITALIC, exit_italics_mode);
172 previous_attr &= ALL_BUT_COLOR;
176 SetColorsIf((pair != 0) || fix_pair0, previous_attr, previous_pair);
177 } else if (set_attributes) {
178 if (turn_on || turn_off) {
179 TPUTS_TRACE("set_attributes");
180 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
181 TPARM_9(set_attributes,
182 (newmode & A_STANDOUT) != 0,
183 (newmode & A_UNDERLINE) != 0,
184 (newmode & A_REVERSE) != 0,
185 (newmode & A_BLINK) != 0,
186 (newmode & A_DIM) != 0,
187 (newmode & A_BOLD) != 0,
188 (newmode & A_INVIS) != 0,
189 (newmode & A_PROTECT) != 0,
190 (newmode & A_ALTCHARSET) != 0),
192 previous_attr &= ALL_BUT_COLOR;
196 if (!SP_PARM || SP_PARM->_use_ritm) {
197 if (turn_on & A_ITALIC) {
198 TurnOn(A_ITALIC, enter_italics_mode);
199 } else if (turn_off & A_ITALIC) {
200 TurnOff(A_ITALIC, exit_italics_mode);
204 SetColorsIf((pair != 0) || fix_pair0, previous_attr, previous_pair);
207 TR(TRACE_ATTRS, ("turning %s off", _traceattr(turn_off)));
209 TurnOff(A_ALTCHARSET, exit_alt_charset_mode);
211 if (!SP_PARM || SP_PARM->_use_rmul) {
212 TurnOff(A_UNDERLINE, exit_underline_mode);
215 if (!SP_PARM || SP_PARM->_use_rmso) {
216 TurnOff(A_STANDOUT, exit_standout_mode);
219 if (!SP_PARM || SP_PARM->_use_ritm) {
220 TurnOff(A_ITALIC, exit_italics_mode);
223 if (turn_off && exit_attribute_mode) {
224 doPut(exit_attribute_mode);
225 turn_on |= (newmode & ALL_BUT_COLOR);
226 previous_attr &= ALL_BUT_COLOR;
229 SetColorsIf((pair != 0) || fix_pair0, previous_attr, previous_pair);
231 TR(TRACE_ATTRS, ("turning %s on", _traceattr(turn_on)));
233 TurnOn(A_ALTCHARSET, enter_alt_charset_mode);
234 TurnOn(A_BLINK, enter_blink_mode);
235 TurnOn(A_BOLD, enter_bold_mode);
236 TurnOn(A_DIM, enter_dim_mode);
237 TurnOn(A_REVERSE, enter_reverse_mode);
238 TurnOn(A_STANDOUT, enter_standout_mode);
239 TurnOn(A_PROTECT, enter_protected_mode);
240 TurnOn(A_INVIS, enter_secure_mode);
241 TurnOn(A_UNDERLINE, enter_underline_mode);
243 TurnOn(A_ITALIC, enter_italics_mode);
245 #if USE_WIDEC_SUPPORT
246 TurnOn(A_HORIZONTAL, enter_horizontal_hl_mode);
247 TurnOn(A_LEFT, enter_left_hl_mode);
248 TurnOn(A_LOW, enter_low_hl_mode);
249 TurnOn(A_RIGHT, enter_right_hl_mode);
250 TurnOn(A_TOP, enter_top_hl_mode);
251 TurnOn(A_VERTICAL, enter_vertical_hl_mode);
258 newmode |= A_REVERSE;
261 SetAttr(SCREEN_ATTRS(SP_PARM), newmode);
262 SetPair(SCREEN_ATTRS(SP_PARM), pair);
264 previous_attr = newmode;
265 previous_pair = pair;
270 T((T_CALLED("vid_puts(%s,%d)"), _traceattr(newmode), (int) pair));
271 set_color(newmode, pair);
272 returnCode(NCURSES_SP_NAME(vidputs) (NCURSES_SP_ARGx newmode, outc));
278 vid_puts(attr_t newmode,
279 NCURSES_PAIRS_T pair,
280 void *opts GCC_UNUSED,
283 SetSafeOutcWrapper(outc);
284 return NCURSES_SP_NAME(vid_puts) (CURRENT_SCREEN,
294 NCURSES_SP_NAME(vid_attr) (NCURSES_SP_DCLx
296 NCURSES_PAIRS_T pair,
299 T((T_CALLED("vid_attr(%s,%d)"), _traceattr(newmode), (int) pair));
300 returnCode(NCURSES_SP_NAME(vid_puts) (NCURSES_SP_ARGx
304 NCURSES_SP_NAME(_nc_putchar)));
309 vid_attr(attr_t newmode, NCURSES_PAIRS_T pair, void *opts)
311 return NCURSES_SP_NAME(vid_attr) (CURRENT_SCREEN, newmode, pair, opts);
316 * This implementation uses the same mask values for A_xxx and WA_xxx, so
317 * we can use termattrs() for part of the logic.
319 NCURSES_EXPORT(attr_t)
320 NCURSES_SP_NAME(term_attrs) (NCURSES_SP_DCL0)
324 T((T_CALLED("term_attrs()")));
326 attrs = NCURSES_SP_NAME(termattrs) (NCURSES_SP_ARG);
328 /* these are only supported for wide-character mode */
329 if (enter_horizontal_hl_mode)
330 attrs |= WA_HORIZONTAL;
331 if (enter_left_hl_mode)
333 if (enter_low_hl_mode)
335 if (enter_right_hl_mode)
337 if (enter_top_hl_mode)
339 if (enter_vertical_hl_mode)
340 attrs |= WA_VERTICAL;
347 NCURSES_EXPORT(attr_t)
350 return NCURSES_SP_NAME(term_attrs) (CURRENT_SCREEN);