diff options
Diffstat (limited to 'ncurses-5.2/ncurses/tty/lib_vidattr.c')
| -rw-r--r-- | ncurses-5.2/ncurses/tty/lib_vidattr.c | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/ncurses-5.2/ncurses/tty/lib_vidattr.c b/ncurses-5.2/ncurses/tty/lib_vidattr.c deleted file mode 100644 index 350a5dd..0000000 --- a/ncurses-5.2/ncurses/tty/lib_vidattr.c +++ /dev/null @@ -1,296 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. * - * * - * Permission is hereby granted, free of charge, to any person obtaining a * - * copy of this software and associated documentation files (the * - * "Software"), to deal in the Software without restriction, including * - * without limitation the rights to use, copy, modify, merge, publish, * - * distribute, distribute with modifications, sublicense, and/or sell * - * copies of the Software, and to permit persons to whom the Software is * - * furnished to do so, subject to the following conditions: * - * * - * The above copyright notice and this permission notice shall be included * - * in all copies or substantial portions of the Software. * - * * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * - * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * - * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - * * - * Except as contained in this notice, the name(s) of the above copyright * - * holders shall not be used in advertising or otherwise to promote the * - * sale, use or other dealings in this Software without prior written * - * authorization. * - ****************************************************************************/ - -/**************************************************************************** - * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * - * and: Eric S. Raymond <esr@snark.thyrsus.com> * - ****************************************************************************/ - -/* - * vidputs(newmode, outc) - * - * newmode is taken to be the logical 'or' of the symbols in curses.h - * representing graphic renditions. The terminal 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... - * - * NOTE that we cannot assume that there's no interaction between color - * and other attribute resets. So each time we reset color (or other - * attributes) we'll have to be prepared to restore the other. - */ - -#include <curses.priv.h> -#include <term.h> - -MODULE_ID("$Id$") - -#define doPut(mode) TPUTS_TRACE(#mode); tputs(mode, 1, outc) - -#define TurnOn(mask,mode) \ - if ((turn_on & mask) && mode) { doPut(mode); } - -#define TurnOff(mask,mode) \ - if ((turn_off & mask) && mode) { doPut(mode); turn_off &= ~mask; } - - /* if there is no current screen, assume we *can* do color */ -#define SetColorsIf(why,old_attr) \ - if (can_color && (why)) { \ - int old_pair = PAIR_NUMBER(old_attr); \ - TR(TRACE_ATTRS, ("old pair = %d -- new pair = %d", old_pair, pair)); \ - if ((pair != old_pair) \ - || (fix_pair0 && (pair == 0)) \ - || (reverse ^ ((old_attr & A_REVERSE) != 0))) { \ - _nc_do_color(old_pair, pair, reverse, outc); \ - } \ - } - -int -vidputs(attr_t newmode, int (*outc) (int)) -{ - static attr_t previous_attr = A_NORMAL; - attr_t turn_on, turn_off; - int pair; - bool reverse = FALSE; - bool used_ncv = FALSE; - bool can_color = (SP == 0 || SP->_coloron); -#if NCURSES_EXT_FUNCS - bool fix_pair0 = (SP != 0 && SP->_coloron && !SP->_default_color); -#else -#define fix_pair0 FALSE -#endif - - T((T_CALLED("vidputs(%s)"), _traceattr(newmode))); - - /* this allows us to go on whether or not newterm() has been called */ - if (SP) - previous_attr = SP->_current_attr; - - TR(TRACE_ATTRS, ("previous attribute was %s", _traceattr(previous_attr))); - -#if !USE_XMC_SUPPORT - if ((SP != 0) - && (magic_cookie_glitch > 0)) - newmode &= ~(SP->_xmc_suppress); -#endif - - /* - * If we have a terminal that cannot combine color with video - * attributes, use the colors in preference. - */ - if (((newmode & A_COLOR) != 0 - || fix_pair0) - && (no_color_video > 0)) { - /* - * If we had chosen the A_xxx definitions to correspond to the - * no_color_video mask, we could simply shift it up and mask off the - * attributes. But we did not (actually copied Solaris' definitions). - * However, this is still simpler/faster than a lookup table. - * - * The 63 corresponds to A_STANDOUT, A_UNDERLINE, A_REVERSE, A_BLINK, - * A_DIM, A_BOLD which are 1:1 with no_color_video. The bits that - * correspond to A_INVIS, A_PROTECT (192) must be shifted up 1 and - * A_ALTCHARSET (256) down 2 to line up. We use the NCURSES_BITS - * macro so this will work properly for the wide-character layout. - */ - attr_t mask = NCURSES_BITS((no_color_video & 63) - | ((no_color_video & 192) << 1) - | ((no_color_video & 256) >> 2), 8); - - if (mask & A_REVERSE && newmode & A_REVERSE) { - reverse = TRUE; - mask &= ~A_REVERSE; - } - newmode &= ~mask; - } - - if (newmode == previous_attr) - returnCode(OK); - - pair = PAIR_NUMBER(newmode); - - if (reverse) { - newmode &= ~A_REVERSE; - } - - turn_off = (~newmode & previous_attr) & ALL_BUT_COLOR; - turn_on = (newmode & ~previous_attr) & ALL_BUT_COLOR; - - SetColorsIf(((pair == 0) && !fix_pair0), previous_attr); - - if (newmode == A_NORMAL) { - if ((previous_attr & A_ALTCHARSET) && exit_alt_charset_mode) { - doPut(exit_alt_charset_mode); - previous_attr &= ~A_ALTCHARSET; - } - if (previous_attr) { - if (exit_attribute_mode) { - doPut(exit_attribute_mode); - } else { - if (!SP || SP->_use_rmul) { - TurnOff(A_UNDERLINE, exit_underline_mode); - } - if (!SP || SP->_use_rmso) { - TurnOff(A_STANDOUT, exit_standout_mode); - } - } - previous_attr &= ~A_COLOR; - } - - SetColorsIf((pair != 0) || fix_pair0, previous_attr); - } else if (set_attributes && !used_ncv) { - 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); - previous_attr &= ~A_COLOR; - } - SetColorsIf((pair != 0) || fix_pair0, previous_attr); - } else { - - TR(TRACE_ATTRS, ("turning %s off", _traceattr(turn_off))); - - TurnOff(A_ALTCHARSET, exit_alt_charset_mode); - - if (!SP || SP->_use_rmul) { - TurnOff(A_UNDERLINE, exit_underline_mode); - } - - if (!SP || SP->_use_rmso) { - TurnOff(A_STANDOUT, exit_standout_mode); - } - - if (turn_off && exit_attribute_mode) { - doPut(exit_attribute_mode); - turn_on |= (newmode & (chtype) (~A_COLOR)); - previous_attr &= ~A_COLOR; - } - SetColorsIf((pair != 0) || fix_pair0, previous_attr); - - TR(TRACE_ATTRS, ("turning %s on", _traceattr(turn_on))); - /* *INDENT-OFF* */ - TurnOn(A_ALTCHARSET, enter_alt_charset_mode); - TurnOn(A_BLINK, enter_blink_mode); - TurnOn(A_BOLD, enter_bold_mode); - TurnOn(A_DIM, enter_dim_mode); - TurnOn(A_REVERSE, enter_reverse_mode); - TurnOn(A_STANDOUT, enter_standout_mode); - TurnOn(A_PROTECT, enter_protected_mode); - TurnOn(A_INVIS, enter_secure_mode); - TurnOn(A_UNDERLINE, enter_underline_mode); - TurnOn(A_HORIZONTAL, enter_horizontal_hl_mode); - TurnOn(A_LEFT, enter_left_hl_mode); - TurnOn(A_LOW, enter_low_hl_mode); - TurnOn(A_RIGHT, enter_right_hl_mode); - TurnOn(A_TOP, enter_top_hl_mode); - TurnOn(A_VERTICAL, enter_vertical_hl_mode); - /* *INDENT-ON* */ - - } - - if (reverse) - newmode |= A_REVERSE; - - if (SP) - SP->_current_attr = newmode; - else - previous_attr = newmode; - - returnCode(OK); -} - -int -vidattr(attr_t newmode) -{ - T((T_CALLED("vidattr(%s)"), _traceattr(newmode))); - - returnCode(vidputs(newmode, _nc_outch)); -} - -chtype -termattrs(void) -{ - chtype attrs = A_NORMAL; - - T((T_CALLED("termattrs()"))); - 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; - - returnChar(attrs); -} |