diff options
Diffstat (limited to 'ncurses-5.9/ncurses/widechar/lib_vid_attr.c')
| -rw-r--r-- | ncurses-5.9/ncurses/widechar/lib_vid_attr.c | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/ncurses-5.9/ncurses/widechar/lib_vid_attr.c b/ncurses-5.9/ncurses/widechar/lib_vid_attr.c new file mode 100644 index 0000000..7669214 --- /dev/null +++ b/ncurses-5.9/ncurses/widechar/lib_vid_attr.c @@ -0,0 +1,327 @@ +/**************************************************************************** + * Copyright (c) 2002-2009,2010 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: Thomas E. Dickey * + ****************************************************************************/ + +#include <curses.priv.h> + +#ifndef CUR +#define CUR SP_TERMTYPE +#endif + +MODULE_ID("$Id$") + +#define doPut(mode) TPUTS_TRACE(#mode); NCURSES_SP_NAME(tputs)(NCURSES_SP_ARGx 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, old_pair) \ + if (can_color && (why)) { \ + 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))) { \ + NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_ARGx \ + old_pair, pair, \ + reverse, outc); \ + } \ + } + +#define set_color(mode, pair) \ + mode &= ALL_BUT_COLOR; \ + mode |= (attr_t) ColorPair(pair) + +NCURSES_EXPORT(int) +NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx + attr_t newmode, + short pair, + void *opts GCC_UNUSED, + NCURSES_SP_OUTC outc) +{ +#if NCURSES_EXT_COLORS + static attr_t previous_attr = A_NORMAL; + static int previous_pair = 0; + + attr_t turn_on, turn_off; + bool reverse = FALSE; + bool can_color = (SP_PARM == 0 || SP_PARM->_coloron); +#if NCURSES_EXT_FUNCS + bool fix_pair0 = (SP_PARM != 0 && SP_PARM->_coloron && !SP_PARM->_default_color); +#else +#define fix_pair0 FALSE +#endif + + newmode &= A_ATTRIBUTES; + T((T_CALLED("vid_puts(%s,%d)"), _traceattr(newmode), pair)); + + /* this allows us to go on whether or not newterm() has been called */ + if (SP_PARM) { + previous_attr = AttrOf(SCREEN_ATTRS(SP_PARM)); + previous_pair = GetPair(SCREEN_ATTRS(SP_PARM)); + } + + TR(TRACE_ATTRS, ("previous attribute was %s, %d", + _traceattr(previous_attr), previous_pair)); + +#if !USE_XMC_SUPPORT + if ((SP_PARM != 0) + && (magic_cookie_glitch > 0)) + newmode &= ~(SP_PARM->_xmc_suppress); +#endif + + /* + * If we have a terminal that cannot combine color with video + * attributes, use the colors in preference. + */ + if ((pair != 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. + */ + unsigned value = no_color_video; + attr_t mask = NCURSES_BITS((value & 63) + | ((value & 192) << 1) + | ((value & 256) >> 2), 8); + + if ((mask & A_REVERSE) != 0 + && (newmode & A_REVERSE) != 0) { + reverse = TRUE; + mask &= ~A_REVERSE; + } + newmode &= ~mask; + } + + if (newmode == previous_attr + && pair == previous_pair) + returnCode(OK); + + 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, previous_pair); + + 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_PARM || SP_PARM->_use_rmul) { + TurnOff(A_UNDERLINE, exit_underline_mode); + } + if (!SP_PARM || SP_PARM->_use_rmso) { + TurnOff(A_STANDOUT, exit_standout_mode); + } + } + previous_attr &= ALL_BUT_COLOR; + previous_pair = 0; + } + + SetColorsIf((pair != 0) || fix_pair0, previous_attr, previous_pair); + } else if (set_attributes) { + if (turn_on || turn_off) { + TPUTS_TRACE("set_attributes"); + NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx + TPARM_9(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 &= ALL_BUT_COLOR; + previous_pair = 0; + } + SetColorsIf((pair != 0) || fix_pair0, previous_attr, previous_pair); + } else { + + TR(TRACE_ATTRS, ("turning %s off", _traceattr(turn_off))); + + TurnOff(A_ALTCHARSET, exit_alt_charset_mode); + + if (!SP_PARM || SP_PARM->_use_rmul) { + TurnOff(A_UNDERLINE, exit_underline_mode); + } + + if (!SP_PARM || SP_PARM->_use_rmso) { + TurnOff(A_STANDOUT, exit_standout_mode); + } + + if (turn_off && exit_attribute_mode) { + doPut(exit_attribute_mode); + turn_on |= (newmode & ALL_BUT_COLOR); + previous_attr &= ALL_BUT_COLOR; + previous_pair = 0; + } + SetColorsIf((pair != 0) || fix_pair0, previous_attr, previous_pair); + + 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); +#if USE_WIDEC_SUPPORT + 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); +#endif + /* *INDENT-ON* */ + + } + + if (reverse) + newmode |= A_REVERSE; + + if (SP_PARM) { + SetAttr(SCREEN_ATTRS(SP_PARM), newmode); + SetPair(SCREEN_ATTRS(SP_PARM), pair); + } else { + previous_attr = newmode; + previous_pair = pair; + } + + returnCode(OK); +#else + T((T_CALLED("vid_puts(%s,%d)"), _traceattr(newmode), pair)); + set_color(newmode, pair); + returnCode(NCURSES_SP_NAME(vidputs) (NCURSES_SP_ARGx newmode, outc)); +#endif +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +vid_puts(attr_t newmode, + short pair, + void *opts GCC_UNUSED, + NCURSES_OUTC outc) +{ + SetSafeOutcWrapper(outc); + return NCURSES_SP_NAME(vid_puts) (CURRENT_SCREEN, + newmode, + pair, + opts, + _nc_outc_wrapper); +} +#endif + +#undef vid_attr +NCURSES_EXPORT(int) +NCURSES_SP_NAME(vid_attr) (NCURSES_SP_DCLx + attr_t newmode, + short pair, + void *opts) +{ + T((T_CALLED("vid_attr(%s,%d)"), _traceattr(newmode), pair)); + returnCode(NCURSES_SP_NAME(vid_puts) (NCURSES_SP_ARGx + newmode, + pair, + opts, + NCURSES_SP_NAME(_nc_outch))); +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +vid_attr(attr_t newmode, short pair, void *opts) +{ + return NCURSES_SP_NAME(vid_attr) (CURRENT_SCREEN, newmode, pair, opts); +} +#endif + +/* + * This implementation uses the same mask values for A_xxx and WA_xxx, so + * we can use termattrs() for part of the logic. + */ +NCURSES_EXPORT(attr_t) +NCURSES_SP_NAME(term_attrs) (NCURSES_SP_DCL0) +{ + attr_t attrs; + + T((T_CALLED("term_attrs()"))); + attrs = SP_PARM ? NCURSES_SP_NAME(termattrs) (NCURSES_SP_ARG) : 0; + + /* these are only supported for wide-character mode */ + if (enter_horizontal_hl_mode) + attrs |= WA_HORIZONTAL; + if (enter_left_hl_mode) + attrs |= WA_LEFT; + if (enter_low_hl_mode) + attrs |= WA_LOW; + if (enter_right_hl_mode) + attrs |= WA_RIGHT; + if (enter_top_hl_mode) + attrs |= WA_TOP; + if (enter_vertical_hl_mode) + attrs |= WA_VERTICAL; + + returnAttr(attrs); +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(attr_t) +term_attrs(void) +{ + return NCURSES_SP_NAME(term_attrs) (CURRENT_SCREEN); +} +#endif |