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minix/lib/libcurses/attributes.c
Ben Gras 51ffecc181 import elf-only -lcurses 
. abandons mixer, gomoku, talk, talkd, top from base system
	. compile top with clang so no ack-compiled program
	  needs -lcurses any more
2011-07-25 11:08:17 +02:00

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/* $NetBSD: attributes.c,v 1.21 2010/12/25 10:08:20 blymn Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Julian Coleman.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: attributes.c,v 1.21 2010/12/25 10:08:20 blymn Exp $");
#endif /* not lint */
#include "curses.h"
#include "curses_private.h"
void __wcolor_set(WINDOW *, attr_t);
#ifndef _CURSES_USE_MACROS
/*
* attr_get --
* Get wide attributes and color pair from stdscr
*/
/* ARGSUSED */
int
attr_get(attr_t *attr, short *pair, void *opt)
{
return wattr_get(stdscr, attr, pair, opt);
}
/*
* attr_on --
* Test and set wide attributes on stdscr
*/
/* ARGSUSED */
int
attr_on(attr_t attr, void *opt)
{
return wattr_on(stdscr, attr, opt);
}
/*
* attr_off --
* Test and unset wide attributes on stdscr
*/
/* ARGSUSED */
int
attr_off(attr_t attr, void *opt)
{
return wattr_off(stdscr, attr, opt);
}
/*
* attr_set --
* Set wide attributes and color pair on stdscr
*/
/* ARGSUSED */
int
attr_set(attr_t attr, short pair, void *opt)
{
return wattr_set(stdscr, attr, pair, opt);
}
/*
* color_set --
* Set color pair on stdscr
*/
/* ARGSUSED */
int
color_set(short pair, void *opt)
{
return wcolor_set(stdscr, pair, opt);
}
/*
* attron --
* Test and set attributes on stdscr
*/
int
attron(int attr)
{
return wattr_on(stdscr, (attr_t) attr, NULL);
}
/*
* attroff --
* Test and unset attributes on stdscr.
*/
int
attroff(int attr)
{
return wattr_off(stdscr, (attr_t) attr, NULL);
}
/*
* attrset --
* Set specific attribute modes.
* Unset others. On stdscr.
*/
int
attrset(int attr)
{
return wattrset(stdscr, attr);
}
#endif /* _CURSES_USE_MACROS */
/*
* wattr_get --
* Get wide attributes and colour pair from window
* Note that attributes also includes colour.
*/
/* ARGSUSED */
int
wattr_get(WINDOW *win, attr_t *attr, short *pair, void *opt)
{
#ifdef DEBUG
__CTRACE(__CTRACE_ATTR, "wattr_get: win %p\n", win);
#endif
if (attr != NULL) {
*attr = win->wattr;
#ifdef HAVE_WCHAR
*attr &= WA_ATTRIBUTES;
#endif
}
if (pair != NULL)
*pair = PAIR_NUMBER(win->wattr);
return OK;
}
/*
* wattr_on --
* Test and set wide attributes on window
*/
/* ARGSUSED */
int
wattr_on(WINDOW *win, attr_t attr, void *opt)
{
#ifdef DEBUG
__CTRACE(__CTRACE_ATTR, "wattr_on: win %p, attr %08x\n", win, attr);
#endif
/* If can enter modes, set the relevent attribute bits. */
if (exit_attribute_mode != NULL) {
if (attr & __BLINK && enter_blink_mode != NULL)
win->wattr |= __BLINK;
if (attr & __BOLD && enter_bold_mode != NULL)
win->wattr |= __BOLD;
if (attr & __DIM && enter_dim_mode != NULL)
win->wattr |= __DIM;
if (attr & __BLANK && enter_secure_mode != NULL)
win->wattr |= __BLANK;
if (attr & __PROTECT && enter_protected_mode != NULL)
win->wattr |= __PROTECT;
if (attr & __REVERSE && enter_reverse_mode != NULL)
win->wattr |= __REVERSE;
#ifdef HAVE_WCHAR
if (attr & WA_LOW && enter_low_hl_mode != NULL)
win->wattr |= WA_LOW;
if (attr & WA_TOP && enter_top_hl_mode != NULL)
win->wattr |= WA_TOP;
if (attr & WA_LEFT && enter_left_hl_mode != NULL)
win->wattr |= WA_LEFT;
if (attr & WA_RIGHT && enter_right_hl_mode != NULL)
win->wattr |= WA_RIGHT;
if (attr & WA_HORIZONTAL && enter_horizontal_hl_mode != NULL)
win->wattr |= WA_HORIZONTAL;
if (attr & WA_VERTICAL && enter_vertical_hl_mode != NULL)
win->wattr |= WA_VERTICAL;
#endif /* HAVE_WCHAR */
}
if (attr & __STANDOUT && enter_standout_mode != NULL && exit_standout_mode != NULL)
wstandout(win);
if (attr & __UNDERSCORE && enter_underline_mode != NULL && exit_underline_mode != NULL)
wunderscore(win);
if ((attr_t) attr & __COLOR)
__wcolor_set(win, (attr_t) attr);
return OK;
}
/*
* wattr_off --
* Test and unset wide attributes on window
*
* Note that the 'me' sequence unsets all attributes. We handle
* which attributes should really be set in refresh.c:makech().
*/
/* ARGSUSED */
int
wattr_off(WINDOW *win, attr_t attr, void *opt)
{
#ifdef DEBUG
__CTRACE(__CTRACE_ATTR, "wattr_off: win %p, attr %08x\n", win, attr);
#endif
/* If can do exit modes, unset the relevent attribute bits. */
if (exit_attribute_mode != NULL) {
if (attr & __BLINK)
win->wattr &= ~__BLINK;
if (attr & __BOLD)
win->wattr &= ~__BOLD;
if (attr & __DIM)
win->wattr &= ~__DIM;
if (attr & __BLANK)
win->wattr &= ~__BLANK;
if (attr & __PROTECT)
win->wattr &= ~__PROTECT;
if (attr & __REVERSE)
win->wattr &= ~__REVERSE;
#ifdef HAVE_WCHAR
if (attr & WA_LOW)
win->wattr &= ~WA_LOW;
if (attr & WA_TOP)
win->wattr &= ~WA_TOP;
if (attr & WA_LEFT)
win->wattr &= ~WA_LEFT;
if (attr & WA_RIGHT)
win->wattr &= ~WA_RIGHT;
if (attr & WA_HORIZONTAL)
win->wattr &= ~WA_HORIZONTAL;
if (attr & WA_VERTICAL)
win->wattr &= ~WA_VERTICAL;
#endif /* HAVE_WCHAR */
}
if (attr & __STANDOUT)
wstandend(win);
if (attr & __UNDERSCORE)
wunderend(win);
if ((attr_t) attr & __COLOR) {
if (max_colors != 0)
win->wattr &= ~__COLOR;
}
return OK;
}
/*
* wattr_set --
* Set wide attributes and color pair on window
*/
int
wattr_set(WINDOW *win, attr_t attr, short pair, void *opt)
{
#ifdef DEBUG
__CTRACE(__CTRACE_ATTR, "wattr_set: win %p, attr %08x, pair %d\n",
win, attr, pair);
#endif
wattr_off(win, __ATTRIBUTES, opt);
/*
* This overwrites any colour setting from the attributes
* and is compatible with ncurses.
*/
attr = (attr & ~__COLOR) | COLOR_PAIR(pair);
wattr_on(win, attr, opt);
return OK;
}
/*
* wattron --
* Test and set attributes.
*/
int
wattron(WINDOW *win, int attr)
{
#ifdef DEBUG
__CTRACE(__CTRACE_ATTR, "wattron: win %p, attr %08x\n", win, attr);
#endif
return wattr_on(win, (attr_t) attr, NULL);
}
/*
* wattroff --
* Test and unset attributes.
*/
int
wattroff(WINDOW *win, int attr)
{
#ifdef DEBUG
__CTRACE(__CTRACE_ATTR, "wattroff: win %p, attr %08x\n", win, attr);
#endif
return wattr_off(win, (attr_t) attr, NULL);
}
/*
* wattrset --
* Set specific attribute modes.
* Unset others.
*/
int
wattrset(WINDOW *win, int attr)
{
#ifdef DEBUG
__CTRACE(__CTRACE_ATTR, "wattrset: win %p, attr %08x\n", win, attr);
#endif
wattr_off(win, __ATTRIBUTES, NULL);
wattr_on(win, (attr_t) attr, NULL);
return OK;
}
/*
* wcolor_set --
* Set color pair on window
*/
/* ARGSUSED */
int
wcolor_set(WINDOW *win, short pair, void *opt)
{
#ifdef DEBUG
__CTRACE(__CTRACE_COLOR, "wolor_set: win %p, pair %d\n", win, pair);
#endif
__wcolor_set(win, (attr_t) COLOR_PAIR(pair));
return OK;
}
/*
* getattrs --
* Get window attributes.
*/
chtype
getattrs(WINDOW *win)
{
#ifdef DEBUG
__CTRACE(__CTRACE_ATTR, "getattrs: win %p\n", win);
#endif
return((chtype) win->wattr);
}
/*
* termattrs --
* Get terminal attributes
*/
chtype
termattrs(void)
{
chtype ch = 0;
#ifdef DEBUG
__CTRACE(__CTRACE_ATTR, "termattrs\n");
#endif
if (exit_attribute_mode != NULL) {
#ifdef DEBUG
__CTRACE(__CTRACE_ATTR, "termattrs: have exit attribute mode\n");
#endif
if (enter_blink_mode != NULL)
ch |= __BLINK;
if (enter_bold_mode != NULL)
ch |= __BOLD;
if (enter_dim_mode != NULL)
ch |= __DIM;
if (enter_secure_mode != NULL)
ch |= __BLANK;
if (enter_protected_mode != NULL)
ch |= __PROTECT;
if (enter_reverse_mode != NULL)
ch |= __REVERSE;
}
if (enter_standout_mode != NULL && exit_standout_mode != NULL)
ch |= __STANDOUT;
if (enter_underline_mode != NULL && exit_underline_mode != NULL)
ch |= __UNDERSCORE;
if (enter_alt_charset_mode != NULL && exit_alt_charset_mode != NULL)
ch |= __ALTCHARSET;
return ch;
}
/*
* term_attrs --
* Get terminal wide attributes
*/
attr_t
term_attrs(void)
{
attr_t attr = 0;
#ifdef DEBUG
__CTRACE(__CTRACE_ATTR, "term_attrs\n");
#endif
if (exit_attribute_mode != NULL) {
if (enter_blink_mode != NULL)
attr |= __BLINK;
if (enter_bold_mode != NULL)
attr |= __BOLD;
if (enter_dim_mode != NULL)
attr |= __DIM;
if (enter_secure_mode != NULL)
attr |= __BLANK;
if (enter_protected_mode != NULL)
attr |= __PROTECT;
if (enter_reverse_mode != NULL)
attr |= __REVERSE;
#ifdef HAVE_WCHAR
if (enter_low_hl_mode != NULL)
attr |= WA_LOW;
if (enter_top_hl_mode != NULL)
attr |= WA_TOP;
if (enter_left_hl_mode != NULL)
attr |= WA_LEFT;
if (enter_right_hl_mode != NULL)
attr |= WA_RIGHT;
if (enter_horizontal_hl_mode != NULL)
attr |= WA_HORIZONTAL;
if (enter_vertical_hl_mode != NULL)
attr |= WA_VERTICAL;
#endif /* HAVE_WCHAR */
}
if (enter_standout_mode != NULL && exit_standout_mode != NULL)
attr |= __STANDOUT;
if (enter_underline_mode != NULL && exit_underline_mode != NULL)
attr |= __UNDERSCORE;
if (enter_alt_charset_mode != NULL && exit_alt_charset_mode != NULL)
attr |= __ALTCHARSET;
return attr;
}
/*
* __wcolor_set --
* Set color attribute on window
*/
void
__wcolor_set(WINDOW *win, attr_t attr)
{
/* If another color pair is set, turn that off first. */
win->wattr &= ~__COLOR;
/* If can do color video, set the color pair bits. */
if (max_colors != 0 && attr & __COLOR)
win->wattr |= attr & __COLOR;
}
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