458 lines
10 KiB
C
458 lines
10 KiB
C
/* $NetBSD: attributes.c,v 1.23 2017/01/10 21:56:50 roy Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Julian Coleman.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: attributes.c,v 1.23 2017/01/10 21:56:50 roy Exp $");
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#endif /* not lint */
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#include "curses.h"
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#include "curses_private.h"
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void __wcolor_set(WINDOW *, attr_t);
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#ifndef _CURSES_USE_MACROS
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/*
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* attr_get --
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* Get wide attributes and color pair from stdscr
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*/
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/* ARGSUSED */
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int
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attr_get(attr_t *attr, short *pair, void *opt)
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{
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return wattr_get(stdscr, attr, pair, opt);
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}
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/*
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* attr_on --
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* Test and set wide attributes on stdscr
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*/
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/* ARGSUSED */
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int
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attr_on(attr_t attr, void *opt)
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{
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return wattr_on(stdscr, attr, opt);
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}
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/*
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* attr_off --
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* Test and unset wide attributes on stdscr
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*/
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/* ARGSUSED */
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int
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attr_off(attr_t attr, void *opt)
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{
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return wattr_off(stdscr, attr, opt);
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}
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/*
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* attr_set --
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* Set wide attributes and color pair on stdscr
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*/
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/* ARGSUSED */
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int
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attr_set(attr_t attr, short pair, void *opt)
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{
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return wattr_set(stdscr, attr, pair, opt);
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}
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/*
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* color_set --
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* Set color pair on stdscr
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*/
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/* ARGSUSED */
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int
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color_set(short pair, void *opt)
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{
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return wcolor_set(stdscr, pair, opt);
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}
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/*
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* attron --
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* Test and set attributes on stdscr
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*/
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int
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attron(int attr)
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{
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return wattr_on(stdscr, (attr_t) attr, NULL);
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}
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/*
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* attroff --
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* Test and unset attributes on stdscr.
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*/
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int
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attroff(int attr)
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{
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return wattr_off(stdscr, (attr_t) attr, NULL);
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}
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/*
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* attrset --
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* Set specific attribute modes.
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* Unset others. On stdscr.
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*/
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int
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attrset(int attr)
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{
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return wattrset(stdscr, attr);
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}
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#endif /* _CURSES_USE_MACROS */
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/*
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* wattr_get --
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* Get wide attributes and colour pair from window
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* Note that attributes also includes colour.
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*/
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/* ARGSUSED */
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int
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wattr_get(WINDOW *win, attr_t *attr, short *pair, void *opt)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "wattr_get: win %p\n", win);
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#endif
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if (attr != NULL) {
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*attr = win->wattr;
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#ifdef HAVE_WCHAR
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*attr &= WA_ATTRIBUTES;
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#endif
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}
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if (pair != NULL)
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*pair = PAIR_NUMBER(win->wattr);
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return OK;
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}
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/*
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* wattr_on --
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* Test and set wide attributes on window
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*/
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/* ARGSUSED */
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int
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wattr_on(WINDOW *win, attr_t attr, void *opt)
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{
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const TERMINAL *t = win->screen->term;
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "wattr_on: win %p, attr %08x\n", win, attr);
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#endif
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/* If can enter modes, set the relevent attribute bits. */
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if (t_exit_attribute_mode(t) != NULL) {
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if (attr & __BLINK && t_enter_blink_mode(t) != NULL)
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win->wattr |= __BLINK;
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if (attr & __BOLD && t_enter_bold_mode(t) != NULL)
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win->wattr |= __BOLD;
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if (attr & __DIM && t_enter_dim_mode(t) != NULL)
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win->wattr |= __DIM;
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if (attr & __BLANK && t_enter_secure_mode(t) != NULL)
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win->wattr |= __BLANK;
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if (attr & __PROTECT && t_enter_protected_mode(t) != NULL)
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win->wattr |= __PROTECT;
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if (attr & __REVERSE && t_enter_reverse_mode(t) != NULL)
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win->wattr |= __REVERSE;
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#ifdef HAVE_WCHAR
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if (attr & WA_LOW && t_enter_low_hl_mode(t) != NULL)
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win->wattr |= WA_LOW;
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if (attr & WA_TOP && t_enter_top_hl_mode(t) != NULL)
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win->wattr |= WA_TOP;
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if (attr & WA_LEFT && t_enter_left_hl_mode(t) != NULL)
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win->wattr |= WA_LEFT;
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if (attr & WA_RIGHT && t_enter_right_hl_mode(t) != NULL)
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win->wattr |= WA_RIGHT;
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if (attr & WA_HORIZONTAL && t_enter_horizontal_hl_mode(t) != NULL)
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win->wattr |= WA_HORIZONTAL;
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if (attr & WA_VERTICAL && t_enter_vertical_hl_mode(t) != NULL)
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win->wattr |= WA_VERTICAL;
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#endif /* HAVE_WCHAR */
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}
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if (attr & __STANDOUT && t_enter_standout_mode(t) != NULL &&
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t_exit_standout_mode(t) != NULL)
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wstandout(win);
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if (attr & __UNDERSCORE && t_enter_underline_mode(t) != NULL &&
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t_exit_underline_mode(t) != NULL)
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wunderscore(win);
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if ((attr_t) attr & __COLOR)
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__wcolor_set(win, (attr_t) attr);
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return OK;
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}
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/*
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* wattr_off --
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* Test and unset wide attributes on window
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*
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* Note that the 'me' sequence unsets all attributes. We handle
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* which attributes should really be set in refresh.c:makech().
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*/
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/* ARGSUSED */
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int
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wattr_off(WINDOW *win, attr_t attr, void *opt)
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{
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const TERMINAL *t = win->screen->term;
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "wattr_off: win %p, attr %08x\n", win, attr);
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#endif
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/* If can do exit modes, unset the relevent attribute bits. */
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if (t_exit_attribute_mode(t) != NULL) {
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if (attr & __BLINK)
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win->wattr &= ~__BLINK;
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if (attr & __BOLD)
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win->wattr &= ~__BOLD;
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if (attr & __DIM)
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win->wattr &= ~__DIM;
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if (attr & __BLANK)
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win->wattr &= ~__BLANK;
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if (attr & __PROTECT)
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win->wattr &= ~__PROTECT;
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if (attr & __REVERSE)
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win->wattr &= ~__REVERSE;
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#ifdef HAVE_WCHAR
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if (attr & WA_LOW)
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win->wattr &= ~WA_LOW;
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if (attr & WA_TOP)
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win->wattr &= ~WA_TOP;
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if (attr & WA_LEFT)
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win->wattr &= ~WA_LEFT;
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if (attr & WA_RIGHT)
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win->wattr &= ~WA_RIGHT;
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if (attr & WA_HORIZONTAL)
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win->wattr &= ~WA_HORIZONTAL;
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if (attr & WA_VERTICAL)
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win->wattr &= ~WA_VERTICAL;
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#endif /* HAVE_WCHAR */
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}
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if (attr & __STANDOUT)
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wstandend(win);
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if (attr & __UNDERSCORE)
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wunderend(win);
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if ((attr_t) attr & __COLOR) {
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if (max_colors != 0)
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win->wattr &= ~__COLOR;
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}
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return OK;
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}
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/*
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* wattr_set --
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* Set wide attributes and color pair on window
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*/
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int
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wattr_set(WINDOW *win, attr_t attr, short pair, void *opt)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "wattr_set: win %p, attr %08x, pair %d\n",
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win, attr, pair);
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#endif
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wattr_off(win, __ATTRIBUTES, opt);
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/*
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* This overwrites any colour setting from the attributes
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* and is compatible with ncurses.
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*/
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attr = (attr & ~__COLOR) | COLOR_PAIR(pair);
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wattr_on(win, attr, opt);
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return OK;
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}
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/*
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* wattron --
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* Test and set attributes.
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*/
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int
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wattron(WINDOW *win, int attr)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "wattron: win %p, attr %08x\n", win, attr);
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#endif
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return wattr_on(win, (attr_t) attr, NULL);
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}
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/*
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* wattroff --
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* Test and unset attributes.
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*/
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int
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wattroff(WINDOW *win, int attr)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "wattroff: win %p, attr %08x\n", win, attr);
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#endif
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return wattr_off(win, (attr_t) attr, NULL);
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}
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/*
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* wattrset --
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* Set specific attribute modes.
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* Unset others.
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*/
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int
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wattrset(WINDOW *win, int attr)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "wattrset: win %p, attr %08x\n", win, attr);
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#endif
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wattr_off(win, __ATTRIBUTES, NULL);
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wattr_on(win, (attr_t) attr, NULL);
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return OK;
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}
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/*
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* wcolor_set --
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* Set color pair on window
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*/
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/* ARGSUSED */
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int
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wcolor_set(WINDOW *win, short pair, void *opt)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_COLOR, "wolor_set: win %p, pair %d\n", win, pair);
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#endif
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__wcolor_set(win, (attr_t) COLOR_PAIR(pair));
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return OK;
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}
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/*
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* getattrs --
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* Get window attributes.
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*/
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chtype
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getattrs(WINDOW *win)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "getattrs: win %p\n", win);
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#endif
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return((chtype) win->wattr);
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}
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/*
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* termattrs --
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* Get terminal attributes
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*/
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chtype
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termattrs(void)
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{
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chtype ch = 0;
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "termattrs\n");
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#endif
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if (exit_attribute_mode != NULL) {
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "termattrs: have exit attribute mode\n");
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#endif
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if (enter_blink_mode != NULL)
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ch |= __BLINK;
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if (enter_bold_mode != NULL)
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ch |= __BOLD;
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if (enter_dim_mode != NULL)
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ch |= __DIM;
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if (enter_secure_mode != NULL)
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ch |= __BLANK;
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if (enter_protected_mode != NULL)
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ch |= __PROTECT;
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if (enter_reverse_mode != NULL)
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ch |= __REVERSE;
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}
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if (enter_standout_mode != NULL && exit_standout_mode != NULL)
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ch |= __STANDOUT;
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if (enter_underline_mode != NULL && exit_underline_mode != NULL)
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ch |= __UNDERSCORE;
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if (enter_alt_charset_mode != NULL && exit_alt_charset_mode != NULL)
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ch |= __ALTCHARSET;
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return ch;
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}
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/*
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* term_attrs --
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* Get terminal wide attributes
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*/
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attr_t
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term_attrs(void)
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{
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attr_t attr = 0;
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "term_attrs\n");
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#endif
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if (exit_attribute_mode != NULL) {
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if (enter_blink_mode != NULL)
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attr |= __BLINK;
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if (enter_bold_mode != NULL)
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attr |= __BOLD;
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if (enter_dim_mode != NULL)
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attr |= __DIM;
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if (enter_secure_mode != NULL)
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attr |= __BLANK;
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if (enter_protected_mode != NULL)
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attr |= __PROTECT;
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if (enter_reverse_mode != NULL)
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attr |= __REVERSE;
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#ifdef HAVE_WCHAR
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if (enter_low_hl_mode != NULL)
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attr |= WA_LOW;
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if (enter_top_hl_mode != NULL)
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attr |= WA_TOP;
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if (enter_left_hl_mode != NULL)
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attr |= WA_LEFT;
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if (enter_right_hl_mode != NULL)
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attr |= WA_RIGHT;
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if (enter_horizontal_hl_mode != NULL)
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attr |= WA_HORIZONTAL;
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if (enter_vertical_hl_mode != NULL)
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attr |= WA_VERTICAL;
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#endif /* HAVE_WCHAR */
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}
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if (enter_standout_mode != NULL && exit_standout_mode != NULL)
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attr |= __STANDOUT;
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if (enter_underline_mode != NULL && exit_underline_mode != NULL)
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attr |= __UNDERSCORE;
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if (enter_alt_charset_mode != NULL && exit_alt_charset_mode != NULL)
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attr |= __ALTCHARSET;
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return attr;
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}
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/*
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* __wcolor_set --
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* Set color attribute on window
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*/
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void
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__wcolor_set(WINDOW *win, attr_t attr)
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{
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const TERMINAL *t = win->screen->term;
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/* If another color pair is set, turn that off first. */
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win->wattr &= ~__COLOR;
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/* If can do color video, set the color pair bits. */
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if (t_max_colors(t) != 0 && attr & __COLOR)
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win->wattr |= attr & __COLOR;
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}
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