freebsd-nq/contrib/bsddialog/lib/libbsddialog.c
Baptiste Daroussin c76f07938c Add 'contrib/bsddialog/' from commit '857c66bb5f3c5651b012beb1b5ea6ba39354ea94'
git-subtree-dir: contrib/bsddialog
git-subtree-mainline: a46722b580567799b484b5a81728eaf380777e04
git-subtree-split: 857c66bb5f3c5651b012beb1b5ea6ba39354ea94
2021-11-24 11:03:17 +01:00

143 lines
3.6 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021 Alfonso Sabato Siciliano
*
* 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 AUTHOR 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 AUTHOR 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 <stdlib.h>
#include <string.h>
#include <unistd.h>
#ifdef PORTNCURSES
#include <ncurses/curses.h>
#else
#include <curses.h>
#endif
#include "bsddialog.h"
#include "lib_util.h"
#include "bsddialog_theme.h"
/*
* This file implements some public function not related to a specific widget.
* utils.h/c provides private functions to implement the library.
* theme.h/c is public API related to theme.
* Widgets implementation:
* infobox.c infobox
* messgebox.c msgbox - yesno
* menubox.c buildlist - checklist - menu - mixedlist - radiolist - treeview
* formbox.c inputbox - passwordbox - form - passwordform - mixedform
* editorbox.c editbox
* barbox.c gauge - mixedgauge - rangebox - pause
* timebox.c timebox - calendar
* commandbox.c prgbox - programbox - progressbox
* tailbox.c tailbox - tailboxbg - textbox
* filebox.c dselect - fselect
*/
extern struct bsddialog_theme t;
int bsddialog_init(void)
{
int i, j, c = 1, error = OK;
set_error_string("");
if(initscr() == NULL)
RETURN_ERROR("Cannot init ncurses (initscr)");
error += keypad(stdscr, TRUE);
nl();
error += cbreak();
error += noecho();
curs_set(0);
if(error != OK) {
bsddialog_end();
RETURN_ERROR("Cannot init ncurses (keypad and cursor)");
}
error += start_color();
for (i=0; i<8; i++)
for(j=0; j<8; j++) {
error += init_pair(c, i, j);
c++;
}
if(error != OK) {
bsddialog_end();
RETURN_ERROR("Cannot init ncurses (colors)");
}
if (bsddialog_set_default_theme(BSDDIALOG_THEME_DIALOG) != 0)
error = BSDDIALOG_ERROR;
return error;
}
int bsddialog_end(void)
{
if (endwin() != OK)
RETURN_ERROR("Cannot end ncurses (endwin)");
return 0;
}
int bsddialog_backtitle(struct bsddialog_conf conf, char *backtitle)
{
mvaddstr(0, 1, backtitle);
if (conf.no_lines != true)
mvhline(1, 1, conf.ascii_lines ? '-' : ACS_HLINE, COLS-2);
refresh();
return 0;
}
const char *bsddialog_geterror(void)
{
return get_error_string();
}
int bsddialog_terminalheight(void)
{
return LINES;
}
int bsddialog_terminalwidth(void)
{
return COLS;
}
void bsddialog_initconf(struct bsddialog_conf *conf)
{
memset(conf, 0, sizeof(struct bsddialog_conf));
conf->x = conf->y = BSDDIALOG_CENTER;
conf->shadow = true;
}