84823cc708
Improvements and changes to integrate bsddialog(1) with scripts in BASE. Overview: * New options. --and-widget, --keep-tite, --calendar. * Change output format. Menus and --print-maxsize. * Redefine sizing. Fixed rows, cols and menurows became at the most. * Add DIAGNOSTICS. Error messages for bad arguments and options. * Add keys. Space for --menu, fast keys for --msgbox and --yesno. * Text. Change default text modification, add --cr-wrap. See /usr/src/contrib/bsddialog/CHANGELOG '2022-09-24 Version 0.4' for more detailed information. Merge commit '9f24fda5a8e7ab8243e71473c7e2dc98b4877e64'
142 lines
3.4 KiB
C
142 lines
3.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2021-2022 Alfonso Sabato Siciliano
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <curses.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "bsddialog.h"
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#include "bsddialog_theme.h"
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#include "lib_util.h"
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#define COLSPERROW 10 /* Default conf.text.columns_per_row */
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int bsddialog_init_notheme(void)
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{
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int i, j, c, error;
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set_error_string("");
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if (initscr() == NULL)
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RETURN_ERROR("Cannot init curses (initscr)");
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error = OK;
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error += keypad(stdscr, TRUE);
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nl();
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error += cbreak();
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error += noecho();
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curs_set(0);
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if (error != OK) {
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bsddialog_end();
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RETURN_ERROR("Cannot init curses (keypad and cursor)");
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}
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c = 1;
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error += start_color();
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for (i = 0; i < 8; i++) {
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for (j = 0; j < 8; j++) {
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error += init_pair(c, i, j);
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c++;
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}
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}
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hastermcolors = (error == OK && has_colors()) ? true : false;
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return (BSDDIALOG_OK);
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}
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int bsddialog_init(void)
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{
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enum bsddialog_default_theme theme;
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bsddialog_init_notheme();
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if (bsddialog_hascolors())
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theme = BSDDIALOG_THEME_FLAT;
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else
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theme = BSDDIALOG_THEME_BLACKWHITE;
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if (bsddialog_set_default_theme(theme) != 0) {
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bsddialog_end();
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return (BSDDIALOG_ERROR);
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}
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return (BSDDIALOG_OK);
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}
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int bsddialog_end(void)
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{
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if (endwin() != OK)
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RETURN_ERROR("Cannot end curses (endwin)");
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return (BSDDIALOG_OK);
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}
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int bsddialog_backtitle(struct bsddialog_conf *conf, const char *backtitle)
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{
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move(0, 1);
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clrtoeol();
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addstr(backtitle);
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if (conf->no_lines != true)
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mvhline(1, 1, conf->ascii_lines ? '-' : ACS_HLINE,
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SCREENCOLS - 2);
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refresh();
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return (BSDDIALOG_OK);
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}
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const char *bsddialog_geterror(void)
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{
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return (get_error_string());
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}
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int bsddialog_initconf(struct bsddialog_conf *conf)
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{
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if (conf == NULL)
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RETURN_ERROR("conf is NULL");
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if (sizeof(*conf) != sizeof(struct bsddialog_conf))
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RETURN_ERROR("Bad conf size");
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memset(conf, 0, sizeof(struct bsddialog_conf));
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conf->y = BSDDIALOG_CENTER;
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conf->x = BSDDIALOG_CENTER;
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conf->shadow = true;
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conf->text.cols_per_row = COLSPERROW;
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return (BSDDIALOG_OK);
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}
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int bsddialog_clearterminal(void)
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{
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if (clear() != OK)
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RETURN_ERROR("Cannot clear the terminal");
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refresh();
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return (BSDDIALOG_OK);
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} |