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/*-
* 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 <sys/param.h>
#ifdef PORTNCURSES
#include <ncurses/ncurses.h>
#else
#include <ncurses.h>
#endif
#include "bsddialog.h"
#include "lib_util.h"
#include "bsddialog_theme.h"
/* "Info": infobox */
#define MIN_HEIGHT 3
extern struct bsddialog_theme t;
static int
infobox_autosize(struct bsddialog_conf *conf, int rows, int cols, int *h, int *w,
char *text)
{
int maxword, maxline, nlines;
if (get_text_properties(conf, text, &maxword, &maxline, &nlines) != 0)
return BSDDIALOG_ERROR;
if (cols == BSDDIALOG_AUTOSIZE) {
/* text size */
*w = maxline + VBORDERS + t.text.hmargin * 2;
/* conf.auto_minwidth */
*w = MAX(*w, (int)conf->auto_minwidth);
/* avoid terminal overflow */
*w = MIN(*w, widget_max_width(conf));
}
if (rows == BSDDIALOG_AUTOSIZE) {
*h = MIN_HEIGHT - 1;
if (maxword > 0)
*h += MIN(nlines, (int)(*w / GET_ASPECT_RATIO(conf)));
*h = MAX(*h, MIN_HEIGHT);
/* conf.auto_minheight */
*h = MAX(*h, (int)conf->auto_minheight);
/* avoid terminal overflow */
*h = MIN(*h, widget_max_height(conf));
}
return 0;
}
static int infobox_checksize(int rows, int cols)
{
if (cols < HBORDERS + 1 + (int) t.text.hmargin * 2)
RETURN_ERROR("Few cols, infobox needs at least width 3 + text "\
"margins");
if (rows < 3)
RETURN_ERROR("Infobox needs at least height 3");
return 0;
}
int
bsddialog_infobox(struct bsddialog_conf *conf, char* text, int rows, int cols)
{
WINDOW *shadow, *widget, *textpad;
int y, x, h, w, htextpad;
if (set_widget_size(conf, rows, cols, &h, &w) != 0)
return BSDDIALOG_ERROR;
if (infobox_autosize(conf, rows, cols, &h, &w, text) != 0)
return BSDDIALOG_ERROR;
if (infobox_checksize(h, w) != 0)
return BSDDIALOG_ERROR;
if (set_widget_position(conf, &y, &x, h, w) != 0)
return BSDDIALOG_ERROR;
if (new_widget_withtextpad(conf, &shadow, &widget, y, x, h, w, RAISED,
&textpad, &htextpad, text, false) != 0)
return BSDDIALOG_ERROR;
pnoutrefresh(textpad, 0, 0, y+1, x+1+t.text.hmargin, y+h-2, x+w-t.text.hmargin);
doupdate();
end_widget_withtextpad(conf, widget, h, w, textpad, shadow);
return (BSDDIALOG_OK);
}
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