c76f07938c
git-subtree-dir: contrib/bsddialog git-subtree-mainline: a46722b580567799b484b5a81728eaf380777e04 git-subtree-split: 857c66bb5f3c5651b012beb1b5ea6ba39354ea94
115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2021 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 <sys/param.h>
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#ifdef PORTNCURSES
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#include <ncurses/curses.h>
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#else
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#include <curses.h>
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#endif
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#include "bsddialog.h"
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#include "lib_util.h"
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#include "bsddialog_theme.h"
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/* "Info": infobox */
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#define MIN_HEIGHT 3
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extern struct bsddialog_theme t;
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static int
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infobox_autosize(struct bsddialog_conf conf, int rows, int cols, int *h, int *w,
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char *text)
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{
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int maxword, maxline, nlines;
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if (get_text_properties(conf, text, &maxword, &maxline, &nlines) != 0)
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return BSDDIALOG_ERROR;
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if (cols == BSDDIALOG_AUTOSIZE) {
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/* text size */
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*w = maxline + VBORDERS + t.texthmargin * 2;
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/* avoid terminal overflow */
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*w = MIN(*w, widget_max_width(conf));
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}
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if (rows == BSDDIALOG_AUTOSIZE) {
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*h = MIN_HEIGHT - 1;
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if (maxword > 0)
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*h += MIN(nlines, (*w / GET_ASPECT_RATIO(conf)));
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*h = MAX(*h, MIN_HEIGHT);
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/* avoid terminal overflow */
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*h = MIN(*h, widget_max_height(conf));
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}
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return 0;
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}
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static int infobox_checksize(int rows, int cols)
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{
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if (cols < HBORDERS + 1 + (int) t.texthmargin * 2)
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RETURN_ERROR("Few cols, infobox needs at least width 3 + text "\
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"margins");
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if (rows < 3)
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RETURN_ERROR("Infobox needs at least height 3");
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return 0;
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}
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int
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bsddialog_infobox(struct bsddialog_conf conf, char* text, int rows, int cols)
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{
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WINDOW *shadow, *widget, *textpad;
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int y, x, h, w, htextpad;
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if (set_widget_size(conf, rows, cols, &h, &w) != 0)
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return BSDDIALOG_ERROR;
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if (infobox_autosize(conf, rows, cols, &h, &w, text) != 0)
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return BSDDIALOG_ERROR;
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if (infobox_checksize(h, w) != 0)
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return BSDDIALOG_ERROR;
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if (set_widget_position(conf, &y, &x, h, w) != 0)
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return BSDDIALOG_ERROR;
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if (new_widget_withtextpad(conf, &shadow, &widget, y, x, h, w, RAISED,
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&textpad, &htextpad, text, false) != 0)
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return BSDDIALOG_ERROR;
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pnoutrefresh(textpad, 0, 0, y+1, x+1+t.texthmargin, y+h-2, x+w-t.texthmargin);
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doupdate();
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end_widget_withtextpad(conf, widget, h, w, textpad, shadow);
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return (BSDDIALOG_YESOK);
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}
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