2021-12-21 16:13:00 +01:00

535 lines
14 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 <sys/param.h>
#include <ctype.h>
#ifdef PORTNCURSES
#include <ncurses/ncurses.h>
#else
#include <ncurses.h>
#endif
#include <string.h>
#include "bsddialog.h"
#include "lib_util.h"
#include "bsddialog_theme.h"
#define MINWDATE 25 /* 23 wins + 2 VBORDERS */
#define MINWTIME 16 /*14 wins + 2 VBORDERS */
#define MINHEIGHT 8 /* 2 for text */
/* "Time": timebox - datebox */
extern struct bsddialog_theme t;
static int
datetime_autosize(struct bsddialog_conf *conf, int rows, int cols, int *h,
int *w, int minw, char *text, struct buttons bs)
{
int maxword, maxline, nlines, line;
if (get_text_properties(conf, text, &maxword, &maxline, &nlines) != 0)
return BSDDIALOG_ERROR;
if (cols == BSDDIALOG_AUTOSIZE) {
*w = VBORDERS;
/* buttons size */
*w += bs.nbuttons * bs.sizebutton;
*w += bs.nbuttons > 0 ? (bs.nbuttons-1) * t.button.space : 0;
/* text size */
line = maxline + VBORDERS + t.text.hmargin * 2;
line = MAX(line, (int) (maxword + VBORDERS + t.text.hmargin * 2));
*w = MAX(*w, line);
/* date windows */
*w = MAX(*w, minw);
/* conf.auto_minwidth */
*w = MAX(*w, (int)conf->auto_minwidth);
/* avoid terminal overflow */
*w = MIN(*w, widget_max_width(conf) -1);
}
if (rows == BSDDIALOG_AUTOSIZE) {
*h = MINHEIGHT;
if (maxword > 0)
*h += MAX(nlines, (int)(*w / GET_ASPECT_RATIO(conf)));
/* conf.auto_minheight */
*h = MAX(*h, (int)conf->auto_minheight);
/* avoid terminal overflow */
*h = MIN(*h, widget_max_height(conf) -1);
}
return 0;
}
static int
datetime_checksize(int rows, int cols, char *text, int minw, struct buttons bs)
{
int mincols;
mincols = VBORDERS;
mincols += bs.nbuttons * bs.sizebutton;
mincols += bs.nbuttons > 0 ? (bs.nbuttons-1) * t.button.space : 0;
mincols = MAX(minw, mincols);
if (cols < mincols)
RETURN_ERROR("Few cols for this timebox/datebox");
if (rows < MINHEIGHT + (strlen(text) > 0 ? 1 : 0))
RETURN_ERROR("Few rows for this timebox/datebox");
return 0;
}
int bsddialog_timebox(struct bsddialog_conf *conf, char* text, int rows, int cols,
unsigned int *hh, unsigned int *mm, unsigned int *ss)
{
WINDOW *widget, *textpad, *shadow;
int i, input, output, y, x, h, w, sel, htextpad;
struct buttons bs;
bool loop;
struct myclockstruct {
unsigned int max;
unsigned int value;
WINDOW *win;
};
if (hh == NULL || mm == NULL || ss == NULL)
RETURN_ERROR("hh / mm / ss cannot be NULL");
struct myclockstruct c[3] = {
{23, *hh, NULL},
{59, *mm, NULL},
{59, *ss, NULL}
};
for (i = 0 ; i < 3; i++) {
if (c[i].value > c[i].max)
c[i].value = c[i].max;
}
get_buttons(conf, &bs, BUTTONLABEL(ok_label), BUTTONLABEL(extra_label),
BUTTONLABEL(cancel_label), BUTTONLABEL(help_label));
if (set_widget_size(conf, rows, cols, &h, &w) != 0)
return BSDDIALOG_ERROR;
if (datetime_autosize(conf, rows, cols, &h, &w, MINWTIME, text, bs) != 0)
return BSDDIALOG_ERROR;
if (datetime_checksize(h, w, text, MINWTIME, bs) != 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, true) != 0)
return BSDDIALOG_ERROR;
draw_buttons(widget, h-2, w, bs, true);
wrefresh(widget);
prefresh(textpad, 0, 0, y+1, x+2, y+h-7, x+w-2);
c[0].win = new_boxed_window(conf, y + h - 6, x + w/2 - 7, 3, 4, LOWERED);
mvwaddch(widget, h - 5, w/2 - 3, ':');
c[1].win = new_boxed_window(conf, y + h - 6, x + w/2 - 2, 3, 4, LOWERED);
mvwaddch(widget, h - 5, w/2 + 2, ':');
c[2].win = new_boxed_window(conf, y + h - 6, x + w/2 + 3, 3, 4, LOWERED);
wrefresh(widget);
sel = 0;
curs_set(2);
loop = true;
while(loop) {
for (i=0; i<3; i++) {
mvwprintw(c[i].win, 1, 1, "%2d", c[i].value);
wrefresh(c[i].win);
}
wmove(c[sel].win, 1, 2);
wrefresh(c[sel].win);
input = getch();
switch(input) {
case KEY_ENTER:
case 10: /* Enter */
output = bs.value[bs.curr];
if (output == BSDDIALOG_OK) {
*hh = c[0].value;
*mm = c[1].value;
*ss = c[2].value;
}
loop = false;
break;
case 27: /* Esc */
output = BSDDIALOG_ESC;
loop = false;
break;
case '\t': /* TAB */
sel = (sel + 1) % 3;
break;
case KEY_LEFT:
if (bs.curr > 0) {
bs.curr--;
draw_buttons(widget, h-2, w, bs, true);
wrefresh(widget);
}
break;
case KEY_RIGHT:
if (bs.curr < (int) bs.nbuttons - 1) {
bs.curr++;
draw_buttons(widget, h-2, w, bs, true);
wrefresh(widget);
}
break;
case KEY_UP:
c[sel].value = c[sel].value < c[sel].max ? c[sel].value + 1 : 0;
break;
case KEY_DOWN:
c[sel].value = c[sel].value > 0 ? c[sel].value - 1 : c[sel].max;
break;
case KEY_F(1):
if (conf->f1_file == NULL && conf->f1_message == NULL)
break;
curs_set(0);
if (f1help(conf) != 0)
return BSDDIALOG_ERROR;
curs_set(2);
/* No break! the terminal size can change */
case KEY_RESIZE:
hide_widget(y, x, h, w,conf->shadow);
/*
* Unnecessary, but, when the columns decrease the
* following "refresh" seem not work
*/
refresh();
if (set_widget_size(conf, rows, cols, &h, &w) != 0)
return BSDDIALOG_ERROR;
if (datetime_autosize(conf, rows, cols, &h, &w, MINWTIME, text, bs) != 0)
return BSDDIALOG_ERROR;
if (datetime_checksize(h, w, text, MINWTIME, bs) != 0)
return BSDDIALOG_ERROR;
if (set_widget_position(conf, &y, &x, h, w) != 0)
return BSDDIALOG_ERROR;
wclear(shadow);
mvwin(shadow, y + t.shadow.h, x + t.shadow.w);
wresize(shadow, h, w);
wclear(widget);
mvwin(widget, y, x);
wresize(widget, h, w);
htextpad = 1;
wclear(textpad);
wresize(textpad, 1, w - HBORDERS - t.text.hmargin * 2);
if(update_widget_withtextpad(conf, shadow, widget, h, w,
RAISED, textpad, &htextpad, text, true) != 0)
return BSDDIALOG_ERROR;
mvwaddch(widget, h - 5, w/2 - 3, ':');
mvwaddch(widget, h - 5, w/2 + 2, ':');
draw_buttons(widget, h-2, w, bs, true);
wrefresh(widget);
prefresh(textpad, 0, 0, y+1, x+2, y+h-7, x+w-2);
wclear(c[0].win);
mvwin(c[0].win, y + h - 6, x + w/2 - 7);
draw_borders(conf, c[0].win, 3, 4, LOWERED);
wrefresh(c[0].win);
wclear(c[1].win);
mvwin(c[1].win, y + h - 6, x + w/2 - 2);
draw_borders(conf, c[1].win, 3, 4, LOWERED);
wrefresh(c[1].win);
wclear(c[2].win);
mvwin(c[2].win, y + h - 6, x + w/2 + 3);
draw_borders(conf, c[2].win, 3, 4, LOWERED);
wrefresh(c[2].win);
/* Important to avoid grey lines expanding screen */
refresh();
break;
default:
for (i = 0; i < (int) bs.nbuttons; i++)
if (tolower(input) == tolower((bs.label[i])[0])) {
output = bs.value[i];
loop = false;
}
}
}
curs_set(0);
for (i=0; i<3; i++)
delwin(c[i].win);
end_widget_withtextpad(conf, widget, h, w, textpad, shadow);
return output;
}
int
bsddialog_datebox(struct bsddialog_conf *conf, char* text, int rows, int cols,
unsigned int *yy, unsigned int *mm, unsigned int *dd)
{
WINDOW *widget, *textpad, *shadow;
int i, input, output, y, x, h, w, sel, htextpad;
struct buttons bs;
bool loop;
struct calendar {
int max;
int value;
WINDOW *win;
unsigned int x;
};
struct month {
char *name;
unsigned int days;
};
if (yy == NULL || mm == NULL || dd == NULL)
RETURN_ERROR("yy / mm / dd cannot be NULL");
struct calendar c[3] = {
{9999, *yy, NULL, 4 },
{12, *mm, NULL, 9 },
{31, *dd, NULL, 2 }
};
struct month m[12] = {
{ "January", 31 }, { "February", 28 }, { "March", 31 },
{ "April", 30 }, { "May", 31 }, { "June", 30 },
{ "July", 31 }, { "August", 31 }, { "September", 30 },
{ "October", 31 }, { "November", 30 }, { "December", 31 }
};
#define ISLEAF(year) ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)
for (i = 0 ; i < 3; i++) {
if (c[i].value > c[i].max)
c[i].value = c[i].max;
if (c[i].value < 1)
c[i].value = 1;
}
c[2].max = m[c[1].value -1].days;
if (c[1].value == 2 && ISLEAF(c[0].value))
c[2].max = 29;
if (c[2].value > c[2].max)
c[2].value = c[2].max;
get_buttons(conf, &bs, BUTTONLABEL(ok_label), BUTTONLABEL(extra_label),
BUTTONLABEL(cancel_label), BUTTONLABEL(help_label));
if (set_widget_size(conf, rows, cols, &h, &w) != 0)
return BSDDIALOG_ERROR;
if (datetime_autosize(conf, rows, cols, &h, &w, MINWDATE, text, bs) != 0)
return BSDDIALOG_ERROR;
if (datetime_checksize(h, w, text, MINWDATE, bs) != 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, true) != 0)
return BSDDIALOG_ERROR;
draw_buttons(widget, h-2, w, bs, true);
wrefresh(widget);
prefresh(textpad, 0, 0, y+1, x+2, y+h-7, x+w-2);
c[0].win = new_boxed_window(conf, y + h - 6, x + w/2 - 11, 3, 6, LOWERED);
mvwaddch(widget, h - 5, w/2 - 5, '/');
c[1].win = new_boxed_window(conf, y + h - 6, x + w/2 - 4, 3, 11, LOWERED);
mvwaddch(widget, h - 5, w/2 + 7, '/');
c[2].win = new_boxed_window(conf, y + h - 6, x + w/2 + 8, 3, 4, LOWERED);
wrefresh(widget);
sel = 2;
curs_set(2);
loop = true;
while(loop) {
mvwprintw(c[0].win, 1, 1, "%4d", c[0].value);
mvwprintw(c[1].win, 1, 1, "%9s", m[c[1].value-1].name);
mvwprintw(c[2].win, 1, 1, "%2d", c[2].value);
for (i=0; i<3; i++) {
wrefresh(c[i].win);
}
wmove(c[sel].win, 1, c[sel].x);
wrefresh(c[sel].win);
input = getch();
switch(input) {
case KEY_ENTER:
case 10: /* Enter */
output = bs.value[bs.curr];
if (output == BSDDIALOG_OK) {
*yy = c[0].value;
*mm = c[1].value;
*dd = c[2].value;
}
loop = false;
break;
case 27: /* Esc */
output = BSDDIALOG_ESC;
loop = false;
break;
case '\t': /* TAB */
sel = (sel + 1) % 3;
break;
case KEY_LEFT:
if (bs.curr > 0) {
bs.curr--;
draw_buttons(widget, h-2, w, bs, true);
wrefresh(widget);
}
break;
case KEY_RIGHT:
if (bs.curr < (int) bs.nbuttons - 1) {
bs.curr++;
draw_buttons(widget, h-2, w, bs, true);
wrefresh(widget);
}
break;
case KEY_UP:
c[sel].value = c[sel].value > 1 ? c[sel].value - 1 : c[sel].max ;
/* if mount change */
c[2].max = m[c[1].value -1].days;
/* if year change */
if (c[1].value == 2 && ISLEAF(c[0].value))
c[2].max = 29;
/* set new day */
if (c[2].value > c[2].max)
c[2].value = c[2].max;
break;
case KEY_DOWN:
c[sel].value = c[sel].value < c[sel].max ? c[sel].value + 1 : 1;
/* if mount change */
c[2].max = m[c[1].value -1].days;
/* if year change */
if (c[1].value == 2 && ISLEAF(c[0].value))
c[2].max = 29;
/* set new day */
if (c[2].value > c[2].max)
c[2].value = c[2].max;
break;
case KEY_F(1):
if (conf->f1_file == NULL && conf->f1_message == NULL)
break;
curs_set(0);
if (f1help(conf) != 0)
return BSDDIALOG_ERROR;
curs_set(2);
/* No break! the terminal size can change */
case KEY_RESIZE:
hide_widget(y, x, h, w,conf->shadow);
/*
* Unnecessary, but, when the columns decrease the
* following "refresh" seem not work
*/
refresh();
if (set_widget_size(conf, rows, cols, &h, &w) != 0)
return BSDDIALOG_ERROR;
if (datetime_autosize(conf, rows, cols, &h, &w, MINWDATE, text, bs) != 0)
return BSDDIALOG_ERROR;
if (datetime_checksize(h, w, text, MINWDATE, bs) != 0)
return BSDDIALOG_ERROR;
if (set_widget_position(conf, &y, &x, h, w) != 0)
return BSDDIALOG_ERROR;
wclear(shadow);
mvwin(shadow, y + t.shadow.h, x + t.shadow.w);
wresize(shadow, h, w);
wclear(widget);
mvwin(widget, y, x);
wresize(widget, h, w);
htextpad = 1;
wclear(textpad);
wresize(textpad, 1, w - HBORDERS - t.text.hmargin * 2);
if(update_widget_withtextpad(conf, shadow, widget, h, w,
RAISED, textpad, &htextpad, text, true) != 0)
return BSDDIALOG_ERROR;
mvwaddch(widget, h - 5, w/2 - 5, '/');
mvwaddch(widget, h - 5, w/2 + 7, '/');
draw_buttons(widget, h-2, w, bs, true);
wrefresh(widget);
prefresh(textpad, 0, 0, y+1, x+2, y+h-7, x+w-2);
wclear(c[0].win);
mvwin(c[0].win, y + h - 6, x + w/2 - 11);
draw_borders(conf, c[0].win, 3, 6, LOWERED);
wrefresh(c[0].win);
wclear(c[1].win);
mvwin(c[1].win, y + h - 6, x + w/2 - 4);
draw_borders(conf, c[1].win, 3, 11, LOWERED);
wrefresh(c[1].win);
wclear(c[2].win);
mvwin(c[2].win, y + h - 6, x + w/2 + 8);
draw_borders(conf, c[2].win, 3, 4, LOWERED);
wrefresh(c[2].win);
/* Important to avoid grey lines expanding screen */
refresh();
break;
default:
for (i = 0; i < (int) bs.nbuttons; i++)
if (tolower(input) == tolower((bs.label[i])[0])) {
output = bs.value[i];
loop = false;
}
}
}
curs_set(0);
for (i=0; i<3; i++)
delwin(c[i].win);
end_widget_withtextpad(conf, widget, h, w, textpad, shadow);
return output;
}