diff options
Diffstat (limited to 'lib/commandbox.c')
| -rw-r--r-- | lib/commandbox.c | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/lib/commandbox.c b/lib/commandbox.c new file mode 100644 index 000000000000..e5d65166e230 --- /dev/null +++ b/lib/commandbox.c @@ -0,0 +1,211 @@ +/*- + * 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 <unistd.h> + +#ifdef PORTNCURSES +#include <ncurses/curses.h> +#else +#include <curses.h> +#endif + +#include "bsddialog.h" +#include "lib_util.h" +#include "bsddialog_theme.h" + +/* "Command": prgbox - programbox - progressbox */ + +#define MAXINPUT 2048 /* in bsddialoh.h? in bsddialog.c get/set static maxinput? */ + +extern struct bsddialog_theme t; + +static int +command_handler(WINDOW *window, int y, int cols, struct buttons bs, bool shortkey) +{ + bool loop, update; + int i, input; + int output; + + loop = update = true; + while(loop) { + if (update) { + draw_buttons(window, y, cols, bs, shortkey); + update = false; + } + wrefresh(window); + input = getch(); + switch (input) { + case 10: /* Enter */ + output = bs.value[bs.curr]; + loop = false; + break; + case 27: /* Esc */ + output = BSDDIALOG_ESC; + loop = false; + break; + case '\t': /* TAB */ + bs.curr = (bs.curr + 1) % bs.nbuttons; + update = true; + break; + case KEY_LEFT: + if (bs.curr > 0) { + bs.curr--; + update = true; + } + break; + case KEY_RIGHT: + if (bs.curr < (int) bs.nbuttons - 1) { + bs.curr++; + update = true; + } + break; + default: + if (shortkey) { + for (i = 0; i < (int) bs.nbuttons; i++) + if (input == (bs.label[i])[0]) { + output = bs.value[i]; + loop = false; + } + } + } + } + + return output; +} + +int +bsddialog_prgbox(struct bsddialog_conf conf, char* text, int rows, int cols, char *command) +{ + char line[MAXINPUT]; + WINDOW *widget, *pad, *shadow; + int i, y, x, padrows, padcols, ys, ye, xs, xe; + int output; + int pipefd[2]; + struct buttons bs; + + if (new_widget(conf, &widget, &y, &x, text, &rows, &cols, &shadow, + true) <0) + return -1; + + get_buttons(conf, &bs, BUTTONLABEL(ok_label), BUTTONLABEL(extra_label), + NULL, BUTTONLABEL(help_label)); + + if (text != NULL && conf.no_lines == false) { + print_text(conf, widget, 1, 1, cols-2, text); + mvwhline(widget, 2, 2, conf.ascii_lines ? '-' : ACS_HLINE, cols -4); + wrefresh(widget); + } + + padrows = text == NULL ? rows - 4 : rows - 6; + padcols = cols - 2; + ys = text == NULL ? y + 1 : y + 3; + xs = x + 1; + ye = ys + padrows; + xe = xs + padcols; + + pad = newpad(padrows, padcols); + wbkgd(pad, t.widgetcolor); + + pipe(pipefd); + if (fork() == 0) + { + close(pipefd[0]); // close reading + + dup2(pipefd[1], 1); // send stdout to the pipe + dup2(pipefd[1], 2); // send stderr to the pipe + + close(pipefd[1]); // this descriptor is no longer needed + + //const char *ls="/bin/ls"; + execl(command, command, NULL); + return 0; + } + else + { + close(pipefd[1]); // close write + + i = 0; + while (read(pipefd[0], line, MAXINPUT) != 0) { + mvwaddstr(pad, i, 0, line); + prefresh(pad, 0, 0, ys, xs, ye, xe); + i++; + } + } + + output = command_handler(widget, rows-2, cols, bs, true); + + return output; +} + +int bsddialog_programbox(struct bsddialog_conf conf, char* text, int rows, int cols) +{ + char line[MAXINPUT]; + WINDOW *widget, *pad, *shadow; + int i, y, x, padrows, padcols, ys, ye, xs, xe, output; + struct buttons bs; + + if (new_widget(conf, &widget, &y, &x, text, &rows, &cols, &shadow, + true) <0) + return -1; + + get_buttons(conf, &bs, BUTTONLABEL(ok_label), BUTTONLABEL(extra_label), + BUTTONLABEL(cancel_label), BUTTONLABEL(help_label)); + + if (text != NULL && conf.no_lines == false) { + mvwhline(widget, 2, 2, conf.ascii_lines ? '-' : ACS_HLINE, cols -4); + wrefresh(widget); + } + + padrows = text == NULL ? rows - 4 : rows - 6; + padcols = cols - 2; + ys = text == NULL ? y + 1 : y + 3; + xs = x + 1; + ye = ys + padrows; + xe = xs + padcols; + + pad = newpad(padrows, padcols); + + i = 0; + //while (fgets(line, MAXINPUT, stdin) != NULL) { + while(getstr(line) != ERR){ + mvwaddstr(pad, i, 0, line); + prefresh(pad, 0, 0, ys, xs, ye, xe); + i++; + } + + output = command_handler(widget, rows-2, cols, bs, true); + + return output; +} + +int bsddialog_progressbox(struct bsddialog_conf conf, char* text, int rows, int cols) +{ + text = "Progressbox unimplemented"; + bsddialog_msgbox(conf, text, rows, cols); + RETURN_ERROR(text); +} + |