diff options
Diffstat (limited to 'gnu/lib/libodialog/prgbox.c')
| -rw-r--r-- | gnu/lib/libodialog/prgbox.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/gnu/lib/libodialog/prgbox.c b/gnu/lib/libodialog/prgbox.c new file mode 100644 index 0000000..bcafacf --- /dev/null +++ b/gnu/lib/libodialog/prgbox.c @@ -0,0 +1,152 @@ +/* + * prgbox.c -- implements the message box and info box + * + * AUTHOR: Savio Lam (lam836@cs.cuhk.hk) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> + +#include <dialog.h> +#include <errno.h> +#include <sys/wait.h> +#include "dialog.priv.h" + +/* + * Display a message box. Program will pause and display an "OK" button + * if the parameter 'pause' is non-zero. + */ +int dialog_prgbox(unsigned char *title, const unsigned char *line, int height, int width, int pause, int use_shell) +{ + int i, x, y, key = 0; + WINDOW *dialog; + FILE *f; + const unsigned char *name; + unsigned char *s, buf[MAX_LEN]; + int status; + + if (height < 0 || width < 0) { + endwin(); + fprintf(stderr, "\nAutosizing is impossible in dialog_prgbox().\n"); + exit(-1); + } + width = MAX(width,10); + + if (width > COLS) + width = COLS; + if (height > LINES) + height = LINES; + /* center dialog box on screen */ + x = DialogX ? DialogX : (COLS - width)/2; + y = DialogY ? DialogY : (LINES - height)/2; + +#ifdef HAVE_NCURSES + if (use_shadow) + draw_shadow(stdscr, y, x, height, width); +#endif + dialog = newwin(height, width, y, x); + if (dialog == NULL) { + endwin(); + fprintf(stderr, "\nnewwin(%d,%d,%d,%d) failed, maybe wrong dims\n", height,width,y,x); + exit(1); + } + keypad(dialog, TRUE); + + draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); + + if (title != NULL) { + wattrset(dialog, title_attr); + wmove(dialog, 0, (width - strlen(title))/2 - 1); + waddch(dialog, ' '); + waddstr(dialog, title); + waddch(dialog, ' '); + } + wattrset(dialog, dialog_attr); + wmove(dialog, 1, 2); + + if (!use_shell) { + char cmdline[MAX_LEN]; + char *av[51], **ap = av, *val, *p; + + strcpy(cmdline, line); + p = cmdline; + while ((val = strsep(&p," \t")) != NULL) { + if (*val != '\0') + *ap++ = val; + } + *ap = NULL; + f = raw_popen(name = av[0], av, "r"); + } else + f = raw_popen(name = line, NULL, "r"); + + status = -1; + if (f == NULL) { + err: + sprintf(buf, "%s: %s\n", name, strerror(errno)); + prr: + print_autowrap(dialog, buf, height-(pause?3:1), width-2, width, 1, 2, FALSE, TRUE); + wrefresh(dialog); + } else { + while (fgets(buf, sizeof(buf), f) != NULL) { + i = strlen(buf); + if (buf[i-1] == '\n') + buf[i-1] = '\0'; + s = buf; + while ((s = strchr(s, '\t')) != NULL) + *s++ = ' '; + print_autowrap(dialog, buf, height-(pause?3:1), width-2, width, 1, 2, FALSE, TRUE); + print_autowrap(dialog, "\n", height-(pause?3:1), width-2, width, 1, 2, FALSE, FALSE); + wrefresh(dialog); + } + if ((status = raw_pclose(f)) == -1) + goto err; + if (WIFEXITED(status) && WEXITSTATUS(status) == 127) { + sprintf(buf, "%s: program not found\n", name); + goto prr; + } + } + + if (pause) { + wattrset(dialog, border_attr); + wmove(dialog, height-3, 0); + waddch(dialog, ACS_LTEE); + for (i = 0; i < width-2; i++) + waddch(dialog, ACS_HLINE); + wattrset(dialog, dialog_attr); + waddch(dialog, ACS_RTEE); + wmove(dialog, height-2, 1); + for (i = 0; i < width-2; i++) + waddch(dialog, ' '); + display_helpline(dialog, height-1, width); + print_button(dialog, " OK ", height-2, width/2-6, TRUE); + wrefresh(dialog); + while (key != ESC && key != '\n' && key != ' ' && key != '\r') + key = wgetch(dialog); + if (key == '\r') + key = '\n'; + } + else { + key = '\n'; + wrefresh(dialog); + } + + delwin(dialog); + return (status); +} +/* End of dialog_msgbox() */ |
