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Linux Cubed Series 7: Sunsite
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Linux Cubed Series 7 - Sunsite Vol 1.iso
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linuxcon.000
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linuxcon
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linuxconf-1.6
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dialog
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main.c
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C/C++ Source or Header
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1995-12-04
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7KB
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240 lines
/*
* dialog - Display simple dialog boxes from shell scripts
*
* 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.
*
*
* HISTORY:
*
* 17/12/93 - Version 0.1 released.
*
* 19/12/93 - menu will now scroll if there are more items than can fit
* on the screen.
* - added 'checklist', a dialog box with a list of options that
* can be turned on or off. A list of options that are on is
* returned on exit.
*
* 20/12/93 - Version 0.15 released.
*
* 29/12/93 - Incorporated patch from Patrick J. Volkerding
* (volkerdi@mhd1.moorhead.msus.edu) that made these changes:
* - increased MAX_LEN to 2048
* - added 'infobox', equivalent to a message box without pausing
* - added option '--clear' that will clear the screen
* - Explicit line breaking when printing prompt text can be
* invoked by real newline '\n' besides the string "\n"
* - an optional parameter '--title <string>' can be used to
* specify a title string for the dialog box
*
* 03/01/94 - added 'textbox', a dialog box for displaying text from a file.
* - Version 0.2 released.
*
* 04/01/94 - some fixes and improvements for 'textbox':
* - fixed a bug that will cause a segmentation violation when a
* line is longer than MAX_LEN characters. Lines will now be
* truncated if they are longer than MAX_LEN characters.
* - removed wrefresh() from print_line(). This will increase
* efficiency of print_page() which calls print_line().
* - display current position in the form of percentage into file.
* - Version 0.21 released.
*
* 05/01/94 - some changes for faster screen update.
*
* 07/01/94 - much more flexible color settings. Can use all 16 colors
* (8 normal, 8 highlight) of the Linux console.
*
* 08/01/94 - added run-time configuration using configuration file.
*
* 09/01/94 - some minor bug fixes and cleanups for menubox, checklist and
* textbox.
*
* 11/01/94 - added a man page.
*
* 13/01/94 - some changes for easier porting to other Unix systems (tested
* on Ultrix, SunOS and HPUX)
* - Version 0.3 released.
* 04/08/95 - Complete rewriten in C++. It is no more the official
* dialog program. Not even sure its still work. The goal
* was to turn all this into a library.
*/
#define VERSION "C++ 0.3"
#include <stdlib.h>
#include "dialog.h"
#include "diadef.h"
#ifdef HAVE_NCURSES
#include "colors.h"
#endif
/*
* Print program usage
*/
static void Usage(char *name)
{
fprintf(stderr,
"dialog version %s, by Savio Lam (lam836@cs.cuhk.hk).\n"
"\n"
"* Display dialog boxes from shell scripts *\n"
"\n"
"Usage: %s --clear\n"
" %s --create-rc <file>\n"
" %s [--title <title>] [--clear] <Box options>\n"
"\n"
"Box options:\n"
"\n"
" --yesno <text>\n"
" --msgbox <text>\n"
" --infobox <text>\n"
" --inputbox <text>\n"
" --inputpass <text>\n"
" --textbox <file> <height> <width>\n"
" --menu <text> <menu height> <tag1> <item1>...\n"
" --checklist <text> <list height> <tag1> <item1> <status1>...\n"
, VERSION, name, name, name);
exit (-1);
}
int main(int argc, char *argv[])
{
int offset = 0, clear_screen = 0, end_common_opts = 0;
int retval = 0;
char *title = NULL;
if (argc < 2) {
Usage(argv[0]);
}else if (!strcmp(argv[1], "--create-rc")) {
#ifdef HAVE_NCURSES
if (argc != 3) {
Usage(argv[0]);
}
create_rc(argv[2]);
return 0;
#else
fprintf(stderr, "\nThis option is currently unsupported on your system.\n");
return -1;
#endif
}
while (offset < argc-1 && !end_common_opts) { /* Common options */
if (!strcmp(argv[offset+1], "--title")) {
if (argc-offset < 3 || title != NULL) { /* No two "--title" please! */
Usage(argv[0]);
}else {
title = argv[offset+2];
offset += 2;
}
}else if (!strcmp(argv[offset+1], "--clear")) {
if (clear_screen) { /* Hey, "--clear" can't appear twice! */
Usage(argv[0]);
}else if (argc == 2) { /* we only want to clear the screen */
init_dialog();
refresh(); /* init_dialog() will clear the screen for us */
endwin();
return 0;
}else {
clear_screen = 1;
offset++;
}
}else{ /* no more common options */
end_common_opts = 1;
}
}
if (argc-1 == offset) { /* no more options */
Usage(argv[0]);
}else if (!strcmp(argv[offset+1], "--yesno")) {
if (argc-offset != 5) {
Usage(argv[0]);
}
init_dialog();
retval = dialog_yesno(title, argv[offset+2],NULL)==MENU_YES
? 0 : 1;
}else if (!strcmp(argv[offset+1], "--msgbox")) {
if (argc-offset != 5) {
Usage(argv[0]);
}
init_dialog();
retval = dialog_msgbox(title, argv[offset+2], 1);
}else if (!strcmp(argv[offset+1], "--infobox")) {
if (argc-offset != 5) {
Usage(argv[0]);
}
init_dialog();
retval = dialog_msgbox(title, argv[offset+2], 0);
}else if (!strcmp(argv[offset+1], "--textbox")) {
if (argc-offset != 5) {
Usage(argv[0]);
}
init_dialog();
retval = dialog_textbox(title, argv[offset+2], atoi(argv[offset+3])
,atoi(argv[offset+4]));
}else if (!strcmp(argv[offset+1], "--menu")) {
int choice=0;
if (argc-offset < 5 || ((argc-offset-3) % 2)) {
Usage(argv[0]);
}
init_dialog();
if (dialog_menu(title, argv[offset+2], NULL,0
,(argc-offset-3)/2, argv+offset + 3,choice)
== MENU_OK){
fprintf (stderr,"%s\n",argv[offset+3+choice*2]);
}
}else if (!strcmp(argv[offset+1], "--checklist")) {
if (argc-offset < 9 || ((argc-offset-6) % 3)) {
Usage(argv[0]);
}
init_dialog();
retval = dialog_checklist_p(title, argv[offset+2],NULL,
atoi(argv[offset+3]),
(argc-offset-6)/3, argv+offset + 6);
}else if (!strcmp(argv[offset+1], "--inputbox")) {
char inpstr[MAX_LEN+1];
if (argc-offset != 5) {
Usage(argv[0]);
}
init_dialog();
retval = dialog_inputbox(title, argv[offset+2], NULL, inpstr);
if (retval == 0) fprintf (stderr,"%s",inpstr);
}else if (!strcmp(argv[offset+1], "--inputpass")) {
char inpstr[MAX_LEN+1];
if (argc-offset != 5) {
Usage(argv[0]);
}
init_dialog();
retval = dialog_inputpass(title, argv[offset+2], NULL, inpstr);
if (retval == 0) fprintf (stderr,"%s",inpstr);
}else{
Usage(argv[0]);
}
if (clear_screen) { /* clear screen before exit */
attr_clear(stdscr, LINES, COLS, screen_attr);
refresh();
}
endwin();
return retval;
}