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/*
* 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 <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() */
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