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