msgbox.c

This version of dialog, formerly known as cdialog is based on the Debian package for dialog 0.9a (se

/*
 *  $Id: msgbox.c,v 1.26 2003/11/26 17:30:22 tom Exp $
 *
 *  msgbox.c -- implements the message box and info box
 *
 *  AUTHOR: Savio Lam ([e-mail])
 *     and: Thomas E. Dickey
 *
 *  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"

/*
 * Display a message box. Program will pause and display an "OK" button
 * if the parameter 'pauseopt' is non-zero.
 */
int
dialog_msgbox(const char *title, const char *cprompt, int height, int width,
	      int pauseopt)
{
    int x, y;
    int key = 0, fkey;
    WINDOW *dialog = 0;
    char *prompt = dlg_strclone(cprompt);
    const char **buttons = dlg_ok_label();

#ifdef KEY_RESIZE
    int req_high = height;
    int req_wide = width;
  restart:
#endif

    dlg_tab_correct_str(prompt);
    dlg_auto_size(title, prompt, &height, &width,
		  (pauseopt == 1 ? 2 : 0),
		  (pauseopt == 1 ? 12 : 0));
    dlg_print_size(height, width);
    dlg_ctl_size(height, width);

    x = dlg_box_x_ordinate(width);
    y = dlg_box_y_ordinate(height);

#ifdef KEY_RESIZE
    if (dialog != 0) {
	(void) wresize(dialog, height, width);
	(void) mvwin(dialog, y, x);
	(void) refresh();
    } else
#endif
	dialog = dlg_new_window(height, width, y, x);

    dlg_mouse_setbase(x, y);

    dlg_draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
    dlg_draw_title(dialog, title);

    wattrset(dialog, dialog_attr);
    dlg_print_autowrap(dialog, prompt, height, width);

    if (pauseopt) {
	bool done = FALSE;

	dlg_draw_bottom_box(dialog);
	mouse_mkbutton(height - 2, width / 2 - 4, 6, '\n');
	dlg_draw_buttons(dialog, height - 2, 0, buttons, FALSE, FALSE, width);

	wrefresh(dialog);

#ifndef KEY_RESIZE
	wtimeout(dialog, WTIMEOUT_VAL);
#endif
	while (!done) {
	    key = dlg_mouse_wgetch(dialog, &fkey);
	    if (fkey) {
		switch (key) {
#ifdef KEY_RESIZE
		case KEY_RESIZE:
		    dlg_clear();
		    height = req_high;
		    width = req_wide;
		    goto restart;
#endif
		default:
		    if (key >= M_EVENT)
			done = TRUE;
		    break;
		}
	    } else {
		switch (key) {
		case ESC:
		case ' ':
		case '\n':
		case '\r':
		    done = TRUE;
		    break;
		}
	    }
	}
    } else {
	key = '\n';
	wrefresh(dialog);
    }

    dlg_del_window(dialog);
    dlg_mouse_free_regions();
    free(prompt);
    return key == ESC ? DLG_EXIT_ESC : 0;
}