/*
 *  msgbox.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"

/*
 * 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, key = 0;
    WINDOW *dialog = 0;
    char *prompt = strclone(cprompt);
    const char **buttons = dlg_ok_label();

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

    tab_correct_str(prompt);
    prompt = auto_size(title, prompt, &height, &width, (pauseopt == 1 ? 2 : 0), (pauseopt == 1 ? 12 : 0));
    print_size(height, width);
    ctl_size(height, width);

    x = box_x_ordinate(width);
    y = box_y_ordinate(height);

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

    mouse_setbase (x, y);

    draw_box (dialog, 0, 0, height, width, dialog_attr, border_attr);
    draw_title (dialog, title);

    wattrset (dialog, dialog_attr);
    print_autowrap (dialog, prompt, width, 1, 2);

    if (pauseopt) {
	bool done = FALSE;

	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_lock(dialog);

#ifndef KEY_RESIZE
	wtimeout(dialog, WTIMEOUT_VAL);
#endif
	while (!done) {
	    key = mouse_wgetch(dialog);
	    switch (key) {
	    case ESC:
	    case '\n':
	    case ' ':
		done = TRUE;
		break;
#ifdef KEY_RESIZE
	    case KEY_RESIZE:
		attr_clear (stdscr, LINES, COLS, screen_attr);
		height = req_high;
		width  = req_wide;
		goto restart;
#endif
	    }
	}
    } else {
	key = '\n';
	wrefresh_lock(dialog);
    }

    delwin (dialog);
    return key == ESC ? -1 : 0;
}