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/* Copyright 2013, Sebastian Reichel <sre@ring0.de>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
using Curses;
public class Dialog {
Window win;
Window subwin;
string dialogTitle;
int dialogWidth;
int countdownValue;
public Dialog(string message, string title = "KtT Shopsystem Error", int titleCountdown=0, int h=16, int w=60)
requires (title.length <= w-4)
{
dialogTitle = title;
dialogWidth = w;
countdownValue = titleCountdown;
int y = LINES/2-h/2;
int x = COLS/2-w/2;
win = new Window(h, w, y, x);
/* make the dialog white on red */
win.bkgdset(COLOR_PAIR(2) | Attribute.BOLD);
win.clrtobot();
/* message subwindow */
subwin = win.derwin(h-4, w-4, 2, 2);
subwin.clrtobot();
subwin.printw(message);
subwin.refresh();
/* dialog title */
win.box(0,0);
setTitle();
win.refresh();
if (countdownValue > 0) {
Timeout.add_seconds(1, decrementTitleCountdown);
}
}
private void setTitle() {
var title = dialogTitle;
if (countdownValue > 0) {
title = "%s (%d)".printf(title, countdownValue);
}
int title_x = (dialogWidth-title.length)/2;
win.mvaddstr(0, title_x, title);
win.mvaddch(0, title_x-2, Acs.RTEE);
win.mvaddch(0, title_x-1, ' ');
win.mvaddch(0, title_x+title.length, ' ');
win.mvaddch(0, title_x+title.length+1, Acs.LTEE);
// fixing the countdown (for a reasonable countdown)
win.mvaddch(0, title_x+title.length+2, Acs.HLINE);
win.mvaddch(0, title_x+title.length+3, Acs.HLINE);
}
private bool decrementTitleCountdown() {
countdownValue--;
setTitle();
win.refresh();
// run again until countdown is zero
return countdownValue > 0;
}
}
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