1 files changed, 36 insertions, 0 deletions
diff --git a/src/ui/dialog.vala b/src/ui/dialog.vala
new file mode 100644
index 0000000..29782e5
--- /dev/null
+++ b/src/ui/dialog.vala
@@ -0,0 +1,36 @@
+using Curses;
+
+public class Dialog {
+	Window win;
+	Window subwin;
+
+	public Dialog(string message, string title = "KtT Shopsystem Error", int h=16, int w=60)
+	requires (title.length <= w-4)
+	{
+		int y = LINES/2-h/2;
+		int x = COLS/2-w/2;
+
+		int title_x = (w-title.length)/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);
+		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);
+		win.refresh();
+	}
+}