File indexing completed on 2024-04-21 14:55:52

 /*  This file is part of the KDE Libraries
  *  Copyright (C) 1998 Thomas Tanghus (tanghus@earthling.net)
  *  Additions 1999-2000 by Espen Sand (espen@kde.org)
  *                      and Holger Freyther <freyther@kde.org>
  *            2005-2006   Olivier Goffart <ogoffart @ kde.org>
  *            2006      Tobias Koenig <tokoe@kde.org>
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library 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
  *  Library General Public License for more details.
  *
  *  You should have received a copy of the GNU Library General Public License
  *  along with this library; see the file COPYING.LIB.  If not, write to
  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  *  Boston, MA 02110-1301, USA.
  */
 
 #include "kdialogqueue_p.h"
 #include <QPointer>
 #include <QTimer>
 
 class KDialogQueue::Private
 {
 public:
     Private(KDialogQueue *q): q(q) {}
 
     void slotShowQueuedDialog();
 
     KDialogQueue *q;
     QList< QPointer<QDialog> > queue;
     bool busy;
 
 };
 
 class KDialogQueueSingleton
 {
 public:
     KDialogQueue self;
 };
 
 Q_GLOBAL_STATIC(KDialogQueueSingleton, globalKDialogQueue)
 
 KDialogQueue *KDialogQueue::self()
 {
     return &globalKDialogQueue()->self;
 }
 
 KDialogQueue::KDialogQueue()
     : d(new Private(this))
 {
     d->busy = false;
 }
 
 KDialogQueue::~KDialogQueue()
 {
     delete d;
 }
 
 // static
 void KDialogQueue::queueDialog(QDialog *dialog)
 {
     KDialogQueue *_this = self();
     _this->d->queue.append(dialog);
 
     QTimer::singleShot(0, _this, SLOT(slotShowQueuedDialog()));
 }
 
 void KDialogQueue::Private::slotShowQueuedDialog()
 {
     if (busy) {
         return;
     }
 
     QDialog *dialog;
     do {
         if (queue.isEmpty()) {
             return;
         }
         dialog = queue.first();
         queue.pop_front();
     } while (!dialog);
 
     busy = true;
     dialog->exec();
     busy = false;
     delete dialog;
 
     if (!queue.isEmpty()) {
         QTimer::singleShot(20, q, SLOT(slotShowQueuedDialog()));
     }
 }
 
 #include "moc_kdialogqueue_p.cpp"