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0001 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net> 0002 0003 This file is part of the Trojita Qt IMAP e-mail client, 0004 http://trojita.flaska.net/ 0005 0006 This program is free software; you can redistribute it and/or 0007 modify it under the terms of the GNU General Public License as 0008 published by the Free Software Foundation; either version 2 of 0009 the License or (at your option) version 3 or any later version 0010 accepted by the membership of KDE e.V. (or its successor approved 0011 by the membership of KDE e.V.), which shall act as a proxy 0012 defined in Section 14 of version 3 of the license. 0013 0014 This program is distributed in the hope that it will be useful, 0015 but WITHOUT ANY WARRANTY; without even the implied warranty of 0016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0017 GNU General Public License for more details. 0018 0019 You should have received a copy of the GNU General Public License 0020 along with this program. If not, see <http://www.gnu.org/licenses/>. 0021 */ 0022 0023 #include "OverlayWidget.h" 0024 #include <QResizeEvent> 0025 #include <QHBoxLayout> 0026 0027 #include <QDebug> 0028 0029 namespace Gui 0030 { 0031 0032 OverlayWidget::OverlayWidget(QWidget *what, QWidget *parent): QWidget(parent), m_widget(what) 0033 { 0034 m_widget->setParent(this); 0035 QHBoxLayout *layout = new QHBoxLayout(this); 0036 layout->addStretch(1); 0037 layout->addWidget(m_widget); 0038 layout->addStretch(1); 0039 parent->installEventFilter(this); 0040 resize(parent->size()); 0041 setAttribute(Qt::WA_TranslucentBackground); 0042 setAttribute(Qt::WA_TransparentForMouseEvents); 0043 } 0044 0045 bool OverlayWidget::eventFilter(QObject *obj, QEvent *event) 0046 { 0047 if (obj != parent()) 0048 return false; 0049 0050 if (event->type() == QEvent::Resize) { 0051 QResizeEvent *e = static_cast<QResizeEvent*>(event); 0052 resize(e->size()); 0053 } 0054 return false; 0055 } 0056 0057 } 0058