src/Gui/OverlayWidget.cpp

   1 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net>
   2
   3    This file is part of the Trojita Qt IMAP e-mail client,
   4    http://trojita.flaska.net/
   5
   6    This program is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU General Public License as
   8    published by the Free Software Foundation; either version 2 of
   9    the License or (at your option) version 3 or any later version
  10    accepted by the membership of KDE e.V. (or its successor approved
  11    by the membership of KDE e.V.), which shall act as a proxy
  12    defined in Section 14 of version 3 of the license.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "OverlayWidget.h"
  24 #include <QResizeEvent>
  25 #include <QHBoxLayout>
  26
  27 #include <QDebug>
  28
  29 namespace Gui
  30 {
  31
  32 OverlayWidget::OverlayWidget(QWidget *what, QWidget *parent): QWidget(parent), m_widget(what)
  33 {
  34     m_widget->setParent(this);
  35     QHBoxLayout *layout = new QHBoxLayout(this);
  36     layout->addStretch(1);
  37     layout->addWidget(m_widget);
  38     layout->addStretch(1);
  39     parent->installEventFilter(this);
  40     resize(parent->size());
  41     setAttribute(Qt::WA_TranslucentBackground);
  42     setAttribute(Qt::WA_TransparentForMouseEvents);
  43 }
  44
  45 bool OverlayWidget::eventFilter(QObject *obj, QEvent *event)
  46 {
  47     if (obj != parent())
  48         return false;
  49
  50     if (event->type() == QEvent::Resize) {
  51         QResizeEvent *e = static_cast<QResizeEvent*>(event);
  52         resize(e->size());
  53     }
  54     return false;
  55 }
  56
  57 }
  58