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Diffstat (limited to 'examples/webenginewidgets/videoplayer/fullscreennotification.cpp')
-rw-r--r-- | examples/webenginewidgets/videoplayer/fullscreennotification.cpp | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/examples/webenginewidgets/videoplayer/fullscreennotification.cpp b/examples/webenginewidgets/videoplayer/fullscreennotification.cpp new file mode 100644 index 000000000..e65e2cbad --- /dev/null +++ b/examples/webenginewidgets/videoplayer/fullscreennotification.cpp @@ -0,0 +1,87 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include "fullscreennotification.h" + +#include <QGraphicsOpacityEffect> +#include <QPropertyAnimation> +#include <QSequentialAnimationGroup> + +FullScreenNotification::FullScreenNotification(QWidget *parent) + : QLabel(parent) + , m_previouslyVisible(false) +{ + setText(tr("You are now in full screen mode. Press ESC to quit!")); + setStyleSheet( + "font-size: 24px;" + "color: white;" + "background-color: black;" + "border-color: white;" + "border-width: 2px;" + "border-style: solid;" + "padding: 100px"); + setAttribute(Qt::WA_TransparentForMouseEvents); + + auto effect = new QGraphicsOpacityEffect; + effect->setOpacity(1); + setGraphicsEffect(effect); + + auto animations = new QSequentialAnimationGroup(this); + animations->addPause(3000); + auto opacityAnimation = new QPropertyAnimation(effect, "opacity", animations); + opacityAnimation->setDuration(2000); + opacityAnimation->setStartValue(1.0); + opacityAnimation->setEndValue(0.0); + opacityAnimation->setEasingCurve(QEasingCurve::OutQuad); + animations->addAnimation(opacityAnimation); + + connect(this, &FullScreenNotification::shown, + [animations](){ animations->start(); }); + + connect(animations, &QAbstractAnimation::finished, + [this](){ this->hide(); }); +} + +void FullScreenNotification::showEvent(QShowEvent *event) +{ + QLabel::showEvent(event); + if (!m_previouslyVisible && isVisible()) + emit shown(); + m_previouslyVisible = isVisible(); +} |