summaryrefslogtreecommitdiffstats
path: root/examples/webenginewidgets/demobrowser/fullscreennotification.cpp
blob: 8ee968beca9f72adf19bc8d6d2873275b330e424 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "fullscreennotification.h"

#include <QApplication>
#include <QDesktopWidget>
#include <QGridLayout>
#include <QLabel>
#include <QPropertyAnimation>
#include <QTimer>

FullScreenNotification::FullScreenNotification(QWidget *parent)
    : QWidget(parent)
    , width(400)
    , height(80)
    , x((parent->geometry().width() - width) / 2)
    , y(80)
{
    setVisible(false);
    setWindowFlags(Qt::ToolTip | Qt::WindowDoesNotAcceptFocus);

    QGridLayout *layout = new QGridLayout(this);

    m_label = new QLabel(tr("You are now in fullscreen mode. Press ESC to quit!"), this);
    layout->addWidget(m_label, 0, 0, 0, 0, Qt::AlignHCenter | Qt::AlignVCenter);

    setGeometry(x, y, width, height);

    setStyleSheet("background-color: white;\
        color: black;");

    m_animation = new QPropertyAnimation(this, "windowOpacity");
    connect(m_animation, SIGNAL(finished()), this, SLOT(fadeOutFinished()));
}

FullScreenNotification::~FullScreenNotification()
{
}

void FullScreenNotification::show()
{
    setWindowOpacity(1.0);
    QTimer::singleShot(300, [&] {
        QWidget *parent = parentWidget();
        x = (parent->geometry().width() - width) / 2;
        QPoint topLeft = parent->mapToGlobal(QPoint(x, y));
        QWidget::move(topLeft.x(), topLeft.y());
        QWidget::show();
        QWidget::raise();
    });
    QTimer::singleShot(5000, this, SLOT(fadeOut()));
}

void FullScreenNotification::hide()
{
    QWidget::hide();
    m_animation->stop();
}

void FullScreenNotification::fadeOut()
{
    m_animation->setDuration(800);
    m_animation->setStartValue(1.0);
    m_animation->setEndValue(0.0);
    m_animation->setEasingCurve(QEasingCurve::OutQuad);
    m_animation->start();
}

void FullScreenNotification::fadeOutFinished()
{
    hide();
    setWindowOpacity(1.0);
}