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/*
* Copyright (C) 2013 Open Education Foundation
*
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
* l'Education Numérique en Afrique (GIP ENA)
*
* This file is part of OpenBoard.
*
* OpenBoard is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License,
* with a specific linking exception for the OpenSSL project's
* "OpenSSL" library (or with modified versions of it that use the
* same license as the "OpenSSL" library).
*
* OpenBoard 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
*/
#include "UBMessageWindow.h"
#include "UBSpinningWheel.h"
#include "core/memcheck.h"
UBMessageWindow::UBMessageWindow(QWidget *parent)
: UBFloatingPalette(Qt::BottomLeftCorner, parent)
, mTimerID(-1)
{
mLayout = new QHBoxLayout(this);
mSpinningWheel = new UBSpinningWheel(parent);
mLabel = new QLabel(parent);
mLabel->setStyleSheet(QString("QLabel { color: white; background-color: transparent; border: none; font-family: Arial; font-size: 14px }"));
mOriginalAlpha = mBackgroundBrush.color().alpha();
mLayout->setContentsMargins(radius() + 15, 4, radius() + 15, 4);
#ifdef Q_OS_OSX
mLayout->setContentsMargins(radius() + 15, 8, radius() + 15, 10);
#endif
mLayout->addWidget(mSpinningWheel);
mLayout->addWidget(mLabel);
}
UBMessageWindow::~UBMessageWindow()
{
// NOOP
}
void UBMessageWindow::showMessage(const QString& message, bool showSpinningWheel)
{
mTimer.stop();
mLabel->setText(message);
QColor fadedColor = mBackgroundBrush.color();
fadedColor.setAlpha(mOriginalAlpha);
mBackgroundBrush = QBrush(fadedColor);
mFadingStep = 25;
if (showSpinningWheel)
{
mSpinningWheel->show();
mSpinningWheel->startAnimation();
}
else
{
mSpinningWheel->hide();
mSpinningWheel->stopAnimation();
mTimer.start(200, this);
}
adjustSizeAndPosition();
show();
// showMessage may have been called from the GUI thread, so make sure the message window is drawn right now
repaint();
// I mean it, *right now*, also on Mac
qApp->flush();
}
void UBMessageWindow::timerEvent(QTimerEvent *event)
{
Q_UNUSED(event);
mFadingStep--;
if (mFadingStep < 1)
{
hide();
mTimer.stop();
mSpinningWheel->stopAnimation();
}
else if (mFadingStep < 10)
{
QColor fadedColor = mBackgroundBrush.color();
fadedColor.setAlpha(mOriginalAlpha / 10 * mFadingStep);
mBackgroundBrush = QBrush(fadedColor);
update();
}
}
void UBMessageWindow::hideMessage()
{
mFadingStep = 0;
hide();
qApp->flush();
}