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121 lines
3.1 KiB
121 lines
3.1 KiB
/*
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* Copyright (C) 2015-2022 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "UBMessageWindow.h"
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#include "UBSpinningWheel.h"
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#include "core/memcheck.h"
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UBMessageWindow::UBMessageWindow(QWidget *parent)
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: UBFloatingPalette(Qt::BottomLeftCorner, parent)
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, mTimerID(-1)
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{
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mLayout = new QHBoxLayout(this);
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mSpinningWheel = new UBSpinningWheel(parent);
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mLabel = new QLabel(parent);
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mLabel->setStyleSheet(QString("QLabel { color: white; background-color: transparent; border: none; font-family: Arial; font-size: 14px }"));
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mOriginalAlpha = 255;
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mLayout->setContentsMargins(radius() + 15, 4, radius() + 15, 4);
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#ifdef Q_OS_OSX
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mLayout->setContentsMargins(radius() + 15, 8, radius() + 15, 10);
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#endif
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mLayout->addWidget(mSpinningWheel);
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mLayout->addWidget(mLabel);
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}
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UBMessageWindow::~UBMessageWindow()
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{
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// NOOP
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}
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void UBMessageWindow::showMessage(const QString& message, bool showSpinningWheel)
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{
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mTimer.stop();
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mLabel->setText(message);
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QColor fadedColor = mBackgroundBrush.color();
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fadedColor.setAlpha(mOriginalAlpha);
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mBackgroundBrush = QBrush(fadedColor);
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mFadingStep = 25;
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if (showSpinningWheel)
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{
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mSpinningWheel->show();
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mSpinningWheel->startAnimation();
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}
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else
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{
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mSpinningWheel->hide();
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mSpinningWheel->stopAnimation();
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mTimer.start(50, this);
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}
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adjustSizeAndPosition();
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show();
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// showMessage may have been called from the GUI thread, so make sure the message window is drawn right now
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repaint();
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// I mean it, *right now*, also on Mac
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qApp->flush();
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//qApp->sendPostedEvents();
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}
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void UBMessageWindow::timerEvent(QTimerEvent *event)
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{
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Q_UNUSED(event);
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mFadingStep--;
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if (mFadingStep < 1)
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{
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hide();
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mTimer.stop();
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mSpinningWheel->stopAnimation();
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}
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else if (mFadingStep < 10)
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{
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QColor fadedColor = mBackgroundBrush.color();
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fadedColor.setAlpha(mOriginalAlpha / 10 * mFadingStep);
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mBackgroundBrush = QBrush(fadedColor);
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update();
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}
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}
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void UBMessageWindow::hideMessage()
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{
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mFadingStep = 0;
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hide();
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qApp->flush();
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}
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