/* * Copyright (C) 2015-2018 Département de l'Instruction Publique (DIP-SEM) * * 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 = 255; 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(50, 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(); //qApp->sendPostedEvents(); } 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(); }