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124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
/*
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Copyright (C) 2013 by Maxim Biro <nurupo.contributions@gmail.com>
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This file is part of Tox Qt GUI.
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This program 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, either version 3 of the License, or
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(at your option) any later version.
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This program 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.
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See the COPYING file for more details.
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*/
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#include "flyoutoverlaywidget.h"
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#include <QPropertyAnimation>
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#include <QHBoxLayout>
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#include <QPainter>
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#include <QBitmap>
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#include <QTimer>
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FlyoutOverlayWidget::FlyoutOverlayWidget(QWidget *parent)
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: QWidget(parent)
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{
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setContentsMargins(0, 0, 0, 0);
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animation = new QPropertyAnimation(this, QByteArrayLiteral("flyoutPercent"), this);
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animation->setKeyValueAt(0, 0.0f);
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animation->setKeyValueAt(1, 1.0f);
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animation->setDuration(200);
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connect(animation, &QAbstractAnimation::finished, this, &FlyoutOverlayWidget::finishedAnimation);
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setFlyoutPercent(0);
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hide();
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}
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FlyoutOverlayWidget::~FlyoutOverlayWidget()
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{
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}
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int FlyoutOverlayWidget::animationDuration() const
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{
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return animation->duration();
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}
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void FlyoutOverlayWidget::setAnimationDuration(int timeMs)
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{
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animation->setDuration(timeMs);
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}
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qreal FlyoutOverlayWidget::flyoutPercent() const
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{
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return percent;
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}
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void FlyoutOverlayWidget::setFlyoutPercent(qreal progress)
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{
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percent = progress;
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QSize self = size();
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setMask(QRegion(0, 0, self.width() * progress + 1, self.height()));
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move(startPos.x() + self.width() - self.width() * percent, startPos.y());
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setVisible (progress != 0);
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}
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bool FlyoutOverlayWidget::isShown() const
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{
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return (percent == 1);
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}
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bool FlyoutOverlayWidget::isBeingAnimated() const
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{
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return (animation->state() == QAbstractAnimation::Running);
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}
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bool FlyoutOverlayWidget::isBeingShown() const
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{
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return (isBeingAnimated() && animation->direction() == QAbstractAnimation::Forward);
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}
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void FlyoutOverlayWidget::animateShow()
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{
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if (percent == 1.0f)
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return;
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if (animation->state() != QAbstractAnimation::Running)
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this->startPos = pos();
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startAnimation(true);
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}
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void FlyoutOverlayWidget::animateHide()
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{
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if (animation->state() != QAbstractAnimation::Running)
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this->startPos = pos();
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startAnimation(false);
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}
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void FlyoutOverlayWidget::finishedAnimation()
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{
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bool hide = (animation->direction() == QAbstractAnimation::Backward);
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// Delay it by a few frames to let the system catch up on rendering
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if (hide)
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QTimer::singleShot(50, this, SIGNAL(hidden()));
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}
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void FlyoutOverlayWidget::startAnimation(bool forward)
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{
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setAttribute(Qt::WA_TransparentForMouseEvents, !forward);
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animation->setDirection(forward ? QAbstractAnimation::Forward : QAbstractAnimation::Backward);
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animation->start();
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animation->setCurrentTime(animation->duration() * percent);
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}
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