126 lines
2.9 KiB
C++
126 lines
2.9 KiB
C++
#include <QAbstractButton>
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#include <QPropertyAnimation>
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#include <QEvent>
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#include <QDebug>
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#include <QPainter>
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#include "toggle.h"
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#include "../lib/rippleoverlay.h"
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#include "../lib/customshadoweffect.h"
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Thumb::Thumb(Toggle *parent)
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: QWidget(parent),
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_toggle(parent),
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_animation(new QPropertyAnimation(this)),
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_progress(0)
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{
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parent->installEventFilter(this);
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_animation->setPropertyName("progress");
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_animation->setTargetObject(this);
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_animation->setDuration(350);
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_animation->setStartValue(0);
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_animation->setEndValue(1);
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}
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Thumb::~Thumb()
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{
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}
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bool Thumb::eventFilter(QObject *obj, QEvent *event)
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{
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const QEvent::Type type = event->type();
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if (QEvent::Resize == type || QEvent::Move == type) {
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setGeometry(parentWidget()->rect().adjusted(9, 9, -9, -9));
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}
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return QWidget::eventFilter(obj, event);
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}
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void Thumb::mouseReleaseEvent(QMouseEvent *event)
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{
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Q_UNUSED(event)
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emit clicked();
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if (_toggle->isChecked()) {
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_animation->setDirection(QAbstractAnimation::Forward);
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if (QAbstractAnimation::Running != _animation->state()) {
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_animation->setEasingCurve(QEasingCurve::OutCubic);
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}
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} else {
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_animation->setDirection(QAbstractAnimation::Backward);
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if (QAbstractAnimation::Running != _animation->state()) {
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_animation->setEasingCurve(QEasingCurve::InCubic);
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}
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}
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_animation->start();
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}
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void Thumb::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event)
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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/*
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painter.save();
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QPen pen;
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pen.setColor(Qt::red);
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painter.setPen(pen);
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painter.drawRect(rect());
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painter.restore();
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*/
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QBrush brush;
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brush.setStyle(Qt::SolidPattern);
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brush.setColor(QColor(120, 120, 120));
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painter.setBrush(brush);
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painter.setPen(Qt::NoPen);
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const int d = qMin(width(), height());
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painter.drawEllipse(5 + _progress*(static_cast<qreal>(width()-d)), 5, d-10, d-10);
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}
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Toggle::Toggle(QWidget *parent)
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: QAbstractButton(parent),
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_overlay(new RippleOverlay(this)),
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_thumb(new Thumb(this))
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{
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setCheckable(true);
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CustomShadowEffect *effect = new CustomShadowEffect;
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effect->setDistance(0);
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effect->setBlurRadius(6);
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effect->setColor(QColor(60, 60, 60));
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_thumb->setGraphicsEffect(effect);
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_thumb->installEventFilter(this);
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connect(_thumb, SIGNAL(clicked()), this, SLOT(toggle()));
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}
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Toggle::~Toggle()
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{
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}
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void Toggle::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event)
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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const int h = height()/2;
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QBrush brush;
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brush.setColor(QColor(180, 180, 180));
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brush.setStyle(Qt::SolidPattern);
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painter.setBrush(brush);
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painter.setPen(Qt::NoPen);
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const QRect r(0, h-h/2, width(), h);
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painter.drawRoundedRect(r.adjusted(14, 4, -14, -4), h/2-4, h/2-4);
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}
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