re-implement Slider using Pimpl
This commit is contained in:
laserpants
parent
c15b832857
commit
af95350a37
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@ -1,304 +1,12 @@
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#include <QPainter>
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#include <QDebug>
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#include <QMouseEvent>
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#include <QPropertyAnimation>
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#include "slider.h"
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Handle::Handle(Slider *slider)
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: QWidget(slider),
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_slider(slider),
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_knobSize(12),
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_haloSize(0),
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_phase(0)
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{
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setAttribute(Qt::WA_TransparentForMouseEvents);
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}
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Handle::~Handle()
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{
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}
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void Handle::refreshGeometry()
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{
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const QSize handle = sizeHint();
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setGeometry(QRect(_slider->orientation() == Qt::Horizontal
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? QPoint(qBound(0, _position.x(), _slider->width()-handle.width()), _slider->height()/2-handle.height()/2)
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: QPoint(_slider->width()/2-handle.width()/2, qBound(0, _position.y(), _slider->height()-handle.height())), handle));
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update();
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}
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void Handle::paintEvent(QPaintEvent *event)
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{
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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QBrush brush;
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brush.setColor(QColor(0, 0, 0));
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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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// Paint halo
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if (_haloSize > 12) {
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painter.save();
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painter.setOpacity(0.1);
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painter.drawEllipse(QRectF((width()-_haloSize)/2, (height()-_haloSize)/2, _haloSize, _haloSize));
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painter.restore();
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}
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const QRectF rect((width()-_knobSize)/2, (height()-_knobSize)/2, _knobSize, _knobSize);
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// Paint default knob
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painter.drawEllipse(rect);
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// Hollow knob (indicates that value == minimum or slider is disabled)
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if (_phase < 1)
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{
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QPen pen;
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pen.setColor(QColor(0, 0, 0, 80));
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pen.setWidth(2);
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painter.setPen(pen);
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brush.setColor(Qt::white);
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painter.setBrush(brush);
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painter.setOpacity(1-_phase);
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painter.drawEllipse(rect);
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}
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QWidget::paintEvent(event);
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}
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#include "slider_p.h"
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Slider::Slider(QWidget *parent)
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: QAbstractSlider(parent),
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_knobAnimation(new QPropertyAnimation(this)),
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_haloAnimation(new QPropertyAnimation(this)),
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_phaseAnimation(new QPropertyAnimation(this)),
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_handle(new Handle(this)),
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_drag(false),
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_hover(false),
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_orientation(Qt::Horizontal)
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d_ptr(new SliderPrivate(this))
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{
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_knobAnimation->setPropertyName("knobSize");
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_knobAnimation->setTargetObject(_handle);
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_knobAnimation->setStartValue(12);
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_knobAnimation->setEndValue(20);
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_knobAnimation->setDuration(100);
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_haloAnimation->setPropertyName("haloSize");
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_haloAnimation->setTargetObject(_handle);
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_haloAnimation->setStartValue(12);
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_haloAnimation->setEndValue(30);
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_haloAnimation->setDuration(220);
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_phaseAnimation->setPropertyName("phase");
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_phaseAnimation->setTargetObject(_handle);
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_phaseAnimation->setStartValue(0);
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_phaseAnimation->setEndValue(1);
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_phaseAnimation->setDuration(500);
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setMouseTracking(true);
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setFocusPolicy(Qt::StrongFocus);
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}
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Slider::~Slider()
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{
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}
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void Slider::setOrientation(Qt::Orientation orientation)
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{
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if (_orientation == orientation)
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return;
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_orientation = orientation;
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_handle->refreshGeometry();
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update();
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}
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void Slider::paintEvent(QPaintEvent *event)
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{
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QPainter painter(this);
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if (hasFocus()) {
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painter.drawRect(rect());
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}
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QRect rect = Qt::Vertical == _orientation
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? QRect(width()/2-1, 0, 2, height())
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: QRect(0, height()/2-1, width(), 2);
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const QSize handle = _handle->sizeHint();
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QBrush brush;
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brush.setStyle(Qt::SolidPattern);
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brush.setColor(_hover ? QColor(0, 0, 0, 80) : QColor(0, 0, 0, 40));
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if (Qt::Horizontal == _orientation) {
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rect.adjust(handle.width()/2, 0, -handle.width()/2, 0);
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} else {
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rect.adjust(0, handle.height()/2, 0, -handle.height()/2);
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}
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painter.fillRect(rect, brush);
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painter.save();
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brush.setColor(QColor(0, 0, 0));
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const QPoint range = Qt::Vertical == _orientation
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? QPoint(width(), _handle->y()+handle.height()/2)
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: QPoint(_handle->x()+handle.width()/2, height());
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painter.fillRect(rect.intersected(QRect(QPoint(0, 0), range)), brush);
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painter.restore();
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QAbstractSlider::paintEvent(event);
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}
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void Slider::mousePressEvent(QMouseEvent *event)
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{
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const QPoint pos = event->pos();
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const bool touchesHandle = overHandle(pos);
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if (touchesHandle || overTrack(pos)) {
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const QSize handle = _handle->sizeHint();
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_handle->setOffset((pos - QPoint(handle.width(), handle.height())/2) - event->globalPos());
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_handle->setRelativePosition(event->globalPos());
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_drag = true;
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_knobAnimation->setDirection(QAbstractAnimation::Forward);
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_knobAnimation->start();
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if (touchesHandle) {
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_haloAnimation->setDirection(QAbstractAnimation::Backward);
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_haloAnimation->start();
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} else {
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_haloAnimation->stop();
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_handle->setHaloSize(0);
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}
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updateValue();
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}
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QAbstractSlider::mousePressEvent(event);
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}
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void Slider::mouseReleaseEvent(QMouseEvent *event)
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{
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Q_UNUSED(event)
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if (_drag) {
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_drag = false;
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_hover = false;
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_knobAnimation->setDirection(QAbstractAnimation::Backward);
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_knobAnimation->start();
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updateHoverState(mapFromGlobal(QCursor::pos()));
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}
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}
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void Slider::mouseMoveEvent(QMouseEvent *event)
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{
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if (_drag) {
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_handle->setRelativePosition(event->globalPos());
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updateValue();
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} else {
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updateHoverState(event->pos());
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}
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QAbstractSlider::mouseMoveEvent(event);
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}
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void Slider::enterEvent(QEvent *event)
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{
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Q_UNUSED(event)
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updateHoverState(mapFromGlobal(QCursor::pos()));
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}
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void Slider::leaveEvent(QEvent *event)
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{
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Q_UNUSED(event)
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endHover();
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}
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void Slider::resizeEvent(QResizeEvent *event)
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{
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_handle->refreshGeometry();
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QAbstractSlider::resizeEvent(event);
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}
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bool Slider::overTrack(const QPoint &pos) const
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{
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if (Qt::Horizontal == _orientation) {
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const int handleW = _handle->width();
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return QRect(handleW/2, height()/2-4, width()-handleW, 8).contains(pos);
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} else {
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const int handleH = _handle->height();
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return QRect(width()/2-4, handleH/2, 8, height()-handleH).contains(pos);
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}
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}
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bool Slider::overHandle(const QPoint &pos) const
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{
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const int knob = _handle->knobSize();
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const int hl = _handle->x() + (20-knob)/2; // @TODO: 20 should not be hard coded
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const int ht = _handle->y() + (20-knob)/2; // @TODO: 20 should not be hard coded
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return (pos.x() > hl - 10 && pos.x() < hl+knob + 10
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&& pos.y() > ht - 10 && pos.y() < ht+knob + 10);
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}
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void Slider::updateValue()
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{
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const qreal tot = Qt::Horizontal == _orientation
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? geometry().width()-_handle->width()
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: geometry().height()-_handle->height();
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const qreal r = Qt::Horizontal == _orientation
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? _handle->geometry().left() / tot
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: _handle->geometry().top() / tot;
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// @TODO: use QStyle::sliderValueFromPosition()
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const int oldValue = value();
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const int newValue = (1-r)*minimum()+r*maximum();
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if (oldValue == newValue) {
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return;
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}
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setValue(newValue);
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if (oldValue == 0 && newValue != 0) {
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_phaseAnimation->setDirection(QAbstractAnimation::Forward);
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_phaseAnimation->start();
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} else if (newValue == 0 && oldValue != 0) {
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_phaseAnimation->setDirection(QAbstractAnimation::Backward);
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_phaseAnimation->start();
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}
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update();
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}
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void Slider::updateHoverState(const QPoint &pos)
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{
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if (overTrack(pos) || (overHandle(pos))) {
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beginHover();
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} else {
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endHover();
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}
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}
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void Slider::beginHover() {
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if (!_hover) {
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_hover = true;
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_haloAnimation->setDirection(QAbstractAnimation::Forward);
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_haloAnimation->start();
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update();
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}
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}
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void Slider::endHover()
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{
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if (_hover) {
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_hover = false;
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if (_handle->haloSize() > 12) {
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_haloAnimation->setDirection(QAbstractAnimation::Backward);
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_haloAnimation->start();
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}
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}
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update();
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}
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@ -2,55 +2,9 @@
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#define SLIDER_H
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#include <QAbstractSlider>
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#include <QPoint>
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#include <QScopedPointer>
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class QPropertyAnimation;
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class Slider;
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class Handle : public QWidget
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{
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Q_OBJECT
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Q_PROPERTY(qreal knobSize WRITE setKnobSize READ knobSize)
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Q_PROPERTY(qreal haloSize WRITE setHaloSize READ haloSize)
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Q_PROPERTY(qreal phase WRITE setPhase READ phase)
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public:
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explicit Handle(Slider *slider);
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~Handle();
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inline QSize sizeHint() const Q_DECL_OVERRIDE { return QSize(30, 30); }
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inline void setRelativePosition(const QPoint &pos) { setPosition(_offset + pos); }
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inline void setPosition(const QPoint &pos) { _position = pos; refreshGeometry(); }
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inline const QPoint &position() const { return _position; }
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inline void setOffset(const QPoint &offset) { _offset = offset; update(); }
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inline const QPoint &offset() const { return _offset; }
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inline void setKnobSize (qreal size) { _knobSize = size; refreshGeometry(); }
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inline qreal knobSize() const { return _knobSize; }
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inline void setHaloSize (qreal size) { _haloSize = size; update(); }
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inline qreal haloSize() const { return _haloSize; }
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inline void setPhase (qreal phase) { _phase = phase; update(); }
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inline qreal phase() const { return _phase; }
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void refreshGeometry();
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protected:
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void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
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private:
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Slider *const _slider;
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QPoint _position;
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QPoint _offset;
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qreal _knobSize;
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qreal _haloSize;
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qreal _phase;
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};
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class SliderPrivate;
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class Slider : public QAbstractSlider
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{
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@ -60,35 +14,12 @@ public:
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explicit Slider(QWidget *parent = 0);
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~Slider();
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void setOrientation(Qt::Orientation orientation);
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inline Qt::Orientation orientation() const { return _orientation; }
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protected:
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void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
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void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
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void mouseReleaseEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
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void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
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void enterEvent(QEvent *event) Q_DECL_OVERRIDE;
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void leaveEvent(QEvent *event) Q_DECL_OVERRIDE;
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void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
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bool overTrack(const QPoint &pos) const;
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bool overHandle(const QPoint &pos) const;
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void updateValue();
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void updateHoverState(const QPoint &pos);
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void beginHover();
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void endHover();
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const QScopedPointer<SliderPrivate> d_ptr;
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private:
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QPropertyAnimation *const _knobAnimation;
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QPropertyAnimation *const _haloAnimation;
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QPropertyAnimation *const _phaseAnimation;
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Handle *const _handle;
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bool _drag;
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bool _hover;
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Qt::Orientation _orientation;
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Q_DISABLE_COPY(Slider)
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Q_DECLARE_PRIVATE(Slider)
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};
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#endif // SLIDER_H
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@ -0,0 +1,20 @@
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#ifndef SLIDER_P_H
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#define SLIDER_P_H
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#include "slider.h"
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class SliderPrivate
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{
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Q_DISABLE_COPY(SliderPrivate)
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Q_DECLARE_PUBLIC(Slider)
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public:
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SliderPrivate(Slider *parent)
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: q_ptr(parent)
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{
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}
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Slider *const q_ptr;
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};
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#endif // SLIDER_P_H
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@ -0,0 +1,304 @@
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#include <QPainter>
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#include <QDebug>
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#include <QMouseEvent>
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#include <QPropertyAnimation>
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#include "slider.h"
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Handle::Handle(Slider *slider)
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: QWidget(slider),
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_slider(slider),
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_knobSize(12),
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_haloSize(0),
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_phase(0)
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{
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setAttribute(Qt::WA_TransparentForMouseEvents);
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}
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Handle::~Handle()
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{
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}
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void Handle::refreshGeometry()
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{
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const QSize handle = sizeHint();
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setGeometry(QRect(_slider->orientation() == Qt::Horizontal
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? QPoint(qBound(0, _position.x(), _slider->width()-handle.width()), _slider->height()/2-handle.height()/2)
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: QPoint(_slider->width()/2-handle.width()/2, qBound(0, _position.y(), _slider->height()-handle.height())), handle));
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update();
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}
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void Handle::paintEvent(QPaintEvent *event)
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{
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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QBrush brush;
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brush.setColor(QColor(0, 0, 0));
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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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// Paint halo
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if (_haloSize > 12) {
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painter.save();
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painter.setOpacity(0.1);
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painter.drawEllipse(QRectF((width()-_haloSize)/2, (height()-_haloSize)/2, _haloSize, _haloSize));
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painter.restore();
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}
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const QRectF rect((width()-_knobSize)/2, (height()-_knobSize)/2, _knobSize, _knobSize);
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// Paint default knob
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painter.drawEllipse(rect);
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// Hollow knob (indicates that value == minimum or slider is disabled)
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if (_phase < 1)
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{
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QPen pen;
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pen.setColor(QColor(0, 0, 0, 80));
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pen.setWidth(2);
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painter.setPen(pen);
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brush.setColor(Qt::white);
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painter.setBrush(brush);
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painter.setOpacity(1-_phase);
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painter.drawEllipse(rect);
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}
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QWidget::paintEvent(event);
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}
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Slider::Slider(QWidget *parent)
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: QAbstractSlider(parent),
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_knobAnimation(new QPropertyAnimation(this)),
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_haloAnimation(new QPropertyAnimation(this)),
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_phaseAnimation(new QPropertyAnimation(this)),
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_handle(new Handle(this)),
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_drag(false),
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_hover(false),
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_orientation(Qt::Horizontal)
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{
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_knobAnimation->setPropertyName("knobSize");
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_knobAnimation->setTargetObject(_handle);
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_knobAnimation->setStartValue(12);
|
||||
_knobAnimation->setEndValue(20);
|
||||
_knobAnimation->setDuration(100);
|
||||
|
||||
_haloAnimation->setPropertyName("haloSize");
|
||||
_haloAnimation->setTargetObject(_handle);
|
||||
_haloAnimation->setStartValue(12);
|
||||
_haloAnimation->setEndValue(30);
|
||||
_haloAnimation->setDuration(220);
|
||||
|
||||
_phaseAnimation->setPropertyName("phase");
|
||||
_phaseAnimation->setTargetObject(_handle);
|
||||
_phaseAnimation->setStartValue(0);
|
||||
_phaseAnimation->setEndValue(1);
|
||||
_phaseAnimation->setDuration(500);
|
||||
|
||||
setMouseTracking(true);
|
||||
setFocusPolicy(Qt::StrongFocus);
|
||||
}
|
||||
|
||||
Slider::~Slider()
|
||||
{
|
||||
}
|
||||
|
||||
void Slider::setOrientation(Qt::Orientation orientation)
|
||||
{
|
||||
if (_orientation == orientation)
|
||||
return;
|
||||
_orientation = orientation;
|
||||
_handle->refreshGeometry();
|
||||
update();
|
||||
}
|
||||
|
||||
void Slider::paintEvent(QPaintEvent *event)
|
||||
{
|
||||
QPainter painter(this);
|
||||
|
||||
if (hasFocus()) {
|
||||
painter.drawRect(rect());
|
||||
}
|
||||
|
||||
QRect rect = Qt::Vertical == _orientation
|
||||
? QRect(width()/2-1, 0, 2, height())
|
||||
: QRect(0, height()/2-1, width(), 2);
|
||||
|
||||
const QSize handle = _handle->sizeHint();
|
||||
|
||||
QBrush brush;
|
||||
brush.setStyle(Qt::SolidPattern);
|
||||
brush.setColor(_hover ? QColor(0, 0, 0, 80) : QColor(0, 0, 0, 40));
|
||||
|
||||
if (Qt::Horizontal == _orientation) {
|
||||
rect.adjust(handle.width()/2, 0, -handle.width()/2, 0);
|
||||
} else {
|
||||
rect.adjust(0, handle.height()/2, 0, -handle.height()/2);
|
||||
}
|
||||
painter.fillRect(rect, brush);
|
||||
|
||||
painter.save();
|
||||
brush.setColor(QColor(0, 0, 0));
|
||||
const QPoint range = Qt::Vertical == _orientation
|
||||
? QPoint(width(), _handle->y()+handle.height()/2)
|
||||
: QPoint(_handle->x()+handle.width()/2, height());
|
||||
painter.fillRect(rect.intersected(QRect(QPoint(0, 0), range)), brush);
|
||||
painter.restore();
|
||||
|
||||
QAbstractSlider::paintEvent(event);
|
||||
}
|
||||
|
||||
void Slider::mousePressEvent(QMouseEvent *event)
|
||||
{
|
||||
const QPoint pos = event->pos();
|
||||
const bool touchesHandle = overHandle(pos);
|
||||
|
||||
if (touchesHandle || overTrack(pos)) {
|
||||
const QSize handle = _handle->sizeHint();
|
||||
_handle->setOffset((pos - QPoint(handle.width(), handle.height())/2) - event->globalPos());
|
||||
_handle->setRelativePosition(event->globalPos());
|
||||
_drag = true;
|
||||
_knobAnimation->setDirection(QAbstractAnimation::Forward);
|
||||
_knobAnimation->start();
|
||||
|
||||
if (touchesHandle) {
|
||||
_haloAnimation->setDirection(QAbstractAnimation::Backward);
|
||||
_haloAnimation->start();
|
||||
} else {
|
||||
_haloAnimation->stop();
|
||||
_handle->setHaloSize(0);
|
||||
}
|
||||
updateValue();
|
||||
}
|
||||
QAbstractSlider::mousePressEvent(event);
|
||||
}
|
||||
|
||||
void Slider::mouseReleaseEvent(QMouseEvent *event)
|
||||
{
|
||||
Q_UNUSED(event)
|
||||
|
||||
if (_drag) {
|
||||
_drag = false;
|
||||
_hover = false;
|
||||
_knobAnimation->setDirection(QAbstractAnimation::Backward);
|
||||
_knobAnimation->start();
|
||||
updateHoverState(mapFromGlobal(QCursor::pos()));
|
||||
}
|
||||
}
|
||||
|
||||
void Slider::mouseMoveEvent(QMouseEvent *event)
|
||||
{
|
||||
if (_drag) {
|
||||
_handle->setRelativePosition(event->globalPos());
|
||||
updateValue();
|
||||
} else {
|
||||
updateHoverState(event->pos());
|
||||
}
|
||||
QAbstractSlider::mouseMoveEvent(event);
|
||||
}
|
||||
|
||||
void Slider::enterEvent(QEvent *event)
|
||||
{
|
||||
Q_UNUSED(event)
|
||||
|
||||
updateHoverState(mapFromGlobal(QCursor::pos()));
|
||||
}
|
||||
|
||||
void Slider::leaveEvent(QEvent *event)
|
||||
{
|
||||
Q_UNUSED(event)
|
||||
|
||||
endHover();
|
||||
}
|
||||
|
||||
void Slider::resizeEvent(QResizeEvent *event)
|
||||
{
|
||||
_handle->refreshGeometry();
|
||||
QAbstractSlider::resizeEvent(event);
|
||||
}
|
||||
|
||||
bool Slider::overTrack(const QPoint &pos) const
|
||||
{
|
||||
if (Qt::Horizontal == _orientation) {
|
||||
const int handleW = _handle->width();
|
||||
return QRect(handleW/2, height()/2-4, width()-handleW, 8).contains(pos);
|
||||
} else {
|
||||
const int handleH = _handle->height();
|
||||
return QRect(width()/2-4, handleH/2, 8, height()-handleH).contains(pos);
|
||||
}
|
||||
}
|
||||
|
||||
bool Slider::overHandle(const QPoint &pos) const
|
||||
{
|
||||
const int knob = _handle->knobSize();
|
||||
const int hl = _handle->x() + (20-knob)/2; // @TODO: 20 should not be hard coded
|
||||
const int ht = _handle->y() + (20-knob)/2; // @TODO: 20 should not be hard coded
|
||||
|
||||
return (pos.x() > hl - 10 && pos.x() < hl+knob + 10
|
||||
&& pos.y() > ht - 10 && pos.y() < ht+knob + 10);
|
||||
}
|
||||
|
||||
void Slider::updateValue()
|
||||
{
|
||||
const qreal tot = Qt::Horizontal == _orientation
|
||||
? geometry().width()-_handle->width()
|
||||
: geometry().height()-_handle->height();
|
||||
|
||||
const qreal r = Qt::Horizontal == _orientation
|
||||
? _handle->geometry().left() / tot
|
||||
: _handle->geometry().top() / tot;
|
||||
|
||||
// @TODO: use QStyle::sliderValueFromPosition()
|
||||
|
||||
const int oldValue = value();
|
||||
const int newValue = (1-r)*minimum()+r*maximum();
|
||||
|
||||
if (oldValue == newValue) {
|
||||
return;
|
||||
}
|
||||
|
||||
setValue(newValue);
|
||||
|
||||
if (oldValue == 0 && newValue != 0) {
|
||||
_phaseAnimation->setDirection(QAbstractAnimation::Forward);
|
||||
_phaseAnimation->start();
|
||||
} else if (newValue == 0 && oldValue != 0) {
|
||||
_phaseAnimation->setDirection(QAbstractAnimation::Backward);
|
||||
_phaseAnimation->start();
|
||||
}
|
||||
|
||||
update();
|
||||
}
|
||||
|
||||
void Slider::updateHoverState(const QPoint &pos)
|
||||
{
|
||||
if (overTrack(pos) || (overHandle(pos))) {
|
||||
beginHover();
|
||||
} else {
|
||||
endHover();
|
||||
}
|
||||
}
|
||||
|
||||
void Slider::beginHover() {
|
||||
if (!_hover) {
|
||||
_hover = true;
|
||||
_haloAnimation->setDirection(QAbstractAnimation::Forward);
|
||||
_haloAnimation->start();
|
||||
update();
|
||||
}
|
||||
}
|
||||
|
||||
void Slider::endHover()
|
||||
{
|
||||
if (_hover) {
|
||||
_hover = false;
|
||||
if (_handle->haloSize() > 12) {
|
||||
_haloAnimation->setDirection(QAbstractAnimation::Backward);
|
||||
_haloAnimation->start();
|
||||
}
|
||||
}
|
||||
update();
|
||||
}
|
||||
|
|
@ -0,0 +1,94 @@
|
|||
#ifndef SLIDER_H
|
||||
#define SLIDER_H
|
||||
|
||||
#include <QAbstractSlider>
|
||||
#include <QPoint>
|
||||
|
||||
class QPropertyAnimation;
|
||||
class Slider;
|
||||
|
||||
class Handle : public QWidget
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
Q_PROPERTY(qreal knobSize WRITE setKnobSize READ knobSize)
|
||||
Q_PROPERTY(qreal haloSize WRITE setHaloSize READ haloSize)
|
||||
Q_PROPERTY(qreal phase WRITE setPhase READ phase)
|
||||
|
||||
public:
|
||||
explicit Handle(Slider *slider);
|
||||
~Handle();
|
||||
|
||||
inline QSize sizeHint() const Q_DECL_OVERRIDE { return QSize(30, 30); }
|
||||
|
||||
inline void setRelativePosition(const QPoint &pos) { setPosition(_offset + pos); }
|
||||
|
||||
inline void setPosition(const QPoint &pos) { _position = pos; refreshGeometry(); }
|
||||
inline const QPoint &position() const { return _position; }
|
||||
|
||||
inline void setOffset(const QPoint &offset) { _offset = offset; update(); }
|
||||
inline const QPoint &offset() const { return _offset; }
|
||||
|
||||
inline void setKnobSize (qreal size) { _knobSize = size; refreshGeometry(); }
|
||||
inline qreal knobSize() const { return _knobSize; }
|
||||
|
||||
inline void setHaloSize (qreal size) { _haloSize = size; update(); }
|
||||
inline qreal haloSize() const { return _haloSize; }
|
||||
|
||||
inline void setPhase (qreal phase) { _phase = phase; update(); }
|
||||
inline qreal phase() const { return _phase; }
|
||||
|
||||
void refreshGeometry();
|
||||
|
||||
protected:
|
||||
void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
|
||||
|
||||
private:
|
||||
Slider *const _slider;
|
||||
QPoint _position;
|
||||
QPoint _offset;
|
||||
qreal _knobSize;
|
||||
qreal _haloSize;
|
||||
qreal _phase;
|
||||
};
|
||||
|
||||
class Slider : public QAbstractSlider
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
explicit Slider(QWidget *parent = 0);
|
||||
~Slider();
|
||||
|
||||
void setOrientation(Qt::Orientation orientation);
|
||||
inline Qt::Orientation orientation() const { return _orientation; }
|
||||
|
||||
protected:
|
||||
void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
|
||||
void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
|
||||
void mouseReleaseEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
|
||||
void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
|
||||
void enterEvent(QEvent *event) Q_DECL_OVERRIDE;
|
||||
void leaveEvent(QEvent *event) Q_DECL_OVERRIDE;
|
||||
void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
|
||||
|
||||
bool overTrack(const QPoint &pos) const;
|
||||
bool overHandle(const QPoint &pos) const;
|
||||
|
||||
void updateValue();
|
||||
void updateHoverState(const QPoint &pos);
|
||||
|
||||
void beginHover();
|
||||
void endHover();
|
||||
|
||||
private:
|
||||
QPropertyAnimation *const _knobAnimation;
|
||||
QPropertyAnimation *const _haloAnimation;
|
||||
QPropertyAnimation *const _phaseAnimation;
|
||||
Handle *const _handle;
|
||||
bool _drag;
|
||||
bool _hover;
|
||||
Qt::Orientation _orientation;
|
||||
};
|
||||
|
||||
#endif // SLIDER_H
|
||||
|
|
@ -62,6 +62,7 @@ HEADERS += mainwindow.h \
|
|||
components/list.h \
|
||||
components/radiobutton.h \
|
||||
components/slider.h \
|
||||
components/slider_p.h \
|
||||
components/tab.h \
|
||||
components/tabs.h \
|
||||
components/textfield.h \
|
||||
|
|
|
|||
Loading…
Reference in New Issue