Move SliderSlider and PrettySlider into own files
This commit is contained in:
Jonas Kvinge
@@ -1,11 +1,13 @@
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/***************************************************************************
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amarokslider.cpp - description
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-------------------
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volumeslider.cpp
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-------------------
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begin : Dec 15 2003
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copyright : (C) 2003 by Mark Kretschmann
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email : markey@web.de
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copyright : (C) 2005 by Gábor Lehel
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email : illissius@gmail.com
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copyright : (C) 2018-2023 by Jonas Kvinge
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email : jonas@jkvinge.net
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***************************************************************************/
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/***************************************************************************
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@@ -17,16 +19,14 @@
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* *
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***************************************************************************/
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#include "volumeslider.h"
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#include <QApplication>
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#include <QWidget>
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#include <QSlider>
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#include <QHash>
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#include <QString>
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#include <QImage>
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#include <QPixmap>
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#include <QPalette>
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#include <QPainter>
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#include <QPainterPath>
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#include <QPalette>
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#include <QFont>
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#include <QBrush>
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#include <QPen>
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@@ -38,184 +38,19 @@
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#include <QStyleOption>
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#include <QTimer>
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#include <QAction>
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#include <QSlider>
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#include <QLinearGradient>
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#include <QStyleOptionViewItem>
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#include <QFlags>
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#include <QtEvents>
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SliderSlider::SliderSlider(const Qt::Orientation orientation, QWidget *parent, const int max)
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: QSlider(orientation, parent),
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sliding_(false),
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wheeling_(false),
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outside_(false),
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prev_value_(0) {
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setRange(0, max);
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}
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void SliderSlider::wheelEvent(QWheelEvent *e) {
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if (orientation() == Qt::Vertical) {
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// Will be handled by the parent widget
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e->ignore();
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return;
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}
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wheeling_ = true;
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// Position Slider (horizontal)
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int step = e->angleDelta().y() * 1500 / 18;
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int nval = qBound(minimum(), QSlider::value() + step, maximum());
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QSlider::setValue(nval);
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emit SliderReleased(value());
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wheeling_ = false;
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}
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void SliderSlider::mouseMoveEvent(QMouseEvent *e) {
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if (sliding_) {
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// feels better, but using set value of 20 is bad of course
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QRect rect(-20, -20, width() + 40, height() + 40);
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if (orientation() == Qt::Horizontal && !rect.contains(e->pos())) {
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if (!outside_) QSlider::setValue(prev_value_);
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outside_ = true;
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}
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else {
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outside_ = false;
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slideEvent(e);
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emit sliderMoved(value());
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}
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}
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else {
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QSlider::mouseMoveEvent(e);
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}
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}
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void SliderSlider::slideEvent(QMouseEvent *e) {
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QStyleOptionSlider option;
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initStyleOption(&option);
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QRect sliderRect(style()->subControlRect(QStyle::CC_Slider, &option, QStyle::SC_SliderHandle, this));
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QSlider::setValue(
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orientation() == Qt::Horizontal
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? ((QApplication::layoutDirection() == Qt::RightToLeft)
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? QStyle::sliderValueFromPosition(
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minimum(), maximum(),
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width() - (e->pos().x() - sliderRect.width() / 2),
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width() + sliderRect.width(), true)
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: QStyle::sliderValueFromPosition(
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minimum(), maximum(),
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e->pos().x() - sliderRect.width() / 2,
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width() - sliderRect.width()))
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: QStyle::sliderValueFromPosition(
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minimum(), maximum(), e->pos().y() - sliderRect.height() / 2,
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height() - sliderRect.height()));
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}
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void SliderSlider::mousePressEvent(QMouseEvent *e) {
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QStyleOptionSlider option;
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initStyleOption(&option);
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QRect sliderRect(style()->subControlRect(QStyle::CC_Slider, &option, QStyle::SC_SliderHandle, this));
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sliding_ = true;
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prev_value_ = QSlider::value();
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if (!sliderRect.contains(e->pos())) mouseMoveEvent(e);
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}
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void SliderSlider::mouseReleaseEvent(QMouseEvent*) {
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if (!outside_ && QSlider::value() != prev_value_) {
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emit SliderReleased(value());
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}
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sliding_ = false;
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outside_ = false;
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}
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void SliderSlider::SetValue(const uint value) {
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setValue(static_cast<int>(value));
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}
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void SliderSlider::setValue(int value) {
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// Don't adjust the slider while the user is dragging it!
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if ((!sliding_ || outside_) && !wheeling_) {
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QSlider::setValue(adjustValue(value));
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}
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else {
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prev_value_ = value;
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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/// CLASS PrettySlider
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//////////////////////////////////////////////////////////////////////////////////////////
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PrettySlider::PrettySlider(const Qt::Orientation orientation, const SliderMode mode, QWidget *parent, const uint max)
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: SliderSlider(orientation, parent, static_cast<int>(max)), m_mode(mode) {
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if (m_mode == Pretty) {
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setFocusPolicy(Qt::NoFocus);
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}
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}
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void PrettySlider::mousePressEvent(QMouseEvent *e) {
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SliderSlider::mousePressEvent(e);
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slideEvent(e);
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}
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void PrettySlider::slideEvent(QMouseEvent *e) {
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if (m_mode == Pretty) {
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QSlider::setValue(orientation() == Qt::Horizontal ? QStyle::sliderValueFromPosition(minimum(), maximum(), e->pos().x(), width() - 2) : QStyle::sliderValueFromPosition(minimum(), maximum(), e->pos().y(), height() - 2)); // clazy:exclude=skipped-base-method
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}
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else {
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SliderSlider::slideEvent(e);
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}
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}
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#if 0
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/** these functions aren't required in our fixed size world, but they may become useful one day **/
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QSize PrettySlider::minimumSizeHint() const {
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return sizeHint();
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}
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QSize PrettySlider::sizeHint() const {
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constPolish();
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return (orientation() == Horizontal
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? QSize( maxValue(), THICKNESS + MARGIN )
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: QSize( THICKNESS + MARGIN, maxValue() )).expandedTo( QApplit ication::globalStrut() );
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}
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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# include <QEnterEvent>
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#else
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# include <QEvent>
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#endif
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#include <QPaintEvent>
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#include <QContextMenuEvent>
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#include <QMouseEvent>
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#include <QWheelEvent>
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//////////////////////////////////////////////////////////////////////////////////////////
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/// CLASS VolumeSlider
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//////////////////////////////////////////////////////////////////////////////////////////
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#include "volumeslider.h"
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VolumeSlider::VolumeSlider(QWidget *parent, const uint max)
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: SliderSlider(Qt::Horizontal, parent, static_cast<int>(max)),
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@@ -245,86 +80,6 @@ void VolumeSlider::SetEnabled(const bool enabled) {
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QSlider::setVisible(enabled);
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}
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void VolumeSlider::generateGradient() {
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const QImage mask(":/pictures/volumeslider-gradient.png");
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QImage gradient_image(mask.size(), QImage::Format_ARGB32_Premultiplied);
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QPainter p(&gradient_image);
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QLinearGradient gradient(gradient_image.rect().topLeft(), gradient_image.rect().topRight());
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gradient.setColorAt(0, palette().color(QPalette::Window));
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gradient.setColorAt(1, palette().color(QPalette::Highlight));
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p.fillRect(gradient_image.rect(), QBrush(gradient));
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p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
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p.drawImage(0, 0, mask);
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p.end();
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pixmap_gradient_ = QPixmap::fromImage(gradient_image);
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}
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void VolumeSlider::slotAnimTimer() {
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if (anim_enter_) {
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++anim_count_;
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update();
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if (anim_count_ == ANIM_MAX - 1) timer_anim_->stop();
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}
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else {
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--anim_count_;
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update();
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if (anim_count_ == 0) timer_anim_->stop();
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}
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}
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void VolumeSlider::mousePressEvent(QMouseEvent *e) {
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if (e->button() != Qt::RightButton) {
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SliderSlider::mousePressEvent(e);
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slideEvent(e);
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}
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}
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void VolumeSlider::contextMenuEvent(QContextMenuEvent *e) {
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QHash<QAction*, int> values;
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QMenu menu;
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menu.setTitle("Volume");
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values[menu.addAction("100%")] = 100;
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values[menu.addAction("80%")] = 80;
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values[menu.addAction("60%")] = 60;
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values[menu.addAction("40%")] = 40;
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values[menu.addAction("20%")] = 20;
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values[menu.addAction("0%")] = 0;
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QAction *ret = menu.exec(mapToGlobal(e->pos()));
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if (ret) {
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QSlider::setValue(values[ret]);
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emit SliderReleased(values[ret]);
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}
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}
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void VolumeSlider::slideEvent(QMouseEvent *e) {
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QSlider::setValue(QStyle::sliderValueFromPosition(minimum(), maximum(), e->pos().x(), width() - 2));
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}
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void VolumeSlider::wheelEvent(QWheelEvent *e) {
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wheeling_ = true;
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const int step = e->angleDelta().y() / (e->angleDelta().x() == 0 ? 30 : -30);
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QSlider::setValue(SliderSlider::value() + step);
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emit SliderReleased(value());
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wheeling_ = false;
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}
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void VolumeSlider::paintEvent(QPaintEvent*) {
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QPainter p(this);
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@@ -358,26 +113,38 @@ void VolumeSlider::paintEvent(QPaintEvent*) {
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}
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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void VolumeSlider::enterEvent(QEnterEvent*) {
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#else
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void VolumeSlider::enterEvent(QEvent*) {
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#endif
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void VolumeSlider::generateGradient() {
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anim_enter_ = true;
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anim_count_ = 0;
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const QImage mask(":/pictures/volumeslider-gradient.png");
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timer_anim_->start(ANIM_INTERVAL);
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QImage gradient_image(mask.size(), QImage::Format_ARGB32_Premultiplied);
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QPainter p(&gradient_image);
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QLinearGradient gradient(gradient_image.rect().topLeft(), gradient_image.rect().topRight());
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gradient.setColorAt(0, palette().color(QPalette::Window));
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gradient.setColorAt(1, palette().color(QPalette::Highlight));
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p.fillRect(gradient_image.rect(), QBrush(gradient));
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p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
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p.drawImage(0, 0, mask);
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p.end();
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pixmap_gradient_ = QPixmap::fromImage(gradient_image);
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}
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void VolumeSlider::leaveEvent(QEvent*) {
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void VolumeSlider::slotAnimTimer() {
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// This can happen if you enter and leave the widget quickly
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if (anim_count_ == 0) anim_count_ = 1;
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anim_enter_ = false;
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timer_anim_->start(ANIM_INTERVAL);
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if (anim_enter_) {
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++anim_count_;
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update();
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if (anim_count_ == ANIM_MAX - 1) timer_anim_->stop();
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}
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else {
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--anim_count_;
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update();
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if (anim_count_ == 0) timer_anim_->stop();
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}
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}
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@@ -447,3 +214,71 @@ void VolumeSlider::drawVolumeSliderHandle() {
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// END
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}
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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void VolumeSlider::enterEvent(QEnterEvent*) {
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#else
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void VolumeSlider::enterEvent(QEvent*) {
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#endif
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anim_enter_ = true;
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anim_count_ = 0;
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timer_anim_->start(ANIM_INTERVAL);
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}
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void VolumeSlider::leaveEvent(QEvent*) {
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// This can happen if you enter and leave the widget quickly
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if (anim_count_ == 0) anim_count_ = 1;
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anim_enter_ = false;
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timer_anim_->start(ANIM_INTERVAL);
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}
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void VolumeSlider::contextMenuEvent(QContextMenuEvent *e) {
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QHash<QAction*, int> values;
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QMenu menu;
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menu.setTitle("Volume");
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values[menu.addAction("100%")] = 100;
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values[menu.addAction("80%")] = 80;
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values[menu.addAction("60%")] = 60;
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values[menu.addAction("40%")] = 40;
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values[menu.addAction("20%")] = 20;
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values[menu.addAction("0%")] = 0;
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QAction *ret = menu.exec(mapToGlobal(e->pos()));
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if (ret) {
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QSlider::setValue(values[ret]);
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emit SliderReleased(values[ret]);
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}
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}
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void VolumeSlider::slideEvent(QMouseEvent *e) {
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QSlider::setValue(QStyle::sliderValueFromPosition(minimum(), maximum(), e->pos().x(), width() - 2));
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}
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void VolumeSlider::mousePressEvent(QMouseEvent *e) {
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if (e->button() != Qt::RightButton) {
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SliderSlider::mousePressEvent(e);
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slideEvent(e);
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}
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}
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void VolumeSlider::wheelEvent(QWheelEvent *e) {
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wheeling_ = true;
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const int step = e->angleDelta().y() / (e->angleDelta().x() == 0 ? 30 : -30);
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QSlider::setValue(SliderSlider::value() + step);
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emit SliderReleased(value());
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wheeling_ = false;
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}
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