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Diffstat (limited to 'src/quicktemplates2/qquickrangeslider.cpp')
| -rw-r--r-- | src/quicktemplates2/qquickrangeslider.cpp | 1322 |
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diff --git a/src/quicktemplates2/qquickrangeslider.cpp b/src/quicktemplates2/qquickrangeslider.cpp deleted file mode 100644 index 0e19db64..00000000 --- a/src/quicktemplates2/qquickrangeslider.cpp +++ /dev/null @@ -1,1322 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL3$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPLv3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or later as published by the Free -** Software Foundation and appearing in the file LICENSE.GPL included in -** the packaging of this file. Please review the following information to -** ensure the GNU General Public License version 2.0 requirements will be -** met: http://www.gnu.org/licenses/gpl-2.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickrangeslider_p.h" -#include "qquickcontrol_p_p.h" -#include "qquickdeferredexecute_p_p.h" - -#include <QtCore/qscopedpointer.h> -#include <QtQuick/private/qquickwindow_p.h> - -QT_BEGIN_NAMESPACE - -/*! - \qmltype RangeSlider - \inherits Control -//! \instantiates QQuickRangeSlider - \inqmlmodule QtQuick.Controls - \since 5.7 - \ingroup qtquickcontrols2-input - \ingroup qtquickcontrols2-focusscopes - \brief Used to select a range of values by sliding two handles along a track. - - \image qtquickcontrols2-rangeslider.gif - - RangeSlider is used to select a range specified by two values, by sliding - each handle along a track. - - In the example below, custom \l from and \l to values are set, and the - initial positions of the \l first and \l second handles are set: - - \code - RangeSlider { - from: 1 - to: 100 - first.value: 25 - second.value: 75 - } - \endcode - - In order to perform an action when the value for a particular handle changes, - use the following syntax: - - \code - first.onMoved: console.log("first.value changed to " + first.value) - \endcode - - The \l {first.position} and \l {second.position} properties are expressed as - fractions of the control's size, in the range \c {0.0 - 1.0}. - The \l {first.visualPosition} and \l {second.visualPosition} properties are - the same, except that they are reversed in a - \l {Right-to-left User Interfaces}{right-to-left} application. - The \c visualPosition is useful for positioning the handles when styling - RangeSlider. In the example above, \l {first.visualPosition} will be \c 0.24 - in a left-to-right application, and \c 0.76 in a right-to-left application. - - For a slider that allows the user to select a single value, see \l Slider. - - \sa {Customizing RangeSlider}, {Input Controls}, - {Focus Management in Qt Quick Controls} -*/ - -class QQuickRangeSliderNodePrivate : public QObjectPrivate -{ - Q_DECLARE_PUBLIC(QQuickRangeSliderNode) -public: - QQuickRangeSliderNodePrivate(qreal value, QQuickRangeSlider *slider) - : value(value), - slider(slider) - { - } - - bool isFirst() const; - - void setPosition(qreal position, bool ignoreOtherPosition = false); - void updatePosition(bool ignoreOtherPosition = false); - - void cancelHandle(); - void executeHandle(bool complete = false); - - static QQuickRangeSliderNodePrivate *get(QQuickRangeSliderNode *node); - - qreal value = 0; - bool isPendingValue = false; - qreal pendingValue = 0; - qreal position = 0; - QQuickDeferredPointer<QQuickItem> handle; - QQuickRangeSlider *slider = nullptr; - bool pressed = false; - bool hovered = false; - int touchId = -1; -}; - -bool QQuickRangeSliderNodePrivate::isFirst() const -{ - return this == get(slider->first()); -} - -void QQuickRangeSliderNodePrivate::setPosition(qreal position, bool ignoreOtherPosition) -{ - Q_Q(QQuickRangeSliderNode); - - const qreal min = isFirst() || ignoreOtherPosition ? 0.0 : qMax<qreal>(0.0, slider->first()->position()); - const qreal max = !isFirst() || ignoreOtherPosition ? 1.0 : qMin<qreal>(1.0, slider->second()->position()); - position = qBound(min, position, max); - if (!qFuzzyCompare(this->position, position)) { - this->position = position; - emit q->positionChanged(); - emit q->visualPositionChanged(); - } -} - -void QQuickRangeSliderNodePrivate::updatePosition(bool ignoreOtherPosition) -{ - qreal pos = 0; - if (!qFuzzyCompare(slider->from(), slider->to())) - pos = (value - slider->from()) / (slider->to() - slider->from()); - setPosition(pos, ignoreOtherPosition); -} - -static inline QString handleName() { return QStringLiteral("handle"); } - -void QQuickRangeSliderNodePrivate::cancelHandle() -{ - Q_Q(QQuickRangeSliderNode); - quickCancelDeferred(q, handleName()); -} - -void QQuickRangeSliderNodePrivate::executeHandle(bool complete) -{ - Q_Q(QQuickRangeSliderNode); - if (handle.wasExecuted()) - return; - - if (!handle || complete) - quickBeginDeferred(q, handleName(), handle); - if (complete) - quickCompleteDeferred(q, handleName(), handle); -} - -QQuickRangeSliderNodePrivate *QQuickRangeSliderNodePrivate::get(QQuickRangeSliderNode *node) -{ - return node->d_func(); -} - -QQuickRangeSliderNode::QQuickRangeSliderNode(qreal value, QQuickRangeSlider *slider) - : QObject(*(new QQuickRangeSliderNodePrivate(value, slider)), slider) -{ -} - -QQuickRangeSliderNode::~QQuickRangeSliderNode() -{ -} - -qreal QQuickRangeSliderNode::value() const -{ - Q_D(const QQuickRangeSliderNode); - return d->value; -} - -void QQuickRangeSliderNode::setValue(qreal value) -{ - Q_D(QQuickRangeSliderNode); - if (!d->slider->isComponentComplete()) { - d->pendingValue = value; - d->isPendingValue = true; - return; - } - - // First, restrict the first value to be within to and from. - const qreal smaller = qMin(d->slider->to(), d->slider->from()); - const qreal larger = qMax(d->slider->to(), d->slider->from()); - value = qBound(smaller, value, larger); - - // Then, ensure that it doesn't go past the other value, - // a check that depends on whether or not the range is inverted. - const bool invertedRange = d->slider->from() > d->slider->to(); - if (d->isFirst()) { - if (invertedRange) { - if (value < d->slider->second()->value()) - value = d->slider->second()->value(); - } else { - if (value > d->slider->second()->value()) - value = d->slider->second()->value(); - } - } else { - if (invertedRange) { - if (value > d->slider->first()->value()) - value = d->slider->first()->value(); - } else { - if (value < d->slider->first()->value()) - value = d->slider->first()->value(); - } - } - - if (!qFuzzyCompare(d->value, value)) { - d->value = value; - d->updatePosition(); - emit valueChanged(); - } -} - -qreal QQuickRangeSliderNode::position() const -{ - Q_D(const QQuickRangeSliderNode); - return d->position; -} - -qreal QQuickRangeSliderNode::visualPosition() const -{ - Q_D(const QQuickRangeSliderNode); - if (d->slider->orientation() == Qt::Vertical || d->slider->isMirrored()) - return 1.0 - d->position; - return d->position; -} - -QQuickItem *QQuickRangeSliderNode::handle() const -{ - QQuickRangeSliderNodePrivate *d = const_cast<QQuickRangeSliderNodePrivate *>(d_func()); - if (!d->handle) - d->executeHandle(); - return d->handle; -} - -void QQuickRangeSliderNode::setHandle(QQuickItem *handle) -{ - Q_D(QQuickRangeSliderNode); - if (d->handle == handle) - return; - - if (!d->handle.isExecuting()) - d->cancelHandle(); - - const qreal oldImplicitHandleWidth = implicitHandleWidth(); - const qreal oldImplicitHandleHeight = implicitHandleHeight(); - - QQuickControlPrivate::get(d->slider)->removeImplicitSizeListener(d->handle); - QQuickControlPrivate::hideOldItem(d->handle); - d->handle = handle; - - if (handle) { - if (!handle->parentItem()) - handle->setParentItem(d->slider); - - QQuickItem *firstHandle = QQuickRangeSliderNodePrivate::get(d->slider->first())->handle; - QQuickItem *secondHandle = QQuickRangeSliderNodePrivate::get(d->slider->second())->handle; - if (firstHandle && secondHandle) { - // The order of property assignments in QML is undefined, - // but we need the first handle to be before the second due - // to focus order constraints, so check for that here. - const QList<QQuickItem *> childItems = d->slider->childItems(); - const int firstIndex = childItems.indexOf(firstHandle); - const int secondIndex = childItems.indexOf(secondHandle); - if (firstIndex != -1 && secondIndex != -1 && firstIndex > secondIndex) { - firstHandle->stackBefore(secondHandle); - // Ensure we have some way of knowing which handle is above - // the other when it comes to mouse presses, and also that - // they are rendered in the correct order. - secondHandle->setZ(secondHandle->z() + 1); - } - } - - handle->setActiveFocusOnTab(true); - QQuickControlPrivate::get(d->slider)->addImplicitSizeListener(handle); - } - - if (!qFuzzyCompare(oldImplicitHandleWidth, implicitHandleWidth())) - emit implicitHandleWidthChanged(); - if (!qFuzzyCompare(oldImplicitHandleHeight, implicitHandleHeight())) - emit implicitHandleHeightChanged(); - if (!d->handle.isExecuting()) - emit handleChanged(); -} - -bool QQuickRangeSliderNode::isPressed() const -{ - Q_D(const QQuickRangeSliderNode); - return d->pressed; -} - -void QQuickRangeSliderNode::setPressed(bool pressed) -{ - Q_D(QQuickRangeSliderNode); - if (d->pressed == pressed) - return; - - d->pressed = pressed; - d->slider->setAccessibleProperty("pressed", pressed || d->slider->second()->isPressed()); - emit pressedChanged(); -} - -bool QQuickRangeSliderNode::isHovered() const -{ - Q_D(const QQuickRangeSliderNode); - return d->hovered; -} - -void QQuickRangeSliderNode::setHovered(bool hovered) -{ - Q_D(QQuickRangeSliderNode); - if (d->hovered == hovered) - return; - - d->hovered = hovered; - emit hoveredChanged(); -} - -qreal QQuickRangeSliderNode::implicitHandleWidth() const -{ - Q_D(const QQuickRangeSliderNode); - if (!d->handle) - return 0; - return d->handle->implicitWidth(); -} - -qreal QQuickRangeSliderNode::implicitHandleHeight() const -{ - Q_D(const QQuickRangeSliderNode); - if (!d->handle) - return 0; - return d->handle->implicitHeight(); -} - -void QQuickRangeSliderNode::increase() -{ - Q_D(QQuickRangeSliderNode); - qreal step = qFuzzyIsNull(d->slider->stepSize()) ? 0.1 : d->slider->stepSize(); - setValue(d->value + step); -} - -void QQuickRangeSliderNode::decrease() -{ - Q_D(QQuickRangeSliderNode); - qreal step = qFuzzyIsNull(d->slider->stepSize()) ? 0.1 : d->slider->stepSize(); - setValue(d->value - step); -} - -static const qreal defaultFrom = 0.0; -static const qreal defaultTo = 1.0; - -class QQuickRangeSliderPrivate : public QQuickControlPrivate -{ - Q_DECLARE_PUBLIC(QQuickRangeSlider) - -public: - QQuickRangeSliderNode *pressedNode(int touchId = -1) const; - -#if QT_CONFIG(quicktemplates2_multitouch) - bool acceptTouch(const QTouchEvent::TouchPoint &point) override; -#endif - void handlePress(const QPointF &point) override; - void handleMove(const QPointF &point) override; - void handleRelease(const QPointF &point) override; - void handleUngrab() override; - - void updateHover(const QPointF &pos); - - void itemImplicitWidthChanged(QQuickItem *item) override; - void itemImplicitHeightChanged(QQuickItem *item) override; - - bool live = true; - qreal from = defaultFrom; - qreal to = defaultTo; - qreal stepSize = 0; - qreal touchDragThreshold = -1; - QQuickRangeSliderNode *first = nullptr; - QQuickRangeSliderNode *second = nullptr; - QPointF pressPoint; - Qt::Orientation orientation = Qt::Horizontal; - QQuickRangeSlider::SnapMode snapMode = QQuickRangeSlider::NoSnap; -}; - -static qreal valueAt(const QQuickRangeSlider *slider, qreal position) -{ - return slider->from() + (slider->to() - slider->from()) * position; -} - -static qreal snapPosition(const QQuickRangeSlider *slider, qreal position) -{ - const qreal range = slider->to() - slider->from(); - if (qFuzzyIsNull(range)) - return position; - - const qreal effectiveStep = slider->stepSize() / range; - if (qFuzzyIsNull(effectiveStep)) - return position; - - return qRound(position / effectiveStep) * effectiveStep; -} - -static qreal positionAt(const QQuickRangeSlider *slider, QQuickItem *handle, const QPointF &point) -{ - if (slider->orientation() == Qt::Horizontal) { - const qreal hw = handle ? handle->width() : 0; - const qreal offset = hw / 2; - const qreal extent = slider->availableWidth() - hw; - if (!qFuzzyIsNull(extent)) { - if (slider->isMirrored()) - return (slider->width() - point.x() - slider->rightPadding() - offset) / extent; - return (point.x() - slider->leftPadding() - offset) / extent; - } - } else { - const qreal hh = handle ? handle->height() : 0; - const qreal offset = hh / 2; - const qreal extent = slider->availableHeight() - hh; - if (!qFuzzyIsNull(extent)) - return (slider->height() - point.y() - slider->bottomPadding() - offset) / extent; - } - return 0; -} - -QQuickRangeSliderNode *QQuickRangeSliderPrivate::pressedNode(int touchId) const -{ - if (touchId == -1) - return first->isPressed() ? first : (second->isPressed() ? second : nullptr); - if (QQuickRangeSliderNodePrivate::get(first)->touchId == touchId) - return first; - if (QQuickRangeSliderNodePrivate::get(second)->touchId == touchId) - return second; - return nullptr; -} - -#if QT_CONFIG(quicktemplates2_multitouch) -bool QQuickRangeSliderPrivate::acceptTouch(const QTouchEvent::TouchPoint &point) -{ - int firstId = QQuickRangeSliderNodePrivate::get(first)->touchId; - int secondId = QQuickRangeSliderNodePrivate::get(second)->touchId; - - if (((firstId == -1 || secondId == -1) && point.state() == QEventPoint::Pressed) || point.id() == firstId || point.id() == secondId) { - touchId = point.id(); - return true; - } - - return false; -} -#endif - -void QQuickRangeSliderPrivate::handlePress(const QPointF &point) -{ - Q_Q(QQuickRangeSlider); - QQuickControlPrivate::handlePress(point); - pressPoint = point; - - QQuickItem *firstHandle = first->handle(); - QQuickItem *secondHandle = second->handle(); - const bool firstHit = firstHandle && !first->isPressed() && firstHandle->contains(q->mapToItem(firstHandle, point)); - const bool secondHit = secondHandle && !second->isPressed() && secondHandle->contains(q->mapToItem(secondHandle, point)); - QQuickRangeSliderNode *hitNode = nullptr; - QQuickRangeSliderNode *otherNode = nullptr; - - if (firstHit && secondHit) { - // choose highest - hitNode = firstHandle->z() > secondHandle->z() ? first : second; - otherNode = firstHandle->z() > secondHandle->z() ? second : first; - } else if (firstHit) { - hitNode = first; - otherNode = second; - } else if (secondHit) { - hitNode = second; - otherNode = first; - } else { - // find the nearest - const qreal firstPos = positionAt(q, firstHandle, point); - const qreal secondPos = positionAt(q, secondHandle, point); - const qreal firstDistance = qAbs(firstPos - first->position()); - const qreal secondDistance = qAbs(secondPos - second->position()); - - if (qFuzzyCompare(firstDistance, secondDistance)) { - // same distance => choose the one that can be moved towards the press position - const bool inverted = from > to; - if ((!inverted && firstPos < first->position()) || (inverted && firstPos > first->position())) { - hitNode = first; - otherNode = second; - } else { - hitNode = second; - otherNode = first; - } - } else if (firstDistance < secondDistance) { - hitNode = first; - otherNode = second; - } else { - hitNode = second; - otherNode = first; - } - } - - if (hitNode) { - hitNode->setPressed(true); - if (QQuickItem *handle = hitNode->handle()) - handle->setZ(1); - QQuickRangeSliderNodePrivate::get(hitNode)->touchId = touchId; - } - if (otherNode) { - if (QQuickItem *handle = otherNode->handle()) - handle->setZ(0); - } -} - -void QQuickRangeSliderPrivate::handleMove(const QPointF &point) -{ - Q_Q(QQuickRangeSlider); - QQuickControlPrivate::handleMove(point); - QQuickRangeSliderNode *pressedNode = QQuickRangeSliderPrivate::pressedNode(touchId); - if (pressedNode) { - const qreal oldPos = pressedNode->position(); - qreal pos = positionAt(q, pressedNode->handle(), point); - if (snapMode == QQuickRangeSlider::SnapAlways) - pos = snapPosition(q, pos); - if (live) - pressedNode->setValue(valueAt(q, pos)); - else - QQuickRangeSliderNodePrivate::get(pressedNode)->setPosition(pos); - - if (!qFuzzyCompare(pressedNode->position(), oldPos)) - emit pressedNode->moved(); - } -} - -void QQuickRangeSliderPrivate::handleRelease(const QPointF &point) -{ - Q_Q(QQuickRangeSlider); - QQuickControlPrivate::handleRelease(point); - pressPoint = QPointF(); - - QQuickRangeSliderNode *pressedNode = QQuickRangeSliderPrivate::pressedNode(touchId); - if (!pressedNode) - return; - QQuickRangeSliderNodePrivate *pressedNodePrivate = QQuickRangeSliderNodePrivate::get(pressedNode); - - if (q->keepMouseGrab() || q->keepTouchGrab()) { - const qreal oldPos = pressedNode->position(); - qreal pos = positionAt(q, pressedNode->handle(), point); - if (snapMode != QQuickRangeSlider::NoSnap) - pos = snapPosition(q, pos); - qreal val = valueAt(q, pos); - if (!qFuzzyCompare(val, pressedNode->value())) - pressedNode->setValue(val); - else if (snapMode != QQuickRangeSlider::NoSnap) - pressedNodePrivate->setPosition(pos); - q->setKeepMouseGrab(false); - q->setKeepTouchGrab(false); - - if (!qFuzzyCompare(pressedNode->position(), oldPos)) - emit pressedNode->moved(); - } - pressedNode->setPressed(false); - pressedNodePrivate->touchId = -1; -} - -void QQuickRangeSliderPrivate::handleUngrab() -{ - QQuickControlPrivate::handleUngrab(); - pressPoint = QPointF(); - first->setPressed(false); - second->setPressed(false); - QQuickRangeSliderNodePrivate::get(first)->touchId = -1; - QQuickRangeSliderNodePrivate::get(second)->touchId = -1; -} - -void QQuickRangeSliderPrivate::updateHover(const QPointF &pos) -{ - Q_Q(QQuickRangeSlider); - QQuickItem *firstHandle = first->handle(); - QQuickItem *secondHandle = second->handle(); - first->setHovered(firstHandle && firstHandle->isEnabled() && firstHandle->contains(q->mapToItem(firstHandle, pos))); - second->setHovered(secondHandle && secondHandle->isEnabled() && secondHandle->contains(q->mapToItem(secondHandle, pos))); -} - -void QQuickRangeSliderPrivate::itemImplicitWidthChanged(QQuickItem *item) -{ - QQuickControlPrivate::itemImplicitWidthChanged(item); - if (item == first->handle()) - emit first->implicitHandleWidthChanged(); - else if (item == second->handle()) - emit second->implicitHandleWidthChanged(); -} - -void QQuickRangeSliderPrivate::itemImplicitHeightChanged(QQuickItem *item) -{ - QQuickControlPrivate::itemImplicitHeightChanged(item); - if (item == first->handle()) - emit first->implicitHandleHeightChanged(); - else if (item == second->handle()) - emit second->implicitHandleHeightChanged(); -} - -QQuickRangeSlider::QQuickRangeSlider(QQuickItem *parent) - : QQuickControl(*(new QQuickRangeSliderPrivate), parent) -{ - Q_D(QQuickRangeSlider); - d->first = new QQuickRangeSliderNode(0.0, this); - d->second = new QQuickRangeSliderNode(1.0, this); - - setFlag(QQuickItem::ItemIsFocusScope); - setAcceptedMouseButtons(Qt::LeftButton); -#if QT_CONFIG(quicktemplates2_multitouch) - setAcceptTouchEvents(true); -#endif -#if QT_CONFIG(cursor) - setCursor(Qt::ArrowCursor); -#endif -} - -QQuickRangeSlider::~QQuickRangeSlider() -{ - Q_D(QQuickRangeSlider); - d->removeImplicitSizeListener(d->first->handle()); - d->removeImplicitSizeListener(d->second->handle()); -} - -/*! - \qmlproperty real QtQuick.Controls::RangeSlider::from - - This property holds the starting value for the range. The default value is \c 0.0. - - \sa to, first.value, second.value -*/ -qreal QQuickRangeSlider::from() const -{ - Q_D(const QQuickRangeSlider); - return d->from; -} - -void QQuickRangeSlider::setFrom(qreal from) -{ - Q_D(QQuickRangeSlider); - if (qFuzzyCompare(d->from, from)) - return; - - d->from = from; - emit fromChanged(); - - if (isComponentComplete()) { - d->first->setValue(d->first->value()); - d->second->setValue(d->second->value()); - } -} - -/*! - \qmlproperty real QtQuick.Controls::RangeSlider::to - - This property holds the end value for the range. The default value is \c 1.0. - - \sa from, first.value, second.value -*/ -qreal QQuickRangeSlider::to() const -{ - Q_D(const QQuickRangeSlider); - return d->to; -} - -void QQuickRangeSlider::setTo(qreal to) -{ - Q_D(QQuickRangeSlider); - if (qFuzzyCompare(d->to, to)) - return; - - d->to = to; - emit toChanged(); - - if (isComponentComplete()) { - d->first->setValue(d->first->value()); - d->second->setValue(d->second->value()); - } -} - -/*! - \since QtQuick.Controls 2.5 (Qt 5.12) - \qmlproperty qreal QtQuick.Controls::RangeSlider::touchDragThreshold - - This property holds the threshold (in logical pixels) at which a touch drag event will be initiated. - The mouse drag threshold won't be affected. - The default value is \c Qt.styleHints.startDragDistance. - - \sa QStyleHints - -*/ -qreal QQuickRangeSlider::touchDragThreshold() const -{ - Q_D(const QQuickRangeSlider); - return d->touchDragThreshold; -} - -void QQuickRangeSlider::setTouchDragThreshold(qreal touchDragThreshold) -{ - Q_D(QQuickRangeSlider); - if (d->touchDragThreshold == touchDragThreshold) - return; - - d->touchDragThreshold = touchDragThreshold; - emit touchDragThresholdChanged(); -} - -void QQuickRangeSlider::resetTouchDragThreshold() -{ - setTouchDragThreshold(-1); -} - -/*! - \since QtQuick.Controls 2.5 (Qt 5.12) - \qmlmethod real QtQuick.Controls::RangeSlider::valueAt(real position) - - Returns the value for the given \a position. - - \sa first.value, second.value, first.position, second.position, live -*/ -qreal QQuickRangeSlider::valueAt(qreal position) const -{ - Q_D(const QQuickRangeSlider); - const qreal value = (d->to - d->from) * position; - if (qFuzzyIsNull(d->stepSize)) - return d->from + value; - return d->from + qRound(value / d->stepSize) * d->stepSize; -} - -/*! - \qmlpropertygroup QtQuick.Controls::RangeSlider::first - \qmlproperty real QtQuick.Controls::RangeSlider::first.value - \qmlproperty real QtQuick.Controls::RangeSlider::first.position - \qmlproperty real QtQuick.Controls::RangeSlider::first.visualPosition - \qmlproperty Item QtQuick.Controls::RangeSlider::first.handle - \qmlproperty bool QtQuick.Controls::RangeSlider::first.pressed - \qmlproperty bool QtQuick.Controls::RangeSlider::first.hovered - \qmlproperty real QtQuick.Controls::RangeSlider::first.implicitHandleWidth - \qmlproperty real QtQuick.Controls::RangeSlider::first.implicitHandleHeight - - \table - \header - \li Property - \li Description - \row - \li value - \li This property holds the value of the first handle in the range - \c from - \c to. - - If \l from is greater than \l to, the value of the first handle - must be greater than the second, and vice versa. - - The default value is \c 0.0. - \row - \li handle - \li This property holds the first handle item. - \row - \li visualPosition - \li This property holds the visual position of the first handle. - - The position is expressed as a fraction of the control's size, in the range - \c {0.0 - 1.0}. When the control is \l {Control::mirrored}{mirrored}, the - value is equal to \c {1.0 - position}. This makes the value suitable for - visualizing the slider, taking right-to-left support into account. - \row - \li position - \li This property holds the logical position of the first handle. - - The position is expressed as a fraction of the control's size, in the range - \c {0.0 - 1.0}. For visualizing a slider, the right-to-left aware - \l {first.visualPosition}{visualPosition} should be used instead. - \row - \li pressed - \li This property holds whether the first handle is pressed by either touch, - mouse, or keys. - \row - \li hovered - \li This property holds whether the first handle is hovered. - This property was introduced in QtQuick.Controls 2.1. - \row - \li implicitHandleWidth - \li This property holds the implicit width of the first handle. - This property was introduced in QtQuick.Controls 2.5. - \row - \li implicitHandleHeight - \li This property holds the implicit height of the first handle. - This property was introduced in QtQuick.Controls 2.5. - \endtable - - \sa first.moved(), first.increase(), first.decrease() -*/ -QQuickRangeSliderNode *QQuickRangeSlider::first() const -{ - Q_D(const QQuickRangeSlider); - return d->first; -} - -/*! - \qmlsignal void QtQuick.Controls::RangeSlider::first.moved() - \qmlsignal void QtQuick.Controls::RangeSlider::second.moved() - \since QtQuick.Controls 2.5 - - This signal is emitted when either the first or second handle has been - interactively moved by the user by either touch, mouse, or keys. - - \sa first, second -*/ - -/*! - \qmlpropertygroup QtQuick.Controls::RangeSlider::second - \qmlproperty real QtQuick.Controls::RangeSlider::second.value - \qmlproperty real QtQuick.Controls::RangeSlider::second.position - \qmlproperty real QtQuick.Controls::RangeSlider::second.visualPosition - \qmlproperty Item QtQuick.Controls::RangeSlider::second.handle - \qmlproperty bool QtQuick.Controls::RangeSlider::second.pressed - \qmlproperty bool QtQuick.Controls::RangeSlider::second.hovered - \qmlproperty real QtQuick.Controls::RangeSlider::second.implicitHandleWidth - \qmlproperty real QtQuick.Controls::RangeSlider::second.implicitHandleHeight - - \table - \header - \li Property - \li Description - \row - \li value - \li This property holds the value of the second handle in the range - \c from - \c to. - - If \l from is greater than \l to, the value of the first handle - must be greater than the second, and vice versa. - - The default value is \c 0.0. - \row - \li handle - \li This property holds the second handle item. - \row - \li visualPosition - \li This property holds the visual position of the second handle. - - The position is expressed as a fraction of the control's size, in the range - \c {0.0 - 1.0}. When the control is \l {Control::mirrored}{mirrored}, the - value is equal to \c {1.0 - position}. This makes the value suitable for - visualizing the slider, taking right-to-left support into account. - \row - \li position - \li This property holds the logical position of the second handle. - - The position is expressed as a fraction of the control's size, in the range - \c {0.0 - 1.0}. For visualizing a slider, the right-to-left aware - \l {second.visualPosition}{visualPosition} should be used instead. - \row - \li pressed - \li This property holds whether the second handle is pressed by either touch, - mouse, or keys. - \row - \li hovered - \li This property holds whether the second handle is hovered. - This property was introduced in QtQuick.Controls 2.1. - \row - \li implicitHandleWidth - \li This property holds the implicit width of the second handle. - This property was introduced in QtQuick.Controls 2.5. - \row - \li implicitHandleHeight - \li This property holds the implicit height of the second handle. - This property was introduced in QtQuick.Controls 2.5. - \endtable - - \sa second.moved(), second.increase(), second.decrease() -*/ -QQuickRangeSliderNode *QQuickRangeSlider::second() const -{ - Q_D(const QQuickRangeSlider); - return d->second; -} - -/*! - \qmlproperty real QtQuick.Controls::RangeSlider::stepSize - - This property holds the step size. The default value is \c 0.0. - - \sa snapMode, first.increase(), first.decrease() -*/ -qreal QQuickRangeSlider::stepSize() const -{ - Q_D(const QQuickRangeSlider); - return d->stepSize; -} - -void QQuickRangeSlider::setStepSize(qreal step) -{ - Q_D(QQuickRangeSlider); - if (qFuzzyCompare(d->stepSize, step)) - return; - - d->stepSize = step; - emit stepSizeChanged(); -} - -/*! - \qmlproperty enumeration QtQuick.Controls::RangeSlider::snapMode - - This property holds the snap mode. - - The snap mode determines how the slider handles behave with - regards to the \l stepSize. - - Possible values: - \value RangeSlider.NoSnap The slider does not snap (default). - \value RangeSlider.SnapAlways The slider snaps while the handle is dragged. - \value RangeSlider.SnapOnRelease The slider does not snap while being dragged, but only after the handle is released. - - For visual explanations of the various modes, see the - \l {Slider::}{snapMode} documentation of \l Slider. - - \sa stepSize -*/ -QQuickRangeSlider::SnapMode QQuickRangeSlider::snapMode() const -{ - Q_D(const QQuickRangeSlider); - return d->snapMode; -} - -void QQuickRangeSlider::setSnapMode(SnapMode mode) -{ - Q_D(QQuickRangeSlider); - if (d->snapMode == mode) - return; - - d->snapMode = mode; - emit snapModeChanged(); -} - -/*! - \qmlproperty enumeration QtQuick.Controls::RangeSlider::orientation - - This property holds the orientation. - - Possible values: - \value Qt.Horizontal Horizontal (default) - \value Qt.Vertical Vertical - - \sa horizontal, vertical -*/ -Qt::Orientation QQuickRangeSlider::orientation() const -{ - Q_D(const QQuickRangeSlider); - return d->orientation; -} - -void QQuickRangeSlider::setOrientation(Qt::Orientation orientation) -{ - Q_D(QQuickRangeSlider); - if (d->orientation == orientation) - return; - - d->orientation = orientation; - emit orientationChanged(); -} - -/*! - \qmlmethod void QtQuick.Controls::RangeSlider::setValues(real firstValue, real secondValue) - - Sets \l first.value and \l second.value with the given arguments. - - If \l to is larger than \l from and \a firstValue is larger than - \a secondValue, firstValue will be clamped to secondValue. - - If \l from is larger than \l to and secondValue is larger than - firstValue, secondValue will be clamped to firstValue. - - This function may be necessary to set the first and second values - after the control has been completed, as there is a circular - dependency between firstValue and secondValue which can cause - assigned values to be clamped to each other. - - \sa stepSize -*/ -void QQuickRangeSlider::setValues(qreal firstValue, qreal secondValue) -{ - Q_D(QQuickRangeSlider); - // Restrict the values to be within to and from. - const qreal smaller = qMin(d->to, d->from); - const qreal larger = qMax(d->to, d->from); - firstValue = qBound(smaller, firstValue, larger); - secondValue = qBound(smaller, secondValue, larger); - - if (d->from > d->to) { - // If the from and to values are reversed, the secondValue - // might be less than the first value, which is not allowed. - if (secondValue > firstValue) - secondValue = firstValue; - } else { - // Otherwise, clamp first to second if it's too large. - if (firstValue > secondValue) - firstValue = secondValue; - } - - // Then set both values. If they didn't change, no change signal will be emitted. - QQuickRangeSliderNodePrivate *firstPrivate = QQuickRangeSliderNodePrivate::get(d->first); - if (firstValue != firstPrivate->value) { - firstPrivate->value = firstValue; - emit d->first->valueChanged(); - } - - QQuickRangeSliderNodePrivate *secondPrivate = QQuickRangeSliderNodePrivate::get(d->second); - if (secondValue != secondPrivate->value) { - secondPrivate->value = secondValue; - emit d->second->valueChanged(); - } - - // After we've set both values, then we can update the positions. - // If we don't do this last, the positions may be incorrect. - firstPrivate->updatePosition(true); - secondPrivate->updatePosition(); -} - -/*! - \since QtQuick.Controls 2.2 (Qt 5.9) - \qmlproperty bool QtQuick.Controls::RangeSlider::live - - This property holds whether the slider provides live updates for the \l first.value - and \l second.value properties while the respective handles are dragged. - - The default value is \c true. - - \sa first.value, second.value -*/ -bool QQuickRangeSlider::live() const -{ - Q_D(const QQuickRangeSlider); - return d->live; -} - -void QQuickRangeSlider::setLive(bool live) -{ - Q_D(QQuickRangeSlider); - if (d->live == live) - return; - - d->live = live; - emit liveChanged(); -} - -/*! - \since QtQuick.Controls 2.3 (Qt 5.10) - \qmlproperty bool QtQuick.Controls::RangeSlider::horizontal - \readonly - - This property holds whether the slider is horizontal. - - \sa orientation -*/ -bool QQuickRangeSlider::isHorizontal() const -{ - Q_D(const QQuickRangeSlider); - return d->orientation == Qt::Horizontal; -} - -/*! - \since QtQuick.Controls 2.3 (Qt 5.10) - \qmlproperty bool QtQuick.Controls::RangeSlider::vertical - \readonly - - This property holds whether the slider is vertical. - - \sa orientation -*/ -bool QQuickRangeSlider::isVertical() const -{ - Q_D(const QQuickRangeSlider); - return d->orientation == Qt::Vertical; -} - -void QQuickRangeSlider::focusInEvent(QFocusEvent *event) -{ - Q_D(QQuickRangeSlider); - QQuickControl::focusInEvent(event); - - // The active focus ends up to RangeSlider when using forceActiveFocus() - // or QML KeyNavigation. We must forward the focus to one of the handles, - // because RangeSlider handles key events for the focused handle. If - // neither handle has active focus, RangeSlider doesn't do anything. - QQuickItem *handle = nextItemInFocusChain(); - // QQuickItem::nextItemInFocusChain() only works as desired with - // Qt::TabFocusAllControls. otherwise pick the first handle - if (!handle || handle == this) - handle = d->first->handle(); - if (handle) - handle->forceActiveFocus(event->reason()); -} - -void QQuickRangeSlider::keyPressEvent(QKeyEvent *event) -{ - Q_D(QQuickRangeSlider); - QQuickControl::keyPressEvent(event); - - QQuickRangeSliderNode *focusNode = d->first->handle()->hasActiveFocus() - ? d->first : (d->second->handle()->hasActiveFocus() ? d->second : nullptr); - if (!focusNode) - return; - - const qreal oldValue = focusNode->value(); - if (d->orientation == Qt::Horizontal) { - if (event->key() == Qt::Key_Left) { - focusNode->setPressed(true); - if (isMirrored()) - focusNode->increase(); - else - focusNode->decrease(); - event->accept(); - } else if (event->key() == Qt::Key_Right) { - focusNode->setPressed(true); - if (isMirrored()) - focusNode->decrease(); - else - focusNode->increase(); - event->accept(); - } - } else { - if (event->key() == Qt::Key_Up) { - focusNode->setPressed(true); - focusNode->increase(); - event->accept(); - } else if (event->key() == Qt::Key_Down) { - focusNode->setPressed(true); - focusNode->decrease(); - event->accept(); - } - } - if (!qFuzzyCompare(focusNode->value(), oldValue)) - emit focusNode->moved(); -} - -void QQuickRangeSlider::hoverEnterEvent(QHoverEvent *event) -{ - Q_D(QQuickRangeSlider); - QQuickControl::hoverEnterEvent(event); - d->updateHover(event->position()); -} - -void QQuickRangeSlider::hoverMoveEvent(QHoverEvent *event) -{ - Q_D(QQuickRangeSlider); - QQuickControl::hoverMoveEvent(event); - d->updateHover(event->position()); -} - -void QQuickRangeSlider::hoverLeaveEvent(QHoverEvent *event) -{ - Q_D(QQuickRangeSlider); - QQuickControl::hoverLeaveEvent(event); - d->first->setHovered(false); - d->second->setHovered(false); -} - -void QQuickRangeSlider::keyReleaseEvent(QKeyEvent *event) -{ - Q_D(QQuickRangeSlider); - QQuickControl::keyReleaseEvent(event); - d->first->setPressed(false); - d->second->setPressed(false); -} - -void QQuickRangeSlider::mousePressEvent(QMouseEvent *event) -{ - Q_D(QQuickRangeSlider); - QQuickControl::mousePressEvent(event); - d->handleMove(event->position()); - setKeepMouseGrab(true); -} - -#if QT_CONFIG(quicktemplates2_multitouch) -void QQuickRangeSlider::touchEvent(QTouchEvent *event) -{ - Q_D(QQuickRangeSlider); - switch (event->type()) { - case QEvent::TouchUpdate: - for (const QTouchEvent::TouchPoint &point : event->points()) { - if (!d->acceptTouch(point)) - continue; - - switch (point.state()) { - case QEventPoint::Pressed: - d->handlePress(point.position()); - break; - case QEventPoint::Updated: - if (!keepTouchGrab()) { - if (d->orientation == Qt::Horizontal) - setKeepTouchGrab(QQuickWindowPrivate::dragOverThreshold(point.position().x() - point.pressPosition().x(), Qt::XAxis, &point, qRound(d->touchDragThreshold))); - else - setKeepTouchGrab(QQuickWindowPrivate::dragOverThreshold(point.position().y() - point.pressPosition().y(), Qt::YAxis, &point, qRound(d->touchDragThreshold))); - } - if (keepTouchGrab()) - d->handleMove(point.position()); - break; - case QEventPoint::Released: - d->handleRelease(point.position()); - break; - default: - break; - } - } - break; - - default: - QQuickControl::touchEvent(event); - break; - } -} -#endif - -void QQuickRangeSlider::mirrorChange() -{ - Q_D(QQuickRangeSlider); - QQuickControl::mirrorChange(); - emit d->first->visualPositionChanged(); - emit d->second->visualPositionChanged(); -} - -void QQuickRangeSlider::classBegin() -{ - Q_D(QQuickRangeSlider); - QQuickControl::classBegin(); - - QQmlContext *context = qmlContext(this); - if (context) { - QQmlEngine::setContextForObject(d->first, context); - QQmlEngine::setContextForObject(d->second, context); - } -} - -void QQuickRangeSlider::componentComplete() -{ - Q_D(QQuickRangeSlider); - QQuickRangeSliderNodePrivate *firstPrivate = QQuickRangeSliderNodePrivate::get(d->first); - QQuickRangeSliderNodePrivate *secondPrivate = QQuickRangeSliderNodePrivate::get(d->second); - firstPrivate->executeHandle(true); - secondPrivate->executeHandle(true); - - QQuickControl::componentComplete(); - - if (firstPrivate->isPendingValue || secondPrivate->isPendingValue - || !qFuzzyCompare(d->from, defaultFrom) || !qFuzzyCompare(d->to, defaultTo)) { - // Properties were set while we were loading. To avoid clamping issues that occur when setting the - // values of first and second overriding values set by the user, set them all at once at the end. - // Another reason that we must set these values here is that the from and to values might have made the old range invalid. - setValues(firstPrivate->isPendingValue ? firstPrivate->pendingValue : firstPrivate->value, - secondPrivate->isPendingValue ? secondPrivate->pendingValue : secondPrivate->value); - - firstPrivate->pendingValue = 0; - firstPrivate->isPendingValue = false; - secondPrivate->pendingValue = 0; - secondPrivate->isPendingValue = false; - } else { - // If there was no pending data, we must still update the positions, - // as first.setValue()/second.setValue() won't be called as part of default construction. - // Don't need to ignore the second position when updating the first position here, - // as our default values are guaranteed to be valid. - firstPrivate->updatePosition(); - secondPrivate->updatePosition(); - } -} - -/*! - \qmlmethod void QtQuick.Controls::RangeSlider::first.increase() - - Increases the value of the handle by stepSize, or \c 0.1 if stepSize is not defined. - - \sa first -*/ - -/*! - \qmlmethod void QtQuick.Controls::RangeSlider::first.decrease() - - Decreases the value of the handle by stepSize, or \c 0.1 if stepSize is not defined. - - \sa first -*/ - -/*! - \qmlmethod void QtQuick.Controls::RangeSlider::second.increase() - - Increases the value of the handle by stepSize, or \c 0.1 if stepSize is not defined. - - \sa second -*/ - -/*! - \qmlmethod void QtQuick.Controls::RangeSlider::second.decrease() - - Decreases the value of the handle by stepSize, or \c 0.1 if stepSize is not defined. - - \sa second -*/ - -#if QT_CONFIG(accessibility) -QAccessible::Role QQuickRangeSlider::accessibleRole() const -{ - return QAccessible::Slider; -} -#endif - -QT_END_NAMESPACE |