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Diffstat (limited to 'src/templates/qquickrangeslider.cpp')
| -rw-r--r-- | src/templates/qquickrangeslider.cpp | 949 |
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diff --git a/src/templates/qquickrangeslider.cpp b/src/templates/qquickrangeslider.cpp deleted file mode 100644 index 69529f65..00000000 --- a/src/templates/qquickrangeslider.cpp +++ /dev/null @@ -1,949 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the Qt Labs Templates 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 <QtCore/qscopedpointer.h> -#include <QtQuick/private/qquickwindow_p.h> - -QT_BEGIN_NAMESPACE - -/*! - \qmltype RangeSlider - \inherits Control - \instantiates QQuickRangeSlider - \inqmlmodule Qt.labs.controls - \ingroup qtlabscontrols-input - \brief A slider control used to select a range of values. - - \image qtlabscontrols-rangeslider.gif - - RangeSlider is used to select a range specified by two values, by sliding - each handle along a track. - - \table - \row \li \image qtlabscontrols-rangeslider-normal.png - \li A range slider in its normal state. - \row \li \image qtlabscontrols-rangeslider-first-handle-focused.png - \li A range slider whose first handle has active focus. - \row \li \image qtlabscontrols-rangeslider-second-handle-focused.png - \li A range slider whose second handle has active focus. - \row \li \image qtlabscontrols-rangeslider-disabled.png - \li A range slider that is disabled. - \endtable - - \code - RangeSlider { - first.value: 0.25 - second.value: 0.75 - } - \endcode - - \labs - - \sa {Customizing RangeSlider}, {Input Controls} -*/ - -class QQuickRangeSliderNodePrivate : public QObjectPrivate -{ - Q_DECLARE_PUBLIC(QQuickRangeSliderNode) -public: - QQuickRangeSliderNodePrivate(qreal value, QQuickRangeSlider *slider) : - value(value), - isPendingValue(false), - pendingValue(0), - position(0), - handle(Q_NULLPTR), - slider(slider), - pressed(false) - { - } - - bool isFirst() const; - - void setPosition(qreal position, bool ignoreOtherPosition = false); - void updatePosition(bool ignoreOtherPosition = false); - - static QQuickRangeSliderNodePrivate *get(QQuickRangeSliderNode *node); - -private: - friend class QQuickRangeSlider; - - qreal value; - bool isPendingValue; - qreal pendingValue; - qreal position; - QQuickItem *handle; - QQuickRangeSlider *slider; - bool pressed; -}; - -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); -} - -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 -{ - Q_D(const QQuickRangeSliderNode); - return d->handle; -} - -void QQuickRangeSliderNode::setHandle(QQuickItem *handle) -{ - Q_D(QQuickRangeSliderNode); - if (d->handle != handle) { - delete d->handle; - d->handle = handle; - if (handle) { - if (!handle->parentItem()) - handle->setParentItem(d->slider); - - QQuickItem *firstHandle = d->slider->first()->handle(); - QQuickItem *secondHandle = 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); - } - 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) { - d->pressed = pressed; - d->slider->setAccessibleProperty("pressed", pressed || d->slider->second()->isPressed()); - emit pressedChanged(); - } -} - -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: - QQuickRangeSliderPrivate() : - from(defaultFrom), - to(defaultTo), - stepSize(0), - first(Q_NULLPTR), - second(Q_NULLPTR), - orientation(Qt::Horizontal), - snapMode(QQuickRangeSlider::NoSnap), - track(Q_NULLPTR) - { - } - - qreal from; - qreal to; - qreal stepSize; - QQuickRangeSliderNode *first; - QQuickRangeSliderNode *second; - QPoint pressPoint; - Qt::Orientation orientation; - QQuickRangeSlider::SnapMode snapMode; - QQuickItem *track; -}; - -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->from() + (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 QPoint &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; -} - -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); - - setAcceptedMouseButtons(Qt::LeftButton); - setFlag(QQuickItem::ItemIsFocusScope); -} - -/*! - \qmlproperty real Qt.labs.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 Qt.labs.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()); - } -} - -/*! - \qmlpropertygroup Qt.labs.controls::RangeSlider::first - \qmlproperty real Qt.labs.controls::RangeSlider::first.value - \qmlproperty real Qt.labs.controls::RangeSlider::first.position - \qmlproperty real Qt.labs.controls::RangeSlider::first.visualPosition - \qmlproperty Item Qt.labs.controls::RangeSlider::first.handle - \qmlproperty bool Qt.labs.controls::RangeSlider::first.pressed - - \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 to is greater than \l from, the value of the first handle - must be greater than the second, and vice versa. - - Unlike \l {first.position}{position}, value is not updated while the - handle is dragged, but rather when it has been released. - - 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 defined as a percentage of the control's size, scaled to - \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 defined as a percentage of the control's size, scaled - to \c {0.0 - 1.0}. Unlike \l {first.value}{value}, position is - continuously updated while the handle is dragged. 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. - \endtable - - \sa first.increase(), first.decrease() -*/ -QQuickRangeSliderNode *QQuickRangeSlider::first() const -{ - Q_D(const QQuickRangeSlider); - return d->first; -} - -/*! - \qmlpropertygroup Qt.labs.controls::RangeSlider::second - \qmlproperty real Qt.labs.controls::RangeSlider::second.value - \qmlproperty real Qt.labs.controls::RangeSlider::second.position - \qmlproperty real Qt.labs.controls::RangeSlider::second.visualPosition - \qmlproperty Item Qt.labs.controls::RangeSlider::second.handle - \qmlproperty bool Qt.labs.controls::RangeSlider::second.pressed - - \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 to is greater than \l from, the value of the first handle - must be greater than the second, and vice versa. - - Unlike \l {second.position}{position}, value is not updated while the - handle is dragged, but rather when it has been released. - - 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 defined as a percentage of the control's size, scaled to - \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 defined as a percentage of the control's size, scaled - to \c {0.0 - 1.0}. Unlike \l {second.value}{value}, position is - continuously updated while the handle is dragged. 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. - \endtable - - \sa second.increase(), second.decrease() -*/ -QQuickRangeSliderNode *QQuickRangeSlider::second() const -{ - Q_D(const QQuickRangeSlider); - return d->second; -} - -/*! - \qmlproperty real Qt.labs.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)) { - d->stepSize = step; - emit stepSizeChanged(); - } -} - -/*! - \qmlproperty enumeration Qt.labs.controls::RangeSlider::snapMode - - This property holds the snap mode. - - 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. - - \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) { - d->snapMode = mode; - emit snapModeChanged(); - } -} - -/*! - \qmlproperty enumeration Qt.labs.controls::RangeSlider::orientation - - This property holds the orientation. - - Possible values: - \value Qt.Horizontal Horizontal (default) - \value Qt.Vertical 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) { - d->orientation = orientation; - emit orientationChanged(); - } -} - -/*! - \qmlproperty Item Qt.labs.controls::RangeSlider::track - - This property holds the track item. - - \sa {Customizing Slider} -*/ -QQuickItem *QQuickRangeSlider::track() const -{ - Q_D(const QQuickRangeSlider); - return d->track; -} - -void QQuickRangeSlider::setTrack(QQuickItem *track) -{ - Q_D(QQuickRangeSlider); - if (d->track != track) { - delete d->track; - d->track = track; - if (track && !track->parentItem()) - track->setParentItem(this); - emit trackChanged(); - } -} - -/*! - \qmlmethod void Qt.labs.controls::RangeSlider::setValues(real firstValue, real secondValue) - - Sets \l first.value and \l second.value with the given arguments. - - If \a to is larger than \a from and \a firstValue is larger than - \a secondValue, \a firstValue will be clamped to \a secondValue. - - If \a from is larger than \a to and \a secondValue is larger than - \a firstValue, \a secondValue will be clamped to \a 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(); -} - -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 : Q_NULLPTR); - if (!focusNode) - return; - - 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(); - } - } -} - -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->pressPoint = event->pos(); - - QQuickItem *firstHandle = d->first->handle(); - QQuickItem *secondHandle = d->second->handle(); - const bool firstHit = firstHandle && firstHandle->contains(mapToItem(firstHandle, d->pressPoint)); - const bool secondHit = secondHandle && secondHandle->contains(mapToItem(secondHandle, d->pressPoint)); - QQuickRangeSliderNode *hitNode = Q_NULLPTR; - QQuickRangeSliderNode *otherNode = Q_NULLPTR; - - if (firstHit && secondHit) { - // choose highest - hitNode = firstHandle->z() > secondHandle->z() ? d->first : d->second; - otherNode = firstHandle->z() > secondHandle->z() ? d->second : d->first; - } else if (firstHit) { - hitNode = d->first; - otherNode = d->second; - } else if (secondHit) { - hitNode = d->second; - otherNode = d->first; - } else { - // find the nearest - const qreal firstDistance = QLineF(firstHandle->boundingRect().center(), - mapToItem(firstHandle, event->pos())).length(); - const qreal secondDistance = QLineF(secondHandle->boundingRect().center(), - mapToItem(secondHandle, event->pos())).length(); - - if (qFuzzyCompare(firstDistance, secondDistance)) { - // same distance => choose the one that can be moved towards the press position - const bool inverted = d->from > d->to; - const qreal pos = positionAt(this, firstHandle, event->pos()); - if ((!inverted && pos < d->first->position()) || (inverted && pos > d->first->position())) { - hitNode = d->first; - otherNode = d->second; - } else { - hitNode = d->second; - otherNode = d->first; - } - } else if (firstDistance < secondDistance) { - hitNode = d->first; - otherNode = d->second; - } else { - hitNode = d->second; - otherNode = d->first; - } - } - - if (hitNode) { - hitNode->setPressed(true); - hitNode->handle()->setZ(1); - } - if (otherNode) - otherNode->handle()->setZ(0); -} - -void QQuickRangeSlider::mouseMoveEvent(QMouseEvent *event) -{ - Q_D(QQuickRangeSlider); - QQuickControl::mouseMoveEvent(event); - if (!keepMouseGrab()) { - if (d->orientation == Qt::Horizontal) - setKeepMouseGrab(QQuickWindowPrivate::dragOverThreshold(event->pos().x() - d->pressPoint.x(), Qt::XAxis, event)); - else - setKeepMouseGrab(QQuickWindowPrivate::dragOverThreshold(event->pos().y() - d->pressPoint.y(), Qt::YAxis, event)); - } - if (keepMouseGrab()) { - QQuickRangeSliderNode *pressedNode = d->first->isPressed() ? d->first : (d->second->isPressed() ? d->second : Q_NULLPTR); - if (pressedNode) { - qreal pos = positionAt(this, pressedNode->handle(), event->pos()); - if (d->snapMode == SnapAlways) - pos = snapPosition(this, pos); - QQuickRangeSliderNodePrivate::get(pressedNode)->setPosition(pos); - } - } -} - -void QQuickRangeSlider::mouseReleaseEvent(QMouseEvent *event) -{ - Q_D(QQuickRangeSlider); - QQuickControl::mouseReleaseEvent(event); - - d->pressPoint = QPoint(); - if (!keepMouseGrab()) - return; - - QQuickRangeSliderNode *pressedNode = d->first->isPressed() ? d->first : (d->second->isPressed() ? d->second : Q_NULLPTR); - if (!pressedNode) - return; - - qreal pos = positionAt(this, pressedNode->handle(), event->pos()); - if (d->snapMode != NoSnap) - pos = snapPosition(this, pos); - qreal val = valueAt(this, pos); - if (!qFuzzyCompare(val, pressedNode->value())) - pressedNode->setValue(val); - else if (d->snapMode != NoSnap) - QQuickRangeSliderNodePrivate::get(pressedNode)->setPosition(pos); - setKeepMouseGrab(false); - pressedNode->setPressed(false); -} - -void QQuickRangeSlider::mouseUngrabEvent() -{ - Q_D(QQuickRangeSlider); - QQuickControl::mouseUngrabEvent(); - d->pressPoint = QPoint(); - d->first->setPressed(false); - d->second->setPressed(false); -} - -void QQuickRangeSlider::mirrorChange() -{ - Q_D(QQuickRangeSlider); - QQuickControl::mirrorChange(); - emit d->first->visualPositionChanged(); - emit d->second->visualPositionChanged(); -} - -void QQuickRangeSlider::componentComplete() -{ - Q_D(QQuickRangeSlider); - QQuickControl::componentComplete(); - - QQuickRangeSliderNodePrivate *firstPrivate = QQuickRangeSliderNodePrivate::get(d->first); - QQuickRangeSliderNodePrivate *secondPrivate = QQuickRangeSliderNodePrivate::get(d->second); - - 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 Qt.labs.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 Qt.labs.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 Qt.labs.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 Qt.labs.controls::RangeSlider::second.decrease() - - Decreases the value of the handle by stepSize, or \c 0.1 if stepSize is not defined. - - \sa second -*/ - -#ifndef QT_NO_ACCESSIBILITY -QAccessible::Role QQuickRangeSlider::accessibleRole() const -{ - return QAccessible::Slider; -} -#endif - -QT_END_NAMESPACE |