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Diffstat (limited to 'src/quickcontrols2/universal/impl/qquickuniversalprogressbar.cpp')
| -rw-r--r-- | src/quickcontrols2/universal/impl/qquickuniversalprogressbar.cpp | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/src/quickcontrols2/universal/impl/qquickuniversalprogressbar.cpp b/src/quickcontrols2/universal/impl/qquickuniversalprogressbar.cpp deleted file mode 100644 index 8f907b75..00000000 --- a/src/quickcontrols2/universal/impl/qquickuniversalprogressbar.cpp +++ /dev/null @@ -1,338 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the Qt Quick Controls 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 "qquickuniversalprogressbar_p.h" - -#include <QtCore/qmath.h> -#include <QtCore/qeasingcurve.h> -#include <QtQuick/private/qquickitem_p.h> -#include <QtQuick/private/qsgadaptationlayer_p.h> -#include <QtQuick/qsgrectanglenode.h> -#include <QtQuickControls2Impl/private/qquickanimatednode_p.h> - -QT_BEGIN_NAMESPACE - -static const int PhaseCount = 4; -static const int EllipseCount = 5; -static const int Interval = 167; -static const int TotalDuration = 3917; -static const int VisibleDuration = 3000; -static const qreal EllipseDiameter = 4; -static const qreal EllipseOffset = 4; -static const qreal ContainerAnimationStartPosition = -34; // absolute -static const qreal ContainerAnimationEndPosition = 0.435222; // relative -static const qreal EllipseAnimationWellPosition = 0.333333333333333; // relative -static const qreal EllipseAnimationEndPosition = 0.666666666666667; // relative - -class QQuickUniversalProgressBarNode : public QQuickAnimatedNode -{ -public: - QQuickUniversalProgressBarNode(QQuickUniversalProgressBar *item); - - void updateCurrentTime(int time) override; - void sync(QQuickItem *item) override; - -private: - struct Phase { - Phase() = default; - Phase(int d, qreal f, qreal t) : duration(d), from(f), to(t) { } - int duration = 0; - qreal from = 0; - qreal to = 0; - }; - - bool m_indeterminate = false; - Phase m_borderPhases[PhaseCount]; - Phase m_ellipsePhases[PhaseCount]; -}; - -QQuickUniversalProgressBarNode::QQuickUniversalProgressBarNode(QQuickUniversalProgressBar *item) - : QQuickAnimatedNode(item) -{ - setLoopCount(Infinite); - setDuration(TotalDuration); - - m_borderPhases[0] = Phase( 500, -50, 0); - m_borderPhases[1] = Phase(1500, 0, 0); - m_borderPhases[2] = Phase(1000, 0, 100); - m_borderPhases[3] = Phase( 917, 100, 100); - - m_ellipsePhases[0] = Phase(1000, 0, EllipseAnimationWellPosition); - m_ellipsePhases[1] = Phase(1000, EllipseAnimationWellPosition, EllipseAnimationWellPosition); - m_ellipsePhases[2] = Phase(1000, EllipseAnimationWellPosition, EllipseAnimationEndPosition); - m_ellipsePhases[3] = Phase(1000, EllipseAnimationWellPosition, EllipseAnimationEndPosition); -} - -void QQuickUniversalProgressBarNode::updateCurrentTime(int time) -{ - QSGRectangleNode *geometryNode = static_cast<QSGRectangleNode *>(firstChild()); - Q_ASSERT(!geometryNode || geometryNode->type() == QSGNode::GeometryNodeType); - if (!geometryNode) - return; - - QSGTransformNode *gridNode = static_cast<QSGTransformNode *>(geometryNode->firstChild()); - Q_ASSERT(!gridNode || gridNode->type() == QSGNode::TransformNodeType); - if (!gridNode) - return; - - qreal width = geometryNode->rect().width(); - { - qreal from = ContainerAnimationStartPosition; - qreal to = from + ContainerAnimationEndPosition * width; - qreal progress = static_cast<qreal>(time) / TotalDuration; - qreal dx = from + (to - from) * progress; - - QMatrix4x4 matrix; - matrix.translate(dx, 0); - gridNode->setMatrix(matrix); - } - - int nodeIndex = 0; - QSGTransformNode *borderNode = static_cast<QSGTransformNode *>(gridNode->firstChild()); - while (borderNode) { - Q_ASSERT(borderNode->type() == QSGNode::TransformNodeType); - - QSGTransformNode *ellipseNode = static_cast<QSGTransformNode *>(borderNode->firstChild()); - Q_ASSERT(ellipseNode->type() == QSGNode::TransformNodeType); - - QSGOpacityNode *opacityNode = static_cast<QSGOpacityNode *>(ellipseNode->firstChild()); - Q_ASSERT(opacityNode->type() == QSGNode::OpacityNodeType); - - int begin = nodeIndex * Interval; - int end = VisibleDuration + nodeIndex * Interval; - - bool visible = time >= begin && time <= end; - opacityNode->setOpacity(visible ? 1.0 : 0.0); - - if (visible) { - { - int phaseIndex, remain = time, elapsed = 0; - for (phaseIndex = 0; phaseIndex < PhaseCount - 1; ++phaseIndex) { - if (remain <= m_borderPhases[phaseIndex].duration + begin) - break; - remain -= m_borderPhases[phaseIndex].duration; - elapsed += m_borderPhases[phaseIndex].duration; - } - - const Phase &phase = m_borderPhases[phaseIndex]; - - qreal pos = time - elapsed - begin; - qreal progress = pos / phase.duration; - qreal dx = phase.from + (phase.to - phase.from) * progress; - - QMatrix4x4 matrix; - matrix.translate(dx, 0); - borderNode->setMatrix(matrix); - } - - { - QEasingCurve curve(QEasingCurve::BezierSpline); - curve.addCubicBezierSegment(QPointF(0.4, 0.0), QPointF(0.6, 1.0), QPointF(1.0, 1.0)); - - int phaseIndex, remain = time, elapsed = 0; - for (phaseIndex = 0; phaseIndex < PhaseCount - 1; ++phaseIndex) { - if (remain <= m_ellipsePhases[phaseIndex].duration + begin) - break; - remain -= m_ellipsePhases[phaseIndex].duration; - elapsed += m_ellipsePhases[phaseIndex].duration; - } - - const Phase &phase = m_ellipsePhases[phaseIndex]; - - qreal from = phase.from * width; - qreal to = phase.to * width; - qreal pos = time - elapsed - begin; - qreal progress = curve.valueForProgress(pos / phase.duration); - qreal dx = from + (to - from) * progress; - - QMatrix4x4 matrix; - matrix.translate(dx, 0); - ellipseNode->setMatrix(matrix); - } - } - - borderNode = static_cast<QSGTransformNode *>(borderNode->nextSibling()); - ++nodeIndex; - } -} - -void QQuickUniversalProgressBarNode::sync(QQuickItem *item) -{ - QQuickUniversalProgressBar *bar = static_cast<QQuickUniversalProgressBar *>(item); - if (m_indeterminate != bar->isIndeterminate()) { - m_indeterminate = bar->isIndeterminate(); - if (m_indeterminate) - start(); - else - stop(); - } - - QQuickItemPrivate *d = QQuickItemPrivate::get(item); - - QRectF bounds = item->boundingRect(); - bounds.setHeight(item->implicitHeight()); - bounds.moveTop((item->height() - bounds.height()) / 2.0); - if (!m_indeterminate) - bounds.setWidth(bar->progress() * bounds.width()); - - QSGRectangleNode *geometryNode = static_cast<QSGRectangleNode *>(firstChild()); - if (!geometryNode) { - geometryNode = item->window()->createRectangleNode(); - appendChildNode(geometryNode); - } - geometryNode->setRect(bounds); - geometryNode->setColor(m_indeterminate ? Qt::transparent : bar->color()); - - if (!m_indeterminate) { - while (QSGNode *node = geometryNode->firstChild()) - delete node; - return; - } - - QSGTransformNode *gridNode = static_cast<QSGTransformNode *>(geometryNode->firstChild()); - if (!gridNode) { - gridNode = new QSGTransformNode; - geometryNode->appendChildNode(gridNode); - } - Q_ASSERT(gridNode->type() == QSGNode::TransformNodeType); - - QSGNode *borderNode = gridNode->firstChild(); - for (int i = 0; i < EllipseCount; ++i) { - if (!borderNode) { - borderNode = new QSGTransformNode; - gridNode->appendChildNode(borderNode); - - QSGTransformNode *ellipseNode = new QSGTransformNode; - borderNode->appendChildNode(ellipseNode); - - QSGOpacityNode *opacityNode = new QSGOpacityNode; - ellipseNode->appendChildNode(opacityNode); - - QSGInternalRectangleNode *rectNode = d->sceneGraphContext()->createInternalRectangleNode(); - rectNode->setAntialiasing(true); - rectNode->setRadius(EllipseDiameter / 2); - opacityNode->appendChildNode(rectNode); - } - Q_ASSERT(borderNode->type() == QSGNode::TransformNodeType); - - QSGNode *ellipseNode = borderNode->firstChild(); - Q_ASSERT(ellipseNode->type() == QSGNode::TransformNodeType); - - QSGNode *opacityNode = ellipseNode->firstChild(); - Q_ASSERT(opacityNode->type() == QSGNode::OpacityNodeType); - - QSGInternalRectangleNode *rectNode = static_cast<QSGInternalRectangleNode *>(opacityNode->firstChild()); - Q_ASSERT(rectNode->type() == QSGNode::GeometryNodeType); - - rectNode->setRect(QRectF((EllipseCount - i - 1) * (EllipseDiameter + EllipseOffset), (item->height() - EllipseDiameter) / 2, EllipseDiameter, EllipseDiameter)); - rectNode->setColor(bar->color()); - rectNode->update(); - - borderNode = borderNode->nextSibling(); - } -} - -QQuickUniversalProgressBar::QQuickUniversalProgressBar(QQuickItem *parent) - : QQuickItem(parent) -{ - setFlag(ItemHasContents); -} - -QColor QQuickUniversalProgressBar::color() const -{ - return m_color; -} - -void QQuickUniversalProgressBar::setColor(const QColor &color) -{ - if (m_color == color) - return; - - m_color = color; - update(); -} - -qreal QQuickUniversalProgressBar::progress() const -{ - return m_progress; -} - -void QQuickUniversalProgressBar::setProgress(qreal progress) -{ - if (progress == m_progress) - return; - - m_progress = progress; - update(); -} - -bool QQuickUniversalProgressBar::isIndeterminate() const -{ - return m_indeterminate; -} - -void QQuickUniversalProgressBar::setIndeterminate(bool indeterminate) -{ - if (indeterminate == m_indeterminate) - return; - - m_indeterminate = indeterminate; - setClip(m_indeterminate); - update(); -} - -void QQuickUniversalProgressBar::itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &data) -{ - QQuickItem::itemChange(change, data); - if (change == ItemVisibleHasChanged) - update(); -} - -QSGNode *QQuickUniversalProgressBar::updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *) -{ - QQuickUniversalProgressBarNode *node = static_cast<QQuickUniversalProgressBarNode *>(oldNode); - if (isVisible() && width() > 0 && height() > 0) { - if (!node) - node = new QQuickUniversalProgressBarNode(this); - node->sync(this); - } else { - delete node; - node = nullptr; - } - return node; -} - -QT_END_NAMESPACE |