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Diffstat (limited to 'src/quickcontrols2/basic/impl/qquickbasicprogressbar.cpp')
| -rw-r--r-- | src/quickcontrols2/basic/impl/qquickbasicprogressbar.cpp | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/src/quickcontrols2/basic/impl/qquickbasicprogressbar.cpp b/src/quickcontrols2/basic/impl/qquickbasicprogressbar.cpp deleted file mode 100644 index 717082af..00000000 --- a/src/quickcontrols2/basic/impl/qquickbasicprogressbar.cpp +++ /dev/null @@ -1,280 +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 "qquickbasicprogressbar_p.h" - -#include <QtCore/qeasingcurve.h> -#include <QtQuick/private/qquickitem_p.h> -#include <QtQuick/private/qsgadaptationlayer_p.h> -#include <QtQuickControls2Impl/private/qquickanimatednode_p.h> - -QT_BEGIN_NAMESPACE - -static const int Blocks = 4; -static const int BlockWidth = 16; -static const int BlockRestingSpacing = 4; -static const int BlockMovingSpacing = 48; -static const int BlockSpan = Blocks * (BlockWidth + BlockRestingSpacing) - BlockRestingSpacing; -static const int TotalDuration = 4000; -static const int SecondPhaseStart = TotalDuration * 0.4; -static const int ThirdPhaseStart = TotalDuration * 0.6; - -static inline qreal blockStartX(int blockIndex) -{ - return ((blockIndex + 1) * -BlockWidth) - (blockIndex * BlockMovingSpacing); -} - -static inline qreal blockRestX(int blockIndex, qreal availableWidth) -{ - const qreal spanRightEdgePos = availableWidth / 2 + BlockSpan / 2.0; - return spanRightEdgePos - (blockIndex + 1) * BlockWidth - (blockIndex * BlockRestingSpacing); -} - -static inline qreal blockEndX(int blockIndex, qreal availableWidth) -{ - return availableWidth - blockStartX(Blocks - 1 - blockIndex) - BlockWidth; -} - -class QQuickBasicProgressBarNode : public QQuickAnimatedNode -{ -public: - QQuickBasicProgressBarNode(QQuickBasicProgressBar *item); - - void updateCurrentTime(int time) override; - void sync(QQuickItem *item) override; - -private: - bool m_indeterminate = false; - qreal m_pixelsPerSecond = 0; -}; - -QQuickBasicProgressBarNode::QQuickBasicProgressBarNode(QQuickBasicProgressBar *item) - : QQuickAnimatedNode(item), - m_pixelsPerSecond(item->width()) -{ - setLoopCount(Infinite); - setDuration(TotalDuration); -} - -void QQuickBasicProgressBarNode::updateCurrentTime(int time) -{ - QSGTransformNode *transformNode = static_cast<QSGTransformNode*>(firstChild()); - for (int i = 0; i < Blocks; ++i) { - Q_ASSERT(transformNode->type() == QSGNode::TransformNodeType); - - QMatrix4x4 m; - const qreal restX = blockRestX(i, m_pixelsPerSecond); - const qreal timeInSeconds = time / 1000.0; - - if (time < SecondPhaseStart) { - // Move into the resting position for the first phase. - QEasingCurve easingCurve(QEasingCurve::InQuad); - const qreal easedCompletion = easingCurve.valueForProgress(time / qreal(SecondPhaseStart)); - const qreal distance = m_pixelsPerSecond * (easedCompletion * (SecondPhaseStart / 1000.0)); - const qreal position = blockStartX(i) + distance; - const qreal destination = restX; - m.translate(qMin(position, destination), 0); - } else if (time < ThirdPhaseStart) { - // Stay in the same position for the second phase. - m.translate(restX, 0); - } else { - // Move out of view for the third phase. - const int thirdPhaseSubKickoff = (BlockMovingSpacing / m_pixelsPerSecond) * 1000; - const int subphase = (time - ThirdPhaseStart) / thirdPhaseSubKickoff; - // If we're not at this subphase yet, don't try to animate movement, - // because it will be incorrect. - if (subphase < i) - return; - - const qreal timeSinceSecondPhase = timeInSeconds - (ThirdPhaseStart / 1000.0); - // We only want to start keeping track of time once our subphase has started, - // otherwise we move too much because we account for time that has already elapsed. - // For example, if we were 60 milliseconds into the third subphase: - // - // 0 ..... 1 ..... 2 ... - // 100 100 60 - // - // i == 0, timeSinceOurKickoff == 260 - // i == 1, timeSinceOurKickoff == 160 - // i == 2, timeSinceOurKickoff == 60 - const qreal timeSinceOurKickoff = timeSinceSecondPhase - (thirdPhaseSubKickoff / 1000.0 * i); - const qreal position = restX + (m_pixelsPerSecond * (timeSinceOurKickoff)); - const qreal destination = blockEndX(i, m_pixelsPerSecond); - m.translate(qMin(position, destination), 0); - } - - transformNode->setMatrix(m); - - transformNode = static_cast<QSGTransformNode*>(transformNode->nextSibling()); - } -} - -void QQuickBasicProgressBarNode::sync(QQuickItem *item) -{ - QQuickBasicProgressBar *bar = static_cast<QQuickBasicProgressBar *>(item); - if (m_indeterminate != bar->isIndeterminate()) { - m_indeterminate = bar->isIndeterminate(); - if (m_indeterminate) - start(); - else - stop(); - } - m_pixelsPerSecond = item->width(); - - QQuickItemPrivate *d = QQuickItemPrivate::get(item); - - QMatrix4x4 m; - m.translate(0, (item->height() - item->implicitHeight()) / 2); - setMatrix(m); - - if (m_indeterminate) { - if (childCount() != Blocks) { - // This was previously a regular progress bar; remove the old nodes. - removeAllChildNodes(); - } - - QSGTransformNode *transformNode = static_cast<QSGTransformNode*>(firstChild()); - for (int i = 0; i < Blocks; ++i) { - if (!transformNode) { - transformNode = new QSGTransformNode; - appendChildNode(transformNode); - } - - QSGInternalRectangleNode *rectNode = static_cast<QSGInternalRectangleNode*>(transformNode->firstChild()); - if (!rectNode) { - rectNode = d->sceneGraphContext()->createInternalRectangleNode(); - rectNode->setColor(bar->color()); - transformNode->appendChildNode(rectNode); - } - - QMatrix4x4 m; - m.translate(blockStartX(i), 0); - transformNode->setMatrix(m); - - rectNode->setRect(QRectF(QPointF(0, 0), QSizeF(BlockWidth, item->implicitHeight()))); - rectNode->update(); - - transformNode = static_cast<QSGTransformNode *>(transformNode->nextSibling()); - } - } else { - if (childCount() > 1) { - // This was previously an indeterminate progress bar; remove the old nodes. - removeAllChildNodes(); - } - - QSGInternalRectangleNode *rectNode = static_cast<QSGInternalRectangleNode *>(firstChild()); - if (!rectNode) { - rectNode = d->sceneGraphContext()->createInternalRectangleNode(); - rectNode->setColor(bar->color()); - appendChildNode(rectNode); - } - - rectNode->setRect(QRectF(QPointF(0, 0), QSizeF(bar->progress() * item->width(), item->implicitHeight()))); - rectNode->update(); - } -} - -QQuickBasicProgressBar::QQuickBasicProgressBar(QQuickItem *parent) : - QQuickItem(parent) -{ - setFlag(ItemHasContents); -} - -qreal QQuickBasicProgressBar::progress() const -{ - return m_progress; -} - -void QQuickBasicProgressBar::setProgress(qreal progress) -{ - if (progress == m_progress) - return; - - m_progress = progress; - update(); -} - -bool QQuickBasicProgressBar::isIndeterminate() const -{ - return m_indeterminate; -} - -void QQuickBasicProgressBar::setIndeterminate(bool indeterminate) -{ - if (indeterminate == m_indeterminate) - return; - - m_indeterminate = indeterminate; - setClip(m_indeterminate); - update(); -} - -QColor QQuickBasicProgressBar::color() const -{ - return m_color; -} - -void QQuickBasicProgressBar::setColor(const QColor &color) -{ - if (color == m_color) - return; - - m_color = color; - update(); -} - -void QQuickBasicProgressBar::itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &data) -{ - QQuickItem::itemChange(change, data); - if (change == ItemVisibleHasChanged) - update(); -} - -QSGNode *QQuickBasicProgressBar::updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *) -{ - QQuickBasicProgressBarNode *node = static_cast<QQuickBasicProgressBarNode *>(oldNode); - if (isVisible() && width() > 0 && height() > 0) { - if (!node) - node = new QQuickBasicProgressBarNode(this); - node->sync(this); - } else { - delete node; - node = nullptr; - } - return node; -} - -QT_END_NAMESPACE |