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Diffstat (limited to 'src/declarative/items/qquickstateoperations.cpp')
| -rw-r--r-- | src/declarative/items/qquickstateoperations.cpp | 1346 |
1 files changed, 0 insertions, 1346 deletions
diff --git a/src/declarative/items/qquickstateoperations.cpp b/src/declarative/items/qquickstateoperations.cpp deleted file mode 100644 index 8c53e0a63f..0000000000 --- a/src/declarative/items/qquickstateoperations.cpp +++ /dev/null @@ -1,1346 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 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 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickstateoperations_p.h" -#include "qquickitem_p.h" - -#include <private/qdeclarativestate_p_p.h> - -#include <QtDeclarative/qdeclarativeinfo.h> -#include <QtCore/qmath.h> - -QT_BEGIN_NAMESPACE - -class QQuickParentChangePrivate : public QDeclarativeStateOperationPrivate -{ - Q_DECLARE_PUBLIC(QQuickParentChange) -public: - QQuickParentChangePrivate() : target(0), parent(0), origParent(0), origStackBefore(0), - rewindParent(0), rewindStackBefore(0) {} - - QQuickItem *target; - QDeclarativeGuard<QQuickItem> parent; - QDeclarativeGuard<QQuickItem> origParent; - QDeclarativeGuard<QQuickItem> origStackBefore; - QQuickItem *rewindParent; - QQuickItem *rewindStackBefore; - - QDeclarativeNullableValue<QDeclarativeScriptString> xString; - QDeclarativeNullableValue<QDeclarativeScriptString> yString; - QDeclarativeNullableValue<QDeclarativeScriptString> widthString; - QDeclarativeNullableValue<QDeclarativeScriptString> heightString; - QDeclarativeNullableValue<QDeclarativeScriptString> scaleString; - QDeclarativeNullableValue<QDeclarativeScriptString> rotationString; - - void doChange(QQuickItem *targetParent, QQuickItem *stackBefore = 0); -}; - -void QQuickParentChangePrivate::doChange(QQuickItem *targetParent, QQuickItem *stackBefore) -{ - if (targetParent && target && target->parentItem()) { - Q_Q(QQuickParentChange); - bool ok; - const QTransform &transform = target->parentItem()->itemTransform(targetParent, &ok); - if (transform.type() >= QTransform::TxShear || !ok) { - qmlInfo(q) << QQuickParentChange::tr("Unable to preserve appearance under complex transform"); - ok = false; - } - - qreal scale = 1; - qreal rotation = 0; - bool isRotate = (transform.type() == QTransform::TxRotate) || (transform.m11() < 0); - if (ok && !isRotate) { - if (transform.m11() == transform.m22()) - scale = transform.m11(); - else { - qmlInfo(q) << QQuickParentChange::tr("Unable to preserve appearance under non-uniform scale"); - ok = false; - } - } else if (ok && isRotate) { - if (transform.m11() == transform.m22()) - scale = qSqrt(transform.m11()*transform.m11() + transform.m12()*transform.m12()); - else { - qmlInfo(q) << QQuickParentChange::tr("Unable to preserve appearance under non-uniform scale"); - ok = false; - } - - if (scale != 0) - rotation = atan2(transform.m12()/scale, transform.m11()/scale) * 180/M_PI; - else { - qmlInfo(q) << QQuickParentChange::tr("Unable to preserve appearance under scale of 0"); - ok = false; - } - } - - const QPointF &point = transform.map(QPointF(target->x(),target->y())); - qreal x = point.x(); - qreal y = point.y(); - - // setParentItem will update the transformOriginPoint if needed - target->setParentItem(targetParent); - - if (ok && target->transformOrigin() != QQuickItem::TopLeft) { - qreal tempxt = target->transformOriginPoint().x(); - qreal tempyt = target->transformOriginPoint().y(); - QTransform t; - t.translate(-tempxt, -tempyt); - t.rotate(rotation); - t.scale(scale, scale); - t.translate(tempxt, tempyt); - const QPointF &offset = t.map(QPointF(0,0)); - x += offset.x(); - y += offset.y(); - } - - if (ok) { - //qDebug() << x << y << rotation << scale; - target->setX(x); - target->setY(y); - target->setRotation(target->rotation() + rotation); - target->setScale(target->scale() * scale); - } - } else if (target) { - target->setParentItem(targetParent); - } - - //restore the original stack position. - //### if stackBefore has also been reparented this won't work - if (stackBefore) - target->stackBefore(stackBefore); -} - -QQuickParentChange::QQuickParentChange(QObject *parent) - : QDeclarativeStateOperation(*(new QQuickParentChangePrivate), parent) -{ -} - -QQuickParentChange::~QQuickParentChange() -{ -} - -QDeclarativeScriptString QQuickParentChange::x() const -{ - Q_D(const QQuickParentChange); - return d->xString.value; -} - -void QQuickParentChange::setX(QDeclarativeScriptString x) -{ - Q_D(QQuickParentChange); - d->xString = x; -} - -bool QQuickParentChange::xIsSet() const -{ - Q_D(const QQuickParentChange); - return d->xString.isValid(); -} - -QDeclarativeScriptString QQuickParentChange::y() const -{ - Q_D(const QQuickParentChange); - return d->yString.value; -} - -void QQuickParentChange::setY(QDeclarativeScriptString y) -{ - Q_D(QQuickParentChange); - d->yString = y; -} - -bool QQuickParentChange::yIsSet() const -{ - Q_D(const QQuickParentChange); - return d->yString.isValid(); -} - -QDeclarativeScriptString QQuickParentChange::width() const -{ - Q_D(const QQuickParentChange); - return d->widthString.value; -} - -void QQuickParentChange::setWidth(QDeclarativeScriptString width) -{ - Q_D(QQuickParentChange); - d->widthString = width; -} - -bool QQuickParentChange::widthIsSet() const -{ - Q_D(const QQuickParentChange); - return d->widthString.isValid(); -} - -QDeclarativeScriptString QQuickParentChange::height() const -{ - Q_D(const QQuickParentChange); - return d->heightString.value; -} - -void QQuickParentChange::setHeight(QDeclarativeScriptString height) -{ - Q_D(QQuickParentChange); - d->heightString = height; -} - -bool QQuickParentChange::heightIsSet() const -{ - Q_D(const QQuickParentChange); - return d->heightString.isValid(); -} - -QDeclarativeScriptString QQuickParentChange::scale() const -{ - Q_D(const QQuickParentChange); - return d->scaleString.value; -} - -void QQuickParentChange::setScale(QDeclarativeScriptString scale) -{ - Q_D(QQuickParentChange); - d->scaleString = scale; -} - -bool QQuickParentChange::scaleIsSet() const -{ - Q_D(const QQuickParentChange); - return d->scaleString.isValid(); -} - -QDeclarativeScriptString QQuickParentChange::rotation() const -{ - Q_D(const QQuickParentChange); - return d->rotationString.value; -} - -void QQuickParentChange::setRotation(QDeclarativeScriptString rotation) -{ - Q_D(QQuickParentChange); - d->rotationString = rotation; -} - -bool QQuickParentChange::rotationIsSet() const -{ - Q_D(const QQuickParentChange); - return d->rotationString.isValid(); -} - -QQuickItem *QQuickParentChange::originalParent() const -{ - Q_D(const QQuickParentChange); - return d->origParent; -} - -QQuickItem *QQuickParentChange::object() const -{ - Q_D(const QQuickParentChange); - return d->target; -} - -void QQuickParentChange::setObject(QQuickItem *target) -{ - Q_D(QQuickParentChange); - d->target = target; -} - -QQuickItem *QQuickParentChange::parent() const -{ - Q_D(const QQuickParentChange); - return d->parent; -} - -void QQuickParentChange::setParent(QQuickItem *parent) -{ - Q_D(QQuickParentChange); - d->parent = parent; -} - -QDeclarativeStateOperation::ActionList QQuickParentChange::actions() -{ - Q_D(QQuickParentChange); - if (!d->target || !d->parent) - return ActionList(); - - ActionList actions; - - QDeclarativeAction a; - a.event = this; - actions << a; - - if (d->xString.isValid()) { - bool ok = false; - QString script = d->xString.value.script(); - qreal x = script.toFloat(&ok); - if (ok) { - QDeclarativeAction xa(d->target, QLatin1String("x"), x); - actions << xa; - } else { - QDeclarativeBinding *newBinding = new QDeclarativeBinding(script, d->target, qmlContext(this)); - newBinding->setTarget(QDeclarativeProperty(d->target, QLatin1String("x"))); - QDeclarativeAction xa; - xa.property = newBinding->property(); - xa.toBinding = newBinding; - xa.fromValue = xa.property.read(); - xa.deletableToBinding = true; - actions << xa; - } - } - - if (d->yString.isValid()) { - bool ok = false; - QString script = d->yString.value.script(); - qreal y = script.toFloat(&ok); - if (ok) { - QDeclarativeAction ya(d->target, QLatin1String("y"), y); - actions << ya; - } else { - QDeclarativeBinding *newBinding = new QDeclarativeBinding(script, d->target, qmlContext(this)); - newBinding->setTarget(QDeclarativeProperty(d->target, QLatin1String("y"))); - QDeclarativeAction ya; - ya.property = newBinding->property(); - ya.toBinding = newBinding; - ya.fromValue = ya.property.read(); - ya.deletableToBinding = true; - actions << ya; - } - } - - if (d->scaleString.isValid()) { - bool ok = false; - QString script = d->scaleString.value.script(); - qreal scale = script.toFloat(&ok); - if (ok) { - QDeclarativeAction sa(d->target, QLatin1String("scale"), scale); - actions << sa; - } else { - QDeclarativeBinding *newBinding = new QDeclarativeBinding(script, d->target, qmlContext(this)); - newBinding->setTarget(QDeclarativeProperty(d->target, QLatin1String("scale"))); - QDeclarativeAction sa; - sa.property = newBinding->property(); - sa.toBinding = newBinding; - sa.fromValue = sa.property.read(); - sa.deletableToBinding = true; - actions << sa; - } - } - - if (d->rotationString.isValid()) { - bool ok = false; - QString script = d->rotationString.value.script(); - qreal rotation = script.toFloat(&ok); - if (ok) { - QDeclarativeAction ra(d->target, QLatin1String("rotation"), rotation); - actions << ra; - } else { - QDeclarativeBinding *newBinding = new QDeclarativeBinding(script, d->target, qmlContext(this)); - newBinding->setTarget(QDeclarativeProperty(d->target, QLatin1String("rotation"))); - QDeclarativeAction ra; - ra.property = newBinding->property(); - ra.toBinding = newBinding; - ra.fromValue = ra.property.read(); - ra.deletableToBinding = true; - actions << ra; - } - } - - if (d->widthString.isValid()) { - bool ok = false; - QString script = d->widthString.value.script(); - qreal width = script.toFloat(&ok); - if (ok) { - QDeclarativeAction wa(d->target, QLatin1String("width"), width); - actions << wa; - } else { - QDeclarativeBinding *newBinding = new QDeclarativeBinding(script, d->target, qmlContext(this)); - newBinding->setTarget(QDeclarativeProperty(d->target, QLatin1String("width"))); - QDeclarativeAction wa; - wa.property = newBinding->property(); - wa.toBinding = newBinding; - wa.fromValue = wa.property.read(); - wa.deletableToBinding = true; - actions << wa; - } - } - - if (d->heightString.isValid()) { - bool ok = false; - QString script = d->heightString.value.script(); - qreal height = script.toFloat(&ok); - if (ok) { - QDeclarativeAction ha(d->target, QLatin1String("height"), height); - actions << ha; - } else { - QDeclarativeBinding *newBinding = new QDeclarativeBinding(script, d->target, qmlContext(this)); - newBinding->setTarget(QDeclarativeProperty(d->target, QLatin1String("height"))); - QDeclarativeAction ha; - ha.property = newBinding->property(); - ha.toBinding = newBinding; - ha.fromValue = ha.property.read(); - ha.deletableToBinding = true; - actions << ha; - } - } - - return actions; -} - -void QQuickParentChange::saveOriginals() -{ - Q_D(QQuickParentChange); - saveCurrentValues(); - d->origParent = d->rewindParent; - d->origStackBefore = d->rewindStackBefore; -} - -/*void QQuickParentChange::copyOriginals(QDeclarativeActionEvent *other) -{ - Q_D(QQuickParentChange); - QQuickParentChange *pc = static_cast<QQuickParentChange*>(other); - - d->origParent = pc->d_func()->rewindParent; - d->origStackBefore = pc->d_func()->rewindStackBefore; - - saveCurrentValues(); -}*/ - -void QQuickParentChange::execute(Reason) -{ - Q_D(QQuickParentChange); - d->doChange(d->parent); -} - -bool QQuickParentChange::isReversable() -{ - return true; -} - -void QQuickParentChange::reverse(Reason) -{ - Q_D(QQuickParentChange); - d->doChange(d->origParent, d->origStackBefore); -} - -QString QQuickParentChange::typeName() const -{ - return QLatin1String("ParentChange"); -} - -bool QQuickParentChange::override(QDeclarativeActionEvent*other) -{ - Q_D(QQuickParentChange); - if (other->typeName() != QLatin1String("ParentChange")) - return false; - if (QQuickParentChange *otherPC = static_cast<QQuickParentChange*>(other)) - return (d->target == otherPC->object()); - return false; -} - -void QQuickParentChange::saveCurrentValues() -{ - Q_D(QQuickParentChange); - if (!d->target) { - d->rewindParent = 0; - d->rewindStackBefore = 0; - return; - } - - d->rewindParent = d->target->parentItem(); - d->rewindStackBefore = 0; - - if (!d->rewindParent) - return; - - QList<QQuickItem *> children = d->rewindParent->childItems(); - for (int ii = 0; ii < children.count() - 1; ++ii) { - if (children.at(ii) == d->target) { - d->rewindStackBefore = children.at(ii + 1); - break; - } - } -} - -void QQuickParentChange::rewind() -{ - Q_D(QQuickParentChange); - d->doChange(d->rewindParent, d->rewindStackBefore); -} - -class QQuickAnchorSetPrivate : public QObjectPrivate -{ - Q_DECLARE_PUBLIC(QQuickAnchorSet) -public: - QQuickAnchorSetPrivate() - : usedAnchors(0), resetAnchors(0), fill(0), - centerIn(0)/*, leftMargin(0), rightMargin(0), topMargin(0), bottomMargin(0), - margins(0), vCenterOffset(0), hCenterOffset(0), baselineOffset(0)*/ - { - } - - QQuickAnchors::Anchors usedAnchors; - QQuickAnchors::Anchors resetAnchors; - - QQuickItem *fill; - QQuickItem *centerIn; - - QDeclarativeScriptString leftScript; - QDeclarativeScriptString rightScript; - QDeclarativeScriptString topScript; - QDeclarativeScriptString bottomScript; - QDeclarativeScriptString hCenterScript; - QDeclarativeScriptString vCenterScript; - QDeclarativeScriptString baselineScript; - - /*qreal leftMargin; - qreal rightMargin; - qreal topMargin; - qreal bottomMargin; - qreal margins; - qreal vCenterOffset; - qreal hCenterOffset; - qreal baselineOffset;*/ -}; - -QQuickAnchorSet::QQuickAnchorSet(QObject *parent) - : QObject(*new QQuickAnchorSetPrivate, parent) -{ -} - -QQuickAnchorSet::~QQuickAnchorSet() -{ -} - -QDeclarativeScriptString QQuickAnchorSet::top() const -{ - Q_D(const QQuickAnchorSet); - return d->topScript; -} - -void QQuickAnchorSet::setTop(const QDeclarativeScriptString &edge) -{ - Q_D(QQuickAnchorSet); - d->usedAnchors |= QQuickAnchors::TopAnchor; - d->topScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetTop(); -} - -void QQuickAnchorSet::resetTop() -{ - Q_D(QQuickAnchorSet); - d->usedAnchors &= ~QQuickAnchors::TopAnchor; - d->topScript = QDeclarativeScriptString(); - d->resetAnchors |= QQuickAnchors::TopAnchor; -} - -QDeclarativeScriptString QQuickAnchorSet::bottom() const -{ - Q_D(const QQuickAnchorSet); - return d->bottomScript; -} - -void QQuickAnchorSet::setBottom(const QDeclarativeScriptString &edge) -{ - Q_D(QQuickAnchorSet); - d->usedAnchors |= QQuickAnchors::BottomAnchor; - d->bottomScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetBottom(); -} - -void QQuickAnchorSet::resetBottom() -{ - Q_D(QQuickAnchorSet); - d->usedAnchors &= ~QQuickAnchors::BottomAnchor; - d->bottomScript = QDeclarativeScriptString(); - d->resetAnchors |= QQuickAnchors::BottomAnchor; -} - -QDeclarativeScriptString QQuickAnchorSet::verticalCenter() const -{ - Q_D(const QQuickAnchorSet); - return d->vCenterScript; -} - -void QQuickAnchorSet::setVerticalCenter(const QDeclarativeScriptString &edge) -{ - Q_D(QQuickAnchorSet); - d->usedAnchors |= QQuickAnchors::VCenterAnchor; - d->vCenterScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetVerticalCenter(); -} - -void QQuickAnchorSet::resetVerticalCenter() -{ - Q_D(QQuickAnchorSet); - d->usedAnchors &= ~QQuickAnchors::VCenterAnchor; - d->vCenterScript = QDeclarativeScriptString(); - d->resetAnchors |= QQuickAnchors::VCenterAnchor; -} - -QDeclarativeScriptString QQuickAnchorSet::baseline() const -{ - Q_D(const QQuickAnchorSet); - return d->baselineScript; -} - -void QQuickAnchorSet::setBaseline(const QDeclarativeScriptString &edge) -{ - Q_D(QQuickAnchorSet); - d->usedAnchors |= QQuickAnchors::BaselineAnchor; - d->baselineScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetBaseline(); -} - -void QQuickAnchorSet::resetBaseline() -{ - Q_D(QQuickAnchorSet); - d->usedAnchors &= ~QQuickAnchors::BaselineAnchor; - d->baselineScript = QDeclarativeScriptString(); - d->resetAnchors |= QQuickAnchors::BaselineAnchor; -} - -QDeclarativeScriptString QQuickAnchorSet::left() const -{ - Q_D(const QQuickAnchorSet); - return d->leftScript; -} - -void QQuickAnchorSet::setLeft(const QDeclarativeScriptString &edge) -{ - Q_D(QQuickAnchorSet); - d->usedAnchors |= QQuickAnchors::LeftAnchor; - d->leftScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetLeft(); -} - -void QQuickAnchorSet::resetLeft() -{ - Q_D(QQuickAnchorSet); - d->usedAnchors &= ~QQuickAnchors::LeftAnchor; - d->leftScript = QDeclarativeScriptString(); - d->resetAnchors |= QQuickAnchors::LeftAnchor; -} - -QDeclarativeScriptString QQuickAnchorSet::right() const -{ - Q_D(const QQuickAnchorSet); - return d->rightScript; -} - -void QQuickAnchorSet::setRight(const QDeclarativeScriptString &edge) -{ - Q_D(QQuickAnchorSet); - d->usedAnchors |= QQuickAnchors::RightAnchor; - d->rightScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetRight(); -} - -void QQuickAnchorSet::resetRight() -{ - Q_D(QQuickAnchorSet); - d->usedAnchors &= ~QQuickAnchors::RightAnchor; - d->rightScript = QDeclarativeScriptString(); - d->resetAnchors |= QQuickAnchors::RightAnchor; -} - -QDeclarativeScriptString QQuickAnchorSet::horizontalCenter() const -{ - Q_D(const QQuickAnchorSet); - return d->hCenterScript; -} - -void QQuickAnchorSet::setHorizontalCenter(const QDeclarativeScriptString &edge) -{ - Q_D(QQuickAnchorSet); - d->usedAnchors |= QQuickAnchors::HCenterAnchor; - d->hCenterScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetHorizontalCenter(); -} - -void QQuickAnchorSet::resetHorizontalCenter() -{ - Q_D(QQuickAnchorSet); - d->usedAnchors &= ~QQuickAnchors::HCenterAnchor; - d->hCenterScript = QDeclarativeScriptString(); - d->resetAnchors |= QQuickAnchors::HCenterAnchor; -} - -QQuickItem *QQuickAnchorSet::fill() const -{ - Q_D(const QQuickAnchorSet); - return d->fill; -} - -void QQuickAnchorSet::setFill(QQuickItem *f) -{ - Q_D(QQuickAnchorSet); - d->fill = f; -} - -void QQuickAnchorSet::resetFill() -{ - setFill(0); -} - -QQuickItem *QQuickAnchorSet::centerIn() const -{ - Q_D(const QQuickAnchorSet); - return d->centerIn; -} - -void QQuickAnchorSet::setCenterIn(QQuickItem* c) -{ - Q_D(QQuickAnchorSet); - d->centerIn = c; -} - -void QQuickAnchorSet::resetCenterIn() -{ - setCenterIn(0); -} - - -class QQuickAnchorChangesPrivate : public QDeclarativeStateOperationPrivate -{ -public: - QQuickAnchorChangesPrivate() - : target(0), anchorSet(new QQuickAnchorSet), - leftBinding(0), rightBinding(0), hCenterBinding(0), - topBinding(0), bottomBinding(0), vCenterBinding(0), baselineBinding(0), - origLeftBinding(0), origRightBinding(0), origHCenterBinding(0), - origTopBinding(0), origBottomBinding(0), origVCenterBinding(0), - origBaselineBinding(0) - { - - } - ~QQuickAnchorChangesPrivate() { delete anchorSet; } - - QQuickItem *target; - QQuickAnchorSet *anchorSet; - - QDeclarativeBinding *leftBinding; - QDeclarativeBinding *rightBinding; - QDeclarativeBinding *hCenterBinding; - QDeclarativeBinding *topBinding; - QDeclarativeBinding *bottomBinding; - QDeclarativeBinding *vCenterBinding; - QDeclarativeBinding *baselineBinding; - - QDeclarativeAbstractBinding *origLeftBinding; - QDeclarativeAbstractBinding *origRightBinding; - QDeclarativeAbstractBinding *origHCenterBinding; - QDeclarativeAbstractBinding *origTopBinding; - QDeclarativeAbstractBinding *origBottomBinding; - QDeclarativeAbstractBinding *origVCenterBinding; - QDeclarativeAbstractBinding *origBaselineBinding; - - QQuickAnchorLine rewindLeft; - QQuickAnchorLine rewindRight; - QQuickAnchorLine rewindHCenter; - QQuickAnchorLine rewindTop; - QQuickAnchorLine rewindBottom; - QQuickAnchorLine rewindVCenter; - QQuickAnchorLine rewindBaseline; - - qreal fromX; - qreal fromY; - qreal fromWidth; - qreal fromHeight; - - qreal toX; - qreal toY; - qreal toWidth; - qreal toHeight; - - qreal rewindX; - qreal rewindY; - qreal rewindWidth; - qreal rewindHeight; - - bool applyOrigLeft; - bool applyOrigRight; - bool applyOrigHCenter; - bool applyOrigTop; - bool applyOrigBottom; - bool applyOrigVCenter; - bool applyOrigBaseline; - - QDeclarativeNullableValue<qreal> origWidth; - QDeclarativeNullableValue<qreal> origHeight; - qreal origX; - qreal origY; - - QList<QDeclarativeAbstractBinding*> oldBindings; - - QDeclarativeProperty leftProp; - QDeclarativeProperty rightProp; - QDeclarativeProperty hCenterProp; - QDeclarativeProperty topProp; - QDeclarativeProperty bottomProp; - QDeclarativeProperty vCenterProp; - QDeclarativeProperty baselineProp; -}; - -QQuickAnchorChanges::QQuickAnchorChanges(QObject *parent) - : QDeclarativeStateOperation(*(new QQuickAnchorChangesPrivate), parent) -{ -} - -QQuickAnchorChanges::~QQuickAnchorChanges() -{ -} - -QQuickAnchorChanges::ActionList QQuickAnchorChanges::actions() -{ - Q_D(QQuickAnchorChanges); - d->leftBinding = d->rightBinding = d->hCenterBinding = d->topBinding - = d->bottomBinding = d->vCenterBinding = d->baselineBinding = 0; - - d->leftProp = QDeclarativeProperty(d->target, QLatin1String("anchors.left")); - d->rightProp = QDeclarativeProperty(d->target, QLatin1String("anchors.right")); - d->hCenterProp = QDeclarativeProperty(d->target, QLatin1String("anchors.horizontalCenter")); - d->topProp = QDeclarativeProperty(d->target, QLatin1String("anchors.top")); - d->bottomProp = QDeclarativeProperty(d->target, QLatin1String("anchors.bottom")); - d->vCenterProp = QDeclarativeProperty(d->target, QLatin1String("anchors.verticalCenter")); - d->baselineProp = QDeclarativeProperty(d->target, QLatin1String("anchors.baseline")); - - if (d->anchorSet->d_func()->usedAnchors & QQuickAnchors::LeftAnchor) { - d->leftBinding = new QDeclarativeBinding(d->anchorSet->d_func()->leftScript.script(), d->target, qmlContext(this)); - d->leftBinding->setTarget(d->leftProp); - } - if (d->anchorSet->d_func()->usedAnchors & QQuickAnchors::RightAnchor) { - d->rightBinding = new QDeclarativeBinding(d->anchorSet->d_func()->rightScript.script(), d->target, qmlContext(this)); - d->rightBinding->setTarget(d->rightProp); - } - if (d->anchorSet->d_func()->usedAnchors & QQuickAnchors::HCenterAnchor) { - d->hCenterBinding = new QDeclarativeBinding(d->anchorSet->d_func()->hCenterScript.script(), d->target, qmlContext(this)); - d->hCenterBinding->setTarget(d->hCenterProp); - } - if (d->anchorSet->d_func()->usedAnchors & QQuickAnchors::TopAnchor) { - d->topBinding = new QDeclarativeBinding(d->anchorSet->d_func()->topScript.script(), d->target, qmlContext(this)); - d->topBinding->setTarget(d->topProp); - } - if (d->anchorSet->d_func()->usedAnchors & QQuickAnchors::BottomAnchor) { - d->bottomBinding = new QDeclarativeBinding(d->anchorSet->d_func()->bottomScript.script(), d->target, qmlContext(this)); - d->bottomBinding->setTarget(d->bottomProp); - } - if (d->anchorSet->d_func()->usedAnchors & QQuickAnchors::VCenterAnchor) { - d->vCenterBinding = new QDeclarativeBinding(d->anchorSet->d_func()->vCenterScript.script(), d->target, qmlContext(this)); - d->vCenterBinding->setTarget(d->vCenterProp); - } - if (d->anchorSet->d_func()->usedAnchors & QQuickAnchors::BaselineAnchor) { - d->baselineBinding = new QDeclarativeBinding(d->anchorSet->d_func()->baselineScript.script(), d->target, qmlContext(this)); - d->baselineBinding->setTarget(d->baselineProp); - } - - QDeclarativeAction a; - a.event = this; - return ActionList() << a; -} - -QQuickAnchorSet *QQuickAnchorChanges::anchors() -{ - Q_D(QQuickAnchorChanges); - return d->anchorSet; -} - -QQuickItem *QQuickAnchorChanges::object() const -{ - Q_D(const QQuickAnchorChanges); - return d->target; -} - -void QQuickAnchorChanges::setObject(QQuickItem *target) -{ - Q_D(QQuickAnchorChanges); - d->target = target; -} - -void QQuickAnchorChanges::execute(Reason reason) -{ - Q_D(QQuickAnchorChanges); - if (!d->target) - return; - - QQuickItemPrivate *targetPrivate = QQuickItemPrivate::get(d->target); - //incorporate any needed "reverts" - if (d->applyOrigLeft) { - if (!d->origLeftBinding) - targetPrivate->anchors()->resetLeft(); - QDeclarativePropertyPrivate::setBinding(d->leftProp, d->origLeftBinding); - } - if (d->applyOrigRight) { - if (!d->origRightBinding) - targetPrivate->anchors()->resetRight(); - QDeclarativePropertyPrivate::setBinding(d->rightProp, d->origRightBinding); - } - if (d->applyOrigHCenter) { - if (!d->origHCenterBinding) - targetPrivate->anchors()->resetHorizontalCenter(); - QDeclarativePropertyPrivate::setBinding(d->hCenterProp, d->origHCenterBinding); - } - if (d->applyOrigTop) { - if (!d->origTopBinding) - targetPrivate->anchors()->resetTop(); - QDeclarativePropertyPrivate::setBinding(d->topProp, d->origTopBinding); - } - if (d->applyOrigBottom) { - if (!d->origBottomBinding) - targetPrivate->anchors()->resetBottom(); - QDeclarativePropertyPrivate::setBinding(d->bottomProp, d->origBottomBinding); - } - if (d->applyOrigVCenter) { - if (!d->origVCenterBinding) - targetPrivate->anchors()->resetVerticalCenter(); - QDeclarativePropertyPrivate::setBinding(d->vCenterProp, d->origVCenterBinding); - } - if (d->applyOrigBaseline) { - if (!d->origBaselineBinding) - targetPrivate->anchors()->resetBaseline(); - QDeclarativePropertyPrivate::setBinding(d->baselineProp, d->origBaselineBinding); - } - - //destroy old bindings - if (reason == ActualChange) { - for (int i = 0; i < d->oldBindings.size(); ++i) { - QDeclarativeAbstractBinding *binding = d->oldBindings.at(i); - if (binding) - binding->destroy(); - } - d->oldBindings.clear(); - } - - //reset any anchors that have been specified as "undefined" - if (d->anchorSet->d_func()->resetAnchors & QQuickAnchors::LeftAnchor) { - targetPrivate->anchors()->resetLeft(); - QDeclarativePropertyPrivate::setBinding(d->leftProp, 0); - } - if (d->anchorSet->d_func()->resetAnchors & QQuickAnchors::RightAnchor) { - targetPrivate->anchors()->resetRight(); - QDeclarativePropertyPrivate::setBinding(d->rightProp, 0); - } - if (d->anchorSet->d_func()->resetAnchors & QQuickAnchors::HCenterAnchor) { - targetPrivate->anchors()->resetHorizontalCenter(); - QDeclarativePropertyPrivate::setBinding(d->hCenterProp, 0); - } - if (d->anchorSet->d_func()->resetAnchors & QQuickAnchors::TopAnchor) { - targetPrivate->anchors()->resetTop(); - QDeclarativePropertyPrivate::setBinding(d->topProp, 0); - } - if (d->anchorSet->d_func()->resetAnchors & QQuickAnchors::BottomAnchor) { - targetPrivate->anchors()->resetBottom(); - QDeclarativePropertyPrivate::setBinding(d->bottomProp, 0); - } - if (d->anchorSet->d_func()->resetAnchors & QQuickAnchors::VCenterAnchor) { - targetPrivate->anchors()->resetVerticalCenter(); - QDeclarativePropertyPrivate::setBinding(d->vCenterProp, 0); - } - if (d->anchorSet->d_func()->resetAnchors & QQuickAnchors::BaselineAnchor) { - targetPrivate->anchors()->resetBaseline(); - QDeclarativePropertyPrivate::setBinding(d->baselineProp, 0); - } - - //set any anchors that have been specified - if (d->leftBinding) - QDeclarativePropertyPrivate::setBinding(d->leftBinding->property(), d->leftBinding); - if (d->rightBinding) - QDeclarativePropertyPrivate::setBinding(d->rightBinding->property(), d->rightBinding); - if (d->hCenterBinding) - QDeclarativePropertyPrivate::setBinding(d->hCenterBinding->property(), d->hCenterBinding); - if (d->topBinding) - QDeclarativePropertyPrivate::setBinding(d->topBinding->property(), d->topBinding); - if (d->bottomBinding) - QDeclarativePropertyPrivate::setBinding(d->bottomBinding->property(), d->bottomBinding); - if (d->vCenterBinding) - QDeclarativePropertyPrivate::setBinding(d->vCenterBinding->property(), d->vCenterBinding); - if (d->baselineBinding) - QDeclarativePropertyPrivate::setBinding(d->baselineBinding->property(), d->baselineBinding); -} - -bool QQuickAnchorChanges::isReversable() -{ - return true; -} - -void QQuickAnchorChanges::reverse(Reason reason) -{ - Q_D(QQuickAnchorChanges); - if (!d->target) - return; - - QQuickItemPrivate *targetPrivate = QQuickItemPrivate::get(d->target); - //reset any anchors set by the state - if (d->leftBinding) { - targetPrivate->anchors()->resetLeft(); - QDeclarativePropertyPrivate::setBinding(d->leftBinding->property(), 0); - if (reason == ActualChange) { - d->leftBinding->destroy(); d->leftBinding = 0; - } - } - if (d->rightBinding) { - targetPrivate->anchors()->resetRight(); - QDeclarativePropertyPrivate::setBinding(d->rightBinding->property(), 0); - if (reason == ActualChange) { - d->rightBinding->destroy(); d->rightBinding = 0; - } - } - if (d->hCenterBinding) { - targetPrivate->anchors()->resetHorizontalCenter(); - QDeclarativePropertyPrivate::setBinding(d->hCenterBinding->property(), 0); - if (reason == ActualChange) { - d->hCenterBinding->destroy(); d->hCenterBinding = 0; - } - } - if (d->topBinding) { - targetPrivate->anchors()->resetTop(); - QDeclarativePropertyPrivate::setBinding(d->topBinding->property(), 0); - if (reason == ActualChange) { - d->topBinding->destroy(); d->topBinding = 0; - } - } - if (d->bottomBinding) { - targetPrivate->anchors()->resetBottom(); - QDeclarativePropertyPrivate::setBinding(d->bottomBinding->property(), 0); - if (reason == ActualChange) { - d->bottomBinding->destroy(); d->bottomBinding = 0; - } - } - if (d->vCenterBinding) { - targetPrivate->anchors()->resetVerticalCenter(); - QDeclarativePropertyPrivate::setBinding(d->vCenterBinding->property(), 0); - if (reason == ActualChange) { - d->vCenterBinding->destroy(); d->vCenterBinding = 0; - } - } - if (d->baselineBinding) { - targetPrivate->anchors()->resetBaseline(); - QDeclarativePropertyPrivate::setBinding(d->baselineBinding->property(), 0); - if (reason == ActualChange) { - d->baselineBinding->destroy(); d->baselineBinding = 0; - } - } - - //restore previous anchors - if (d->origLeftBinding) - QDeclarativePropertyPrivate::setBinding(d->leftProp, d->origLeftBinding); - if (d->origRightBinding) - QDeclarativePropertyPrivate::setBinding(d->rightProp, d->origRightBinding); - if (d->origHCenterBinding) - QDeclarativePropertyPrivate::setBinding(d->hCenterProp, d->origHCenterBinding); - if (d->origTopBinding) - QDeclarativePropertyPrivate::setBinding(d->topProp, d->origTopBinding); - if (d->origBottomBinding) - QDeclarativePropertyPrivate::setBinding(d->bottomProp, d->origBottomBinding); - if (d->origVCenterBinding) - QDeclarativePropertyPrivate::setBinding(d->vCenterProp, d->origVCenterBinding); - if (d->origBaselineBinding) - QDeclarativePropertyPrivate::setBinding(d->baselineProp, d->origBaselineBinding); - - //restore any absolute geometry changed by the state's anchors - QQuickAnchors::Anchors stateVAnchors = d->anchorSet->d_func()->usedAnchors & QQuickAnchors::Vertical_Mask; - QQuickAnchors::Anchors origVAnchors = targetPrivate->anchors()->usedAnchors() & QQuickAnchors::Vertical_Mask; - QQuickAnchors::Anchors stateHAnchors = d->anchorSet->d_func()->usedAnchors & QQuickAnchors::Horizontal_Mask; - QQuickAnchors::Anchors origHAnchors = targetPrivate->anchors()->usedAnchors() & QQuickAnchors::Horizontal_Mask; - - bool stateSetWidth = (stateHAnchors && - stateHAnchors != QQuickAnchors::LeftAnchor && - stateHAnchors != QQuickAnchors::RightAnchor && - stateHAnchors != QQuickAnchors::HCenterAnchor); - bool origSetWidth = (origHAnchors && - origHAnchors != QQuickAnchors::LeftAnchor && - origHAnchors != QQuickAnchors::RightAnchor && - origHAnchors != QQuickAnchors::HCenterAnchor); - if (d->origWidth.isValid() && stateSetWidth && !origSetWidth) - d->target->setWidth(d->origWidth.value); - - bool stateSetHeight = (stateVAnchors && - stateVAnchors != QQuickAnchors::TopAnchor && - stateVAnchors != QQuickAnchors::BottomAnchor && - stateVAnchors != QQuickAnchors::VCenterAnchor && - stateVAnchors != QQuickAnchors::BaselineAnchor); - bool origSetHeight = (origVAnchors && - origVAnchors != QQuickAnchors::TopAnchor && - origVAnchors != QQuickAnchors::BottomAnchor && - origVAnchors != QQuickAnchors::VCenterAnchor && - origVAnchors != QQuickAnchors::BaselineAnchor); - if (d->origHeight.isValid() && stateSetHeight && !origSetHeight) - d->target->setHeight(d->origHeight.value); - - if (stateHAnchors && !origHAnchors) - d->target->setX(d->origX); - - if (stateVAnchors && !origVAnchors) - d->target->setY(d->origY); -} - -QString QQuickAnchorChanges::typeName() const -{ - return QLatin1String("AnchorChanges"); -} - -QList<QDeclarativeAction> QQuickAnchorChanges::additionalActions() -{ - Q_D(QQuickAnchorChanges); - QList<QDeclarativeAction> extra; - - QQuickAnchors::Anchors combined = d->anchorSet->d_func()->usedAnchors | d->anchorSet->d_func()->resetAnchors; - bool hChange = combined & QQuickAnchors::Horizontal_Mask; - bool vChange = combined & QQuickAnchors::Vertical_Mask; - - if (d->target) { - QDeclarativeAction a; - if (hChange && d->fromX != d->toX) { - a.property = QDeclarativeProperty(d->target, QLatin1String("x")); - a.toValue = d->toX; - extra << a; - } - if (vChange && d->fromY != d->toY) { - a.property = QDeclarativeProperty(d->target, QLatin1String("y")); - a.toValue = d->toY; - extra << a; - } - if (hChange && d->fromWidth != d->toWidth) { - a.property = QDeclarativeProperty(d->target, QLatin1String("width")); - a.toValue = d->toWidth; - extra << a; - } - if (vChange && d->fromHeight != d->toHeight) { - a.property = QDeclarativeProperty(d->target, QLatin1String("height")); - a.toValue = d->toHeight; - extra << a; - } - } - - return extra; -} - -bool QQuickAnchorChanges::changesBindings() -{ - return true; -} - -void QQuickAnchorChanges::saveOriginals() -{ - Q_D(QQuickAnchorChanges); - if (!d->target) - return; - - d->origLeftBinding = QDeclarativePropertyPrivate::binding(d->leftProp); - d->origRightBinding = QDeclarativePropertyPrivate::binding(d->rightProp); - d->origHCenterBinding = QDeclarativePropertyPrivate::binding(d->hCenterProp); - d->origTopBinding = QDeclarativePropertyPrivate::binding(d->topProp); - d->origBottomBinding = QDeclarativePropertyPrivate::binding(d->bottomProp); - d->origVCenterBinding = QDeclarativePropertyPrivate::binding(d->vCenterProp); - d->origBaselineBinding = QDeclarativePropertyPrivate::binding(d->baselineProp); - - QQuickItemPrivate *targetPrivate = QQuickItemPrivate::get(d->target); - if (targetPrivate->widthValid) - d->origWidth = d->target->width(); - if (targetPrivate->heightValid) - d->origHeight = d->target->height(); - d->origX = d->target->x(); - d->origY = d->target->y(); - - d->applyOrigLeft = d->applyOrigRight = d->applyOrigHCenter = d->applyOrigTop - = d->applyOrigBottom = d->applyOrigVCenter = d->applyOrigBaseline = false; - - saveCurrentValues(); -} - -void QQuickAnchorChanges::copyOriginals(QDeclarativeActionEvent *other) -{ - Q_D(QQuickAnchorChanges); - QQuickAnchorChanges *ac = static_cast<QQuickAnchorChanges*>(other); - QQuickAnchorChangesPrivate *acp = ac->d_func(); - - QQuickAnchors::Anchors combined = acp->anchorSet->d_func()->usedAnchors | - acp->anchorSet->d_func()->resetAnchors; - - //probably also need to revert some things - d->applyOrigLeft = (combined & QQuickAnchors::LeftAnchor); - d->applyOrigRight = (combined & QQuickAnchors::RightAnchor); - d->applyOrigHCenter = (combined & QQuickAnchors::HCenterAnchor); - d->applyOrigTop = (combined & QQuickAnchors::TopAnchor); - d->applyOrigBottom = (combined & QQuickAnchors::BottomAnchor); - d->applyOrigVCenter = (combined & QQuickAnchors::VCenterAnchor); - d->applyOrigBaseline = (combined & QQuickAnchors::BaselineAnchor); - - d->origLeftBinding = acp->origLeftBinding; - d->origRightBinding = acp->origRightBinding; - d->origHCenterBinding = acp->origHCenterBinding; - d->origTopBinding = acp->origTopBinding; - d->origBottomBinding = acp->origBottomBinding; - d->origVCenterBinding = acp->origVCenterBinding; - d->origBaselineBinding = acp->origBaselineBinding; - - d->origWidth = acp->origWidth; - d->origHeight = acp->origHeight; - d->origX = acp->origX; - d->origY = acp->origY; - - d->oldBindings.clear(); - d->oldBindings << acp->leftBinding << acp->rightBinding << acp->hCenterBinding - << acp->topBinding << acp->bottomBinding << acp->baselineBinding; - - saveCurrentValues(); -} - -void QQuickAnchorChanges::clearBindings() -{ - Q_D(QQuickAnchorChanges); - if (!d->target) - return; - - //### should this (saving "from" values) be moved to saveCurrentValues()? - d->fromX = d->target->x(); - d->fromY = d->target->y(); - d->fromWidth = d->target->width(); - d->fromHeight = d->target->height(); - - QQuickItemPrivate *targetPrivate = QQuickItemPrivate::get(d->target); - //reset any anchors with corresponding reverts - //reset any anchors that have been specified as "undefined" - //reset any anchors that we'll be setting in the state - QQuickAnchors::Anchors combined = d->anchorSet->d_func()->resetAnchors | - d->anchorSet->d_func()->usedAnchors; - if (d->applyOrigLeft || (combined & QQuickAnchors::LeftAnchor)) { - targetPrivate->anchors()->resetLeft(); - QDeclarativePropertyPrivate::setBinding(d->leftProp, 0); - } - if (d->applyOrigRight || (combined & QQuickAnchors::RightAnchor)) { - targetPrivate->anchors()->resetRight(); - QDeclarativePropertyPrivate::setBinding(d->rightProp, 0); - } - if (d->applyOrigHCenter || (combined & QQuickAnchors::HCenterAnchor)) { - targetPrivate->anchors()->resetHorizontalCenter(); - QDeclarativePropertyPrivate::setBinding(d->hCenterProp, 0); - } - if (d->applyOrigTop || (combined & QQuickAnchors::TopAnchor)) { - targetPrivate->anchors()->resetTop(); - QDeclarativePropertyPrivate::setBinding(d->topProp, 0); - } - if (d->applyOrigBottom || (combined & QQuickAnchors::BottomAnchor)) { - targetPrivate->anchors()->resetBottom(); - QDeclarativePropertyPrivate::setBinding(d->bottomProp, 0); - } - if (d->applyOrigVCenter || (combined & QQuickAnchors::VCenterAnchor)) { - targetPrivate->anchors()->resetVerticalCenter(); - QDeclarativePropertyPrivate::setBinding(d->vCenterProp, 0); - } - if (d->applyOrigBaseline || (combined & QQuickAnchors::BaselineAnchor)) { - targetPrivate->anchors()->resetBaseline(); - QDeclarativePropertyPrivate::setBinding(d->baselineProp, 0); - } -} - -bool QQuickAnchorChanges::override(QDeclarativeActionEvent*other) -{ - if (other->typeName() != QLatin1String("AnchorChanges")) - return false; - if (static_cast<QDeclarativeActionEvent*>(this) == other) - return true; - if (static_cast<QQuickAnchorChanges*>(other)->object() == object()) - return true; - return false; -} - -void QQuickAnchorChanges::rewind() -{ - Q_D(QQuickAnchorChanges); - if (!d->target) - return; - - QQuickItemPrivate *targetPrivate = QQuickItemPrivate::get(d->target); - - //restore previous values (but not previous bindings, i.e. anchors) - d->target->setX(d->rewindX); - d->target->setY(d->rewindY); - if (targetPrivate->widthValid) { - d->target->setWidth(d->rewindWidth); - } - if (targetPrivate->heightValid) { - d->target->setHeight(d->rewindHeight); - } -} - -void QQuickAnchorChanges::saveCurrentValues() -{ - Q_D(QQuickAnchorChanges); - if (!d->target) - return; - - QQuickItemPrivate *targetPrivate = QQuickItemPrivate::get(d->target); - d->rewindLeft = targetPrivate->anchors()->left(); - d->rewindRight = targetPrivate->anchors()->right(); - d->rewindHCenter = targetPrivate->anchors()->horizontalCenter(); - d->rewindTop = targetPrivate->anchors()->top(); - d->rewindBottom = targetPrivate->anchors()->bottom(); - d->rewindVCenter = targetPrivate->anchors()->verticalCenter(); - d->rewindBaseline = targetPrivate->anchors()->baseline(); - - d->rewindX = d->target->x(); - d->rewindY = d->target->y(); - d->rewindWidth = d->target->width(); - d->rewindHeight = d->target->height(); -} - -void QQuickAnchorChanges::saveTargetValues() -{ - Q_D(QQuickAnchorChanges); - if (!d->target) - return; - - d->toX = d->target->x(); - d->toY = d->target->y(); - d->toWidth = d->target->width(); - d->toHeight = d->target->height(); -} - -#include <moc_qquickstateoperations_p.cpp> - -QT_END_NAMESPACE - |