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Diffstat (limited to 'src/qtquick1/util/qdeclarativestateoperations.cpp')
| -rw-r--r-- | src/qtquick1/util/qdeclarativestateoperations.cpp | 1594 |
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diff --git a/src/qtquick1/util/qdeclarativestateoperations.cpp b/src/qtquick1/util/qdeclarativestateoperations.cpp deleted file mode 100644 index c11b199045..0000000000 --- a/src/qtquick1/util/qdeclarativestateoperations.cpp +++ /dev/null @@ -1,1594 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** 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 "QtQuick1/private/qdeclarativestateoperations_p.h" -#include "QtQuick1/private/qdeclarativeanchors_p_p.h" -#include "QtQuick1/private/qdeclarativeitem_p.h" -#include "QtDeclarative/private/qdeclarativenullablevalue_p_p.h" - -#include <QtDeclarative/qdeclarative.h> -#include <QtDeclarative/qdeclarativecontext.h> -#include <QtDeclarative/qdeclarativeexpression.h> -#include <QtDeclarative/qdeclarativeinfo.h> -#include <QtDeclarative/private/qdeclarativeguard_p.h> -#include <QtDeclarative/private/qdeclarativecontext_p.h> -#include <QtDeclarative/private/qdeclarativeproperty_p.h> -#include <QtDeclarative/private/qdeclarativebinding_p.h> -#include <QtQuick1/private/qdeclarativestate_p_p.h> - -#include <QtCore/qdebug.h> -#include <QtWidgets/qgraphicsitem.h> -#include <QtCore/qmath.h> - -#include <private/qobject_p.h> - -QT_BEGIN_NAMESPACE - - - -class QDeclarative1ParentChangePrivate : public QDeclarative1StateOperationPrivate -{ - Q_DECLARE_PUBLIC(QDeclarative1ParentChange) -public: - QDeclarative1ParentChangePrivate() : target(0), parent(0), origParent(0), origStackBefore(0), - rewindParent(0), rewindStackBefore(0) {} - - QDeclarativeItem *target; - QDeclarativeGuard<QDeclarativeItem> parent; - QDeclarativeGuard<QDeclarativeItem> origParent; - QDeclarativeGuard<QDeclarativeItem> origStackBefore; - QDeclarativeItem *rewindParent; - QDeclarativeItem *rewindStackBefore; - - QDeclarativeNullableValue<QDeclarativeScriptString> xString; - QDeclarativeNullableValue<QDeclarativeScriptString> yString; - QDeclarativeNullableValue<QDeclarativeScriptString> widthString; - QDeclarativeNullableValue<QDeclarativeScriptString> heightString; - QDeclarativeNullableValue<QDeclarativeScriptString> scaleString; - QDeclarativeNullableValue<QDeclarativeScriptString> rotationString; - - QDeclarativeNullableValue<qreal> x; - QDeclarativeNullableValue<qreal> y; - QDeclarativeNullableValue<qreal> width; - QDeclarativeNullableValue<qreal> height; - QDeclarativeNullableValue<qreal> scale; - QDeclarativeNullableValue<qreal> rotation; - - void doChange(QDeclarativeItem *targetParent, QDeclarativeItem *stackBefore = 0); -}; - -void QDeclarative1ParentChangePrivate::doChange(QDeclarativeItem *targetParent, QDeclarativeItem *stackBefore) -{ - if (targetParent && target && target->parentItem()) { - Q_Q(QDeclarative1ParentChange); - bool ok; - const QTransform &transform = target->parentItem()->itemTransform(targetParent, &ok); - if (transform.type() >= QTransform::TxShear || !ok) { - qmlInfo(q) << QDeclarative1ParentChange::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) << QDeclarative1ParentChange::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) << QDeclarative1ParentChange::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) << QDeclarative1ParentChange::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() != QDeclarativeItem::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); -} - -/*! - \preliminary - \qmlclass ParentChange QDeclarative1ParentChange - \inqmlmodule QtQuick 1 - \ingroup qml-state-elements - \brief The ParentChange element allows you to reparent an Item in a state change. - - ParentChange reparents an item while preserving its visual appearance (position, size, - rotation, and scale) on screen. You can then specify a transition to move/resize/rotate/scale - the item to its final intended appearance. - - ParentChange can only preserve visual appearance if no complex transforms are involved. - More specifically, it will not work if the transform property has been set for any - items involved in the reparenting (i.e. items in the common ancestor tree - for the original and new parent). - - The example below displays a large red rectangle and a small blue rectangle, side by side. - When the \c blueRect is clicked, it changes to the "reparented" state: its parent is changed to \c redRect and it is - positioned at (10, 10) within the red rectangle, as specified in the ParentChange. - - \snippet doc/src/snippets/qtquick1/parentchange.qml 0 - - \image parentchange.png - - You can specify at which point in a transition you want a ParentChange to occur by - using a ParentAnimation. -*/ - - -QDeclarative1ParentChange::QDeclarative1ParentChange(QObject *parent) - : QDeclarative1StateOperation(*(new QDeclarative1ParentChangePrivate), parent) -{ -} - -QDeclarative1ParentChange::~QDeclarative1ParentChange() -{ -} - -/*! - \qmlproperty real QtQuick1::ParentChange::x - \qmlproperty real QtQuick1::ParentChange::y - \qmlproperty real QtQuick1::ParentChange::width - \qmlproperty real QtQuick1::ParentChange::height - \qmlproperty real QtQuick1::ParentChange::scale - \qmlproperty real QtQuick1::ParentChange::rotation - These properties hold the new position, size, scale, and rotation - for the item in this state. -*/ -QDeclarativeScriptString QDeclarative1ParentChange::x() const -{ - Q_D(const QDeclarative1ParentChange); - return d->xString.value; -} - -void tryReal(QDeclarativeNullableValue<qreal> &value, const QString &string) -{ - bool ok = false; - qreal realValue = string.toFloat(&ok); - if (ok) - value = realValue; - else - value.invalidate(); -} - -void QDeclarative1ParentChange::setX(QDeclarativeScriptString x) -{ - Q_D(QDeclarative1ParentChange); - d->xString = x; - tryReal(d->x, x.script()); -} - -bool QDeclarative1ParentChange::xIsSet() const -{ - Q_D(const QDeclarative1ParentChange); - return d->xString.isValid(); -} - -QDeclarativeScriptString QDeclarative1ParentChange::y() const -{ - Q_D(const QDeclarative1ParentChange); - return d->yString.value; -} - -void QDeclarative1ParentChange::setY(QDeclarativeScriptString y) -{ - Q_D(QDeclarative1ParentChange); - d->yString = y; - tryReal(d->y, y.script()); -} - -bool QDeclarative1ParentChange::yIsSet() const -{ - Q_D(const QDeclarative1ParentChange); - return d->yString.isValid(); -} - -QDeclarativeScriptString QDeclarative1ParentChange::width() const -{ - Q_D(const QDeclarative1ParentChange); - return d->widthString.value; -} - -void QDeclarative1ParentChange::setWidth(QDeclarativeScriptString width) -{ - Q_D(QDeclarative1ParentChange); - d->widthString = width; - tryReal(d->width, width.script()); -} - -bool QDeclarative1ParentChange::widthIsSet() const -{ - Q_D(const QDeclarative1ParentChange); - return d->widthString.isValid(); -} - -QDeclarativeScriptString QDeclarative1ParentChange::height() const -{ - Q_D(const QDeclarative1ParentChange); - return d->heightString.value; -} - -void QDeclarative1ParentChange::setHeight(QDeclarativeScriptString height) -{ - Q_D(QDeclarative1ParentChange); - d->heightString = height; - tryReal(d->height, height.script()); -} - -bool QDeclarative1ParentChange::heightIsSet() const -{ - Q_D(const QDeclarative1ParentChange); - return d->heightString.isValid(); -} - -QDeclarativeScriptString QDeclarative1ParentChange::scale() const -{ - Q_D(const QDeclarative1ParentChange); - return d->scaleString.value; -} - -void QDeclarative1ParentChange::setScale(QDeclarativeScriptString scale) -{ - Q_D(QDeclarative1ParentChange); - d->scaleString = scale; - tryReal(d->scale, scale.script()); -} - -bool QDeclarative1ParentChange::scaleIsSet() const -{ - Q_D(const QDeclarative1ParentChange); - return d->scaleString.isValid(); -} - -QDeclarativeScriptString QDeclarative1ParentChange::rotation() const -{ - Q_D(const QDeclarative1ParentChange); - return d->rotationString.value; -} - -void QDeclarative1ParentChange::setRotation(QDeclarativeScriptString rotation) -{ - Q_D(QDeclarative1ParentChange); - d->rotationString = rotation; - tryReal(d->rotation, rotation.script()); -} - -bool QDeclarative1ParentChange::rotationIsSet() const -{ - Q_D(const QDeclarative1ParentChange); - return d->rotationString.isValid(); -} - -QDeclarativeItem *QDeclarative1ParentChange::originalParent() const -{ - Q_D(const QDeclarative1ParentChange); - return d->origParent; -} - -/*! - \qmlproperty Item QtQuick1::ParentChange::target - This property holds the item to be reparented -*/ - -QDeclarativeItem *QDeclarative1ParentChange::object() const -{ - Q_D(const QDeclarative1ParentChange); - return d->target; -} - -void QDeclarative1ParentChange::setObject(QDeclarativeItem *target) -{ - Q_D(QDeclarative1ParentChange); - d->target = target; -} - -/*! - \qmlproperty Item QtQuick1::ParentChange::parent - This property holds the new parent for the item in this state. -*/ - -QDeclarativeItem *QDeclarative1ParentChange::parent() const -{ - Q_D(const QDeclarative1ParentChange); - return d->parent; -} - -void QDeclarative1ParentChange::setParent(QDeclarativeItem *parent) -{ - Q_D(QDeclarative1ParentChange); - d->parent = parent; -} - -QDeclarative1StateOperation::ActionList QDeclarative1ParentChange::actions() -{ - Q_D(QDeclarative1ParentChange); - if (!d->target || !d->parent) - return ActionList(); - - ActionList actions; - - QDeclarative1Action a; - a.event = this; - actions << a; - - QDeclarativeContext *ctxt = qmlContext(this); - - if (d->xString.isValid()) { - if (d->x.isValid()) { - QDeclarative1Action xa(d->target, QLatin1String("x"), ctxt, d->x.value); - actions << xa; - } else { - QDeclarativeBinding *newBinding = new QDeclarativeBinding(d->xString.value.script(), d->target, ctxt); - newBinding->setTarget(QDeclarativeProperty(d->target, QLatin1String("x"), ctxt)); - QDeclarative1Action xa; - xa.property = newBinding->property(); - xa.toBinding = newBinding; - xa.fromValue = xa.property.read(); - xa.deletableToBinding = true; - actions << xa; - } - } - - if (d->yString.isValid()) { - if (d->y.isValid()) { - QDeclarative1Action ya(d->target, QLatin1String("y"), ctxt, d->y.value); - actions << ya; - } else { - QDeclarativeBinding *newBinding = new QDeclarativeBinding(d->yString.value.script(), d->target, ctxt); - newBinding->setTarget(QDeclarativeProperty(d->target, QLatin1String("y"), ctxt)); - QDeclarative1Action ya; - ya.property = newBinding->property(); - ya.toBinding = newBinding; - ya.fromValue = ya.property.read(); - ya.deletableToBinding = true; - actions << ya; - } - } - - if (d->scaleString.isValid()) { - if (d->scale.isValid()) { - QDeclarative1Action sa(d->target, QLatin1String("scale"), ctxt, d->scale.value); - actions << sa; - } else { - QDeclarativeBinding *newBinding = new QDeclarativeBinding(d->scaleString.value.script(), d->target, ctxt); - newBinding->setTarget(QDeclarativeProperty(d->target, QLatin1String("scale"), ctxt)); - QDeclarative1Action sa; - sa.property = newBinding->property(); - sa.toBinding = newBinding; - sa.fromValue = sa.property.read(); - sa.deletableToBinding = true; - actions << sa; - } - } - - if (d->rotationString.isValid()) { - if (d->rotation.isValid()) { - QDeclarative1Action ra(d->target, QLatin1String("rotation"), ctxt, d->rotation.value); - actions << ra; - } else { - QDeclarativeBinding *newBinding = new QDeclarativeBinding(d->rotationString.value.script(), d->target, ctxt); - newBinding->setTarget(QDeclarativeProperty(d->target, QLatin1String("rotation"), ctxt)); - QDeclarative1Action ra; - ra.property = newBinding->property(); - ra.toBinding = newBinding; - ra.fromValue = ra.property.read(); - ra.deletableToBinding = true; - actions << ra; - } - } - - if (d->widthString.isValid()) { - if (d->width.isValid()) { - QDeclarative1Action wa(d->target, QLatin1String("width"), ctxt, d->width.value); - actions << wa; - } else { - QDeclarativeBinding *newBinding = new QDeclarativeBinding(d->widthString.value.script(), d->target, ctxt); - newBinding->setTarget(QDeclarativeProperty(d->target, QLatin1String("width"), ctxt)); - QDeclarative1Action wa; - wa.property = newBinding->property(); - wa.toBinding = newBinding; - wa.fromValue = wa.property.read(); - wa.deletableToBinding = true; - actions << wa; - } - } - - if (d->heightString.isValid()) { - if (d->height.isValid()) { - QDeclarative1Action ha(d->target, QLatin1String("height"), ctxt, d->height.value); - actions << ha; - } else { - QDeclarativeBinding *newBinding = new QDeclarativeBinding(d->heightString.value.script(), d->target, ctxt); - newBinding->setTarget(QDeclarativeProperty(d->target, QLatin1String("height"), ctxt)); - QDeclarative1Action ha; - ha.property = newBinding->property(); - ha.toBinding = newBinding; - ha.fromValue = ha.property.read(); - ha.deletableToBinding = true; - actions << ha; - } - } - - return actions; -} - -class AccessibleFxItem : public QDeclarativeItem -{ - Q_OBJECT - Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarativeItem) -public: - int siblingIndex() { - Q_D(QDeclarativeItem); - return d->siblingIndex; - } -}; - -void QDeclarative1ParentChange::saveOriginals() -{ - Q_D(QDeclarative1ParentChange); - saveCurrentValues(); - d->origParent = d->rewindParent; - d->origStackBefore = d->rewindStackBefore; -} - -/*void QDeclarative1ParentChange::copyOriginals(QDeclarative1ActionEvent *other) -{ - Q_D(QDeclarative1ParentChange); - QDeclarative1ParentChange *pc = static_cast<QDeclarative1ParentChange*>(other); - - d->origParent = pc->d_func()->rewindParent; - d->origStackBefore = pc->d_func()->rewindStackBefore; - - saveCurrentValues(); -}*/ - -void QDeclarative1ParentChange::execute(Reason) -{ - Q_D(QDeclarative1ParentChange); - d->doChange(d->parent); -} - -bool QDeclarative1ParentChange::isReversable() -{ - return true; -} - -void QDeclarative1ParentChange::reverse(Reason) -{ - Q_D(QDeclarative1ParentChange); - d->doChange(d->origParent, d->origStackBefore); -} - -QString QDeclarative1ParentChange::typeName() const -{ - return QLatin1String("ParentChange"); -} - -bool QDeclarative1ParentChange::override(QDeclarative1ActionEvent*other) -{ - Q_D(QDeclarative1ParentChange); - if (other->typeName() != QLatin1String("ParentChange")) - return false; - if (QDeclarative1ParentChange *otherPC = static_cast<QDeclarative1ParentChange*>(other)) - return (d->target == otherPC->object()); - return false; -} - -void QDeclarative1ParentChange::saveCurrentValues() -{ - Q_D(QDeclarative1ParentChange); - if (!d->target) { - d->rewindParent = 0; - d->rewindStackBefore = 0; - return; - } - - d->rewindParent = d->target->parentItem(); - d->rewindStackBefore = 0; - - if (!d->rewindParent) - return; - - //try to determine the item's original stack position so we can restore it - int siblingIndex = ((AccessibleFxItem*)d->target)->siblingIndex() + 1; - QList<QGraphicsItem*> children = d->rewindParent->childItems(); - for (int i = 0; i < children.count(); ++i) { - QDeclarativeItem *child = qobject_cast<QDeclarativeItem*>(children.at(i)); - if (!child) - continue; - if (((AccessibleFxItem*)child)->siblingIndex() == siblingIndex) { - d->rewindStackBefore = child; - break; - } - } -} - -void QDeclarative1ParentChange::rewind() -{ - Q_D(QDeclarative1ParentChange); - d->doChange(d->rewindParent, d->rewindStackBefore); -} - -class QDeclarative1StateChangeScriptPrivate : public QDeclarative1StateOperationPrivate -{ -public: - QDeclarative1StateChangeScriptPrivate() {} - - QDeclarativeScriptString script; - QString name; -}; - -/*! - \qmlclass StateChangeScript QDeclarative1StateChangeScript - \inqmlmodule QtQuick 1 - \ingroup qml-state-elements - \brief The StateChangeScript element allows you to run a script in a state. - - A StateChangeScript is run upon entering a state. You can optionally use - ScriptAction to specify the point in the transition at which - the StateChangeScript should to be run. - - \snippet snippets/declarative/states/statechangescript.qml state and transition - - \sa ScriptAction -*/ - -QDeclarative1StateChangeScript::QDeclarative1StateChangeScript(QObject *parent) -: QDeclarative1StateOperation(*(new QDeclarative1StateChangeScriptPrivate), parent) -{ -} - -QDeclarative1StateChangeScript::~QDeclarative1StateChangeScript() -{ -} - -/*! - \qmlproperty script QtQuick1::StateChangeScript::script - This property holds the script to run when the state is current. -*/ -QDeclarativeScriptString QDeclarative1StateChangeScript::script() const -{ - Q_D(const QDeclarative1StateChangeScript); - return d->script; -} - -void QDeclarative1StateChangeScript::setScript(const QDeclarativeScriptString &s) -{ - Q_D(QDeclarative1StateChangeScript); - d->script = s; -} - -/*! - \qmlproperty string QtQuick1::StateChangeScript::name - This property holds the name of the script. This name can be used by a - ScriptAction to target a specific script. - - \sa ScriptAction::scriptName -*/ -QString QDeclarative1StateChangeScript::name() const -{ - Q_D(const QDeclarative1StateChangeScript); - return d->name; -} - -void QDeclarative1StateChangeScript::setName(const QString &n) -{ - Q_D(QDeclarative1StateChangeScript); - d->name = n; -} - -void QDeclarative1StateChangeScript::execute(Reason) -{ - Q_D(QDeclarative1StateChangeScript); - const QString &script = d->script.script(); - if (!script.isEmpty()) { - QDeclarativeExpression expr(d->script.context(), d->script.scopeObject(), script); - QDeclarativeData *ddata = QDeclarativeData::get(this); - if (ddata && ddata->outerContext && !ddata->outerContext->url.isEmpty()) - expr.setSourceLocation(ddata->outerContext->url.toString(), ddata->lineNumber, ddata->columnNumber); - expr.evaluate(); - if (expr.hasError()) - qmlInfo(this, expr.error()); - } -} - -QDeclarative1StateChangeScript::ActionList QDeclarative1StateChangeScript::actions() -{ - ActionList rv; - QDeclarative1Action a; - a.event = this; - rv << a; - return rv; -} - -QString QDeclarative1StateChangeScript::typeName() const -{ - return QLatin1String("StateChangeScript"); -} - -/*! - \qmlclass AnchorChanges QDeclarative1AnchorChanges - \inqmlmodule QtQuick 1 - \ingroup qml-state-elements - \brief The AnchorChanges element allows you to change the anchors of an item in a state. - - The AnchorChanges element is used to modify the anchors of an item in a \l State. - - AnchorChanges cannot be used to modify the margins on an item. For this, use - PropertyChanges intead. - - In the following example we change the top and bottom anchors of an item - using AnchorChanges, and the top and bottom anchor margins using - PropertyChanges: - - \snippet doc/src/snippets/qtquick1/anchorchanges.qml 0 - - \image anchorchanges.png - - AnchorChanges can be animated using AnchorAnimation. - \qml - //animate our anchor changes - Transition { - AnchorAnimation {} - } - \endqml - - Margin animations can be animated using NumberAnimation. - - For more information on anchors see \l {anchor-layout}{Anchor Layouts}. -*/ - -class QDeclarative1AnchorSetPrivate : public QObjectPrivate -{ - Q_DECLARE_PUBLIC(QDeclarative1AnchorSet) -public: - QDeclarative1AnchorSetPrivate() - : usedAnchors(0), resetAnchors(0), fill(0), - centerIn(0)/*, leftMargin(0), rightMargin(0), topMargin(0), bottomMargin(0), - margins(0), vCenterOffset(0), hCenterOffset(0), baselineOffset(0)*/ - { - } - - QDeclarative1Anchors::Anchors usedAnchors; - QDeclarative1Anchors::Anchors resetAnchors; - - QDeclarativeItem *fill; - QDeclarativeItem *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;*/ -}; - -QDeclarative1AnchorSet::QDeclarative1AnchorSet(QObject *parent) - : QObject(*new QDeclarative1AnchorSetPrivate, parent) -{ -} - -QDeclarative1AnchorSet::~QDeclarative1AnchorSet() -{ -} - -QDeclarativeScriptString QDeclarative1AnchorSet::top() const -{ - Q_D(const QDeclarative1AnchorSet); - return d->topScript; -} - -void QDeclarative1AnchorSet::setTop(const QDeclarativeScriptString &edge) -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors |= QDeclarative1Anchors::TopAnchor; - d->topScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetTop(); -} - -void QDeclarative1AnchorSet::resetTop() -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors &= ~QDeclarative1Anchors::TopAnchor; - d->topScript = QDeclarativeScriptString(); - d->resetAnchors |= QDeclarative1Anchors::TopAnchor; -} - -QDeclarativeScriptString QDeclarative1AnchorSet::bottom() const -{ - Q_D(const QDeclarative1AnchorSet); - return d->bottomScript; -} - -void QDeclarative1AnchorSet::setBottom(const QDeclarativeScriptString &edge) -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors |= QDeclarative1Anchors::BottomAnchor; - d->bottomScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetBottom(); -} - -void QDeclarative1AnchorSet::resetBottom() -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors &= ~QDeclarative1Anchors::BottomAnchor; - d->bottomScript = QDeclarativeScriptString(); - d->resetAnchors |= QDeclarative1Anchors::BottomAnchor; -} - -QDeclarativeScriptString QDeclarative1AnchorSet::verticalCenter() const -{ - Q_D(const QDeclarative1AnchorSet); - return d->vCenterScript; -} - -void QDeclarative1AnchorSet::setVerticalCenter(const QDeclarativeScriptString &edge) -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors |= QDeclarative1Anchors::VCenterAnchor; - d->vCenterScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetVerticalCenter(); -} - -void QDeclarative1AnchorSet::resetVerticalCenter() -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors &= ~QDeclarative1Anchors::VCenterAnchor; - d->vCenterScript = QDeclarativeScriptString(); - d->resetAnchors |= QDeclarative1Anchors::VCenterAnchor; -} - -QDeclarativeScriptString QDeclarative1AnchorSet::baseline() const -{ - Q_D(const QDeclarative1AnchorSet); - return d->baselineScript; -} - -void QDeclarative1AnchorSet::setBaseline(const QDeclarativeScriptString &edge) -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors |= QDeclarative1Anchors::BaselineAnchor; - d->baselineScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetBaseline(); -} - -void QDeclarative1AnchorSet::resetBaseline() -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors &= ~QDeclarative1Anchors::BaselineAnchor; - d->baselineScript = QDeclarativeScriptString(); - d->resetAnchors |= QDeclarative1Anchors::BaselineAnchor; -} - -QDeclarativeScriptString QDeclarative1AnchorSet::left() const -{ - Q_D(const QDeclarative1AnchorSet); - return d->leftScript; -} - -void QDeclarative1AnchorSet::setLeft(const QDeclarativeScriptString &edge) -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors |= QDeclarative1Anchors::LeftAnchor; - d->leftScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetLeft(); -} - -void QDeclarative1AnchorSet::resetLeft() -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors &= ~QDeclarative1Anchors::LeftAnchor; - d->leftScript = QDeclarativeScriptString(); - d->resetAnchors |= QDeclarative1Anchors::LeftAnchor; -} - -QDeclarativeScriptString QDeclarative1AnchorSet::right() const -{ - Q_D(const QDeclarative1AnchorSet); - return d->rightScript; -} - -void QDeclarative1AnchorSet::setRight(const QDeclarativeScriptString &edge) -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors |= QDeclarative1Anchors::RightAnchor; - d->rightScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetRight(); -} - -void QDeclarative1AnchorSet::resetRight() -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors &= ~QDeclarative1Anchors::RightAnchor; - d->rightScript = QDeclarativeScriptString(); - d->resetAnchors |= QDeclarative1Anchors::RightAnchor; -} - -QDeclarativeScriptString QDeclarative1AnchorSet::horizontalCenter() const -{ - Q_D(const QDeclarative1AnchorSet); - return d->hCenterScript; -} - -void QDeclarative1AnchorSet::setHorizontalCenter(const QDeclarativeScriptString &edge) -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors |= QDeclarative1Anchors::HCenterAnchor; - d->hCenterScript = edge; - if (edge.script() == QLatin1String("undefined")) - resetHorizontalCenter(); -} - -void QDeclarative1AnchorSet::resetHorizontalCenter() -{ - Q_D(QDeclarative1AnchorSet); - d->usedAnchors &= ~QDeclarative1Anchors::HCenterAnchor; - d->hCenterScript = QDeclarativeScriptString(); - d->resetAnchors |= QDeclarative1Anchors::HCenterAnchor; -} - -QDeclarativeItem *QDeclarative1AnchorSet::fill() const -{ - Q_D(const QDeclarative1AnchorSet); - return d->fill; -} - -void QDeclarative1AnchorSet::setFill(QDeclarativeItem *f) -{ - Q_D(QDeclarative1AnchorSet); - d->fill = f; -} - -void QDeclarative1AnchorSet::resetFill() -{ - setFill(0); -} - -QDeclarativeItem *QDeclarative1AnchorSet::centerIn() const -{ - Q_D(const QDeclarative1AnchorSet); - return d->centerIn; -} - -void QDeclarative1AnchorSet::setCenterIn(QDeclarativeItem* c) -{ - Q_D(QDeclarative1AnchorSet); - d->centerIn = c; -} - -void QDeclarative1AnchorSet::resetCenterIn() -{ - setCenterIn(0); -} - - -class QDeclarative1AnchorChangesPrivate : public QDeclarative1StateOperationPrivate -{ -public: - QDeclarative1AnchorChangesPrivate() - : target(0), anchorSet(new QDeclarative1AnchorSet), - 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) - { - - } - ~QDeclarative1AnchorChangesPrivate() { delete anchorSet; } - - QDeclarativeItem *target; - QDeclarative1AnchorSet *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; - - QDeclarative1AnchorLine rewindLeft; - QDeclarative1AnchorLine rewindRight; - QDeclarative1AnchorLine rewindHCenter; - QDeclarative1AnchorLine rewindTop; - QDeclarative1AnchorLine rewindBottom; - QDeclarative1AnchorLine rewindVCenter; - QDeclarative1AnchorLine 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; -}; - -/*! - \qmlproperty Item QtQuick1::AnchorChanges::target - This property holds the \l Item for which the anchor changes will be applied. -*/ - -QDeclarative1AnchorChanges::QDeclarative1AnchorChanges(QObject *parent) - : QDeclarative1StateOperation(*(new QDeclarative1AnchorChangesPrivate), parent) -{ -} - -QDeclarative1AnchorChanges::~QDeclarative1AnchorChanges() -{ -} - -QDeclarative1AnchorChanges::ActionList QDeclarative1AnchorChanges::actions() -{ - Q_D(QDeclarative1AnchorChanges); - 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")); - - QDeclarativeContext *ctxt = qmlContext(this); - - if (d->anchorSet->d_func()->usedAnchors & QDeclarative1Anchors::LeftAnchor) { - d->leftBinding = new QDeclarativeBinding(d->anchorSet->d_func()->leftScript.script(), d->target, ctxt); - d->leftBinding->setTarget(d->leftProp); - } - if (d->anchorSet->d_func()->usedAnchors & QDeclarative1Anchors::RightAnchor) { - d->rightBinding = new QDeclarativeBinding(d->anchorSet->d_func()->rightScript.script(), d->target, ctxt); - d->rightBinding->setTarget(d->rightProp); - } - if (d->anchorSet->d_func()->usedAnchors & QDeclarative1Anchors::HCenterAnchor) { - d->hCenterBinding = new QDeclarativeBinding(d->anchorSet->d_func()->hCenterScript.script(), d->target, ctxt); - d->hCenterBinding->setTarget(d->hCenterProp); - } - if (d->anchorSet->d_func()->usedAnchors & QDeclarative1Anchors::TopAnchor) { - d->topBinding = new QDeclarativeBinding(d->anchorSet->d_func()->topScript.script(), d->target, ctxt); - d->topBinding->setTarget(d->topProp); - } - if (d->anchorSet->d_func()->usedAnchors & QDeclarative1Anchors::BottomAnchor) { - d->bottomBinding = new QDeclarativeBinding(d->anchorSet->d_func()->bottomScript.script(), d->target, ctxt); - d->bottomBinding->setTarget(d->bottomProp); - } - if (d->anchorSet->d_func()->usedAnchors & QDeclarative1Anchors::VCenterAnchor) { - d->vCenterBinding = new QDeclarativeBinding(d->anchorSet->d_func()->vCenterScript.script(), d->target, ctxt); - d->vCenterBinding->setTarget(d->vCenterProp); - } - if (d->anchorSet->d_func()->usedAnchors & QDeclarative1Anchors::BaselineAnchor) { - d->baselineBinding = new QDeclarativeBinding(d->anchorSet->d_func()->baselineScript.script(), d->target, ctxt); - d->baselineBinding->setTarget(d->baselineProp); - } - - QDeclarative1Action a; - a.event = this; - return ActionList() << a; -} - -QDeclarative1AnchorSet *QDeclarative1AnchorChanges::anchors() -{ - Q_D(QDeclarative1AnchorChanges); - return d->anchorSet; -} - -QDeclarativeItem *QDeclarative1AnchorChanges::object() const -{ - Q_D(const QDeclarative1AnchorChanges); - return d->target; -} - -void QDeclarative1AnchorChanges::setObject(QDeclarativeItem *target) -{ - Q_D(QDeclarative1AnchorChanges); - d->target = target; -} - -/*! - \qmlproperty AnchorLine QtQuick1::AnchorChanges::anchors.left - \qmlproperty AnchorLine QtQuick1::AnchorChanges::anchors.right - \qmlproperty AnchorLine QtQuick1::AnchorChanges::anchors.horizontalCenter - \qmlproperty AnchorLine QtQuick1::AnchorChanges::anchors.top - \qmlproperty AnchorLine QtQuick1::AnchorChanges::anchors.bottom - \qmlproperty AnchorLine QtQuick1::AnchorChanges::anchors.verticalCenter - \qmlproperty AnchorLine QtQuick1::AnchorChanges::anchors.baseline - - These properties change the respective anchors of the item. - - To reset an anchor you can assign \c undefined: - \qml - AnchorChanges { - target: myItem - anchors.left: undefined //remove myItem's left anchor - anchors.right: otherItem.right - } - \endqml -*/ - -void QDeclarative1AnchorChanges::execute(Reason reason) -{ - Q_D(QDeclarative1AnchorChanges); - if (!d->target) - return; - - QDeclarativeItemPrivate *targetPrivate = QDeclarativeItemPrivate::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 & QDeclarative1Anchors::LeftAnchor) { - targetPrivate->anchors()->resetLeft(); - QDeclarativePropertyPrivate::setBinding(d->leftProp, 0); - } - if (d->anchorSet->d_func()->resetAnchors & QDeclarative1Anchors::RightAnchor) { - targetPrivate->anchors()->resetRight(); - QDeclarativePropertyPrivate::setBinding(d->rightProp, 0); - } - if (d->anchorSet->d_func()->resetAnchors & QDeclarative1Anchors::HCenterAnchor) { - targetPrivate->anchors()->resetHorizontalCenter(); - QDeclarativePropertyPrivate::setBinding(d->hCenterProp, 0); - } - if (d->anchorSet->d_func()->resetAnchors & QDeclarative1Anchors::TopAnchor) { - targetPrivate->anchors()->resetTop(); - QDeclarativePropertyPrivate::setBinding(d->topProp, 0); - } - if (d->anchorSet->d_func()->resetAnchors & QDeclarative1Anchors::BottomAnchor) { - targetPrivate->anchors()->resetBottom(); - QDeclarativePropertyPrivate::setBinding(d->bottomProp, 0); - } - if (d->anchorSet->d_func()->resetAnchors & QDeclarative1Anchors::VCenterAnchor) { - targetPrivate->anchors()->resetVerticalCenter(); - QDeclarativePropertyPrivate::setBinding(d->vCenterProp, 0); - } - if (d->anchorSet->d_func()->resetAnchors & QDeclarative1Anchors::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 QDeclarative1AnchorChanges::isReversable() -{ - return true; -} - -void QDeclarative1AnchorChanges::reverse(Reason reason) -{ - Q_D(QDeclarative1AnchorChanges); - if (!d->target) - return; - - QDeclarativeItemPrivate *targetPrivate = QDeclarativeItemPrivate::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 - QDeclarative1Anchors::Anchors stateVAnchors = d->anchorSet->d_func()->usedAnchors & QDeclarative1Anchors::Vertical_Mask; - QDeclarative1Anchors::Anchors origVAnchors = targetPrivate->anchors()->usedAnchors() & QDeclarative1Anchors::Vertical_Mask; - QDeclarative1Anchors::Anchors stateHAnchors = d->anchorSet->d_func()->usedAnchors & QDeclarative1Anchors::Horizontal_Mask; - QDeclarative1Anchors::Anchors origHAnchors = targetPrivate->anchors()->usedAnchors() & QDeclarative1Anchors::Horizontal_Mask; - - bool stateSetWidth = (stateHAnchors && - stateHAnchors != QDeclarative1Anchors::LeftAnchor && - stateHAnchors != QDeclarative1Anchors::RightAnchor && - stateHAnchors != QDeclarative1Anchors::HCenterAnchor); - bool origSetWidth = (origHAnchors && - origHAnchors != QDeclarative1Anchors::LeftAnchor && - origHAnchors != QDeclarative1Anchors::RightAnchor && - origHAnchors != QDeclarative1Anchors::HCenterAnchor); - if (d->origWidth.isValid() && stateSetWidth && !origSetWidth) - d->target->setWidth(d->origWidth.value); - - bool stateSetHeight = (stateVAnchors && - stateVAnchors != QDeclarative1Anchors::TopAnchor && - stateVAnchors != QDeclarative1Anchors::BottomAnchor && - stateVAnchors != QDeclarative1Anchors::VCenterAnchor && - stateVAnchors != QDeclarative1Anchors::BaselineAnchor); - bool origSetHeight = (origVAnchors && - origVAnchors != QDeclarative1Anchors::TopAnchor && - origVAnchors != QDeclarative1Anchors::BottomAnchor && - origVAnchors != QDeclarative1Anchors::VCenterAnchor && - origVAnchors != QDeclarative1Anchors::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 QDeclarative1AnchorChanges::typeName() const -{ - return QLatin1String("AnchorChanges"); -} - -QList<QDeclarative1Action> QDeclarative1AnchorChanges::additionalActions() -{ - Q_D(QDeclarative1AnchorChanges); - QList<QDeclarative1Action> extra; - - QDeclarative1Anchors::Anchors combined = d->anchorSet->d_func()->usedAnchors | d->anchorSet->d_func()->resetAnchors; - bool hChange = combined & QDeclarative1Anchors::Horizontal_Mask; - bool vChange = combined & QDeclarative1Anchors::Vertical_Mask; - - if (d->target) { - QDeclarativeContext *ctxt = qmlContext(this); - QDeclarative1Action a; - if (hChange && d->fromX != d->toX) { - a.property = QDeclarativeProperty(d->target, QLatin1String("x"), ctxt); - a.toValue = d->toX; - extra << a; - } - if (vChange && d->fromY != d->toY) { - a.property = QDeclarativeProperty(d->target, QLatin1String("y"), ctxt); - a.toValue = d->toY; - extra << a; - } - if (hChange && d->fromWidth != d->toWidth) { - a.property = QDeclarativeProperty(d->target, QLatin1String("width"), ctxt); - a.toValue = d->toWidth; - extra << a; - } - if (vChange && d->fromHeight != d->toHeight) { - a.property = QDeclarativeProperty(d->target, QLatin1String("height"), ctxt); - a.toValue = d->toHeight; - extra << a; - } - } - - return extra; -} - -bool QDeclarative1AnchorChanges::changesBindings() -{ - return true; -} - -void QDeclarative1AnchorChanges::saveOriginals() -{ - Q_D(QDeclarative1AnchorChanges); - 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); - - QDeclarativeItemPrivate *targetPrivate = QDeclarativeItemPrivate::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 QDeclarative1AnchorChanges::copyOriginals(QDeclarative1ActionEvent *other) -{ - Q_D(QDeclarative1AnchorChanges); - QDeclarative1AnchorChanges *ac = static_cast<QDeclarative1AnchorChanges*>(other); - QDeclarative1AnchorChangesPrivate *acp = ac->d_func(); - - QDeclarative1Anchors::Anchors combined = acp->anchorSet->d_func()->usedAnchors | - acp->anchorSet->d_func()->resetAnchors; - - //probably also need to revert some things - d->applyOrigLeft = (combined & QDeclarative1Anchors::LeftAnchor); - d->applyOrigRight = (combined & QDeclarative1Anchors::RightAnchor); - d->applyOrigHCenter = (combined & QDeclarative1Anchors::HCenterAnchor); - d->applyOrigTop = (combined & QDeclarative1Anchors::TopAnchor); - d->applyOrigBottom = (combined & QDeclarative1Anchors::BottomAnchor); - d->applyOrigVCenter = (combined & QDeclarative1Anchors::VCenterAnchor); - d->applyOrigBaseline = (combined & QDeclarative1Anchors::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 QDeclarative1AnchorChanges::clearBindings() -{ - Q_D(QDeclarative1AnchorChanges); - 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(); - - QDeclarativeItemPrivate *targetPrivate = QDeclarativeItemPrivate::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 - QDeclarative1Anchors::Anchors combined = d->anchorSet->d_func()->resetAnchors | - d->anchorSet->d_func()->usedAnchors; - if (d->applyOrigLeft || (combined & QDeclarative1Anchors::LeftAnchor)) { - targetPrivate->anchors()->resetLeft(); - QDeclarativePropertyPrivate::setBinding(d->leftProp, 0); - } - if (d->applyOrigRight || (combined & QDeclarative1Anchors::RightAnchor)) { - targetPrivate->anchors()->resetRight(); - QDeclarativePropertyPrivate::setBinding(d->rightProp, 0); - } - if (d->applyOrigHCenter || (combined & QDeclarative1Anchors::HCenterAnchor)) { - targetPrivate->anchors()->resetHorizontalCenter(); - QDeclarativePropertyPrivate::setBinding(d->hCenterProp, 0); - } - if (d->applyOrigTop || (combined & QDeclarative1Anchors::TopAnchor)) { - targetPrivate->anchors()->resetTop(); - QDeclarativePropertyPrivate::setBinding(d->topProp, 0); - } - if (d->applyOrigBottom || (combined & QDeclarative1Anchors::BottomAnchor)) { - targetPrivate->anchors()->resetBottom(); - QDeclarativePropertyPrivate::setBinding(d->bottomProp, 0); - } - if (d->applyOrigVCenter || (combined & QDeclarative1Anchors::VCenterAnchor)) { - targetPrivate->anchors()->resetVerticalCenter(); - QDeclarativePropertyPrivate::setBinding(d->vCenterProp, 0); - } - if (d->applyOrigBaseline || (combined & QDeclarative1Anchors::BaselineAnchor)) { - targetPrivate->anchors()->resetBaseline(); - QDeclarativePropertyPrivate::setBinding(d->baselineProp, 0); - } -} - -bool QDeclarative1AnchorChanges::override(QDeclarative1ActionEvent*other) -{ - if (other->typeName() != QLatin1String("AnchorChanges")) - return false; - if (static_cast<QDeclarative1ActionEvent*>(this) == other) - return true; - if (static_cast<QDeclarative1AnchorChanges*>(other)->object() == object()) - return true; - return false; -} - -void QDeclarative1AnchorChanges::rewind() -{ - Q_D(QDeclarative1AnchorChanges); - if (!d->target) - return; - - QDeclarativeItemPrivate *targetPrivate = QDeclarativeItemPrivate::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 QDeclarative1AnchorChanges::saveCurrentValues() -{ - Q_D(QDeclarative1AnchorChanges); - if (!d->target) - return; - - QDeclarativeItemPrivate *targetPrivate = QDeclarativeItemPrivate::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 QDeclarative1AnchorChanges::saveTargetValues() -{ - Q_D(QDeclarative1AnchorChanges); - 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 <qdeclarativestateoperations.moc> -#include <moc_qdeclarativestateoperations_p.cpp> - - - -QT_END_NAMESPACE - |