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Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativeanchors.cpp')
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativeanchors.cpp | 1165 |
1 files changed, 0 insertions, 1165 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativeanchors.cpp b/src/declarative/graphicsitems/qdeclarativeanchors.cpp deleted file mode 100644 index c15384e632..0000000000 --- a/src/declarative/graphicsitems/qdeclarativeanchors.cpp +++ /dev/null @@ -1,1165 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 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 "private/qdeclarativeanchors_p_p.h" - -#include "qdeclarativeitem.h" -#include "private/qdeclarativeitem_p.h" - -#include <qdeclarativeinfo.h> - -#include <QDebug> - -QT_BEGIN_NAMESPACE - -//TODO: should we cache relationships, so we don't have to check each time (parent-child or sibling)? -//TODO: support non-parent, non-sibling (need to find lowest common ancestor) - -static qreal hcenter(QGraphicsItem *i) -{ - QGraphicsItemPrivate *item = QGraphicsItemPrivate::get(i); - - qreal width = item->width(); - int iw = width; - if (iw % 2) - return (width + 1) / 2; - else - return width / 2; -} - -static qreal vcenter(QGraphicsItem *i) -{ - QGraphicsItemPrivate *item = QGraphicsItemPrivate::get(i); - - qreal height = item->height(); - int ih = height; - if (ih % 2) - return (height + 1) / 2; - else - return height / 2; -} - -//### const item? -//local position -static qreal position(QGraphicsObject *item, QDeclarativeAnchorLine::AnchorLine anchorLine) -{ - qreal ret = 0.0; - QGraphicsItemPrivate *d = QGraphicsItemPrivate::get(item); - switch(anchorLine) { - case QDeclarativeAnchorLine::Left: - ret = item->x(); - break; - case QDeclarativeAnchorLine::Right: - ret = item->x() + d->width(); - break; - case QDeclarativeAnchorLine::Top: - ret = item->y(); - break; - case QDeclarativeAnchorLine::Bottom: - ret = item->y() + d->height(); - break; - case QDeclarativeAnchorLine::HCenter: - ret = item->x() + hcenter(item); - break; - case QDeclarativeAnchorLine::VCenter: - ret = item->y() + vcenter(item); - break; - case QDeclarativeAnchorLine::Baseline: - if (d->isDeclarativeItem) - ret = item->y() + static_cast<QDeclarativeItem*>(item)->baselineOffset(); - break; - default: - break; - } - - return ret; -} - -//position when origin is 0,0 -static qreal adjustedPosition(QGraphicsObject *item, QDeclarativeAnchorLine::AnchorLine anchorLine) -{ - qreal ret = 0.0; - QGraphicsItemPrivate *d = QGraphicsItemPrivate::get(item); - switch(anchorLine) { - case QDeclarativeAnchorLine::Left: - ret = 0.0; - break; - case QDeclarativeAnchorLine::Right: - ret = d->width(); - break; - case QDeclarativeAnchorLine::Top: - ret = 0.0; - break; - case QDeclarativeAnchorLine::Bottom: - ret = d->height(); - break; - case QDeclarativeAnchorLine::HCenter: - ret = hcenter(item); - break; - case QDeclarativeAnchorLine::VCenter: - ret = vcenter(item); - break; - case QDeclarativeAnchorLine::Baseline: - if (d->isDeclarativeItem) - ret = static_cast<QDeclarativeItem*>(item)->baselineOffset(); - break; - default: - break; - } - - return ret; -} - -QDeclarativeAnchors::QDeclarativeAnchors(QObject *parent) - : QObject(*new QDeclarativeAnchorsPrivate(0), parent) -{ - qFatal("QDeclarativeAnchors::QDeclarativeAnchors(QObject*) called"); -} - -QDeclarativeAnchors::QDeclarativeAnchors(QGraphicsObject *item, QObject *parent) - : QObject(*new QDeclarativeAnchorsPrivate(item), parent) -{ -} - -QDeclarativeAnchors::~QDeclarativeAnchors() -{ - Q_D(QDeclarativeAnchors); - d->remDepend(d->fill); - d->remDepend(d->centerIn); - d->remDepend(d->left.item); - d->remDepend(d->right.item); - d->remDepend(d->top.item); - d->remDepend(d->bottom.item); - d->remDepend(d->vCenter.item); - d->remDepend(d->hCenter.item); - d->remDepend(d->baseline.item); -} - -void QDeclarativeAnchorsPrivate::fillChanged() -{ - Q_Q(QDeclarativeAnchors); - if (!fill || !isItemComplete()) - return; - - if (updatingFill < 2) { - ++updatingFill; - - qreal horizontalMargin = q->mirrored() ? rightMargin : leftMargin; - - if (fill == item->parentItem()) { //child-parent - setItemPos(QPointF(horizontalMargin, topMargin)); - } else if (fill->parentItem() == item->parentItem()) { //siblings - setItemPos(QPointF(fill->x()+horizontalMargin, fill->y()+topMargin)); - } - QGraphicsItemPrivate *fillPrivate = QGraphicsItemPrivate::get(fill); - setItemSize(QSizeF(fillPrivate->width()-leftMargin-rightMargin, fillPrivate->height()-topMargin-bottomMargin)); - - --updatingFill; - } else { - // ### Make this certain :) - qmlInfo(item) << QDeclarativeAnchors::tr("Possible anchor loop detected on fill."); - } - -} - -void QDeclarativeAnchorsPrivate::centerInChanged() -{ - Q_Q(QDeclarativeAnchors); - if (!centerIn || fill || !isItemComplete()) - return; - - if (updatingCenterIn < 2) { - ++updatingCenterIn; - - qreal effectiveHCenterOffset = q->mirrored() ? -hCenterOffset : hCenterOffset; - if (centerIn == item->parentItem()) { - QPointF p(hcenter(item->parentItem()) - hcenter(item) + effectiveHCenterOffset, - vcenter(item->parentItem()) - vcenter(item) + vCenterOffset); - setItemPos(p); - - } else if (centerIn->parentItem() == item->parentItem()) { - QPointF p(centerIn->x() + hcenter(centerIn) - hcenter(item) + effectiveHCenterOffset, - centerIn->y() + vcenter(centerIn) - vcenter(item) + vCenterOffset); - setItemPos(p); - } - - --updatingCenterIn; - } else { - // ### Make this certain :) - qmlInfo(item) << QDeclarativeAnchors::tr("Possible anchor loop detected on centerIn."); - } -} - -void QDeclarativeAnchorsPrivate::clearItem(QGraphicsObject *item) -{ - if (!item) - return; - if (fill == item) - fill = 0; - if (centerIn == item) - centerIn = 0; - if (left.item == item) { - left.item = 0; - usedAnchors &= ~QDeclarativeAnchors::LeftAnchor; - } - if (right.item == item) { - right.item = 0; - usedAnchors &= ~QDeclarativeAnchors::RightAnchor; - } - if (top.item == item) { - top.item = 0; - usedAnchors &= ~QDeclarativeAnchors::TopAnchor; - } - if (bottom.item == item) { - bottom.item = 0; - usedAnchors &= ~QDeclarativeAnchors::BottomAnchor; - } - if (vCenter.item == item) { - vCenter.item = 0; - usedAnchors &= ~QDeclarativeAnchors::VCenterAnchor; - } - if (hCenter.item == item) { - hCenter.item = 0; - usedAnchors &= ~QDeclarativeAnchors::HCenterAnchor; - } - if (baseline.item == item) { - baseline.item = 0; - usedAnchors &= ~QDeclarativeAnchors::BaselineAnchor; - } -} - -void QDeclarativeAnchorsPrivate::addDepend(QGraphicsObject *item) -{ - if (!item) - return; - QGraphicsItemPrivate * itemPrivate = QGraphicsItemPrivate::get(item); - if (itemPrivate->isDeclarativeItem) { - QDeclarativeItemPrivate *p = - static_cast<QDeclarativeItemPrivate *>(QGraphicsItemPrivate::get(item)); - p->addItemChangeListener(this, QDeclarativeItemPrivate::Geometry); - } else if(itemPrivate->isWidget) { - Q_Q(QDeclarativeAnchors); - QGraphicsWidget *widget = static_cast<QGraphicsWidget *>(item); - QObject::connect(widget, SIGNAL(destroyed(QObject*)), q, SLOT(_q_widgetDestroyed(QObject*))); - QObject::connect(widget, SIGNAL(geometryChanged()), q, SLOT(_q_widgetGeometryChanged())); - } -} - -void QDeclarativeAnchorsPrivate::remDepend(QGraphicsObject *item) -{ - if (!item) - return; - QGraphicsItemPrivate * itemPrivate = QGraphicsItemPrivate::get(item); - if (itemPrivate->isDeclarativeItem) { - QDeclarativeItemPrivate *p = - static_cast<QDeclarativeItemPrivate *>(itemPrivate); - p->removeItemChangeListener(this, QDeclarativeItemPrivate::Geometry); - } else if(itemPrivate->isWidget) { - Q_Q(QDeclarativeAnchors); - QGraphicsWidget *widget = static_cast<QGraphicsWidget *>(item); - QObject::disconnect(widget, SIGNAL(destroyed(QObject*)), q, SLOT(_q_widgetDestroyed(QObject*))); - QObject::disconnect(widget, SIGNAL(geometryChanged()), q, SLOT(_q_widgetGeometryChanged())); - } -} - -bool QDeclarativeAnchorsPrivate::isItemComplete() const -{ - return componentComplete; -} - -void QDeclarativeAnchors::classBegin() -{ - Q_D(QDeclarativeAnchors); - d->componentComplete = false; -} - -void QDeclarativeAnchors::componentComplete() -{ - Q_D(QDeclarativeAnchors); - d->componentComplete = true; -} - -bool QDeclarativeAnchors::mirrored() -{ - Q_D(QDeclarativeAnchors); - QGraphicsItemPrivate * itemPrivate = QGraphicsItemPrivate::get(d->item); - return itemPrivate->isDeclarativeItem ? static_cast<QDeclarativeItemPrivate *>(itemPrivate)->effectiveLayoutMirror : false; -} - -void QDeclarativeAnchorsPrivate::setItemHeight(qreal v) -{ - updatingMe = true; - QGraphicsItemPrivate::get(item)->setHeight(v); - updatingMe = false; -} - -void QDeclarativeAnchorsPrivate::setItemWidth(qreal v) -{ - updatingMe = true; - QGraphicsItemPrivate::get(item)->setWidth(v); - updatingMe = false; -} - -void QDeclarativeAnchorsPrivate::setItemX(qreal v) -{ - updatingMe = true; - item->setX(v); - updatingMe = false; -} - -void QDeclarativeAnchorsPrivate::setItemY(qreal v) -{ - updatingMe = true; - item->setY(v); - updatingMe = false; -} - -void QDeclarativeAnchorsPrivate::setItemPos(const QPointF &v) -{ - updatingMe = true; - item->setPos(v); - updatingMe = false; -} - -void QDeclarativeAnchorsPrivate::setItemSize(const QSizeF &v) -{ - updatingMe = true; - if(QGraphicsItemPrivate::get(item)->isWidget) - static_cast<QGraphicsWidget *>(item)->resize(v); - else if (QGraphicsItemPrivate::get(item)->isDeclarativeItem) - static_cast<QDeclarativeItem *>(item)->setSize(v); - updatingMe = false; -} - -void QDeclarativeAnchorsPrivate::updateMe() -{ - if (updatingMe) { - updatingMe = false; - return; - } - - fillChanged(); - centerInChanged(); - updateHorizontalAnchors(); - updateVerticalAnchors(); -} - -void QDeclarativeAnchorsPrivate::updateOnComplete() -{ - fillChanged(); - centerInChanged(); - updateHorizontalAnchors(); - updateVerticalAnchors(); -} - -void QDeclarativeAnchorsPrivate::_q_widgetDestroyed(QObject *obj) -{ - clearItem(qobject_cast<QGraphicsObject*>(obj)); -} - -void QDeclarativeAnchorsPrivate::_q_widgetGeometryChanged() -{ - fillChanged(); - centerInChanged(); - updateHorizontalAnchors(); - updateVerticalAnchors(); -} - -void QDeclarativeAnchorsPrivate::itemGeometryChanged(QDeclarativeItem *, const QRectF &newG, const QRectF &oldG) -{ - fillChanged(); - centerInChanged(); - if (newG.x() != oldG.x() || newG.width() != oldG.width()) - updateHorizontalAnchors(); - if (newG.y() != oldG.y() || newG.height() != oldG.height()) - updateVerticalAnchors(); -} - -QGraphicsObject *QDeclarativeAnchors::fill() const -{ - Q_D(const QDeclarativeAnchors); - return d->fill; -} - -void QDeclarativeAnchors::setFill(QGraphicsObject *f) -{ - Q_D(QDeclarativeAnchors); - if (d->fill == f) - return; - - if (!f) { - d->remDepend(d->fill); - d->fill = f; - emit fillChanged(); - return; - } - if (f != d->item->parentItem() && f->parentItem() != d->item->parentItem()){ - qmlInfo(d->item) << tr("Cannot anchor to an item that isn't a parent or sibling."); - return; - } - d->remDepend(d->fill); - d->fill = f; - d->addDepend(d->fill); - emit fillChanged(); - d->fillChanged(); -} - -void QDeclarativeAnchors::resetFill() -{ - setFill(0); -} - -QGraphicsObject *QDeclarativeAnchors::centerIn() const -{ - Q_D(const QDeclarativeAnchors); - return d->centerIn; -} - -void QDeclarativeAnchors::setCenterIn(QGraphicsObject* c) -{ - Q_D(QDeclarativeAnchors); - if (d->centerIn == c) - return; - - if (!c) { - d->remDepend(d->centerIn); - d->centerIn = c; - emit centerInChanged(); - return; - } - if (c != d->item->parentItem() && c->parentItem() != d->item->parentItem()){ - qmlInfo(d->item) << tr("Cannot anchor to an item that isn't a parent or sibling."); - return; - } - - d->remDepend(d->centerIn); - d->centerIn = c; - d->addDepend(d->centerIn); - emit centerInChanged(); - d->centerInChanged(); -} - -void QDeclarativeAnchors::resetCenterIn() -{ - setCenterIn(0); -} - -bool QDeclarativeAnchorsPrivate::calcStretch(const QDeclarativeAnchorLine &edge1, - const QDeclarativeAnchorLine &edge2, - qreal offset1, - qreal offset2, - QDeclarativeAnchorLine::AnchorLine line, - qreal &stretch) -{ - bool edge1IsParent = (edge1.item == item->parentItem()); - bool edge2IsParent = (edge2.item == item->parentItem()); - bool edge1IsSibling = (edge1.item->parentItem() == item->parentItem()); - bool edge2IsSibling = (edge2.item->parentItem() == item->parentItem()); - - bool invalid = false; - if ((edge2IsParent && edge1IsParent) || (edge2IsSibling && edge1IsSibling)) { - stretch = (position(edge2.item, edge2.anchorLine) + offset2) - - (position(edge1.item, edge1.anchorLine) + offset1); - } else if (edge2IsParent && edge1IsSibling) { - stretch = (position(edge2.item, edge2.anchorLine) + offset2) - - (position(item->parentObject(), line) - + position(edge1.item, edge1.anchorLine) + offset1); - } else if (edge2IsSibling && edge1IsParent) { - stretch = (position(item->parentObject(), line) + position(edge2.item, edge2.anchorLine) + offset2) - - (position(edge1.item, edge1.anchorLine) + offset1); - } else - invalid = true; - - return invalid; -} - -void QDeclarativeAnchorsPrivate::updateVerticalAnchors() -{ - if (fill || centerIn || !isItemComplete()) - return; - - if (updatingVerticalAnchor < 2) { - ++updatingVerticalAnchor; - QGraphicsItemPrivate *itemPrivate = QGraphicsItemPrivate::get(item); - if (usedAnchors & QDeclarativeAnchors::TopAnchor) { - //Handle stretching - bool invalid = true; - qreal height = 0.0; - if (usedAnchors & QDeclarativeAnchors::BottomAnchor) { - invalid = calcStretch(top, bottom, topMargin, -bottomMargin, QDeclarativeAnchorLine::Top, height); - } else if (usedAnchors & QDeclarativeAnchors::VCenterAnchor) { - invalid = calcStretch(top, vCenter, topMargin, vCenterOffset, QDeclarativeAnchorLine::Top, height); - height *= 2; - } - if (!invalid) - setItemHeight(height); - - //Handle top - if (top.item == item->parentItem()) { - setItemY(adjustedPosition(top.item, top.anchorLine) + topMargin); - } else if (top.item->parentItem() == item->parentItem()) { - setItemY(position(top.item, top.anchorLine) + topMargin); - } - } else if (usedAnchors & QDeclarativeAnchors::BottomAnchor) { - //Handle stretching (top + bottom case is handled above) - if (usedAnchors & QDeclarativeAnchors::VCenterAnchor) { - qreal height = 0.0; - bool invalid = calcStretch(vCenter, bottom, vCenterOffset, -bottomMargin, - QDeclarativeAnchorLine::Top, height); - if (!invalid) - setItemHeight(height*2); - } - - //Handle bottom - if (bottom.item == item->parentItem()) { - setItemY(adjustedPosition(bottom.item, bottom.anchorLine) - itemPrivate->height() - bottomMargin); - } else if (bottom.item->parentItem() == item->parentItem()) { - setItemY(position(bottom.item, bottom.anchorLine) - itemPrivate->height() - bottomMargin); - } - } else if (usedAnchors & QDeclarativeAnchors::VCenterAnchor) { - //(stetching handled above) - - //Handle vCenter - if (vCenter.item == item->parentItem()) { - setItemY(adjustedPosition(vCenter.item, vCenter.anchorLine) - - vcenter(item) + vCenterOffset); - } else if (vCenter.item->parentItem() == item->parentItem()) { - setItemY(position(vCenter.item, vCenter.anchorLine) - vcenter(item) + vCenterOffset); - } - } else if (usedAnchors & QDeclarativeAnchors::BaselineAnchor) { - //Handle baseline - if (baseline.item == item->parentItem()) { - if (itemPrivate->isDeclarativeItem) - setItemY(adjustedPosition(baseline.item, baseline.anchorLine) - - static_cast<QDeclarativeItem *>(item)->baselineOffset() + baselineOffset); - } else if (baseline.item->parentItem() == item->parentItem()) { - if (itemPrivate->isDeclarativeItem) - setItemY(position(baseline.item, baseline.anchorLine) - - static_cast<QDeclarativeItem *>(item)->baselineOffset() + baselineOffset); - } - } - --updatingVerticalAnchor; - } else { - // ### Make this certain :) - qmlInfo(item) << QDeclarativeAnchors::tr("Possible anchor loop detected on vertical anchor."); - } -} - -inline QDeclarativeAnchorLine::AnchorLine reverseAnchorLine(QDeclarativeAnchorLine::AnchorLine anchorLine) { - if (anchorLine == QDeclarativeAnchorLine::Left) { - return QDeclarativeAnchorLine::Right; - } else if (anchorLine == QDeclarativeAnchorLine::Right) { - return QDeclarativeAnchorLine::Left; - } else { - return anchorLine; - } -} - -void QDeclarativeAnchorsPrivate::updateHorizontalAnchors() -{ - Q_Q(QDeclarativeAnchors); - if (fill || centerIn || !isItemComplete()) - return; - - if (updatingHorizontalAnchor < 3) { - ++updatingHorizontalAnchor; - qreal effectiveRightMargin, effectiveLeftMargin, effectiveHorizontalCenterOffset; - QDeclarativeAnchorLine effectiveLeft, effectiveRight, effectiveHorizontalCenter; - QDeclarativeAnchors::Anchor effectiveLeftAnchor, effectiveRightAnchor; - if (q->mirrored()) { - effectiveLeftAnchor = QDeclarativeAnchors::RightAnchor; - effectiveRightAnchor = QDeclarativeAnchors::LeftAnchor; - effectiveLeft.item = right.item; - effectiveLeft.anchorLine = reverseAnchorLine(right.anchorLine); - effectiveRight.item = left.item; - effectiveRight.anchorLine = reverseAnchorLine(left.anchorLine); - effectiveHorizontalCenter.item = hCenter.item; - effectiveHorizontalCenter.anchorLine = reverseAnchorLine(hCenter.anchorLine); - effectiveLeftMargin = rightMargin; - effectiveRightMargin = leftMargin; - effectiveHorizontalCenterOffset = -hCenterOffset; - } else { - effectiveLeftAnchor = QDeclarativeAnchors::LeftAnchor; - effectiveRightAnchor = QDeclarativeAnchors::RightAnchor; - effectiveLeft = left; - effectiveRight = right; - effectiveHorizontalCenter = hCenter; - effectiveLeftMargin = leftMargin; - effectiveRightMargin = rightMargin; - effectiveHorizontalCenterOffset = hCenterOffset; - } - - QGraphicsItemPrivate *itemPrivate = QGraphicsItemPrivate::get(item); - if (usedAnchors & effectiveLeftAnchor) { - //Handle stretching - bool invalid = true; - qreal width = 0.0; - if (usedAnchors & effectiveRightAnchor) { - invalid = calcStretch(effectiveLeft, effectiveRight, effectiveLeftMargin, -effectiveRightMargin, QDeclarativeAnchorLine::Left, width); - } else if (usedAnchors & QDeclarativeAnchors::HCenterAnchor) { - invalid = calcStretch(effectiveLeft, effectiveHorizontalCenter, effectiveLeftMargin, effectiveHorizontalCenterOffset, QDeclarativeAnchorLine::Left, width); - width *= 2; - } - if (!invalid) - setItemWidth(width); - - //Handle left - if (effectiveLeft.item == item->parentItem()) { - setItemX(adjustedPosition(effectiveLeft.item, effectiveLeft.anchorLine) + effectiveLeftMargin); - } else if (effectiveLeft.item->parentItem() == item->parentItem()) { - setItemX(position(effectiveLeft.item, effectiveLeft.anchorLine) + effectiveLeftMargin); - } - } else if (usedAnchors & effectiveRightAnchor) { - //Handle stretching (left + right case is handled in updateLeftAnchor) - if (usedAnchors & QDeclarativeAnchors::HCenterAnchor) { - qreal width = 0.0; - bool invalid = calcStretch(effectiveHorizontalCenter, effectiveRight, effectiveHorizontalCenterOffset, -effectiveRightMargin, - QDeclarativeAnchorLine::Left, width); - if (!invalid) - setItemWidth(width*2); - } - - //Handle right - if (effectiveRight.item == item->parentItem()) { - setItemX(adjustedPosition(effectiveRight.item, effectiveRight.anchorLine) - itemPrivate->width() - effectiveRightMargin); - } else if (effectiveRight.item->parentItem() == item->parentItem()) { - setItemX(position(effectiveRight.item, effectiveRight.anchorLine) - itemPrivate->width() - effectiveRightMargin); - } - } else if (usedAnchors & QDeclarativeAnchors::HCenterAnchor) { - //Handle hCenter - if (effectiveHorizontalCenter.item == item->parentItem()) { - setItemX(adjustedPosition(effectiveHorizontalCenter.item, effectiveHorizontalCenter.anchorLine) - hcenter(item) + effectiveHorizontalCenterOffset); - } else if (effectiveHorizontalCenter.item->parentItem() == item->parentItem()) { - setItemX(position(effectiveHorizontalCenter.item, effectiveHorizontalCenter.anchorLine) - hcenter(item) + effectiveHorizontalCenterOffset); - } - } - --updatingHorizontalAnchor; - } else { - // ### Make this certain :) - qmlInfo(item) << QDeclarativeAnchors::tr("Possible anchor loop detected on horizontal anchor."); - } -} - -QDeclarativeAnchorLine QDeclarativeAnchors::top() const -{ - Q_D(const QDeclarativeAnchors); - return d->top; -} - -void QDeclarativeAnchors::setTop(const QDeclarativeAnchorLine &edge) -{ - Q_D(QDeclarativeAnchors); - if (!d->checkVAnchorValid(edge) || d->top == edge) - return; - - d->usedAnchors |= TopAnchor; - - if (!d->checkVValid()) { - d->usedAnchors &= ~TopAnchor; - return; - } - - d->remDepend(d->top.item); - d->top = edge; - d->addDepend(d->top.item); - emit topChanged(); - d->updateVerticalAnchors(); -} - -void QDeclarativeAnchors::resetTop() -{ - Q_D(QDeclarativeAnchors); - d->usedAnchors &= ~TopAnchor; - d->remDepend(d->top.item); - d->top = QDeclarativeAnchorLine(); - emit topChanged(); - d->updateVerticalAnchors(); -} - -QDeclarativeAnchorLine QDeclarativeAnchors::bottom() const -{ - Q_D(const QDeclarativeAnchors); - return d->bottom; -} - -void QDeclarativeAnchors::setBottom(const QDeclarativeAnchorLine &edge) -{ - Q_D(QDeclarativeAnchors); - if (!d->checkVAnchorValid(edge) || d->bottom == edge) - return; - - d->usedAnchors |= BottomAnchor; - - if (!d->checkVValid()) { - d->usedAnchors &= ~BottomAnchor; - return; - } - - d->remDepend(d->bottom.item); - d->bottom = edge; - d->addDepend(d->bottom.item); - emit bottomChanged(); - d->updateVerticalAnchors(); -} - -void QDeclarativeAnchors::resetBottom() -{ - Q_D(QDeclarativeAnchors); - d->usedAnchors &= ~BottomAnchor; - d->remDepend(d->bottom.item); - d->bottom = QDeclarativeAnchorLine(); - emit bottomChanged(); - d->updateVerticalAnchors(); -} - -QDeclarativeAnchorLine QDeclarativeAnchors::verticalCenter() const -{ - Q_D(const QDeclarativeAnchors); - return d->vCenter; -} - -void QDeclarativeAnchors::setVerticalCenter(const QDeclarativeAnchorLine &edge) -{ - Q_D(QDeclarativeAnchors); - if (!d->checkVAnchorValid(edge) || d->vCenter == edge) - return; - - d->usedAnchors |= VCenterAnchor; - - if (!d->checkVValid()) { - d->usedAnchors &= ~VCenterAnchor; - return; - } - - d->remDepend(d->vCenter.item); - d->vCenter = edge; - d->addDepend(d->vCenter.item); - emit verticalCenterChanged(); - d->updateVerticalAnchors(); -} - -void QDeclarativeAnchors::resetVerticalCenter() -{ - Q_D(QDeclarativeAnchors); - d->usedAnchors &= ~VCenterAnchor; - d->remDepend(d->vCenter.item); - d->vCenter = QDeclarativeAnchorLine(); - emit verticalCenterChanged(); - d->updateVerticalAnchors(); -} - -QDeclarativeAnchorLine QDeclarativeAnchors::baseline() const -{ - Q_D(const QDeclarativeAnchors); - return d->baseline; -} - -void QDeclarativeAnchors::setBaseline(const QDeclarativeAnchorLine &edge) -{ - Q_D(QDeclarativeAnchors); - if (!d->checkVAnchorValid(edge) || d->baseline == edge) - return; - - d->usedAnchors |= BaselineAnchor; - - if (!d->checkVValid()) { - d->usedAnchors &= ~BaselineAnchor; - return; - } - - d->remDepend(d->baseline.item); - d->baseline = edge; - d->addDepend(d->baseline.item); - emit baselineChanged(); - d->updateVerticalAnchors(); -} - -void QDeclarativeAnchors::resetBaseline() -{ - Q_D(QDeclarativeAnchors); - d->usedAnchors &= ~BaselineAnchor; - d->remDepend(d->baseline.item); - d->baseline = QDeclarativeAnchorLine(); - emit baselineChanged(); - d->updateVerticalAnchors(); -} - -QDeclarativeAnchorLine QDeclarativeAnchors::left() const -{ - Q_D(const QDeclarativeAnchors); - return d->left; -} - -void QDeclarativeAnchors::setLeft(const QDeclarativeAnchorLine &edge) -{ - Q_D(QDeclarativeAnchors); - if (!d->checkHAnchorValid(edge) || d->left == edge) - return; - - d->usedAnchors |= LeftAnchor; - - if (!d->checkHValid()) { - d->usedAnchors &= ~LeftAnchor; - return; - } - - d->remDepend(d->left.item); - d->left = edge; - d->addDepend(d->left.item); - emit leftChanged(); - d->updateHorizontalAnchors(); -} - -void QDeclarativeAnchors::resetLeft() -{ - Q_D(QDeclarativeAnchors); - d->usedAnchors &= ~LeftAnchor; - d->remDepend(d->left.item); - d->left = QDeclarativeAnchorLine(); - emit leftChanged(); - d->updateHorizontalAnchors(); -} - -QDeclarativeAnchorLine QDeclarativeAnchors::right() const -{ - Q_D(const QDeclarativeAnchors); - return d->right; -} - -void QDeclarativeAnchors::setRight(const QDeclarativeAnchorLine &edge) -{ - Q_D(QDeclarativeAnchors); - if (!d->checkHAnchorValid(edge) || d->right == edge) - return; - - d->usedAnchors |= RightAnchor; - - if (!d->checkHValid()) { - d->usedAnchors &= ~RightAnchor; - return; - } - - d->remDepend(d->right.item); - d->right = edge; - d->addDepend(d->right.item); - emit rightChanged(); - d->updateHorizontalAnchors(); -} - -void QDeclarativeAnchors::resetRight() -{ - Q_D(QDeclarativeAnchors); - d->usedAnchors &= ~RightAnchor; - d->remDepend(d->right.item); - d->right = QDeclarativeAnchorLine(); - emit rightChanged(); - d->updateHorizontalAnchors(); -} - -QDeclarativeAnchorLine QDeclarativeAnchors::horizontalCenter() const -{ - Q_D(const QDeclarativeAnchors); - return d->hCenter; -} - -void QDeclarativeAnchors::setHorizontalCenter(const QDeclarativeAnchorLine &edge) -{ - Q_D(QDeclarativeAnchors); - if (!d->checkHAnchorValid(edge) || d->hCenter == edge) - return; - - d->usedAnchors |= HCenterAnchor; - - if (!d->checkHValid()) { - d->usedAnchors &= ~HCenterAnchor; - return; - } - - d->remDepend(d->hCenter.item); - d->hCenter = edge; - d->addDepend(d->hCenter.item); - emit horizontalCenterChanged(); - d->updateHorizontalAnchors(); -} - -void QDeclarativeAnchors::resetHorizontalCenter() -{ - Q_D(QDeclarativeAnchors); - d->usedAnchors &= ~HCenterAnchor; - d->remDepend(d->hCenter.item); - d->hCenter = QDeclarativeAnchorLine(); - emit horizontalCenterChanged(); - d->updateHorizontalAnchors(); -} - -qreal QDeclarativeAnchors::leftMargin() const -{ - Q_D(const QDeclarativeAnchors); - return d->leftMargin; -} - -void QDeclarativeAnchors::setLeftMargin(qreal offset) -{ - Q_D(QDeclarativeAnchors); - if (d->leftMargin == offset) - return; - d->leftMargin = offset; - if(d->fill) - d->fillChanged(); - else - d->updateHorizontalAnchors(); - emit leftMarginChanged(); -} - -qreal QDeclarativeAnchors::rightMargin() const -{ - Q_D(const QDeclarativeAnchors); - return d->rightMargin; -} - -void QDeclarativeAnchors::setRightMargin(qreal offset) -{ - Q_D(QDeclarativeAnchors); - if (d->rightMargin == offset) - return; - d->rightMargin = offset; - if(d->fill) - d->fillChanged(); - else - d->updateHorizontalAnchors(); - emit rightMarginChanged(); -} - -qreal QDeclarativeAnchors::margins() const -{ - Q_D(const QDeclarativeAnchors); - return d->margins; -} - -void QDeclarativeAnchors::setMargins(qreal offset) -{ - Q_D(QDeclarativeAnchors); - if (d->margins == offset) - return; - //###Is it significantly faster to set them directly so we can call fillChanged only once? - if(!d->rightMargin || d->rightMargin == d->margins) - setRightMargin(offset); - if(!d->leftMargin || d->leftMargin == d->margins) - setLeftMargin(offset); - if(!d->topMargin || d->topMargin == d->margins) - setTopMargin(offset); - if(!d->bottomMargin || d->bottomMargin == d->margins) - setBottomMargin(offset); - d->margins = offset; - emit marginsChanged(); - -} - -qreal QDeclarativeAnchors::horizontalCenterOffset() const -{ - Q_D(const QDeclarativeAnchors); - return d->hCenterOffset; -} - -void QDeclarativeAnchors::setHorizontalCenterOffset(qreal offset) -{ - Q_D(QDeclarativeAnchors); - if (d->hCenterOffset == offset) - return; - d->hCenterOffset = offset; - if(d->centerIn) - d->centerInChanged(); - else - d->updateHorizontalAnchors(); - emit horizontalCenterOffsetChanged(); -} - -qreal QDeclarativeAnchors::topMargin() const -{ - Q_D(const QDeclarativeAnchors); - return d->topMargin; -} - -void QDeclarativeAnchors::setTopMargin(qreal offset) -{ - Q_D(QDeclarativeAnchors); - if (d->topMargin == offset) - return; - d->topMargin = offset; - if(d->fill) - d->fillChanged(); - else - d->updateVerticalAnchors(); - emit topMarginChanged(); -} - -qreal QDeclarativeAnchors::bottomMargin() const -{ - Q_D(const QDeclarativeAnchors); - return d->bottomMargin; -} - -void QDeclarativeAnchors::setBottomMargin(qreal offset) -{ - Q_D(QDeclarativeAnchors); - if (d->bottomMargin == offset) - return; - d->bottomMargin = offset; - if(d->fill) - d->fillChanged(); - else - d->updateVerticalAnchors(); - emit bottomMarginChanged(); -} - -qreal QDeclarativeAnchors::verticalCenterOffset() const -{ - Q_D(const QDeclarativeAnchors); - return d->vCenterOffset; -} - -void QDeclarativeAnchors::setVerticalCenterOffset(qreal offset) -{ - Q_D(QDeclarativeAnchors); - if (d->vCenterOffset == offset) - return; - d->vCenterOffset = offset; - if(d->centerIn) - d->centerInChanged(); - else - d->updateVerticalAnchors(); - emit verticalCenterOffsetChanged(); -} - -qreal QDeclarativeAnchors::baselineOffset() const -{ - Q_D(const QDeclarativeAnchors); - return d->baselineOffset; -} - -void QDeclarativeAnchors::setBaselineOffset(qreal offset) -{ - Q_D(QDeclarativeAnchors); - if (d->baselineOffset == offset) - return; - d->baselineOffset = offset; - d->updateVerticalAnchors(); - emit baselineOffsetChanged(); -} - -QDeclarativeAnchors::Anchors QDeclarativeAnchors::usedAnchors() const -{ - Q_D(const QDeclarativeAnchors); - return d->usedAnchors; -} - -bool QDeclarativeAnchorsPrivate::checkHValid() const -{ - if (usedAnchors & QDeclarativeAnchors::LeftAnchor && - usedAnchors & QDeclarativeAnchors::RightAnchor && - usedAnchors & QDeclarativeAnchors::HCenterAnchor) { - qmlInfo(item) << QDeclarativeAnchors::tr("Cannot specify left, right, and hcenter anchors."); - return false; - } - - return true; -} - -bool QDeclarativeAnchorsPrivate::checkHAnchorValid(QDeclarativeAnchorLine anchor) const -{ - if (!anchor.item) { - qmlInfo(item) << QDeclarativeAnchors::tr("Cannot anchor to a null item."); - return false; - } else if (anchor.anchorLine & QDeclarativeAnchorLine::Vertical_Mask) { - qmlInfo(item) << QDeclarativeAnchors::tr("Cannot anchor a horizontal edge to a vertical edge."); - return false; - } else if (anchor.item != item->parentItem() && anchor.item->parentItem() != item->parentItem()){ - qmlInfo(item) << QDeclarativeAnchors::tr("Cannot anchor to an item that isn't a parent or sibling."); - return false; - } else if (anchor.item == item) { - qmlInfo(item) << QDeclarativeAnchors::tr("Cannot anchor item to self."); - return false; - } - - return true; -} - -bool QDeclarativeAnchorsPrivate::checkVValid() const -{ - if (usedAnchors & QDeclarativeAnchors::TopAnchor && - usedAnchors & QDeclarativeAnchors::BottomAnchor && - usedAnchors & QDeclarativeAnchors::VCenterAnchor) { - qmlInfo(item) << QDeclarativeAnchors::tr("Cannot specify top, bottom, and vcenter anchors."); - return false; - } else if (usedAnchors & QDeclarativeAnchors::BaselineAnchor && - (usedAnchors & QDeclarativeAnchors::TopAnchor || - usedAnchors & QDeclarativeAnchors::BottomAnchor || - usedAnchors & QDeclarativeAnchors::VCenterAnchor)) { - qmlInfo(item) << QDeclarativeAnchors::tr("Baseline anchor cannot be used in conjunction with top, bottom, or vcenter anchors."); - return false; - } - - return true; -} - -bool QDeclarativeAnchorsPrivate::checkVAnchorValid(QDeclarativeAnchorLine anchor) const -{ - if (!anchor.item) { - qmlInfo(item) << QDeclarativeAnchors::tr("Cannot anchor to a null item."); - return false; - } else if (anchor.anchorLine & QDeclarativeAnchorLine::Horizontal_Mask) { - qmlInfo(item) << QDeclarativeAnchors::tr("Cannot anchor a vertical edge to a horizontal edge."); - return false; - } else if (anchor.item != item->parentItem() && anchor.item->parentItem() != item->parentItem()){ - qmlInfo(item) << QDeclarativeAnchors::tr("Cannot anchor to an item that isn't a parent or sibling."); - return false; - } else if (anchor.item == item){ - qmlInfo(item) << QDeclarativeAnchors::tr("Cannot anchor item to self."); - return false; - } - - return true; -} - -QT_END_NAMESPACE - -#include <moc_qdeclarativeanchors_p.cpp> - |