diff options
Diffstat (limited to 'src/quick/items/qquickanchors.cpp')
| -rw-r--r-- | src/quick/items/qquickanchors.cpp | 449 |
1 files changed, 250 insertions, 199 deletions
diff --git a/src/quick/items/qquickanchors.cpp b/src/quick/items/qquickanchors.cpp index 187b981abe..4cbd41106e 100644 --- a/src/quick/items/qquickanchors.cpp +++ b/src/quick/items/qquickanchors.cpp @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtQuick module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company 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 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -39,32 +45,32 @@ QT_BEGIN_NAMESPACE -static Q_ALWAYS_INLINE QQuickItem *readParentItem(QQuickItem *item) +static Q_ALWAYS_INLINE QQuickItem *readParentItem(const QQuickItem *item) { return QQuickItemPrivate::get(item)->parentItem; } -static Q_ALWAYS_INLINE qreal readX(QQuickItem *item) +static Q_ALWAYS_INLINE qreal readX(const QQuickItem *item) { return QQuickItemPrivate::get(item)->x; } -static Q_ALWAYS_INLINE qreal readY(QQuickItem *item) +static Q_ALWAYS_INLINE qreal readY(const QQuickItem *item) { return QQuickItemPrivate::get(item)->y; } -static Q_ALWAYS_INLINE qreal readWidth(QQuickItem *item) +static Q_ALWAYS_INLINE qreal readWidth(const QQuickItem *item) { return QQuickItemPrivate::get(item)->width; } -static Q_ALWAYS_INLINE qreal readHeight(QQuickItem *item) +static Q_ALWAYS_INLINE qreal readHeight(const QQuickItem *item) { return QQuickItemPrivate::get(item)->height; } -static Q_ALWAYS_INLINE qreal readBaselineOffset(QQuickItem *item) +static Q_ALWAYS_INLINE qreal readBaselineOffset(const QQuickItem *item) { return QQuickItemPrivate::get(item)->baselineOffset; } @@ -72,7 +78,7 @@ static Q_ALWAYS_INLINE qreal readBaselineOffset(QQuickItem *item) //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 inline qreal hcenter(QQuickItem *item) +static inline qreal hcenter(const QQuickItem *item) { qreal width = readWidth(item); if (QQuickAnchors *anchors = QQuickItemPrivate::get(item)->_anchors) { @@ -86,7 +92,7 @@ static inline qreal hcenter(QQuickItem *item) return width / 2; } -static inline qreal vcenter(QQuickItem *item) +static inline qreal vcenter(const QQuickItem *item) { qreal height = readHeight(item); if (QQuickAnchors *anchors = QQuickItemPrivate::get(item)->_anchors) { @@ -100,31 +106,30 @@ static inline qreal vcenter(QQuickItem *item) return height / 2; } -//### const item? //local position -static qreal position(QQuickItem *item, QQuickAnchorLine::AnchorLine anchorLine) +static inline qreal position(const QQuickItem *item, QQuickAnchors::Anchor anchorLine) { qreal ret = 0.0; switch (anchorLine) { - case QQuickAnchorLine::Left: + case QQuickAnchors::LeftAnchor: ret = readX(item); break; - case QQuickAnchorLine::Right: + case QQuickAnchors::RightAnchor: ret = readX(item) + readWidth(item); break; - case QQuickAnchorLine::Top: + case QQuickAnchors::TopAnchor: ret = readY(item); break; - case QQuickAnchorLine::Bottom: + case QQuickAnchors::BottomAnchor: ret = readY(item) + readHeight(item); break; - case QQuickAnchorLine::HCenter: + case QQuickAnchors::HCenterAnchor: ret = readX(item) + hcenter(item); break; - case QQuickAnchorLine::VCenter: + case QQuickAnchors::VCenterAnchor: ret = readY(item) + vcenter(item); break; - case QQuickAnchorLine::Baseline: + case QQuickAnchors::BaselineAnchor: ret = readY(item) + readBaselineOffset(item); break; default: @@ -135,29 +140,29 @@ static qreal position(QQuickItem *item, QQuickAnchorLine::AnchorLine anchorLine) } //position when origin is 0,0 -static inline qreal adjustedPosition(QQuickItem *item, QQuickAnchorLine::AnchorLine anchorLine) +static inline qreal adjustedPosition(QQuickItem *item, QQuickAnchors::Anchor anchorLine) { qreal ret = 0.0; switch (anchorLine) { - case QQuickAnchorLine::Left: + case QQuickAnchors::LeftAnchor: ret = 0.0; break; - case QQuickAnchorLine::Right: + case QQuickAnchors::RightAnchor: ret = readWidth(item); break; - case QQuickAnchorLine::Top: + case QQuickAnchors::TopAnchor: ret = 0.0; break; - case QQuickAnchorLine::Bottom: + case QQuickAnchors::BottomAnchor: ret = readHeight(item); break; - case QQuickAnchorLine::HCenter: + case QQuickAnchors::HCenterAnchor: ret = hcenter(item); break; - case QQuickAnchorLine::VCenter: + case QQuickAnchors::VCenterAnchor: ret = vcenter(item); break; - case QQuickAnchorLine::Baseline: + case QQuickAnchors::BaselineAnchor: ret = readBaselineOffset(item); break; default: @@ -178,13 +183,13 @@ QQuickAnchors::~QQuickAnchors() d->inDestructor = true; 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); + d->remDepend(d->leftAnchorItem); + d->remDepend(d->rightAnchorItem); + d->remDepend(d->topAnchorItem); + d->remDepend(d->bottomAnchorItem); + d->remDepend(d->vCenterAnchorItem); + d->remDepend(d->hCenterAnchorItem); + d->remDepend(d->baselineAnchorItem); } void QQuickAnchorsPrivate::fillChanged() @@ -250,32 +255,32 @@ void QQuickAnchorsPrivate::clearItem(QQuickItem *item) fill = 0; if (centerIn == item) centerIn = 0; - if (left.item == item) { - left.item = 0; + if (leftAnchorItem == item) { + leftAnchorItem = 0; usedAnchors &= ~QQuickAnchors::LeftAnchor; } - if (right.item == item) { - right.item = 0; + if (rightAnchorItem == item) { + rightAnchorItem = 0; usedAnchors &= ~QQuickAnchors::RightAnchor; } - if (top.item == item) { - top.item = 0; + if (topAnchorItem == item) { + topAnchorItem = 0; usedAnchors &= ~QQuickAnchors::TopAnchor; } - if (bottom.item == item) { - bottom.item = 0; + if (bottomAnchorItem == item) { + bottomAnchorItem = 0; usedAnchors &= ~QQuickAnchors::BottomAnchor; } - if (vCenter.item == item) { - vCenter.item = 0; + if (vCenterAnchorItem == item) { + vCenterAnchorItem = 0; usedAnchors &= ~QQuickAnchors::VCenterAnchor; } - if (hCenter.item == item) { - hCenter.item = 0; + if (hCenterAnchorItem == item) { + hCenterAnchorItem = 0; usedAnchors &= ~QQuickAnchors::HCenterAnchor; } - if (baseline.item == item) { - baseline.item = 0; + if (baselineAnchorItem == item) { + baselineAnchorItem = 0; usedAnchors &= ~QQuickAnchors::BaselineAnchor; } } @@ -303,19 +308,19 @@ int QQuickAnchorsPrivate::calculateDependency(QQuickItem *controlItem) return dependency; //exit early } - if ((usedAnchors & QQuickAnchors::LeftAnchor && left.item == controlItem) || - (usedAnchors & QQuickAnchors::RightAnchor && right.item == controlItem) || - (usedAnchors & QQuickAnchors::HCenterAnchor && hCenter.item == controlItem)) { + if ((usedAnchors & QQuickAnchors::LeftAnchor && leftAnchorItem == controlItem) || + (usedAnchors & QQuickAnchors::RightAnchor && rightAnchorItem == controlItem) || + (usedAnchors & QQuickAnchors::HCenterAnchor && hCenterAnchorItem == controlItem)) { if (controlItem == readParentItem(item)) dependency |= QQuickItemPrivate::WidthChange; else //sibling dependency |= QFlags<QQuickItemPrivate::GeometryChangeType>(QQuickItemPrivate::XChange | QQuickItemPrivate::WidthChange); } - if ((usedAnchors & QQuickAnchors::TopAnchor && top.item == controlItem) || - (usedAnchors & QQuickAnchors::BottomAnchor && bottom.item == controlItem) || - (usedAnchors & QQuickAnchors::VCenterAnchor && vCenter.item == controlItem) || - (usedAnchors & QQuickAnchors::BaselineAnchor && baseline.item == controlItem)) { + if ((usedAnchors & QQuickAnchors::TopAnchor && topAnchorItem == controlItem) || + (usedAnchors & QQuickAnchors::BottomAnchor && bottomAnchorItem == controlItem) || + (usedAnchors & QQuickAnchors::VCenterAnchor && vCenterAnchorItem == controlItem) || + (usedAnchors & QQuickAnchors::BaselineAnchor && baselineAnchorItem == controlItem)) { if (controlItem == readParentItem(item)) dependency |= QQuickItemPrivate::HeightChange; else //sibling @@ -447,13 +452,13 @@ void QQuickAnchorsPrivate::updateOnComplete() QQuickItem *dependencies[9]; dependencies[0] = fill; dependencies[1] = centerIn; - dependencies[2] = left.item; - dependencies[3] = right.item; - dependencies[4] = hCenter.item; - dependencies[5] = top.item; - dependencies[6] = bottom.item; - dependencies[7] = vCenter.item; - dependencies[8] = baseline.item; + dependencies[2] = leftAnchorItem; + dependencies[3] = rightAnchorItem; + dependencies[4] = hCenterAnchorItem; + dependencies[5] = topAnchorItem; + dependencies[6] = bottomAnchorItem; + dependencies[7] = vCenterAnchorItem; + dependencies[8] = baselineAnchorItem; std::sort(dependencies, dependencies + 9); @@ -480,9 +485,9 @@ void QQuickAnchorsPrivate::update() } else if (centerIn) { centerInChanged(); } else { - if (usedAnchors & QQuickAnchorLine::Horizontal_Mask) + if (usedAnchors & QQuickAnchors::Horizontal_Mask) updateHorizontalAnchors(); - if (usedAnchors & QQuickAnchorLine::Vertical_Mask) + if (usedAnchors & QQuickAnchors::Vertical_Mask) updateVerticalAnchors(); } } @@ -497,9 +502,11 @@ void QQuickAnchorsPrivate::itemGeometryChanged(QQuickItem *, const QRectF &newG, } else if (centerIn) { centerInChanged(); } else { - if ((usedAnchors & QQuickAnchorLine::Horizontal_Mask) && (newG.x() != oldG.x() || newG.width() != oldG.width())) + if ((usedAnchors & QQuickAnchors::Horizontal_Mask) + && (newG.x() != oldG.x() || newG.width() != oldG.width())) updateHorizontalAnchors(); - if ((usedAnchors & QQuickAnchorLine::Vertical_Mask) && (newG.y() != oldG.y() || newG.height() != oldG.height())) + if ((usedAnchors & QQuickAnchors::Vertical_Mask) + && (newG.y() != oldG.y() || newG.height() != oldG.height())) updateVerticalAnchors(); } } @@ -576,29 +583,31 @@ void QQuickAnchors::resetCenterIn() setCenterIn(0); } -bool QQuickAnchorsPrivate::calcStretch(const QQuickAnchorLine &edge1, - const QQuickAnchorLine &edge2, - qreal offset1, - qreal offset2, - QQuickAnchorLine::AnchorLine line, - qreal &stretch) +bool QQuickAnchorsPrivate::calcStretch(QQuickItem *edge1Item, + QQuickAnchors::Anchor edge1Line, + QQuickItem *edge2Item, + QQuickAnchors::Anchor edge2Line, + qreal offset1, + qreal offset2, + QQuickAnchors::Anchor line, + qreal &stretch) { - bool edge1IsParent = (edge1.item == readParentItem(item)); - bool edge2IsParent = (edge2.item == readParentItem(item)); - bool edge1IsSibling = (readParentItem(edge1.item) == readParentItem(item)); - bool edge2IsSibling = (readParentItem(edge2.item) == readParentItem(item)); + bool edge1IsParent = (edge1Item == readParentItem(item)); + bool edge2IsParent = (edge2Item == readParentItem(item)); + bool edge1IsSibling = (readParentItem(edge1Item) == readParentItem(item)); + bool edge2IsSibling = (readParentItem(edge2Item) == readParentItem(item)); bool invalid = false; if ((edge2IsParent && edge1IsParent) || (edge2IsSibling && edge1IsSibling)) { - stretch = (position(edge2.item, edge2.anchorLine) + offset2) - - (position(edge1.item, edge1.anchorLine) + offset1); + stretch = (position(edge2Item, edge2Line) + offset2) + - (position(edge1Item, edge1Line) + offset1); } else if (edge2IsParent && edge1IsSibling) { - stretch = (position(edge2.item, edge2.anchorLine) + offset2) + stretch = (position(edge2Item, edge2Line) + offset2) - (position(readParentItem(item), line) - + position(edge1.item, edge1.anchorLine) + offset1); + + position(edge1Item, edge1Line) + offset1); } else if (edge2IsSibling && edge1IsParent) { - stretch = (position(readParentItem(item), line) + position(edge2.item, edge2.anchorLine) + offset2) - - (position(edge1.item, edge1.anchorLine) + offset1); + stretch = (position(readParentItem(item), line) + position(edge2Item, edge2Line) + offset2) + - (position(edge1Item, edge1Line) + offset1); } else invalid = true; @@ -617,53 +626,59 @@ void QQuickAnchorsPrivate::updateVerticalAnchors() bool invalid = true; qreal height = 0.0; if (usedAnchors & QQuickAnchors::BottomAnchor) { - invalid = calcStretch(top, bottom, topMargin, -bottomMargin, QQuickAnchorLine::Top, height); + invalid = calcStretch(topAnchorItem, topAnchorLine, + bottomAnchorItem, bottomAnchorLine, + topMargin, -bottomMargin, QQuickAnchors::TopAnchor, height); } else if (usedAnchors & QQuickAnchors::VCenterAnchor) { - invalid = calcStretch(top, vCenter, topMargin, vCenterOffset, QQuickAnchorLine::Top, height); + invalid = calcStretch(topAnchorItem, topAnchorLine, + vCenterAnchorItem, vCenterAnchorLine, + topMargin, vCenterOffset, QQuickAnchors::TopAnchor, height); height *= 2; } if (!invalid) setItemHeight(height); //Handle top - if (top.item == readParentItem(item)) { - setItemY(adjustedPosition(top.item, top.anchorLine) + topMargin); - } else if (readParentItem(top.item) == readParentItem(item)) { - setItemY(position(top.item, top.anchorLine) + topMargin); + if (topAnchorItem == readParentItem(item)) { + setItemY(adjustedPosition(topAnchorItem, topAnchorLine) + topMargin); + } else if (readParentItem(topAnchorItem) == readParentItem(item)) { + setItemY(position(topAnchorItem, topAnchorLine) + topMargin); } } else if (usedAnchors & QQuickAnchors::BottomAnchor) { //Handle stretching (top + bottom case is handled above) if (usedAnchors & QQuickAnchors::VCenterAnchor) { qreal height = 0.0; - bool invalid = calcStretch(vCenter, bottom, vCenterOffset, -bottomMargin, - QQuickAnchorLine::Top, height); + bool invalid = calcStretch(vCenterAnchorItem, vCenterAnchorLine, + bottomAnchorItem, bottomAnchorLine, + vCenterOffset, -bottomMargin, QQuickAnchors::TopAnchor, + height); if (!invalid) setItemHeight(height*2); } //Handle bottom - if (bottom.item == readParentItem(item)) { - setItemY(adjustedPosition(bottom.item, bottom.anchorLine) - readHeight(item) - bottomMargin); - } else if (readParentItem(bottom.item) == readParentItem(item)) { - setItemY(position(bottom.item, bottom.anchorLine) - readHeight(item) - bottomMargin); + if (bottomAnchorItem == readParentItem(item)) { + setItemY(adjustedPosition(bottomAnchorItem, bottomAnchorLine) - readHeight(item) - bottomMargin); + } else if (readParentItem(bottomAnchorItem) == readParentItem(item)) { + setItemY(position(bottomAnchorItem, bottomAnchorLine) - readHeight(item) - bottomMargin); } } else if (usedAnchors & QQuickAnchors::VCenterAnchor) { //(stetching handled above) //Handle vCenter - if (vCenter.item == readParentItem(item)) { - setItemY(adjustedPosition(vCenter.item, vCenter.anchorLine) + if (vCenterAnchorItem == readParentItem(item)) { + setItemY(adjustedPosition(vCenterAnchorItem, vCenterAnchorLine) - vcenter(item) + vCenterOffset); - } else if (readParentItem(vCenter.item) == readParentItem(item)) { - setItemY(position(vCenter.item, vCenter.anchorLine) - vcenter(item) + vCenterOffset); + } else if (readParentItem(vCenterAnchorItem) == readParentItem(item)) { + setItemY(position(vCenterAnchorItem, vCenterAnchorLine) - vcenter(item) + vCenterOffset); } } else if (usedAnchors & QQuickAnchors::BaselineAnchor) { //Handle baseline - if (baseline.item == readParentItem(item)) { - setItemY(adjustedPosition(baseline.item, baseline.anchorLine) + if (baselineAnchorItem == readParentItem(item)) { + setItemY(adjustedPosition(baselineAnchorItem, baselineAnchorLine) - readBaselineOffset(item) + baselineOffset); - } else if (readParentItem(baseline.item) == readParentItem(item)) { - setItemY(position(baseline.item, baseline.anchorLine) + } else if (readParentItem(baselineAnchorItem) == readParentItem(item)) { + setItemY(position(baselineAnchorItem, baselineAnchorLine) - readBaselineOffset(item) + baselineOffset); } } @@ -674,12 +689,12 @@ void QQuickAnchorsPrivate::updateVerticalAnchors() } } -inline QQuickAnchorLine::AnchorLine reverseAnchorLine(QQuickAnchorLine::AnchorLine anchorLine) +static inline QQuickAnchors::Anchor reverseAnchorLine(QQuickAnchors::Anchor anchorLine) { - if (anchorLine == QQuickAnchorLine::Left) { - return QQuickAnchorLine::Right; - } else if (anchorLine == QQuickAnchorLine::Right) { - return QQuickAnchorLine::Left; + if (anchorLine == QQuickAnchors::LeftAnchor) { + return QQuickAnchors::RightAnchor; + } else if (anchorLine == QQuickAnchors::RightAnchor) { + return QQuickAnchors::LeftAnchor; } else { return anchorLine; } @@ -694,26 +709,30 @@ void QQuickAnchorsPrivate::updateHorizontalAnchors() if (updatingHorizontalAnchor < 3) { ++updatingHorizontalAnchor; qreal effectiveRightMargin, effectiveLeftMargin, effectiveHorizontalCenterOffset; - QQuickAnchorLine effectiveLeft, effectiveRight, effectiveHorizontalCenter; + QQuickItem *effectiveLeftItem, *effectiveRightItem, *effectiveHorizontalCenterItem; + QQuickAnchors::Anchor effectiveLeftLine, effectiveRightLine, effectiveHorizontalCenterLine; QQuickAnchors::Anchor effectiveLeftAnchor, effectiveRightAnchor; if (q->mirrored()) { effectiveLeftAnchor = QQuickAnchors::RightAnchor; effectiveRightAnchor = QQuickAnchors::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); + effectiveLeftItem = rightAnchorItem; + effectiveLeftLine = reverseAnchorLine(rightAnchorLine); + effectiveRightItem = leftAnchorItem; + effectiveRightLine = reverseAnchorLine(leftAnchorLine); + effectiveHorizontalCenterItem = hCenterAnchorItem; + effectiveHorizontalCenterLine = reverseAnchorLine(hCenterAnchorLine); effectiveLeftMargin = rightMargin; effectiveRightMargin = leftMargin; effectiveHorizontalCenterOffset = -hCenterOffset; } else { effectiveLeftAnchor = QQuickAnchors::LeftAnchor; effectiveRightAnchor = QQuickAnchors::RightAnchor; - effectiveLeft = left; - effectiveRight = right; - effectiveHorizontalCenter = hCenter; + effectiveLeftItem = leftAnchorItem; + effectiveLeftLine = leftAnchorLine; + effectiveRightItem = rightAnchorItem; + effectiveRightLine = rightAnchorLine; + effectiveHorizontalCenterItem = hCenterAnchorItem; + effectiveHorizontalCenterLine = hCenterAnchorLine; effectiveLeftMargin = leftMargin; effectiveRightMargin = rightMargin; effectiveHorizontalCenterOffset = hCenterOffset; @@ -724,44 +743,53 @@ void QQuickAnchorsPrivate::updateHorizontalAnchors() bool invalid = true; qreal width = 0.0; if (usedAnchors & effectiveRightAnchor) { - invalid = calcStretch(effectiveLeft, effectiveRight, effectiveLeftMargin, -effectiveRightMargin, QQuickAnchorLine::Left, width); + invalid = calcStretch(effectiveLeftItem, effectiveLeftLine, + effectiveRightItem, effectiveRightLine, + effectiveLeftMargin, -effectiveRightMargin, + QQuickAnchors::LeftAnchor, width); } else if (usedAnchors & QQuickAnchors::HCenterAnchor) { - invalid = calcStretch(effectiveLeft, effectiveHorizontalCenter, effectiveLeftMargin, effectiveHorizontalCenterOffset, QQuickAnchorLine::Left, width); + invalid = calcStretch(effectiveLeftItem, effectiveLeftLine, + effectiveHorizontalCenterItem, effectiveHorizontalCenterLine, + effectiveLeftMargin, effectiveHorizontalCenterOffset, + QQuickAnchors::LeftAnchor, width); width *= 2; } if (!invalid) setItemWidth(width); //Handle left - if (effectiveLeft.item == readParentItem(item)) { - setItemX(adjustedPosition(effectiveLeft.item, effectiveLeft.anchorLine) + effectiveLeftMargin); - } else if (readParentItem(effectiveLeft.item) == readParentItem(item)) { - setItemX(position(effectiveLeft.item, effectiveLeft.anchorLine) + effectiveLeftMargin); + if (effectiveLeftItem == readParentItem(item)) { + setItemX(adjustedPosition(effectiveLeftItem, effectiveLeftLine) + effectiveLeftMargin); + } else if (readParentItem(effectiveLeftItem) == readParentItem(item)) { + setItemX(position(effectiveLeftItem, effectiveLeftLine) + effectiveLeftMargin); } } else if (usedAnchors & effectiveRightAnchor) { //Handle stretching (left + right case is handled in updateLeftAnchor) if (usedAnchors & QQuickAnchors::HCenterAnchor) { qreal width = 0.0; - bool invalid = calcStretch(effectiveHorizontalCenter, effectiveRight, effectiveHorizontalCenterOffset, -effectiveRightMargin, - QQuickAnchorLine::Left, width); + bool invalid = calcStretch(effectiveHorizontalCenterItem, + effectiveHorizontalCenterLine, + effectiveRightItem, effectiveRightLine, + effectiveHorizontalCenterOffset, -effectiveRightMargin, + QQuickAnchors::LeftAnchor, width); if (!invalid) setItemWidth(width*2); } //Handle right - if (effectiveRight.item == readParentItem(item)) { - setItemX(adjustedPosition(effectiveRight.item, effectiveRight.anchorLine) + if (effectiveRightItem == readParentItem(item)) { + setItemX(adjustedPosition(effectiveRightItem, effectiveRightLine) - readWidth(item) - effectiveRightMargin); - } else if (readParentItem(effectiveRight.item) == readParentItem(item)) { - setItemX(position(effectiveRight.item, effectiveRight.anchorLine) + } else if (readParentItem(effectiveRightItem) == readParentItem(item)) { + setItemX(position(effectiveRightItem, effectiveRightLine) - readWidth(item) - effectiveRightMargin); } } else if (usedAnchors & QQuickAnchors::HCenterAnchor) { //Handle hCenter - if (effectiveHorizontalCenter.item == readParentItem(item)) { - setItemX(adjustedPosition(effectiveHorizontalCenter.item, effectiveHorizontalCenter.anchorLine) - hcenter(item) + effectiveHorizontalCenterOffset); - } else if (readParentItem(effectiveHorizontalCenter.item) == readParentItem(item)) { - setItemX(position(effectiveHorizontalCenter.item, effectiveHorizontalCenter.anchorLine) - hcenter(item) + effectiveHorizontalCenterOffset); + if (effectiveHorizontalCenterItem == readParentItem(item)) { + setItemX(adjustedPosition(effectiveHorizontalCenterItem, effectiveHorizontalCenterLine) - hcenter(item) + effectiveHorizontalCenterOffset); + } else if (readParentItem(effectiveHorizontalCenterItem) == readParentItem(item)) { + setItemX(position(effectiveHorizontalCenterItem, effectiveHorizontalCenterLine) - hcenter(item) + effectiveHorizontalCenterOffset); } } --updatingHorizontalAnchor; @@ -774,13 +802,14 @@ void QQuickAnchorsPrivate::updateHorizontalAnchors() QQuickAnchorLine QQuickAnchors::top() const { Q_D(const QQuickAnchors); - return d->top; + return QQuickAnchorLine(d->topAnchorItem, d->topAnchorLine); } void QQuickAnchors::setTop(const QQuickAnchorLine &edge) { Q_D(QQuickAnchors); - if (!d->checkVAnchorValid(edge) || d->top == edge) + if (!d->checkVAnchorValid(edge) || + (d->topAnchorItem == edge.item && d->topAnchorLine == edge.anchorLine)) return; d->usedAnchors |= TopAnchor; @@ -790,10 +819,11 @@ void QQuickAnchors::setTop(const QQuickAnchorLine &edge) return; } - QQuickItem *oldTop = d->top.item; - d->top = edge; + QQuickItem *oldTop = d->topAnchorItem; + d->topAnchorItem = edge.item; + d->topAnchorLine = edge.anchorLine; d->remDepend(oldTop); - d->addDepend(d->top.item); + d->addDepend(d->topAnchorItem); emit topChanged(); d->updateVerticalAnchors(); } @@ -802,8 +832,9 @@ void QQuickAnchors::resetTop() { Q_D(QQuickAnchors); d->usedAnchors &= ~TopAnchor; - d->remDepend(d->top.item); - d->top = QQuickAnchorLine(); + d->remDepend(d->topAnchorItem); + d->topAnchorItem = Q_NULLPTR; + d->topAnchorLine = QQuickAnchors::InvalidAnchor; emit topChanged(); d->updateVerticalAnchors(); } @@ -811,13 +842,14 @@ void QQuickAnchors::resetTop() QQuickAnchorLine QQuickAnchors::bottom() const { Q_D(const QQuickAnchors); - return d->bottom; + return QQuickAnchorLine(d->bottomAnchorItem, d->bottomAnchorLine); } void QQuickAnchors::setBottom(const QQuickAnchorLine &edge) { Q_D(QQuickAnchors); - if (!d->checkVAnchorValid(edge) || d->bottom == edge) + if (!d->checkVAnchorValid(edge) || + (d->bottomAnchorItem == edge.item && d->bottomAnchorLine == edge.anchorLine)) return; d->usedAnchors |= BottomAnchor; @@ -827,10 +859,11 @@ void QQuickAnchors::setBottom(const QQuickAnchorLine &edge) return; } - QQuickItem *oldBottom = d->bottom.item; - d->bottom = edge; + QQuickItem *oldBottom = d->bottomAnchorItem; + d->bottomAnchorItem = edge.item; + d->bottomAnchorLine = edge.anchorLine; d->remDepend(oldBottom); - d->addDepend(d->bottom.item); + d->addDepend(d->bottomAnchorItem); emit bottomChanged(); d->updateVerticalAnchors(); } @@ -839,8 +872,9 @@ void QQuickAnchors::resetBottom() { Q_D(QQuickAnchors); d->usedAnchors &= ~BottomAnchor; - d->remDepend(d->bottom.item); - d->bottom = QQuickAnchorLine(); + d->remDepend(d->bottomAnchorItem); + d->bottomAnchorItem = Q_NULLPTR; + d->bottomAnchorLine = QQuickAnchors::InvalidAnchor; emit bottomChanged(); d->updateVerticalAnchors(); } @@ -848,13 +882,14 @@ void QQuickAnchors::resetBottom() QQuickAnchorLine QQuickAnchors::verticalCenter() const { Q_D(const QQuickAnchors); - return d->vCenter; + return QQuickAnchorLine(d->vCenterAnchorItem, d->vCenterAnchorLine); } void QQuickAnchors::setVerticalCenter(const QQuickAnchorLine &edge) { Q_D(QQuickAnchors); - if (!d->checkVAnchorValid(edge) || d->vCenter == edge) + if (!d->checkVAnchorValid(edge) || + (d->vCenterAnchorItem == edge.item && d->vCenterAnchorLine == edge.anchorLine)) return; d->usedAnchors |= VCenterAnchor; @@ -864,10 +899,11 @@ void QQuickAnchors::setVerticalCenter(const QQuickAnchorLine &edge) return; } - QQuickItem *oldVCenter = d->vCenter.item; - d->vCenter = edge; + QQuickItem *oldVCenter = d->vCenterAnchorItem; + d->vCenterAnchorItem = edge.item; + d->vCenterAnchorLine = edge.anchorLine; d->remDepend(oldVCenter); - d->addDepend(d->vCenter.item); + d->addDepend(d->vCenterAnchorItem); emit verticalCenterChanged(); d->updateVerticalAnchors(); } @@ -876,8 +912,9 @@ void QQuickAnchors::resetVerticalCenter() { Q_D(QQuickAnchors); d->usedAnchors &= ~VCenterAnchor; - d->remDepend(d->vCenter.item); - d->vCenter = QQuickAnchorLine(); + d->remDepend(d->vCenterAnchorItem); + d->vCenterAnchorItem = Q_NULLPTR; + d->vCenterAnchorLine = QQuickAnchors::InvalidAnchor; emit verticalCenterChanged(); d->updateVerticalAnchors(); } @@ -885,13 +922,14 @@ void QQuickAnchors::resetVerticalCenter() QQuickAnchorLine QQuickAnchors::baseline() const { Q_D(const QQuickAnchors); - return d->baseline; + return QQuickAnchorLine(d->baselineAnchorItem, d->baselineAnchorLine); } void QQuickAnchors::setBaseline(const QQuickAnchorLine &edge) { Q_D(QQuickAnchors); - if (!d->checkVAnchorValid(edge) || d->baseline == edge) + if (!d->checkVAnchorValid(edge) || + (d->baselineAnchorItem == edge.item && d->baselineAnchorLine == edge.anchorLine)) return; d->usedAnchors |= BaselineAnchor; @@ -901,10 +939,11 @@ void QQuickAnchors::setBaseline(const QQuickAnchorLine &edge) return; } - QQuickItem *oldBaseline = d->baseline.item; - d->baseline = edge; + QQuickItem *oldBaseline = d->baselineAnchorItem; + d->baselineAnchorItem = edge.item; + d->baselineAnchorLine = edge.anchorLine; d->remDepend(oldBaseline); - d->addDepend(d->baseline.item); + d->addDepend(d->baselineAnchorItem); emit baselineChanged(); d->updateVerticalAnchors(); } @@ -913,8 +952,9 @@ void QQuickAnchors::resetBaseline() { Q_D(QQuickAnchors); d->usedAnchors &= ~BaselineAnchor; - d->remDepend(d->baseline.item); - d->baseline = QQuickAnchorLine(); + d->remDepend(d->baselineAnchorItem); + d->baselineAnchorItem = Q_NULLPTR; + d->baselineAnchorLine = QQuickAnchors::InvalidAnchor; emit baselineChanged(); d->updateVerticalAnchors(); } @@ -922,13 +962,14 @@ void QQuickAnchors::resetBaseline() QQuickAnchorLine QQuickAnchors::left() const { Q_D(const QQuickAnchors); - return d->left; + return QQuickAnchorLine(d->leftAnchorItem, d->leftAnchorLine); } void QQuickAnchors::setLeft(const QQuickAnchorLine &edge) { Q_D(QQuickAnchors); - if (!d->checkHAnchorValid(edge) || d->left == edge) + if (!d->checkHAnchorValid(edge) || + (d->leftAnchorItem == edge.item && d->leftAnchorLine == edge.anchorLine)) return; d->usedAnchors |= LeftAnchor; @@ -938,10 +979,11 @@ void QQuickAnchors::setLeft(const QQuickAnchorLine &edge) return; } - QQuickItem *oldLeft = d->left.item; - d->left = edge; + QQuickItem *oldLeft = d->leftAnchorItem; + d->leftAnchorItem = edge.item; + d->leftAnchorLine = edge.anchorLine; d->remDepend(oldLeft); - d->addDepend(d->left.item); + d->addDepend(d->leftAnchorItem); emit leftChanged(); d->updateHorizontalAnchors(); } @@ -950,8 +992,9 @@ void QQuickAnchors::resetLeft() { Q_D(QQuickAnchors); d->usedAnchors &= ~LeftAnchor; - d->remDepend(d->left.item); - d->left = QQuickAnchorLine(); + d->remDepend(d->leftAnchorItem); + d->leftAnchorItem = Q_NULLPTR; + d->leftAnchorLine = QQuickAnchors::InvalidAnchor; emit leftChanged(); d->updateHorizontalAnchors(); } @@ -959,13 +1002,14 @@ void QQuickAnchors::resetLeft() QQuickAnchorLine QQuickAnchors::right() const { Q_D(const QQuickAnchors); - return d->right; + return QQuickAnchorLine(d->rightAnchorItem, d->rightAnchorLine); } void QQuickAnchors::setRight(const QQuickAnchorLine &edge) { Q_D(QQuickAnchors); - if (!d->checkHAnchorValid(edge) || d->right == edge) + if (!d->checkHAnchorValid(edge) || + (d->rightAnchorItem == edge.item && d->rightAnchorLine == edge.anchorLine)) return; d->usedAnchors |= RightAnchor; @@ -975,10 +1019,11 @@ void QQuickAnchors::setRight(const QQuickAnchorLine &edge) return; } - QQuickItem *oldRight = d->right.item; - d->right = edge; + QQuickItem *oldRight = d->rightAnchorItem; + d->rightAnchorItem = edge.item; + d->rightAnchorLine = edge.anchorLine; d->remDepend(oldRight); - d->addDepend(d->right.item); + d->addDepend(d->rightAnchorItem); emit rightChanged(); d->updateHorizontalAnchors(); } @@ -987,8 +1032,9 @@ void QQuickAnchors::resetRight() { Q_D(QQuickAnchors); d->usedAnchors &= ~RightAnchor; - d->remDepend(d->right.item); - d->right = QQuickAnchorLine(); + d->remDepend(d->rightAnchorItem); + d->rightAnchorItem = Q_NULLPTR; + d->rightAnchorLine = QQuickAnchors::InvalidAnchor; emit rightChanged(); d->updateHorizontalAnchors(); } @@ -996,13 +1042,14 @@ void QQuickAnchors::resetRight() QQuickAnchorLine QQuickAnchors::horizontalCenter() const { Q_D(const QQuickAnchors); - return d->hCenter; + return QQuickAnchorLine(d->hCenterAnchorItem, d->hCenterAnchorLine); } void QQuickAnchors::setHorizontalCenter(const QQuickAnchorLine &edge) { Q_D(QQuickAnchors); - if (!d->checkHAnchorValid(edge) || d->hCenter == edge) + if (!d->checkHAnchorValid(edge) || + (d->hCenterAnchorItem == edge.item && d->hCenterAnchorLine == edge.anchorLine)) return; d->usedAnchors |= HCenterAnchor; @@ -1012,10 +1059,11 @@ void QQuickAnchors::setHorizontalCenter(const QQuickAnchorLine &edge) return; } - QQuickItem *oldHCenter = d->hCenter.item; - d->hCenter = edge; + QQuickItem *oldHCenter = d->hCenterAnchorItem; + d->hCenterAnchorItem = edge.item; + d->hCenterAnchorLine = edge.anchorLine; d->remDepend(oldHCenter); - d->addDepend(d->hCenter.item); + d->addDepend(d->hCenterAnchorItem); emit horizontalCenterChanged(); d->updateHorizontalAnchors(); } @@ -1024,8 +1072,9 @@ void QQuickAnchors::resetHorizontalCenter() { Q_D(QQuickAnchors); d->usedAnchors &= ~HCenterAnchor; - d->remDepend(d->hCenter.item); - d->hCenter = QQuickAnchorLine(); + d->remDepend(d->hCenterAnchorItem); + d->hCenterAnchorItem = Q_NULLPTR; + d->hCenterAnchorLine = QQuickAnchors::InvalidAnchor; emit horizontalCenterChanged(); d->updateHorizontalAnchors(); } @@ -1273,7 +1322,7 @@ void QQuickAnchors::setBaselineOffset(qreal offset) QQuickAnchors::Anchors QQuickAnchors::usedAnchors() const { Q_D(const QQuickAnchors); - return d->usedAnchors; + return static_cast<QQuickAnchors::Anchors>(d->usedAnchors); } bool QQuickAnchorsPrivate::checkHValid() const @@ -1293,10 +1342,11 @@ bool QQuickAnchorsPrivate::checkHAnchorValid(QQuickAnchorLine anchor) const if (!anchor.item) { qmlInfo(item) << QQuickAnchors::tr("Cannot anchor to a null item."); return false; - } else if (anchor.anchorLine & QQuickAnchorLine::Vertical_Mask) { + } else if (anchor.anchorLine & QQuickAnchors::Vertical_Mask) { qmlInfo(item) << QQuickAnchors::tr("Cannot anchor a horizontal edge to a vertical edge."); return false; - } else if (anchor.item != readParentItem(item) && readParentItem(anchor.item) != readParentItem(item)){ + } else if (anchor.item != readParentItem(item) + && readParentItem(anchor.item) != readParentItem(item)) { qmlInfo(item) << QQuickAnchors::tr("Cannot anchor to an item that isn't a parent or sibling."); return false; } else if (anchor.item == item) { @@ -1330,10 +1380,11 @@ bool QQuickAnchorsPrivate::checkVAnchorValid(QQuickAnchorLine anchor) const if (!anchor.item) { qmlInfo(item) << QQuickAnchors::tr("Cannot anchor to a null item."); return false; - } else if (anchor.anchorLine & QQuickAnchorLine::Horizontal_Mask) { + } else if (anchor.anchorLine & QQuickAnchors::Horizontal_Mask) { qmlInfo(item) << QQuickAnchors::tr("Cannot anchor a vertical edge to a horizontal edge."); return false; - } else if (anchor.item != readParentItem(item) && readParentItem(anchor.item) != readParentItem(item)){ + } else if (anchor.item != readParentItem(item) + && readParentItem(anchor.item) != readParentItem(item)) { qmlInfo(item) << QQuickAnchors::tr("Cannot anchor to an item that isn't a parent or sibling."); return false; } else if (anchor.item == item){ |