diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativeanchors.cpp')
-rw-r--r-- | src/declarative/graphicsitems/qdeclarativeanchors.cpp | 111 |
1 files changed, 87 insertions, 24 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativeanchors.cpp b/src/declarative/graphicsitems/qdeclarativeanchors.cpp index 444bbd4..a2d6261 100644 --- a/src/declarative/graphicsitems/qdeclarativeanchors.cpp +++ b/src/declarative/graphicsitems/qdeclarativeanchors.cpp @@ -181,10 +181,12 @@ void QDeclarativeAnchorsPrivate::fillChanged() if (updatingFill < 2) { ++updatingFill; + qreal horizontalMargin = isMirrored() ? rightMargin : leftMargin; + if (fill == item->parentItem()) { //child-parent - setItemPos(QPointF(leftMargin, topMargin)); + setItemPos(QPointF(horizontalMargin, topMargin)); } else if (fill->parentItem() == item->parentItem()) { //siblings - setItemPos(QPointF(fill->x()+leftMargin, fill->y()+topMargin)); + setItemPos(QPointF(fill->x()+horizontalMargin, fill->y()+topMargin)); } QGraphicsItemPrivate *fillPrivate = QGraphicsItemPrivate::get(fill); setItemSize(QSizeF(fillPrivate->width()-leftMargin-rightMargin, fillPrivate->height()-topMargin-bottomMargin)); @@ -204,13 +206,15 @@ void QDeclarativeAnchorsPrivate::centerInChanged() if (updatingCenterIn < 2) { ++updatingCenterIn; + + qreal effectiveHCenterOffset = isMirrored() ? -hCenterOffset : hCenterOffset; if (centerIn == item->parentItem()) { - QPointF p(hcenter(item->parentItem()) - hcenter(item) + hCenterOffset, + 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) + hCenterOffset, + QPointF p(centerIn->x() + hcenter(centerIn) - hcenter(item) + effectiveHCenterOffset, centerIn->y() + vcenter(centerIn) - vcenter(item) + vCenterOffset); setItemPos(p); } @@ -498,6 +502,11 @@ bool QDeclarativeAnchorsPrivate::calcStretch(const QDeclarativeAnchorLine &edge1 return invalid; } +bool QDeclarativeAnchorsPrivate::isMirrored() const +{ + return layoutDirection == Qt::RightToLeft; +} + void QDeclarativeAnchorsPrivate::updateVerticalAnchors() { if (fill || centerIn || !isItemComplete()) @@ -570,58 +579,93 @@ void QDeclarativeAnchorsPrivate::updateVerticalAnchors() } } +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() { if (fill || centerIn || !isItemComplete()) return; - if (updatingHorizontalAnchor < 2) { + if (updatingHorizontalAnchor < 3) { ++updatingHorizontalAnchor; + qreal effectiveRightMargin, effectiveLeftMargin, effectiveHorizontalCenterOffset; + QDeclarativeAnchorLine effectiveLeft, effectiveRight, effectiveHorizontalCenter; + QDeclarativeAnchors::Anchor effectiveLeftAnchor, effectiveRightAnchor; + if (isMirrored()) { + 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 & QDeclarativeAnchors::LeftAnchor) { + if (usedAnchors & effectiveLeftAnchor) { //Handle stretching bool invalid = true; qreal width = 0.0; - if (usedAnchors & QDeclarativeAnchors::RightAnchor) { - invalid = calcStretch(left, right, leftMargin, -rightMargin, QDeclarativeAnchorLine::Left, width); + if (usedAnchors & effectiveRightAnchor) { + invalid = calcStretch(effectiveLeft, effectiveRight, effectiveLeftMargin, -effectiveRightMargin, QDeclarativeAnchorLine::Left, width); } else if (usedAnchors & QDeclarativeAnchors::HCenterAnchor) { - invalid = calcStretch(left, hCenter, leftMargin, hCenterOffset, QDeclarativeAnchorLine::Left, width); + invalid = calcStretch(effectiveLeft, effectiveHorizontalCenter, effectiveLeftMargin, effectiveHorizontalCenterOffset, QDeclarativeAnchorLine::Left, width); width *= 2; } if (!invalid) setItemWidth(width); //Handle left - if (left.item == item->parentItem()) { - setItemX(adjustedPosition(left.item, left.anchorLine) + leftMargin); - } else if (left.item->parentItem() == item->parentItem()) { - setItemX(position(left.item, left.anchorLine) + leftMargin); + 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 & QDeclarativeAnchors::RightAnchor) { + } else if (usedAnchors & effectiveRightAnchor) { //Handle stretching (left + right case is handled in updateLeftAnchor) if (usedAnchors & QDeclarativeAnchors::HCenterAnchor) { qreal width = 0.0; - bool invalid = calcStretch(hCenter, right, hCenterOffset, -rightMargin, + bool invalid = calcStretch(effectiveHorizontalCenter, effectiveRight, effectiveHorizontalCenterOffset, -effectiveRightMargin, QDeclarativeAnchorLine::Left, width); if (!invalid) setItemWidth(width*2); } //Handle right - if (right.item == item->parentItem()) { - setItemX(adjustedPosition(right.item, right.anchorLine) - itemPrivate->width() - rightMargin); - } else if (right.item->parentItem() == item->parentItem()) { - setItemX(position(right.item, right.anchorLine) - itemPrivate->width() - rightMargin); + 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 (hCenter.item == item->parentItem()) { - setItemX(adjustedPosition(hCenter.item, hCenter.anchorLine) - hcenter(item) + hCenterOffset); - } else if (hCenter.item->parentItem() == item->parentItem()) { - setItemX(position(hCenter.item, hCenter.anchorLine) - hcenter(item) + hCenterOffset); + 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 :) @@ -1042,6 +1086,25 @@ QDeclarativeAnchors::Anchors QDeclarativeAnchors::usedAnchors() const return d->usedAnchors; } + +Qt::LayoutDirection QDeclarativeAnchors::layoutDirection() const +{ + Q_D(const QDeclarativeAnchors); + return d->layoutDirection; +} + +void QDeclarativeAnchors::setLayoutDirection(Qt::LayoutDirection layoutDirection) +{ + Q_D(QDeclarativeAnchors); + if (d->layoutDirection != layoutDirection) { + d->layoutDirection = layoutDirection; + d->fillChanged(); + d->centerInChanged(); + d->updateHorizontalAnchors(); + emit layoutDirectionChanged(); + } +} + bool QDeclarativeAnchorsPrivate::checkHValid() const { if (usedAnchors & QDeclarativeAnchors::LeftAnchor && |