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106 lines
2.7 KiB
106 lines
2.7 KiB
12 years ago
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#include "UBSelectionFrame.h"
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#include <QtGui>
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#include "core/UB.h"
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#include "domain/UBItem.h"
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#include "board/UBBoardController.h"
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#include "core/UBSettings.h"
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#include "core/UBApplication.h"
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UBSelectionFrame::UBSelectionFrame()
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: mThickness(UBSettings::settings()->objectFrameWidth)
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, mAntiscaleRatio(1.0)
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{
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setLocalBrush(QBrush(UBSettings::paletteColor));
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setPen(Qt::NoPen);
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setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
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setFlags(QGraphicsItem::ItemIsMovable);
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connect(UBApplication::boardController, SIGNAL(zoomChanged(qreal)), this, SLOT(onZoomChanged(qreal)));
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}
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void UBSelectionFrame::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(option);
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Q_UNUSED(widget);
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QPainterPath path;
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QRectF shRect = option->rect;
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path.addRoundedRect(shRect, mThickness / 2, mThickness / 2);
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if (rect().width() > 1 && rect().height() > 1) {
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QPainterPath extruded;
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extruded.addRect(shRect.adjusted(mThickness, mThickness, (mThickness * -1), (mThickness * -1)));
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path = path.subtracted(extruded);
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}
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painter->fillPath(path, mLocalBrush);
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}
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QRectF UBSelectionFrame::boundingRect() const
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{
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return rect().adjusted(-mThickness, -mThickness, mThickness, mThickness);
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}
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QPainterPath UBSelectionFrame::shape() const
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{
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QPainterPath resShape;
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QRectF ownRect = rect();
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QRectF shRect = ownRect.adjusted(-mThickness, -mThickness, mThickness, mThickness);
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resShape.addRoundedRect(shRect, mThickness / 2, mThickness / 2);
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if (rect().width() > 1 && rect().height() > 1) {
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QPainterPath extruded;
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extruded.addRect(ownRect);
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resShape = resShape.subtracted(extruded);
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}
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return resShape;
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}
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void UBSelectionFrame::setEnclosedItems(const QList<QGraphicsItem*> pGraphicsItems)
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{
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QRectF resultRect;
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mEnclosedtems.clear();
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foreach (QGraphicsItem *nextItem, pGraphicsItems) {
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UBGraphicsItemDelegate *nextDelegate = UBGraphicsItem::Delegate(nextItem);
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if (nextDelegate) {
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mEnclosedtems.append(nextDelegate);
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resultRect |= nextItem->boundingRect();
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}
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}
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setRect(resultRect);
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if (resultRect.isEmpty()) {
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hide();
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}
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}
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void UBSelectionFrame::updateRect()
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{
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QRectF result;
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foreach (UBGraphicsItemDelegate *curDelegateItem, mEnclosedtems) {
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result |= curDelegateItem->delegated()->boundingRect();
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}
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setRect(result);
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if (result.isEmpty()) {
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setVisible(false);
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}
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}
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void UBSelectionFrame::updateScale()
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{
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setScale(-UBApplication::boardController->currentZoom());
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}
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void UBSelectionFrame::onZoomChanged(qreal pZoom)
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{
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mAntiscaleRatio = pZoom;
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updateScale();
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}
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