Ilia Ryabokon
12 years ago
parent
07a270bffc
commit
741298c0be
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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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@ -0,0 +1,39 @@ |
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#ifndef UBSELECTIONFRAME_H |
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#define UBSELECTIONFRAME_H |
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#include <QGraphicsRectItem> |
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#include <QtGui> |
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class UBGraphicsItemDelegate; |
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class UBSelectionFrame : public QObject, public QGraphicsRectItem |
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{ |
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Q_OBJECT |
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public: |
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UBSelectionFrame(); |
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); |
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QRectF boundingRect() const; |
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QPainterPath shape() const; |
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void setLocalBrush(const QBrush &pBrush) {mLocalBrush = pBrush;} |
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QBrush localBrush() const {return mLocalBrush;} |
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void setEnclosedItems(const QList<UBGraphicsItemDelegate*> pEncItems) {mEnclosedtems = pEncItems; updateRect();} |
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void setEnclosedItems(const QList<QGraphicsItem*> pGraphicsItems); |
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void updateRect(); |
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void updateScale(); |
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bool isEmpty() const {return this->rect().isEmpty();} |
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private slots: |
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void setAntiScaleRatio(qreal pAntiscaleRatio) {mAntiscaleRatio = pAntiscaleRatio;} |
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void onZoomChanged(qreal pZoom); |
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private: |
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int mThickness; |
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qreal mAntiscaleRatio; |
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QList<UBGraphicsItemDelegate*> mEnclosedtems; |
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QBrush mLocalBrush; |
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}; |
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#endif // UBSELECTIONFRAME_H
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