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925 lines
31 KiB
925 lines
31 KiB
/*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QString>
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#include <QCursor>
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#include "UBThumbnailWidget.h"
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#include "UBRubberBand.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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#include "document/UBDocumentProxy.h"
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#include "document/UBDocumentController.h"
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#include "core/memcheck.h"
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UBThumbnailWidget::UBThumbnailWidget(QWidget* parent)
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: QGraphicsView(parent)
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, mThumbnailWidth(UBSettings::defaultThumbnailWidth)
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, mSpacing(UBSettings::thumbnailSpacing)
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, mLastSelectedThumbnail(0)
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, mSelectionSpan(0)
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, mPrevLassoRect(QRect())
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, mLassoRectItem(0)
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{
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// By default, the drag is possible
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bCanDrag = true;
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setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform | QPainter::TextAntialiasing);
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setFrameShape(QFrame::NoFrame);
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setScene(&mThumbnailsScene);
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setAlignment(Qt::AlignLeft | Qt::AlignTop);
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connect(&mThumbnailsScene, SIGNAL(selectionChanged()), this, SLOT(sceneSelectionChanged()));
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}
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UBThumbnailWidget::~UBThumbnailWidget()
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{
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disconnect(&mThumbnailsScene, SIGNAL(selectionChanged()));
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}
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void UBThumbnailWidget::setThumbnailWidth(qreal pThumbnailWidth)
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{
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mThumbnailWidth = pThumbnailWidth;
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refreshScene();
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}
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void UBThumbnailWidget::setSpacing(qreal pSpacing)
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{
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mSpacing = pSpacing;
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refreshScene();
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}
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void UBThumbnailWidget::setGraphicsItems(const QList<QGraphicsItem*>& pGraphicsItems
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, const QList<QUrl>& pItemsPaths
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, const QStringList pLabels
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, const QString& pMimeType)
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{
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mGraphicItems = pGraphicsItems;
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mItemsPaths = pItemsPaths;
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mMimeType = pMimeType;
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mLabels = pLabels;
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foreach(QGraphicsItem* it, mThumbnailsScene.items())
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{
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mThumbnailsScene.removeItem(it, true);
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}
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// set lasso to 0 as it has been cleared as well
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mLassoRectItem = 0;
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foreach (QGraphicsItem* item, pGraphicsItems)
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{
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if (item->scene() != &mThumbnailsScene)
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{
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mThumbnailsScene.addItem(item);
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}
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}
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mLabelsItems.clear();
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foreach (const QString label, pLabels)
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{
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QFontMetrics fm(font());
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UBThumbnailTextItem *labelItem =
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new UBThumbnailTextItem(label); // deleted while replace or by the scene destruction
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mThumbnailsScene.addItem(labelItem);
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mLabelsItems << labelItem;
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}
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refreshScene();
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mLastSelectedThumbnail = 0;
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}
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void UBThumbnailWidget::refreshScene()
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{
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int nbColumns = (geometry().width() - mSpacing) / (mThumbnailWidth + mSpacing);
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int labelSpacing = 0;
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if (mLabelsItems.size() > 0)
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{
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QFontMetrics fm(mLabelsItems.at(0)->font());
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labelSpacing = UBSettings::thumbnailSpacing + fm.height(); // TODO UB 4.x where is 20 from ??? configure ?? compute based on mSpacing ?? JBA Is it the font height?
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}
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nbColumns = qMax(nbColumns, 1);
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qreal thumbnailHeight = mThumbnailWidth / UBSettings::minScreenRatio;
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for (int i = 0; i < mGraphicItems.size(); i++)
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{
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QGraphicsItem* item = mGraphicItems.at(i);
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qreal scaleWidth = mThumbnailWidth / item->boundingRect().width();
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qreal scaleHeight = thumbnailHeight / item->boundingRect().height();
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qreal scaleFactor = qMin(scaleWidth, scaleHeight);
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//bitmap should not be stretched
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UBThumbnail* pix = dynamic_cast<UBThumbnail*>(item);
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if (pix)
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scaleFactor = qMin(scaleFactor, 1.0);
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QTransform transform;
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transform.scale(scaleFactor, scaleFactor);
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item->setTransform(transform);
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item->setFlag(QGraphicsItem::ItemIsSelectable, true);
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int columnIndex = i % nbColumns;
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int rowIndex = i / nbColumns;
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if (pix)
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{
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pix->setColumn(columnIndex);
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pix->setRow(rowIndex);
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}
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int w = item->boundingRect().width();
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int h = item->boundingRect().height();
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QPointF pos(
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mSpacing + (mThumbnailWidth - w * scaleFactor) / 2 + columnIndex * (mThumbnailWidth + mSpacing),
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mSpacing + rowIndex * (thumbnailHeight + mSpacing + labelSpacing) + (thumbnailHeight - h * scaleFactor) / 2);
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item->setPos(pos);
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if (mLabelsItems.size() > i)
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{
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QFontMetrics fm(mLabelsItems.at(i)->font(), this);
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QString elidedText = fm.elidedText(mLabels.at(i), Qt::ElideRight, mThumbnailWidth);
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mLabelsItems.at(i)->setPlainText(elidedText);
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mLabelsItems.at(i)->setWidth(fm.width(elidedText) + 2 * mLabelsItems.at(i)->document()->documentMargin());
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pos.setY(pos.y() + (thumbnailHeight + h * scaleFactor) / 2 + 5);
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qreal labelWidth = fm.width(elidedText);
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pos.setX(mSpacing + (mThumbnailWidth - labelWidth) / 2 + columnIndex * (mThumbnailWidth + mSpacing));
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mLabelsItems.at(i)->setPos(pos);
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}
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}
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QScrollBar *vertScrollBar = verticalScrollBar();
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int scrollBarThickness = 0;
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if (vertScrollBar && vertScrollBar->isVisible())
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scrollBarThickness = vertScrollBar->width();
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setSceneRect(0, 0,
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geometry().width() - scrollBarThickness,
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mSpacing + ((((mGraphicItems.size() - 1) / nbColumns) + 1) * (thumbnailHeight + mSpacing + labelSpacing)));
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}
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QList<QGraphicsItem*> UBThumbnailWidget::selectedItems()
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{
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QList<QGraphicsItem*> sortedSelectedItems = mThumbnailsScene.selectedItems();
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qSort(sortedSelectedItems.begin(), sortedSelectedItems.end(), thumbnailLessThan);
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return sortedSelectedItems;
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}
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void UBThumbnailWidget::mousePressEvent(QMouseEvent *event)
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{
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mClickTime = QTime::currentTime();
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mMousePressPos = event->pos();
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UBSceneThumbnailPixmap* sceneItem = dynamic_cast<UBSceneThumbnailPixmap*>(itemAt(mMousePressPos));
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if(sceneItem){
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int pageIndex = UBDocumentContainer::pageFromSceneIndex(sceneItem->sceneIndex());
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if(pageIndex == 0){
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event->ignore();
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return;
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}
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}
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mMousePressScenePos = mapToScene(mMousePressPos);
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QGraphicsItem* underlyingItem = itemAt(mMousePressPos);
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UBThumbnail *previousSelectedThumbnail = mLastSelectedThumbnail;
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if (!dynamic_cast<UBThumbnail*>(underlyingItem))
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{
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deleteLasso();
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UBRubberBand rubberBand(QRubberBand::Rectangle);
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QStyleOption option;
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option.initFrom(&rubberBand);
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mPrevLassoRect = QRect();
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mLassoRectItem = new QGraphicsRectItem(0, scene());
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#ifdef Q_WS_MAC
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// The following code must stay in synch with <Qt installation folder>\src\gui\styles\qmacstyle_mac.mm
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QColor strokeColor;
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strokeColor.setHsvF(0, 0, 0.86, 1.0);
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mLassoRectItem->setPen(QPen(strokeColor));
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QColor fillColor(option.palette.color(QPalette::Disabled, QPalette::Highlight));
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fillColor.setHsvF(0, 0, 0.53, 0.25);
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mLassoRectItem->setBrush(fillColor);
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#else
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// The following code must stay in synch with <Qt installation folder>\src\gui\styles\qwindowsxpstyle.cpp
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QColor highlight = option.palette.color(QPalette::Active, QPalette::Highlight);
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mLassoRectItem->setPen(highlight.darker(120));
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QColor dimHighlight(qMin(highlight.red() / 2 + 110, 255),
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qMin(highlight.green() / 2 + 110, 255),
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qMin(highlight.blue() / 2 + 110, 255),
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127);
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mLassoRectItem->setBrush(dimHighlight);
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#endif
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mLassoRectItem->setZValue(10000);
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mLassoRectItem->setRect(QRectF(mMousePressScenePos, QSizeF()));
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if (Qt::ControlModifier & event->modifiers() || Qt::ShiftModifier & event->modifiers())
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{
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// mSelectedThumbnailItems = selectedItems().toSet();
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return;
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}
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mSelectedThumbnailItems.clear();
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mPreviouslyIncrementalSelectedItemsX.clear();
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mPreviouslyIncrementalSelectedItemsY.clear();
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QGraphicsView::mousePressEvent(event);
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}
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else if (Qt::ShiftModifier & event->modifiers())
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{
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if (previousSelectedThumbnail)
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{
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QGraphicsItem* previousSelectedItem = dynamic_cast<QGraphicsItem*>(previousSelectedThumbnail);
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if (previousSelectedItem)
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{
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int index1 = mGraphicItems.indexOf(previousSelectedItem);
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int index2 = mGraphicItems.indexOf(underlyingItem);
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if (-1 == index2)
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{
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mSelectedThumbnailItems = selectedItems().toSet();
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return;
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}
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mSelectionSpan = index2 - index1;
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selectItems(qMin(index1, index2), mSelectionSpan < 0 ? - mSelectionSpan + 1 : mSelectionSpan + 1);
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return;
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}
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}
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}
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else
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{
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mLastSelectedThumbnail = dynamic_cast<UBThumbnail*>(underlyingItem);
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if (!underlyingItem->isSelected())
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{
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int index = mGraphicItems.indexOf(underlyingItem);
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selectItemAt(index, Qt::ControlModifier & event->modifiers());
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}
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else
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{
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QGraphicsView::mousePressEvent(event);
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}
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if (!mLastSelectedThumbnail && mGraphicItems.count() > 0)
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mLastSelectedThumbnail = dynamic_cast<UBThumbnail*>(mGraphicItems.at(0));
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mSelectionSpan = 0;
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return;
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}
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}
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void UBThumbnailWidget::mouseMoveEvent(QMouseEvent *event)
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{
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int distance = (mMousePressPos - event->pos()).manhattanLength();
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if (0 == (event->buttons() & Qt::LeftButton) || distance < QApplication::startDragDistance())
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return;
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if (mLassoRectItem)
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{
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bSelectionInProgress = true;
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int incrementLassoMinWidth = 2;
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QPointF currentScenePos = mapToScene(event->pos());
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QRectF lassoRect(
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qMin(mMousePressScenePos.x(), currentScenePos.x()), qMin(mMousePressScenePos.y(), currentScenePos.y()),
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qAbs(mMousePressScenePos.x() - currentScenePos.x()), qAbs(mMousePressScenePos.y() - currentScenePos.y()));
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if (QPoint() == prevMoveMousePos)
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prevMoveMousePos = currentScenePos;
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QRectF incrementXSelection(
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qMin(prevMoveMousePos.x(), currentScenePos.x()), qMin(mMousePressScenePos.y(), currentScenePos.y()),
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qAbs(prevMoveMousePos.x() - currentScenePos.x())+incrementLassoMinWidth, qAbs(mMousePressScenePos.y() - currentScenePos.y()));
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QRectF incrementYSelection(
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qMin(mMousePressScenePos.x(), currentScenePos.x()), qMin(prevMoveMousePos.y(), currentScenePos.y()),
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qAbs(mMousePressScenePos.x() - currentScenePos.x()), qAbs(prevMoveMousePos.y() - currentScenePos.y())+incrementLassoMinWidth);
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prevMoveMousePos = currentScenePos;
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mLassoRectItem->setRect(lassoRect);
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QSet<QGraphicsItem*> lassoSelectedThumbnailItems;
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QSet<QGraphicsItem*> toUnset;
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QSet<QGraphicsItem*> toSet;
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// for horizontal moving
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QSet<QGraphicsItem*> incSelectedItemsX = scene()->items(incrementXSelection, Qt::IntersectsItemBoundingRect).toSet();
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foreach (QGraphicsItem *lassoSelectedItem, incSelectedItemsX)
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{
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if (lassoSelectedItem)
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{
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UBSceneThumbnailPixmap *thumbnailItem = dynamic_cast<UBSceneThumbnailPixmap*>(lassoSelectedItem);
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if (thumbnailItem)
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lassoSelectedThumbnailItems += lassoSelectedItem;
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}
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}
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if(lassoRect.width() < mPrevLassoRect.width())
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{
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if (!lassoSelectedThumbnailItems.contains(mPreviouslyIncrementalSelectedItemsX))
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toUnset += mPreviouslyIncrementalSelectedItemsX - lassoSelectedThumbnailItems;
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}
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mPreviouslyIncrementalSelectedItemsX = lassoSelectedThumbnailItems;
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toSet += lassoSelectedThumbnailItems + mPreviouslyIncrementalSelectedItemsX;
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lassoSelectedThumbnailItems.clear();
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// for vertical moving
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QSet<QGraphicsItem*> incSelectedItemsY = scene()->items(incrementYSelection, Qt::IntersectsItemBoundingRect).toSet();
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foreach (QGraphicsItem *lassoSelectedItem, incSelectedItemsY)
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{
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if (lassoSelectedItem)
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{
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UBSceneThumbnailPixmap *thumbnailItem = dynamic_cast<UBSceneThumbnailPixmap*>(lassoSelectedItem);
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if (thumbnailItem)
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lassoSelectedThumbnailItems += lassoSelectedItem;
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}
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}
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if(lassoRect.height() < mPrevLassoRect.height())
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{
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if (!lassoSelectedThumbnailItems.contains(mPreviouslyIncrementalSelectedItemsY))
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toUnset += mPreviouslyIncrementalSelectedItemsY - lassoSelectedThumbnailItems;
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}
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mPreviouslyIncrementalSelectedItemsY = lassoSelectedThumbnailItems;
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toSet += lassoSelectedThumbnailItems + mPreviouslyIncrementalSelectedItemsY;
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toSet -= toUnset;
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foreach (QGraphicsItem *item, toSet)
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{
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item->setSelected(true);
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}
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foreach (QGraphicsItem *item, toUnset)
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{
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item->setSelected(false);
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}
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mSelectedThumbnailItems += lassoSelectedThumbnailItems;
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mPrevLassoRect = lassoRect;
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if (Qt::ControlModifier & event->modifiers())
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{
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for (int i = 0; i < mSelectedThumbnailItems.count()-1; i++)
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{
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mSelectedThumbnailItems.values().at(i)->setSelected(true);
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}
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}
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}
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else
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{
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bSelectionInProgress = false;
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if (0 == selectedItems().size())
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return;
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if(bCanDrag)
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{
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QDrag *drag = new QDrag(this);
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QMimeData *mime = new QMimeData();
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if (mMimeType.length() > 0)
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mime->setData(mMimeType, QByteArray()); // trick the d&d system to register our own mime type
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drag->setMimeData(mime);
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QList<QUrl> qlElements;
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foreach (QGraphicsItem* item, selectedItems())
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{
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if (mGraphicItems.contains(item))
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{
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if (mGraphicItems.indexOf(item) <= mItemsPaths.size()){
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qlElements << mItemsPaths.at(mGraphicItems.indexOf(item));
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}
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}
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}
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if (qlElements.size() > 0){
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mime->setUrls(qlElements);
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drag->setMimeData(mime);
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drag->exec(Qt::CopyAction);
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}
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}
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}
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QGraphicsView::mouseMoveEvent(event);
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}
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void UBThumbnailWidget::mouseReleaseEvent(QMouseEvent *event)
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{
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int elapsedTimeSincePress = mClickTime.elapsed();
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prevMoveMousePos = QPoint();
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deleteLasso();
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QGraphicsView::mouseReleaseEvent(event);
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if(elapsedTimeSincePress < STARTDRAGTIME) {
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emit mouseClick(itemAt(event->pos()), 0);
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}
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}
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void UBThumbnailWidget::keyPressEvent(QKeyEvent *event)
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{
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if (mLastSelectedThumbnail)
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{
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QGraphicsItem *lastSelectedGraphicsItem = dynamic_cast<QGraphicsItem*>(mLastSelectedThumbnail);
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if (!lastSelectedGraphicsItem) return;
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int startSelectionIndex = mGraphicItems.indexOf(lastSelectedGraphicsItem);
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int previousSelectedThumbnailIndex = startSelectionIndex + mSelectionSpan;
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switch (event->key())
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{
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case Qt::Key_Down:
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case Qt::Key_Up:
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{
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if (rowCount() <= 1) break;
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if (Qt::ShiftModifier & event->modifiers())
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{
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int endSelectionIndex;
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if (Qt::Key_Down == event->key())
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{
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endSelectionIndex = previousSelectedThumbnailIndex + columnCount();
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if (endSelectionIndex >= mGraphicItems.count()) break;
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}
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else
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{
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endSelectionIndex = previousSelectedThumbnailIndex - columnCount();
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if (endSelectionIndex < 0) break;
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}
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int startIndex = startSelectionIndex < endSelectionIndex ? startSelectionIndex : endSelectionIndex;
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int count = startSelectionIndex < endSelectionIndex ? endSelectionIndex - startSelectionIndex + 1 : startSelectionIndex - endSelectionIndex + 1;
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mSelectionSpan = startSelectionIndex < endSelectionIndex ? (count - 1) : - (count - 1);
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selectItems(startIndex, count);
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}
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else
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{
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int toSelectIndex;
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if (Qt::Key_Down == event->key())
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{
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toSelectIndex = previousSelectedThumbnailIndex + columnCount();
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if (toSelectIndex >= mGraphicItems.count()) break;
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}
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else
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{
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toSelectIndex = previousSelectedThumbnailIndex - columnCount();
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if (toSelectIndex < 0) break;
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}
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|
|
selectItemAt(toSelectIndex, Qt::ControlModifier & event->modifiers());
|
|
mSelectionSpan = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case Qt::Key_Left:
|
|
case Qt::Key_Right:
|
|
{
|
|
QGraphicsItem *previousSelectedItem = mGraphicItems.at(previousSelectedThumbnailIndex);
|
|
UBThumbnail *previousSelectedThumbnail = dynamic_cast<UBThumbnail*>(previousSelectedItem);
|
|
if (!previousSelectedThumbnail) break;
|
|
|
|
if (Qt::Key_Left == event->key())
|
|
{
|
|
if (0 == previousSelectedThumbnail->column()) break;
|
|
}
|
|
else
|
|
{
|
|
if (previousSelectedThumbnail->column() == columnCount() - 1 ||
|
|
previousSelectedThumbnailIndex == mGraphicItems.count() - 1) break;
|
|
}
|
|
|
|
if (Qt::ShiftModifier & event->modifiers())
|
|
{
|
|
int endSelectionIndex;
|
|
if (Qt::Key_Left == event->key())
|
|
{
|
|
endSelectionIndex = previousSelectedThumbnailIndex - 1;
|
|
if (endSelectionIndex < 0) break;
|
|
}
|
|
else
|
|
{
|
|
endSelectionIndex = previousSelectedThumbnailIndex + 1;
|
|
if (endSelectionIndex >= mGraphicItems.count()) break;
|
|
}
|
|
|
|
int startIndex = startSelectionIndex < endSelectionIndex ? startSelectionIndex : endSelectionIndex;
|
|
int count = startSelectionIndex < endSelectionIndex ? endSelectionIndex - startSelectionIndex + 1 : startSelectionIndex - endSelectionIndex + 1;
|
|
mSelectionSpan = startSelectionIndex < endSelectionIndex ? (count - 1) : - (count - 1);
|
|
selectItems(startIndex, count);
|
|
}
|
|
else
|
|
{
|
|
if (Qt::Key_Left == event->key())
|
|
selectItemAt(previousSelectedThumbnailIndex - 1, Qt::ControlModifier & event->modifiers());
|
|
else
|
|
selectItemAt(previousSelectedThumbnailIndex + 1, Qt::ControlModifier & event->modifiers());
|
|
|
|
mSelectionSpan = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case Qt::Key_Home:
|
|
{
|
|
if (Qt::ShiftModifier & event->modifiers())
|
|
{
|
|
mSelectionSpan = - startSelectionIndex;
|
|
selectItems(0, startSelectionIndex + 1);
|
|
}
|
|
else
|
|
{
|
|
selectItemAt(0, Qt::ControlModifier & event->modifiers());
|
|
mSelectionSpan = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case Qt::Key_End:
|
|
{
|
|
if (Qt::ShiftModifier & event->modifiers())
|
|
{
|
|
mSelectionSpan = mGraphicItems.count() - startSelectionIndex - 1;
|
|
selectItems(startSelectionIndex, mSelectionSpan + 1);
|
|
}
|
|
else
|
|
{
|
|
selectItemAt(mGraphicItems.count() - 1, Qt::ControlModifier & event->modifiers());
|
|
mSelectionSpan = 0;
|
|
}
|
|
}
|
|
break;
|
|
case Qt::Key_A:
|
|
{
|
|
if (Qt::ControlModifier & event->modifiers())
|
|
selectAll();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
QGraphicsView::keyPressEvent(event);
|
|
}
|
|
|
|
|
|
void UBThumbnailWidget::focusInEvent(QFocusEvent *event)
|
|
{
|
|
Q_UNUSED(event);
|
|
|
|
if (0 == selectedItems().count() && mGraphicItems.count() > 0 && Qt::TabFocusReason == event->reason())
|
|
{
|
|
selectItemAt(0);
|
|
mSelectionSpan = 0;
|
|
}
|
|
}
|
|
|
|
|
|
void UBThumbnailWidget::resizeEvent(QResizeEvent *event)
|
|
{
|
|
Q_UNUSED(event);
|
|
|
|
refreshScene();
|
|
|
|
emit resized();
|
|
}
|
|
|
|
|
|
void UBThumbnailWidget::sceneSelectionChanged()
|
|
{
|
|
emit selectionChanged();
|
|
}
|
|
|
|
|
|
void UBThumbnailWidget::selectItemAt(int pIndex, bool extend)
|
|
{
|
|
QGraphicsItem* itemToSelect = 0;
|
|
|
|
if (pIndex >= 0 && pIndex < mGraphicItems.size())
|
|
itemToSelect = mGraphicItems.at(pIndex);
|
|
|
|
foreach (QGraphicsItem* item, items())
|
|
{
|
|
if (item == itemToSelect)
|
|
{
|
|
mLastSelectedThumbnail = dynamic_cast<UBThumbnail*>(item);
|
|
item->setSelected(true);
|
|
ensureVisible(item);
|
|
}
|
|
else if (!extend)
|
|
{
|
|
item->setSelected(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
void UBThumbnailWidget::unselectItemAt(int pIndex)
|
|
{
|
|
if (pIndex >= 0 && pIndex < mGraphicItems.size())
|
|
{
|
|
QGraphicsItem *itemToUnselect = mGraphicItems.at(pIndex);
|
|
itemToUnselect->setSelected(false);
|
|
}
|
|
}
|
|
|
|
|
|
void UBThumbnailWidget::selectItems(int startIndex, int count)
|
|
{
|
|
for (int i = 0; i < mGraphicItems.count(); i++)
|
|
{
|
|
mGraphicItems.at(i)->setSelected(i >= startIndex && i < startIndex + count);
|
|
}
|
|
}
|
|
|
|
|
|
void UBThumbnailWidget::selectAll()
|
|
{
|
|
foreach (QGraphicsItem* item, mGraphicItems)
|
|
{
|
|
item->setSelected(true);
|
|
}
|
|
}
|
|
|
|
int UBThumbnailWidget::rowCount() const
|
|
{
|
|
UBThumbnail *lastThumbnail = dynamic_cast<UBThumbnail*>(mGraphicItems.last());
|
|
return lastThumbnail ? lastThumbnail->row() + 1 : 0;
|
|
}
|
|
|
|
int UBThumbnailWidget::columnCount() const
|
|
{
|
|
UBThumbnail *lastThumbnail = dynamic_cast<UBThumbnail*>(mGraphicItems.last());
|
|
if (!lastThumbnail) return 0;
|
|
int lastRow = lastThumbnail->row();
|
|
int lastColumn = lastThumbnail->column();
|
|
return lastRow > 0 ? (mGraphicItems.count() - lastColumn - 1) / lastRow : mGraphicItems.count();
|
|
}
|
|
|
|
|
|
void UBThumbnailWidget::mouseDoubleClickEvent(QMouseEvent * event)
|
|
{
|
|
QGraphicsItem* item = itemAt(event->pos());
|
|
|
|
if (item)
|
|
{
|
|
int index = mGraphicItems.indexOf(item);
|
|
emit mouseDoubleClick(item, index);
|
|
}
|
|
}
|
|
|
|
|
|
bool UBThumbnailWidget::thumbnailLessThan(QGraphicsItem* item1, QGraphicsItem* item2)
|
|
{
|
|
UBThumbnail *thumbnail1 = dynamic_cast<UBThumbnail*>(item1);
|
|
UBThumbnail *thumbnail2 = dynamic_cast<UBThumbnail*>(item2);
|
|
if (thumbnail1 && thumbnail2)
|
|
{
|
|
if (thumbnail1->row() != thumbnail2->row())
|
|
return thumbnail1->row() < thumbnail2->row();
|
|
else
|
|
return thumbnail1->column() < thumbnail2->column();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void UBThumbnailWidget::deleteLasso()
|
|
{
|
|
if (mLassoRectItem && scene())
|
|
{
|
|
scene()->removeItem(mLassoRectItem);
|
|
delete mLassoRectItem;
|
|
mLassoRectItem = 0;
|
|
}
|
|
}
|
|
|
|
|
|
UBThumbnail::UBThumbnail()
|
|
: mAddedToScene(false)
|
|
{
|
|
mSelectionItem = new QGraphicsRectItem(0, 0, 0, 0);
|
|
mSelectionItem->setPen(QPen(UBSettings::treeViewBackgroundColor, 8));
|
|
// TODO UB 4.x fix nasty dependencies : 8 is a bit less than half of UBThumbnailWidget.mSpacing
|
|
}
|
|
|
|
UBThumbnail::~UBThumbnail()
|
|
{
|
|
if (mSelectionItem && !mAddedToScene)
|
|
delete mSelectionItem;
|
|
}
|
|
|
|
|
|
UBSceneThumbnailNavigPixmap::UBSceneThumbnailNavigPixmap(const QPixmap& pix, UBDocumentProxy* proxy, int pSceneIndex)
|
|
: UBSceneThumbnailPixmap(pix, proxy, pSceneIndex)
|
|
, bButtonsVisible(false)
|
|
, bCanDelete(false)
|
|
, bCanMoveUp(false)
|
|
, bCanMoveDown(false)
|
|
, bCanDuplicate(false)
|
|
{
|
|
if(0 <= UBDocumentContainer::pageFromSceneIndex(pSceneIndex)){
|
|
setAcceptsHoverEvents(true);
|
|
setFlag(QGraphicsItem::ItemIsSelectable, true);
|
|
}
|
|
}
|
|
|
|
UBSceneThumbnailNavigPixmap::~UBSceneThumbnailNavigPixmap()
|
|
{
|
|
|
|
}
|
|
|
|
void UBSceneThumbnailNavigPixmap::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
event->accept();
|
|
updateButtonsState();
|
|
update();
|
|
}
|
|
|
|
void UBSceneThumbnailNavigPixmap::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
event->accept();
|
|
bButtonsVisible = false;
|
|
update();
|
|
}
|
|
|
|
void UBSceneThumbnailNavigPixmap::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
|
|
{
|
|
Q_UNUSED(option);
|
|
Q_UNUSED(widget);
|
|
|
|
UBSceneThumbnailPixmap::paint(painter, option, widget);
|
|
if(bButtonsVisible)
|
|
{
|
|
if(bCanDelete)
|
|
painter->drawPixmap(0, 0, BUTTONSIZE, BUTTONSIZE, QPixmap(":images/close.svg"));
|
|
else
|
|
painter->drawPixmap(0, 0, BUTTONSIZE, BUTTONSIZE, QPixmap(":images/closeDisabled.svg"));
|
|
if(bCanDuplicate)
|
|
painter->drawPixmap(BUTTONSIZE + BUTTONSPACING, 0, BUTTONSIZE, BUTTONSIZE, QPixmap(":images/duplicate.svg"));
|
|
else
|
|
painter->drawPixmap(BUTTONSIZE + BUTTONSPACING, 0, BUTTONSIZE, BUTTONSIZE, QPixmap(":images/duplicateDisabled.svg"));
|
|
if(bCanMoveUp)
|
|
painter->drawPixmap(2*(BUTTONSIZE + BUTTONSPACING), 0, BUTTONSIZE, BUTTONSIZE, QPixmap(":images/moveUp.svg"));
|
|
else
|
|
painter->drawPixmap(2*(BUTTONSIZE + BUTTONSPACING), 0, BUTTONSIZE, BUTTONSIZE, QPixmap(":images/moveUpDisabled.svg"));
|
|
if(bCanMoveDown)
|
|
painter->drawPixmap(3*(BUTTONSIZE + BUTTONSPACING), 0, BUTTONSIZE, BUTTONSIZE, QPixmap(":images/menu.svg"));
|
|
else
|
|
painter->drawPixmap(3*(BUTTONSIZE + BUTTONSPACING), 0, BUTTONSIZE, BUTTONSIZE, QPixmap(":images/menuDisabled.svg"));
|
|
}
|
|
}
|
|
|
|
void UBSceneThumbnailNavigPixmap::mousePressEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
QPointF p = event->pos();
|
|
|
|
// Here we check the position of the click and verify if it has to trig an action or not.
|
|
if(bCanDelete && p.x() >= 0 && p.x() <= BUTTONSIZE && p.y() >= 0 && p.y() <= BUTTONSIZE)
|
|
deletePage();
|
|
if(bCanDuplicate && p.x() >= BUTTONSIZE + BUTTONSPACING && p.x() <= 2*BUTTONSIZE + BUTTONSPACING && p.y() >= 0 && p.y() <= BUTTONSIZE)
|
|
duplicatePage();
|
|
if(bCanMoveUp && p.x() >= 2*(BUTTONSIZE + BUTTONSPACING) && p.x() <= 3*BUTTONSIZE + 2*BUTTONSPACING && p.y() >= 0 && p.y() <= BUTTONSIZE)
|
|
moveUpPage();
|
|
if(bCanMoveDown && p.x() >= 3*(BUTTONSIZE + BUTTONSPACING) && p.x() <= 4*BUTTONSIZE + 3*BUTTONSPACING && p.y() >= 0 && p.y() <= BUTTONSIZE)
|
|
moveDownPage();
|
|
|
|
event->accept();
|
|
}
|
|
|
|
void UBSceneThumbnailNavigPixmap::updateButtonsState()
|
|
{
|
|
|
|
bCanDelete = false;
|
|
bCanMoveUp = false;
|
|
bCanMoveDown = false;
|
|
bCanDuplicate = false;
|
|
|
|
if(proxy()){
|
|
int pageIndex = UBDocumentContainer::pageFromSceneIndex(sceneIndex());
|
|
UBDocumentController* documentController = UBApplication::documentController;
|
|
bCanDelete = documentController->pageCanBeDeleted(pageIndex);
|
|
bCanMoveUp = documentController->pageCanBeMovedUp(pageIndex);
|
|
bCanMoveDown = documentController->pageCanBeMovedDown(pageIndex);
|
|
bCanDuplicate = documentController->pageCanBeDuplicated(pageIndex);
|
|
}
|
|
|
|
if(bCanDelete || bCanMoveUp || bCanMoveDown || bCanDuplicate)
|
|
bButtonsVisible = true;
|
|
}
|
|
|
|
void UBSceneThumbnailNavigPixmap::deletePage()
|
|
{
|
|
UBApplication::boardController->deleteScene(sceneIndex());
|
|
}
|
|
|
|
void UBSceneThumbnailNavigPixmap::duplicatePage()
|
|
{
|
|
UBApplication::boardController->duplicateScene(sceneIndex());
|
|
}
|
|
|
|
void UBSceneThumbnailNavigPixmap::moveUpPage()
|
|
{
|
|
if (sceneIndex()!=0)
|
|
UBApplication::boardController->moveSceneToIndex(sceneIndex(), sceneIndex() - 1);
|
|
}
|
|
|
|
void UBSceneThumbnailNavigPixmap::moveDownPage()
|
|
{
|
|
if (sceneIndex() < UBApplication::boardController->selectedDocument()->pageCount()-1)
|
|
UBApplication::boardController->moveSceneToIndex(sceneIndex(), sceneIndex() + 1);
|
|
}
|
|
|
|
void UBImgTextThumbnailElement::Place(int row, int col, qreal width, qreal height)
|
|
{
|
|
int labelSpacing = 0;
|
|
if(this->caption)
|
|
{
|
|
QFontMetrics fm(this->caption->font());
|
|
labelSpacing = UBSettings::thumbnailSpacing + fm.height();
|
|
}
|
|
if(this->thumbnail)
|
|
{
|
|
int w = this->thumbnail->boundingRect().width();
|
|
int h = this->thumbnail->boundingRect().height();
|
|
|
|
qreal scaleWidth = width / w;
|
|
qreal scaleHeight = height / h;
|
|
qreal scaleFactor = qMin(scaleWidth, scaleHeight);
|
|
UBThumbnail* pix = dynamic_cast<UBThumbnail*>(this->thumbnail);
|
|
|
|
QTransform transform;
|
|
transform.scale(scaleFactor, scaleFactor);
|
|
|
|
// Apply the scaling
|
|
this->thumbnail->setTransform(transform);
|
|
this->thumbnail->setFlag(QGraphicsItem::ItemIsSelectable, true);
|
|
|
|
if(pix)
|
|
{
|
|
pix->setColumn(col);
|
|
pix->setRow(row);
|
|
}
|
|
|
|
QPointF pos(border + (width - w * scaleFactor) / 2 + col * (width + border),
|
|
border + row * (height + border + labelSpacing) + (height - h * scaleFactor) / 2);
|
|
|
|
this->thumbnail->setPos(pos);
|
|
|
|
if(this->caption)
|
|
{
|
|
QFontMetrics fm(this->caption->font());
|
|
QString elidedText = fm.elidedText(this->caption->toPlainText(), Qt::ElideRight, width);
|
|
|
|
this->caption->setPlainText(elidedText);
|
|
this->caption->setWidth(fm.width(elidedText) + 2 * this->caption->document()->documentMargin());
|
|
pos.setY(pos.y() + (height + h * scaleFactor) / 2 + 5); // What is this 5 ??
|
|
qreal labelWidth = fm.width(elidedText);
|
|
pos.setX(border + (width - labelWidth) / 2 + col * (width + border));
|
|
this->caption->setPos(pos);
|
|
}
|
|
}
|
|
}
|
|
|