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681 lines
20 KiB
681 lines
20 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 3 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 <QtGui>
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#include <QtSvg>
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#include <QDrag>
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#include "UBGraphicsItemDelegate.h"
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#include "UBGraphicsDelegateFrame.h"
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#include "UBGraphicsScene.h"
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#include "UBGraphicsItemUndoCommand.h"
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#include "UBGraphicsItemTransformUndoCommand.h"
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#include "board/UBBoardController.h" // TODO UB 4.x clean that dependency
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#include "board/UBBoardView.h" // TODO UB 4.x clean that dependency
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#include "core/UBApplication.h"
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#include "core/UBApplicationController.h"
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#include "core/UBDisplayManager.h"
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#include "core/UBSettings.h"
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#include "core/UBPersistenceManager.h"
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#include "document/UBDocumentProxy.h"
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#include "UBGraphicsWidgetItem.h"
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#include "domain/UBAbstractWidget.h"
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#include "domain/UBGraphicsTextItem.h"
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#include "domain/UBGraphicsAudioItem.h"
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#include "domain/UBGraphicsVideoItem.h"
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#include "web/UBWebController.h"
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#include "frameworks/UBFileSystemUtils.h"
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#include "board/UBDrawingController.h"
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#include "core/memcheck.h"
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class UBGraphicsParaschoolEditorWidgetItem;
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void DelegateButton::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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// make sure delegate is selected, to avoid control being hidden
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mPressedTime = QTime::currentTime();
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// mDelegated->setSelected(true);
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event->setAccepted(!mIsTransparentToMouseEvent);
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}
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void DelegateButton::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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int timeto = qAbs(QTime::currentTime().msecsTo(mPressedTime));
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if (timeto < UBSettings::longClickInterval) {
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emit clicked();
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} else {
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emit longClicked();
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}
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event->setAccepted(!mIsTransparentToMouseEvent);
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}
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UBGraphicsItemDelegate::UBGraphicsItemDelegate(QGraphicsItem* pDelegated, QObject * parent, bool respectRatio, bool canRotate)
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: QObject(parent)
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, mDelegated(pDelegated)
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, mDeleteButton(NULL)
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, mDuplicateButton(NULL)
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, mMenuButton(NULL)
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, mMenu(0)
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, mLockAction(0)
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, mShowOnDisplayAction(0)
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, mGotoContentSourceAction(0)
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, mFrame(0)
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, mFrameWidth(UBSettings::settings()->objectFrameWidth)
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, mAntiScaleRatio(1.0)
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, mCanRotate(canRotate)
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, mCanDuplicate(true)
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, mRespectRatio(respectRatio)
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, mMimeData(NULL)
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, mFlippable(false)
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{
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// NOOP
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}
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void UBGraphicsItemDelegate::init()
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{
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mToolBarItem = new UBGraphicsToolBarItem(delegated());
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mFrame = new UBGraphicsDelegateFrame(this, QRectF(0, 0, 0, 0), mFrameWidth, mRespectRatio);
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mFrame->hide();
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mFrame->setFlag(QGraphicsItem::ItemIsSelectable, true);
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mDeleteButton = new DelegateButton(":/images/close.svg", mDelegated, mFrame, Qt::TopLeftSection);
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mButtons << mDeleteButton;
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connect(mDeleteButton, SIGNAL(clicked()), this, SLOT(remove()));
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if (canDuplicate()){
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mDuplicateButton = new DelegateButton(":/images/duplicate.svg", mDelegated, mFrame, Qt::TopLeftSection);
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connect(mDuplicateButton, SIGNAL(clicked(bool)), this, SLOT(duplicate()));
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mButtons << mDuplicateButton;
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}
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mMenuButton = new DelegateButton(":/images/menu.svg", mDelegated, mFrame, Qt::TopLeftSection);
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connect(mMenuButton, SIGNAL(clicked()), this, SLOT(showMenu()));
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mButtons << mMenuButton;
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mZOrderUpButton = new DelegateButton(":/images/plus.svg", mDelegated, mFrame, Qt::BottomLeftSection);
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connect(mZOrderUpButton, SIGNAL(clicked()), this, SLOT(increaseZLevelUp()));
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connect(mZOrderUpButton, SIGNAL(longClicked()), this, SLOT(increaseZlevelTop()));
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mButtons << mZOrderUpButton;
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mZOrderDownButton = new DelegateButton(":/images/minus.svg", mDelegated, mFrame, Qt::BottomLeftSection);
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connect(mZOrderDownButton, SIGNAL(clicked()), this, SLOT(increaseZLevelDown()));
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connect(mZOrderDownButton, SIGNAL(longClicked()), this, SLOT(increaseZlevelBottom()));
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mButtons << mZOrderDownButton;
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buildButtons();
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foreach(DelegateButton* button, mButtons)
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{
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if (button->getSection() != Qt::TitleBarArea)
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{
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button->hide();
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button->setFlag(QGraphicsItem::ItemIsSelectable, true);
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}
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}
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}
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UBGraphicsItemDelegate::~UBGraphicsItemDelegate()
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{
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qDeleteAll(mButtons);
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// do not release mMimeData.
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// the mMimeData is owned by QDrag since the setMimeData call as specified in the documentation
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}
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QVariant UBGraphicsItemDelegate::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value)
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{
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if (change == QGraphicsItem::ItemSelectedHasChanged) {
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bool ok;
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bool selected = value.toUInt(&ok);
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if (ok) {
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UBGraphicsScene *ubScene = castUBGraphicsScene();
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if (ubScene) {
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if (selected) {
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ubScene->setSelectedZLevel(delegated());
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} else {
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ubScene->setOwnZlevel(delegated());
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}
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}
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}
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}
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if ((change == QGraphicsItem::ItemSelectedHasChanged
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|| change == QGraphicsItem::ItemPositionHasChanged
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|| change == QGraphicsItem::ItemTransformHasChanged)
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&& mDelegated->scene())
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{
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mAntiScaleRatio = 1 / (UBApplication::boardController->systemScaleFactor() * UBApplication::boardController->currentZoom());
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positionHandles();
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}
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if (change == QGraphicsItem::ItemPositionHasChanged
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|| change == QGraphicsItem::ItemTransformHasChanged
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|| change == QGraphicsItem::ItemZValueHasChanged)
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{
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UBGraphicsScene* ubScene = qobject_cast<UBGraphicsScene*>(mDelegated->scene());
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if(ubScene)
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ubScene->setModified(true);
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}
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return value;
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}
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UBGraphicsScene *UBGraphicsItemDelegate::castUBGraphicsScene()
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{
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UBGraphicsScene *castScene = dynamic_cast<UBGraphicsScene*>(delegated()->scene());
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return castScene;
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}
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bool UBGraphicsItemDelegate::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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mDragStartPosition = event->pos();
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startUndoStep();
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if (!mDelegated->isSelected())
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{
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mDelegated->setSelected(true);
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positionHandles();
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return true;
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}
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else
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{
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return false;
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}
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}
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void UBGraphicsItemDelegate::setMimeData(QMimeData *mimeData)
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{
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mMimeData = mimeData;
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}
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bool UBGraphicsItemDelegate::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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if(NULL != mMimeData)
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{
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QDrag* mDrag = new QDrag(event->widget());
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mDrag->setMimeData(mMimeData);
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if (!mDragPixmap.isNull()) {
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mDrag->setPixmap(mDragPixmap);
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mDrag->setHotSpot(mDragPixmap.rect().center());
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}
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mDrag->exec();
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mDragPixmap = QPixmap();
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return true;
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}
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if(isLocked())
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{
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event->accept();
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return true;
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}
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else
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return false;
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}
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bool UBGraphicsItemDelegate::weelEvent(QGraphicsSceneWheelEvent *event)
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{
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Q_UNUSED(event);
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if( mDelegated->isSelected() )
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{
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// event->accept();
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return true;
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}
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else
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{
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// event->ignore();
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return false;
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}
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}
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bool UBGraphicsItemDelegate::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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Q_UNUSED(event);
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//Deselect all the rest selected items if no ctrl key modifier
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if (delegated()->scene()
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&& delegated()->scene()->selectedItems().count()
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&& event->modifiers() != Qt::ControlModifier) {
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foreach (QGraphicsItem *item, delegated()->scene()->selectedItems()) {
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if (item != delegated()) {
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item->setSelected(false);
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}
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}
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}
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commitUndoStep();
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return true;
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}
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void UBGraphicsItemDelegate::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event)
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// if (!mDelegated->isSelected()) {
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// setZOrderButtonsVisible(true);
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// }
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}
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void UBGraphicsItemDelegate::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event)
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// if (!mDelegated->isSelected()) {
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// setZOrderButtonsVisible(false);
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// }
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}
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void UBGraphicsItemDelegate::positionHandles()
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{
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if (mDelegated->isSelected()) {
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bool shownOnDisplay = mDelegated->data(UBGraphicsItemData::ItemLayerType).toInt() != UBItemLayerType::Control;
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showHide(shownOnDisplay);
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lock(isLocked());
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updateFrame();
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mFrame->show();
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updateButtons(true);
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if (mToolBarItem->isVisibleOnBoard())
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{
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updateToolBar();
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mToolBarItem->show();
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}
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} else {
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foreach(DelegateButton* button, mButtons)
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button->hide();
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mFrame->hide();
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mToolBarItem->hide();
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}
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}
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void UBGraphicsItemDelegate::setZOrderButtonsVisible(bool visible)
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{
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if (visible) {
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updateFrame();
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updateButtons();
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QPointF newUpPoint = mFrame->mapToItem(mDelegated, mZOrderUpButton->pos());
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QPointF newDownPoint = mFrame->mapToItem(mDelegated, mZOrderDownButton->pos());
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mZOrderUpButton->setParentItem(mDelegated);
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mZOrderDownButton->setParentItem(mDelegated);
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mZOrderUpButton->setPos(newUpPoint + QPointF(0,0));
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mZOrderDownButton->setPos(newDownPoint + QPointF(0,0));
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mZOrderUpButton->show();
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mZOrderDownButton->show();
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} else {
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mZOrderUpButton->hide();
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mZOrderDownButton->hide();
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}
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}
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void UBGraphicsItemDelegate::remove(bool canUndo)
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{
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// QGraphicsScene* scene = mDelegated->scene();
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UBGraphicsScene* scene = (UBGraphicsScene*)(mDelegated->scene());
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if (scene)
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{
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foreach(DelegateButton* button, mButtons)
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scene->removeItem(button);
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scene->removeItem(mFrame);
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scene->removeItem(mDelegated);
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scene->removeItem(mToolBarItem);
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if (canUndo)
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{
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UBGraphicsItemUndoCommand *uc = new UBGraphicsItemUndoCommand((UBGraphicsScene*) scene, mDelegated, 0);
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UBApplication::undoStack->push(uc);
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}
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}
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}
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bool UBGraphicsItemDelegate::isLocked()
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{
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return mDelegated->data(UBGraphicsItemData::ItemLocked).toBool();
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}
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void UBGraphicsItemDelegate::duplicate()
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{
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// TODO UB 4.x .. rewrite .. .this is absurde ... we know what we are duplicating
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UBApplication::boardController->copy();
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UBApplication::boardController->paste();
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}
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void UBGraphicsItemDelegate::increaseZLevelUp()
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{
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UBGraphicsScene *curScene = castUBGraphicsScene();
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if (curScene) {
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curScene->changeZLevelTo(delegated(), UBZLayerController::up);
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}
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}
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void UBGraphicsItemDelegate::increaseZlevelTop()
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{
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UBGraphicsScene *curScene = castUBGraphicsScene();
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if (curScene) {
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curScene->changeZLevelTo(delegated(), UBZLayerController::top);
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}
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}
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void UBGraphicsItemDelegate::increaseZLevelDown()
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{
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UBGraphicsScene *curScene = castUBGraphicsScene();
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if (curScene) {
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curScene->changeZLevelTo(delegated(), UBZLayerController::down);
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}
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}
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void UBGraphicsItemDelegate::increaseZlevelBottom()
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{
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UBGraphicsScene *curScene = castUBGraphicsScene();
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if (curScene) {
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curScene->changeZLevelTo(delegated(), UBZLayerController::bottom);
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}
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}
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void UBGraphicsItemDelegate::lock(bool locked)
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{
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if (locked)
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{
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mDelegated->setData(UBGraphicsItemData::ItemLocked, QVariant(true));
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}
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else
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{
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mDelegated->setData(UBGraphicsItemData::ItemLocked, QVariant(false));
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}
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mDelegated->update();
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mFrame->positionHandles();
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}
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void UBGraphicsItemDelegate::showHide(bool show)
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{
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if (show)
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{
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mDelegated->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Object));
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}
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else
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{
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mDelegated->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
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}
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mDelegated->update();
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emit showOnDisplayChanged(show);
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}
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void UBGraphicsItemDelegate::gotoContentSource(bool checked)
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{
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Q_UNUSED(checked)
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UBItem* item = dynamic_cast<UBItem*>(mDelegated);
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if(item && !item->sourceUrl().isEmpty())
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{
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UBApplication::applicationController->showInternet();
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UBApplication::webController->loadUrl(item->sourceUrl());
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}
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}
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void UBGraphicsItemDelegate::startUndoStep()
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{
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mPreviousPosition = mDelegated->pos();
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mPreviousTransform = mDelegated->transform();
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mPreviousZValue = mDelegated->zValue();
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UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(mDelegated);
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if (resizableItem)
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mPreviousSize = resizableItem->size();
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else
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mPreviousSize = QSizeF();
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}
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void UBGraphicsItemDelegate::commitUndoStep()
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{
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UBResizableGraphicsItem* resizableItem = dynamic_cast<UBResizableGraphicsItem*>(mDelegated);
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if (mDelegated->pos() != mPreviousPosition
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|| mDelegated->transform() != mPreviousTransform
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|| mDelegated->zValue() != mPreviousZValue
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|| (resizableItem && resizableItem->size() != mPreviousSize))
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{
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UBGraphicsItemTransformUndoCommand *uc =
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new UBGraphicsItemTransformUndoCommand(mDelegated,
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mPreviousPosition,
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mPreviousTransform,
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mPreviousZValue,
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mPreviousSize);
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UBApplication::undoStack->push(uc);
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}
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}
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void UBGraphicsItemDelegate::decorateMenu(QMenu* menu)
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{
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mLockAction = menu->addAction(tr("Locked"), this, SLOT(lock(bool)));
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QIcon lockIcon;
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lockIcon.addPixmap(QPixmap(":/images/locked.svg"), QIcon::Normal, QIcon::On);
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lockIcon.addPixmap(QPixmap(":/images/unlocked.svg"), QIcon::Normal, QIcon::Off);
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mLockAction->setIcon(lockIcon);
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mLockAction->setCheckable(true);
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mShowOnDisplayAction = mMenu->addAction(tr("Visible on Extended Screen"), this, SLOT(showHide(bool)));
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mShowOnDisplayAction->setCheckable(true);
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QIcon showIcon;
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showIcon.addPixmap(QPixmap(":/images/eyeOpened.svg"), QIcon::Normal, QIcon::On);
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showIcon.addPixmap(QPixmap(":/images/eyeClosed.svg"), QIcon::Normal, QIcon::Off);
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mShowOnDisplayAction->setIcon(showIcon);
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mGotoContentSourceAction = menu->addAction(tr("Go to Content Source"), this, SLOT(gotoContentSource(bool)));
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QIcon sourceIcon;
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sourceIcon.addPixmap(QPixmap(":/images/toolbar/internet.png"), QIcon::Normal, QIcon::On);
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mGotoContentSourceAction->setIcon(sourceIcon);
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}
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void UBGraphicsItemDelegate::updateMenuActionState()
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{
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if (mLockAction)
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mLockAction->setChecked(isLocked());
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if (mShowOnDisplayAction)
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{
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bool isControl = mDelegated->data(UBGraphicsItemData::ItemLayerType) == UBItemLayerType::Control;
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mShowOnDisplayAction->setChecked(!isControl);
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}
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if (mGotoContentSourceAction)
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{
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UBItem* item = dynamic_cast<UBItem*>(mDelegated);
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mGotoContentSourceAction->setEnabled(item && !item->sourceUrl().isEmpty());
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}
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}
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void UBGraphicsItemDelegate::showMenu()
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{
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if (!mMenu)
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{
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mMenu = new QMenu(UBApplication::boardController->controlView());
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decorateMenu(mMenu);
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}
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updateMenuActionState();
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UBBoardView* cv = UBApplication::boardController->controlView();
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QRect pinPos = cv->mapFromScene(mMenuButton->sceneBoundingRect()).boundingRect();
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|
mMenu->exec(cv->mapToGlobal(pinPos.bottomRight()));
|
|
}
|
|
|
|
void UBGraphicsItemDelegate::setFlippable(bool flippable)
|
|
{
|
|
mFlippable = flippable;
|
|
}
|
|
|
|
bool UBGraphicsItemDelegate::isFlippable()
|
|
{
|
|
return mFlippable;
|
|
}
|
|
|
|
void UBGraphicsItemDelegate::updateFrame()
|
|
{
|
|
if (mFrame && !mFrame->scene() && mDelegated->scene())
|
|
{
|
|
mDelegated->scene()->addItem(mFrame);
|
|
}
|
|
|
|
mFrame->setAntiScale(mAntiScaleRatio);
|
|
mFrame->positionHandles();
|
|
}
|
|
|
|
void UBGraphicsItemDelegate::updateButtons(bool showUpdated)
|
|
{
|
|
QTransform tr;
|
|
tr.scale(mAntiScaleRatio, mAntiScaleRatio);
|
|
|
|
mDeleteButton->setParentItem(mFrame);
|
|
mDeleteButton->setTransform(tr);
|
|
|
|
qreal topX = mFrame->rect().left() - mDeleteButton->renderer()->viewBox().width() * mAntiScaleRatio / 2;
|
|
qreal topY = mFrame->rect().top() - mDeleteButton->renderer()->viewBox().height() * mAntiScaleRatio / 2;
|
|
|
|
qreal bottomX = mFrame->rect().left() - mDeleteButton->renderer()->viewBox().width() * mAntiScaleRatio / 2;
|
|
qreal bottomY = mFrame->rect().bottom() - mDeleteButton->renderer()->viewBox().height() * mAntiScaleRatio / 2;
|
|
|
|
mDeleteButton->setPos(topX, topY);
|
|
|
|
if (!mDeleteButton->scene())
|
|
{
|
|
if (mDelegated->scene())
|
|
mDelegated->scene()->addItem(mDeleteButton);
|
|
}
|
|
|
|
if (showUpdated /*&& mFrame->isResizing()*/)
|
|
mDeleteButton->show();
|
|
|
|
int i = 1, j = 0, k = 0;
|
|
while ((i + j + k) < mButtons.size()) {
|
|
DelegateButton* button = mButtons[i + j];
|
|
|
|
if (button->getSection() == Qt::TopLeftSection) {
|
|
button->setParentItem(mFrame);
|
|
button->setPos(topX + (i++ * 1.6 * mFrameWidth * mAntiScaleRatio), topY);
|
|
button->setTransform(tr);
|
|
} else if (button->getSection() == Qt::BottomLeftSection) {
|
|
button->setParentItem(mFrame);
|
|
button->setPos(bottomX + (++j * 1.6 * mFrameWidth * mAntiScaleRatio), bottomY);
|
|
button->setTransform(tr);
|
|
} else if (button->getSection() == Qt::TitleBarArea || button->getSection() == Qt::NoSection){
|
|
++k;
|
|
}
|
|
if (!button->scene())
|
|
{
|
|
if (mDelegated->scene())
|
|
mDelegated->scene()->addItem(button);
|
|
}
|
|
if (showUpdated) {
|
|
button->show();
|
|
button->setZValue(delegated()->zValue());
|
|
}
|
|
}
|
|
}
|
|
|
|
void UBGraphicsItemDelegate::updateToolBar()
|
|
{
|
|
QTransform transformForToolbarButtons;
|
|
transformForToolbarButtons.scale(mAntiScaleRatio, 1);
|
|
|
|
QRectF toolBarRect = mToolBarItem->rect();
|
|
toolBarRect.setWidth(delegated()->boundingRect().width() - 10);
|
|
mToolBarItem->setRect(toolBarRect);
|
|
|
|
if (mToolBarItem->isShifting())
|
|
mToolBarItem->setPos(delegated()->boundingRect().bottomLeft() + QPointF(5 * mAntiScaleRatio, 0));
|
|
else mToolBarItem->setPos(delegated()->boundingRect().bottomLeft() - QPointF(-5 * mAntiScaleRatio, mToolBarItem->rect().height() * 1.1 * mAntiScaleRatio));
|
|
|
|
int offsetOnToolBar = 5 * mAntiScaleRatio;
|
|
QList<QGraphicsItem*> itemList = mToolBarItem->itemsOnToolBar();
|
|
foreach (QGraphicsItem* item, itemList)
|
|
{
|
|
item->setPos(offsetOnToolBar, 0);
|
|
offsetOnToolBar += (item->boundingRect().width() + 5) * mAntiScaleRatio;
|
|
item->setTransform(transformForToolbarButtons);
|
|
item->show();
|
|
}
|
|
|
|
mToolBarItem->setOffsetOnToolBar(offsetOnToolBar);
|
|
|
|
QTransform tr;
|
|
tr.scale(1, mAntiScaleRatio);
|
|
mToolBarItem->setTransform(tr);
|
|
}
|
|
|
|
void UBGraphicsItemDelegate::setButtonsVisible(bool visible)
|
|
{
|
|
foreach(DelegateButton* pButton, mButtons){
|
|
pButton->setVisible(visible);
|
|
}
|
|
}
|
|
|
|
UBGraphicsToolBarItem::UBGraphicsToolBarItem(QGraphicsItem * parent) :
|
|
QGraphicsRectItem(parent),
|
|
mShifting(true),
|
|
mVisible(false),
|
|
mMinWidth(200)
|
|
{
|
|
QRectF rect = this->rect();
|
|
rect.setHeight(26);
|
|
this->setRect(rect);
|
|
|
|
setBrush(QColor(UBSettings::paletteColor));
|
|
setPen(Qt::NoPen);
|
|
hide();
|
|
}
|
|
|
|
void UBGraphicsToolBarItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
|
|
{
|
|
Q_UNUSED(option);
|
|
Q_UNUSED(widget);
|
|
|
|
QPainterPath path;
|
|
path.addRoundedRect(rect(), 10, 10);
|
|
|
|
painter->fillPath(path, brush());
|
|
} |