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1742 lines
56 KiB
1742 lines
56 KiB
/*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard 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, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard 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 OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "UBBoardView.h"
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#include <QtGui>
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#include <QtXml>
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#include <QListView>
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#include "UBDrawingController.h"
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#include "frameworks/UBGeometryUtils.h"
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#include "frameworks/UBPlatformUtils.h"
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#include "core/UBSettings.h"
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#include "core/UBMimeData.h"
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#include "core/UBApplication.h"
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#include "core/UBSetting.h"
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#include "core/UBPersistenceManager.h"
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#include "core/UB.h"
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#include "network/UBHttpGet.h"
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#include "gui/UBStylusPalette.h"
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#include "gui/UBRubberBand.h"
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#include "gui/UBToolWidget.h"
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#include "gui/UBResources.h"
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#include "gui/UBMainWindow.h"
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#include "gui/UBThumbnailWidget.h"
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#include "board/UBBoardController.h"
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#include "board/UBBoardPaletteManager.h"
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#ifdef Q_OS_OSX
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#include "core/UBApplicationController.h"
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#include "desktop/UBDesktopAnnotationController.h"
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#endif
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#include "domain/UBGraphicsTextItem.h"
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#include "domain/UBGraphicsPixmapItem.h"
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#include "domain/UBGraphicsWidgetItem.h"
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#include "domain/UBGraphicsPDFItem.h"
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#include "domain/UBGraphicsPolygonItem.h"
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#include "domain/UBItem.h"
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#include "domain/UBGraphicsMediaItem.h"
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#include "domain/UBGraphicsSvgItem.h"
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#include "domain/UBGraphicsGroupContainerItem.h"
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#include "domain/UBGraphicsStrokesGroup.h"
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#include "domain/UBGraphicsItemDelegate.h"
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#include "document/UBDocumentProxy.h"
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#include "tools/UBGraphicsRuler.h"
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#include "tools/UBGraphicsCurtainItem.h"
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#include "tools/UBGraphicsCompass.h"
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#include "tools/UBGraphicsCache.h"
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#include "tools/UBGraphicsTriangle.h"
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#include "tools/UBGraphicsProtractor.h"
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#include "core/memcheck.h"
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UBBoardView::UBBoardView (UBBoardController* pController, QWidget* pParent, bool isControl, bool isDesktop)
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: QGraphicsView (pParent)
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, mController (pController)
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, mIsCreatingTextZone (false)
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, mIsCreatingSceneGrabZone (false)
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, mOkOnWidget(false)
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, suspendedMousePressEvent(NULL)
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, mLongPressInterval(1000)
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, mIsDragInProgress(false)
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, mMultipleSelectionIsEnabled(false)
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, bIsControl(isControl)
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, bIsDesktop(isDesktop)
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{
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init ();
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mFilterZIndex = false;
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mLongPressTimer.setInterval(mLongPressInterval);
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mLongPressTimer.setSingleShot(true);
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}
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UBBoardView::UBBoardView (UBBoardController* pController, int pStartLayer, int pEndLayer, QWidget* pParent, bool isControl, bool isDesktop)
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: QGraphicsView (pParent)
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, mController (pController)
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, suspendedMousePressEvent(NULL)
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, mLongPressInterval(1000)
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, mIsDragInProgress(false)
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, mMultipleSelectionIsEnabled(false)
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, bIsControl(isControl)
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, bIsDesktop(isDesktop)
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{
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init ();
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mStartLayer = pStartLayer;
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mEndLayer = pEndLayer;
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mFilterZIndex = true;
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mLongPressTimer.setInterval(mLongPressInterval);
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mLongPressTimer.setSingleShot(true);
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}
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UBBoardView::~UBBoardView ()
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{
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if (suspendedMousePressEvent){
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delete suspendedMousePressEvent;
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suspendedMousePressEvent = NULL;
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}
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}
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void UBBoardView::init ()
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{
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connect (UBSettings::settings ()->boardPenPressureSensitive, SIGNAL (changed (QVariant)),
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this, SLOT (settingChanged (QVariant)));
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connect (UBSettings::settings ()->boardMarkerPressureSensitive, SIGNAL (changed (QVariant)),
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this, SLOT (settingChanged (QVariant)));
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connect (UBSettings::settings ()->boardUseHighResTabletEvent, SIGNAL (changed (QVariant)),
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this, SLOT (settingChanged (QVariant)));
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setOptimizationFlags (QGraphicsView::IndirectPainting | QGraphicsView::DontSavePainterState); // enable UBBoardView::drawItems filter
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setViewportUpdateMode(QGraphicsView::SmartViewportUpdate);
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setWindowFlags (Qt::FramelessWindowHint);
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setFrameStyle (QFrame::NoFrame);
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setRenderHints (QPainter::Antialiasing | QPainter::SmoothPixmapTransform | QPainter::TextAntialiasing);
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setVerticalScrollBarPolicy (Qt::ScrollBarAlwaysOff);
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setHorizontalScrollBarPolicy (Qt::ScrollBarAlwaysOff);
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setAcceptDrops (true);
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mTabletStylusIsPressed = false;
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mMouseButtonIsPressed = false;
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mPendingStylusReleaseEvent = false;
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setCacheMode (QGraphicsView::CacheBackground);
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mUsingTabletEraser = false;
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mIsCreatingTextZone = false;
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mRubberBand = 0;
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mUBRubberBand = 0;
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mVirtualKeyboardActive = false;
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settingChanged (QVariant ());
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unsetCursor();
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movingItem = NULL;
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mWidgetMoved = false;
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}
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UBGraphicsScene* UBBoardView::scene ()
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{
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return qobject_cast<UBGraphicsScene*> (QGraphicsView::scene ());
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}
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void UBBoardView::keyPressEvent (QKeyEvent *event)
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{
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// send to the scene anyway
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QApplication::sendEvent (scene (), event);
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if (!event->isAccepted ())
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{
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switch (event->key ())
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{
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case Qt::Key_Up:
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case Qt::Key_PageUp:
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case Qt::Key_Left:
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{
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mController->previousScene ();
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break;
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}
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case Qt::Key_Down:
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case Qt::Key_PageDown:
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case Qt::Key_Right:
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case Qt::Key_Space:
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{
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mController->nextScene ();
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break;
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}
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case Qt::Key_Home:
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{
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mController->firstScene ();
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break;
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}
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case Qt::Key_End:
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{
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mController->lastScene ();
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break;
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}
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case Qt::Key_Insert:
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{
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mController->addScene ();
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break;
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}
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case Qt::Key_Control:
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case Qt::Key_Shift:
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{
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setMultiselection(true);
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}break;
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}
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if (event->modifiers () & Qt::ControlModifier) // keep only ctrl/cmd keys
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{
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switch (event->key ())
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{
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case Qt::Key_Plus:
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case Qt::Key_I:
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{
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mController->zoomIn ();
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event->accept ();
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break;
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}
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case Qt::Key_Minus:
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case Qt::Key_O:
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{
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mController->zoomOut ();
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event->accept ();
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break;
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}
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case Qt::Key_0:
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{
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mController->zoomRestore ();
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event->accept ();
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break;
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}
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case Qt::Key_Left:
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{
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mController->handScroll (-100, 0);
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event->accept ();
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break;
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}
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case Qt::Key_Right:
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{
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mController->handScroll (100, 0);
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event->accept ();
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break;
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}
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case Qt::Key_Up:
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{
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mController->handScroll (0, -100);
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event->accept ();
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break;
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}
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case Qt::Key_Down:
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{
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mController->handScroll (0, 100);
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event->accept ();
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break;
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}
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default:
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{
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// NOOP
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}
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}
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}
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}
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// if ctrl of shift was pressed combined with other keys - we need to disable multiple selection.
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if (event->isAccepted())
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setMultiselection(false);
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}
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void UBBoardView::keyReleaseEvent(QKeyEvent *event)
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{
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if (Qt::Key_Shift == event->key() ||Qt::Key_Control == event->key())
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setMultiselection(false);
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QGraphicsView::keyReleaseEvent(event);
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}
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bool UBBoardView::event (QEvent * e)
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{
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if (e->type () == QEvent::Gesture)
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{
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QGestureEvent *gestureEvent = dynamic_cast<QGestureEvent *> (e);
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if (gestureEvent)
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{
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QSwipeGesture* swipe = dynamic_cast<QSwipeGesture*> (gestureEvent->gesture (Qt::SwipeGesture));
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if (swipe)
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{
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if (swipe->horizontalDirection () == QSwipeGesture::Left)
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{
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mController->previousScene ();
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gestureEvent->setAccepted (swipe, true);
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}
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if (swipe->horizontalDirection () == QSwipeGesture::Right)
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{
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mController->nextScene ();
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gestureEvent->setAccepted (swipe, true);
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}
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}
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}
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}
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return QGraphicsView::event (e);
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}
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void UBBoardView::tabletEvent (QTabletEvent * event)
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{
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if (!mUseHighResTabletEvent) {
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event->setAccepted (false);
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return;
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}
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UBDrawingController *dc = UBDrawingController::drawingController ();
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QPointF tabletPos = event->pos();
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UBStylusTool::Enum currentTool = (UBStylusTool::Enum)dc->stylusTool ();
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if (event->type () == QEvent::TabletPress || event->type () == QEvent::TabletEnterProximity) {
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if (event->pointerType () == QTabletEvent::Eraser) {
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dc->setStylusTool (UBStylusTool::Eraser);
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mUsingTabletEraser = true;
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}
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else {
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if (mUsingTabletEraser && currentTool == UBStylusTool::Eraser)
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dc->setStylusTool (dc->latestDrawingTool ());
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mUsingTabletEraser = false;
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}
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}
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QPointF scenePos = viewportTransform ().inverted ().map (tabletPos);
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qreal pressure = 1.0;
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if (((currentTool == UBStylusTool::Pen || currentTool == UBStylusTool::Line) && mPenPressureSensitive) ||
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(currentTool == UBStylusTool::Marker && mMarkerPressureSensitive))
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pressure = event->pressure ();
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else{
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//Explanation: rerouting to mouse event
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event->setAccepted (false);
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return;
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}
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bool acceptEvent = true;
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#ifdef Q_OS_OSX
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//Work around #1388. After selecting annotation tool in desktop mode, annotation view appears on top when
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//using Mac OS X. In this case tablet event should send mouse event so as to let user interact with
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//stylus palette.
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Q_ASSERT(UBApplication::applicationController->uninotesController());
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if (UBApplication::applicationController->uninotesController()->drawingView() == this) {
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if (UBApplication::applicationController->uninotesController()->desktopPalettePath().contains(event->pos())) {
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acceptEvent = false;
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}
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}
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#endif
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switch (event->type ()) {
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case QEvent::TabletPress: {
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mTabletStylusIsPressed = true;
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scene()->inputDevicePress (scenePos, pressure);
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break;
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}
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case QEvent::TabletMove: {
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if (mTabletStylusIsPressed)
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scene ()->inputDeviceMove (scenePos, pressure);
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acceptEvent = false; // rerouted to mouse move
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break;
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}
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case QEvent::TabletRelease: {
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UBStylusTool::Enum currentTool = (UBStylusTool::Enum)dc->stylusTool ();
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scene ()->setToolCursor (currentTool);
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setToolCursor (currentTool);
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scene ()->inputDeviceRelease ();
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mPendingStylusReleaseEvent = false;
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mTabletStylusIsPressed = false;
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mMouseButtonIsPressed = false;
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break;
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}
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default: {
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//NOOP - avoid compiler warning
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}
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}
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// ignore mouse press and mouse move tablet event so that it is rerouted to mouse events,
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// documented in QTabletEvent Class Reference:
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/* The event handler QWidget::tabletEvent() receives all three types of tablet events.
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Qt will first send a tabletEvent then, if it is not accepted, it will send a mouse event. */
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//
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// This is a workaround to the fact that tablet event are not delivered to child widget (like palettes)
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//
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event->setAccepted (acceptEvent);
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}
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bool UBBoardView::itemIsLocked(QGraphicsItem *item)
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{
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if (!item)
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return false;
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return item->data(UBGraphicsItemData::ItemLocked).toBool();
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}
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bool UBBoardView::itemHaveParentWithType(QGraphicsItem *item, int type)
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{
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if (!item)
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return false;
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if (type == item->type())
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return true;
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return itemHaveParentWithType(item->parentItem(), type);
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}
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bool UBBoardView::isUBItem(QGraphicsItem *item)
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{
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if ((UBGraphicsItemType::UserTypesCount > item->type()) && (item->type() > QGraphicsItem::UserType))
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return true;
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return false;
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}
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bool UBBoardView::isCppTool(QGraphicsItem *item)
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{
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return (item->type() == UBGraphicsItemType::CompassItemType
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|| item->type() == UBGraphicsItemType::RulerItemType
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|| item->type() == UBGraphicsItemType::ProtractorItemType
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|| item->type() == UBGraphicsItemType::TriangleItemType
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|| item->type() == UBGraphicsItemType::CurtainItemType);
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}
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void UBBoardView::handleItemsSelection(QGraphicsItem *item)
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{
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// we need to select new pressed itemOnBoard and deselect all other items.
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// the trouble is in:
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// some items can has parents (groupped items or strokes, or strokes in groups).
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// some items is already selected and we don't need to reselect them
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//
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// item selection managed by QGraphicsView::mousePressEvent(). It should be called later.
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if (item)
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{
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// item has group as first parent - it is any item or UBGraphicsStrokesGroup.
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if(item->parentItem() && UBGraphicsGroupContainerItem::Type == movingItem->parentItem()->type())
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return;
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// delegate buttons shouldn't selected
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if (DelegateButton::Type == item->type())
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return;
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// click on svg items (images on Frame) shouldn't change selection.
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if (QGraphicsSvgItem::Type == item->type())
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return;
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// Delegate frame shouldn't selected
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if (UBGraphicsDelegateFrame::Type == item->type())
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return;
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// if we need to uwe multiple selection - we shouldn't deselect other items.
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if (!isMultipleSelectionEnabled())
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{
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// here we need to determine what item is pressed. We should work
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// only with UB items.
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if ((UBGraphicsItemType::UserTypesCount > item->type()) && (item->type() > QGraphicsItem::UserType))
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{
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scene()->deselectAllItemsExcept(item);
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}
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}
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}
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}
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bool UBBoardView::itemShouldReceiveMousePressEvent(QGraphicsItem *item)
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{
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/*
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Some items should receive mouse press events averytime,
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some items should receive that events when they are selected,
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some items shouldn't receive mouse press events at mouse press, but should receive them at mouse release (suspended mouse press event)
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Here we determines cases when items should to get mouse press event at pressing on mouse.
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*/
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if (!item)
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return true;
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// for now background objects is not interactable, but it can be deprecated for some items in the future.
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if (item == scene()->backgroundObject())
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return false;
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// some behavior depends on current tool.
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UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
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|
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switch(item->type())
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{
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case UBGraphicsProtractor::Type:
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case UBGraphicsRuler::Type:
|
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case UBGraphicsTriangle::Type:
|
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case UBGraphicsCompass::Type:
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case UBGraphicsCache::Type:
|
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return true;
|
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case UBGraphicsDelegateFrame::Type:
|
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if (currentTool == UBStylusTool::Play)
|
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return false;
|
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return true;
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case UBGraphicsPixmapItem::Type:
|
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case UBGraphicsSvgItem::Type:
|
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if (currentTool == UBStylusTool::Play)
|
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return true;
|
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if (item->isSelected())
|
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return true;
|
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else
|
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return false;
|
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case DelegateButton::Type:
|
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return true;
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|
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case UBGraphicsMediaItem::Type:
|
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return false;
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|
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case UBGraphicsTextItem::Type:
|
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if (currentTool == UBStylusTool::Play)
|
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return true;
|
|
if ((currentTool == UBStylusTool::Selector) && item->isSelected())
|
|
return true;
|
|
if ((currentTool == UBStylusTool::Selector) && item->parentItem() && item->parentItem()->isSelected())
|
|
return true;
|
|
if (currentTool != UBStylusTool::Selector)
|
|
return false;
|
|
break;
|
|
|
|
case UBGraphicsItemType::StrokeItemType:
|
|
if (currentTool == UBStylusTool::Play)
|
|
return true;
|
|
break;
|
|
// Groups shouldn't reacts on any presses and moves for Play tool.
|
|
case UBGraphicsGroupContainerItem::Type:
|
|
if(currentTool == UBStylusTool::Play)
|
|
{
|
|
movingItem = NULL;
|
|
return true;
|
|
}
|
|
return false;
|
|
break;
|
|
case QGraphicsWebView::Type:
|
|
return true;
|
|
case QGraphicsProxyWidget::Type:
|
|
return false;
|
|
|
|
case UBGraphicsWidgetItem::Type:
|
|
if (currentTool == UBStylusTool::Selector && item->parentItem() && item->parentItem()->isSelected())
|
|
return true;
|
|
if (currentTool == UBStylusTool::Selector && item->isSelected())
|
|
return true;
|
|
if (currentTool == UBStylusTool::Play)
|
|
return true;
|
|
return false;
|
|
break;
|
|
}
|
|
|
|
return !isUBItem(item); // standard behavior of QGraphicsScene for not UB items. UB items should be managed upper.
|
|
}
|
|
|
|
bool UBBoardView::itemShouldReceiveSuspendedMousePressEvent(QGraphicsItem *item)
|
|
{
|
|
if (!item)
|
|
return false;
|
|
|
|
if (item == scene()->backgroundObject())
|
|
return false;
|
|
|
|
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
|
|
|
|
switch(item->type())
|
|
{
|
|
case QGraphicsWebView::Type:
|
|
return false;
|
|
case UBGraphicsPixmapItem::Type:
|
|
case UBGraphicsSvgItem::Type:
|
|
case UBGraphicsTextItem::Type:
|
|
case UBGraphicsWidgetItem::Type:
|
|
if (currentTool == UBStylusTool::Selector && !item->isSelected() && item->parentItem())
|
|
return true;
|
|
if (currentTool == UBStylusTool::Selector && item->isSelected())
|
|
return true;
|
|
break;
|
|
|
|
case DelegateButton::Type:
|
|
case UBGraphicsMediaItem::Type:
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
bool UBBoardView::itemShouldBeMoved(QGraphicsItem *item)
|
|
{
|
|
if (!item)
|
|
return false;
|
|
|
|
if (item == scene()->backgroundObject())
|
|
return false;
|
|
|
|
if (!(mMouseButtonIsPressed || mTabletStylusIsPressed))
|
|
return false;
|
|
|
|
if (movingItem->data(UBGraphicsItemData::ItemLocked).toBool())
|
|
return false;
|
|
|
|
if (movingItem->parentItem() && UBGraphicsGroupContainerItem::Type == movingItem->parentItem()->type() && !movingItem->isSelected() && movingItem->parentItem()->isSelected())
|
|
return false;
|
|
|
|
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
|
|
|
|
switch(item->type())
|
|
{
|
|
case UBGraphicsCurtainItem::Type:
|
|
case UBGraphicsGroupContainerItem::Type:
|
|
return true;
|
|
|
|
case UBGraphicsWidgetItem::Type:
|
|
if(currentTool == UBStylusTool::Selector && item->isSelected())
|
|
return false;
|
|
if(currentTool == UBStylusTool::Play)
|
|
return false;
|
|
|
|
case UBGraphicsSvgItem::Type:
|
|
case UBGraphicsPixmapItem::Type:
|
|
if (currentTool == UBStylusTool::Play || !item->isSelected())
|
|
return true;
|
|
if (item->isSelected())
|
|
return false;
|
|
case UBGraphicsMediaItem::Type:
|
|
case UBGraphicsStrokesGroup::Type:
|
|
return true;
|
|
case UBGraphicsTextItem::Type:
|
|
return !item->isSelected();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
QGraphicsItem* UBBoardView::determineItemToPress(QGraphicsItem *item)
|
|
{
|
|
if(item)
|
|
{
|
|
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
|
|
|
|
// if item is on group and group is not selected - group should take press.
|
|
if (UBStylusTool::Selector == currentTool
|
|
&& item->parentItem()
|
|
&& UBGraphicsGroupContainerItem::Type == item->parentItem()->type()
|
|
&& !item->parentItem()->isSelected())
|
|
return item->parentItem();
|
|
|
|
// items like polygons placed in two groups nested, so we need to recursive call.
|
|
if(item->parentItem() && UBGraphicsStrokesGroup::Type == item->parentItem()->type())
|
|
return determineItemToPress(item->parentItem());
|
|
}
|
|
|
|
return item;
|
|
}
|
|
|
|
// determine item to interacts: item self or it's container.
|
|
QGraphicsItem* UBBoardView::determineItemToMove(QGraphicsItem *item)
|
|
{
|
|
if(item)
|
|
{
|
|
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
|
|
|
|
//W3C widgets should take mouse move events from play tool.
|
|
if ((UBStylusTool::Play == currentTool) && (UBGraphicsWidgetItem::Type == item->type()))
|
|
return item;
|
|
|
|
// if item is in group
|
|
if(item->parentItem() && UBGraphicsGroupContainerItem::Type == item->parentItem()->type())
|
|
{
|
|
// play tool should move groups by any element
|
|
if (UBStylusTool::Play == currentTool && item->parentItem()->isSelected())
|
|
return item->parentItem();
|
|
|
|
// groups should should be moved instead of strokes groups
|
|
if (UBGraphicsStrokesGroup::Type == item->type())
|
|
return item->parentItem();
|
|
|
|
// selected groups should be moved by moving any element
|
|
if (item->parentItem()->isSelected())
|
|
return item;
|
|
|
|
if (item->isSelected())
|
|
return NULL;
|
|
|
|
return item->parentItem();
|
|
}
|
|
|
|
// items like polygons placed in two groups nested, so we need to recursive call.
|
|
if(item->parentItem() && UBGraphicsStrokesGroup::Type == item->parentItem()->type())
|
|
return determineItemToMove(item->parentItem());
|
|
}
|
|
|
|
return item;
|
|
}
|
|
|
|
void UBBoardView::handleItemMousePress(QMouseEvent *event)
|
|
{
|
|
mLastPressedMousePos = mapToScene(event->pos());
|
|
|
|
// Determining item who will take mouse press event
|
|
//all other items will be deselected and if all item will be deselected, then
|
|
// wrong item can catch mouse press. because selected items placed on the top
|
|
movingItem = determineItemToPress(movingItem);
|
|
handleItemsSelection(movingItem);
|
|
|
|
if (isMultipleSelectionEnabled())
|
|
return;
|
|
|
|
if (itemShouldReceiveMousePressEvent(movingItem)){
|
|
QGraphicsView::mousePressEvent (event);
|
|
|
|
QGraphicsItem* item = determineItemToPress(scene()->itemAt(this->mapToScene(event->localPos().toPoint()), transform()));
|
|
//use QGraphicsView::transform() to use not deprecated QGraphicsScene::itemAt() method
|
|
|
|
if (item && (item->type() == QGraphicsProxyWidget::Type) && item->parentObject() && item->parentObject()->type() != QGraphicsProxyWidget::Type)
|
|
{
|
|
//Clean up children
|
|
QList<QGraphicsItem*> children = item->childItems();
|
|
|
|
for( QList<QGraphicsItem*>::iterator it = children.begin(); it != children.end(); ++it )
|
|
if ((*it)->pos().x() < 0 || (*it)->pos().y() < 0)
|
|
(*it)->setPos(0,item->boundingRect().size().height());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (movingItem)
|
|
{
|
|
UBGraphicsItem *graphicsItem = dynamic_cast<UBGraphicsItem*>(movingItem);
|
|
if (graphicsItem)
|
|
graphicsItem->Delegate()->startUndoStep();
|
|
|
|
movingItem->clearFocus();
|
|
}
|
|
|
|
if (suspendedMousePressEvent)
|
|
{
|
|
delete suspendedMousePressEvent;
|
|
suspendedMousePressEvent = NULL;
|
|
}
|
|
|
|
if (itemShouldReceiveSuspendedMousePressEvent(movingItem))
|
|
{
|
|
suspendedMousePressEvent = new QMouseEvent(event->type(), event->pos(), event->button(), event->buttons(), event->modifiers());
|
|
}
|
|
}
|
|
}
|
|
|
|
void UBBoardView::handleItemMouseMove(QMouseEvent *event)
|
|
{
|
|
// determine item to move (maybee we need to move group of item or his parent.
|
|
movingItem = determineItemToMove(movingItem);
|
|
|
|
// items should be moved not every mouse move.
|
|
if (movingItem && itemShouldBeMoved(movingItem) && (mMouseButtonIsPressed || mTabletStylusIsPressed))
|
|
{
|
|
QPointF scenePos = mapToScene(event->pos());
|
|
QPointF newPos = movingItem->pos() + scenePos - mLastPressedMousePos;
|
|
movingItem->setPos(newPos);
|
|
mLastPressedMousePos = scenePos;
|
|
mWidgetMoved = true;
|
|
event->accept();
|
|
}
|
|
else
|
|
{
|
|
QPointF posBeforeMove;
|
|
QPointF posAfterMove;
|
|
|
|
if (movingItem)
|
|
posBeforeMove = movingItem->pos();
|
|
|
|
QGraphicsView::mouseMoveEvent (event);
|
|
|
|
if (movingItem)
|
|
posAfterMove = movingItem->pos();
|
|
|
|
mWidgetMoved = ((posAfterMove-posBeforeMove).manhattanLength() != 0);
|
|
|
|
// a cludge for terminate moving of w3c widgets.
|
|
// in some cases w3c widgets catches mouse move and doesn't sends that events to web page,
|
|
// at simple - in google map widget - mouse move events doesn't comes to web page from rectangle of wearch bar on bottom right corner of widget.
|
|
if (movingItem && mWidgetMoved && UBGraphicsW3CWidgetItem::Type == movingItem->type())
|
|
movingItem->setPos(posBeforeMove);
|
|
}
|
|
}
|
|
|
|
void UBBoardView::rubberItems()
|
|
{
|
|
if (mUBRubberBand)
|
|
mRubberedItems = items(mUBRubberBand->geometry());
|
|
|
|
foreach(QGraphicsItem *item, mRubberedItems)
|
|
{
|
|
if (item->parentItem() && UBGraphicsGroupContainerItem::Type == item->parentItem()->type())
|
|
mRubberedItems.removeOne(item);
|
|
}
|
|
}
|
|
|
|
void UBBoardView::moveRubberedItems(QPointF movingVector)
|
|
{
|
|
QRectF invalidateRect = scene()->itemsBoundingRect();
|
|
|
|
foreach (QGraphicsItem *item, mRubberedItems)
|
|
{
|
|
|
|
if (item->type() == UBGraphicsW3CWidgetItem::Type
|
|
|| item->type() == UBGraphicsPixmapItem::Type
|
|
|| item->type() == UBGraphicsMediaItem::Type
|
|
|| item->type() == UBGraphicsSvgItem::Type
|
|
|| item->type() == UBGraphicsTextItem::Type
|
|
|| item->type() == UBGraphicsStrokesGroup::Type
|
|
|| item->type() == UBGraphicsGroupContainerItem::Type)
|
|
{
|
|
item->setPos(item->pos()+movingVector);
|
|
}
|
|
}
|
|
|
|
scene()->invalidate(invalidateRect);
|
|
}
|
|
|
|
void UBBoardView::setMultiselection(bool enable)
|
|
{
|
|
mMultipleSelectionIsEnabled = enable;
|
|
}
|
|
|
|
// work around for handling tablet events on MAC OS with Qt 4.8.0 and above
|
|
#if defined(Q_OS_OSX)
|
|
bool UBBoardView::directTabletEvent(QEvent *event)
|
|
{
|
|
QTabletEvent *tEvent = static_cast<QTabletEvent *>(event);
|
|
tEvent = new QTabletEvent(tEvent->type()
|
|
, mapFromGlobal(tEvent->pos())
|
|
, tEvent->globalPos()
|
|
, tEvent->device()
|
|
, tEvent->pointerType()
|
|
, tEvent->pressure()
|
|
, tEvent->xTilt()
|
|
, tEvent->yTilt()
|
|
, tEvent->tangentialPressure()
|
|
, tEvent->rotation()
|
|
, tEvent->z()
|
|
, tEvent->modifiers()
|
|
, tEvent->uniqueId());
|
|
|
|
if (geometry().contains(tEvent->pos()))
|
|
{
|
|
if (NULL == widgetForTabletEvent(this->parentWidget(), tEvent->pos()))
|
|
{
|
|
tabletEvent(tEvent);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
QWidget *UBBoardView::widgetForTabletEvent(QWidget *w, const QPoint &pos)
|
|
{
|
|
Q_ASSERT(w);
|
|
|
|
// it should work that, but it doesn't. So we check if it is control view.
|
|
//UBBoardView *board = qobject_cast<UBBoardView *>(w);
|
|
UBBoardView *board = UBApplication::boardController->controlView();
|
|
|
|
QWidget *childAtPos = NULL;
|
|
|
|
QList<QObject *> childs = w->children();
|
|
foreach(QObject *child, childs)
|
|
{
|
|
QWidget *childWidget = qobject_cast<QWidget *>(child);
|
|
if (childWidget)
|
|
{
|
|
if (childWidget->isVisible() && childWidget->geometry().contains(pos))
|
|
{
|
|
QWidget *lastChild = widgetForTabletEvent(childWidget, pos);
|
|
|
|
if (board && board->viewport() == lastChild)
|
|
continue;
|
|
|
|
if (NULL != lastChild)
|
|
childAtPos = lastChild;
|
|
else
|
|
childAtPos = childWidget;
|
|
|
|
break;
|
|
}
|
|
else
|
|
childAtPos = NULL;
|
|
}
|
|
}
|
|
return childAtPos;
|
|
}
|
|
#endif
|
|
|
|
void UBBoardView::longPressEvent()
|
|
{
|
|
UBDrawingController *drawingController = UBDrawingController::drawingController();
|
|
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController ()->stylusTool ();
|
|
|
|
disconnect(&mLongPressTimer, SIGNAL(timeout()), this, SLOT(longPressEvent()));
|
|
|
|
if (UBStylusTool::Selector == currentTool)
|
|
{
|
|
drawingController->setStylusTool(UBStylusTool::Play);
|
|
}
|
|
else
|
|
if (currentTool == UBStylusTool::Play)
|
|
{
|
|
drawingController->setStylusTool(UBStylusTool::Selector);
|
|
}
|
|
else
|
|
if (UBStylusTool::Eraser == currentTool)
|
|
{
|
|
UBApplication::boardController->paletteManager()->toggleErasePalette(true);
|
|
}
|
|
|
|
}
|
|
|
|
void UBBoardView::mousePressEvent (QMouseEvent *event)
|
|
{
|
|
if (!bIsControl && !bIsDesktop) {
|
|
event->ignore();
|
|
return;
|
|
}
|
|
|
|
mIsDragInProgress = false;
|
|
|
|
if (isAbsurdPoint (event->pos ())) {
|
|
event->accept ();
|
|
return;
|
|
}
|
|
|
|
mMouseDownPos = event->pos ();
|
|
movingItem = scene()->itemAt(this->mapToScene(event->localPos().toPoint()), QTransform());
|
|
|
|
if (event->button () == Qt::LeftButton && isInteractive())
|
|
{
|
|
int currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController ()->stylusTool ();
|
|
if (!mTabletStylusIsPressed)
|
|
mMouseButtonIsPressed = true;
|
|
|
|
switch (currentTool) {
|
|
case UBStylusTool::ZoomIn :
|
|
mController->zoomIn (mapToScene (event->pos ()));
|
|
event->accept();
|
|
break;
|
|
|
|
case UBStylusTool::ZoomOut :
|
|
mController->zoomOut (mapToScene (event->pos ()));
|
|
event->accept();
|
|
break;
|
|
|
|
case UBStylusTool::Hand :
|
|
viewport()->setCursor(QCursor (Qt::ClosedHandCursor));
|
|
mPreviousPoint = event->localPos();
|
|
event->accept();
|
|
break;
|
|
|
|
case UBStylusTool::Selector :
|
|
case UBStylusTool::Play :
|
|
if (bIsDesktop) {
|
|
event->ignore();
|
|
return;
|
|
}
|
|
|
|
if (scene()->backgroundObject() == movingItem)
|
|
movingItem = NULL;
|
|
|
|
connect(&mLongPressTimer, SIGNAL(timeout()), this, SLOT(longPressEvent()));
|
|
if (!movingItem && !mController->cacheIsVisible())
|
|
mLongPressTimer.start();
|
|
|
|
handleItemMousePress(event);
|
|
event->accept();
|
|
break;
|
|
|
|
case UBStylusTool::Text : {
|
|
int frameWidth = UBSettings::settings ()->objectFrameWidth;
|
|
QRectF fuzzyRect (0, 0, frameWidth * 4, frameWidth * 4);
|
|
fuzzyRect.moveCenter (mapToScene (mMouseDownPos));
|
|
|
|
UBGraphicsTextItem* foundTextItem = 0;
|
|
QListIterator<QGraphicsItem *> it (scene ()->items (fuzzyRect));
|
|
|
|
while (it.hasNext () && !foundTextItem)
|
|
foundTextItem = qgraphicsitem_cast<UBGraphicsTextItem*>(it.next ());
|
|
|
|
if (foundTextItem)
|
|
{
|
|
mIsCreatingTextZone = false;
|
|
QGraphicsView::mousePressEvent (event);
|
|
}
|
|
else
|
|
{
|
|
scene()->deselectAllItems();
|
|
|
|
if (!mRubberBand)
|
|
mRubberBand = new UBRubberBand (QRubberBand::Rectangle, this);
|
|
mRubberBand->setGeometry (QRect (mMouseDownPos, QSize ()));
|
|
mRubberBand->show();
|
|
mIsCreatingTextZone = true;
|
|
|
|
event->accept ();
|
|
}
|
|
} break;
|
|
|
|
case UBStylusTool::Capture :
|
|
scene ()->deselectAllItems ();
|
|
|
|
if (!mRubberBand)
|
|
mRubberBand = new UBRubberBand (QRubberBand::Rectangle, this);
|
|
|
|
mRubberBand->setGeometry (QRect (mMouseDownPos, QSize ()));
|
|
mRubberBand->show ();
|
|
mIsCreatingSceneGrabZone = true;
|
|
|
|
event->accept ();
|
|
break;
|
|
|
|
default:
|
|
if(UBDrawingController::drawingController()->mActiveRuler==NULL) {
|
|
viewport()->setCursor (QCursor (Qt::BlankCursor));
|
|
}
|
|
if (scene () && !mTabletStylusIsPressed) {
|
|
if (currentTool == UBStylusTool::Eraser) {
|
|
connect(&mLongPressTimer, SIGNAL(timeout()), this, SLOT(longPressEvent()));
|
|
mLongPressTimer.start();
|
|
}
|
|
scene()->inputDevicePress(mapToScene(UBGeometryUtils::pointConstrainedInRect(event->pos(), rect())));
|
|
}
|
|
event->accept ();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void UBBoardView::mouseMoveEvent (QMouseEvent *event)
|
|
{
|
|
// static QTime lastCallTime;
|
|
// if (!lastCallTime.isNull()) {
|
|
// qDebug() << "time interval is " << lastCallTime.msecsTo(QTime::currentTime());
|
|
// }
|
|
|
|
// QTime mouseMoveTime = QTime::currentTime();
|
|
if(!mIsDragInProgress && ((mapToScene(event->pos()) - mLastPressedMousePos).manhattanLength() < QApplication::startDragDistance())) {
|
|
return;
|
|
}
|
|
|
|
mIsDragInProgress = true;
|
|
mWidgetMoved = true;
|
|
mLongPressTimer.stop();
|
|
|
|
if (isAbsurdPoint (event->pos ())) {
|
|
event->accept ();
|
|
return;
|
|
}
|
|
|
|
if ((UBDrawingController::drawingController()->isDrawingTool()) && !mMouseButtonIsPressed)
|
|
QGraphicsView::mouseMoveEvent(event);
|
|
|
|
int currentTool = static_cast<int>(UBDrawingController::drawingController()->stylusTool());
|
|
switch (currentTool) {
|
|
|
|
case UBStylusTool::Hand : {
|
|
if (!mMouseButtonIsPressed && !mTabletStylusIsPressed) {
|
|
break;
|
|
}
|
|
QPointF eventPosition = event->localPos();
|
|
qreal dx = eventPosition.x () - mPreviousPoint.x ();
|
|
qreal dy = eventPosition.y () - mPreviousPoint.y ();
|
|
mController->handScroll (dx, dy);
|
|
mPreviousPoint = eventPosition;
|
|
event->accept ();
|
|
} break;
|
|
|
|
case UBStylusTool::Selector :
|
|
case UBStylusTool::Play : {
|
|
if (bIsDesktop) {
|
|
event->ignore();
|
|
return;
|
|
}
|
|
|
|
bool rubberMove = (currentTool != (UBStylusTool::Play))
|
|
&& (mMouseButtonIsPressed || mTabletStylusIsPressed)
|
|
&& !movingItem;
|
|
|
|
if (rubberMove) {
|
|
QRect bandRect(mMouseDownPos, event->pos());
|
|
|
|
bandRect = bandRect.normalized();
|
|
|
|
if (!mUBRubberBand) {
|
|
mUBRubberBand = new UBRubberBand(QRubberBand::Rectangle, this);
|
|
}
|
|
mUBRubberBand->setGeometry(bandRect);
|
|
mUBRubberBand->show();
|
|
|
|
// QTime startTime = QTime::currentTime();
|
|
// QTime testTime = QTime::currentTime();
|
|
QList<QGraphicsItem *> rubberItems = items(bandRect);
|
|
// qDebug() << "==================";
|
|
// qDebug() << "| ====rubber items" << testTime.msecsTo(QTime::currentTime());
|
|
// testTime = QTime::currentTime();
|
|
foreach (QGraphicsItem *item, mJustSelectedItems) {
|
|
if (!rubberItems.contains(item)) {
|
|
item->setSelected(false);
|
|
mJustSelectedItems.remove(item);
|
|
}
|
|
}
|
|
// qDebug() << "| ===foreach length" << testTime.msecsTo(QTime::currentTime());
|
|
// testTime = QTime::currentTime();
|
|
|
|
int counter = 0;
|
|
if (currentTool == UBStylusTool::Selector) {
|
|
foreach (QGraphicsItem *item, items(bandRect)) {
|
|
|
|
if(item->type() == UBGraphicsItemType::PolygonItemType && item->parentItem())
|
|
item = item->parentItem();
|
|
|
|
if (item->type() == UBGraphicsW3CWidgetItem::Type
|
|
|| item->type() == UBGraphicsPixmapItem::Type
|
|
|| item->type() == UBGraphicsMediaItem::Type
|
|
|| item->type() == UBGraphicsSvgItem::Type
|
|
|| item->type() == UBGraphicsTextItem::Type
|
|
|| item->type() == UBGraphicsStrokesGroup::Type
|
|
|| item->type() == UBGraphicsGroupContainerItem::Type) {
|
|
|
|
|
|
if (!mJustSelectedItems.contains(item)) {
|
|
counter++;
|
|
item->setSelected(true);
|
|
mJustSelectedItems.insert(item);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// qDebug() << "| ==selected items count" << counter << endl
|
|
// << "| ==selection time" << testTime.msecsTo(QTime::currentTime()) << endl
|
|
// << "| =elapsed time " << startTime.msecsTo(QTime::currentTime()) << endl
|
|
// << "==================";
|
|
// QCoreApplication::removePostedEvents(scene(), 0);
|
|
}
|
|
handleItemMouseMove(event);
|
|
} break;
|
|
|
|
case UBStylusTool::Text :
|
|
case UBStylusTool::Capture : {
|
|
if (mRubberBand && (mIsCreatingTextZone || mIsCreatingSceneGrabZone)) {
|
|
mRubberBand->setGeometry(QRect(mMouseDownPos, event->pos()).normalized());
|
|
event->accept();
|
|
}
|
|
else
|
|
QGraphicsView::mouseMoveEvent (event);
|
|
|
|
} break;
|
|
|
|
default:
|
|
if (!mTabletStylusIsPressed && scene()) {
|
|
scene()->inputDeviceMove(mapToScene(UBGeometryUtils::pointConstrainedInRect(event->pos(), rect())) , mMouseButtonIsPressed);
|
|
}
|
|
event->accept ();
|
|
}
|
|
|
|
// qDebug() << "mouse move time" << mouseMoveTime.msecsTo(QTime::currentTime());
|
|
// lastCallTime = QTime::currentTime();
|
|
|
|
}
|
|
|
|
void UBBoardView::mouseReleaseEvent (QMouseEvent *event)
|
|
{
|
|
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController ()->stylusTool ();
|
|
|
|
setToolCursor (currentTool);
|
|
// first/ propagate device release to the scene
|
|
if (scene())
|
|
scene()->inputDeviceRelease();
|
|
|
|
if (currentTool == UBStylusTool::Selector)
|
|
{
|
|
if (bIsDesktop) {
|
|
event->ignore();
|
|
return;
|
|
}
|
|
|
|
UBGraphicsItem *graphicsItem = dynamic_cast<UBGraphicsItem*>(movingItem);
|
|
if (graphicsItem)
|
|
graphicsItem->Delegate()->commitUndoStep();
|
|
|
|
bool bReleaseIsNeed = true;
|
|
if (movingItem != determineItemToPress(scene()->itemAt(this->mapToScene(event->localPos().toPoint()), QTransform())))
|
|
{
|
|
movingItem = NULL;
|
|
bReleaseIsNeed = false;
|
|
}
|
|
if (mWidgetMoved)
|
|
{
|
|
mWidgetMoved = false;
|
|
movingItem = NULL;
|
|
}
|
|
else
|
|
if (movingItem && (!isCppTool(movingItem) || UBGraphicsCurtainItem::Type == movingItem->type()))
|
|
{
|
|
if (suspendedMousePressEvent)
|
|
{
|
|
QGraphicsView::mousePressEvent(suspendedMousePressEvent); // suspendedMousePressEvent is deleted by old Qt event loop
|
|
movingItem = NULL;
|
|
delete suspendedMousePressEvent;
|
|
suspendedMousePressEvent = NULL;
|
|
bReleaseIsNeed = true;
|
|
}
|
|
else
|
|
{
|
|
if (isUBItem(movingItem) &&
|
|
DelegateButton::Type != movingItem->type() &&
|
|
UBGraphicsDelegateFrame::Type != movingItem->type() &&
|
|
UBGraphicsCache::Type != movingItem->type() &&
|
|
QGraphicsWebView::Type != movingItem->type() && // for W3C widgets as Tools.
|
|
!(!isMultipleSelectionEnabled() && movingItem->parentItem() && UBGraphicsWidgetItem::Type == movingItem->type() && UBGraphicsGroupContainerItem::Type == movingItem->parentItem()->type()))
|
|
{
|
|
bReleaseIsNeed = false;
|
|
if (movingItem->isSelected() && isMultipleSelectionEnabled())
|
|
movingItem->setSelected(false);
|
|
else
|
|
if (movingItem->parentItem() && movingItem->parentItem()->isSelected() && isMultipleSelectionEnabled())
|
|
movingItem->parentItem()->setSelected(false);
|
|
else
|
|
{
|
|
if (movingItem->isSelected())
|
|
bReleaseIsNeed = true;
|
|
|
|
UBGraphicsTextItem* textItem = dynamic_cast<UBGraphicsTextItem*>(movingItem);
|
|
UBGraphicsMediaItem* movieItem = dynamic_cast<UBGraphicsMediaItem*>(movingItem);
|
|
if(textItem)
|
|
textItem->setSelected(true);
|
|
else if(movieItem)
|
|
movieItem->setSelected(true);
|
|
else
|
|
movingItem->setSelected(true);
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
else
|
|
bReleaseIsNeed = true;
|
|
|
|
if (bReleaseIsNeed)
|
|
{
|
|
QGraphicsView::mouseReleaseEvent (event);
|
|
}
|
|
}
|
|
else if (currentTool == UBStylusTool::Text)
|
|
{
|
|
UBGraphicsItem *graphicsItem = dynamic_cast<UBGraphicsItem*>(movingItem);
|
|
if (graphicsItem)
|
|
graphicsItem->Delegate()->commitUndoStep();
|
|
|
|
bool bReleaseIsNeed = true;
|
|
if (movingItem != determineItemToPress(scene()->itemAt(this->mapToScene(event->localPos().toPoint()), QTransform())))
|
|
{
|
|
movingItem = NULL;
|
|
bReleaseIsNeed = false;
|
|
}
|
|
|
|
if (mWidgetMoved)
|
|
{
|
|
mWidgetMoved = false;
|
|
movingItem = NULL;
|
|
if (scene () && mRubberBand && mIsCreatingTextZone) {
|
|
QRect rubberRect = mRubberBand->geometry ();
|
|
|
|
UBGraphicsTextItem* textItem = scene()->addTextHtml ("", mapToScene (rubberRect.topLeft ()));
|
|
event->accept ();
|
|
|
|
UBDrawingController::drawingController ()->setStylusTool (UBStylusTool::Selector);
|
|
|
|
textItem->setTextInteractionFlags(Qt::TextEditorInteraction);
|
|
textItem->setSelected (true);
|
|
textItem->setFocus();
|
|
}
|
|
}
|
|
else if (movingItem && (!isCppTool(movingItem) || UBGraphicsCurtainItem::Type == movingItem->type()))
|
|
{
|
|
if (suspendedMousePressEvent)
|
|
{
|
|
QGraphicsView::mousePressEvent(suspendedMousePressEvent); // suspendedMousePressEvent is deleted by old Qt event loop
|
|
movingItem = NULL;
|
|
delete suspendedMousePressEvent;
|
|
suspendedMousePressEvent = NULL;
|
|
bReleaseIsNeed = true;
|
|
}
|
|
else{
|
|
if (isUBItem(movingItem) &&
|
|
DelegateButton::Type != movingItem->type() &&
|
|
QGraphicsSvgItem::Type != movingItem->type() &&
|
|
UBGraphicsDelegateFrame::Type != movingItem->type() &&
|
|
UBGraphicsCache::Type != movingItem->type() &&
|
|
QGraphicsWebView::Type != movingItem->type() && // for W3C widgets as Tools.
|
|
!(!isMultipleSelectionEnabled() && movingItem->parentItem() && UBGraphicsWidgetItem::Type == movingItem->type() && UBGraphicsGroupContainerItem::Type == movingItem->parentItem()->type()))
|
|
{
|
|
bReleaseIsNeed = false;
|
|
if (movingItem->isSelected() && isMultipleSelectionEnabled())
|
|
movingItem->setSelected(false);
|
|
else
|
|
if (movingItem->parentItem() && movingItem->parentItem()->isSelected() && isMultipleSelectionEnabled())
|
|
movingItem->parentItem()->setSelected(false);
|
|
else
|
|
{
|
|
if (movingItem->isSelected())
|
|
bReleaseIsNeed = true;
|
|
|
|
movingItem->setSelected(true);
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
else
|
|
bReleaseIsNeed = true;
|
|
|
|
if (bReleaseIsNeed)
|
|
{
|
|
QGraphicsView::mouseReleaseEvent (event);
|
|
}
|
|
}
|
|
else if (currentTool == UBStylusTool::Play) {
|
|
if (bIsDesktop) {
|
|
event->ignore();
|
|
return;
|
|
}
|
|
|
|
if (mWidgetMoved) {
|
|
movingItem->setSelected(false);
|
|
movingItem = NULL;
|
|
mWidgetMoved = false;
|
|
}
|
|
else {
|
|
if (suspendedMousePressEvent) {
|
|
QGraphicsView::mousePressEvent(suspendedMousePressEvent); // suspendedMousePressEvent is deleted by old Qt event loop
|
|
movingItem = NULL;
|
|
delete suspendedMousePressEvent;
|
|
suspendedMousePressEvent = NULL;
|
|
}
|
|
}
|
|
QGraphicsView::mouseReleaseEvent (event);
|
|
}
|
|
else if (currentTool == UBStylusTool::Capture)
|
|
{
|
|
|
|
if (scene () && mRubberBand && mIsCreatingSceneGrabZone && mRubberBand->geometry ().width () > 16)
|
|
{
|
|
QRect rect = mRubberBand->geometry ();
|
|
QPointF sceneTopLeft = mapToScene (rect.topLeft ());
|
|
QPointF sceneBottomRight = mapToScene (rect.bottomRight ());
|
|
QRectF sceneRect (sceneTopLeft, sceneBottomRight);
|
|
|
|
mController->grabScene (sceneRect);
|
|
|
|
event->accept ();
|
|
}
|
|
else
|
|
{
|
|
QGraphicsView::mouseReleaseEvent (event);
|
|
}
|
|
|
|
mIsCreatingSceneGrabZone = false;
|
|
}
|
|
else
|
|
{
|
|
if (mPendingStylusReleaseEvent || mMouseButtonIsPressed)
|
|
{
|
|
event->accept ();
|
|
}
|
|
}
|
|
|
|
|
|
if (mUBRubberBand) {
|
|
mUBRubberBand->hide();
|
|
delete mUBRubberBand;
|
|
mUBRubberBand = NULL;
|
|
}
|
|
|
|
if (mRubberBand) {
|
|
mRubberBand->hide();
|
|
delete mRubberBand;
|
|
mRubberBand = NULL;
|
|
}
|
|
|
|
mMouseButtonIsPressed = false;
|
|
mPendingStylusReleaseEvent = false;
|
|
mTabletStylusIsPressed = false;
|
|
movingItem = NULL;
|
|
|
|
mLongPressTimer.stop();
|
|
emit mouseReleased();
|
|
}
|
|
|
|
void UBBoardView::forcedTabletRelease ()
|
|
{
|
|
if (mMouseButtonIsPressed || mTabletStylusIsPressed || mPendingStylusReleaseEvent)
|
|
{
|
|
qWarning () << "dirty mouse/tablet state:";
|
|
qWarning () << "mMouseButtonIsPressed =" << mMouseButtonIsPressed;
|
|
qWarning () << "mTabletStylusIsPressed = " << mTabletStylusIsPressed;
|
|
qWarning () << "mPendingStylusReleaseEvent" << mPendingStylusReleaseEvent;
|
|
qWarning () << "forcing device release";
|
|
|
|
scene ()->inputDeviceRelease ();
|
|
|
|
mMouseButtonIsPressed = false;
|
|
mTabletStylusIsPressed = false;
|
|
mPendingStylusReleaseEvent = false;
|
|
}
|
|
}
|
|
|
|
void UBBoardView::mouseDoubleClickEvent (QMouseEvent *event)
|
|
{
|
|
// We don't want a double click, we want two clicks
|
|
mousePressEvent (event);
|
|
}
|
|
|
|
void UBBoardView::wheelEvent (QWheelEvent *wheelEvent)
|
|
{
|
|
QList<QGraphicsItem *> selItemsList = scene()->selectedItems();
|
|
// if NO have selected items, than no need process mouse wheel. just exist
|
|
if( selItemsList.count() > 0 )
|
|
{
|
|
// only one selected item possible, so we will work with first item only
|
|
QGraphicsItem * selItem = selItemsList[0];
|
|
|
|
// get items list under mouse cursor
|
|
QPointF scenePos = mapToScene(wheelEvent->pos());
|
|
QList<QGraphicsItem *> itemsList = scene()->items(scenePos);
|
|
|
|
bool isSelectedAndMouseHower = itemsList.contains(selItem);
|
|
if(isSelectedAndMouseHower)
|
|
{
|
|
QGraphicsView::wheelEvent(wheelEvent);
|
|
wheelEvent->accept();
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
void UBBoardView::leaveEvent (QEvent * event)
|
|
{
|
|
if (scene ())
|
|
scene ()->leaveEvent (event);
|
|
|
|
mJustSelectedItems.clear();
|
|
|
|
QGraphicsView::leaveEvent (event);
|
|
}
|
|
|
|
void UBBoardView::drawItems (QPainter *painter, int numItems, QGraphicsItem* items[], const QStyleOptionGraphicsItem options[])
|
|
{
|
|
if (!mFilterZIndex)
|
|
QGraphicsView::drawItems (painter, numItems, items, options);
|
|
else
|
|
{
|
|
int count = 0;
|
|
|
|
QGraphicsItem** itemsFiltered = new QGraphicsItem*[numItems];
|
|
QStyleOptionGraphicsItem *optionsFiltered = new QStyleOptionGraphicsItem[numItems];
|
|
|
|
for (int i = 0; i < numItems; i++)
|
|
{
|
|
if (shouldDisplayItem (items[i]))
|
|
{
|
|
itemsFiltered[count] = items[i];
|
|
optionsFiltered[count] = options[i];
|
|
count++;
|
|
}
|
|
}
|
|
|
|
QGraphicsView::drawItems (painter, count, itemsFiltered, optionsFiltered);
|
|
|
|
delete[] optionsFiltered;
|
|
delete[] itemsFiltered;
|
|
}
|
|
}
|
|
|
|
|
|
void UBBoardView::dragMoveEvent(QDragMoveEvent *event)
|
|
{
|
|
QGraphicsView::dragMoveEvent(event);
|
|
event->acceptProposedAction();
|
|
}
|
|
|
|
void UBBoardView::dropEvent (QDropEvent *event)
|
|
{
|
|
QGraphicsItem *onItem = itemAt(event->pos().x(),event->pos().y());
|
|
if (onItem && onItem->type() == UBGraphicsWidgetItem::Type) {
|
|
QGraphicsView::dropEvent(event);
|
|
}
|
|
else {
|
|
if (!event->source()
|
|
|| qobject_cast<UBThumbnailWidget *>(event->source())
|
|
|| qobject_cast<QWebView*>(event->source())
|
|
|| qobject_cast<QListView *>(event->source())) {
|
|
mController->processMimeData (event->mimeData (), mapToScene (event->pos ()));
|
|
event->acceptProposedAction();
|
|
}
|
|
}
|
|
//prevent features in UBFeaturesWidget deletion from the model when event is processing inside
|
|
//Qt base classes
|
|
if (event->dropAction() == Qt::MoveAction) {
|
|
event->setDropAction(Qt::CopyAction);
|
|
}
|
|
}
|
|
|
|
void UBBoardView::resizeEvent (QResizeEvent * event)
|
|
{
|
|
const qreal maxWidth = width () * 10;
|
|
const qreal maxHeight = height () * 10;
|
|
|
|
setSceneRect (-(maxWidth / 2), -(maxHeight / 2), maxWidth, maxHeight);
|
|
centerOn (0, 0);
|
|
|
|
emit resized (event);
|
|
}
|
|
|
|
void UBBoardView::drawBackground (QPainter *painter, const QRectF &rect)
|
|
{
|
|
if (testAttribute (Qt::WA_TranslucentBackground))
|
|
{
|
|
QGraphicsView::drawBackground (painter, rect);
|
|
return;
|
|
}
|
|
|
|
bool darkBackground = scene () && scene ()->isDarkBackground ();
|
|
|
|
if (darkBackground)
|
|
{
|
|
painter->fillRect (rect, QBrush (QColor (Qt::black)));
|
|
}
|
|
else
|
|
{
|
|
painter->fillRect (rect, QBrush (QColor (Qt::white)));
|
|
}
|
|
|
|
if (transform ().m11 () > 0.5)
|
|
{
|
|
QColor bgCrossColor;
|
|
|
|
if (darkBackground)
|
|
bgCrossColor = UBSettings::crossDarkBackground;
|
|
else
|
|
bgCrossColor = UBSettings::crossLightBackground;
|
|
|
|
if (transform ().m11 () < 1.0)
|
|
{
|
|
int alpha = 255 * transform ().m11 () / 2;
|
|
bgCrossColor.setAlpha (alpha); // fade the crossing on small zooms
|
|
}
|
|
|
|
painter->setPen (bgCrossColor);
|
|
|
|
if (scene () && scene ()->isCrossedBackground ())
|
|
{
|
|
qreal firstY = ((int) (rect.y () / UBSettings::crossSize)) * UBSettings::crossSize;
|
|
|
|
for (qreal yPos = firstY; yPos < rect.y () + rect.height (); yPos += UBSettings::crossSize)
|
|
{
|
|
painter->drawLine (rect.x (), yPos, rect.x () + rect.width (), yPos);
|
|
}
|
|
|
|
qreal firstX = ((int) (rect.x () / UBSettings::crossSize)) * UBSettings::crossSize;
|
|
|
|
for (qreal xPos = firstX; xPos < rect.x () + rect.width (); xPos += UBSettings::crossSize)
|
|
{
|
|
painter->drawLine (xPos, rect.y (), xPos, rect.y () + rect.height ());
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!mFilterZIndex && scene ())
|
|
{
|
|
QSize pageNominalSize = scene ()->nominalSize ();
|
|
|
|
if (pageNominalSize.isValid ())
|
|
{
|
|
qreal penWidth = 8.0 / transform ().m11 ();
|
|
|
|
QRectF pageRect (pageNominalSize.width () / -2, pageNominalSize.height () / -2
|
|
, pageNominalSize.width (), pageNominalSize.height ());
|
|
|
|
pageRect.adjust (-penWidth / 2, -penWidth / 2, penWidth / 2, penWidth / 2);
|
|
|
|
QColor docSizeColor;
|
|
|
|
if (darkBackground)
|
|
docSizeColor = UBSettings::documentSizeMarkColorDarkBackground;
|
|
else
|
|
docSizeColor = UBSettings::documentSizeMarkColorLightBackground;
|
|
|
|
QPen pen (docSizeColor);
|
|
pen.setWidth (penWidth);
|
|
painter->setPen (pen);
|
|
painter->drawRect (pageRect);
|
|
}
|
|
}
|
|
}
|
|
|
|
void UBBoardView::settingChanged (QVariant newValue)
|
|
{
|
|
Q_UNUSED (newValue);
|
|
|
|
mPenPressureSensitive = UBSettings::settings ()->boardPenPressureSensitive->get ().toBool ();
|
|
mMarkerPressureSensitive = UBSettings::settings ()->boardMarkerPressureSensitive->get ().toBool ();
|
|
mUseHighResTabletEvent = UBSettings::settings ()->boardUseHighResTabletEvent->get ().toBool ();
|
|
}
|
|
|
|
void UBBoardView::virtualKeyboardActivated(bool b)
|
|
{
|
|
UBPlatformUtils::setWindowNonActivableFlag(this, b);
|
|
mVirtualKeyboardActive = b;
|
|
setInteractive(!b);
|
|
}
|
|
|
|
|
|
// Apple remote desktop sends funny events when the transmission is bad
|
|
|
|
bool UBBoardView::isAbsurdPoint(QPoint point)
|
|
{
|
|
QDesktopWidget *desktop = qApp->desktop ();
|
|
bool isValidPoint = false;
|
|
|
|
for (int i = 0; i < desktop->numScreens (); i++)
|
|
{
|
|
QRect screenRect = desktop->screenGeometry (i);
|
|
isValidPoint = isValidPoint || screenRect.contains (mapToGlobal(point));
|
|
}
|
|
|
|
return !isValidPoint;
|
|
}
|
|
|
|
void UBBoardView::focusOutEvent (QFocusEvent * event)
|
|
{
|
|
Q_UNUSED (event);
|
|
}
|
|
|
|
void UBBoardView::setToolCursor (int tool)
|
|
{
|
|
QWidget *controlViewport = viewport ();
|
|
switch (tool)
|
|
{
|
|
case UBStylusTool::Pen:
|
|
controlViewport->setCursor (UBResources::resources ()->penCursor);
|
|
break;
|
|
case UBStylusTool::Eraser:
|
|
controlViewport->setCursor (UBResources::resources ()->eraserCursor);
|
|
scene()->hideEraser();
|
|
break;
|
|
case UBStylusTool::Marker:
|
|
controlViewport->setCursor (UBResources::resources ()->markerCursor);
|
|
break;
|
|
case UBStylusTool::Pointer:
|
|
controlViewport->setCursor (UBResources::resources ()->pointerCursor);
|
|
break;
|
|
case UBStylusTool::Hand:
|
|
controlViewport->setCursor (UBResources::resources ()->handCursor);
|
|
break;
|
|
case UBStylusTool::ZoomIn:
|
|
controlViewport->setCursor (UBResources::resources ()->zoomInCursor);
|
|
break;
|
|
case UBStylusTool::ZoomOut:
|
|
controlViewport->setCursor (UBResources::resources ()->zoomOutCursor);
|
|
break;
|
|
case UBStylusTool::Selector:
|
|
controlViewport->setCursor (UBResources::resources ()->arrowCursor);
|
|
break;
|
|
case UBStylusTool::Play:
|
|
controlViewport->setCursor (UBResources::resources ()->playCursor);
|
|
break;
|
|
case UBStylusTool::Line:
|
|
controlViewport->setCursor (UBResources::resources ()->penCursor);
|
|
break;
|
|
case UBStylusTool::Text:
|
|
controlViewport->setCursor (UBResources::resources ()->textCursor);
|
|
break;
|
|
case UBStylusTool::Capture:
|
|
controlViewport->setCursor (UBResources::resources ()->penCursor);
|
|
break;
|
|
default:
|
|
Q_ASSERT (false);
|
|
//failsafe
|
|
controlViewport->setCursor (UBResources::resources ()->penCursor);
|
|
}
|
|
}
|
|
|
|
|
|
bool UBBoardView::hasSelectedParents(QGraphicsItem * item)
|
|
{
|
|
if (item->isSelected())
|
|
return true;
|
|
if (item->parentItem()==NULL)
|
|
return false;
|
|
return hasSelectedParents(item->parentItem());
|
|
}
|
|
|