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1388 lines
40 KiB
1388 lines
40 KiB
/*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "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 "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 "gui/UBTeacherGuideWidgetsTools.h"
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#include "board/UBBoardController.h"
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#include "board/UBBoardPaletteManager.h"
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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 "document/UBDocumentProxy.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)
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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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{
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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)
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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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{
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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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//NOOP
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if (suspendedMousePressEvent)
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delete suspendedMousePressEvent;
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}
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void
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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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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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setOptimizationFlag (QGraphicsView::IndirectPainting); // enable UBBoardView::drawItems filter
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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*
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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
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UBBoardView::hideEvent (QHideEvent * event)
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{
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Q_UNUSED (event);
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emit hidden ();
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}
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void
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UBBoardView::showEvent (QShowEvent * event)
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{
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Q_UNUSED (event);
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emit shown ();
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}
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void
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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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}
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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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}
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bool
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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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// if event are not Pen events, we drop the tablet stuff and route everything through mouse event
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if (currentTool != UBStylusTool::Pen && currentTool != UBStylusTool::Line && currentTool != UBStylusTool::Marker && !mMarkerPressureSensitive){
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event->setAccepted (false);
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return;
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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)
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&& mPenPressureSensitive)
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|| (currentTool == UBStylusTool::Marker && mMarkerPressureSensitive))
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pressure = event->pressure ();
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bool acceptEvent = true;
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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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if (item->data(UBGraphicsItemData::ItemLocked).toBool())
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return true;
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return itemIsLocked(item->parentItem());
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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::itemShouldReceiveMousePressEvent(QGraphicsItem *item)
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{
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if (!item)
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return true;
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if (item == scene()->backgroundObject())
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return true;
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if (itemIsLocked(item))
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return false;
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UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
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if ((currentTool == UBStylusTool::Play) && UBGraphicsGroupContainerItem::Type == movingItem->type())
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return movingItem = NULL;
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switch(item->type())
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{
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case UBGraphicsMediaItem::Type:
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return false;
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case UBGraphicsPixmapItem::Type:
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case UBGraphicsTextItem::Type:
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if ((currentTool == UBStylusTool::Selector) && item->isSelected())
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return true;
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if ((currentTool == UBStylusTool::Selector) && item->parentItem() && item->parentItem()->isSelected())
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return true;
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if (currentTool != UBStylusTool::Selector)
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return false;
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break;
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case UBGraphicsGroupContainerItem::Type:
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return (currentTool == UBStylusTool::Selector);
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case UBGraphicsW3CWidgetItem::Type:
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if (currentTool == UBStylusTool::Selector && item->parentItem() && item->parentItem()->isSelected())
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return true;
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if (currentTool == UBStylusTool::Selector && item->isSelected())
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return true;
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if (currentTool == UBStylusTool::Play)
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return true;
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break;
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default:
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return true;
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}
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return false;
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}
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bool UBBoardView::itemShouldReceiveSuspendedMousePressEvent(QGraphicsItem *item)
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{
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if (!item)
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return false;
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if (item == scene()->backgroundObject())
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return false;
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if (itemIsLocked(item))
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return false;
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UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
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switch(item->type())
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{
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case UBGraphicsPixmapItem::Type:
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case UBGraphicsTextItem::Type:
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case UBGraphicsW3CWidgetItem::Type:
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if (currentTool == UBStylusTool::Selector && !item->isSelected() && item->parentItem())
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return true;
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if (currentTool == UBStylusTool::Selector && item->isSelected())
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return true;
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break;
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case UBGraphicsMediaItem::Type:
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return true;
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default:
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return false;
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}
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return false;
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}
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bool UBBoardView::itemShouldBeMoved(QGraphicsItem *item)
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{
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if (!item)
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return false;
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if (item == scene()->backgroundObject())
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return false;
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if (!(mMouseButtonIsPressed || mTabletStylusIsPressed))
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return false;
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if (movingItem->data(UBGraphicsItemData::ItemLocked).toBool())
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return false;
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UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
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if (movingItem->parentItem() && !movingItem->isSelected() && movingItem->parentItem()->isSelected())
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return false;
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switch(item->type())
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{
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case UBGraphicsGroupContainerItem::Type:
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return true;
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case UBGraphicsW3CWidgetItem::Type:
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if(currentTool == UBStylusTool::Selector && item->isSelected())
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return false;
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if(currentTool == UBStylusTool::Play)
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return false;
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case UBGraphicsPixmapItem::Type:
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if (item->isSelected())
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return false;
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case UBGraphicsMediaItem::Type:
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case UBGraphicsStrokesGroup::Type:
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return true;
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case UBGraphicsTextItem::Type:
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return !item->isSelected();
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default:
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false;
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}
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return false;
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}
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// determine item to interacts: item self or it's container.
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QGraphicsItem* UBBoardView::determineItemToMove(QGraphicsItem *item)
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{
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if(item)
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{
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UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController()->stylusTool();
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if ((UBStylusTool::Play == currentTool) && (UBGraphicsW3CWidgetItem::Type == item->type()))
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return item;
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if(item->parentItem() && UBGraphicsGroupContainerItem::Type == item->parentItem()->type())
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{
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if (UBStylusTool::Play == currentTool && item->parentItem()->isSelected())
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return item->parentItem();
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if (item->parentItem()->isSelected())
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return item;
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if (item->isSelected())
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return NULL;
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return item->parentItem();
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}
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if(item->parentItem() && UBGraphicsStrokesGroup::Type == item->parentItem()->type())
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return determineItemToMove(item->parentItem());
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}
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return item;
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}
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|
|
void UBBoardView::handleItemMousePress(QMouseEvent *event)
|
|
{
|
|
mLastPressedMousePos = mapToScene(event->pos());
|
|
|
|
if (itemShouldReceiveMousePressEvent(movingItem))
|
|
QGraphicsView::mousePressEvent (event);
|
|
else
|
|
{
|
|
if (movingItem)
|
|
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)
|
|
{
|
|
if (movingItem)
|
|
movingItem = determineItemToMove(movingItem);
|
|
|
|
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.
|
|
if (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::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)
|
|
{
|
|
mIsDragInProgress = false;
|
|
|
|
if (isAbsurdPoint (event->pos ()))
|
|
{
|
|
event->accept ();
|
|
return;
|
|
}
|
|
|
|
mMouseDownPos = event->pos ();
|
|
|
|
emit clickOnBoard();
|
|
|
|
if (event->button () == Qt::LeftButton && isInteractive ())
|
|
{
|
|
|
|
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController ()->stylusTool ();
|
|
|
|
if (!mTabletStylusIsPressed)
|
|
mMouseButtonIsPressed = true;
|
|
|
|
if (currentTool == UBStylusTool::ZoomIn)
|
|
{
|
|
mController->zoomIn (mapToScene (event->pos ()));
|
|
event->accept ();
|
|
}
|
|
else if (currentTool == UBStylusTool::ZoomOut)
|
|
{
|
|
mController->zoomOut (mapToScene (event->pos ()));
|
|
event->accept ();
|
|
}
|
|
else if (currentTool == UBStylusTool::Hand)
|
|
{
|
|
viewport ()->setCursor (QCursor (Qt::ClosedHandCursor));
|
|
mPreviousPoint = event->posF ();
|
|
event->accept ();
|
|
}
|
|
else if (currentTool == UBStylusTool::Selector || currentTool == UBStylusTool::Play)
|
|
{
|
|
movingItem = scene()->itemAt(this->mapToScene(event->posF().toPoint()));
|
|
|
|
connect(&mLongPressTimer, SIGNAL(timeout()), this, SLOT(longPressEvent()));
|
|
if (!movingItem && !mController->cacheIsVisible())
|
|
mLongPressTimer.start();
|
|
|
|
if (!movingItem) {
|
|
// Rubberband selection implementation
|
|
if (!mUBRubberBand) {
|
|
mUBRubberBand = new UBRubberBand(QRubberBand::Rectangle, this);
|
|
}
|
|
mUBRubberBand->setGeometry (QRect (mMouseDownPos, QSize ()));
|
|
mUBRubberBand->show();
|
|
}
|
|
else
|
|
{
|
|
if(mUBRubberBand)
|
|
mUBRubberBand->hide();
|
|
}
|
|
|
|
handleItemMousePress(event);
|
|
event->accept();
|
|
}
|
|
else if (currentTool == 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 ();
|
|
}
|
|
}
|
|
else if (currentTool == UBStylusTool::Capture)
|
|
{
|
|
scene ()->deselectAllItems ();
|
|
|
|
if (!mRubberBand)
|
|
mRubberBand = new UBRubberBand (QRubberBand::Rectangle, this);
|
|
|
|
mRubberBand->setGeometry (QRect (mMouseDownPos, QSize ()));
|
|
mRubberBand->show ();
|
|
mIsCreatingSceneGrabZone = true;
|
|
|
|
event->accept ();
|
|
}
|
|
else
|
|
{
|
|
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)
|
|
{
|
|
if(!mIsDragInProgress && ((mapToScene(event->pos()) - mLastPressedMousePos).manhattanLength() < QApplication::startDragDistance()))
|
|
{
|
|
return;
|
|
}
|
|
|
|
mIsDragInProgress = true;
|
|
UBStylusTool::Enum currentTool = (UBStylusTool::Enum)UBDrawingController::drawingController ()->stylusTool ();
|
|
|
|
mLongPressTimer.stop();
|
|
|
|
if (isAbsurdPoint (event->pos ()))
|
|
{
|
|
event->accept ();
|
|
return;
|
|
}
|
|
|
|
if (currentTool == UBStylusTool::Hand && (mMouseButtonIsPressed || mTabletStylusIsPressed))
|
|
{
|
|
QPointF eventPosition = event->posF ();
|
|
qreal dx = eventPosition.x () - mPreviousPoint.x ();
|
|
qreal dy = eventPosition.y () - mPreviousPoint.y ();
|
|
mController->handScroll (dx, dy);
|
|
mPreviousPoint = eventPosition;
|
|
event->accept ();
|
|
}
|
|
else if (currentTool == UBStylusTool::Selector || currentTool == UBStylusTool::Play)
|
|
{
|
|
if((event->pos() - mLastPressedMousePos).manhattanLength() < QApplication::startDragDistance()) {
|
|
return;
|
|
}
|
|
|
|
if (!movingItem && (mMouseButtonIsPressed || mTabletStylusIsPressed) && mUBRubberBand && mUBRubberBand->isVisible()) {
|
|
|
|
QRect bandRect(mMouseDownPos, event->pos());
|
|
|
|
bandRect = bandRect.normalized();
|
|
|
|
mUBRubberBand->setGeometry(bandRect);
|
|
|
|
QList<QGraphicsItem *> rubberItems = items(bandRect);
|
|
foreach (QGraphicsItem *item, mJustSelectedItems) {
|
|
if (!rubberItems.contains(item)) {
|
|
item->setSelected(false);
|
|
mJustSelectedItems.remove(item);
|
|
}
|
|
}
|
|
|
|
if (currentTool == UBStylusTool::Selector)
|
|
foreach (QGraphicsItem *item, items(bandRect)) {
|
|
|
|
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)) {
|
|
item->setSelected(true);
|
|
mJustSelectedItems.insert(item);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
handleItemMouseMove(event);
|
|
}
|
|
else if ((UBDrawingController::drawingController()->isDrawingTool())
|
|
&& !mMouseButtonIsPressed)
|
|
{
|
|
QGraphicsView::mouseMoveEvent (event);
|
|
}
|
|
else if (currentTool == UBStylusTool::Text || currentTool == UBStylusTool::Capture)
|
|
{
|
|
if (mRubberBand && (mIsCreatingTextZone || mIsCreatingSceneGrabZone))
|
|
{
|
|
mRubberBand->setGeometry (QRect (mMouseDownPos, event->pos ()).normalized ());
|
|
event->accept ();
|
|
}
|
|
else
|
|
{
|
|
QGraphicsView::mouseMoveEvent (event);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!mTabletStylusIsPressed && scene ())
|
|
{
|
|
scene ()->inputDeviceMove (mapToScene (UBGeometryUtils::pointConstrainedInRect (event->pos (), rect ())), mMouseButtonIsPressed);
|
|
}
|
|
event->accept ();
|
|
}
|
|
|
|
if((event->pos() - mLastPressedMousePos).manhattanLength() < QApplication::startDragDistance())
|
|
mWidgetMoved = true;
|
|
}
|
|
|
|
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 (mWidgetMoved)
|
|
{
|
|
mWidgetMoved = false;
|
|
movingItem = NULL;
|
|
}
|
|
else
|
|
if (movingItem)
|
|
{
|
|
if (suspendedMousePressEvent && !movingItem->data(UBGraphicsItemData::ItemLocked).toBool())
|
|
{
|
|
QGraphicsView::mousePressEvent(suspendedMousePressEvent); // suspendedMousePressEvent is deleted by old Qt event loop
|
|
movingItem = NULL;
|
|
delete suspendedMousePressEvent;
|
|
suspendedMousePressEvent = NULL;
|
|
}
|
|
else
|
|
{
|
|
if ( QGraphicsSvgItem::Type != movingItem->type()
|
|
&& UBGraphicsDelegateFrame::Type != movingItem->type())
|
|
movingItem->setSelected(true);
|
|
}
|
|
}
|
|
|
|
if (mUBRubberBand && mUBRubberBand->isVisible()) {
|
|
mUBRubberBand->hide();
|
|
}
|
|
|
|
QGraphicsView::mouseReleaseEvent (event);
|
|
}
|
|
else if (currentTool == UBStylusTool::Play)
|
|
{
|
|
if (mWidgetMoved)
|
|
{
|
|
movingItem = NULL;
|
|
mWidgetMoved = false;
|
|
}
|
|
else
|
|
{
|
|
if (suspendedMousePressEvent && movingItem && !movingItem->data(UBGraphicsItemData::ItemLocked).toBool())
|
|
{
|
|
QGraphicsView::mousePressEvent(suspendedMousePressEvent); // suspendedMousePressEvent is deleted by old Qt event loop
|
|
movingItem = NULL;
|
|
delete suspendedMousePressEvent;
|
|
suspendedMousePressEvent = NULL;
|
|
}
|
|
|
|
QGraphicsView::mouseReleaseEvent (event);
|
|
}
|
|
}
|
|
else if (currentTool == UBStylusTool::Text)
|
|
{
|
|
if (mRubberBand)
|
|
mRubberBand->hide ();
|
|
|
|
if (scene () && mRubberBand && mIsCreatingTextZone)
|
|
{
|
|
QRect rubberRect = mRubberBand->geometry ();
|
|
|
|
UBGraphicsTextItem* textItem = scene()->addTextHtml ("", mapToScene (rubberRect.topLeft ()));
|
|
event->accept ();
|
|
|
|
UBDrawingController::drawingController ()->setStylusTool (UBStylusTool::Selector);
|
|
|
|
textItem->setSelected (true);
|
|
}
|
|
else
|
|
{
|
|
QGraphicsView::mouseReleaseEvent (event);
|
|
}
|
|
|
|
mIsCreatingTextZone = false;
|
|
}
|
|
else if (currentTool == UBStylusTool::Capture)
|
|
{
|
|
if (mRubberBand)
|
|
mRubberBand->hide ();
|
|
|
|
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 ();
|
|
}
|
|
}
|
|
|
|
mMouseButtonIsPressed = false;
|
|
mPendingStylusReleaseEvent = false;
|
|
mTabletStylusIsPressed = false;
|
|
|
|
mLongPressTimer.stop();
|
|
}
|
|
|
|
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)
|
|
{
|
|
if (isInteractive () && wheelEvent->orientation () == Qt::Vertical)
|
|
{
|
|
// Too many wheelEvent are sent, how should we handle them to "smoothly" zoom ?
|
|
// something like zoom( pow(zoomFactor, event->delta() / 120) )
|
|
|
|
// use DateTime man, store last event time, and if if less than 300ms than this is one big scroll
|
|
// and move scroll with one const speed.
|
|
// so, you no will related with scroll event count
|
|
}
|
|
|
|
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);
|
|
|
|
QBool isSlectedAndMouseHower = itemsList.contains(selItem);
|
|
if(isSlectedAndMouseHower)
|
|
{
|
|
QGraphicsView::wheelEvent(wheelEvent);
|
|
wheelEvent->accept();
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
UBBoardView::leaveEvent (QEvent * event)
|
|
{
|
|
if (scene ())
|
|
scene ()->leaveEvent (event);
|
|
|
|
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)
|
|
{
|
|
QGraphicsItem* graphicsItemAtPos = itemAt(event->pos().x(),event->pos().y());
|
|
UBGraphicsWidgetItem* graphicsWidget = dynamic_cast<UBGraphicsWidgetItem*>(graphicsItemAtPos);
|
|
|
|
if (graphicsWidget) {
|
|
if (graphicsWidget->acceptDrops()) {
|
|
if (!mOkOnWidget) {
|
|
if (!graphicsWidget->isDropableData(event->mimeData())) {
|
|
mOkOnWidget = false;
|
|
event->ignore();
|
|
return;
|
|
} else {
|
|
mOkOnWidget = true;
|
|
}
|
|
}
|
|
QPoint newPoint(graphicsWidget->mapFromScene(mapToScene(event->pos())).toPoint());
|
|
QDragMoveEvent newEvent(newPoint, event->dropAction(), event->mimeData(), event->mouseButtons(), event->keyboardModifiers());
|
|
QApplication::sendEvent(graphicsWidget->widgetWebView(),&newEvent);
|
|
} else {
|
|
mOkOnWidget = false;
|
|
event->ignore();
|
|
}
|
|
} else {
|
|
event->acceptProposedAction();
|
|
mOkOnWidget = false;
|
|
}
|
|
}
|
|
|
|
void UBBoardView::dropEvent (QDropEvent *event)
|
|
{
|
|
mOkOnWidget = false;
|
|
QGraphicsItem* graphicsItemAtPos = itemAt(event->pos().x(),event->pos().y());
|
|
UBGraphicsWidgetItem* graphicsWidget = dynamic_cast<UBGraphicsWidgetItem*>(graphicsItemAtPos);
|
|
|
|
if (graphicsWidget && graphicsWidget->acceptDrops()) {
|
|
|
|
graphicsWidget->processDropEvent(event);
|
|
event->acceptProposedAction();
|
|
|
|
} else if (!event->source()
|
|
|| dynamic_cast<UBThumbnailWidget *>(event->source())
|
|
|| dynamic_cast<QWebView*>(event->source())
|
|
|| dynamic_cast<UBTGMediaWidget*>(event->source())
|
|
|| dynamic_cast<QListView *>(event->source())
|
|
|| dynamic_cast<UBTGDraggableTreeItem*>(event->source())) {
|
|
|
|
mController->processMimeData (event->mimeData (), mapToScene (event->pos ()));
|
|
event->acceptProposedAction();
|
|
}
|
|
}
|
|
|
|
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 (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);
|
|
}
|
|
}
|
|
|
|
|