コード例 #1
0
ファイル: graphicsView.cpp プロジェクト: rforge/qtinterfaces
SEXP
qt_qfitScene_QGraphicsView(SEXP v) {
  QGraphicsView *view = unwrapQObject(v, QGraphicsView);
  view->fitInView(view->sceneRect());
  return R_NilValue;
}
コード例 #2
0
ファイル: geometryval.cpp プロジェクト: rayl/kdenlive
Geometryval::Geometryval(const MltVideoProfile profile, QPoint frame_size, QWidget* parent) :
        QWidget(parent),
        m_profile(profile),
        m_paramRect(NULL),
        m_geom(NULL),
        m_path(NULL),
        m_fixedMode(false),
        m_frameSize(frame_size)
{
    m_ui.setupUi(this);
    QVBoxLayout* vbox = new QVBoxLayout(m_ui.widget);
    QGraphicsView *view = new QGraphicsView(this);
    view->setBackgroundBrush(QBrush(Qt::black));
    vbox->addWidget(view);
    vbox->setContentsMargins(0, 0, 0, 0);

    QVBoxLayout* vbox2 = new QVBoxLayout(m_ui.keyframeWidget);
    m_helper = new KeyframeHelper(this);
    vbox2->addWidget(m_helper);
    vbox2->setContentsMargins(0, 0, 0, 0);

    connect(m_helper, SIGNAL(positionChanged(int)), this, SLOT(slotPositionChanged(int)));

    m_scene = new GraphicsSceneRectMove(this);
    m_scene->setTool(TITLE_SELECT);
    view->setScene(m_scene);
    QGraphicsRectItem *m_frameBorder = new QGraphicsRectItem(QRectF(0, 0, profile.width, profile.height));
    m_frameBorder->setZValue(-1100);
    m_frameBorder->setBrush(QColor(255, 255, 0, 30));
    m_frameBorder->setPen(QPen(QBrush(QColor(255, 255, 255, 255)), 1.0, Qt::DashLine));
    m_scene->addItem(m_frameBorder);

    m_ui.buttonNext->setIcon(KIcon("media-skip-forward"));
    m_ui.buttonNext->setToolTip(i18n("Go to next keyframe"));
    m_ui.buttonPrevious->setIcon(KIcon("media-skip-backward"));
    m_ui.buttonPrevious->setToolTip(i18n("Go to previous keyframe"));
    m_ui.buttonAdd->setIcon(KIcon("document-new"));
    m_ui.buttonAdd->setToolTip(i18n("Add keyframe"));
    m_ui.buttonDelete->setIcon(KIcon("edit-delete"));
    m_ui.buttonDelete->setToolTip(i18n("Delete keyframe"));

    QMenu *configMenu = new QMenu(i18n("Misc..."), this);
    m_ui.buttonMenu->setIcon(KIcon("system-run"));
    m_ui.buttonMenu->setMenu(configMenu);
    m_ui.buttonMenu->setPopupMode(QToolButton::QToolButton::InstantPopup);


    configMenu->addAction(i18n("Geometry"), this, SLOT(slotGeometry()));

    m_scaleMenu = new QMenu(i18n("Resize..."), this);
    configMenu->addMenu(m_scaleMenu);
    m_scaleMenu->addAction(i18n("50%"), this, SLOT(slotResize50()));
    m_scaleMenu->addAction(i18n("100%"), this, SLOT(slotResize100()));
    m_scaleMenu->addAction(i18n("200%"), this, SLOT(slotResize200()));
    m_scaleMenu->addAction(i18n("Original size"), this, SLOT(slotResizeOriginal()));
    m_scaleMenu->addAction(i18n("Custom"), this, SLOT(slotResizeCustom()));

    m_alignMenu = new QMenu(i18n("Align..."), this);
    configMenu->addMenu(m_alignMenu);
    m_alignMenu->addAction(i18n("Center"), this, SLOT(slotAlignCenter()));
    m_alignMenu->addAction(i18n("Hor. Center"), this, SLOT(slotAlignHCenter()));
    m_alignMenu->addAction(i18n("Vert. Center"), this, SLOT(slotAlignVCenter()));
    m_alignMenu->addAction(i18n("Right"), this, SLOT(slotAlignRight()));
    m_alignMenu->addAction(i18n("Left"), this, SLOT(slotAlignLeft()));
    m_alignMenu->addAction(i18n("Top"), this, SLOT(slotAlignTop()));
    m_alignMenu->addAction(i18n("Bottom"), this, SLOT(slotAlignBottom()));


    m_syncAction = configMenu->addAction(i18n("Sync timeline cursor"), this, SLOT(slotSyncCursor()));
    m_syncAction->setCheckable(true);
    m_syncAction->setChecked(KdenliveSettings::transitionfollowcursor());

    //scene->setSceneRect(0, 0, profile.width * 2, profile.height * 2);
    //view->fitInView(m_frameBorder, Qt::KeepAspectRatio);
    const double sc = 100.0 / profile.height * 0.8;
    QRectF srect = view->sceneRect();
    view->setSceneRect(srect.x(), -srect.height() / 3 + 10, srect.width(), srect.height() + srect.height() / 3 * 2 - 10);
    m_scene->setZoom(sc);
    view->centerOn(m_frameBorder);
    connect(m_ui.buttonNext , SIGNAL(clicked()) , this , SLOT(slotNextFrame()));
    connect(m_ui.buttonPrevious , SIGNAL(clicked()) , this , SLOT(slotPreviousFrame()));
    connect(m_ui.buttonDelete , SIGNAL(clicked()) , this , SLOT(slotDeleteFrame()));
    connect(m_ui.buttonAdd , SIGNAL(clicked()) , this , SLOT(slotAddFrame()));
    connect(m_scene, SIGNAL(actionFinished()), this, SLOT(slotUpdateTransitionProperties()));
    connect(m_scene, SIGNAL(doubleClickEvent()), this, SLOT(slotGeometry()));

}
コード例 #3
0
void MultiTouchListener::handleEvent( TUIO::TuioCursor* tcur,
                                      const QEvent::Type eventType )
{
    QGraphicsView* view = _graphicsViewProxy->getGraphicsView();
    if( !view )
        return;

    const QPoint& viewPos = view->mapToGlobal( view->pos());
    const QRectF& sceneRect = view->sceneRect();
    const int viewWidth = view->geometry().width();
    const int viewHeight = view->geometry().height();

    const qreal w = viewWidth / sceneRect.width();
    const qreal h = viewHeight / sceneRect.height();
    const int x = qreal(viewWidth - w) * .5;
    const int y = qreal(viewHeight - h) * .5;
    const QPoint sceneOffset( x, y );

    const QPointF normPos( tcur->getX(), tcur->getY( ));
    const QPoint pos( w * normPos.x(), h * normPos.y( ));
    const QPoint screenPos( viewPos + sceneOffset + pos );

    const QPoint wallPos( g_configuration->getTotalWidth() * tcur->getX(),
                          g_configuration->getTotalHeight() * tcur->getY( ));

    QTouchEvent::TouchPoint touchPoint( tcur->getCursorID( ));
    touchPoint.setPressure( 1.0 );
    touchPoint.setNormalizedPos( normPos );
    touchPoint.setPos( wallPos ); // need for pan gesture recognition
    touchPoint.setScenePos( normPos );
    touchPoint.setScreenPos( screenPos ); // need for hotspot & itemAt

    Qt::TouchPointStates touchPointStates = 0;
    if( tcur->getCursorID() == 0 )
        touchPointStates |= Qt::TouchPointPrimary;

    switch( eventType )
    {
    case QEvent::TouchBegin:
        touchPointStates = Qt::TouchPointPressed;

        touchPoint.setStartNormalizedPos( normPos );
        touchPoint.setStartPos( touchPoint.pos( ));
        touchPoint.setStartScreenPos( screenPos );
        touchPoint.setStartScenePos( touchPoint.scenePos( ));

        touchPoint.setLastNormalizedPos( normPos );
        touchPoint.setLastPos( touchPoint.pos( ));
        touchPoint.setLastScreenPos( screenPos );
        touchPoint.setLastScenePos( touchPoint.scenePos( ));
        break;

    case QEvent::TouchUpdate:
    case QEvent::TouchEnd:
    {
        if( eventType == QEvent::TouchUpdate )
            touchPointStates = tcur->isMoving() ? Qt::TouchPointMoved
                                                : Qt::TouchPointStationary;
        else
            touchPointStates = Qt::TouchPointReleased;

        const QTouchEvent::TouchPoint& prevPoint = _touchPointMap.value( tcur->getCursorID( ));
        touchPoint.setStartNormalizedPos( prevPoint.startNormalizedPos( ));
        touchPoint.setStartPos( prevPoint.startPos( ));
        touchPoint.setStartScreenPos( prevPoint.startScreenPos( ));
        touchPoint.setStartScenePos( prevPoint.startScenePos( ));

        touchPoint.setLastNormalizedPos( prevPoint.normalizedPos( ));
        touchPoint.setLastPos( prevPoint.pos( ));
        touchPoint.setLastScreenPos( prevPoint.screenPos( ));
        touchPoint.setLastScenePos( prevPoint.scenePos( ));
        break;
    }

    default:
        put_flog( LOG_ERROR, "Got wrong touch event type %i", eventType );
        return;
    }

    touchPoint.setState( touchPointStates );
    _touchPointMap.insert( tcur->getCursorID(), touchPoint );

    QEvent* touchEvent = new QTouchEvent( eventType, QTouchEvent::TouchScreen,
                                          Qt::NoModifier, touchPointStates,
                                          _touchPointMap.values( ));
    QApplication::postEvent( view->viewport(), touchEvent );

    if( eventType == QEvent::TouchEnd )
        _touchPointMap.remove( tcur->getCursorID( ));
}