C++ (Cpp) requestSeek Examples

Example #1

File: animkeyframeruler.cpp Project: JongHong/kdenlive

// virtual
void AnimKeyframeRuler::mousePressEvent(QMouseEvent * event)
{
    m_hoverKeyframe = -1;
    if (event->button() != Qt::LeftButton) {
        QWidget::mousePressEvent(event);
        return;
    }
    int xPos = event->x() - margin;
    int headOffset = m_lineHeight / 1.5;
    if (event->y() < m_lineHeight) {
        // check if we want to move a keyframe
        for (int i = 0; i < m_keyframes.count(); i++) {
            int kfrPos = m_keyframes.at(i);
            if (kfrPos * m_scale - xPos > headOffset) break;
            if (qAbs(kfrPos * m_scale - xPos) <  headOffset) {
                m_hoverKeyframe = kfrPos;
                setCursor(Qt::PointingHandCursor);
                event->accept();
                m_dragStart = event->pos();
                return;
            }
        }
    }
    int seekRequest = xPos / m_scale;
    if (seekRequest != m_position) {
        m_seekPosition = seekRequest;
        emit requestSeek(m_seekPosition);
        update();
    }
}

Example #2

File: timeslider.cpp Project: nelkana/PurePlayer_As

/*
void TimeSlider::timerRequestSeekTimeout()
{
    if( !isSliderDown() && _movedPos < 0 ) {
        if( _movedPos == -1 ) {
            _unableSetPosition = false;
            _timerRequestSeek.stop();
        }
        else
            ++_movedPos;
    }

    if( _movedPos >= 0 ) {
//      emit requestSeek(_movedPos*100/(double)maximum(), false); // パーセントによる指定
        emit requestSeek((double)_movedPos/10, false);            // 時間による直接指定
        _movedPos = -UNABLE_SETPOSITION_TIME / REQUEST_SEEK_CYCLE_TIME;
    }

//  LogDialog::debug("timer " + QString::number(_movedPos));
}
*/
void TimeSlider::timerRequestSeekTimeout()
{
    if( _movedPos >= 0 ) {
//      emit requestSeek(_movedPos*100/(double)maximum(), false); // パーセントによる指定
        emit requestSeek((double)_movedPos/10, false);            // 時間による直接指定
        _movedPos = -1;

        _timerUnableSetPosition.start(UNABLE_SETPOSITION_TIME);
    }

//    LogDialog::debug("TimeSlider::timerRequestSeekTimeout(): movedPos "
//                        + QString::number(_movedPos));
}

Example #3

File: timeslider.cpp Project: nelkana/PurePlayer_As

void TimeSlider::wheelEvent(QWheelEvent* e)
{
    int pos;
    if( e->delta() < 0 )
        pos = -3;
    else
        pos = +3;

    if( _reverseWheelSeek )
        pos *= -1;

    emit requestSeek(pos, true);
}

Example #4

File: keyframehelper.cpp Project: JongHong/kdenlive

// virtual
void KeyframeHelper::mousePressEvent(QMouseEvent * event)
{
    m_hoverKeyframe = -1;
    if (event->button() != Qt::LeftButton) {
        QWidget::mousePressEvent(event);
        return;
    }
    int xPos = event->x() - margin;
    int headOffset = m_lineHeight / 1.5;
    if (m_geom != NULL && (event->y() <= headOffset)) {
        // check if we want to move a keyframe
        int mousePos = qMax((int)(xPos / m_scale), 0) + m_offset;
        Mlt::GeometryItem item;
        if (m_geom->next_key(&item, mousePos) == 0) {
            if (qAbs((item.frame() - m_offset)* m_scale - xPos) < headOffset) {
                m_movingItem.x(item.x());
                m_movingItem.y(item.y());
                m_movingItem.w(item.w());
                m_movingItem.h(item.h());
                m_movingItem.mix(item.mix());
                m_movingItem.frame(item.frame());

                while (!m_extraMovingItems.isEmpty()) {
                    Mlt::GeometryItem *gitem = m_extraMovingItems.takeFirst();
                    if (gitem) delete gitem;
                }
                for (int i = 0; i < m_extraGeometries.count(); ++i) {
                    if (m_extraGeometries.at(i)->next_key(item, mousePos) == 0) {
                        Mlt::GeometryItem *item2 = new Mlt::GeometryItem();
                        item2->x(item.x());
                        item2->frame(item.frame());
                        m_extraMovingItems.append(item2);
                    } else {
                        m_extraMovingItems.append(NULL);
                    }
                }
                m_dragStart = event->pos();
                return;
            }
        }
    }
    int seekRequest = xPos / m_scale;
    if (seekRequest != m_position) {
        m_seekPosition = seekRequest;
        emit requestSeek(m_seekPosition);
        update();
    }
}