Esempio n. 1
0
long long
RealTime::realTime2Frame(const RealTime &time, unsigned int sr)
{
    if (time < zeroTime) return -realTime2Frame(-time, sr);

    long long sampleRate = sr;

    // We like integers.  The last term is always zero unless the
    // sample rate is greater than 1MHz, but hell, you never know...

    long frame =
	time.sec * sampleRate +
	(time.msec() * sampleRate) / 1000 +
	((time.usec() - 1000 * time.msec()) * sampleRate) / 1000000 +
	((time.nsec - 1000 * time.usec()) * sampleRate) / 1000000000;

    return frame;
}
Esempio n. 2
0
int SegmentMover::mouseMoveEvent(QMouseEvent *e)
{
    // No need to propagate.
    e->accept();

    // If we aren't moving anything, bail.
    if (!getChangingSegment())
        return RosegardenScrollView::NoFollow;

    QPoint pos = m_canvas->viewportToContents(e->pos());

    setSnapTime(e, SnapGrid::SnapToBeat);

    // If shift isn't being held down
    if ((e->modifiers() & Qt::ShiftModifier) == 0) {
        setContextHelp(tr("Hold Shift to avoid snapping to beat grid"));
    } else {
        clearContextHelp();
    }

    const SnapGrid &grid = m_canvas->grid();

    // Compute how far we've moved vertically.
    const int startTrackPos = grid.getYBin(m_clickPoint.y());
    const int currentTrackPos = grid.getYBin(pos.y());
    const int deltaTrack = currentTrackPos - startTrackPos;

    const int dx = pos.x() - m_clickPoint.x();

    Composition &comp = m_doc->getComposition();

    CompositionModelImpl::ChangingSegmentSet &changingSegments =
            m_canvas->getModel()->getChangingSegments();

    // For each changing segment, move it
    for (CompositionModelImpl::ChangingSegmentSet::iterator it =
             changingSegments.begin();
         it != changingSegments.end();
         ++it) {

        ChangingSegmentPtr changingSegment = *it;

        const timeT newStartTime = grid.snapX(changingSegment->savedRect().x() + dx);
        const int newX = int(grid.getRulerScale()->getXForTime(newStartTime));

        int trackPos = grid.getYBin(changingSegment->savedRect().y()) + deltaTrack;
        if (trackPos < 0)
            trackPos = 0;
        if (trackPos >= (int)comp.getNbTracks())
            trackPos = comp.getNbTracks() - 1;
        const int newY = grid.getYBinCoordinate(trackPos);

        changingSegment->moveTo(newX, newY);
        m_changeMade = true;
    }

    if (m_changeMade) {
        // Make sure the segments are redrawn.
        m_canvas->slotUpdateAll();
    }

    // Draw the guides

    int guideX = getChangingSegment()->rect().x();
    int guideY = getChangingSegment()->rect().y();

    m_canvas->drawGuides(guideX, guideY);

    // Format and draw the text float

    timeT guideTime = grid.snapX(guideX);

    RealTime time = comp.getElapsedRealTime(guideTime);

    int bar, beat, fraction, remainder;
    comp.getMusicalTimeForAbsoluteTime(guideTime, bar, beat, fraction, remainder);

    QString timeString = QString("%1.%2s (%3, %4, %5)")
        .arg(time.sec).arg(time.msec(), 3, 10, QChar('0'))
        .arg(bar + 1).arg(beat).arg(fraction);

    m_canvas->drawTextFloat(guideX + 10, guideY - 30, timeString);

	m_canvas->update();

    return RosegardenScrollView::FollowHorizontal |
           RosegardenScrollView::FollowVertical;
}
Esempio n. 3
0
void
TempoDialog::populateTempo()
{
    Composition &comp = m_doc->getComposition();
    tempoT tempo = comp.getTempoAtTime(m_tempoTime);
    std::pair<bool, tempoT> ramping(false, tempo);

    int tempoChangeNo = comp.getTempoChangeNumberAt(m_tempoTime);
    if (tempoChangeNo >= 0) {
        tempo = comp.getTempoChange(tempoChangeNo).second;
        ramping = comp.getTempoRamping(tempoChangeNo, false);
    }

    m_tempoValueSpinBox->setValue(comp.getTempoQpm(tempo));

    if (ramping.first) {
        if (ramping.second) {
            m_tempoTargetSpinBox->setEnabled(true);
            m_tempoTargetSpinBox->setValue(comp.getTempoQpm(ramping.second));
            m_tempoConstant->setChecked(false);
            m_tempoRampToNext->setChecked(false);
            m_tempoRampToTarget->setChecked(true);
        } else {
            ramping = comp.getTempoRamping(tempoChangeNo, true);
            m_tempoTargetSpinBox->setEnabled(false);
            m_tempoTargetSpinBox->setValue(comp.getTempoQpm(ramping.second));
            m_tempoConstant->setChecked(false);
            m_tempoRampToNext->setChecked(true);
            m_tempoRampToTarget->setChecked(false);
        }
    } else {
        m_tempoTargetSpinBox->setEnabled(false);
        m_tempoTargetSpinBox->setValue(comp.getTempoQpm(tempo));
        m_tempoConstant->setChecked(true);
        m_tempoRampToNext->setChecked(false);
        m_tempoRampToTarget->setChecked(false);
    }

    //    m_tempoTargetCheckBox->setChecked(ramping.first);
    m_tempoTargetSpinBox->setEnabled(ramping.first);

    updateBeatLabels(comp.getTempoQpm(tempo));

    if (m_timeEditor) {
        m_timeEditor->slotSetTime(m_tempoTime);
        return ;
    }

    RealTime tempoTime = comp.getElapsedRealTime(m_tempoTime);
    QString milliSeconds;
    milliSeconds.sprintf("%03d", tempoTime.msec());
    m_tempoTimeLabel->setText(tr("%1.%2 s,").arg(tempoTime.sec)
                               .arg(milliSeconds));

    int barNo = comp.getBarNumber(m_tempoTime);
    if (comp.getBarStart(barNo) == m_tempoTime) {
        m_tempoBarLabel->setText
        (tr("at the start of measure %1.").arg(barNo + 1));
        m_tempoChangeStartOfBar->setEnabled(false);
    } else {
        m_tempoBarLabel->setText(
            tr("in the middle of measure %1.").arg(barNo + 1));
        m_tempoChangeStartOfBar->setEnabled(true);
    }

    m_tempoChangeBefore->setEnabled(false);
    m_tempoChangeBeforeAt->setEnabled(false);

    bool havePrecedingTempo = false;

    if (tempoChangeNo >= 0) {

        timeT lastTempoTime = comp.getTempoChange(tempoChangeNo).first;
        if (lastTempoTime < m_tempoTime) {

            RealTime lastRT = comp.getElapsedRealTime(lastTempoTime);
            QString lastms;
            lastms.sprintf("%03d", lastRT.msec());
            int lastBar = comp.getBarNumber(lastTempoTime);
            m_tempoChangeBeforeAt->setText
            (tr("        (at %1.%2 s, in measure %3)").arg(lastRT.sec)
              .arg(lastms).arg(lastBar + 1));
            m_tempoChangeBeforeAt->show();

            m_tempoChangeBefore->setEnabled(true);
            m_tempoChangeBeforeAt->setEnabled(true);

            havePrecedingTempo = true;
        }
    }

    if (comp.getTempoChangeCount() > 0) {

        if (havePrecedingTempo) {
            m_tempoStatusLabel->hide();
        } else {
            m_tempoStatusLabel->setText
            (tr("There are no preceding tempo changes."));
        }

        m_tempoChangeGlobal->setEnabled(true);

    } else {

        m_tempoStatusLabel->setText
        (tr("There are no other tempo changes."));

        m_tempoChangeGlobal->setEnabled(false);
    }

    m_defaultBox->setEnabled(false);
}
Esempio n. 4
0
int
SegmentSelector::mouseMoveEvent(QMouseEvent *e)
{
    // No need to propagate.
    e->accept();

    QPoint pos = m_canvas->viewportToContents(e->pos());
    m_lastMousePos = pos;

    // If no buttons are pressed, update the context help and bail.
    // Note: Mouse tracking must be on for this to work.  See
    //       QWidget::setMouseTracking().
    if (e->buttons() == Qt::NoButton) {
        setContextHelpFor(pos, e->modifiers());
        return RosegardenScrollView::NoFollow;
    }

    // If another tool has taken over, delegate.
    if (m_dispatchTool)
        return m_dispatchTool->mouseMoveEvent(e);

    // We only handle the left button.  The middle button is handled by
    // the dispatch tool (segment pencil) or ignored.
    if (e->buttons() != Qt::LeftButton)
        return RosegardenScrollView::NoFollow;

    // If we aren't moving anything, rubber band.
    if (!getChangingSegment()) {
        m_canvas->drawSelectionRectPos2(pos);
        m_canvas->getModel()->selectionHasChanged();

        return RosegardenScrollView::FollowHorizontal |
               RosegardenScrollView::FollowVertical;
    }

    // Moving

    // If the segment that was clicked on isn't selected, bail.
    if (!m_canvas->getModel()->isSelected(getChangingSegment()->getSegment()))
        return RosegardenScrollView::NoFollow;

    const int dx = pos.x() - m_clickPoint.x();
    const int dy = pos.y() - m_clickPoint.y();
    const int inertiaDistance = 8;

    // If we've not already exceeded the inertia distance, and we
    // still haven't, bail.
    if (!m_passedInertiaEdge  &&
        abs(dx) < inertiaDistance  &&
        abs(dy) < inertiaDistance) {
        return RosegardenScrollView::NoFollow;
    }

    m_passedInertiaEdge = true;

    m_canvas->viewport()->setCursor(Qt::SizeAllCursor);

#if 0
// ??? Moving to mouseReleaseEvent().
    if (m_segmentCopyMode  &&  !m_segmentQuickCopyDone) {
        // Make copies of the original Segment(s).  These copies will
        // take the place of the originals as the user drags the
        // the originals to a new location.

        MacroCommand *macroCommand = 0;
        
        if (m_segmentCopyingAsLink) {
            macroCommand = new MacroCommand(
                    SegmentQuickLinkCommand::getGlobalName());
        } else {
            macroCommand = new MacroCommand(
                    SegmentQuickCopyCommand::getGlobalName());
        }

        SegmentSelection selectedItems = m_canvas->getSelectedSegments();

        // for each selected segment
        for (SegmentSelection::iterator it = selectedItems.begin();
             it != selectedItems.end();
             ++it) {
            Segment *segment = *it;

            Command *command = 0;

            if (m_segmentCopyingAsLink) {
                command = new SegmentQuickLinkCommand(segment);
            } else {
                // if it's a link, copy as link
                if (segment->isTrulyLinked())
                    command = new SegmentQuickLinkCommand(segment);
                else  // copy as a non-link segment
                    command = new SegmentQuickCopyCommand(segment);
            }

            macroCommand->addCommand(command);
        }

        CommandHistory::getInstance()->addCommand(macroCommand);

        m_canvas->update();

        // Make sure we don't do it again.
        m_segmentQuickCopyDone = true;
    }
#endif

    setSnapTime(e, SnapGrid::SnapToBeat);

    // start move on selected items only once
    if (!m_selectionMoveStarted) {
        m_selectionMoveStarted = true;

        m_canvas->getModel()->startChangeSelection(
                m_segmentCopyMode ? CompositionModelImpl::ChangeCopy :
                                    CompositionModelImpl::ChangeMove);

        // The call to startChangeSelection() generates a new changing segment.
        // Get it.
        ChangingSegmentPtr newChangingSegment =
                m_canvas->getModel()->findChangingSegment(
                          getChangingSegment()->getSegment());

        if (newChangingSegment) {
            // Toss the local "changing" segment since it isn't going to
            // be moving at all.  Swap it for the same changing segment in
            // CompositionModelImpl.  That one *will* be moving and can be
            // used to drive the guides.
            setChangingSegment(newChangingSegment);
        }
    }

    // Display help for the Shift key.
    setContextHelpFor(pos, e->modifiers());

    Composition &comp = m_doc->getComposition();

    const int startDragTrackPos = m_canvas->grid().getYBin(m_clickPoint.y());
    const int currentTrackPos = m_canvas->grid().getYBin(pos.y());
    const int trackDiff = currentTrackPos - startDragTrackPos;

    CompositionModelImpl::ChangingSegmentSet &changingSegments =
            m_canvas->getModel()->getChangingSegments();

    // For each changing segment
    for (CompositionModelImpl::ChangingSegmentSet::iterator it =
                 changingSegments.begin();
         it != changingSegments.end();
         ++it) {
        ChangingSegmentPtr changingSegment = *it;

        const timeT newStartTime = m_canvas->grid().snapX(
                changingSegment->savedRect().x() + dx);

        const int newX = lround(
                m_canvas->grid().getRulerScale()->getXForTime(newStartTime));

        int newTrackPos = m_canvas->grid().getYBin(
                changingSegment->savedRect().y()) + trackDiff;

        // Limit to [0, comp.getNbTracks()-1].
        if (newTrackPos < 0)
            newTrackPos = 0;
        if (newTrackPos > static_cast<int>(comp.getNbTracks()) - 1)
            newTrackPos = comp.getNbTracks() - 1;

        const int newY = m_canvas->grid().getYBinCoordinate(newTrackPos);

        changingSegment->moveTo(newX, newY);
        m_changeMade = true;
    }

    if (m_changeMade) {
        // Make sure the segments are redrawn.
        // Note: The update() call below doesn't cause the segments to be
        //       redrawn.  It just updates from the cache.
        m_canvas->slotUpdateAll();
    }

    // Guides

    const int guideX = getChangingSegment()->rect().x();
    const int guideY = getChangingSegment()->rect().y();

    m_canvas->drawGuides(guideX, guideY);

    // Text Float

    const timeT guideTime = m_canvas->grid().snapX(guideX);

    RealTime time = comp.getElapsedRealTime(guideTime);
    QString msecs;
    msecs.sprintf("%03d", time.msec());

    int bar;
    int beat;
    int fraction;
    int remainder;
    comp.getMusicalTimeForAbsoluteTime(guideTime, bar, beat, fraction, remainder);

    QString posString = QString("%1.%2s (%3, %4, %5)").
            arg(time.sec).arg(msecs).arg(bar + 1).arg(beat).arg(fraction);

    m_canvas->drawTextFloat(guideX + 10, guideY - 30, posString);

    m_canvas->update();

    return RosegardenScrollView::FollowHorizontal |
           RosegardenScrollView::FollowVertical;
}
Esempio n. 5
0
JNIEXPORT jint JNICALL
Java_org_vamp_1plugins_RealTime_msec(JNIEnv *env, jobject obj)
{
    RealTime rt = getRealTime(env, obj);
    return rt.msec();
}