示例#1
0
MatrixResizer::FollowMode
MatrixResizer::handleMouseMove(const MatrixMouseEvent *e)
{
    if (!e) return NoFollow;

    setBasicContextHelp();

    if (!m_currentElement || !m_currentViewSegment) return NoFollow;

    if (getSnapGrid()->getSnapSetting() != SnapGrid::NoSnap) {
        setContextHelp(tr("Hold Shift to avoid snapping to beat grid"));
    } else {
        clearContextHelp();
    }

    // snap in the closest direction
    timeT snapTime = e->snappedLeftTime;
    if (e->snappedRightTime - e->time < e->time - e->snappedLeftTime) {
        snapTime = e->snappedRightTime;
    }

    timeT newDuration = snapTime - m_currentElement->getViewAbsoluteTime();
    timeT durationDiff = newDuration - m_currentElement->getViewDuration();

    EventSelection* selection = m_scene->getSelection();
    if (!selection || selection->getAddedEvents() == 0) return NoFollow;

    EventSelection::eventcontainer::iterator it =
        selection->getSegmentEvents().begin();

    for (; it != selection->getSegmentEvents().end(); ++it) {

        MatrixElement *element = 0;
        ViewElementList::iterator vi = m_currentViewSegment->findEvent(*it);
        if (vi != m_currentViewSegment->getViewElementList()->end()) {
            element = static_cast<MatrixElement *>(*vi);
        }
        if (!element) continue;

        timeT t = element->getViewAbsoluteTime();
        timeT d = element->getViewDuration();
        
        d = d + durationDiff;
        if (d < 0) {
            t = t + d;
            d = -d;
        } else if (d == 0) {
            d = getSnapGrid()->getSnapTime(t);
        }

        element->reconfigure(t, d);
//            m_currentStaff->positionElement(element);
//        }
    }

//    m_mParentView->canvas()->update();
    return FollowHorizontal;
}
示例#2
0
void SegmentSelector::setContextHelpFor(QPoint pos,
                                        Qt::KeyboardModifiers modifiers)
{
    // If we are moving something
    if (m_selectionMoveStarted)
    {
        const bool shift = ((modifiers & Qt::ShiftModifier) != 0);

        // If shift isn't being held down
        if (!shift) {
            setContextHelp(tr("Hold Shift to avoid snapping to beat grid"));
        } else {
            clearContextHelp();
        }

        return;
    }

    ChangingSegmentPtr segment = m_canvas->getModel()->getSegmentAt(pos);

    // If the mouse is hovering over the background
    if (!segment) {
        setContextHelp(tr("Click and drag to select segments; middle-click and drag to draw an empty segment"));
        return;
    }

    // The mouse is hovering over a segment.

    const bool ctrl = ((modifiers & Qt::ControlModifier) != 0);

    // If clicking would resize
    if (m_canvas->getModel()->getSelectedSegments().size() <= 1  &&
        isNearEdge(segment->rect(), pos)) {

        if (!ctrl) {
            setContextHelp(tr("Click and drag to resize a segment; hold Ctrl as well to rescale its contents"));
        } else {
            setContextHelp(tr("Click and drag to rescale segment"));
        }
    } else {  // clicking would move
        if (m_canvas->getModel()->haveMultipleSelection()) {
            if (!ctrl) {
                setContextHelp(tr("Click and drag to move segments; hold Ctrl as well to copy them; Ctrl + Alt for linked copies"));
            } else {
                setContextHelp(tr("Click and drag to copy segments"));
            }
        } else {
            if (!ctrl) {
                setContextHelp(tr("Click and drag to move segment; hold Ctrl as well to copy it; Ctrl + Alt for a linked copy; double-click to edit"));
            } else {
                setContextHelp(tr("Click and drag to copy segment"));
            }
        }
    }
}
示例#3
0
int SegmentPencil::mouseMoveEvent(QMouseEvent *e)
{
    // No need to propagate.
    e->accept();

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

    if (!m_newRect) {
        setContextHelpFor(pos);
        return RosegardenScrollView::NoFollow;
    }

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

    QRect tmpRect = m_canvas->getNewSegmentRect();

    SnapGrid &snapGrid = m_canvas->grid();

    setSnapTime(e, SnapGrid::SnapToBar);

    int mouseX = pos.x();
    
    // if mouse X is to the right of the original Press point
    if (mouseX >= m_pressX) {
        m_startTime = snapGrid.snapX(m_pressX, SnapGrid::SnapLeft);
        m_endTime = snapGrid.snapX(mouseX, SnapGrid::SnapRight);

        // Make sure the segment is never smaller than the smallest note.
        if (m_endTime - m_startTime < Note(Note::Shortest).getDuration())
            m_endTime = m_startTime + Note(Note::Shortest).getDuration();
    } else {  // we are to the left of the original Press point
        m_startTime = snapGrid.snapX(mouseX, SnapGrid::SnapLeft);
        m_endTime = snapGrid.snapX(m_pressX, SnapGrid::SnapRight);

        // Make sure the segment is never smaller than the smallest note.
        if (m_endTime - m_startTime < Note(Note::Shortest).getDuration())
            m_startTime = m_endTime - Note(Note::Shortest).getDuration();
    }

    int leftX = snapGrid.getRulerScale()->getXForTime(m_startTime);
    int rightX = snapGrid.getRulerScale()->getXForTime(m_endTime);

    // Adjust the rectangle to go from leftX to rightX
    tmpRect.setLeft(leftX);
    tmpRect.setRight(rightX);

    m_canvas->drawNewSegment(tmpRect);
    return RosegardenScrollView::FollowHorizontal;
}
示例#4
0
MatrixSelector::FollowMode
MatrixSelector::handleMouseMove(const MatrixMouseEvent *e)
{
    if (m_dispatchTool) {
        return m_dispatchTool->handleMouseMove(e);
    }

    if (!m_updateRect) {
        setContextHelpFor
            (e, getSnapGrid()->getSnapSetting() == SnapGrid::NoSnap);
        return NoFollow;
    } else {
        clearContextHelp();
    }

    QPointF p0(m_selectionOrigin);
    QPointF p1(e->sceneX, e->sceneY);
    QRectF r = QRectF(p0, p1).normalized();

    m_selectionRect->setRect(r.x() + 0.5, r.y() + 0.5, r.width(), r.height());
    m_selectionRect->show();

    setViewCurrentSelection(false);

    

/*
    int w = int(p.x() - m_selectionRect->x());
    int h = int(p.y() - m_selectionRect->y());

    // Qt rectangle dimensions appear to be 1-based
    if (w > 0)
        ++w;
    else
        --w;
    if (h > 0)
        ++h;
    else
        --h;

    // Workaround for #930420 Positional error in sweep-selection box boundary
    int wFix = (w > 0) ? 3 : 0;
    int hFix = (h > 0) ? 3 : 0;
    int xFix = (w < 0) ? 3 : 0;
    m_selectionRect->setSize(w - wFix, h - hFix);
    m_selectionRect->setX(m_selectionRect->x() + xFix);
    setViewCurrentSelection();
    m_selectionRect->setSize(w, h);
    m_selectionRect->setX(m_selectionRect->x() - xFix);
    m_widget->canvas()->update();
*/
    return FollowMode(FollowHorizontal | FollowVertical);
}
示例#5
0
void SegmentMover::setContextHelp2(Qt::KeyboardModifiers modifiers)
{
    // If we're moving something
    if (getChangingSegment()) {
        bool shift = ((modifiers & Qt::ShiftModifier) != 0);

        // If shift isn't being held down
        if (!shift) {
            setContextHelp(tr("Hold Shift to avoid snapping to beat grid"));
        } else {
            clearContextHelp();
        }

        return;
    }

    setContextHelp(tr("Click and drag to move a segment"));
}
示例#6
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;
}