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;
}
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"));
}
}
}
}
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;
}
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);
}
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"));
}
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;
}