void TrackView::setEditTrack(int newEditTrack, bool selecting)
{
if (0 == getTrackCount()) return;
int oldEditTrack = editTrack;
editTrack = newEditTrack;
// clamp to document
editTrack = qBound(0, editTrack, getTrackCount() - 1);
if (oldEditTrack != editTrack) {
updateSelection(QPoint(editTrack, editRow), selecting);
onTrackHeaderChanged(oldEditTrack);
onTrackHeaderChanged(editTrack);
dirtyPosition();
dirtyCurrentValue();
}
if (viewport()->width() > 0) {
int viewportWidth = viewport()->width() - leftMarginWidth;
int minX = getLogicalX(editTrack);
int maxX = getLogicalX(editTrack + 1);
if (minX < scrollPosX)
setScrollPos(minX, scrollPosY);
else if (maxX > scrollPosX + viewportWidth)
setScrollPos(maxX - viewportWidth, scrollPosY);
} else
setupScrollBars();
}
TrackView::TrackView(SyncPage *page, QWidget *parent) :
QAbstractScrollArea(parent),
page(page),
windowRows(0),
readOnly(false),
dragging(false)
{
Q_ASSERT(page);
lineEdit = new QLineEdit(this);
lineEdit->setAutoFillBackground(true);
lineEdit->hide();
QDoubleValidator *lineEditValidator = new QDoubleValidator();
lineEditValidator->setNotation(QDoubleValidator::StandardNotation);
lineEditValidator->setLocale(QLocale::c());
lineEdit->setValidator(lineEditValidator);
QObject::connect(lineEdit, SIGNAL(editingFinished()), this, SLOT(onEditingFinished()));
viewport()->setAutoFillBackground(false);
setFocus(Qt::OtherFocusReason);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
scrollPosX = 0;
scrollPosY = 0;
editRow = 0;
editTrack = 0;
selectionStart = selectionEnd = QPoint(0, 0);
updateFont(fontMetrics());
updatePalette();
stepPen = QPen();
lerpPen = QPen(QBrush(Qt::red), 2);
smoothPen = QPen(QBrush(Qt::green), 2);
rampPen = QPen(QBrush(Qt::blue), 2);
editBrush = Qt::yellow;
bookmarkBrush = QColor(128, 128, 255);
handCursor = QCursor(Qt::OpenHandCursor);
setMouseTracking(true);
setupScrollBars();
QObject::connect(horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(onHScroll(int)));
QObject::connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(onVScroll(int)));
QObject::connect(page, SIGNAL(trackHeaderChanged(int)), this, SLOT(onTrackHeaderChanged(int)));
QObject::connect(page, SIGNAL(trackDataChanged(int, int, int)), this, SLOT(onTrackDataChanged(int, int, int)));
}
ThumbnailList::ThumbnailList(QWidget * parent) :
QGraphicsView(parent),
packet_(NULL),
current_page_(NULL),
scene_(NULL),
layout_(NULL),
context_thumb_(NULL),
act_select_all_(NULL),
act_recognize_(NULL),
act_save_as_(NULL),
act_properties_(NULL),
act_delete_(NULL),
act_open_external_(NULL)
{
setAcceptDrops(true);
setupLayout();
setupScrollBars();
setupActions();
setupScene();
}
void TrackView::setRows(int rows)
{
viewport()->update();
setEditRow(qMin(editRow, rows - 1), false);
setupScrollBars();
}
void TrackView::resizeEvent(QResizeEvent *event)
{
windowRows = (event->size().height() - topMarginHeight) / rowHeight;
setEditRow(editRow, false);
setupScrollBars();
}
