void QtGradientStopsWidgetPrivate::setupMove(QtGradientStop *stop, int x)
{
m_model->setCurrentStop(stop);
int viewportX = qRound(toViewport(stop->position()));
m_moveOffset = x - viewportX;
QList<QtGradientStop *> stops = m_stops;
m_stops.clear();
QListIterator<QtGradientStop *> itStop(stops);
while (itStop.hasNext()) {
QtGradientStop *s = itStop.next();
if (m_model->isSelected(s) || s == stop) {
m_moveStops[s] = s->position() - stop->position();
m_stops.append(s);
} else {
m_moveOriginal[s->position()] = s->color();
}
}
itStop.toFront();
while (itStop.hasNext()) {
QtGradientStop *s = itStop.next();
if (!m_model->isSelected(s))
m_stops.append(s);
}
m_stops.removeAll(stop);
m_stops.prepend(stop);
}
QGradientStops QtGradientStopsController::gradientStops() const
{
QGradientStops stops;
QList<QtGradientStop *> stopsList = d_ptr->m_model->stops().values();
QListIterator<QtGradientStop *> itStop(stopsList);
while (itStop.hasNext()) {
QtGradientStop *stop = itStop.next();
stops << QPair<qreal, QColor>(stop->position(), stop->color());
}
return stops;
}
void QtGradientStopsControllerPrivate::slotChangeColor(const QColor &color)
{
QtGradientStop *stop = m_model->currentStop();
if (!stop)
return;
m_model->changeStop(stop, color);
QList<QtGradientStop *> stops = m_model->selectedStops();
QListIterator<QtGradientStop *> itStop(stops);
while (itStop.hasNext()) {
QtGradientStop *s = itStop.next();
if (s != stop)
m_model->changeStop(s, color);
}
}
QtGradientStop *QtGradientStopsWidgetPrivate::stopAt(const QPoint &viewportPos) const
{
double posY = m_handleSize / 2;
QListIterator<QtGradientStop *> itStop(m_stops);
while (itStop.hasNext()) {
QtGradientStop *stop = itStop.next();
double posX = toViewport(stop->position());
double x = viewportPos.x() - posX;
double y = viewportPos.y() - posY;
if ((m_handleSize * m_handleSize / 4) > (x * x + y * y))
return stop;
}
return 0;
}
void QtGradientStopsControllerPrivate::slotChangeHue(const QColor &color)
{
QtGradientStop *stop = m_model->currentStop();
if (!stop)
return;
m_model->changeStop(stop, color);
QList<QtGradientStop *> stops = m_model->selectedStops();
QListIterator<QtGradientStop *> itStop(stops);
while (itStop.hasNext()) {
QtGradientStop *s = itStop.next();
if (s != stop) {
QColor c = s->color();
if (m_ui->hsvRadioButton->isChecked())
c.setHsvF(color.hueF(), c.saturationF(), c.valueF(), c.alphaF());
else
c.setRgbF(color.redF(), c.greenF(), c.blueF(), c.alphaF());
m_model->changeStop(s, c);
}
}
}
void QtGradientStopsModel::flipAll()
{
QMap<qreal, QtGradientStop *> stopsMap = stops();
QMapIterator<qreal, QtGradientStop *> itStop(stopsMap);
itStop.toBack();
QMap<QtGradientStop *, bool> swappedList;
while (itStop.hasPrevious()) {
itStop.previous();
QtGradientStop *stop = itStop.value();
if (swappedList.contains(stop))
continue;
const double newPos = 1.0 - itStop.key();
if (stopsMap.contains(newPos)) {
QtGradientStop *swapped = stopsMap.value(newPos);
swappedList[swapped] = true;
swapStops(stop, swapped);
} else {
moveStop(stop, newPos);
}
}
}