/*! \internal
Adds \a item to the grid. The items are added from top-left to
bottom-right.
*/
void ColorPickerPopup::insertColor(const QColor &col, const QString &text, int index)
{
// Don't add colors that we have already.
ColorPickerItem *existingItem = find(col);
ColorPickerItem *lastSelectedItem = find(lastSelected());
if (existingItem) {
if (lastSelectedItem && existingItem != lastSelectedItem)
lastSelectedItem->setSelected(false);
existingItem->setFocus();
existingItem->setSelected(true);
return;
}
ColorPickerItem *item = new ColorPickerItem(this, col, text, this);
if (lastSelectedItem) {
lastSelectedItem->setSelected(false);
}
else {
item->setSelected(true);
lastSel = col;
}
item->setFocus();
connect(item, SIGNAL(selected()), SLOT(updateSelected()));
if (index == -1)
index = items.count();
items.insert((unsigned int)index, item);
regenerateGrid();
update();
}
void QtGradientStopsModel::moveStops(double newPosition)
{
QtGradientStop *current = currentStop();
if (!current)
return;
double newPos = newPosition;
if (newPos > 1)
newPos = 1;
else if (newPos < 0)
newPos = 0;
if (newPos == current->position())
return;
double offset = newPos - current->position();
QtGradientStop *first = firstSelected();
QtGradientStop *last = lastSelected();
if (first && last) { // multiselection
double maxOffset = 1.0 - last->position();
double minOffset = -first->position();
if (offset > maxOffset)
offset = maxOffset;
else if (offset < minOffset)
offset = minOffset;
}
if (offset == 0)
return;
bool forward = (offset > 0) ? false : true;
PositionStopMap stopList;
QList<QtGradientStop *> selected = selectedStops();
QListIterator<QtGradientStop *> it(selected);
while (it.hasNext()) {
QtGradientStop *stop = it.next();
stopList[stop->position()] = stop;
}
stopList[current->position()] = current;
PositionStopMap::ConstIterator itStop = forward ? stopList.constBegin() : stopList.constEnd();
while (itStop != (forward ? stopList.constEnd() : stopList.constBegin())) {
if (!forward)
--itStop;
QtGradientStop *stop = itStop.value();
double pos = stop->position() + offset;
if (pos > 1)
pos = 1;
if (pos < 0)
pos = 0;
if (current == stop)
pos = newPos;
QtGradientStop *oldStop = at(pos);
if (oldStop && !stopList.values().contains(oldStop))
removeStop(oldStop);
moveStop(stop, pos);
if (forward)
++itStop;
}
}
