void
NodeGraph::moveSelectedNodesBy(bool shiftdown,
bool controlDown,
const QPointF& lastMousePosScene,
const QPointF& newPos,
const QRectF& visibleSceneR,
bool userEdit)
{
if ( _imp->_selection.empty() ) {
return;
}
//Get the nodes to move, taking into account the backdrops
std::list<std::pair<NodeGuiPtr, bool> > nodesToMove;
for (NodesGuiList::iterator it = _imp->_selection.begin();
it != _imp->_selection.end(); ++it) {
const NodeGuiPtr& node = *it;
nodesToMove.push_back( std::make_pair(node, false) );
std::map<NodeGuiPtr, NodesGuiList>::iterator foundBd = _imp->_nodesWithinBDAtPenDown.find(*it);
if ( !controlDown && ( foundBd != _imp->_nodesWithinBDAtPenDown.end() ) ) {
for (NodesGuiList::iterator it2 = foundBd->second.begin();
it2 != foundBd->second.end(); ++it2) {
///add it only if it's not already in the list
bool found = false;
for (std::list<std::pair<NodeGuiPtr, bool> >::iterator it3 = nodesToMove.begin();
it3 != nodesToMove.end(); ++it3) {
if (it3->first == *it2) {
found = true;
break;
}
}
if (!found) {
nodesToMove.push_back( std::make_pair(*it2, true) );
}
}
}
}
//The delta
double dxScene = newPos.x() - lastMousePosScene.x();
double dyScene = newPos.y() - lastMousePosScene.y();
//Move all nodes
bool deltaSet = false;
for (std::list<std::pair<NodeGuiPtr, bool> >::iterator it = nodesToMove.begin();
it != nodesToMove.end(); ++it) {
//The current position
QPointF pos = it->first->getPos_mt_safe();
//if ignoreMagnet == true, we do not snap nodes to horizontal/vertical positions
bool ignoreMagnet = it->second || nodesToMove.size() > 1;
it->first->refreshPosition(pos.x() + dxScene, pos.y() + dyScene, ignoreMagnet, newPos);
//The new position
QPointF newNodePos = it->first->getPos_mt_safe();
if (!ignoreMagnet) {
//Magnet only works when selection is only for a single node
//Adjust the delta since mouse press by the new position after snapping
assert(nodesToMove.size() == 1);
_imp->_deltaSinceMousePress.rx() += newNodePos.x() - pos.x();
_imp->_deltaSinceMousePress.ry() += newNodePos.y() - pos.y();
deltaSet = true;
}
}
if (!deltaSet) {
_imp->_deltaSinceMousePress.rx() += dxScene;
_imp->_deltaSinceMousePress.ry() += dyScene;
}
if (!userEdit) {
//For !userEdit do not do auto-scroll and connections hints
return;
}
//Start auto-scolling if nearby the edges
checkAndStartAutoScrollTimer(newPos);
//Set the hand cursor
_imp->cursorSet = true;
setCursor(Qt::ClosedHandCursor);
//The lines below are trying to
if (_imp->_selection.size() != 1) {
return;
}
checkForHints(shiftdown, controlDown, _imp->_selection.front(), visibleSceneR);
} // NodeGraph::moveSelectedNodesBy
void
NodeGraph::moveSelectedNodesBy(bool shiftdown,
bool controlDown,
const QPointF& lastMousePosScene,
const QPointF& newPos,
const QRectF& visibleSceneR,
bool userEdit)
{
if ( _imp->_selection.empty() ) {
return;
}
//Get the nodes to move, taking into account the backdrops
bool ignoreMagnet = false;
std::set<NodeGuiPtr> nodesToMove;
for (NodesGuiWList::iterator it = _imp->_selection.begin();
it != _imp->_selection.end(); ++it) {
NodeGuiPtr node = it->lock();
if (!node) {
continue;
}
nodesToMove.insert(node);
std::map<NodeGuiPtr, NodesGuiList>::iterator foundBd = _imp->_nodesWithinBDAtPenDown.find(node);
if ( !controlDown && ( foundBd != _imp->_nodesWithinBDAtPenDown.end() ) ) {
ignoreMagnet = true; // we move a backdrop, ignore magnet
for (NodesGuiList::iterator it2 = foundBd->second.begin();
it2 != foundBd->second.end(); ++it2) {
///add it only if it's not already in the list
nodesToMove.insert(*it2);
}
}
}
if (!ignoreMagnet && nodesToMove.size() > 1) {
ignoreMagnet = true;
}
//The delta
double dxScene = newPos.x() - lastMousePosScene.x();
double dyScene = newPos.y() - lastMousePosScene.y();
//Move all nodes
bool deltaSet = false;
for (std::set<NodeGuiPtr>::iterator it = nodesToMove.begin();
it != nodesToMove.end(); ++it) {
//The current position
QPointF pos = (*it)->pos();
//if ignoreMagnet == true, we do not snap nodes to horizontal/vertical positions
(*it)->refreshPosition(pos.x() + dxScene, pos.y() + dyScene, ignoreMagnet, newPos);
//The new position
QPointF newNodePos = (*it)->pos();
if (!ignoreMagnet) {
//Magnet only works when selection is only for a single node
//Adjust the delta since mouse press by the new position after snapping
assert(nodesToMove.size() == 1);
_imp->_deltaSinceMousePress.rx() += newNodePos.x() - pos.x();
_imp->_deltaSinceMousePress.ry() += newNodePos.y() - pos.y();
deltaSet = true;
}
}
if (!deltaSet) {
_imp->_deltaSinceMousePress.rx() += dxScene;
_imp->_deltaSinceMousePress.ry() += dyScene;
}
if (!userEdit) {
//For !userEdit do not do auto-scroll and connections hints
return;
}
//Start auto-scolling if nearby the edges
checkAndStartAutoScrollTimer(newPos);
//The lines below are trying to
if (_imp->_selection.size() != 1) {
return;
}
checkForHints(shiftdown, controlDown, _imp->_selection.front().lock(), visibleSceneR);
} // NodeGraph::moveSelectedNodesBy
