void
TreeCanvas::mousePressEvent(QMouseEvent* event) {
if (mutex.tryLock()) {
if (event->button() == Qt::LeftButton) {
VisualNode* n = eventNode(event);
if (compareNodes) {
if (n != NULL && n->getStatus() != UNDETERMINED &&
currentNode != NULL &&
currentNode->getStatus() != UNDETERMINED) {
Space* curSpace = NULL;
Space* compareSpace = NULL;
for (int i=0; i<comparators.size(); i++) {
if (comparators[i].second) {
if (curSpace == NULL) {
curSpace = currentNode->getSpace(*na,curBest,c_d,a_d);
if (!compareNodesBeforeFP || n->isRoot()) {
compareSpace = n->getSpace(*na,curBest,c_d,a_d);
} else {
VisualNode* p = n->getParent(*na);
compareSpace = p->getSpace(*na,curBest,c_d,a_d);
switch (compareSpace->status()) {
case SS_SOLVED:
case SS_FAILED:
break;
case SS_BRANCH:
compareSpace->commit(*p->getChoice(),
n->getAlternative(*na));
break;
default:
GECODE_NEVER;
}
}
}
try {
comparators[i].first->compare(*curSpace,*compareSpace);
} catch (Exception& e) {
qFatal("Exception in comparator %d: %s.\n Stopping.",
i, e.what());
}
}
}
}
} else {
setCurrentNode(n);
}
compareNodes = false;
setCursor(QCursor(Qt::ArrowCursor));
if (n != NULL) {
event->accept();
mutex.unlock();
return;
}
}
mutex.unlock();
}
event->ignore();
}
void
TreeCanvas::contextMenuEvent(QContextMenuEvent* event) {
if (mutex.tryLock()) {
VisualNode* n = eventNode(event);
if (n != NULL) {
setCurrentNode(n);
emit contextMenu(event);
event->accept();
mutex.unlock();
return;
}
mutex.unlock();
}
event->ignore();
}
void
TreeCanvas::mouseDoubleClickEvent(QMouseEvent* event) {
if (mutex.tryLock()) {
if(event->button() == Qt::LeftButton) {
VisualNode* n = eventNode(event);
if(n == currentNode) {
inspectCurrentNode();
event->accept();
mutex.unlock();
return;
}
}
mutex.unlock();
}
event->ignore();
}
bool
TreeCanvas::event(QEvent* event) {
if (mutex.tryLock()) {
if (event->type() == QEvent::ToolTip) {
VisualNode* n = eventNode(event);
if (n != NULL && !n->isHidden() &&
(n->getStatus() == BRANCH || n->getStatus() == STOP)) {
QHelpEvent* he = static_cast<QHelpEvent*>(event);
QToolTip::showText(he->globalPos(),
QString(n->toolTip(curBest,c_d,a_d).c_str()));
} else {
QToolTip::hideText();
}
}
mutex.unlock();
}
return QWidget::event(event);
}