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Process insertions and moves in the ComputerModel without resetting

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This commit is contained in:
Cameron Gutman
2023-09-03 16:19:24 -05:00
parent 6a854f7a64
commit 94d821a4a9
1 changed files with 27 additions and 11 deletions
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38
app/gui/computermodel.cpp
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@@ -186,20 +186,36 @@ void ComputerModel::handlePairingCompleted(NvComputer*, QString error)
void ComputerModel::handleComputerStateChanged(NvComputer* computer)
{
// If this is an existing computer, we can report the data changed
int index = m_Computers.indexOf(computer);
if (index >= 0) {
// Let the view know that this specific computer changed
emit dataChanged(createIndex(index, 0), createIndex(index, 0));
QVector<NvComputer*> newComputerList = m_ComputerManager->getComputers();
// Check if this PC was added or moved
int newListIndex = newComputerList.indexOf(computer);
int oldListIndex = m_Computers.indexOf(computer);
if (newListIndex != oldListIndex) {
// We should never learn of a removal in this callback
Q_ASSERT(newListIndex != -1);
// If the PC was present in the old list, remove it to reinsert it.
if (oldListIndex != -1) {
beginRemoveRows(QModelIndex(), oldListIndex, oldListIndex);
m_Computers.remove(oldListIndex);
endRemoveRows();
}
// Insert the PC in the new location
beginInsertRows(QModelIndex(), newListIndex, newListIndex);
m_Computers.emplace(newListIndex, computer);
endInsertRows();
}
else {
// This is a new PC which may be inserted at an arbitrary point
// in our computer list (since it comes from CM's QMap). Reload
// the whole model state to ensure it stays consistent.
beginResetModel();
m_Computers = m_ComputerManager->getComputers();
endResetModel();
Q_ASSERT(oldListIndex != -1);
// Let the view know that this specific computer changed
emit dataChanged(createIndex(newListIndex, 0), createIndex(newListIndex, 0));
}
// The old and new vectors should be equivalent
Q_ASSERT(newComputerList == m_Computers);
}
#include "computermodel.moc"