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Possibly fix crash when room is cleared on event delegate

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This commit is contained in:
Nicolas Werner 2023-11-01 20:57:39 +01:00
parent 7982c2bd75
commit 81cf29f924
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GPG key ID: C8D75E610773F2D9
1 changed files with 55 additions and 44 deletions
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31
src/timeline/EventDelegateChooser.cpp
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@ -162,10 +162,13 @@ EventDelegateChooser::DelegateIncubator::setInitialState(QObject *obj)
// setInitialProperties(rolesToSet);
auto update =
[this, obj, roleToPropIdx = std::move(roleToPropIdx)](const QList<int> &changedRoles) {
auto update = [this, obj, roleToPropIdx = std::move(roleToPropIdx)](
const QList<int> &changedRoles, TimelineModel *room) {
if (!room)
return;
if (changedRoles.empty() || changedRoles.contains(TimelineModel::Roles::Type)) {
int type = chooser.room_
int type = room
->dataById(currentId,
TimelineModel::Roles::Type,
forReply ? chooser.eventId_ : QString())
@ -195,8 +198,7 @@ EventDelegateChooser::DelegateIncubator::setInitialState(QObject *obj)
return;
auto mo = obj->metaObject();
chooser.room_->multiData(
currentId, forReply ? chooser.eventId_ : QString(), rolesToRequest);
room->multiData(currentId, forReply ? chooser.eventId_ : QString(), rolesToRequest);
Qt::beginPropertyUpdateGroup();
for (const auto &role : rolesToRequest) {
@ -211,18 +213,27 @@ EventDelegateChooser::DelegateIncubator::setInitialState(QObject *obj)
chooser.room_,
&QAbstractItemModel::dataChanged,
obj,
[row, update](const QModelIndex &topLeft,
[row, update, room = chooser.room_](const QModelIndex &topLeft,
const QModelIndex &bottomRight,
const QList<int> &changedRoles) {
if (row < topLeft.row() || row > bottomRight.row())
return;
update(changedRoles);
update(changedRoles, room);
},
Qt::QueuedConnection);
connect(&this->chooser, &EventDelegateChooser::destroyed, obj, [connection]() {
QObject::disconnect(connection);
});
connect(
&this->chooser,
&EventDelegateChooser::destroyed,
obj,
[connection]() { QObject::disconnect(connection); },
Qt::SingleShotConnection);
connect(
&this->chooser,
&EventDelegateChooser::roomChanged,
obj,
[connection]() { QObject::disconnect(connection); },
Qt::SingleShotConnection);
}
}