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wayland: Track already existing subsurfaces in SubSurfaceMonitor

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When the monitor is created, the surface may already have child
sub-surfaces. The childSubSurfaceAdded signal won't be emitted for them,
we need to handle this case explicitly.

BUG: 433511
FIXED-IN: 5.21.2
This commit is contained in:
Vlad Zahorodnii 2021-02-24 10:21:44 +02:00
parent 73dd65f452
commit e1279e516c
1 changed files with 5 additions and 0 deletions
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5
src/subsurfacemonitor.cpp
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@ -66,6 +66,11 @@ void SubSurfaceMonitor::registerSurface(SurfaceInterface *surface)
this, &SubSurfaceMonitor::registerSubSurface);
connect(surface, &SurfaceInterface::childSubSurfaceRemoved,
this, &SubSurfaceMonitor::unregisterSubSurface);
const QList<SubSurfaceInterface *> childSubSurfaces = surface->childSubSurfaces();
for (SubSurfaceInterface *childSubSurface : childSubSurfaces) {
registerSubSurface(childSubSurface);
}
}
void SubSurfaceMonitor::unregisterSurface(SurfaceInterface *surface)