fix: Crash when unplugging screen

Author: Dami-star

src/server/kernel/wsurface.cpp

@@ -316,8 +316,8 @@ void WSurface::enterOutput(WOutput *output)
         return;
     wlr_surface_send_enter(d->nativeHandle(), output->handle()->handle());
 
-    connect(output, &WOutput::destroyed, this, [d] {
-        d->updateOutputs();
+    connect(output, &WOutput::aboutToBeInvalidated, this, [this, output] {
+        leaveOutput(output);
     });
     output->safeConnect(&WOutput::scaleChanged, this, [d] {
         d->updatePreferredBufferScale();
@@ -360,7 +360,7 @@ void WSurface::leaveOutput(WOutput *output)
         d->ensureSubsurface(subsurface)->leaveOutput(output);
     }
 
-    Q_EMIT outputLeft(output);
+    Q_EMIT outputLeave(output);
 }
 
 const QVector<WOutput *> &WSurface::outputs() const

src/server/kernel/wsurface.h

@@ -80,7 +80,7 @@ public Q_SLOTS:
     void newSubsurface(WSurface *subsurface);
     void preferredBufferScaleChanged();
     void outputEntered(WOutput *output);
-    void outputLeft(WOutput *output);
+    void outputLeave(WOutput *output);
 
 protected:
     WSurface(WSurfacePrivate &dd, QObject *parent);

src/server/protocols/wforeigntoplevelv1.cpp

@@ -99,7 +99,7 @@ class Q_DECL_HIDDEN WForeignToplevelPrivate : public WObjectPrivate {
             handle->output_enter(output->nativeHandle());
         }));
 
-        connection.push_back(surface->surface()->safeConnect(&WSurface::outputLeft, surface, [this, handle](WOutput *output) {
+        connection.push_back(surface->surface()->safeConnect(&WSurface::outputLeave, surface, [this, handle](WOutput *output) {
             handle->output_leave(output->nativeHandle());
         }));