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LibCore: Make CObject reference-counted
Okay, I've spent a whole day on this now, and it finally kinda works! With this patch, CObject and all of its derived classes are reference counted instead of tree-owned. The previous, Qt-like model was nice and familiar, but ultimately also outdated and difficult to reason about. CObject-derived types should now be stored in RefPtr/NonnullRefPtr and each class can be constructed using the forwarding construct() helper: auto widget = GWidget::construct(parent_widget); Note that construct() simply forwards all arguments to an existing constructor. It is inserted into each class by the C_OBJECT macro, see CObject.h to understand how that works. CObject::delete_later() disappears in this patch, as there is no longer a single logical owner of a CObject.
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45 changed files with 174 additions and 233 deletions
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@ -14,8 +14,8 @@
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int main(int argc, char** argv)
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{
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GApplication app(argc, argv);
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AClientConnection audio_connection;
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audio_connection.handshake();
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auto audio_client = AClientConnection::construct();
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audio_client->handshake();
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auto window = GWindow::construct();
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window->set_title("Piano");
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