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LibGUI: Track modified state in GUI::TextDocument
Until now, this has been hackishly tracked by the TextEditor app's main widget. Let's do it in GUI::TextDocument instead, so that anyone who uses this class can know whether it's modified or not.
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@ -122,6 +122,8 @@ public:
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virtual bool is_code_document() const { return false; }
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bool is_empty() const;
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bool is_modified() const { return m_modified; }
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void set_modified(bool);
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protected:
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explicit TextDocument(Client* client);
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@ -134,6 +136,7 @@ private:
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HashTable<Client*> m_clients;
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bool m_client_notifications_enabled { true };
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bool m_modified { false };
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UndoStack m_undo_stack;
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RefPtr<Core::Timer> m_undo_timer;
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