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LibGUI: Use UndoStack::on_state_change inside TextDocument/TextEditor

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Have TextDocument listen for state changes on the internal undo stack,
and forward those to all clients via a new virtual function.

This simplifies updating the can_undo / can_redo states of TextEditor.
This commit is contained in:
Andreas Kling 2021-05-08 13:16:37 +02:00
parent 0cb6103928
commit ee19f7c0aa
5 changed files with 17 additions and 2 deletions
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Userland/DevTools/HackStudio/LanguageServers/FileDB.cpp
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@ -102,6 +102,7 @@ public:
virtual void document_did_change() override {};
virtual void document_did_set_text() override {};
virtual void document_did_set_cursor(const GUI::TextPosition&) override {};
virtual void document_did_update_undo_stack() override { }
virtual bool is_automatic_indentation_enabled() const override { return false; }
virtual int soft_tab_width() const override { return 4; }