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ff912946ae
When pushing a new command on an undo stack, we will now attempt to merge it into the stack's current command. Merging is implemented by overriding the "merge_with(Command const&)" virtual on GUI::Command. :^)
32 lines
541 B
C++
32 lines
541 B
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/String.h>
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namespace GUI {
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class Command {
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public:
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virtual ~Command();
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virtual void undo() { }
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virtual void redo() { }
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String action_text() const { return m_action_text; }
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virtual bool merge_with(Command const&) { return false; }
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protected:
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Command() { }
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void set_action_text(const String& text) { m_action_text = text; }
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private:
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String m_action_text;
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};
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}
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