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ox/src/nostalgia/studio/lib/editor.hpp
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2022-02-10 02:04:38 -06:00

105 lines
1.9 KiB
C++

/*
* Copyright 2016 - 2022 Gary Talent (gary@drinkingtea.net). All rights reserved.
*/
#pragma once
#include <ox/event/signal.hpp>
#include "undostack.hpp"
#include "widget.hpp"
#include "nostalgiastudio_export.h"
namespace nostalgia::studio {
class NOSTALGIASTUDIO_EXPORT Editor: public Widget {
private:
UndoStack m_cmdStack;
bool m_unsavedChanges = false;
bool m_exportable = false;
bool m_cutEnabled = false;
bool m_copyEnabled = false;
bool m_pasteEnabled = false;
public:
~Editor() override = default;
/**
* Returns the name of item being edited.
*/
[[nodiscard]]
virtual ox::String itemName() const = 0;
virtual ox::String itemDisplayName() const;
virtual void cut();
virtual void copy();
virtual void paste();
virtual void exportFile();
void close();
/**
* Save changes to item being edited.
*/
void save();
/**
* Sets indication of item being edited has unsaved changes. Also emits
* unsavedChangesChanged signal.
*/
void setUnsavedChanges(bool);
[[nodiscard]]
bool unsavedChanges() const noexcept;
/**
* Returns the undo stack holding changes to the item being edited.
*/
[[nodiscard]]
UndoStack *undoStack();
void setExportable(bool);
[[nodiscard]]
bool exportable() const;
void setCutEnabled(bool);
[[nodiscard]]
bool cutEnabled() const;
void setCopyEnabled(bool);
[[nodiscard]]
bool copyEnabled() const;
void setPasteEnabled(bool);
[[nodiscard]]
bool pasteEnabled() const;
protected:
/**
* Save changes to item being edited.
*/
virtual void saveItem();
// signals
public:
ox::Signal<ox::Error(bool)> unsavedChangesChanged;
ox::Signal<ox::Error(bool)> exportableChanged;
ox::Signal<ox::Error(bool)> cutEnabledChanged;
ox::Signal<ox::Error(bool)> copyEnabledChanged;
ox::Signal<ox::Error(bool)> pasteEnabledChanged;
ox::Signal<ox::Error(const ox::String&)> closed;
};
}