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