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d623ff74ae
- History cannot give back its last previous state - HistoryAction.cpp has everything you need to define actions stored in history - Added a History dialog showing the contents of the history
66 lines
1.3 KiB
C++
66 lines
1.3 KiB
C++
#include <utility>
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//
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// Created by Syméon on 02/03/2019.
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//
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#ifndef FEIS_HISTORYSTATE_H
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#define FEIS_HISTORYSTATE_H
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#include <string>
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#include <variant>
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#include <memory>
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#include "Chart.h"
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class EditorState;
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class ActionWithMessage {
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public:
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explicit ActionWithMessage(std::string message = "") : message(std::move(message)) {};
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const std::string &getMessage() const;
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virtual void doAction(EditorState &ed) {};
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virtual void undoAction(EditorState &ed) {};
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virtual ~ActionWithMessage() = default;
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protected:
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std::string message;
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};
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/*
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* A history action replacing every note, typically the first state in history
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*/
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class OpenChart : public ActionWithMessage {
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public:
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explicit OpenChart(Chart c);
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void doAction(EditorState &ed) override;
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protected:
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std::set<Note> notes;
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};
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/*
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* Some notes have been toggled, either on or off depending on have_been_added
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*/
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class ToggledNotes : public ActionWithMessage {
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public:
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ToggledNotes(std::set<Note> notes, bool have_been_added);
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void doAction(EditorState &ed) override;
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void undoAction(EditorState &ed) override;
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protected:
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bool have_been_added;
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std::set<Note> notes;
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};
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auto print_history_message = [](std::shared_ptr<ActionWithMessage> hs) -> std::string {
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return (*hs).getMessage();
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};
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#endif //FEIS_HISTORYSTATE_H
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