lambda_actions.h

Go to the documentation of this file.

#pragma once
 
#include "editing_action.h"
#include <functional>
 
namespace unravel
{
 
// Non-undoable lambda action
struct untracked_action_t : crtp_meta_type<untracked_action_t, editing_action_t>
{
    using action_t = std::function<void()>;
    action_t action{};
 
    untracked_action_t(action_t act);
 
    void do_action() override;
    void undo_action() override;
    auto is_undoable() const -> bool override;
};
 
// Undoable lambda action with separate do/undo functions
struct tracked_lambda_action_t : crtp_meta_type<tracked_lambda_action_t, editing_action_t>
{
    using action_t = std::function<void()>;
    action_t do_func{};
    action_t undo_func{};
 
    tracked_lambda_action_t(action_t do_action, action_t undo_action);
 
    void do_action() override;
    void undo_action() override;
    auto is_undoable() const -> bool override;
};
 
} // namespace unravel