EditorSelection.h

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#pragma once
#include "common/Export.h"
 
 
#include "editing/EditingSelection.h"
#include "editor/EditorIds.h"
#include "editor/EditorResult.h"
 
#include <cstdint>
#include <functional>
#include <map>
#include <optional>
#include <string>
#include <vector>
 
namespace eve::editor {
 
using SelectionDomain = eve::editing::SelectionDomain;
 
using SelectionItem = eve::editing::SelectionItem;
 
using SelectionSnapshot = eve::editing::SelectionSnapshot;
 
using EditorFocusSnapshot = eve::editing::FocusSnapshot;
 
class EVENGINE_API_ORCHESTRATION EditorSelectionService {
public:
    using Listener = std::function<void(const SelectionSnapshot&)>;
 
    Result<SelectionSnapshot> set(std::string channel, std::vector<SelectionItem> items,
                                        std::optional<SelectionItem> primary = std::nullopt);
    Result<SelectionSnapshot> clear(const std::string& channel);
    SelectionSnapshot snapshot(const std::string& channel) const;
    Result<void> subscribe(std::string owner, Listener listener);
    bool unsubscribe(const std::string& owner);
 
private:
    std::map<std::string, SelectionSnapshot> selections_;
    std::map<std::string, Listener>          listeners_;
    std::uint64_t                            sequence_ = 0;
};
 
class EVENGINE_API_ORCHESTRATION EditorFocusService {
public:
    Result<EditorFocusSnapshot> focus(std::string channel, StableId surface, StableId item = {});
    EditorFocusSnapshot snapshot(const std::string& channel) const;
 
private:
    std::map<std::string, EditorFocusSnapshot> focus_;
    std::uint64_t                              sequence_ = 0;
};
 
}  // namespace eve::editor