track_edit_intent.hpp

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#pragma once

 
#include <pulp/timeline_editor/edit_intent.hpp>
 
#include <optional>
#include <variant>
 
namespace pulp::timeline_editor {


enum class TrackEditIntentKind : std::uint8_t {
    Reorder,  
};

struct TrackEditIntent {
    TrackEditIntentKind kind = TrackEditIntentKind::Reorder;
    timeline::GesturePhase phase = timeline::GesturePhase::Single;
 
    timeline::ItemId sequence_id;
    timeline::ItemId track_id;

    std::optional<timeline::ItemId> expected_before_track_id;
    std::optional<timeline::ItemId> replacement_before_track_id;
};

struct TrackCreateIntent {
    timeline::ItemId sequence_id;
    timeline::Track track;
    std::optional<timeline::ItemId> before_track_id;
};

using TrackArrangementIntent = std::variant<TrackEditIntent, TrackCreateIntent>;

using TrackEditIntentHost = SequencerUiHostT<TrackEditIntent>;

using TrackArrangementIntentHost = SequencerUiHostT<TrackArrangementIntent>;

runtime::Result<timeline::Transaction, timeline::ModelError>
lower_track_edit_intent(const TrackEditIntent& intent, const EditIntentIdentity& identity);

runtime::Result<timeline::Transaction, timeline::ModelError>
lower_track_create_intent(const TrackCreateIntent& intent, const EditIntentIdentity& identity);

runtime::Result<timeline::Transaction, timeline::ModelError>
lower_track_arrangement_intent(const TrackArrangementIntent& intent,
                               const EditIntentIdentity& identity);

 
} // namespace pulp::timeline_editor