tracktion_EditInsertPoint.h

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 /*
    ,--.                     ,--.     ,--.  ,--.
  ,-'  '-.,--.--.,--,--.,---.|  |,-.,-'  '-.`--' ,---. ,--,--,      Copyright 2024
  '-.  .-'|  .--' ,-.  | .--'|     /'-.  .-',--.| .-. ||      \   Tracktion Software
    |  |  |  |  \ '-'  \ `--.|  \  \  |  |  |  |' '-' '|  ||  |       Corporation
    `---' `--'   `--`--'`---'`--'`--' `---' `--' `---' `--''--'    www.tracktion.com
 
    Tracktion Engine uses a GPL/commercial licence - see LICENCE.md for details.
*/
 
namespace tracktion { inline namespace engine
{
 
class EditInsertPoint
{
public:
    EditInsertPoint (Edit&);
 
    virtual ~EditInsertPoint() = default;
 
    bool setNextInsertPoint (ClipOwner*, std::optional<TimePosition>);
 
    void setNextInsertPoint (TimePosition, const juce::ReferenceCountedObjectPtr<Track>&);
 
    void setNextInsertPoint (TimePosition);
 
    void setNextInsertPointAfterSelected();
 
    void lockInsertPoint (bool lock) noexcept;
 
    virtual void chooseInsertPoint (juce::ReferenceCountedObjectPtr<Track>&,
                                    TimePosition& start, bool pasteAfterSelection, SelectionManager*);
 
    void chooseInsertPoint (juce::ReferenceCountedObjectPtr<Track>&,
                            TimePosition& start, bool pasteAfterSelection, SelectionManager*,
                            std::function<bool (Track&)> allowedTrackPredicate);
 
    struct Placement
    {
        juce::ReferenceCountedObjectPtr<Track> track;   
        ClipOwner* clipOwner = nullptr;                 
        std::optional<TimePosition> time;               
    };
 
    virtual Placement chooseInsertPoint (bool pasteAfterSelection, SelectionManager*,
                                         std::function<bool (Track&)> allowedTrackPredicate);
 
protected:
    Edit& edit;
    TimePosition nextInsertPointTime;
    EditItemID nextInsertPointTrack, nextInsertPointClipOwner;
    int lockInsertPointCount = 0;
    bool nextInsertIsAfterSelected = false;
};
 
}} // namespace tracktion { inline namespace engine