Class ClapEventQueue

distrho/src/DistrhoPluginCLAP.cpp:76–183

typedef std::map<const String, String> StringMap;

struct ClapEventQueue
{
  #if DISTRHO_PLUGIN_HAS_UI
    enum EventType {
        kEventGestureBegin,
        kEventGestureEnd,
        kEventParamSet
    };

    struct Event {
        EventType type;
        uint32_t index;
        float value;
    };

    struct Queue {
        RecursiveMutex lock;
        uint allocated;
        uint used;
        Event* events;

        Queue()
            : allocated(0),
              used(0),
              events(nullptr) {}

        ~Queue()
        {
            delete[] events;
        }

        void addEventFromUI(const Event& event)
        {
            const RecursiveMutexLocker crml(lock);

            if (events == nullptr)
            {
                events = static_cast<Event*>(std::malloc(sizeof(Event) * 8));
                allocated = 8;
            }
            else if (used + 1 > allocated)
            {
                allocated = used * 2;
                events = static_cast<Event*>(std::realloc(events, sizeof(Event) * allocated));
            }

            std::memcpy(&events[used++], &event, sizeof(Event));
        }
    } fEventQueue;

   #if DISTRHO_PLUGIN_WANT_MIDI_INPUT
    SmallStackBuffer fNotesBuffer;
   #endif
  #endif

   #if DISTRHO_PLUGIN_WANT_PROGRAMS
    uint32_t fCurrentProgram;
   #endif