quickshell and hyprland additions

.config/quickshell/caelestia/plugin/src/Caelestia/Services/beattracker.hpp

@@ -0,0 +1,49 @@
+#pragma once
+
+#include "audioprovider.hpp"
+#include <aubio/aubio.h>
+#include <qqmlintegration.h>
+
+namespace caelestia::services {
+
+class BeatProcessor : public AudioProcessor {
+    Q_OBJECT
+
+public:
+    explicit BeatProcessor(QObject* parent = nullptr);
+    ~BeatProcessor();
+
+signals:
+    void beat(smpl_t bpm);
+
+protected:
+    void process() override;
+
+private:
+    aubio_tempo_t* m_tempo;
+    fvec_t* m_in;
+    fvec_t* m_out;
+};
+
+class BeatTracker : public AudioProvider {
+    Q_OBJECT
+    QML_ELEMENT
+
+    Q_PROPERTY(smpl_t bpm READ bpm NOTIFY bpmChanged)
+
+public:
+    explicit BeatTracker(QObject* parent = nullptr);
+
+    [[nodiscard]] smpl_t bpm() const;
+
+signals:
+    void bpmChanged();
+    void beat(smpl_t bpm);
+
+private:
+    smpl_t m_bpm;
+
+    void updateBpm(smpl_t bpm);
+};
+
+} // namespace caelestia::services