X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=correlation_meter.h;fp=correlation_meter.h;h=6dc0684c2f498540fb86c2ff710b9a791c552bdb;hb=64ecf5ca155de13a76edaaefc6c4fd1f8e8f92f7;hp=0000000000000000000000000000000000000000;hpb=2e09ccc4b17c1bf5e39107eb9c209beba6908348;p=nageru

diff --git a/correlation_meter.h b/correlation_meter.h
new file mode 100644
index 0000000..6dc0684
--- /dev/null
+++ b/correlation_meter.h
@@ -0,0 +1,31 @@
+#ifndef CORRELATION_METER_H
+#define CORRELATION_METER_H
+
+#include <QPaintEvent>
+#include <QWidget>
+#include <mutex>
+
+class CorrelationMeter : public QWidget
+{
+	Q_OBJECT
+
+public:
+	CorrelationMeter(QWidget *parent);
+
+	void set_correlation(float correlation) {
+		std::unique_lock<std::mutex> lock(correlation_mutex);
+		this->correlation = correlation;
+		QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);
+	}
+
+private:
+	void resizeEvent(QResizeEvent *event) override;
+	void paintEvent(QPaintEvent *event) override;
+
+	std::mutex correlation_mutex;
+	float correlation = 0.0f;
+
+	QPixmap on_pixmap, off_pixmap;
+};
+
+#endif