通过自定义控件实现功能：状态栏显示采集帧数；

HPPA/recordFrameCounter.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <QWidget>
+#include <QStackedWidget>
+#include <QLabel>
+#include <QHBoxLayout>
+#include <QMap>
+
+class recordFrameCounter : public QWidget
+{
+	Q_OBJECT
+public:
+	explicit recordFrameCounter(QWidget* parent = nullptr);
+
+	void addCounter(QWidget* tabWidget);
+	void removeCounter(QWidget* tabWidget);
+	void switchTo(QWidget* tabWidget);
+	void updateFrameCount(QWidget* tabWidget, int frameCount);
+
+private:
+	QStackedWidget* m_stackedWidget = nullptr;
+	QMap<QWidget*, QLabel*> m_labelMap;
+};
+