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module/radio/component/ShowTime.cpp

@@ -0,0 +1,23 @@
+#include "ShowTime.h"
+#include <QPainter>
+#include <QDateTime>
+#include <QString>
+
+ShowTime::ShowTime(QWidget *parent) : QWidget(parent) {
+    setObjectName("ShowTime");
+    setAttribute(Qt::WA_OpaquePaintEvent);
+    mTimer.start(1000);
+    connect(&mTimer, &QTimer::timeout, this, [this](){
+        update();
+    });
+}
+
+void ShowTime::paintEvent(QPaintEvent *event) {
+    QPainter painter(this);
+    painter.setPen(Qt::NoPen);
+    painter.fillRect(rect(), QApplication::style()->standardPalette().brush(QPalette::Window));
+    painter.setPen(QPen());
+    QString&& dateTimeString = QDateTime::currentDateTime().toString("HH:mm:ss");
+    painter.drawText(rect(), Qt::AlignCenter, dateTimeString);
+    painter.end();
+}