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module/radio/component/Wifi.cpp

@@ -0,0 +1,43 @@
+#include "Wifi.h"
+#include "../Global.h"
+#include <QPainter>
+#include <QDebug>
+
+Wifi::Wifi(QWidget *parent) : QWidget(parent) {
+}
+
+
+
+
+void Wifi::paintEvent(QPaintEvent *event) {
+    QPainter painter(this);
+//    painter.fillRect(rect(), Qt::red);
+    QRect window(0, 0, 20, 10);
+    painter.setWindow(window);
+    double w = window.width(), h = window.height();
+    QRect drawRect = getMaxRect(rect(), w / h);
+    painter.setViewport(drawRect);
+    double rate = 1.5;  // wife宽度 : 间隙宽度
+    double baseHeightRate = 0.2;
+    double spaceWidth = w/(1.0 * 4 + rate * 5);
+    double stripWidth = spaceWidth * rate;
+    double baseHeight = h * baseHeightRate;
+    double raiseHeight = h * (1.0 - baseHeightRate)/4.0;
+    double raiseWidth = spaceWidth + stripWidth;
+    QRect textRect = QRect(0, 0, (int)(raiseWidth * 2), (int)(baseHeight * 2));
+    QFont font;
+    font.setPixelSize(5);
+    font.setBold(true);
+    painter.setFont(font);
+    QPen pen;
+    pen.setColor(Qt::white);
+    painter.setPen(pen);
+    painter.drawText(textRect, Qt::AlignJustify | Qt::AlignVCenter, "4G");
+    for(int i = 0; i < 5; ++i){
+        double curHeight = baseHeight + i * raiseHeight;
+        double curX = 0 + raiseWidth * i;
+        QColor color = i < value ? Qt::white : QColor(0, 0, 0, 50);
+        painter.fillRect(QRectF(curX, h - curHeight, stripWidth, curHeight), color);
+    }
+    painter.end();
+}