42 lines
887 B
C++
42 lines
887 B
C++
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#include "combobox.h"
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ComboBox::ComboBox(QWidget *parent) : QComboBox(parent)
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{
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// 扫描可用串口
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scanActivePort();
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}
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ComboBox::~ComboBox()
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{
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}
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// 扫描可用串口
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void ComboBox::scanActivePort()
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{
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// 先清空列表项，防止多次刷新后重叠
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clear();
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// 串口端口号列表
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QStringList serialPortName;
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// 自动扫描当前可用串口，返回值追加到字符数组中
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foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts()){
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serialPortName << info.portName();
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}
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// 可用串口号，显示到串口选择下拉框中
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this->addItems(serialPortName);
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}
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// 重写鼠标点击事件
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void ComboBox::mousePressEvent(QMouseEvent *event)
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{
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if(event->button() == Qt::LeftButton)
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{
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// 扫描可用串口
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scanActivePort();
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// 弹出下拉框
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showPopup();
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}
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}
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