QT5 下 usb 设备插拔检测

#include "mainwindow.h" #include "ui_mainwindow.h" #include <QDebug> #include <locale> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); #if 1 static const GUID GUID_DEVINTERFACE_LIST[] = { // GUID_DEVINTERFACE_USB_DEVICE { 0xA5DCBF10, 0x6530, 0x11D2, { 0x90, 0x1F, 0x00, 0xC0, 0x4F, 0xB9, 0x51, 0xED } }, // GUID_DEVINTERFACE_DISK { 0x53f56307, 0xb6bf, 0x11d0, { 0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b } }, // GUID_DEVINTERFACE_HID, { 0x4D1E55B2, 0xF16F, 0x11CF, { 0x88, 0xCB, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30 } }, // GUID_NDIS_LAN_CLASS { 0xad498944, 0x762f, 0x11d0, { 0x8d, 0xcb, 0x00, 0xc0, 0x4f, 0xc3, 0x35, 0x8c } } //// GUID_DEVINTERFACE_COMPORT //{ 0x86e0d1e0, 0x8089, 0x11d0, { 0x9c, 0xe4, 0x08, 0x00, 0x3e, 0x30, 0x1f, 0x73 } }, //// GUID_DEVINTERFACE_SERENUM_BUS_ENUMERATOR //{ 0x4D36E978, 0xE325, 0x11CE, { 0xBF, 0xC1, 0x08, 0x00, 0x2B, 0xE1, 0x03, 0x18 } }, //// GUID_DEVINTERFACE_PARALLEL //{ 0x97F76EF0, 0xF883, 0x11D0, { 0xAF, 0x1F, 0x00, 0x00, 0xF8, 0x00, 0x84, 0x5C } }, //// GUID_DEVINTERFACE_PARCLASS //{ 0x811FC6A5, 0xF728, 0x11D0, { 0xA5, 0x37, 0x00, 0x00, 0xF8, 0x75, 0x3E, 0xD1 } } }; //注册插拔事件 HDEVNOTIFY hDevNotify; DEV_BROADCAST_DEVICEINTERFACE NotifacationFiler; ZeroMemory(&NotifacationFiler,sizeof(DEV_BROADCAST_DEVICEINTERFACE)); NotifacationFiler.dbcc_size = sizeof(DEV_BROADCAST_DEVICEINTERFACE); NotifacationFiler.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE; for(int i=0;i<sizeof(GUID_DEVINTERFACE_LIST)/sizeof(GUID);i++) { NotifacationFiler.dbcc_classguid = GUID_DEVINTERFACE_LIST[i];//GetCurrentUSBGUID();//m_usb->GetDriverGUID(); hDevNotify = RegisterDeviceNotification((HANDLE)this->winId(),&NotifacationFiler,DEVICE_NOTIFY_WINDOW_HANDLE); if(!hDevNotify) { int Err = GetLastError(); qDebug() << "注册失败" <<endl; } //else } #endif } MainWindow::~MainWindow() { delete ui; } char MainWindow::FirstDriveFromMask(ULONG unitmask) { char i; for (i = 0; i < 26; ++i) { if (unitmask & 0x1) break; unitmask = unitmask >> 1; } return (i + 'A'); } bool MainWindow::nativeEvent(const QByteArray &eventType, void *message, long *result) { MSG* msg = reinterpret_cast<MSG*>(message); int msgType = msg->message; if(msgType==WM_DEVICECHANGE) { //qDebug() << "Event DEVICECHANGE Happend" << endl; PDEV_BROADCAST_HDR lpdb = (PDEV_BROADCAST_HDR)msg->lParam; switch (msg->wParam) { case DBT_DEVICEARRIVAL: if(lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME) { PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)lpdb; if(lpdbv->dbcv_flags ==0) { //插入u盘 QString USBDisk = QString(this->FirstDriveFromMask(lpdbv ->dbcv_unitmask)); qDebug() << "USB_Arrived and The USBDisk is: "<<USBDisk ; ui->textBrowser->append("USB_Arrived and The USBDisk is " + USBDisk); } } if(lpdb->dbch_devicetype = DBT_DEVTYP_DEVICEINTERFACE) { PDEV_BROADCAST_DEVICEINTERFACE pDevInf = (PDEV_BROADCAST_DEVICEINTERFACE)lpdb; QString strname = QString::fromWCharArray(pDevInf->dbcc_name,pDevInf->dbcc_size); // ui->textBrowser->append("插入设备 ：" + strname); } break; case DBT_DEVICEREMOVECOMPLETE: qDebug() << "设备移除" <<endl; if(lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME) { PDEV_BROADCAST_VOLUME lpdbv = (PDEV_BROADCAST_VOLUME)lpdb; if(lpdbv->dbcv_flags == 0) { //qDebug() << "USB_Removed"; ui->textBrowser->append("USB_Remove"); } } if(lpdb->dbch_devicetype = DBT_DEVTYP_DEVICEINTERFACE) { PDEV_BROADCAST_DEVICEINTERFACE pDevInf = (PDEV_BROADCAST_DEVICEINTERFACE)lpdb; qDebug()<< "移除设备(name)：" << pDevInf->dbcc_name; //qDebug()<< "移除设备(guid)：" << pDevInf->dbcc_classguid; qDebug()<< "移除设备(size)：" << pDevInf->dbcc_size; QString strname = QString::fromWCharArray(pDevInf->dbcc_name,pDevInf->dbcc_size); ui->textBrowser->append("移除设备 " + strname); } break; } } return false; } void MainWindow::on_pushButton_clicked() { ui->textBrowser->clear(); }