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98 lines
3.4 KiB
C
98 lines
3.4 KiB
C
1 year ago
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/******************************************************************************
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Name: description
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Copyright (C) 2011 Wang Bin <wbsecg1@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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******************************************************************************/
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#ifndef HOTPLUGWATCHER_H
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#define HOTPLUGWATCHER_H
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#include <QtCore/QObject>
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#include <QtCore/QThread>
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#include "qdevicewatcher.h"
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#include "qdevicechangeevent.h"
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#include <QPainter>
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#include <QFileDialog>
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#include <QTextEdit>
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#include <QCoreApplication>
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#include <QFile>
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#include <QTextStream>
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#include <QDebug>
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#include <QStringList>
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#ifndef __GNUC__
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#define __PRETTY_FUNCTION__ __FUNCTION__
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#endif
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class HotplugWatcher : public QThread
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{
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Q_OBJECT
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public:
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HotplugWatcher(QObject *parent = 0):QThread(parent) {
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qDebug("tid=%#x %s", (unsigned int)QThread::currentThreadId(), __PRETTY_FUNCTION__);
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start();
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moveToThread(this); //Let bool event(QEvent *e) be in another thread
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watcher = new QDeviceWatcher;
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watcher->moveToThread(this);
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watcher->appendEventReceiver(this);
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connect(watcher, SIGNAL(deviceAdded(QString)), this, SLOT(slotDeviceAdded(QString)), Qt::DirectConnection);
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connect(watcher, SIGNAL(deviceChanged(QString)), this, SLOT(slotDeviceChanged(QString)), Qt::DirectConnection);
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connect(watcher, SIGNAL(deviceRemoved(QString)), this, SLOT(slotDeviceRemoved(QString)), Qt::DirectConnection);
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watcher->start();
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}
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public slots:
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void slotDeviceAdded(const QString& dev)
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{
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QFile file_write("/home/data/usb_file_path");//文件路径
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qDebug("tid=%#x %s: add %s", (unsigned int) QThread::currentThreadId(), __PRETTY_FUNCTION__, qPrintable(dev));
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if(file_write.open(QFile::WriteOnly))
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{
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QTextStream usb_file_path(&file_write);
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usb_file_path<<qPrintable(dev);
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}
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file_write.close();
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}
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void slotDeviceRemoved(const QString& dev) { qDebug("tid=%#x %s: remove %s", (unsigned int)QThread::currentThreadId(), __PRETTY_FUNCTION__, qPrintable(dev));}
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void slotDeviceChanged(const QString& dev) { qDebug("tid=%#x %s: change %s", (unsigned int)QThread::currentThreadId(), __PRETTY_FUNCTION__, qPrintable(dev));}
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protected:
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virtual bool event(QEvent *e) {
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if (e->type() == QDeviceChangeEvent::registeredType()) {
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QDeviceChangeEvent *event = (QDeviceChangeEvent*)e;
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QString action("Change");
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if (event->action() == QDeviceChangeEvent::Add)
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action = "Add";
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else if (event->action() == QDeviceChangeEvent::Remove)
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action = "Remove";
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qDebug("tid=%#x event=%d %s: %s %s", (unsigned int)QThread::currentThreadId(), e->type(), __PRETTY_FUNCTION__, qPrintable(action), qPrintable(event->device()));
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event->accept();
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return true;
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}
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return QObject::event(e);
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}
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private:
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QDeviceWatcher *watcher;
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};
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#endif // HOTPLUGWATCHER_H
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