1
0
mirror of https://gitee.com/drabel/LibQQt.git synced 2025-01-04 10:18:44 +08:00
LibQQt/qdevicewatcher.h
tianduanrui 3f857669fc init
2016-12-29 16:49:18 +08:00

88 lines
2.4 KiB
C++
Executable File

/******************************************************************************
QDeviceWatcher: Device watcher class
Copyright (C) 2011-2015 Wang Bin <wbsecg1@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
******************************************************************************/
#ifndef QDEVICEWATCHER_H
#define QDEVICEWATCHER_H
#include <QtCore/QObject>
#include <QtCore/QEvent>
#ifdef BUILD_QDEVICEWATCHER_STATIC
#define Q_DW_EXPORT
#else
#if defined(BUILD_QDEVICEWATCHER_LIB)
# undef Q_DW_EXPORT
# define Q_DW_EXPORT Q_DECL_EXPORT
#else
# undef Q_DW_EXPORT
# define Q_DW_EXPORT //Q_DECL_IMPORT //only for vc?
#endif
#endif //BUILD_QDEVICEWATCHER_STATIC
class QDeviceWatcherPrivate;
class Q_DW_EXPORT QDeviceWatcher : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QDeviceWatcher)
public:
explicit QDeviceWatcher(QObject *parent = 0);
~QDeviceWatcher();
bool start();
bool stop();
bool isRunning() const;
void appendEventReceiver(QObject* receiver);
signals:
void deviceAdded(const QString& dev);
void deviceChanged(const QString& dev); //when umounting the device
void deviceRemoved(const QString& dev);
protected:
bool running;
QDeviceWatcherPrivate *d_ptr;
};
class Q_DW_EXPORT QDeviceChangeEvent : public QEvent
{
public:
enum Action { Add, Remove, Change};
//static const Type EventType; //VC link error
explicit QDeviceChangeEvent(Action action, const QString& device);
Action action() const {return m_action;}
QString device() const {return m_device;}
static Type registeredType()
{
static Type EventType = static_cast<Type>(registerEventType());
return EventType;
}
private:
Action m_action;
QString m_device;
};
#endif // QDEVICEWATCHER_H