/usr/include/wx-3.0/wx/power.h is in wx3.0-headers 3.0.4+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Name: wx/power.h
// Purpose: functions and classes for system power management
// Author: Vadim Zeitlin
// Modified by:
// Created: 2006-05-27
// Copyright: (c) 2006 Vadim Zeitlin <vadim@wxwindows.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_POWER_H_
#define _WX_POWER_H_
#include "wx/event.h"
// ----------------------------------------------------------------------------
// power management constants
// ----------------------------------------------------------------------------
enum wxPowerType
{
wxPOWER_SOCKET,
wxPOWER_BATTERY,
wxPOWER_UNKNOWN
};
enum wxBatteryState
{
wxBATTERY_NORMAL_STATE, // system is fully usable
wxBATTERY_LOW_STATE, // start to worry
wxBATTERY_CRITICAL_STATE, // save quickly
wxBATTERY_SHUTDOWN_STATE, // too late
wxBATTERY_UNKNOWN_STATE
};
// ----------------------------------------------------------------------------
// wxPowerEvent is generated when the system online status changes
// ----------------------------------------------------------------------------
// currently the power events are only available under Windows, to avoid
// compiling in the code for handling them which is never going to be invoked
// under the other platforms, we define wxHAS_POWER_EVENTS symbol if this event
// is available, it should be used to guard all code using wxPowerEvent
#ifdef __WINDOWS__
#define wxHAS_POWER_EVENTS
class WXDLLIMPEXP_BASE wxPowerEvent : public wxEvent
{
public:
wxPowerEvent() // just for use by wxRTTI
: m_veto(false) { }
wxPowerEvent(wxEventType evtType) : wxEvent(wxID_NONE, evtType)
{
m_veto = false;
}
// Veto the operation (only makes sense with EVT_POWER_SUSPENDING)
void Veto() { m_veto = true; }
bool IsVetoed() const { return m_veto; }
// default copy ctor, assignment operator and dtor are ok
virtual wxEvent *Clone() const { return new wxPowerEvent(*this); }
private:
bool m_veto;
DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxPowerEvent)
};
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_BASE, wxEVT_POWER_SUSPENDING, wxPowerEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_BASE, wxEVT_POWER_SUSPENDED, wxPowerEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_BASE, wxEVT_POWER_SUSPEND_CANCEL, wxPowerEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_BASE, wxEVT_POWER_RESUME, wxPowerEvent );
typedef void (wxEvtHandler::*wxPowerEventFunction)(wxPowerEvent&);
#define wxPowerEventHandler(func) \
wxEVENT_HANDLER_CAST(wxPowerEventFunction, func)
#define EVT_POWER_SUSPENDING(func) \
wx__DECLARE_EVT0(wxEVT_POWER_SUSPENDING, wxPowerEventHandler(func))
#define EVT_POWER_SUSPENDED(func) \
wx__DECLARE_EVT0(wxEVT_POWER_SUSPENDED, wxPowerEventHandler(func))
#define EVT_POWER_SUSPEND_CANCEL(func) \
wx__DECLARE_EVT0(wxEVT_POWER_SUSPEND_CANCEL, wxPowerEventHandler(func))
#define EVT_POWER_RESUME(func) \
wx__DECLARE_EVT0(wxEVT_POWER_RESUME, wxPowerEventHandler(func))
#else // no support for power events
#undef wxHAS_POWER_EVENTS
#endif // support for power events/no support
// ----------------------------------------------------------------------------
// power management functions
// ----------------------------------------------------------------------------
// return the current system power state: online or offline
WXDLLIMPEXP_BASE wxPowerType wxGetPowerType();
// return approximate battery state
WXDLLIMPEXP_BASE wxBatteryState wxGetBatteryState();
#endif // _WX_POWER_H_
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