/usr/include/wx-3.0/wx/display_impl.h is in wx3.0-headers 3.0.0-2.
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/display_impl.h
// Purpose: wxDisplayImpl class declaration
// Author: Vadim Zeitlin
// Created: 2006-03-15
// Copyright: (c) 2002-2006 Vadim Zeitlin <vadim@wxwindows.org>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DISPLAY_IMPL_H_BASE_
#define _WX_DISPLAY_IMPL_H_BASE_
#include "wx/gdicmn.h" // for wxRect
// ----------------------------------------------------------------------------
// wxDisplayFactory: allows to create wxDisplay objects
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxDisplayFactory
{
public:
wxDisplayFactory() { }
virtual ~wxDisplayFactory() { }
// create a new display object
//
// it can return a NULL pointer if the display creation failed
virtual wxDisplayImpl *CreateDisplay(unsigned n) = 0;
// get the total number of displays
virtual unsigned GetCount() = 0;
// return the display for the given point or wxNOT_FOUND
virtual int GetFromPoint(const wxPoint& pt) = 0;
// return the display for the given window or wxNOT_FOUND
//
// the window pointer must not be NULL (i.e. caller should check it)
virtual int GetFromWindow(const wxWindow *window);
};
// ----------------------------------------------------------------------------
// wxDisplayImpl: base class for all wxDisplay implementations
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxDisplayImpl
{
public:
// virtual dtor for this base class
virtual ~wxDisplayImpl() { }
// return the full area of this display
virtual wxRect GetGeometry() const = 0;
// return the area of the display available for normal windows
virtual wxRect GetClientArea() const { return GetGeometry(); }
// return the name (may be empty)
virtual wxString GetName() const = 0;
// return the index of this display
unsigned GetIndex() const { return m_index; }
// return true if this is the primary monitor (usually one with index 0)
virtual bool IsPrimary() const { return GetIndex() == 0; }
#if wxUSE_DISPLAY
// implements wxDisplay::GetModes()
virtual wxArrayVideoModes GetModes(const wxVideoMode& mode) const = 0;
// get current video mode
virtual wxVideoMode GetCurrentMode() const = 0;
// change current mode, return true if succeeded, false otherwise
virtual bool ChangeMode(const wxVideoMode& mode) = 0;
#endif // wxUSE_DISPLAY
protected:
// create the object providing access to the display with the given index
wxDisplayImpl(unsigned n) : m_index(n) { }
// the index of this display (0 is always the primary one)
const unsigned m_index;
friend class wxDisplayFactory;
wxDECLARE_NO_COPY_CLASS(wxDisplayImpl);
};
// ----------------------------------------------------------------------------
// wxDisplayFactorySingle
// ----------------------------------------------------------------------------
// this is a stub implementation using single/main display only, it is
// available even if wxUSE_DISPLAY == 0
class WXDLLIMPEXP_CORE wxDisplayFactorySingle : public wxDisplayFactory
{
public:
virtual wxDisplayImpl *CreateDisplay(unsigned n);
virtual unsigned GetCount() { return 1; }
virtual int GetFromPoint(const wxPoint& pt);
};
#endif // _WX_DISPLAY_IMPL_H_BASE_
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