git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41548 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			111 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/////////////////////////////////////////////////////////////////////////////
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// Name:        wx/display_impl.h
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// Purpose:     wxDisplayImpl class declaration
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// Author:      Vadim Zeitlin
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// Created:     2006-03-15
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// RCS-ID:      $Id$
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// Copyright:   (c) 2002-2006 Vadim Zeitlin <vadim@wxwindows.org>
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// Licence:     wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DISPLAY_IMPL_H_BASE_
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#define _WX_DISPLAY_IMPL_H_BASE_
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#include "wx/gdicmn.h"      // for wxRect
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// ----------------------------------------------------------------------------
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// wxDisplayFactory: allows to create wxDisplay objects
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxDisplayFactory
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{
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public:
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    wxDisplayFactory() { }
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    virtual ~wxDisplayFactory() { }
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    // create a new display object
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    //
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    // it can return a NULL pointer if the display creation failed
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    virtual wxDisplayImpl *CreateDisplay(unsigned n) = 0;
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    // get the total number of displays
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    virtual unsigned GetCount() = 0;
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    // return the display for the given point or wxNOT_FOUND
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    virtual int GetFromPoint(const wxPoint& pt) = 0;
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    // return the display for the given window or wxNOT_FOUND
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    //
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    // the window pointer must not be NULL (i.e. caller should check it)
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    virtual int GetFromWindow(wxWindow *window);
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};
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// ----------------------------------------------------------------------------
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// wxDisplayImpl: base class for all wxDisplay implementations
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxDisplayImpl
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{
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public:
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    // virtual dtor for this base class
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    virtual ~wxDisplayImpl() { }
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    // return the full area of this display
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    virtual wxRect GetGeometry() const = 0;
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    // return the area of the display available for normal windows
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    virtual wxRect GetClientArea() const { return GetGeometry(); }
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    // return the name (may be empty)
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    virtual wxString GetName() const = 0;
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    // return the index of this display
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    unsigned GetIndex() const { return m_index; }
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    // return true if this is the primary monitor (usually one with index 0)
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    virtual bool IsPrimary() const { return GetIndex() == 0; }
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#if wxUSE_DISPLAY
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    // implements wxDisplay::GetModes()
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    virtual wxArrayVideoModes GetModes(const wxVideoMode& mode) const = 0;
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    // get current video mode
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    virtual wxVideoMode GetCurrentMode() const = 0;
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    // change current mode, return true if succeeded, false otherwise
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    virtual bool ChangeMode(const wxVideoMode& mode) = 0;
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#endif // wxUSE_DISPLAY
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protected:
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    // create the object providing access to the display with the given index
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    wxDisplayImpl(unsigned n) : m_index(n) { }
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    // the index of this display (0 is always the primary one)
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    const unsigned m_index;
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    friend class wxDisplayFactory;
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    DECLARE_NO_COPY_CLASS(wxDisplayImpl)
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};
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// ----------------------------------------------------------------------------
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// wxDisplayFactorySingle
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// ----------------------------------------------------------------------------
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// this is a stub implementation using single/main display only, it is
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// available even if wxUSE_DISPLAY == 0
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class WXDLLEXPORT wxDisplayFactorySingle : public wxDisplayFactory
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{
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public:
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    virtual wxDisplayImpl *CreateDisplay(unsigned n);
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    virtual unsigned GetCount() { return 1; }
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    virtual int GetFromPoint(const wxPoint& pt);
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};
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#endif // _WX_DISPLAY_IMPL_H_BASE_
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