110 lines
3.5 KiB
C++
110 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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// 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 WXDLLIMPEXP_CORE 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(const 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 WXDLLIMPEXP_CORE 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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wxDECLARE_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 WXDLLIMPEXP_CORE wxDisplayFactorySingle : public wxDisplayFactory
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{
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public:
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virtual wxDisplayImpl *CreateDisplay(unsigned n) wxOVERRIDE;
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virtual unsigned GetCount() wxOVERRIDE { return 1; }
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virtual int GetFromPoint(const wxPoint& pt) wxOVERRIDE;
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};
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#endif // _WX_DISPLAY_IMPL_H_BASE_
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