129 lines
4.3 KiB
C++
129 lines
4.3 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/display.h
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// Purpose: wxDisplay class
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// Author: Royce Mitchell III, Vadim Zeitlin
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// Created: 06/21/02
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// RCS-ID: $Id: display.h 58757 2009-02-08 11:45:59Z VZ $
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// Copyright: (c) 2002-2006 wxWidgets team
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DISPLAY_H_BASE_
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#define _WX_DISPLAY_H_BASE_
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// NB: no #if wxUSE_DISPLAY here, the display geometry part of this class (but
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// not the video mode stuff) is always available but if wxUSE_DISPLAY == 0
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// it becomes just a trivial wrapper around the old wxDisplayXXX() functions
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#if wxUSE_DISPLAY
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#include "wx/dynarray.h"
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#include "wx/vidmode.h"
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WX_DECLARE_EXPORTED_OBJARRAY(wxVideoMode, wxArrayVideoModes);
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// default, uninitialized, video mode object
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extern WXDLLIMPEXP_DATA_CORE(const wxVideoMode) wxDefaultVideoMode;
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#endif // wxUSE_DISPLAY
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class WXDLLIMPEXP_FWD_CORE wxWindow;
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class WXDLLIMPEXP_FWD_CORE wxPoint;
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class WXDLLIMPEXP_FWD_CORE wxRect;
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class WXDLLIMPEXP_FWD_BASE wxString;
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class WXDLLIMPEXP_FWD_CORE wxDisplayFactory;
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class WXDLLIMPEXP_FWD_CORE wxDisplayImpl;
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// ----------------------------------------------------------------------------
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// wxDisplay: represents a display/monitor attached to the system
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxDisplay
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{
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public:
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// initialize the object containing all information about the given
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// display
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//
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// the displays are numbered from 0 to GetCount() - 1, 0 is always the
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// primary display and the only one which is always supported
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wxDisplay(unsigned n = 0);
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// dtor is not virtual as this is a concrete class not meant to be derived
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// from
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~wxDisplay();
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// return the number of available displays, valid parameters to
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// wxDisplay ctor are from 0 up to this number
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static unsigned GetCount();
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// find the display where the given point lies, return wxNOT_FOUND if
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// it doesn't belong to any display
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static int GetFromPoint(const wxPoint& pt);
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// find the display where the given window lies, return wxNOT_FOUND if it
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// is not shown at all
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static int GetFromWindow(const wxWindow *window);
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// return true if the object was initialized successfully
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bool IsOk() const { return m_impl != NULL; }
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// get the full display size
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wxRect GetGeometry() const;
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// get the client area of the display, i.e. without taskbars and such
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wxRect GetClientArea() const;
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// name may be empty
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wxString GetName() const;
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// display 0 is usually the primary display
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bool IsPrimary() const;
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#if wxUSE_DISPLAY
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// enumerate all video modes supported by this display matching the given
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// one (in the sense of wxVideoMode::Match())
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//
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// as any mode matches the default value of the argument and there is
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// always at least one video mode supported by display, the returned array
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// is only empty for the default value of the argument if this function is
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// not supported at all on this platform
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wxArrayVideoModes
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GetModes(const wxVideoMode& mode = wxDefaultVideoMode) const;
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// get current video mode
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wxVideoMode GetCurrentMode() const;
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// change current mode, return true if succeeded, false otherwise
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//
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// for the default value of the argument restores the video mode to default
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bool ChangeMode(const wxVideoMode& mode = wxDefaultVideoMode);
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// restore the default video mode (just a more readable synonym)
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void ResetMode() { (void)ChangeMode(); }
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#endif // wxUSE_DISPLAY
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private:
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// returns the factory used to implement our static methods and create new
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// displays
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static wxDisplayFactory& Factory();
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// creates the factory object, called by Factory() when it is called for
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// the first time and should return a pointer allocated with new (the
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// caller will delete it)
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//
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// this method must be implemented in platform-specific code if
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// wxUSE_DISPLAY == 1 (if it is 0 we provide the stub in common code)
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static wxDisplayFactory *CreateFactory();
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// the real implementation
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wxDisplayImpl *m_impl;
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wxDECLARE_NO_COPY_CLASS(wxDisplay);
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};
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#endif // _WX_DISPLAY_H_BASE_
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