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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: display.h
	3	// Purpose: interface of wxDisplay
	4	// Author: wxWidgets team
	5	// RCS-ID: $Id$
	6	// Licence: wxWindows licence
	7	/////////////////////////////////////////////////////////////////////////////
	8
	9	/**
	10	@class wxDisplay
	11
	12	Determines the sizes and locations of displays connected to the system.
	13
	14	@library{wxcore}
	15	@category{cfg}
	16
	17	@see wxClientDisplayRect(), wxDisplaySize(), wxDisplaySizeMM()
	18	*/
	19	class wxDisplay
	20	{
	21	public:
	22	/**
	23	Constructor, setting up a wxDisplay instance with the specified
	24	display.
	25
	26	@param index
	27	The index of the display to use. This must be non-negative and
	28	lower than the value returned by GetCount().
	29	*/
	30	wxDisplay(unsigned int index = 0);
	31
	32	/**
	33	Destructor.
	34	*/
	35	~wxDisplay();
	36
	37	/**
	38	Changes the video mode of this display to the mode specified in the
	39	mode parameter.
	40
	41	If wxDefaultVideoMode is passed in as the mode parameter, the defined
	42	behaviour is that wxDisplay will reset the video mode to the default
	43	mode used by the display. On Windows, the behavior is normal. However,
	44	there are differences on other platforms. On Unix variations using X11
	45	extensions it should behave as defined, but some irregularities may
	46	occur.
	47
	48	On wxMac passing in wxDefaultVideoMode as the mode parameter does
	49	nothing. This happens because carbon no longer has access to
	50	@c DMUseScreenPrefs(), an undocumented function that changed the video
	51	mode to the system default by using the system's "scrn" resource.
	52	*/
	53	bool ChangeMode(const wxVideoMode& mode = wxDefaultVideoMode);
	54
	55	/**
	56	Returns the client area of the display. The client area is the part of
	57	the display available for the normal (non full screen) windows, usually
	58	it is the same as GetGeometry() but it could be less if there is a
	59	taskbar (or equivalent) on this display.
	60	*/
	61	wxRect GetClientArea() const;
	62
	63	/**
	64	Returns the number of connected displays.
	65	*/
	66	static unsigned int GetCount();
	67
	68	/**
	69	Returns the current video mode that this display is in.
	70	*/
	71	wxVideoMode GetCurrentMode() const;
	72
	73	/**
	74	Returns the index of the display on which the given point lies, or
	75	@c wxNOT_FOUND if the point is not on any connected display.
	76
	77	@param pt
	78	The point to locate.
	79	*/
	80	static int GetFromPoint(const wxPoint& pt);
	81
	82	/**
	83	Returns the index of the display on which the given window lies.
	84
	85	If the window is on more than one display it gets the display that
	86	overlaps the window the most.
	87
	88	Returns @c wxNOT_FOUND if the window is not on any connected display.
	89
	90	@param win
	91	The window to locate.
	92	*/
	93	static int GetFromWindow(const wxWindow* win);
	94
	95	/**
	96	Returns the bounding rectangle of the display whose index was passed to
	97	the constructor.
	98
	99	@see GetClientArea(), wxDisplaySize()
	100	*/
	101	wxRect GetGeometry() const;
	102
	103	/**
	104	Fills and returns an array with all the video modes that are supported
	105	by this display, or video modes that are supported by this display and
	106	match the mode parameter (if mode is not wxDefaultVideoMode).
	107	*/
	108	wxArrayVideoModes GetModes(const wxVideoMode& mode = wxDefaultVideoMode) const;
	109
	110	/**
	111	Returns the display's name. A name is not available on all platforms.
	112	*/
	113	wxString GetName() const;
	114
	115	/**
	116	Returns @true if the display is the primary display. The primary
	117	display is the one whose index is 0.
	118	*/
	119	bool IsPrimary() const;
	120	};
	121