interface/wx/display.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        display.h
   3 // Purpose:     interface of wxDisplay
   4 // Author:      wxWidgets team
   5 // Licence:     wxWindows licence
   6 /////////////////////////////////////////////////////////////////////////////
   7
   8 /**
   9     @class wxDisplay
  10
  11     Determines the sizes and locations of displays connected to the system.
  12
  13     @library{wxcore}
  14     @category{cfg}
  15
  16     @see wxClientDisplayRect(), wxDisplaySize(), wxDisplaySizeMM()
  17 */
  18 class wxDisplay
  19 {
  20 public:
  21     /**
  22         Constructor, setting up a wxDisplay instance with the specified
  23         display.
  24
  25         @param index
  26             The index of the display to use. This must be non-negative and
  27             lower than the value returned by GetCount().
  28     */
  29     wxDisplay(unsigned int index = 0);
  30
  31     /**
  32         Destructor.
  33     */
  34     ~wxDisplay();
  35
  36     /**
  37         Changes the video mode of this display to the mode specified in the
  38         mode parameter.
  39
  40         If wxDefaultVideoMode is passed in as the mode parameter, the defined
  41         behaviour is that wxDisplay will reset the video mode to the default
  42         mode used by the display. On Windows, the behaviour is normal. However,
  43         there are differences on other platforms. On Unix variations using X11
  44         extensions it should behave as defined, but some irregularities may
  45         occur.
  46     */
  47     bool ChangeMode(const wxVideoMode& mode = wxDefaultVideoMode);
  48
  49     /**
  50         Returns the client area of the display. The client area is the part of
  51         the display available for the normal (non full screen) windows, usually
  52         it is the same as GetGeometry() but it could be less if there is a
  53         taskbar (or equivalent) on this display.
  54     */
  55     wxRect GetClientArea() const;
  56
  57     /**
  58         Returns the number of connected displays.
  59     */
  60     static unsigned int GetCount();
  61
  62     /**
  63         Returns the current video mode that this display is in.
  64     */
  65     wxVideoMode GetCurrentMode() const;
  66
  67     /**
  68         Returns the index of the display on which the given point lies, or
  69         @c wxNOT_FOUND if the point is not on any connected display.
  70
  71         @param pt
  72             The point to locate.
  73     */
  74     static int GetFromPoint(const wxPoint& pt);
  75
  76     /**
  77         Returns the index of the display on which the given window lies.
  78
  79         If the window is on more than one display it gets the display that
  80         overlaps the window the most.
  81
  82         Returns @c wxNOT_FOUND if the window is not on any connected display.
  83
  84         @param win
  85             The window to locate.
  86     */
  87     static int GetFromWindow(const wxWindow* win);
  88
  89     /**
  90         Returns the bounding rectangle of the display whose index was passed to
  91         the constructor.
  92
  93         @see GetClientArea(), wxDisplaySize()
  94     */
  95     wxRect GetGeometry() const;
  96
  97     /**
  98         Fills and returns an array with all the video modes that are supported
  99         by this display, or video modes that are supported by this display and
 100         match the mode parameter (if mode is not wxDefaultVideoMode).
 101     */
 102     wxArrayVideoModes GetModes(const wxVideoMode& mode = wxDefaultVideoMode) const;
 103
 104     /**
 105         Returns the display's name. A name is not available on all platforms.
 106     */
 107     wxString GetName() const;
 108
 109     /**
 110         Returns @true if the display is the primary display. The primary
 111         display is the one whose index is 0.
 112     */
 113     bool IsPrimary() const;
 114 };
 115