include/wx/display.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        display.h
   3 // Purpose:     wxDisplay class
   4 // Author:      Royce Mitchell III
   5 // Modified by:
   6 // Created:     06/21/02
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWindows team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DISPLAY_H_BASE_
  13 #define _WX_DISPLAY_H_BASE_
  14
  15 #if wxUSE_DISPLAY
  16
  17 #ifdef __GNUG__
  18     #pragma interface "display.h"
  19 #endif
  20
  21 class wxPoint;
  22 class wxRect;
  23 class wxString;
  24
  25 class WXDLLEXPORT wxDisplayBase
  26 {
  27 public:
  28     // initialize the object containing all information about the given
  29     // display
  30     wxDisplayBase ( size_t index = 0 ) : m_index ( index )
  31     {
  32         wxASSERT_MSG(m_index < wxDisplayBase::GetCount(), wxT("An invalid index was passed to wxDisplay"));
  33     }
  34
  35     // accessors
  36
  37     // return the number of available displays, valid parameters to
  38     // wxDisplay ctor are from 0 up to this number
  39     static size_t GetCount();
  40
  41     // find the display where the given point lies, return -1 if
  42     // it doesn't belong to any display
  43     static int GetFromPoint ( const wxPoint& pt );
  44
  45     virtual wxRect GetGeometry() const = 0;
  46     virtual int GetDepth() const = 0;
  47     bool IsColour() const { return GetDepth() != 1; }
  48
  49     // some people never learn to spell ;-)
  50     bool IsColor() const { return IsColour(); }
  51
  52     // name may be empty
  53     virtual wxString GetName() const = 0;
  54
  55     // let display 0 always be the primary display
  56     bool IsPrimary() { return m_index == 0; }
  57
  58
  59     virtual ~wxDisplayBase() {}
  60
  61 protected:
  62     size_t m_index; // which display did we select when creating this file?
  63
  64     DECLARE_NO_COPY_CLASS(wxDisplayBase);
  65 };
  66
  67 #if defined(__WXMSW__)
  68     #include "wx/msw/display.h"
  69 #elif defined(__WXMOTIF__)
  70     #include "wx/motif/display.h"
  71 #elif defined(__WXGTK__)
  72     #include "wx/gtk/display.h"
  73 #elif defined(__WXMAC__)
  74     #include "wx/mac/display.h"
  75 #elif defined(__WXPM__)
  76     #include "wx/os2/display.h"
  77 #endif
  78
  79 #endif // wxUSE_DISPLAY
  80
  81 #endif // _WX_DISPLAY_H_BASE_