lib/Display.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // Display.hh for Blackbox - an X11 Window manager
   3 // Copyright (c) 2001 - 2005 Sean 'Shaleh' Perry <shaleh at debian.org>
   4 // Copyright (c) 1997 - 2000, 2002 - 2005
   5 //         Bradley T Hughes <bhughes at trolltech.com>
   6 //
   7 // Permission is hereby granted, free of charge, to any person obtaining a
   8 // copy of this software and associated documentation files (the "Software"),
   9 // to deal in the Software without restriction, including without limitation
  10 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11 // and/or sell copies of the Software, and to permit persons to whom the
  12 // Software is furnished to do so, subject to the following conditions:
  13 //
  14 // The above copyright notice and this permission notice shall be included in
  15 // all copies or substantial portions of the Software.
  16 //
  17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23 // DEALINGS IN THE SOFTWARE.
  24
  25 #ifndef   __Display_hh
  26 #define   __Display_hh
  27
  28 #include "Rect.hh"
  29 #include "Util.hh"
  30
  31 #include <X11/Xlib.h>
  32
  33 namespace bt {
  34
  35   // forward declarations
  36   class ScreenInfo;
  37
  38   class Display : public NoCopy {
  39   private:
  40     ::Display *xdisplay;
  41     ScreenInfo** screen_info_list;
  42     size_t screen_info_count;
  43
  44   public:
  45     Display(const char *dpy_name, bool multi_head);
  46     ~Display(void);
  47
  48     inline ::Display* XDisplay(void) const
  49     { return xdisplay; }
  50
  51     inline unsigned int screenCount(void) const
  52     { return screen_info_count; }
  53     const ScreenInfo &screenInfo(unsigned int i) const;
  54   };
  55
  56   class ScreenInfo: public NoCopy {
  57   private:
  58     Display& _display;
  59     Visual *_visual;
  60     Window _rootwindow;
  61     Colormap _colormap;
  62     int _depth;
  63     unsigned int _screennumber;
  64     std::string _displaystring;
  65     Rect _rect;
  66
  67   public:
  68     ScreenInfo(Display& d, unsigned int num);
  69
  70     inline Display& display(void) const
  71     { return _display; }
  72
  73     inline Visual *visual(void) const
  74     { return _visual; }
  75     inline Window rootWindow(void) const
  76     { return _rootwindow; }
  77     inline Colormap colormap(void) const
  78     { return _colormap; }
  79
  80     inline int depth(void) const
  81     { return _depth; }
  82
  83     inline unsigned int screenNumber(void) const
  84     { return _screennumber; }
  85
  86     inline const Rect& rect(void) const
  87     { return _rect; }
  88     inline unsigned int width(void) const
  89     { return _rect.width(); }
  90     inline unsigned int height(void) const
  91     { return _rect.height(); }
  92
  93     inline const std::string& displayString(void) const
  94     { return _displaystring; }
  95   };
  96
  97 } // namespace bt
  98
  99 #endif // __Display_hh