lib/Rect.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // Rect.hh for Blackbox - an X11 Window manager
   3 // Copyright (c) 2001 - 2005 Sean 'Shaleh' Perry <shaleh@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 __Rect_hh
  26 #define __Rect_hh
  27
  28 namespace bt {
  29
  30   class Rect {
  31   public:
  32     inline Rect(void)
  33       : _x1(0), _y1(0), _x2(0), _y2(0)
  34     { }
  35     inline Rect(int x_, int y_, unsigned int w, unsigned int h)
  36       : _x1(x_), _y1(y_), _x2(w + x_ - 1), _y2(h + y_ - 1)
  37     { }
  38
  39     inline int left(void) const
  40     { return _x1; }
  41     inline int top(void) const
  42     { return _y1; }
  43     inline int right(void) const
  44     { return _x2; }
  45     inline int bottom(void) const
  46     { return _y2; }
  47
  48     inline int x(void) const
  49     { return _x1; }
  50     inline int y(void) const
  51     { return _y1; }
  52     void setX(int x_);
  53     void setY(int y_);
  54     void setPos(int x_, int y_);
  55
  56     inline unsigned int width(void) const
  57     { return _x2 - _x1 + 1; }
  58     inline unsigned int height(void) const
  59     { return _y2 - _y1 + 1; }
  60     void setWidth(unsigned int w);
  61     void setHeight(unsigned int h);
  62     void setSize(unsigned int w, unsigned int h);
  63
  64     void setRect(int x_, int y_, unsigned int w, unsigned int h);
  65
  66     void setCoords(int l, int t, int r, int b);
  67
  68     inline bool operator==(const Rect &a) const
  69     { return _x1 == a._x1 && _y1 == a._y1 && _x2 == a._x2 && _y2 == a._y2; }
  70     inline bool operator!=(const Rect &a) const
  71     { return (!operator==(a)); }
  72
  73     Rect operator|(const Rect &a) const;
  74     Rect operator&(const Rect &a) const;
  75     inline Rect &operator|=(const Rect &a)
  76     { *this = *this | a; return *this; }
  77     inline Rect &operator&=(const Rect &a)
  78     { *this = *this & a; return *this; }
  79
  80     inline bool valid(void) const
  81     { return _x2 > _x1 && _y2 > _y1; }
  82
  83     bool intersects(const Rect &a) const;
  84     bool contains(int x_, int y_) const;
  85
  86   private:
  87     int _x1, _y1, _x2, _y2;
  88   };
  89
  90 } // namespace bt
  91
  92 #endif // __Rect_hh