Dogcows Code - chaz/openbox/blob - src/font.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; -*-
   2 // Font.hh for Blackbox - an X11 Window manager
   3 // Copyright (c) 2001 - 2002 Sean 'Shaleh' Perry <shaleh@debian.org>
   4 // Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
   5 //
   6 // Permission is hereby granted, free of charge, to any person obtaining a
   7 // copy of this software and associated documentation files (the "Software"),
   8 // to deal in the Software without restriction, including without limitation
   9 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 // and/or sell copies of the Software, and to permit persons to whom the
  11 // Software is furnished to do so, subject to the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be included in
  14 // all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22 // DEALINGS IN THE SOFTWARE.
  23
  24 #ifndef   __Font_hh
  25 #define   __Font_hh
  26
  27 extern "C" {
  28 #include <X11/Xlib.h>
  29
  30 #include <X11/Xft/Xft.h>
  31 }
  32
  33 #include <assert.h>
  34
  35 #include <string>
  36
  37 class BGCCache;
  38 class BGCCacheItem;
  39 class BColor;
  40
  41 #include "screen.hh"
  42
  43 class BFont {
  44   /*
  45    * static members
  46    */
  47 private:
  48   static std::string  _fallback_font;
  49
  50 public:
  51   // the fallback is only used for X fonts, not for Xft fonts, since it is
  52   // assumed that X fonts will be the fallback from Xft.
  53   inline static std::string fallbackFont(void) { return _fallback_font; }
  54   inline static void setFallbackFont(const std::string &f)
  55     { _fallback_font = f; }
  56
  57   /*
  58    * instance members
  59    */
  60 private:
  61   Display          *_display;
  62   BScreen          *_screen;
  63
  64   std::string       _family;
  65   bool              _simplename;  // true if not spec'd as a -*-* string
  66   int               _size;
  67   bool              _bold;
  68   bool              _italic;
  69
  70   bool              _antialias;
  71   bool              _shadow;
  72   unsigned char     _offset;
  73   unsigned char     _tint;
  74
  75   XftFont          *_xftfont;
  76
  77   bool createXftFont(void);
  78
  79   bool              _valid;
  80
  81 public:
  82   // loads an Xft font
  83   BFont(Display *d, BScreen *screen, const std::string &family, int size,
  84         bool bold, bool italic, bool shadow, unsigned char offset,
  85         unsigned char tint, bool antialias = True);
  86   virtual ~BFont(void);
  87
  88   inline bool valid(void) const { return _valid; }
  89
  90   inline std::string family(void) const { assert(_valid); return _family; }
  91   inline int size(void) const { assert(_valid); return _size; }
  92   inline bool bold(void) const { assert(_valid); return _bold; }
  93   inline bool italic(void) const { assert(_valid); return _italic; }
  94
  95   unsigned int height(void) const;
  96   unsigned int maxCharWidth(void) const;
  97
  98   unsigned int measureString(const std::string &string) const;
  99
 100   void drawString(Drawable d, int x, int y, const BColor &color,
 101                   const std::string &string) const;
 102 };
 103
 104 #endif // __Font_hh