kworship/css/KwCssStandardise.h

   1 /***************************************************************************
   2  *   This file is part of KWorship.                                        *
   3  *   Copyright 2008 James Hogan <james@albanarts.com>                      *
   4  *                                                                         *
   5  *   KWorship is free software: you can redistribute it and/or modify      *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation, either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   KWorship is distributed in the hope that it will be useful,           *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with KWorship.  If not, write to the Free Software Foundation,  *
  17  *   Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   *
  18  ***************************************************************************/
  19
  20 #ifndef _KwCssStandardise_h_
  21 #define _KwCssStandardise_h_
  22
  23 /**
  24  * @file KwCssStandardise.h
  25  * @brief Macros for css standardisation.
  26  * @author James Hogan <james@albanarts.com>
  27  */
  28
  29 #include "KwCssScope.h"
  30
  31 /// Simple class for accessing a style.
  32 template <typename T>
  33 class KwCssStyleAccessor
  34 {
  35   public:
  36     virtual ~KwCssStyleAccessor()
  37     {
  38     }
  39     /*
  40      * Main interface
  41      */
  42     T operator () (const KwCssScope* scope) const
  43     {
  44       return scope->getStyles().getStyle<T>(getName());
  45     }
  46   protected:
  47     virtual QString getName() const = 0;
  48 };
  49
  50 /// Start the root css namespace.
  51 #define KWCSS_ROOT_NAMESPACE(NAME) \
  52   namespace NAME \
  53   { \
  54     QString _scopeName() \
  55     { \
  56       return #NAME; \
  57     }
  58
  59 /// Start a non-root css namespace.
  60 #define KWCSS_START_NAMESPACE(PREV,NAME) \
  61   namespace NAME \
  62   { \
  63     QString _scopeName() \
  64     { \
  65       return #PREV "." #NAME; \
  66     }
  67
  68 /// End a css namespace.
  69 #define KWCSS_END_NAMESPACE() \
  70   };
  71
  72 /// Define a property in a css namespace.
  73 #define KWCSS_DEFINE_PROPERTY(TYPE, LNAME) \
  74   class Acc_##LNAME : public KwCssStyleAccessor< TYPE > \
  75   { \
  76     protected: \
  77       virtual QString getName() const \
  78       { \
  79         QString name = _scopeName(); \
  80         name.append("." #LNAME); \
  81         return name; \
  82       } \
  83   } LNAME;
  84
  85 #endif // _KwCssStandardise_h_
  86