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KUnitConversion

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unit.h
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1 /*
2  * Copyright (C) 2007-2009 Petri Damstén <damu@iki.fi>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Library General Public License as
6  * published by the Free Software Foundation; either version 2, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this program; if not, write to the
16  * Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19 
20 #ifndef KUNITCONVERSION_UNIT_H
21 #define KUNITCONVERSION_UNIT_H
22 
23 #include <QtCore/QString>
24 #include <ksharedptr.h>
25 #include "kunitconversion_export.h"
26 
27 class KLocalizedString;
28 
29 namespace KUnitConversion
30 {
31 
32 class UnitCategory;
33 
34 class KUNITCONVERSION_EXPORT Complex
35 {
36 public:
37  Complex();
38  virtual ~Complex();
39  virtual double toDefault(double) const = 0;
40  virtual double fromDefault(double) const = 0;
41 };
42 
43 class KUNITCONVERSION_EXPORT Unit : public QSharedData
44 {
45 public:
46  Unit(UnitCategory* category, int id, double multiplier, const QString& symbol,
47  const QString& description, const QString& match,
48  const KLocalizedString& real, const KLocalizedString& integer);
49  Unit(UnitCategory* category, int id, const Complex* complex, const QString& symbol,
50  const QString& description, const QString& match,
51  const KLocalizedString& real, const KLocalizedString& integer);
52  virtual ~Unit();
53 
57  QString description() const;
58 
62  QString symbol() const;
63 
74  QString toString(double value, int fieldWidth = 0, char format = 'g', int precision = -1,
75  const QChar& fillChar = QLatin1Char(' ')) const;
76 
87  QString toSymbolString(double value, int fieldWidth = 0, char format = 'g',
88  int precision = -1, const QChar& fillChar = QLatin1Char(' ')) const;
89 
93  double multiplier() const;
94 
98  void setMultiplier(double multiplier);
99 
103  UnitCategory* category() const;
104 
108  bool isValid() const;
109 
113  int id() const;
114 
115 protected:
116  double toDefault(double value) const;
117  double fromDefault(double value) const;
118 
119 private:
120  friend class UnitCategory;
121  class Private;
122  Private* const d;
123 };
124 
125 typedef KSharedPtr<Unit> UnitPtr;
126 
127 #define UP(id, m, s, d, sy, r, i) \
128  (KUnitConversion::UnitPtr(new KUnitConversion::Unit(this, id, m, s, d, sy, r, i)))
129 #define U(id, m, s, d, sy, r, i) (new KUnitConversion::Unit(this, id, m, s, d, sy, r, i))
130 
131 } // KUnitConversion namespace
132 
133 #endif
KUnitConversion::Complex
Definition: unit.h:34
QChar
KUnitConversion::Unit
Definition: unit.h:43
QSharedData
QString
QLatin1Char
KUnitConversion::UnitCategory
Definition: unitcategory.h:33
KUnitConversion::UnitPtr
KSharedPtr< Unit > UnitPtr
Definition: unit.h:125
kunitconversion_export.h
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