Stellarium 0.13.0
AngleSpinBox.hpp
1 /*
2  * Stellarium
3  * Copyright (C) 2008 Matthew Gates
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
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9  *
10  * This program is distributed in the hope that it will be useful,
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13  * GNU General Public License for more details.
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17  * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
18  */
19 
20 #ifndef _ANGLESPINBOX_HPP_
21 #define _ANGLESPINBOX_HPP_
22 
23 #include <QAbstractSpinBox>
24 #include <QString>
25 
30 class AngleSpinBox : public QAbstractSpinBox
31 {
32  Q_OBJECT
33 
34 public:
38  {
44  };
45 
49  {
54  Unknown
55  };
56 
57  AngleSpinBox(QWidget* parent=0, DisplayFormat format=DMSSymbols, PrefixType prefix=Normal);
58  ~AngleSpinBox();
59 
60  // QAbstractSpinBox virtual members
61  virtual void stepBy(int steps);
62  virtual QValidator::State validate(QString& input, int& pos) const;
63 
66  double valueRadians();
69  double valueDegrees();
70 
73  void setDecimals(int places) { decimalPlaces = places; }
74 
77  int decimals() { return decimalPlaces; }
78 
81  void setDisplayFormat(DisplayFormat format) { angleSpinBoxFormat=format; formatText(); }
82 
85  DisplayFormat displayFormat() { return angleSpinBoxFormat; }
86 
89  void setPrefixType(PrefixType prefix) { currentPrefixType=prefix; formatText(); }
90 
93  PrefixType prefixType() { return currentPrefixType; }
94 
95 public slots:
97  virtual void clear();
98 
101  void setRadians(double radians);
102 
105  void setDegrees(double degrees);
106 
107 signals:
109  void valueChanged();
110 
111 protected:
112  virtual StepEnabled stepEnabled() const;
113 
114 private slots:
116  void updateValue(void);
117 
118 private:
126  double stringToDouble(QString input, QValidator::State* state, PrefixType prefix=Unknown) const;
127 
129  enum AngleSpinboxSection
130  {
131  SectionPrefix,
132  SectionDegreesHours,
133  SectionMinutes,
134  SectionSeconds,
135  SectionNone
136  };
137 
139  AngleSpinboxSection getCurrentSection() const;
140 
144  void formatText(void);
145 
146  static const QString positivePrefix(PrefixType prefix);
147  static const QString negativePrefix(PrefixType prefix);
148 
149  DisplayFormat angleSpinBoxFormat;
150  PrefixType currentPrefixType;
151  int decimalPlaces;
152  double radAngle;
153 
154 };
155 
156 #endif // _ANGLESPINBOX_HPP_
void valueChanged()
Emitted when the value changes.
Hours, minutes and seconds, e.g. 12h 4m 6s.
Definition: AngleSpinBox.hpp:41
negative values have '-' prefix
Definition: AngleSpinBox.hpp:50
void setDisplayFormat(DisplayFormat format)
Set the display format.
Definition: AngleSpinBox.hpp:81
double valueRadians()
Get the angle held in the AngleSpinBox.
DisplayFormat
Used to decide how to display the angle.
Definition: AngleSpinBox.hpp:37
Hours, minutes and seconds, e.g. 12h 4' 6s".
Definition: AngleSpinBox.hpp:42
double valueDegrees()
Get the angle held in the AngleSpinBox.
positive values have 'E' prefix, negative values have 'W' prefix.
Definition: AngleSpinBox.hpp:52
virtual void clear()
Set the value to default 0 angle.
Degrees, minutes and seconds, e.g. 180d 4m 8s.
Definition: AngleSpinBox.hpp:39
void setRadians(double radians)
Set the value of the spin box in radians.
Degrees, minutes and seconds, e.g. 180° 4' 8".
Definition: AngleSpinBox.hpp:40
A spin box for displaying/entering angular values.
Definition: AngleSpinBox.hpp:30
void setDegrees(double degrees)
Set the value of the spin box in decimal degrees.
void setDecimals(int places)
Set the number of decimal places to express float values to (e.g.
Definition: AngleSpinBox.hpp:73
positive values have '+' prefix, negative values have '-' prefix.
Definition: AngleSpinBox.hpp:51
positive values have 'N' prefix, negative values have 'S' prefix.
Definition: AngleSpinBox.hpp:53
PrefixType prefixType()
Get the current display format.
Definition: AngleSpinBox.hpp:93
void setPrefixType(PrefixType prefix)
Set the prefix type.
Definition: AngleSpinBox.hpp:89
DisplayFormat displayFormat()
Get the current display format.
Definition: AngleSpinBox.hpp:85
Decimal degrees, e.g. 180.06888.
Definition: AngleSpinBox.hpp:43
int decimals()
Get the number of decimal places to express float values to (e.g.
Definition: AngleSpinBox.hpp:77
PrefixType
Determines how positive and negative values are indicated.
Definition: AngleSpinBox.hpp:48