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3** Copyright (C) 2016 The Qt Company Ltd.
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40
41#ifndef QVALIDATOR_H
42#define QVALIDATOR_H
43
44#include <QtGui/qtguiglobal.h>
45#include <QtCore/qobject.h>
46#include <QtCore/qstring.h>
47#include <QtCore/qregexp.h>
48#if QT_CONFIG(regularexpression)
49# include <QtCore/qregularexpression.h>
50#endif
51#include <QtCore/qlocale.h>
52
53QT_BEGIN_NAMESPACE
54
55
56#ifndef QT_NO_VALIDATOR
57
58class QValidatorPrivate;
59
60class Q_GUI_EXPORT QValidator : public QObject
61{
62 Q_OBJECT
63public:
64 explicit QValidator(QObject * parent = nullptr);
65 ~QValidator();
66
67 enum State {
68 Invalid,
69 Intermediate,
70 Acceptable
71 };
72 Q_ENUM(State)
73
74 void setLocale(const QLocale &locale);
75 QLocale locale() const;
76
77 virtual State validate(QString &, int &) const = 0;
78 virtual void fixup(QString &) const;
79
80Q_SIGNALS:
81 void changed();
82
83protected:
84 QValidator(QObjectPrivate &d, QObject *parent);
85 QValidator(QValidatorPrivate &d, QObject *parent);
86
87private:
88 Q_DISABLE_COPY(QValidator)
89 Q_DECLARE_PRIVATE(QValidator)
90};
91
92class Q_GUI_EXPORT QIntValidator : public QValidator
93{
94 Q_OBJECT
95 Q_PROPERTY(int bottom READ bottom WRITE setBottom NOTIFY bottomChanged)
96 Q_PROPERTY(int top READ top WRITE setTop NOTIFY topChanged)
97
98public:
99 explicit QIntValidator(QObject * parent = nullptr);
100 QIntValidator(int bottom, int top, QObject *parent = nullptr);
101 ~QIntValidator();
102
103 QValidator::State validate(QString &, int &) const override;
104 void fixup(QString &input) const override;
105
106 void setBottom(int);
107 void setTop(int);
108 virtual void setRange(int bottom, int top);
109
110 int bottom() const { return b; }
111 int top() const { return t; }
112Q_SIGNALS:
113 void bottomChanged(int bottom);
114 void topChanged(int top);
115
116private:
117 Q_DISABLE_COPY(QIntValidator)
118
119 int b;
120 int t;
121};
122
123#ifndef QT_NO_REGEXP
124
125class QDoubleValidatorPrivate;
126
127class Q_GUI_EXPORT QDoubleValidator : public QValidator
128{
129 Q_OBJECT
130 Q_PROPERTY(double bottom READ bottom WRITE setBottom NOTIFY bottomChanged)
131 Q_PROPERTY(double top READ top WRITE setTop NOTIFY topChanged)
132 Q_PROPERTY(int decimals READ decimals WRITE setDecimals NOTIFY decimalsChanged)
133 Q_PROPERTY(Notation notation READ notation WRITE setNotation NOTIFY notationChanged)
134
135public:
136 explicit QDoubleValidator(QObject * parent = nullptr);
137 QDoubleValidator(double bottom, double top, int decimals, QObject *parent = nullptr);
138 ~QDoubleValidator();
139
140 enum Notation {
141 StandardNotation,
142 ScientificNotation
143 };
144 Q_ENUM(Notation)
145 QValidator::State validate(QString &, int &) const override;
146
147 virtual void setRange(double bottom, double top, int decimals = 0);
148 void setBottom(double);
149 void setTop(double);
150 void setDecimals(int);
151 void setNotation(Notation);
152
153 double bottom() const { return b; }
154 double top() const { return t; }
155 int decimals() const { return dec; }
156 Notation notation() const;
157
158Q_SIGNALS:
159 void bottomChanged(double bottom);
160 void topChanged(double top);
161 void decimalsChanged(int decimals);
162 void notationChanged(QDoubleValidator::Notation notation);
163
164private:
165 Q_DECLARE_PRIVATE(QDoubleValidator)
166 Q_DISABLE_COPY(QDoubleValidator)
167
168 double b;
169 double t;
170 int dec;
171};
172
173
174class Q_GUI_EXPORT QRegExpValidator : public QValidator
175{
176 Q_OBJECT
177 Q_PROPERTY(QRegExp regExp READ regExp WRITE setRegExp NOTIFY regExpChanged)
178
179public:
180 explicit QRegExpValidator(QObject *parent = nullptr);
181 explicit QRegExpValidator(const QRegExp& rx, QObject *parent = nullptr);
182 ~QRegExpValidator();
183
184 virtual QValidator::State validate(QString& input, int& pos) const override;
185
186 void setRegExp(const QRegExp& rx);
187 const QRegExp& regExp() const { return r; }
188
189Q_SIGNALS:
190 void regExpChanged(const QRegExp& regExp);
191
192private:
193 Q_DISABLE_COPY(QRegExpValidator)
194
195 QRegExp r;
196};
197
198#endif // QT_NO_REGEXP
199
200#if QT_CONFIG(regularexpression)
201
202class QRegularExpressionValidatorPrivate;
203
204class Q_GUI_EXPORT QRegularExpressionValidator : public QValidator
205{
206 Q_OBJECT
207 Q_PROPERTY(QRegularExpression regularExpression READ regularExpression WRITE setRegularExpression NOTIFY regularExpressionChanged)
208
209public:
210 explicit QRegularExpressionValidator(QObject *parent = nullptr);
211 explicit QRegularExpressionValidator(const QRegularExpression &re, QObject *parent = nullptr);
212 ~QRegularExpressionValidator();
213
214 virtual QValidator::State validate(QString &input, int &pos) const override;
215
216 QRegularExpression regularExpression() const;
217
218public Q_SLOTS:
219 void setRegularExpression(const QRegularExpression &re);
220
221Q_SIGNALS:
222 void regularExpressionChanged(const QRegularExpression &re);
223
224private:
225 Q_DISABLE_COPY(QRegularExpressionValidator)
226 Q_DECLARE_PRIVATE(QRegularExpressionValidator)
227};
228
229#endif // QT_CONFIG(regularexpression)
230
231#endif // QT_NO_VALIDATOR
232
233QT_END_NAMESPACE
234
235#endif // QVALIDATOR_H
236

source code of qtbase/src/gui/util/qvalidator.h