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50
51#include "validatorwidget.h"
52
53#include <QIntValidator>
54
55ValidatorWidget::ValidatorWidget(QWidget *parent)
56 : QWidget(parent)
57{
58 setupUi(this);
59
60 connect(sender: localeSelector, signal: &LocaleSelector::localeSelected,
61 receiver: this, slot: &ValidatorWidget::setLocale);
62 connect(sender: localeSelector, signal: &LocaleSelector::localeSelected,
63 receiver: this, slot: &ValidatorWidget::updateValidator);
64 connect(sender: localeSelector, signal: &LocaleSelector::localeSelected,
65 receiver: this, slot: &ValidatorWidget::updateDoubleValidator);
66
67 connect(sender: minVal, signal: &QSpinBox::editingFinished,
68 receiver: this, slot: &ValidatorWidget::updateValidator);
69 connect(sender: maxVal, signal: &QSpinBox::editingFinished,
70 receiver: this, slot: &ValidatorWidget::updateValidator);
71 connect(sender: editor, signal: &QLineEdit::editingFinished,
72 receiver: ledWidget, slot: &LEDWidget::flash);
73
74 connect(sender: doubleMaxVal, signal: &QDoubleSpinBox::editingFinished,
75 receiver: this, slot: &ValidatorWidget::updateDoubleValidator);
76 connect(sender: doubleMinVal, signal: &QDoubleSpinBox::editingFinished,
77 receiver: this, slot: &ValidatorWidget::updateDoubleValidator);
78 connect(sender: doubleDecimals, signal: QOverload<int>::of(ptr: &QSpinBox::valueChanged),
79 receiver: this, slot: &ValidatorWidget::updateDoubleValidator);
80 connect(sender: doubleFormat, signal: QOverload<int>::of(ptr: &QComboBox::activated),
81 receiver: this, slot: &ValidatorWidget::updateDoubleValidator);
82 connect(sender: doubleEditor, signal: &QLineEdit::editingFinished,
83 receiver: doubleLedWidget, slot: &LEDWidget::flash);
84
85 updateValidator();
86 updateDoubleValidator();
87}
88
89void ValidatorWidget::updateValidator()
90{
91 QIntValidator *v = new QIntValidator(minVal->value(), maxVal->value(), this);
92 v->setLocale(locale());
93 delete editor->validator();
94 editor->setValidator(v);
95
96 QString s = editor->text();
97 int i = 0;
98 if (v->validate(s, i) == QValidator::Invalid) {
99 editor->clear();
100 } else {
101 editor->setText(s);
102 }
103}
104
105void ValidatorWidget::updateDoubleValidator()
106{
107 QDoubleValidator *v
108 = new QDoubleValidator(doubleMinVal->value(), doubleMaxVal->value(),
109 doubleDecimals->value(), this);
110 v->setNotation(static_cast<QDoubleValidator::Notation>(doubleFormat->currentIndex()));
111 v->setLocale(locale());
112 delete doubleEditor->validator();
113 doubleEditor->setValidator(v);
114
115 QString s = doubleEditor->text();
116 int i = 0;
117 if (v->validate(s, i) == QValidator::Invalid) {
118 doubleEditor->clear();
119 } else {
120 doubleEditor->setText(s);
121 }
122}
123

source code of qtbase/examples/widgets/widgets/validators/validatorwidget.cpp