source: trunk/examples/widgets/validators/main.cpp@ 158

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#include <qdebug.h>
#include <QApplication>
#include <QLineEdit>
#include <QValidator>

#include "ui_validators.h"

class ValidatorWidget : public QWidget, public Ui::ValidatorsForm
{
    Q_OBJECT
public:
    ValidatorWidget(QWidget *parent = 0);

private slots:
    void updateValidator();
    void updateDoubleValidator();
    void _setLocale(const QLocale &l) { setLocale(l); updateValidator(); updateDoubleValidator(); }

private:
    QIntValidator *validator;
    QDoubleValidator *doubleValidator;
};

ValidatorWidget::ValidatorWidget(QWidget *parent)
    : QWidget(parent)
{
    setupUi(this);

    connect(localeSelector, SIGNAL(localeSelected(QLocale)), this, SLOT(_setLocale(QLocale)));

    connect(minVal, SIGNAL(editingFinished()), this, SLOT(updateValidator()));
    connect(maxVal, SIGNAL(editingFinished()), this, SLOT(updateValidator()));
    connect(editor, SIGNAL(editingFinished()), ledWidget, SLOT(flash()));

    connect(doubleMaxVal, SIGNAL(editingFinished()), this, SLOT(updateDoubleValidator()));
    connect(doubleMinVal, SIGNAL(editingFinished()), this, SLOT(updateDoubleValidator()));
    connect(doubleDecimals, SIGNAL(valueChanged(int)), this, SLOT(updateDoubleValidator()));