- Qt 5.5
- Qt Widgets
- Part 7 - Additional Features
- finddialog.cpp Example File
- Qt 5.5.1 Reference Documentation

# finddialog.cpp Example File

tutorials/addressbook/part7/finddialog.cpp

    /****************************************************************************
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    ** This file is part of the examples of the Qt Toolkit.
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    #include <QtWidgets>
    #include "finddialog.h"

    FindDialog::FindDialog(QWidget *parent)
        : QDialog(parent)
    {
        QLabel *findLabel = new QLabel(tr("Enter the name of a contact:"));
        lineEdit = new QLineEdit;

        findButton = new QPushButton(tr("&Find"));
        findText = "";

        QHBoxLayout *layout = new QHBoxLayout;
        layout->addWidget(findLabel);
        layout->addWidget(lineEdit);
        layout->addWidget(findButton);

        setLayout(layout);
        setWindowTitle(tr("Find a Contact"));
        connect(findButton, SIGNAL(clicked()), this, SLOT(findClicked()));
        connect(findButton, SIGNAL(clicked()), this, SLOT(accept()));
    }

    void FindDialog::findClicked()
    {
        QString text = lineEdit->text();

        if (text.isEmpty()) {
            QMessageBox::information(this, tr("Empty Field"),
                tr("Please enter a name."));
            return;
        } else {
            findText = text;
            lineEdit->clear();
            hide();
        }
    }

    QString FindDialog::getFindText()
    {
        return findText;
    }