finddialog.cpp Example File | Qt Widgets 5.12.11

- Qt 5.12
- Qt Widgets
- Part 7 - Additional Features
- finddialog.cpp Example File
- Qt 5.12.11 Reference Documentation

# finddialog.cpp Example File

tutorials/addressbook/part7/finddialog.cpp

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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;
     }