File indexing completed on 2024-04-21 05:43:40

 /***************************************************************************
  *   Copyright (C) 2020 by Friedrich W. H. Kossebau - kossebau@kde.org     *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  ***************************************************************************/
 
 #include "inputdialog.h"
 
 #include <QDialog>
 #include <QDialogButtonBox>
 #include <QHBoxLayout>
 #include <QLabel>
 #include <QLineEdit>
 #include <QPushButton>
 #include <QString>
 #include <QVBoxLayout>
 #include <QValidator>
 
 namespace InputDialog
 {
 class Dialog : public QDialog
 {
     Q_OBJECT
 
 public:
     Dialog(const QString &windowTitle, const QString &labelText, const QString &value, QWidget *parent, QValidator *validator);
 
     QString text() const;
 
 private Q_SLOTS:
     void handleTextChanged(const QString &text);
 
 private:
     QValidator *m_validator;
     QLineEdit *m_lineEdit;
     QDialogButtonBox *m_buttonBox;
 };
 
 Dialog::Dialog(const QString &windowTitle, const QString &labelText, const QString &value, QWidget *parent, QValidator *validator)
     : QDialog(parent)
     , m_validator(validator)
 {
     setWindowTitle(windowTitle);
     setModal(true);
 
     QVBoxLayout *layout = new QVBoxLayout;
     setLayout(layout);
     QHBoxLayout *editLayout = new QHBoxLayout;
 
     QLabel *label = new QLabel(labelText, this);
     label->setWordWrap(true);
     editLayout->addWidget(label);
 
     m_lineEdit = new QLineEdit(this);
     m_lineEdit->setText(value);
     m_lineEdit->setClearButtonEnabled(true);
     m_lineEdit->setFocus();
     if (validator) {
         m_lineEdit->setValidator(validator);
     }
     label->setBuddy(m_lineEdit);
     editLayout->addWidget(m_lineEdit);
 
     layout->addLayout(editLayout);
 
     layout->addStretch();
 
     m_buttonBox = new QDialogButtonBox(this);
     m_buttonBox->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
     connect(m_buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
     connect(m_buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
     layout->addWidget(m_buttonBox);
 
     connect(m_lineEdit, &QLineEdit::textChanged, this, &Dialog::handleTextChanged);
 
     handleTextChanged(value);
 }
 
 QString Dialog::text() const
 {
     return m_lineEdit->text();
 }
 
 void Dialog::handleTextChanged(const QString &text)
 {
     bool acceptable;
 
     if (m_validator) {
         QString validatedText(text);
         int index = m_lineEdit->cursorPosition();
         acceptable = (m_validator->validate(validatedText, index) == QValidator::Acceptable);
     } else {
         acceptable = !text.trimmed().isEmpty();
     }
 
     m_buttonBox->button(QDialogButtonBox::Ok)->setEnabled(acceptable);
 }
 
 QString getText(const QString &windowTitle, const QString &labelText, const QString &value, bool *ok, QWidget *parent, QValidator *validator)
 {
     Dialog *dialog = new Dialog(windowTitle, labelText, value, parent, validator);
 
     const bool accepted = (dialog->exec() == QDialog::Accepted);
 
     const QString result = accepted ? dialog->text() : QString();
     if (ok) {
         *ok = accepted;
     }
 
     delete dialog;
 
     return result;
 }
 
 }
 
 #include "inputdialog.moc"