tabdialog.cpp Example File

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 #include <QtWidgets>

 #include "tabdialog.h"

 TabDialog::TabDialog(const QString &fileName, QWidget *parent)
     : QDialog(parent)
 {
     QFileInfo fileInfo(fileName);

     tabWidget = new QTabWidget;
     tabWidget->addTab(new GeneralTab(fileInfo), tr("General"));
     tabWidget->addTab(new PermissionsTab(fileInfo), tr("Permissions"));
     tabWidget->addTab(new ApplicationsTab(fileInfo), tr("Applications"));

     buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
                                      | QDialogButtonBox::Cancel);

     connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
     connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

     QVBoxLayout *mainLayout = new QVBoxLayout;
     mainLayout->setSizeConstraint(QLayout::SetNoConstraint);
     mainLayout->addWidget(tabWidget);
     mainLayout->addWidget(buttonBox);
     setLayout(mainLayout);

     setWindowTitle(tr("Tab Dialog"));
 }

 GeneralTab::GeneralTab(const QFileInfo &fileInfo, QWidget *parent)
     : QWidget(parent)
 {
     QLabel *fileNameLabel = new QLabel(tr("File Name:"));
     QLineEdit *fileNameEdit = new QLineEdit(fileInfo.fileName());

     QLabel *pathLabel = new QLabel(tr("Path:"));
     QLabel *pathValueLabel = new QLabel(fileInfo.absoluteFilePath());
     pathValueLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);

     QLabel *sizeLabel = new QLabel(tr("Size:"));
     qlonglong size = fileInfo.size()/1024;
     QLabel *sizeValueLabel = new QLabel(tr("%1 K").arg(size));
     sizeValueLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);

     QLabel *lastReadLabel = new QLabel(tr("Last Read:"));
     QLabel *lastReadValueLabel = new QLabel(fileInfo.lastRead().toString());
     lastReadValueLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);

     QLabel *lastModLabel = new QLabel(tr("Last Modified:"));
     QLabel *lastModValueLabel = new QLabel(fileInfo.lastModified().toString());
     lastModValueLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);

     QVBoxLayout *mainLayout = new QVBoxLayout;
     mainLayout->addWidget(fileNameLabel);
     mainLayout->addWidget(fileNameEdit);
     mainLayout->addWidget(pathLabel);
     mainLayout->addWidget(pathValueLabel);
     mainLayout->addWidget(sizeLabel);
     mainLayout->addWidget(sizeValueLabel);
     mainLayout->addWidget(lastReadLabel);
     mainLayout->addWidget(lastReadValueLabel);
     mainLayout->addWidget(lastModLabel);
     mainLayout->addWidget(lastModValueLabel);
     mainLayout->addStretch(1);
     setLayout(mainLayout);
 }

 PermissionsTab::PermissionsTab(const QFileInfo &fileInfo, QWidget *parent)
     : QWidget(parent)
 {
     QGroupBox *permissionsGroup = new QGroupBox(tr("Permissions"));

     QCheckBox *readable = new QCheckBox(tr("Readable"));
     if (fileInfo.isReadable())
         readable->setChecked(true);

     QCheckBox *writable = new QCheckBox(tr("Writable"));
     if ( fileInfo.isWritable() )
         writable->setChecked(true);

     QCheckBox *executable = new QCheckBox(tr("Executable"));
     if ( fileInfo.isExecutable() )
         executable->setChecked(true);

     QGroupBox *ownerGroup = new QGroupBox(tr("Ownership"));

     QLabel *ownerLabel = new QLabel(tr("Owner"));
     QLabel *ownerValueLabel = new QLabel(fileInfo.owner());
     ownerValueLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);

     QLabel *groupLabel = new QLabel(tr("Group"));
     QLabel *groupValueLabel = new QLabel(fileInfo.group());
     groupValueLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);

     QVBoxLayout *permissionsLayout = new QVBoxLayout;
     permissionsLayout->addWidget(readable);
     permissionsLayout->addWidget(writable);
     permissionsLayout->addWidget(executable);
     permissionsGroup->setLayout(permissionsLayout);

     QVBoxLayout *ownerLayout = new QVBoxLayout;
     ownerLayout->addWidget(ownerLabel);
     ownerLayout->addWidget(ownerValueLabel);
     ownerLayout->addWidget(groupLabel);
     ownerLayout->addWidget(groupValueLabel);
     ownerGroup->setLayout(ownerLayout);

     QVBoxLayout *mainLayout = new QVBoxLayout;
     mainLayout->addWidget(permissionsGroup);
     mainLayout->addWidget(ownerGroup);
     mainLayout->addStretch(1);
     setLayout(mainLayout);
 }

 ApplicationsTab::ApplicationsTab(const QFileInfo &fileInfo, QWidget *parent)
     : QWidget(parent)
 {
     QLabel *topLabel = new QLabel(tr("Open with:"));

     QListWidget *applicationsListBox = new QListWidget;
     QStringList applications;

     for (int i = 1; i <= 30; ++i)
         applications.append(tr("Application %1").arg(i));
     applicationsListBox->insertItems(0, applications);

     QCheckBox *alwaysCheckBox;

     if (fileInfo.suffix().isEmpty())
         alwaysCheckBox = new QCheckBox(tr("Always use this application to "
             "open this type of file"));
     else
         alwaysCheckBox = new QCheckBox(tr("Always use this application to "
             "open files with the extension '%1'").arg(fileInfo.suffix()));

     QVBoxLayout *layout = new QVBoxLayout;
     layout->addWidget(topLabel);
     layout->addWidget(applicationsListBox);
     layout->addWidget(alwaysCheckBox);
     setLayout(layout);
 }