qt5base-lts/examples/widgets/dialogs/tabdialog/tabdialog.cpp

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#include <QtWidgets>

#include "tabdialog.h"

//! [0]
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"));
//! [0]

//! [1] //! [2]
    buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
//! [1] //! [3]
                                     | QDialogButtonBox::Cancel);

    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
//! [2] //! [3]

//! [4]
    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->setSizeConstraint(QLayout::SetNoConstraint);
    mainLayout->addWidget(tabWidget);
    mainLayout->addWidget(buttonBox);
    setLayout(mainLayout);
//! [4]

//! [5]
    setWindowTitle(tr("Tab Dialog"));
}
//! [5]

//! [6]
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);
}
//! [6]

//! [7]
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);
}
//! [7]

//! [8]
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);
}
//! [8]