Tab Dialog Example | Qt Widgets 5.13.0

Qt 5.13 | Qt Widgets | Tab Dialog Example

Qt 5.13.0 Reference Documentation

# Tab Dialog Example

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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, &QDialogButtonBox::accepted, this, &QDialog::accept);
          connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);

          QVBoxLayout *mainLayout = new QVBoxLayout;
          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);
      }