Qt 5.6 | Qt Widgets | Tab Dialog Example | tabdialog.cpp Example File

Qt 5.6.2 Reference Documentation

# tabdialog.cpp Example File

dialogs/tabdialog/tabdialog.cpp

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** You may use this file under the terms of the BSD license as follows:
      **
      ** "Redistribution and use in source and binary forms, with or without
      ** modification, are permitted provided that the following conditions are
      ** met:
      **   * Redistributions of source code must retain the above copyright
      **     notice, this list of conditions and the following disclaimer.
      **   * Redistributions in binary form must reproduce the above copyright
      **     notice, this list of conditions and the following disclaimer in
      **     the documentation and/or other materials provided with the
      **     distribution.
      **   * Neither the name of The Qt Company Ltd nor the names of its
      **     contributors may be used to endorse or promote products derived
      **     from this software without specific prior written permission.
      **
      **
      ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      #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);
      }