Qt 4.8: tabdialog.cpp Example File (dialogs/tabdialog/tabdialog.cpp)

Qt Reference Documentation

# tabdialog.cpp Example File

dialogs/tabdialog/tabdialog.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** 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 Nokia Corporation and its Subsidiary(-ies) 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 <QtGui>

     #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);
     }