Qt 4.4: embeddeddialog.cpp Example File (demos/embeddeddialogs/embeddeddialog.cpp)

|  | Home · All Classes · Main Classes · Grouped Classes · Modules · Functions |

# embeddeddialog.cpp Example File
demos/embeddeddialogs/embeddeddialog.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the demonstration applications of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License versions 2.0 or 3.0 as published by the Free Software
     ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
     ** included in the packaging of this file.  Alternatively you may (at
     ** your option) use any later version of the GNU General Public
     ** License if such license has been publicly approved by Trolltech ASA
     ** (or its successors, if any) and the KDE Free Qt Foundation. In
     ** addition, as a special exception, Trolltech gives you certain
     ** additional rights. These rights are described in the Trolltech GPL
     ** Exception version 1.2, which can be found at
     ** http://www.trolltech.com/products/qt/gplexception/ and in the file
     ** GPL_EXCEPTION.txt in this package.
     **
     ** Please review the following information to ensure GNU General
     ** Public Licensing requirements will be met:
     ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
     ** you are unsure which license is appropriate for your use, please
     ** review the following information:
     ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
     ** or contact the sales department at sales@trolltech.com.
     **
     ** In addition, as a special exception, Trolltech, as the sole
     ** copyright holder for Qt Designer, grants users of the Qt/Eclipse
     ** Integration plug-in the right for the Qt/Eclipse Integration to
     ** link to functionality provided by Qt Designer and its related
     ** libraries.
     **
     ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
     ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
     ** granted herein.
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #include "embeddeddialog.h"
     #include "ui_embeddeddialog.h"

     #include <QtGui>

     EmbeddedDialog::EmbeddedDialog(QWidget *parent)
         : QDialog(parent)
     {
         ui = new Ui_embeddedDialog;
         ui->setupUi(this);
         ui->layoutDirection->setCurrentIndex(layoutDirection() != Qt::LeftToRight);

         foreach (QString styleName, QStyleFactory::keys()) {
             ui->style->addItem(styleName);
             if (style()->objectName().toLower() == styleName.toLower())
                 ui->style->setCurrentIndex(ui->style->count() - 1);
         }

         connect(ui->layoutDirection, SIGNAL(activated(int)),
                 this, SLOT(layoutDirectionChanged(int)));
         connect(ui->spacing, SIGNAL(valueChanged(int)),
                 this, SLOT(spacingChanged(int)));
         connect(ui->fontComboBox, SIGNAL(currentFontChanged(const QFont &)),
                 this, SLOT(fontChanged(const QFont &)));
         connect(ui->style, SIGNAL(activated(QString)),
                 this, SLOT(styleChanged(QString)));
     }

     EmbeddedDialog::~EmbeddedDialog()
     {
         delete ui;
     }

     void EmbeddedDialog::layoutDirectionChanged(int index)
     {
         setLayoutDirection(index == 0 ? Qt::LeftToRight : Qt::RightToLeft);
     }

     void EmbeddedDialog::spacingChanged(int spacing)
     {
         layout()->setSpacing(spacing);
         adjustSize();
     }

     void EmbeddedDialog::fontChanged(const QFont &font)
     {
         setFont(font);
     }

     static void setStyleHelper(QWidget *widget, QStyle *style)
     {
         widget->setStyle(style);
         widget->setPalette(style->standardPalette());
         foreach (QObject *child, widget->children()) {
             if (QWidget *childWidget = qobject_cast<QWidget *>(child))
                 setStyleHelper(childWidget, style);
         }
     }

     void EmbeddedDialog::styleChanged(const QString &styleName)
     {
         QStyle *style = QStyleFactory::create(styleName);
         if (style)
             setStyleHelper(this, style);
     }