window.cpp Example File

 /****************************************************************************
 **
 ** 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 <QtGui>

 #include "window.h"
 #include "colorlisteditor.h"

 Window::Window()
 {
     QItemEditorFactory *factory = new QItemEditorFactory;

     QItemEditorCreatorBase *colorListCreator =
         new QStandardItemEditorCreator<ColorListEditor>();

     factory->registerEditor(QVariant::Color, colorListCreator);

     QItemEditorFactory::setDefaultFactory(factory);

     createGUI();
 }

 void Window::createGUI()
 {
     QList<QPair<QString, QColor> > list;
     list << QPair<QString, QColor>(tr("Alice"), QColor("aliceblue")) <<
             QPair<QString, QColor>(tr("Neptun"), QColor("aquamarine")) <<
             QPair<QString, QColor>(tr("Ferdinand"), QColor("springgreen"));

     QTableWidget *table = new QTableWidget(3, 2);
     table->setHorizontalHeaderLabels(QStringList() << tr("Name")
                                                    << tr("Hair Color"));
     table->verticalHeader()->setVisible(false);
     table->resize(150, 50);

     for (int i = 0; i < 3; ++i) {
         QPair<QString, QColor> pair = list.at(i);

         QTableWidgetItem *nameItem = new QTableWidgetItem(pair.first);
         QTableWidgetItem *colorItem = new QTableWidgetItem;
         colorItem->setData(Qt::DisplayRole, pair.second);

         table->setItem(i, 0, nameItem);
         table->setItem(i, 1, colorItem);
     }
     table->resizeColumnToContents(0);
     table->horizontalHeader()->setStretchLastSection(true);

     QGridLayout *layout = new QGridLayout;
     layout->addWidget(table, 0, 0);

     setLayout(layout);

     setWindowTitle(tr("Color Editor Factory"));
 }