Qt:Документация 4.3.2/designer-containerextension-multipagewidget-cpp
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[править] multipagewidget.cpp Example File
designer/containerextension/multipagewidget.cpp
/**************************************************************************** ** ** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved. ** ** This file is part of the example classes of the Qt Toolkit. ** ** This file may be used under the terms of the GNU General Public ** License version 2.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of ** this file. 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 gives you certain ** additional rights. These rights are described in the Trolltech GPL ** Exception version 1.0, which can be found at ** http://www.trolltech.com/products/qt/gplexception/ and in the file ** GPL_EXCEPTION.txt in this package. ** ** 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. ** ** Trolltech reserves all rights not expressly granted herein. ** ** Trolltech ASA (c) 2007 ** ** 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 <QtGui> #include "multipagewidget.h" MultiPageWidget::MultiPageWidget(QWidget *parent) : QWidget(parent) { comboBox = new QComboBox(); comboBox->setObjectName("__qt__passive_comboBox"); stackWidget = new QStackedWidget(); connect(comboBox, SIGNAL(activated(int)), this, SLOT(setCurrentIndex(int))); layout = new QVBoxLayout(); layout->addWidget(comboBox); layout->addWidget(stackWidget); setLayout(layout); } QSize MultiPageWidget::sizeHint() const { return QSize(200, 150); } void MultiPageWidget::addPage(QWidget *page) { insertPage(count(), page); } void MultiPageWidget::removePage(int index) { QWidget *widget = stackWidget->widget(index); stackWidget->removeWidget(widget); comboBox->removeItem(index); } int MultiPageWidget::count() const { return stackWidget->count(); } int MultiPageWidget::currentIndex() const { return stackWidget->currentIndex(); } void MultiPageWidget::insertPage(int index, QWidget *page) { page->setParent(stackWidget); stackWidget->insertWidget(index, page); QString title = page->windowTitle(); if (title.isEmpty()) { title = tr("Page %1").arg(comboBox->count() + 1); page->setWindowTitle(title); } comboBox->insertItem(index, title); } void MultiPageWidget::setCurrentIndex(int index) { if (index != currentIndex()) { stackWidget->setCurrentIndex(index); comboBox->setCurrentIndex(index); emit currentIndexChanged(index); } } QWidget* MultiPageWidget::widget(int index) { return stackWidget->widget(index); } QString MultiPageWidget::pageTitle() const { return stackWidget->currentWidget()->windowTitle(); } void MultiPageWidget::setPageTitle(QString const &newTitle) { comboBox->setItemText(currentIndex(), newTitle); stackWidget->currentWidget()->setWindowTitle(newTitle); emit pageTitleChanged(newTitle); }
Copyright © 2007 Trolltech | Trademarks | Qt 4.3.2
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